阅读说明：本技术 一种基于物联网的充电桩紧急保护电路装置及其方法 (Charging pile emergency protection circuit device based on Internet of things and charging pile emergency protection method based on Internet of things ) 是由 黄莹 于 2021-08-05 设计创作，主要内容包括：本申请涉及一种基于物联网的充电桩紧急保护电路装置及其方法,属于物联网基础设施领域,包括充电壳体,所述充电壳体的正面均交接有密封门,所述充电壳体两侧的底部均开设有散热孔,所述充电壳体内壁底部固定连接有电器安装架。感知控制单元会在空气开关跳闸和烟气的同时感应下可以控制密封机构对散热孔进行密封,阻隔空气与充电壳体内的流通,从而阻断氧气的供应,阻碍电路的继续扩大燃烧；在遇到火灾险情时,通过WIFI模块将信息发送至人员手机端,在日常使用时人员靠近本充电桩时,蓝牙模块会发送基本信息至人员手机,通过以上操作实现充电桩与人员手机的互联,实现物联网功能。(The utility model relates to a fill electric pile emergency protection circuit arrangement and method based on thing networking belongs to thing networking infrastructure field, including the casing that charges, the front of the casing that charges all has handed over the sealing door, the louvre has all been seted up to the bottom of the casing both sides that charge, the casing inner wall bottom fixedly connected with electrical apparatus mounting bracket charges. The sensing control unit can control the sealing mechanism to seal the heat dissipation holes under the simultaneous induction of air switch tripping and smoke gas, and the circulation of air and the charging shell is blocked, so that the supply of oxygen is blocked, and the continuous expansion of combustion of a circuit is hindered; when meetting conflagration dangerous situation, through WIFI module with information transmission to personnel's cell-phone end, when personnel were close to this electric pile that fills when daily use, bluetooth module can send basic information to personnel's cell-phone, realizes filling the interconnection of electric pile and personnel's cell-phone through above operation, realizes the thing networking function.)

1. The charging pile emergency protection circuit device based on the Internet of things comprises a charging shell (1), wherein sealing doors (101) are connected to the front side of the charging shell (1), heat dissipation holes (102) are formed in the bottoms of the two sides of the charging shell (1), an electric appliance mounting frame (103) is fixedly connected to the bottom of the inner wall of the charging shell (1), a power supply (104) is fixedly mounted at the top of the electric appliance mounting frame (103), the side surface of the power supply (104) extends to the outside of the charging shell (1) through a charging wire and is connected with a charging head (105), the charging head (105) is connected to the surface of the front sealing door (101) in a hanging mode, an air switch (106) is fixedly connected to the front side of the electric appliance mounting frame (103), the charging pile emergency protection circuit device is characterized in that a WIFI module and a Bluetooth module are mounted on the back side of the electric appliance mounting frame (103), sealing mechanisms (2) are connected to the two sides of the inner wall of the charging shell (1), sealing mechanism (2) are used for sealing up louvre (102), the bottom of casing (1) that charges is connected with extinguishing device (3), extinguishing device (3) are triggered the start-up and are sprayed fire extinguishing agent in casing (1) charges at sealing mechanism (2) to louvre (102) sealing process, still be provided with perception control unit (4) on the inner wall of casing (1) charges, perception control unit (4) are used for discerning jointly sealing mechanism (2) start-up to air switch (106) tripping operation state and flue gas.

2. The charging pile emergency protection circuit device based on the Internet of things is according to claim 1, wherein the sealing mechanism (2) comprises a sliding rail (201), the sliding rail (201) is fixedly connected to the side surface of the inner wall of the charging shell (1) and located on two sides of the heat dissipation hole (102), a sealing plate (202) is slidably connected to the inner wall of the sliding rail (201), a threaded sleeve (203) is fixedly connected to the side surface of the sealing plate (202), a threaded rod (204) is connected to the inner thread surface of the threaded sleeve (203), a motor (205) is connected to the top end of the threaded rod (204), and the motor (205) is fixedly connected to the inner side wall of the charging shell (1).

3. The Internet of things-based charging post emergency protection circuit device of claim 2, it is characterized in that the fire extinguishing device (3) comprises a fire extinguishing seat (301), the fire extinguishing seat (301) is fixedly connected with the bottom of the charging shell (1), the bottom of the inner wall of the fire extinguishing seat (301) is connected with two groups of fire extinguishers (302), the number of the fire extinguishers (302) in the same group is two, the top of the fire extinguisher (302) is fixedly communicated with a nozzle (303), the top of the nozzle (303) is inserted with a pressing control valve (304), a hose (305) is fixedly communicated with the side surface of the nozzle (303), the top end of the hose (305) sequentially penetrates through the fire extinguishing seat (301) and the charging shell (1) and is fixedly communicated with the interior of the charging shell (1), and a linkage trigger mechanism (5) is communicated between the sealing plate (202) and the pressure control valve (304).

4. The charging pile emergency protection circuit device based on the internet of things is characterized in that the linkage trigger mechanism (5) comprises an L-shaped pressing plate (501), a linkage rod (502) and a pressing rod (503), the pressing rod (503) is located on a pressing control valve (304), a first return spring (504) is sleeved on the surface of the pressing rod (503), two ends of the first return spring (504) are respectively and fixedly connected to the top of the inner wall of the fire extinguishing base (301) and the bottom end of the pressing rod (503), the top end of the pressing rod (503) sequentially penetrates through the fire extinguishing base (301) and the charging shell (1) and extends to the interior of the charging shell (1), the L-shaped pressing plate (501) is located above the pressing rod (503), the L-shaped pressing plate (501) is vertically inserted into the main bodies of the charging shell (1) and the fire extinguishing base (301) and extends to the interior of the fire extinguishing base (301), be connected with between the bottom of L shape pressure board (501) and a set of fire extinguisher (302) of homonymy and rock device (7) in advance, be connected with second reset spring (505) between L shape pressure board (501) inside wall and the charging shell (1) inner wall bottom jointly, gangbar (502) are located the top and the upper and lower direction sliding connection of L shape pressure board (501) on charging shell (1) inside wall, the top of gangbar (502) is located on the gliding removal orbit from top to bottom of closing plate (202).

