阅读说明：本技术 一种变电站消防安全监测预警设备 (Fire safety monitoring and early warning equipment of transformer substation ) 是由 李大文 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种变电站消防安全监测预警设备,包括变电组和消防监测预警装置,所述消防监测预警装置固定安装在变电组的顶端,所述变电组的内部包括警示灯、变压器和支撑架,所述变压器均匀固定安装在支撑架的上表面,所述警示灯均匀固定安装在支撑架的上表面且位于变压器的两侧边缘,所述消防监测预警装置的内部包括二氧化碳灭火罐、调控装置、温度监测装置、二氧化碳喷嘴、支撑杆和防护罩。本发明通过在变压器的顶部安装消防监测预警装置,能够对变压器的温度起到实时监测,同时在变压器发生火灾时,消防监测预警装置能够及时对火源继续灭火,从而降低变压器的损坏程度。(The invention discloses a transformer substation fire safety monitoring and early warning device which comprises a power transformation group and a fire monitoring and early warning device, wherein the fire monitoring and early warning device is fixedly arranged at the top end of the power transformation group, the power transformation group comprises a warning lamp, a transformer and a support frame, the transformer is uniformly and fixedly arranged on the upper surface of the support frame, the warning lamp is uniformly and fixedly arranged on the upper surface of the support frame and positioned at the edges of two sides of the transformer, and the fire monitoring and early warning device comprises a carbon dioxide extinguishing tank, a regulating device, a temperature monitoring device, a carbon dioxide nozzle, a support rod and a protective cover. According to the invention, the fire monitoring and early warning device is arranged at the top of the transformer, so that the temperature of the transformer can be monitored in real time, and meanwhile, when the transformer is in a fire disaster, the fire monitoring and early warning device can continue to extinguish the fire in time, thereby reducing the damage degree of the transformer.)

1. The utility model provides a fire control safety monitoring early warning equipment of transformer substation, includes transformer group (1) and fire control monitoring early warning device (2), its characterized in that: the fire monitoring and early warning device (2) is fixedly installed at the top end of a power transformation set (1), the power transformation set (1) comprises a warning lamp (3), a transformer (4) and a support frame (5) inside, the transformer (4) is uniformly and fixedly installed on the upper surface of the support frame (5), and the warning lamp (3) is uniformly and fixedly installed on the upper surface of the support frame (5) and located on the edges of two sides of the transformer (4);

the fire protection monitoring and early warning device (2) is characterized by comprising a carbon dioxide extinguishing tank (6), a regulating and controlling device (7), a temperature monitoring device (8), a carbon dioxide nozzle (9), a supporting rod (10) and a protective cover (11), wherein the carbon dioxide nozzle (9) is uniformly and fixedly arranged on the outer surface of the bottom of the carbon dioxide extinguishing tank (6), the protective cover (11) is welded on the outer surface of the carbon dioxide extinguishing tank (6), the regulating and controlling device (7) is fixedly arranged at the center of one end in the protective cover (11), the supporting rod (10) is uniformly welded on the edges of four corners of the bottom of the protective cover (11), and the temperature monitoring device (8) is fixedly arranged on the outer surface of the supporting rod (10) at the bottom of the protective cover (11);

the regulating device (7) comprises a plunger cylinder (12), a plugging head (13), a connecting rod (14), a limiting guide rod (15) and a push-pull rod (16) inside, the push-pull rod (16) is fixedly connected to the center of one end of the plunger cylinder (12), the limiting guide rod (15) is symmetrically welded to the outer surface of the edge of one end of the push-pull rod (16), the connecting rod (14) is uniformly welded to the outer surface of the limiting guide rod (15), and the plugging head (13) is welded to the outer surface of the middle part of the connecting rod (14);

