阅读说明：本技术 一种触发式防触电防高温的预警式环网柜箱门 (Trigger type electric shock prevention and high temperature prevention early warning type ring main unit box door ) 是由 张志杨 于 2021-08-05 设计创作，主要内容包括：本发明涉及一种预警式环网柜箱门,尤其涉及一种触发式防触电防高温的预警式环网柜箱门,包括有安装框架、闭合组件、限位组件、调整组件、卡紧组件等；安装框架一侧设置有闭合组件,限位组件设于闭合组件上,调整组件同样设置在闭合组件上,卡紧组件滑动式连接于安装框架上。内部电器元件出现漏电情况时,供电块对受电块供电,电磁铁受电流影响将铁质警示板吸附,使得箱门上露出“危险有电”字样,提示外界人员此设备内部电器元件漏电,存在触电危险。(The invention relates to an early warning type ring main unit box door, in particular to a triggering type electric shock prevention and high temperature prevention early warning type ring main unit box door which comprises an installation frame, a closing component, a limiting component, an adjusting component, a clamping component and the like; installation frame one side is provided with closed assembly, and on closed assembly was located to spacing subassembly, the adjustment subassembly was set up on closed assembly equally, and chucking subassembly sliding type is connected on the installation frame. When the electric leakage condition appeared in inside electrical components, the power supply piece was to receiving the power supply of piece, and the electro-magnet receives the electric current influence to adsorb iron warning board for expose "dangerous electric" word on the chamber door, the inside electrical components electric leakage of this equipment of suggestion external personnel, there is the danger of electrocuting.)

1. The utility model provides a formula that triggers early warning formula looped netowrk cabinet chamber door of protection against electric shock high temperature, characterized by: including installation frame, closing member, spacing subassembly, adjustment subassembly, chucking subassembly and electric leakage warning subassembly, installation frame one side is provided with closing member, and on closing member was located to spacing subassembly, the adjustment subassembly set up on closing member equally, and chucking subassembly sliding connection is on the installation frame, and electric leakage warning subassembly sets up on the installation frame.

2. The triggered electric shock and high temperature prevention early warning type ring main unit box door according to claim 1, is characterized in that: the closing assembly comprises support plates, a box door and a first torsion spring, wherein one side of the installation frame is fixedly provided with a pair of support plates, the two support plates are connected with the box door in a co-rotating mode, the box door is in mutual contact with the installation frame, the box door is connected with the pair of first torsion springs, and one ends of the first torsion springs are connected with the support plates.

3. The triggered electric shock and high temperature prevention early warning type ring main unit box door according to claim 2 is characterized in that: the limiting assembly comprises a supporting block, a movable plate, spring pieces, a first extension spring, a plastic clamping rod, a limiting strip and a pulling rod, wherein the supporting block is fixedly mounted on one side of the box door, the movable plate is connected to the supporting block in a lifting mode, two spring pieces are arranged on the movable plate, the bottom surface of the movable plate is fixedly connected with the first extension spring, one end of the first extension spring is connected with the supporting block, the supporting block is symmetrically and slidably connected with the plastic clamping rod, the plastic clamping rod is in mutual contact with the movable plate, the supporting block is slidably connected with the limiting strip, the limiting strip is slidably connected with the box door, the limiting strip is in mutual contact with the tops of the spring pieces, and the pulling rod is welded on the limiting strip.

4. The triggered electric shock and high temperature prevention early warning type ring main unit box door according to claim 3, is characterized in that: the adjusting component comprises a rotating shaft, a rotating disk, a limiting disk, a second torsion spring, a swinging rod, a pushing plate, a rotating sleeve, a rotating rod, a movable limiting plate and a limiting spring, the rotating shaft is connected to the box door in a rotating mode, the rotating disk is welded to the rotating shaft, the limiting disk is fixedly connected to the rotating shaft, a limiting strip is clamped into a limiting disk slot, the second torsion spring is fixedly connected to the limiting disk, one end of the second torsion spring is connected to the box door in a connecting mode, the swinging rod is welded to one end of the rotating shaft, the pushing plate is connected to the swinging rod in a rotating mode, the rotating sleeve is connected to the box door in a rotating mode, the rotating rod is connected to the rotating sleeve in a sliding mode, the rotating rod is fixedly connected to the pushing plate, the movable limiting plate is connected to the rotating rod in a sliding mode, and the limiting spring is connected between the movable limiting plate and the rotating rod.