5. The charging pile emergency protection circuit device based on the internet of things of claim 4, wherein an anti-misoperation device (6) is arranged on the side surface of the L-shaped pressing plate (501), the anti-misoperation device (6) comprises two supporting slide bars (601) and a first wedge-shaped pushing block (602), the two supporting slide bars (601) are fixedly connected to the side surface of the inner wall of the charging shell (1) and are jointly and slidably connected to a second wedge-shaped pushing block (603) on the surface, a third return spring (605) is sleeved on the surface of the supporting slide bars (601), two ends of the third return spring (605) are respectively and fixedly connected to the side surface of the inner wall of the charging shell (1) and the second wedge-shaped pushing block (603), a limiting block (604) is fixedly connected to the side surface of the second wedge-shaped pushing block (603), and the limiting block (604) is jointly and slidably connected to the surfaces of the two supporting slide bars (601), the limiting block (604) is clamped on the end face of the L-shaped pressing plate (501), the first wedge-shaped pushing block (602) is fixedly connected to the bottom end of the side face of the linkage rod (502), and the inclined face of the first wedge-shaped pushing block is in contact with the inclined face of the second wedge-shaped pushing block (603).

6. The charging pile emergency protection circuit device based on the Internet of things is characterized in that the device (7) shakes in advance comprises a poking tooth (701) and an installation sliding plate (702), the installation sliding plate (702) is connected to the bottom of the inner wall of the fire extinguishing seat (301) in a sliding mode, the top of the installation sliding plate (702) is fixedly connected with the bottom of a group of fire extinguishers (302) on the same side, a fourth reset spring (703) is connected to the side face of the installation sliding plate (702) and the side face of the inner wall of the fire extinguishing seat (301) together, a linkage tooth (704) is fixedly connected to the side face of the installation sliding plate (702), the poking tooth (701) is fixedly connected to the bottom of the side face of the L-shaped pressing plate (501), and the poking tooth (701) is attached to the tooth of the linkage tooth (704).

7. The charging pile emergency protection circuit device based on the internet of things is characterized in that the sensing control unit (4) comprises a pressure sensor (401) and a smoke sensor (402), the pressure sensor (401) is fixedly connected below a toggle piece of an air switch (106), the smoke sensor (402) is fixedly connected to the top of the inner wall of the charging shell, the smoke sensor (402) and the pressure sensor (401) are jointly electrically connected with a main control board (403), and the main control board (403) is fixedly connected to the side surface of the inner wall of the charging shell (1) and is electrically connected with a motor (205).

8. The charging pile emergency protection circuit device based on the internet of things of claim 2, wherein a blocking mechanism (8) for blocking a gap is connected between the sealing plate (202) and the inner side edge of the sealing door (101), the blocking mechanism (8) comprises a frame-shaped moving plate (801) and a pushing plate (802), the frame-shaped moving plate (801) is sealed on the inner wall of the charging shell (1) in a sliding manner at a position close to the edge of the through opening, a sealing ring (803) is fixedly connected to one side of the frame-shaped moving plate (801) close to the sealing door (101), the inner side of the frame-shaped moving plate (801) is fixedly connected with the inner wall of the charging shell (1) through a gas spring (805), two symmetrically-arranged follow-up plates (804) are fixedly connected to the inner ring surface of the frame-shaped moving plate (801), and a pushing inclined plane is formed at the top end of the pushing plate (802), the pushing plate (802) is fixedly connected to the side surface of the sealing plate (202).

9. The charging pile emergency protection circuit device based on the internet of things is characterized in that cooling mechanisms (9) are arranged above two sides of the charging shell (1), each cooling mechanism (9) comprises a water tank (901), the water tanks (901) are fixedly mounted above the side faces of the charging shell (1), the bottom ends of the water tanks (901) are fixedly communicated with a spray head (902), the bottom of the inner wall of each water tank (901) is slidably connected with a sealing strip (903) for sealing the spray head (902), the side faces of the sealing strips (903) are fixedly connected with a linkage plate (904), the end portions of the linkage plate (904) sequentially penetrate through the water tanks (901) and the charging shell (1) and extend to the interior of the charging shell (1), and then are fixedly connected with a bevel block (905), each bevel block (905) comprises an upper bevel and a lower bevel, a first linkage shaft (906) is arranged on the lower bevel in a contacting manner, the side surface of the first linkage shaft (906) is fixedly connected with a pulling plate (907), the bottom of the pulling plate (907) is fixedly connected to the top of the sealing plate (202), and the top of the pulling plate (907) is fixedly connected with a second linkage shaft (908) matched with the upper inclined surface of the inclined surface block (905).

10. The method for protecting the charging pile emergency protection circuit is applicable to the charging pile emergency protection circuit device based on the Internet of things and is characterized by comprising the following steps of:

step one, sensing circuit faults: when a circuit in the charging pile has a combustion fault, the air switch (106) can be tripped immediately, the sensing control unit (4) senses the tripping firstly, then starts the sealing mechanism immediately after receiving smoke information, and sends fault information to a mobile phone end of a person through the WIFI module;

step two, sealing and extinguishing: the sealing mechanism (2) is started to seal the heat dissipation holes (102) and prevent oxygen from entering, meanwhile, the sealing mechanism (2) is started to trigger the fire extinguishing mechanism, the fire extinguishing mechanism sprays fire extinguishing agents into the charging shell (1) to extinguish the flame of the circuit, and meanwhile, the cooling mechanism (9) is triggered to cool the charging shell (1), so that the temperature in the charging shell (1) can be quickly reduced, and the damage to the circuit is reduced;

step three, cleaning treatment: and opening the sealing door (101) to clean and maintain the internal electric appliance.

Technical Field

The invention relates to a charging pile emergency protection circuit device based on the Internet of things and a charging pile emergency protection method based on the Internet of things, and belongs to the field of infrastructure of the Internet of things.

Background

The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades.

Among the prior art, fill electric pile and exist as independent equipment, when the use on weekdays, personnel can't learn the operating parameter who fills electric pile, perhaps meet and fill electric pile accident back, personnel can't know the particular case that fills electric pile the very first time.

In addition among the prior art, when charging, when filling the electric pile circuit and go wrong, promptly break circuit to the circuit, but break circuit and only can cut off power, if the circuit catches fire, will unable to continue the protection to the circuit, cause the circuit to enlarge the burning, serious can burn whole electric pile and the battery charging outfit of filling, the security performance is lower. Therefore, the charging pile emergency protection circuit device and the charging pile emergency protection method based on the Internet of things are improved.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the charging pile belongs to an independent device; when charging, when filling the electric pile circuit and going wrong, carry out urgent broken circuit to the circuit, but the circuit break can only cut off power supply, if the circuit catches fire when, will unable to continue the protection to the circuit, cause the circuit to enlarge the burning, serious can burn out whole electric pile and battery charging outfit that fills, the security performance is lower.