the temperature monitoring device (8) comprises a first transmission belt (17), a driving gear (18), a stepping motor (19), a second transmission belt (20), a sleeving hole (21), a tensioning gear (22), a driven gear (23), a limiting frame (24), a storage battery (25) and a temperature sensor rod (26), wherein the top end of the driving gear (18) is fixedly connected to the center of the bottom surface of the stepping motor (19), the center of the bottom surface of the driving gear (18) is rotatably buckled on the upper surface of the center of one end of the limiting frame (24), the first transmission belt (17) is rotatably sleeved on the outer surface of the driving gear (18), the driven gear (23) is rotatably installed on the bottom surfaces of the centers of the two ends of the limiting frame (24), the tensioning gear (22) is rotatably installed on the four corner edges of the bottom surface of the limiting frame (24), the sleeving hole (21) is formed on the four corner edges of the upper surface of the limiting frame (24), the second transmission belt (20) is rotatably sleeved on the outer surfaces of the tension gear (22) and the driven gear (23), the storage battery (25) is fixedly installed on the outer surface of the second transmission belt (20), and the temperature sensor rod (26) is fixedly connected to the center of the bottom surface of the storage battery (25).

2. The fire safety monitoring and early warning equipment of transformer substation of claim 1, characterized in that: the outer surface of the upper part of the carbon dioxide nozzle (9) is provided with a splicing hole, and the plugging head (13) is spliced with the outer surface of the upper part of the carbon dioxide nozzle (9) through the splicing hole.

3. The substation fire safety monitoring and early warning device according to claim 2, characterized in that: the top end of the carbon dioxide nozzle (9) is communicated with the inside of the carbon dioxide fire extinguishing tank (6), and a plunger cylinder (12) inside the regulating and controlling device (7) is fixedly connected with the central face of one end of the protective cover (11).

4. The substation fire safety monitoring and early warning device of claim 3, characterized in that: the limiting frame (24) is fixedly sleeved on the outer surface of the upper portion of the supporting rod (10) through the sleeving hole (21), the distance between the bottom end of the temperature sensor rod (26) and the top surface of the transformer (4) is two centimeters, and the outer surface of the top of the stepping motor (19) is fixedly connected with the outer surface of the middle portion of one end of the protective cover (11).

5. The substation fire safety monitoring and early warning device of claim 4, characterized in that: the driving gear (18) is rotationally connected with a driven gear (23) at the center of one end of the limiting frame (24) through a first transmission belt (17) on the outer surface.

6. The substation fire safety monitoring and early warning device of claim 5, characterized in that: the carbon dioxide nozzle (9) is fixed at the bottom of the carbon dioxide fire extinguishing tank (6) and is positioned right above the transformer (4), and the protective cover (11) is fixedly connected with the upper surface of the support frame (5) through the support rods (10) at the four corners of the bottom.

7. The substation fire safety monitoring and early warning device of claim 6, characterized in that: the second driving belt (20) is arranged inside the limiting frame (24) and is positioned at the peripheral edge right above the transformer (4).

8. The substation fire safety monitoring and early warning device of claim 7, characterized in that: the bottom welding of the inside bracing piece (10) of fire control monitoring and early warning device (2) has link (29), the inside center screwed connection of link (29) has threaded rod (30), the bottom fixedly connected with second driving motor (27) of threaded rod (30), the bottom four corners edge screwed connection of second driving motor (27) has fastening screw (28).

Technical Field

The invention relates to the technical field of transformer substation fire fighting equipment, in particular to transformer substation fire safety monitoring and early warning equipment.