5. The triggered electric shock and high temperature prevention early warning type ring main unit box door according to claim 4, is characterized in that: the clamping assembly comprises a strip-shaped plate, a return spring, a limit frame and a first limit clamping plate, third torsion spring, a supporting plate, the sliding strip, the spacing cardboard of second extension spring and second, sliding connection has the bar board on the installation frame, a pair of reset spring of fixedly connected with on the bar board, reset spring one end and installation frame hookup, the welding has two spacing frames on the bar board, first spacing cardboard rotary type is linked on spacing frame, the hookup has a pair of third torsion spring on the first spacing cardboard, third torsion spring one end links to each other with spacing frame, the supporting plate sets up on the bar board, the sliding strip is connected in the supporting plate with the mode of liftable, the sliding strip and activity limiting plate contaction, the hookup has second extension spring on the sliding strip, second extension spring one end links to each other with the supporting plate, the welding of chamber door one side has a pair of the spacing cardboard of second, the spacing cardboard of second and the first spacing cardboard contaction.

6. The triggered electric shock and high temperature prevention early warning type ring main unit box door according to claim 5, is characterized in that: the electric leakage warning assembly comprises a guide plate frame, a movable strip, a third stretching spring, a power supply block, a power receiving block, a double-groove oscillating rod, a push rod, an electromagnet and an iron warning plate, wherein the guide plate frame is fixedly installed on the installation frame, the movable strip is connected on the guide plate frame in a sliding manner, the third stretching spring is fixedly connected on the movable strip, one end of the third stretching spring is connected with the guide plate frame, the power supply block is welded at one end of the movable strip, the power receiving block is fixedly installed on one side of the box door, the power receiving block is in contact with the power supply block, the double-groove oscillating rod is connected on the guide plate frame in a rotating manner, the double-groove oscillating rod is in limit fit with the movable strip, the push rod is connected on the guide plate frame in a sliding manner, the push rod is in limit fit with the double-groove oscillating rod, the push rod is in contact with the push plate, the electromagnet is arranged in the box door, the iron warning plate is connected on the box door in a sliding manner, and safety warning plate is carved on the iron warning plate, The danger is in the form of electricity.

7. The triggered electric shock and high temperature prevention early warning type ring main unit box door according to claim 6, is characterized in that: still including the ground connection subassembly, the ground connection subassembly sets up on the installation frame, the ground connection subassembly is including the push pedal, elasticity connects ground plate frame, fourth torque spring, the driving-disc, pulling leading truck and fourth extension spring, the welding has the push pedal on the iron warning board, the rotation type is connected with elasticity on the installation frame and connects ground plate frame, elasticity connects ground plate frame to go up the rigid coupling and has fourth torque spring, hookup on fourth torque spring one end and the installation frame, elasticity ground plate frame one end rigid coupling has the driving-disc, pulling leading truck sliding connection is on the installation frame, driving-disc and the spacing cooperation of pulling leading truck, hookup has fourth extension spring on the pulling leading truck, hookup on fourth extension spring one end and the installation frame.

Technical Field

The invention relates to an early warning type ring main unit box door, in particular to a trigger type electric shock prevention and high temperature prevention early warning type ring main unit box door.

Background

The ring network is an annular power distribution network, namely a power supply main line forms a closed ring, a power supply supplies power to the annular main line, and the ring network is distributed outwards through a high-voltage switch from the main line all the way.

In the existing ring main unit, the box body with a relatively closed internal space is usually manufactured, in order to prevent high temperature generated by heat concentration in the ring main unit, heat dissipation through holes are required to be formed around the ring main unit to exchange heat with external air, but because the heat dissipation port is small, the heat generated by the high-voltage electrical component is high, the heat dissipation effect is uneven, the internal electrical component is prone to serious heating, safety accidents are prone to being caused, and the safety performance is poor.