(II) technical scheme

In order to achieve the above purpose, the invention provides an emergency protection circuit device for a charging pile based on the internet of things, which comprises a charging shell, wherein a sealing door is connected to the front surface of the charging shell, heat dissipation holes are formed in the bottoms of the two sides of the charging shell, an electrical appliance mounting rack is fixedly connected to the bottom of the inner wall of the charging shell, a power supply is fixedly installed at the top of the electrical appliance mounting rack, the side surface of the power supply extends to the outside of the charging shell through a charging wire and is connected with a charging head, the charging head is hung on the surface of the sealing door on the front surface, an air switch is fixedly connected to the front surface of the electrical appliance mounting rack, a WIFI module and a Bluetooth module are installed on the back surface of the electrical appliance mounting rack, sealing mechanisms are connected to the two sides of the inner wall of the charging shell and are used for sealing the heat dissipation holes, and a fire extinguishing device is connected to the bottom of the charging shell, the fire extinguishing device is triggered to start to spray fire extinguishing agent into the charging shell in the process that the sealing mechanism seals the heat dissipation holes, the inner wall of the charging shell is also provided with a sensing control unit, and the sensing control unit is used for identifying the tripping state of the air switch and the smoke together to control the starting of the sealing mechanism; when the charging pile shell is in failure, if the circuit is broken, the air switch can be tripped immediately, tripping information of the air switch can be sensed by the sensing control unit, if the circuit is broken, smoke can be generated, the sensing control unit can receive signals of the smoke, the sealing mechanism can be controlled to seal heat dissipation holes under the condition of simultaneous sensing of the tripping of the air switch and the smoke, and the circulation of air and the charging shell is blocked, thereby block the supply of oxygen, hinder continuation expansion burning of circuit to, sealing mechanism can trigger extinguishing device at sealed in-process, and extinguishing device can spray extinguishing agent to the inside of charging the casing, and put out the naked light, avoids the continuation burning of fire, thereby can carry out good protection to the circuit, avoids continuing to enlarge the destruction to the circuit, is favorable to reducing the damage to circuit and electrical apparatus.

The sealing mechanism comprises a sliding rail, the sliding rail is fixedly connected to the side surface of the inner wall of the charging shell and located on two sides of the heat dissipation hole, a sealing plate is connected to the inner wall of the sliding rail in a sliding mode, a threaded sleeve is fixedly connected to the side surface of the sealing plate, a threaded rod is connected to the inner thread surface of the threaded sleeve in a threaded mode, the top end of the threaded rod is connected with a motor, and the motor is fixedly connected to the inner side wall of the charging shell; the during operation, when perception control unit gives the motor signals, the control motor rotates, and the motor drives the threaded rod and rotates, and the external screw thread of threaded rod can order about the thread bush and remove, and the thread bush drives the closing plate downstream in step, and the closing plate seals the louvre of below, with the inside isolation of air and the casing that charges, the continuation supply of separation oxygen, can eliminate because of the anaerobic after the circuit naked light consumes oxygen, is favorable to hindering the continuation burning of fire.

The fire extinguishing device comprises a fire extinguishing seat, the fire extinguishing seat is fixedly connected to the bottom of a charging shell, two fire extinguishers are connected to the bottom of the inner wall of the fire extinguishing seat, the number of the fire extinguishers in the same group is two, the top of each fire extinguisher is fixedly communicated with a nozzle, a pressure control valve is inserted into the top of each nozzle, a hose is fixedly communicated with the side of each nozzle, the top end of each hose sequentially penetrates through the fire extinguishing seat and the charging shell and is fixedly communicated with the interior of the charging shell, and a linkage trigger mechanism is communicated between a sealing plate and the pressure control valve; the during operation, the in-process that moves down through the closing plate presses down through the pressure control valve of linkage trigger mechanism to the fire extinguisher, triggers the fire extinguisher, and the fire extinguisher sprays the fire extinguishing agent to the inside of charging the casing through nozzle and hose to connect the fire extinguishing agent to spray to electrical apparatus and circuit surface, put out the naked light, and the confession absolutely of oxygen in addition makes the naked light can be put out fast, reduces the loss that the circuit catches fire and brings.

Wherein, the linkage trigger mechanism comprises an L-shaped pressing plate, a linkage rod and a pressing rod, the pressing rod is positioned on the pressing control valve, a first reset spring is sleeved on the surface of the pressing rod, two ends of the first reset spring are respectively and fixedly connected with the top of the inner wall of the fire extinguishing seat and the bottom of the pressing rod, the top end of the pressing rod sequentially penetrates through the fire extinguishing seat and the charging shell and extends to the inside of the charging shell, the L-shaped pressing plate is positioned above the pressing rod, the L-shaped pressing plate is vertically inserted into the main bodies of the charging shell and the fire extinguishing seat and extends to the inside of the fire extinguishing seat, an advance shaking device is connected between the bottom end of the L-shaped pressing plate and a group of fire extinguishers on the same side, a second reset spring is commonly connected between the inner side wall of the L-shaped pressing plate and the bottom of the inner wall of the charging shell, the linkage rod is positioned above the L-shaped pressing plate and is connected on the inner side wall of the charging shell in a vertical sliding manner, the top end of the linkage rod is positioned on a moving track of the bottom end of the sealing plate sliding up and down; the during operation, the in-process of closing plate downstream can promote the gangbar, the gangbar can promote L shape and press the pressure board, L shape is according to the pressure board downstream when extrudeing second reset spring, remove a segment earlier and then extrude and press the pressure lever, press the pressure lever and promote the pressure control valve when lengthening first reset spring, make the fire extinguisher opened, the effect of automatic trigger extinguishing device has been realized, make the effect of putting out a fire start immediately, spray extinguishing agent, be favorable to putting out a fire fast, reduce the damage degree of circuit fire to circuit and electrical apparatus, the security performance is improved.