Background

According to the Chinese patent No. CN202022032117.1, the invention relates to the technical field of fire safety, in particular to a transformer substation fire safety monitoring device, which can be used for coping with fire accidents in a short time, preventing the fire accidents from further expanding, reducing the economic loss and potential safety hazards and improving the practicability; including the transformer substation's studio, the storehouse of putting out a fire, a pedestal, the booster pump, and a support, first pipeline, the second pipeline, the third pipeline, multiunit branch, access hole and controller, the inside of transformer substation's studio is provided with the inner room, the top of base is provided with the fixed slot, the storehouse of putting out a fire is installed inside the fixed slot on base top, the inside in storehouse of putting out a fire is provided with the cavity, the booster pump passes through the right-hand member of support mounting at the storehouse of putting out a fire, the cavity in booster pump and the storehouse of putting out a fire is through first pipeline intercommunication, the top intercommunication in storehouse of putting out a fire is provided with first feed inlet, the bottom of second pipeline and the cavity left end intercommunication in storehouse of putting out a fire.

The transformer substation is used for converting voltage and current in an electric power system, receiving electric energy and distributing the electric energy, the transformer substation in the power plant is a boosting transformer substation, the boosting transformer substation is used for boosting the electric energy sent by a generator and then feeding the electric energy into a high-voltage power grid, and the transformer substation needs to continuously transmit the electric energy into the high-voltage power grid, so that the temperature of electric parts in the transformer substation is increased, fire disasters occur due to the fact that the temperature of the electric parts is too high, the transformer substation is damaged, the electric energy is influenced in supporting and transmitting, and therefore in order to reduce the occurrence of the fire disasters and the damage degree of the electric parts, fire safety monitoring and early warning equipment of the transformer substation needs to be used, and the fire situations can be controlled in time.

However, the existing substation fire safety monitoring and early warning equipment still has some disadvantages in the using process, such as: the fire safety monitoring and early warning equipment of the existing transformer substation only can play a role of alarming, can not play a role of fire extinguishing well, and can not carry out fixed-point stable monitoring on the top of a transformer inside the transformer substation, so that the temperature condition of the transformer can not be known in time, and the fire safety monitoring and early warning equipment of the transformer substation is needed to solve the problem provided in the above.

Disclosure of Invention

The invention aims to provide a transformer substation fire safety monitoring and early warning device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a transformer substation fire safety monitoring and early warning device comprises a power transformation group and a fire monitoring and early warning device, wherein the fire monitoring and early warning device is fixedly installed at the top end of the power transformation group, the power transformation group comprises a warning lamp, a transformer and a support frame, the transformer is uniformly and fixedly installed on the upper surface of the support frame, and the warning lamp is uniformly and fixedly installed on the upper surface of the support frame and positioned at the edges of two sides of the transformer;

the fire protection monitoring and early warning device comprises a carbon dioxide fire extinguishing tank, a regulating and controlling device, a temperature monitoring device, a carbon dioxide nozzle, a supporting rod and a protective cover, wherein the carbon dioxide nozzle is uniformly and fixedly arranged on the outer surface of the bottom of the carbon dioxide fire extinguishing tank;

the inner part of the regulating device comprises a plunger cylinder, a plugging head, a connecting rod, a limiting guide rod and a push-pull rod, wherein the push-pull rod is fixedly connected to the center of one end of the plunger cylinder;

the temperature monitoring device comprises a first transmission belt, a driving gear, a stepping motor, a second transmission belt, a sleeving hole, a tensioning gear, a driven gear, a limiting frame, a storage battery and a temperature sensor rod, the top end of the driving gear is fixedly connected with the center of the bottom surface of the stepping motor, the center of the bottom surface of the driving gear is rotatably buckled on the upper surface of the center at one end of the limiting frame, the first transmission belt is rotatably sleeved on the outer surface of the driving gear, the driven gear is rotatably arranged on the central bottom surfaces of the two ends of the limiting frame, the tensioning gears are rotatably arranged at the four corner edges of the bottom surface of the limiting frame, the sleeving holes are formed at the four corner edges of the upper surface of the limiting frame, the second transmission belt is rotatably sleeved on the outer surfaces of the tension gear and the driven gear, the storage battery is fixedly installed on the outer surface of the second transmission belt, and the temperature sensor rod is fixedly connected to the center of the bottom surface of the storage battery.