Disclosure of Invention

The invention aims to provide a triggered electric shock and high temperature prevention early warning type ring main unit box door which can dissipate heat of electrical components inside a ring main unit, can increase safety performance of the ring main unit and can prevent electric leakage from hurting people, so as to solve the problems that the prior ring main unit has uneven heat dissipation effect, is easy to cause serious heating of the electrical components inside the ring main unit, is easy to cause safety accidents and has poor safety performance.

The technical implementation scheme of the invention is as follows: the utility model provides a trigger formula protection against electric shock high temperature early warning formula looped netowrk cabinet chamber door, is including installation frame, closed assembly, spacing subassembly, adjustment subassembly, chucking subassembly and electric leakage warning subassembly, installation frame one side is provided with closed assembly, and on closed assembly was located to spacing subassembly, the adjustment subassembly set up on closed assembly equally, and chucking subassembly sliding type connection is on the installation frame, and electric leakage warning subassembly sets up on the installation frame.

Optionally, the closing component includes a support plate, a door and a first torsion spring, a pair of support plates is fixedly mounted on one side of the mounting frame, the two support plates are connected with the door in a co-rotating manner, the door and the mounting frame are in contact with each other, the door is connected with a pair of first torsion springs, and one end of each first torsion spring is connected with the support plate.

Optionally, the limiting assembly comprises a support block, a movable plate, spring pieces, a first extension spring, a plastic clamping rod, a limiting strip and a pulling rod, the support block is fixedly mounted on one side of the box door, the movable plate is connected to the support block in a lifting mode, two spring pieces are arranged on the movable plate, the bottom surface of the movable plate is fixedly connected with the first extension spring, one end of the first extension spring is connected with the support block, the plastic clamping rod is symmetrically and slidably connected to the support block, the plastic clamping rod is in mutual contact with the movable plate, the limiting strip is slidably connected to the support block and is slidably connected to the box door, the limiting strip is in mutual contact with the tops of the spring pieces, and the pulling rod is welded to the limiting strip.

Optionally, the adjustment subassembly is including the rotation axis, the rotary disk, spacing dish, second torsion spring, the swinging arms, the slurcam, revolve the cover, the bull stick, activity limiting plate and spacing spring, the rotation axis rotary type is connected on the chamber door, the rotary disk welding is on the rotation axis, the rigid coupling has spacing dish on the rotation axis, spacing strip card is gone into in the spacing dish slot, fixedly connected with second torsion spring on the spacing dish, second torsion spring one end and chamber door hookup, rotation axis one end welding has the swinging arms, the swinging arms is last to revolve the formula and is connected with the slurcam, revolve on the cover rotary type connect with the chamber door, the sliding connection has the bull stick on revolving the cover, bull stick and slurcam fixed connection, the sliding connection has activity limiting plate on the bull stick, be connected with spacing spring between activity limiting plate and the bull stick.

Optionally, the clamping assembly comprises a strip-shaped plate, a return spring, a limiting frame and a first limiting clamping plate, third torsion spring, a supporting plate, the sliding strip, the spacing cardboard of second extension spring and second, sliding connection has the bar board on the installation frame, a pair of reset spring of fixedly connected with on the bar board, reset spring one end and installation frame hookup, the welding has two spacing frames on the bar board, first spacing cardboard rotary type is linked on spacing frame, the hookup has a pair of third torsion spring on the first spacing cardboard, third torsion spring one end links to each other with spacing frame, the supporting plate sets up on the bar board, the sliding strip is connected in the supporting plate with the mode of liftable, the sliding strip and activity limiting plate contaction, the hookup has second extension spring on the sliding strip, second extension spring one end links to each other with the supporting plate, the welding of chamber door one side has a pair of the spacing cardboard of second, the spacing cardboard of second and the first spacing cardboard contaction.