The anti-misoperation device is arranged on the side face of the L-shaped pressing plate and comprises two supporting slide rods and a first wedge-shaped pushing block, the two supporting slide rods are fixedly connected to the side face of the inner wall of the charging shell, the surface of the supporting slide rods is jointly and slidably connected with a second wedge-shaped pushing block, a third reset spring is sleeved on the surface of each supporting slide rod, two ends of each third reset spring are fixedly connected to the side face of the inner wall of the charging shell and the second wedge-shaped pushing block respectively, a limiting block is fixedly connected to the side face of the second wedge-shaped pushing block, the limiting blocks are jointly and slidably connected to the surfaces of the two supporting slide rods, the limiting blocks are clamped on the end face of the L-shaped pressing plate, the first wedge-shaped pushing block is fixedly connected to the bottom end of the side face of the linkage rod, and the inclined face of the first wedge-shaped pushing block is in contact with the inclined face of the second wedge-shaped pushing block; when the fire extinguisher works, in the process of maintaining the charging pile, the sealing door is opened, a worker can touch the L-shaped pressing plate in the maintenance process to cause misoperation and cause the fire extinguisher to be started without accident, and waste is caused, the technical scheme can solve the problem that the end part of the L-shaped pressing plate can be limited by the limiting block, the worker can not touch the L-shaped pressing plate even if the worker touches the L-shaped pressing plate in operation, so that the fire extinguisher is prevented from being started without accident, when the fire is required to be extinguished, the linkage rod drives the first wedge block to push the second wedge block to move to one side in the process of being pushed downwards by the sealing plate, so that the second wedge block drives the limiting plate to separate from the limiting of the L-shaped pressing plate, the linkage rod pushes the L-shaped pressing plate which separates from the limiting downwards when continuing to move downwards to realize triggering, thereby ensuring the stability of the fire extinguisher in maintenance, can be triggered in time when extinguishing fire.

The device comprises an L-shaped pressing plate, an installation sliding plate, a mounting sliding plate, a linkage gear, a shifting gear and a pushing gear, wherein the installation sliding plate is connected to the bottom of the inner wall of the fire extinguishing seat in a sliding mode; when the fire extinguisher works, before the fire extinguisher is used, if the fire extinguisher does not shake, fire extinguishing agent sprayed by the fire extinguisher is insufficient, and the fire extinguishing effect is influenced, the technical scheme can solve the problems, and the specific working mode is as follows, when the L-shaped pressing plate does not contact with the pressing rod firstly in the downward movement process, in the process, the L-shaped pressing plate can drive the poking teeth to move on the teeth of the linkage teeth, so that the linkage teeth vibrate, the linkage teeth can drive the installation sliding plate to vibrate synchronously, under the pulling of the fourth reset spring, the continuous vibration of the installation sliding plate can be realized within the poking range all the time, the installation sliding plate can synchronously drive the fire extinguisher to vibrate, thereby realizing the shaking before the triggering premise, in the shaking process, the bottom end of the pressing rod can always fall onto the top surface of the pressing control valve, in the process of the L-shaped pressing plate continuing to move downwards, the pressing rod can be extruded, the press rod pushes the press control valve when the second return spring is lengthened, so that the fire extinguisher is opened, the effect of the automatic trigger fire extinguishing device is realized, the fire extinguishing effect can immediately respond, and the fire extinguisher can be rocked in advance, so that the fire extinguishing agent can be sufficiently sprayed, the quick extinguishing of the circuit fire is facilitated, and the good fire extinguishing performance is maintained.

The sensing control unit comprises a pressure sensor and a smoke sensor, the pressure sensor is fixedly connected below a stirring piece of the air switch, the smoke sensor is fixedly connected to the top of the inner wall of the charging shell, the smoke sensor and the pressure sensor are jointly electrically connected with a main control board, and the main control board is fixedly connected to the side face of the inner wall of the charging shell and is electrically connected with the motor; during operation, the pressure sensor receives the air switch tripping back pressure of the poking piece and then transmits the tripping back information of the air switch to the information identification unit on the main control board, the smoke sensor senses the information and transmits the information to the information identification unit on the main control board when receiving smoke generated by circuit combustion, and the information identification unit receives the smoke signal and the tripping back information of the air switch and then controls the motor to start, so that the sealing mechanism is controlled to start.

The sealing device comprises a sealing plate, a sealing door, a sealing ring, a sealing plate and a sealing mechanism, wherein the sealing plate and the edge of the inner side of the sealing door are connected with each other through a connecting hole; the during operation, in operation, because there is the gap between sealing door and the casing that charges, cause the inside of outside a small amount of air admission charging casing, it is unsatisfactory to cause isolation oxygen, through setting up shutoff mechanism, at the in-process of closing plate downstream, the closing plate can drive the inclined plane at slurcam extrusion follow-up plate top, make the follow-up plate outwards promoted, the follow-up plate drives the removal of frame movable plate, the frame movable plate drives the sealing washer and shelters from sealedly to the gap, thereby realize strengthening sealedly, make the air and the casing that charges catch fire by quick isolation when emergence circuit catches fire, be favorable to the thorough isolation to outside air, thereby be favorable to hindering the fire of circuit to continue to scatter.

The cooling mechanism comprises a water tank, the water tank is fixedly mounted above the side face of the charging shell, a spray nozzle is fixedly communicated with the bottom end of the water tank, a sealing strip for sealing the spray nozzle is connected to the bottom of the inner wall of the water tank in a sliding mode, a linkage plate is fixedly connected to the side face of the sealing strip, the end portion of the linkage plate sequentially penetrates through the water tank and the charging shell and extends into the charging shell, a bevel block is fixedly connected to the inside of the charging shell, the bevel block comprises an upper bevel and a lower bevel, a first linkage shaft is arranged on the lower bevel in a contact mode, a pulling plate is fixedly connected to the side face of the first linkage shaft, the bottom of the pulling plate is fixedly connected to the top of the sealing plate, and a second linkage shaft matched with the upper bevel of the bevel block is fixedly connected to the top of the pulling plate; the during operation, inside burning that still lasts the certain time after the casing that charges is sealed, the heat can't be by fast dispersion, can cause the consume to other not burning circuits, through setting up cooling mechanism, at sealed in-process, the closing plate can drive and draw the pulling plate downstream, draw the pulling plate to drive the second linkage axle downstream until promoting the top inclined plane of inclined plane piece, make the inclined plane piece drive linkage plate to the inside removal of casing 1 that charges, the linkage plate drives the sealing strip and breaks away from the sealed to the shower nozzle, thereby water in the water tank can flow to the lateral surface of casing that charges through the shower nozzle, make the casing that charges can be cooled down, thereby indirect quick heat absorption is carried out to inside temperature and realize rapid cooling, be favorable to reducing the inside higher temperature to the consume of circuit.

A method of charging a pile for emergency protection of a circuit, the method of protecting the circuit comprising the steps of:

step one, sensing circuit faults: when a circuit in the charging pile has a combustion fault, the air switch can be tripped immediately, the sensing control unit senses the tripping firstly, then the sealing mechanism is started immediately after smoke information is received, and fault information is sent to a mobile phone end of a person through the WIFI module;

step two, sealing and extinguishing: the sealing mechanism is started to seal the heat dissipation holes and prevent oxygen from entering, meanwhile, the starting of the sealing mechanism can trigger the fire extinguishing mechanism, the fire extinguishing mechanism sprays fire extinguishing agents into the charging shell to extinguish flames of the circuit, and meanwhile, the cooling mechanism is triggered to cool the charging shell, so that the temperature in the charging shell can be quickly reduced, and damage to the circuit is reduced;

step three, cleaning treatment: and opening the sealing door, and cleaning and maintaining the internal electric appliance.