Preferably, the outer surface of the upper part of the carbon dioxide nozzle is provided with a splicing hole, and the plugging head is spliced with the outer surface of the upper part of the carbon dioxide nozzle through the splicing hole.

Preferably, the top end of the carbon dioxide nozzle is communicated with the inside of the carbon dioxide fire extinguishing tank, and a plunger cylinder inside the regulating and controlling device is fixedly connected with the central plane of one end of the protective cover.

Preferably, the limiting frame is fixedly sleeved on the outer surface of the upper part of the supporting rod through a sleeving hole, the distance between the bottom end of the temperature sensor rod and the top surface of the transformer is two centimeters, and the outer surface of the top of the stepping motor is fixedly connected with the outer surface of the middle part of one end of the protective cover.

Preferably, the driving gear is rotatably connected with a driven gear at the center of one end of the limiting frame through a first transmission belt on the outer surface.

Preferably, the carbon dioxide nozzle is fixed at the bottom of the carbon dioxide fire extinguishing tank and is located directly over the transformer, and the protective cover is fixedly connected with the upper surface of the supporting frame through the supporting rods at four corners of the bottom.

Preferably, the second driving belt is arranged inside the limiting frame and is positioned at the peripheral edge right above the transformer.

Preferably, the bottom welding of fire control monitoring and early warning device's inside bracing piece has the link, the inside center screwed connection of link has the threaded rod, the bottom fixedly connected with second driving motor of threaded rod, second driving motor's bottom four corners edge screwed connection has fastening screw.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the carbon dioxide fire extinguishing tank is arranged at the top of the transformer, so that a fire source at the top of the transformer can be timely extinguished, the damage degree to the transformer is reduced, the carbon dioxide fire extinguishing agent in the carbon dioxide fire extinguishing tank can be controlled by the regulating and controlling device, the carbon dioxide fire extinguishing agent can be timely controlled to be sprayed out from the inside of the carbon dioxide fire extinguishing tank to extinguish the transformer, and the temperature monitoring device can be used for circularly monitoring a local high-temperature area at the top of the transformer when in operation, so that the temperature condition of the transformer can be timely fed back.

When the threaded rod is driven to rotate forwards by the second driving motor, the connecting frame can slide downwards on the outer surface of the threaded rod, so that the distance between the bottom surface of the fire monitoring and early warning device and the top surface of the transformer is shortened, when the threaded rod rotates reversely, the connecting frame can slide upwards on the outer surface of the threaded rod, so that the distance between the bottom surface of the fire-fighting monitoring and early-warning device and the top surface of the transformer is enlarged, therefore, the installation height of the fire-fighting monitoring and early-warning device can be quickly adjusted by controlling the forward and reverse rotation of the second driving motor, thereby leading the fire-fighting monitoring and early-warning device to reach the proper installation height, and the temperature of the transformer can be monitored in real time by installing the fire-fighting monitoring and early-warning device on the top of the transformer, meanwhile, when the transformer is in fire, the fire monitoring and early warning device can continue to extinguish the fire to reduce the damage degree of the transformer.

Drawings

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

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a bottom view of the main body of the present invention;

FIG. 3 is a schematic diagram of a power transformation module according to the present invention;

FIG. 4 is a schematic structural view of the fire monitoring and early warning device of the present invention;

FIG. 5 is a sectional view of the fire monitoring and early warning device of the present invention;

FIG. 6 is a schematic structural diagram of a control device according to the present invention;

FIG. 7 is a schematic structural diagram of a temperature monitoring device according to the present invention;

fig. 8 is a schematic structural view of a fire monitoring and early warning device according to a second embodiment of the present invention.