Optionally, the electric leakage warning assembly comprises a guide plate frame, a movable strip, a third stretching spring, a power supply block, a power receiving block, a double-groove swing rod, a push rod, an electromagnet and an iron warning plate, the guide plate frame is fixedly mounted on the mounting frame, the movable strip is connected to the guide plate frame in a sliding manner, the third stretching spring is fixedly connected to the movable strip, one end of the third stretching spring is connected with the guide plate frame, the power supply block is welded to one end of the movable strip, the power receiving block is fixedly mounted on one side of the box door and is in contact with the power supply block, the double-groove swing rod is connected to the guide plate frame in a rotating manner, the double-groove swing rod is in limit fit with the movable strip, the push rod is connected to the guide plate frame in a sliding manner, the push rod is in limit fit with the double-groove swing rod, the push rod is in contact with the push plate, the electromagnet is arranged in the box door and is in a sliding manner, the iron warning plate is carved on the box door, and is a safety warning plate, The danger is in the form of electricity.

Optionally, the grounding device further comprises a grounding assembly, the grounding assembly is arranged on the installation frame, the grounding assembly comprises a push plate, an elastic ground plate connecting frame, a fourth torsion spring, a driving plate, a pulling guide frame and a fourth extension spring, the push plate is welded on the iron warning plate, the elastic ground plate connecting frame is connected to the installation frame in a rotating mode, the fourth torsion spring is fixedly connected to the elastic ground plate connecting frame, one end of the fourth torsion spring is connected to the installation frame, the driving plate is fixedly connected to one end of the elastic ground plate connecting frame, the pulling guide frame is connected to the installation frame in a sliding mode, the driving plate is in limit fit with the pulling guide frame, the fourth extension spring is connected to the pulling guide frame, and one end of the fourth extension spring is connected to the installation frame.

The beneficial effects are that:

the first limiting clamping plate is clamped through the second limiting clamping plate, so that the box door is closed, the box door is prevented from being opened carelessly, the sliding strip is clamped by the movable limiting plate, and the strip-shaped plate and the upper device thereof are prevented from resetting.

When the electric leakage condition appeared in inside electrical components, the power supply piece was to receiving the power supply of piece, and the electro-magnet receives the electric current influence to adsorb iron warning board for expose "dangerous electric" word on the chamber door, the inside electrical components electric leakage of this equipment of suggestion external personnel, there is the danger of electrocuting.

The plastic clamping rod is heated to melt, the movable plate is not blocked any more, the first extension spring in the extension state resets to drive the movable plate and the upper device to move downwards, the limiting strip does not clamp the limiting disc any more, the box door is opened, outside air enters the installation frame, heat of internal electric appliances is dissipated, and the internal electric appliances are prevented from catching fire.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a perspective view of a closure assembly of the present invention.

Fig. 4 is a schematic perspective view of the spacing assembly of the present invention.

Fig. 5 is a schematic partial perspective view of the spacing assembly of the present invention.

Fig. 6 is a schematic perspective view of an adjusting assembly according to the present invention.

Figure 7 is a schematic view of a first partially assembled body construction of the clamping assembly of the present invention.

Figure 8 is a schematic view of a second partially assembled body construction of the clamping assembly of the present invention.

Fig. 9 is a schematic view of a first partially separated body structure of the electrical leakage warning device according to the present invention.

Fig. 10 is a schematic view of a second partial body structure of the electrical leakage warning device of the present invention.

Fig. 11 is a schematic perspective view of the grounding assembly of the present invention.

Number designation in the figures: 1. a mounting frame, 2, a closing component, 21, a support plate, 22, a door, 23, a first torsion spring, 3, a limiting component, 31, a support block, 32, a movable plate, 33, a spring piece, 34, a first tension spring, 35, a plastic clamping rod, 36, a limiting strip, 37, a pulling rod, 4, an adjusting component, 41, a rotating shaft, 42, a rotating disk, 43, a limiting disk, 44, a second torsion spring, 45, a swinging rod, 46, a pushing plate, 47, a rotating sleeve, 48, a rotating rod, 49, a movable limiting plate, 410, a limiting spring, 5, a clamping component, 51, a strip-shaped plate, 52, a reset spring, 53, a limiting frame, 54, a first limiting clamping plate, 55, a third torsion spring, 56, a support plate, 57, a sliding strip, 58, a second tension spring, 59, a second limiting clamping plate, 6, a leakage component, 61, a guide plate frame, 62, a movable strip, 63, a third tension spring, 64. the power supply device comprises a power supply block 65, a power receiving block 66, a double-groove swing rod 67, a push rod 68, an electromagnet 69, an iron warning plate 7, a grounding assembly 71, a push plate 72, an elastic floor connecting plate frame 73, a fourth torsion spring 74, a driving plate 75, a pulling guide frame 76 and a fourth extension spring.