(III) advantageous effects

1. The trip information of the air switch can be sensed by the sensing control unit, if combustion is generated at the same time, smoke can be generated, the sensing control unit can receive signals of the smoke, the sealing mechanism can be controlled to seal heat dissipation holes under the simultaneous sensing of the trip information and the smoke of the air switch, the circulation of air and the inside of the charging shell is blocked, the supply of oxygen is blocked, the continuous expansion combustion of a circuit is blocked, the sealing mechanism can trigger a fire extinguishing device in the sealing process, the fire extinguishing device can spray a fire extinguishing agent to the inside of the charging shell and extinguish open fire, the continuous combustion of fire is avoided, the circuit can be well protected, the damage to the circuit is avoided being continuously expanded, the reduction of damage to the circuit and electric appliances is facilitated, in addition, when a fire hazard situation occurs, the information is sent to a mobile phone end of a person through the WIFI module, when a person approaches the charging pile in daily use, the Bluetooth module can send basic information to a mobile phone of the person, interconnection between the charging pile and the mobile phone of the person is achieved through the operation, and the function of the Internet of things is achieved;

2. the end part of the L-shaped pressing plate can be limited by the limiting block, and a worker can not touch the L-shaped pressing plate even touching the L-shaped pressing plate when operating, so that the fire extinguisher is prevented from being started without accident;

3. when the L-shaped pressing plate moves downwards, the L-shaped pressing plate is not contacted with the pressing rod firstly, in the process, the L-shaped pressing plate can drive the poking teeth to move on the teeth of the linkage teeth, so that the linkage teeth vibrate, the linkage teeth can drive the installation sliding plate to vibrate synchronously, under the pulling of the fourth reset spring, the continuous vibration of the installation sliding plate can be realized all the time within the poking range, the installation sliding plate can synchronously drive the fire extinguisher to vibrate, the shaking before the triggering premise is realized, and the fire extinguisher is shaken in advance, so that the fire extinguishing agent can be fully sprayed, the circuit fire can be extinguished quickly, and the good fire extinguishing performance is maintained;

4. by arranging the plugging mechanism, in the process that the sealing plate moves downwards, the sealing plate can drive the pushing plate to extrude an inclined plane at the top of the follow-up plate, so that the follow-up plate is pushed outwards, the follow-up plate drives the frame-shaped movable plate to move, and the frame-shaped movable plate drives the sealing ring to shield and seal the gap, thereby realizing enhanced sealing, quickly isolating air from the charging shell when a circuit is ignited, being beneficial to thoroughly isolating external air and further being beneficial to preventing the fire of the circuit from continuing to spread;

5. through setting up cooling mechanism, at sealed in-process, the closing plate can drive and draw the board downstream, draw and draw the board and drive the second linkage axis downstream preparation and promote the top inclined plane of inclined plane piece, make the inclined plane piece drive linkage board and move to the inboard, the linkage board drives the sealing strip and breaks away from the sealed to the shower nozzle, thereby water in the water tank can flow to charging shell's lateral surface through the shower nozzle on, make charging shell can be cooled down, thereby indirectly carry out quick heat absorption and realize rapid cooling to inside temperature, be favorable to reducing the consume of inside higher temperature to the circuit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a flowchart of a method of emergency protection of a charging pile according to the present application;

fig. 2 is a schematic diagram of a first general structure of an emergency protection circuit device for an internet-of-things-based charging pile provided in the present application;

fig. 3 is a second general structural diagram of an internet-of-things-based charging pile emergency protection circuit apparatus provided in the present application;

fig. 4 is a front view of the charging pile emergency protection circuit device based on the internet of things (with a sealing door hidden and a fire extinguishing seat cut away);

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

fig. 6 is a third general structural schematic diagram (with a sealing door hidden and a fire extinguishing seat cut away) of the charging pile emergency protection circuit device based on the internet of things provided by the application;

FIG. 7 is a partial enlarged view of portion B of FIG. 6;

FIG. 8 is an enlarged view of a portion C of FIG. 7;

FIG. 9 is an enlarged view of a portion D of FIG. 6;

fig. 10 is a fourth general structural schematic diagram (with a sealing door hidden and a fire extinguishing seat cut away) of the charging pile emergency protection circuit device based on the internet of things provided by the application;

fig. 11 is a fifth general structural schematic diagram (rear view, cut away the back of the charging housing) of the charging pile emergency protection circuit device based on the internet of things provided in the present application;

fig. 12 is a front view of a linkage trigger mechanism in the internet of things-based charging pile emergency protection circuit apparatus provided in the present application;

fig. 13 is a schematic structural view of connection conditions of a water tank, a spray head, a sealing strip, a linkage plate and a bevel block in the charging pile emergency protection circuit device based on the internet of things;

fig. 14 is a schematic structural view illustrating a connection condition of a fire extinguisher, a nozzle, a pressure control valve, a mounting sliding plate, a linkage tooth and a fourth return spring in the charging pile emergency protection circuit device based on the internet of things;

fig. 15 is a schematic view of the connection condition structure of the sealing plate, the thread bush and the pushing plate in the charging pile emergency protection circuit device based on the internet of things.

1. A charging housing; 101. a sealing door; 102. heat dissipation holes; 103. an appliance mounting bracket; 104. a power source; 105. a charging head; 106. an air switch; 2. a sealing mechanism; 201. a slide rail; 202. a sealing plate; 203. A threaded sleeve; 204. a threaded rod; 205. a motor; 3. a fire extinguishing device; 301. a fire extinguishing seat; 302. a fire extinguisher; 303. a nozzle; 304. pressing a pressure control valve; 305. a hose; 4. a sensing control unit; 401. a pressure sensor; 402. a smoke sensor; 403. a main control board; 5. a linkage trigger mechanism; 501. an L-shaped pressing plate; 502. a linkage rod; 503. a pressing lever; 504. a first return spring; 505. a second return spring; 6. An anti-misoperation device; 601. supporting the sliding rod; 602. a first wedge-shaped pushing block; 603. a second wedge-shaped pushing block; 604. a limiting block; 605. a third return spring; 7. shaking the device in advance; 701. a dial tooth; 702. Mounting a sliding plate; 703. a fourth return spring; 704. a linkage tooth; 8. a plugging mechanism; 801. a frame-shaped moving plate; 802. a push plate; 803. a seal ring; 804. a follower plate; 805. a gas spring; 9. a cooling mechanism; 901. a water tank; 902. a spray head; 903. a sealing strip; 904. a linkage plate; 905. a bevel block; 906. a first linkage shaft; 907. a pulling plate; 908. a second linkage shaft.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15, the embodiment provides an emergency protection circuit device for a charging pile based on the internet of things, which includes a charging housing 1, a sealing door 101 is connected to the front of the charging housing 1, heat dissipation holes 102 are formed in the bottoms of the two sides of the charging housing 1, an electrical appliance mounting frame 103 is fixedly connected to the bottom of the inner wall of the charging housing 1, a power supply 104 is fixedly mounted on the top of the electrical appliance mounting frame 103, the side surface of the power supply 104 extends to the outside of the charging housing 1 through a charging wire and is connected with a charging head 105, the charging head 105 is hung on the surface of the sealing door 101 on the front, an air switch 106 is fixedly connected to the front of the electrical appliance mounting frame 103, a WIFI module and a bluetooth module are mounted on the back of the electrical appliance mounting frame 103, and when in use, the emergency protection circuit device is connected to the charging pile through a wireless network, and the personnel mobile phone is matched with the Bluetooth module, particularly when in use, when a fire disaster dangerous situation occurs, the information is sent to the personnel mobile phone end through the WIFI module, when people get close to the charging pile in daily use, the Bluetooth module can send basic information to the mobile phone of the people, the charging pile and the mobile phone of a person are interconnected through the operation, the function of the internet of things is realized, two sides of the inner wall of the charging shell 1 are connected with sealing mechanisms 2, the sealing mechanisms 2 are used for sealing heat dissipation holes 102, the bottom of the charging shell 1 is connected with a fire extinguishing device 3, the fire extinguishing device 3 is triggered to start to spray fire extinguishing agent into the charging shell 1 in the process that the sealing mechanisms 2 seal the heat dissipation holes 102, the inner wall of the charging shell 1 is also provided with a perception control unit 4, and the perception control unit 4 is used for jointly identifying the tripping state of an air switch 106 and smoke gas and controlling the sealing mechanisms 2 to start; when the charging pile shell is in failure, if the circuit is only broken, the air switch 106 can be tripped immediately, tripping information of the air switch 106 can be sensed by the sensing control unit 4, if the circuit is simultaneously combusted, smoke can be generated, the sensing control unit 4 can receive a signal of the smoke, and the sealing mechanism 2 can be controlled to seal the heat dissipation holes 102 under the simultaneous sensing of the tripping of the air switch 106 and the smoke, the circulation in separation air and the casing 1 that charges to block the supply of oxygen, hinder the continuation of circuit and enlarge the burning, and, sealing mechanism 2 can trigger extinguishing device 3 at sealed in-process, and extinguishing device 3 can spray the fire extinguishing agent to the inside of the casing 1 that charges, and put out the naked light, avoids the continuation burning of fire, thereby can carry out good protection to the circuit, avoid continuing to enlarge the destruction to the circuit, be favorable to reducing the damage to circuit and electrical apparatus.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, 6, 7, 8, 9, 10, 11, 12, 13 and 15, as a preferred embodiment, the sealing mechanism 2 includes a sliding rail 201, the sliding rail 201 is fixedly connected to a side surface of the inner wall of the charging case 1 and located at two sides of the heat dissipation hole 102, a sealing plate 202 is slidably connected to the inner wall of the sliding rail 201, a threaded sleeve 203 is fixedly connected to a side surface of the sealing plate 202, a threaded rod 204 is threadedly connected to an inner threaded surface of the threaded sleeve 203, a motor 205 is connected to a top end of the threaded rod 204, and the motor 205 is fixedly connected to an inner side wall of the charging case 1; the during operation, when perception control unit 4 gives motor 205 signals, control motor 205 rotates, motor 205 drives threaded rod 204 and rotates, the external screw thread of threaded rod 204 can order about threaded sleeve 203 and remove, threaded sleeve 203 drives closing plate 202 in step and moves down, closing plate 202 seals the louvre 102 of below, keep apart air and charging shell 1 is inside, the continuation supply of separation oxygen, can eliminate because of the anaerobic after the circuit naked light consumes oxygen, be favorable to hindering the continuation burning of fire.

As shown in fig. 4, 5, 6, 7, 8, 12, 13 and 14, as a preferred embodiment, the fire extinguishing device 3 includes two fire extinguishing bases 301, the fire extinguishing bases 301 are fixedly connected to the bottom of the charging housing 1, two fire extinguishers 302 are connected to the bottom of the inner wall of the fire extinguishing base 301, the same fire extinguishers 302 are connected to the same group, the top of the fire extinguishers 302 is fixedly communicated with nozzles 303, the top of the nozzles 303 is connected with a pressure control valve 304, the side of the nozzles 303 is fixedly communicated with a hose 305, the top end of the hose 305 sequentially penetrates through the fire extinguishing bases 301 and the charging housing 1 and is fixedly communicated with the inside of the charging housing 1, and a linkage trigger mechanism 5 is communicated between the sealing plate 202 and the pressure control valve 304; during operation, the pressing control valve 304 of the fire extinguisher 302 is pressed through the linkage trigger mechanism 5 in the process that the sealing plate 202 moves downwards to trigger the fire extinguisher 302, the fire extinguisher 302 sprays the fire extinguishing agent to the inside of the charging shell 1 through the nozzle 303 and the hose 305, and sprays the fire extinguishing agent to the surfaces of an electric appliance and a circuit to extinguish an open fire, and the open fire can be extinguished quickly by interrupting the supply of oxygen, so that the loss caused by the firing of the circuit is reduced.