Detailed Description

In order to make the technical solution and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The utility model provides a trigger formula protection against electric shock high temperature prevention early warning formula looped netowrk cabinet chamber door, as shown in fig. 1-10, including installation frame 1, closed subassembly 2, spacing subassembly 3, adjustment subassembly 4, chucking subassembly 5 and electric leakage warning subassembly 6, 1 one side of installation frame is provided with the case closed subassembly 2 that is used for closing the looped netowrk cabinet, spacing subassembly 3 is located on the closed subassembly 2, adjustment subassembly 4 sets up on closed subassembly 2 equally, be used for with 5 sliding connection of chucking subassembly of chamber door 22 chucking on installation frame 1, electric leakage warning subassembly 6 sets up on installation frame 1, electric leakage warning subassembly 6 is used for indicateing the inside electrical components electric leakage of external personnel.

The closing component 2 comprises a support plate 21, a door 22 and a first torsion spring 23, wherein one side of the mounting frame 1 is fixedly provided with a pair of support plates 21, the two support plates 21 are connected with the door 22 in a co-rotating manner, the door 22 is contacted with the mounting frame 1, the door 22 is connected with a pair of first torsion springs 23, and one end of the first torsion spring 23 far away from the door 22 is connected with the support plates 21.

The limiting component 3 comprises a supporting block 31, a movable plate 32, a spring piece 33, a first extension spring 34, a plastic clamping rod 35, a limiting strip 36 and a pulling rod 37, the supporting block 31 is fixedly mounted on one side of the door 22, the movable plate 32 is connected to the supporting block 31 in a lifting mode, two spring pieces 33 are arranged on the movable plate 32, the first extension spring 34 is fixedly connected to the bottom surface of the movable plate 32, one end of the first extension spring 34 far away from the movable plate 32 is connected with the supporting block 31, the plastic clamping rod 35 is symmetrically and slidably connected to the supporting block 31, the plastic clamping rod 35 is in contact with the movable plate 32, the limiting strip 36 is slidably connected to the supporting block 31, the limiting strip 36 is in slide connection with the door 22, the limiting strip 36 is in contact with the top of the spring piece 33, and the pulling rod 37 is welded to the limiting strip 36.

The adjusting component 4 comprises a rotating shaft 41, a rotating disc 42, a limiting disc 43, a second torsion spring 44, a swinging rod 45, a pushing plate 46, a rotary sleeve 47, a rotating rod 48, a movable limiting plate 49 and a limiting spring 410, wherein the rotating shaft 41 is rotatably connected to the door 22, the rotating disc 42 is welded on the rotating shaft 41, the rotating shaft 41 far away from the rotating disc 42 is fixedly connected with the limiting disc 43, a limiting strip 36 is clamped in a slot of the limiting disc 43, the limiting strip 36 is used for clamping the limiting disc 43, the limiting disc 43 is fixedly connected with the second torsion spring 44, one end of the second torsion spring 44 far away from the limiting disc 43 is connected with the door 22, one end of the rotating shaft 41 near the limiting disc 43 is welded with the swinging rod 45, the swinging rod 45 is rotatably connected with the pushing plate 46, the rotary sleeve 47 is rotatably connected with the door 22, the rotating rod 48 is slidably connected on the rotary sleeve 47, the rotating rod 48 far away from the rotary sleeve 47 is fixedly connected with the pushing plate 46, a movable limit plate 49 is connected on the rotating rod 48 far away from the swinging rod 45 in a sliding way, and a limit spring 410 is connected between the movable limit plate 49 and the rotating rod 48.