As shown in fig. 4, 5, 6, 7 and 12, as a preferred embodiment, the linkage trigger mechanism 5 includes an L-shaped pressing plate 501, a linkage rod 502 and a pressing rod 503, the pressing rod 503 is located on the pressing control valve 304, a first return spring 504 is sleeved on the surface of the pressing rod 503, two ends of the first return spring 504 are respectively and fixedly connected to the top of the inner wall of the fire extinguishing seat 301 and the bottom end of the pressing rod 503, the top end of the pressing rod 503 sequentially penetrates through the fire extinguishing seat 301 and the charging housing 1 and extends into the charging housing 1, the L-shaped pressing plate 501 is located above the pressing rod 503, the L-shaped pressing plate 501 is vertically inserted into the main bodies of the charging housing 1 and the fire extinguishing seat 301 and extends into the fire extinguishing seat 301, an advance shaking device 7 is connected between the bottom end of the L-shaped pressing plate 501 and a group of fire extinguishers 302 on the same side, a second return spring 505 is commonly connected between the L-shaped pressing plate 501 and the bottom of the inner wall of the charging housing 1, the linkage rod 502 is positioned above the L-shaped pressing plate 501 and is connected to the inner side wall of the charging shell 1 in a vertical sliding mode, and the top end of the linkage rod 502 is positioned on a moving track of the bottom end of the sealing plate 202 in a vertical sliding mode; during operation, the in-process that sealing plate 202 moved down can promote gangbar 502, gangbar 502 can promote L shape press plate 501, L shape press plate 501 moves down when extrudeing second reset spring 505, remove a segment earlier and then extrude press rod 503, press rod 503 promotes press control valve 304 when lengthening first reset spring 504, make fire extinguisher 302 opened, the effect of automatic trigger extinguishing device 3 has been realized, make the effect of putting out a fire to start immediately, spray extinguishing agent, be favorable to putting out a fire fast, reduce the damage degree of circuit and electrical apparatus that the circuit is on fire, and the safety performance is improved.

As shown in the figures 4 and 5, respectively, as shown in fig. 6, 7 and 12, as a preferred embodiment, an anti-misoperation device 6 is disposed on a side surface of the L-shaped pressing plate 501, the anti-misoperation device 6 includes two supporting slide bars 601 and a first wedge-shaped pushing block 602, the two supporting slide bars 601 are fixedly connected to a side surface of an inner wall of the charging housing 1 and are commonly and slidably connected to a second wedge-shaped pushing block 603, a third return spring 605 is sleeved on a surface of the supporting slide bar 601, two ends of the third return spring 605 are respectively and fixedly connected to a side surface of an inner wall of the charging housing 1 and the second wedge-shaped pushing block 603, a side surface of the second wedge-shaped pushing block 603 is fixedly connected to a limiting block 604, the limiting block 604 is commonly and slidably connected to surfaces of the two supporting slide bars 601, the limiting block 604 is clamped to an end surface of the L-shaped pressing plate 501, the first wedge-shaped pushing block 602 is fixedly connected to a bottom end of a side surface of the linkage bar 502, and an inclined surface of the first wedge-shaped pushing block 603 is in contact with an inclined surface of the linkage bar 603; when the fire extinguisher works, in the process of maintaining the charging pile, the sealing door 101 is opened, a worker can touch the L-shaped pressing plate 501 in the maintenance process to cause misoperation, so that the fire extinguisher 302 is started without accident, and waste is caused, the technical scheme can solve the problem that the end part of the L-shaped pressing plate 501 can be limited by the limiting block 604, the worker can not touch the L-shaped pressing plate 501 even if touching the L-shaped pressing plate 501 in the operation process, so that the fire extinguisher 302 is prevented from being started without accident, when the fire is needed to be extinguished, the linkage rod 502 is pushed downwards by the sealing plate 202, the linkage rod 502 firstly drives the first wedge block to push the second wedge block to move to one side, so that the second wedge block drives the limiting plate to separate from the limiting of the L-shaped pressing plate 501, and when the linkage rod 502 continues to move downwards, the L-shaped pressing plate 501 which separates from the limiting is pushed downwards to realize triggering, thereby ensuring the stability of the fire extinguishing device 3 in the maintenance process, can be triggered in time when extinguishing fire.

As shown in fig. 4, 5, 6, 7, 8, 12 and 14, as a preferred embodiment, the advance shaking device 7 includes a toggle tooth 701 and a mounting sliding plate 702, the mounting sliding plate 702 is slidably connected to the bottom of the inner wall of the fire extinguishing base 301, the top of the mounting sliding plate 702 is fixedly connected to the bottoms of a group of fire extinguishers 302 on the same side, the side of the mounting sliding plate 702 and the side of the inner wall of the fire extinguishing base 301 are connected to a fourth return spring 703, the side of the mounting sliding plate 702 is fixedly connected to a linkage tooth 704, the toggle tooth 701 is fixedly connected to the bottom of the side of the L-shaped pressing plate 501, and the toggle tooth 701 is attached to the tooth of the linkage tooth 704; when the fire extinguisher 302 works, before the fire extinguisher 302 is used, if the fire extinguisher 302 does not shake, fire extinguishing agent sprayed by the fire extinguisher 302 is insufficient, and the fire extinguishing effect is affected, the technical scheme can solve the problems, and the specific working mode is as follows, when the L-shaped pressing plate 501 does not contact with the pressing rod 503 firstly in the downward movement process, in the process, the L-shaped pressing plate 501 can drive the poking teeth 701 to move on the teeth of the linkage teeth 704, so that the linkage teeth 704 vibrate, the linkage teeth 704 can drive the installation sliding plate 702 to vibrate synchronously, under the pulling of the fourth reset spring 703, the continuous vibration of the installation sliding plate 702 can be realized in the poking range all the time, the installation sliding plate 702 can drive the fire extinguisher 302 to vibrate synchronously, thereby the fire extinguisher 302 shakes before the triggering, in the shaking process, the bottom end of the pressing rod 503 can always fall on the top surface of the pressing control valve 304, and the L-shaped pressing plate continues to move downwards, will extrude and press the depression bar 503, the depression bar 503 promotes when lengthening first reset spring 504 and presses the pressure control valve 304 for fire extinguisher 302 is opened, has realized the effect of automatic trigger extinguishing device 3, makes the effect of putting out a fire respond immediately, because fire extinguisher 302 is rocked in advance, consequently can carry out abundant injection with fire extinguishing agent, is favorable to putting out a fire to the circuit fast, has maintained good fire extinguishing performance.

As shown in fig. 4 and fig. 10, as a preferred embodiment, the sensing and controlling unit 4 includes a pressure sensor 401 and a smoke sensor 402, the pressure sensor 401 is fixedly connected below the toggle member of the air switch 106, the smoke sensor 402 is fixedly connected to the top of the inner wall of the charging housing, the smoke sensor 402 and the pressure sensor 401 are jointly electrically connected to a main control board 403, and the main control board 403 is fixedly connected to the side surface of the inner wall of the charging housing 1 and electrically connected to the motor 205; when the sealing mechanism 2 works, the pressure sensor 401 receives the tripping back pressure of the poking piece after the air switch 106 trips and then transmits tripping back information of the air switch 106 to the information identification unit on the main control board 403, the smoke sensor 402 senses the smoke generated by circuit combustion and transmits the information to the information identification unit on the main control board 403, and the information identification unit receives the smoke signal and the tripping back information of the air switch 106 and then controls the motor 205 to start so as to control the sealing mechanism 2 to start.