The clamping assembly 5 comprises a strip-shaped plate 51, a return spring 52, a limiting frame 53, a first limiting clamping plate 54, a third torsion spring 55, a supporting plate 56, a sliding strip 57, a second extension spring 58 and a second limiting clamping plate 59, the mounting frame 1 is slidably connected with the strip-shaped plate 51, the strip-shaped plate 51 is fixedly connected with the pair of return springs 52, one end of the return spring 52 far away from the strip-shaped plate 51 is connected with the mounting frame 1, the strip-shaped plate 51 is welded with the two limiting frames 53, the first limiting clamping plate 54 is rotatably connected with the limiting frame 53, the limiting frame 53 is used for blocking the first limiting clamping plate 54, the first limiting clamping plate 54 is connected with the pair of third torsion springs 55, one end of the third torsion spring 55 far away from the first limiting clamping plate 54 is connected with the limiting frame 53, the supporting plate 56 is arranged on the strip-shaped plate 51, the sliding strip 57 is connected with the supporting plate 56 in a lifting manner, and the sliding strip 57 is contacted with the movable limiting plate 49, the movable limiting plate 49 is used for clamping the sliding strip 57, the sliding strip 57 is connected with a second extension spring 58, one end of the second extension spring 58, which is far away from the sliding strip 57, is connected with the supporting plate 56, one side of the box door 22 is welded with a pair of second limiting clamping plates 59, the second limiting clamping plates 59 are in mutual contact with the first limiting clamping plates 54, and the second limiting clamping plates 59 are used for clamping the first limiting clamping plates 54.

The electric leakage warning component 6 comprises a guide plate frame 61, a movable strip 62, a third extension spring 63, a power supply block 64, a power receiving block 65, a double-groove swing rod 66, a push rod 67, an electromagnet 68 and an iron warning plate 69, the guide plate frame 61 is fixedly installed on the installation frame 1, the movable strip 62 is slidably connected on the guide plate frame 61, the third extension spring 63 is fixedly connected on the movable strip 62, one end of the third extension spring 63 far away from the movable strip 62 is connected with the guide plate frame 61, the power supply block 64 is welded at one end of the movable strip 62, the power receiving block 65 is fixedly installed at one side of the box door 22, the power receiving block 65 is in contact with the power supply block 64, the power supply block 64 is used for providing current for the power receiving block 65, the double-groove swing rod 66 is rotatably connected on the guide plate frame 61, the double-groove swing rod 66 is in limit fit with the movable strip 62, the push rod 67 is slidably connected on the guide plate frame 61, the push rod 67 is in limit fit with the double-groove swing rod 66, the push rod 67 is in contact with the push plate 46, the push plate 46 is used for pushing the push rod 67 to move in the direction away from the box door 22, the electromagnet 68 is arranged in the box door 22, the box door 22 is connected with the iron warning plate 69 in a sliding mode, safety and danger electricity characters are carved on the iron warning plate 69, and the iron warning plate 69 is used for prompting outside personnel.

The device is installed on the ring main unit, and the ring main unit is installed with electrical components, and when the device is in normal operation, the box door 22 is in a closed state. When a worker needs to maintain internal electrical components, the worker needs to open the box door 22, the worker manually pushes the pulling rod 37 and the limiting strips 36 to move downwards, the limiting strips 36 do not block the limiting disk 43 any more, the second torsion spring 44 in the compressed state resets to drive the limiting disk 43 and the upper device to rotate anticlockwise, the swinging rod 45 drives the rotating rod 48 to swing, the movable limiting plate 49 no longer blocks the sliding strip 57, the return spring 52 in the compressed state resets to drive the strip-shaped plate 51 and the upper device to move towards the direction away from the supporting plate 21, the second limiting clamping plate 59 no longer blocks the first limiting clamping plate 54, and the compressed first torsion spring 23 resets to drive the box door 22 to rotate, so that the box door 22 is opened. Meanwhile, the pushing plate 46 is separated from the pushing rod 67, the third stretching spring 63 in a stretching state resets to drive the movable strip 62 to move towards the direction away from the box door 22, the power supply block 64 is separated from the power receiving block 65, the power supply block 64 cannot supply power to the power receiving block 65, and the iron warning plate 69 is always located below, so that the safety word is exposed on the box door 22.

When the door 22 needs to be closed, a worker rotates the rotating disc 42 clockwise, the rotating disc 42 drives the rotating shaft 41 and the upper device to rotate, the second torsion spring 44 is compressed, the limiting disc 43 pushes the limiting strip 36 to move downwards, then the limiting strip 36 moves upwards under the action of the spring piece 33, the limiting strip 36 clamps the limiting disc 43, and the swinging rod 45 drives the rotating rod 48 to swing. Then the staff manually promotes the strip shaped plate 51 and moves towards being close to the extension board 21 direction, reset spring 52 is compressed, subsequently the staff manually promotes the chamber door 22 and rotates, when second spacing cardboard 59 and first spacing cardboard 54 contact each other, second spacing cardboard 59 promotes the swing of first spacing cardboard 54, the third torsion spring 55 that compresses thereupon resets and drives the swing of first spacing cardboard 54 and reset, because spacing frame 53 blocks first spacing cardboard 54, second spacing cardboard 59 blocks first spacing cardboard 54, make chamber door 22 closed, when activity limiting plate 49 contacts with slider 57, activity limiting plate 49 blocks slider 57, then the staff loosens strip shaped plate 51. When the door 22 is closed, the pushing plate 46 contacts with the pushing rod 67, the pushing plate 46 pushes the pushing rod 67 to move in a direction away from the door 22, the pushing rod 67 drives the movable bar 62 to move in a direction close to the door 22 through the double-groove swing rod 66, so that the power supply block 64 contacts with the power receiving block 65, and the power supply block 64 does not supply power to the power receiving block 65.

The movable strip 62 is connected with the internal electrical component, when the internal electrical component has a leakage condition, the power supply block 64 supplies current to the power receiving block 65, the electromagnet 68 generates magnetic force under the influence of the current, and the magnetic force adsorbs the iron warning plate 69, so that the dangerous electric character is exposed on the box door 22.

When the temperature of the internal electrical component is too high, the plastic clamping rod 35 is heated and melted, the movable plate 32 is not blocked any more, the first extension spring 34 in the extension state resets to drive the movable plate 32 and the device thereon to move downwards, the limiting strip 36 does not clamp the limiting disc 43 any more, the compressed second torsion spring 44 resets to drive the limiting disc 43 and the device thereon to rotate anticlockwise, the operations are repeated, the box door 22 is opened, the outside air enters the installation frame 1 to dissipate heat of the internal electrical component, when the temperature of the internal electrical component is reduced, a worker inserts a new plastic clamping rod 35 into the supporting block 31, the plastic clamping rod 35 supports the movable plate 32, and then the box door 22 is closed.

Example 2

On the basis of embodiment 1, as shown in fig. 11, the portable electronic device further includes a grounding assembly 7, the grounding assembly 7 is disposed on the installation frame 1, the grounding assembly 7 includes a push plate 71, an elastic floor-connecting frame 72, a fourth torsion spring 73, a driving disk 74, a pulling guide frame 75 and a fourth extension spring 76, the push plate 71 is welded on the iron warning plate 69, the push plate 71 is used for pushing the pulling guide frame 75 to move upward, the installation frame 1 is rotatably connected with the elastic floor-connecting frame 72, the elastic floor-connecting frame 72 is used for guiding current into the ground, the elastic floor-connecting frame 72 is fixedly connected with the fourth torsion spring 73, one end of the fourth torsion spring 73 far away from the elastic floor-connecting frame 72 is connected with the installation frame 1, one end of the elastic floor-connecting frame 72 is fixedly connected with the driving disk 74, the pulling guide frame 75 is slidably connected with the installation frame 1, the driving disk 74 is in spacing fit with the pulling guide frame 75, a fourth tension spring 76 is coupled to the pulling guide 75, and an end of the fourth tension spring 76 remote from the pulling guide 75 is coupled to the mounting frame 1.

The iron warning board 69 drives the push plate 71 to move upwards, the push plate 71 pushes the pulling guide frame 75 to move upwards, the fourth stretching spring 76 is stretched, the pulling guide frame 75 drives the driving disc 74 and the upper device to rotate, the elastic floor connecting frame 72 is in contact with the ground, and the elastic floor connecting frame 72 guides current into the ground to prevent people from being injured due to electric leakage.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.