As shown in fig. 1, 7 and 8, as a preferred embodiment, a plugging mechanism 8 for blocking a gap is connected between the sealing plate 202 and the inner side edge of the sealing door 101, the plugging mechanism 8 includes a frame-shaped moving plate 801 and a pushing plate 802, the frame-shaped moving plate 801 is slidably sealed on the inner wall of the charging housing 1 near the edge of the through opening, one side of the frame-shaped moving plate 801 near the sealing door 101 is fixedly connected with a sealing ring 803, the inner side of the frame-shaped moving plate 801 is fixedly connected with the inner wall of the charging housing 1 through a gas spring 805, two symmetrically arranged follow-up plates 804 are fixedly connected on the inner ring surface of the frame-shaped moving plate 801, the top end of the pushing plate 802 is provided with a pushing inclined surface, and the pushing plate 802 is fixedly connected to the side surface of the sealing plate 202; during operation, in operation, because there is the gap between sealing door 101 and the casing 1 that charges, cause in the outside a small amount of air gets into the casing 1 that charges, it is unsatisfactory to cause to keep apart oxygen, through setting up shutoff mechanism 8, at the in-process of closing plate 202 downstream, closing plate 202 can drive the inclined plane at pushing plate 802 extrusion follow-up plate 804 top, make follow-up plate 804 outwards promoted, follow-up plate 804 drives frame shape movable plate 801 and removes, frame shape movable plate 801 drives sealing washer 803 and shelters from sealedly to the gap, thereby realize strengthening sealedly, make air and casing 1 that charges be kept apart by quick when the emergence circuit is on fire, be favorable to the thorough isolation to outside air, thereby be favorable to hindering the fire of circuit to continue to spread.

As shown in fig. 1, 2, 4, 6, 7, 8, 9, 10, 11 and 13, as a preferred embodiment, cooling mechanisms 9 are disposed above two sides of the charging housing 1, each cooling mechanism 9 includes a water tank 901, each water tank 901 is fixedly mounted above a side surface of the charging housing 1, a nozzle 902 is fixedly communicated with a bottom end of each water tank 901, a sealing strip 903 for sealing the nozzle 902 is slidably connected to a bottom of an inner wall of the water tank 901, a linkage plate 904 is fixedly connected to a side surface of the sealing strip 903, an end of the linkage plate 904 sequentially penetrates through the water tank 901 and the charging housing 1 and extends into the charging housing 1, a slope block 905 is fixedly connected thereto, the slope block 905 includes an upper slope and a lower slope, a first linkage shaft 906 is disposed on the lower slope in a contact manner, a pulling linkage plate 907 is fixedly connected to a side surface of the first shaft 906, a bottom of the pulling plate 907 is fixedly connected to a top of the sealing plate 202, the top of the pulling plate 907 is fixedly connected with a second linkage shaft 908 matched with the upper inclined plane of the inclined plane block 905; during operation, inside burning that still lasts a certain time after charging housing 1 is sealed, the heat can't be dispersed fast, can cause the consume to other unburned circuits, through setting up cooling mechanism 9, in sealed in-process, closing plate 202 can drive and draw board 907 downstream, draw and draw board 907 to drive second linkage 908 downstream until pushing the top inclined plane of sloping block 905, make sloping block 905 drive linkage board 904 to the inside removal of charging housing 1, linkage board 904 drives sealing strip 903 and breaks away from the sealed to shower nozzle 902, thereby water in the water tank 901 can flow to the lateral surface of charging housing 1 through shower nozzle 902, make charging housing 1 can be cooled down, thereby indirectly carry out quick heat absorption to inside temperature and realize rapid cooling, be favorable to reducing the consume of inside higher temperature to the circuit.

Example 3

A method of charging a pile for emergency protection of a circuit, the method of protecting the circuit comprising the steps of:

step one, sensing circuit faults: when a circuit in the charging pile has a combustion fault, the air switch 106 can be tripped immediately, the sensing control unit 4 senses the tripping firstly, then the sealing mechanism is started immediately after smoke information is received, and fault information is sent to a mobile phone end of a person through the WIFI module;

step two, sealing and extinguishing: the sealing mechanism 2 is started to seal the heat dissipation holes 102 and prevent oxygen from entering, meanwhile, the starting of the sealing mechanism 2 can trigger the fire extinguishing mechanism, the fire extinguishing mechanism sprays fire extinguishing agents into the charging shell 1 to extinguish the flame of the circuit, and meanwhile, the cooling mechanism 9 is triggered to cool the charging shell 1, so that the temperature in the charging shell 1 can be quickly reduced, and the damage to the circuit is reduced;

step three, cleaning treatment: and opening the sealing door 101 to clean and maintain the internal electric appliances. The schemes in example 1, example 2 and example 3 are further described below with reference to specific working modes, which are described in detail in the following:

specifically, the charging pile emergency protection circuit device based on the internet of things and the charging pile emergency protection method based on the internet of things are used in working/using processes as follows: when the charging pile shell is in failure, if the circuit is only broken, the air switch 106 can be tripped immediately, tripping information of the air switch 106 can be sensed by the sensing control unit 4, if the circuit is simultaneously combusted, smoke can be generated, the sensing control unit 4 can receive a signal of the smoke, and the sealing mechanism 2 can be controlled to seal the heat dissipation holes 102 under the simultaneous sensing of the tripping of the air switch 106 and the smoke, the circulation in separation air and the casing 1 that charges to block the supply of oxygen, hinder the continuation of circuit and enlarge the burning, and, sealing mechanism 2 can trigger extinguishing device 3 at sealed in-process, and extinguishing device 3 can spray the fire extinguishing agent to the inside of the casing 1 that charges, and put out the naked light, avoids the continuation burning of fire, thereby can carry out good protection to the circuit, avoid continuing to enlarge the destruction to the circuit, be favorable to reducing the damage to circuit and electrical apparatus.

In addition, regarding the internet of things functions: when the charging pile is used, the charging pile is connected with a wireless network, the personnel mobile phone is paired with the Bluetooth module, when fire hazard dangerous conditions occur, information is sent to the personnel mobile phone end through the WIFI module, when the personnel are close to the charging pile in daily use, the Bluetooth module can send basic information to the personnel mobile phone, interconnection of the charging pile and the personnel mobile phone is achieved through the operation, and the function of internet of things is achieved

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.