In the figure: 1-transformer group, 2-fire monitoring and early warning device, 3-warning lamp, 4-transformer, 5-support frame, 6-carbon dioxide fire extinguishing tank, 7-regulation and control device, 8-temperature monitoring device, 9-carbon dioxide nozzle, 10-support rod, 11-protective cover, 12-plunger cylinder, 13-sealing head, 14-connecting rod, 15-limit guide rod, 16-push-pull rod, 17-first transmission belt, 18-driving gear, 19-stepping motor, 20-second transmission belt, 21-socket hole, 22-tension gear, 23-driven gear, 24-limit frame, 25-storage battery, 26-temperature sensor rod, 27-second driving motor, 28-fastening screw, 28-temperature sensor rod, 29-connecting frame, 30-threaded rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is further described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1-7, an embodiment of the present invention is shown: a transformer substation fire safety monitoring and early warning device comprises a power transformation group 1 and a fire monitoring and early warning device 2, wherein the fire monitoring and early warning device 2 is fixedly installed at the top end of the power transformation group 1, a warning lamp 3, a transformer 4 and a support frame 5 are arranged in the power transformation group 1, the transformer 4 is uniformly and fixedly installed on the upper surface of the support frame 5, and the warning lamp 3 is uniformly and fixedly installed on the upper surface of the support frame 5 and is positioned at the edges of two sides of the transformer 4;

the fire monitoring and early warning device 2 comprises a carbon dioxide extinguishing tank 6, a regulating device 7, a temperature monitoring device 8, a carbon dioxide nozzle 9, a support rod 10 and a protective cover 11, wherein the carbon dioxide nozzle 9 is uniformly and fixedly arranged on the outer surface of the bottom of the carbon dioxide extinguishing tank 6, the protective cover 11 is welded on the outer surface of the carbon dioxide extinguishing tank 6, the regulating device 7 is fixedly arranged at the center of one end in the protective cover 11, the support rods 10 are uniformly welded on the edges of four corners of the bottom surface of the protective cover 11, and the temperature monitoring device 8 is fixedly arranged on the outer surface of the support rod 10 at the bottom of the protective cover 11;

the inside of the regulating device 7 comprises a plunger cylinder 12, a plugging head 13, a connecting rod 14, a limiting guide rod 15 and a push-pull rod 16, wherein the push-pull rod 16 is fixedly connected to the center of one end of the plunger cylinder 12, the limiting guide rods 15 are symmetrically welded on the outer surface of the edge of one end of the push-pull rod 16, the connecting rod 14 is uniformly welded on the outer surface of the limiting guide rod 15, and the plugging head 13 is welded on the outer surface of the middle part of the connecting rod 14;

the temperature monitoring device 8 comprises a first transmission belt 17, a driving gear 18, a stepping motor 19, a second transmission belt 20, a sleeving hole 21, a tensioning gear 22, a driven gear 23, a limiting frame 24, a storage battery 25 and a temperature sensor rod 26, wherein the top end of the driving gear 18 is fixedly connected to the center of the bottom surface of the stepping motor 19, the center of the bottom surface of the driving gear 18 is rotatably fastened to the upper surface of the center of one end of the limiting frame 24, the first transmission belt 17 is rotatably sleeved on the outer surface of the driving gear 18, the driven gear 23 is rotatably installed on the bottom surfaces of the centers of two ends of the limiting frame 24, the tensioning gear 22 is rotatably installed on the four corner edges of the bottom surface of the limiting frame 24, the sleeving hole 21 is formed in the four corner edges of the upper surface of the limiting frame 24, the second transmission belt 20 is rotatably sleeved on the outer surfaces of the tensioning gear 22 and the driven gear 23, and the storage battery 25 is fixedly installed on the outer surface of the second transmission belt 20, the temperature sensor rod 26 is fixedly attached to the center of the bottom surface of the battery 25.

The spliced eye has been seted up to the upper portion surface of carbon dioxide nozzle 9, can be convenient for control the carbon dioxide fire extinguishing agent of carbon dioxide fire extinguishing jar 6 inside, and shutoff head 13 pegs graft mutually through the upper portion surface of spliced eye with carbon dioxide nozzle 9, can carry out the shutoff to carbon dioxide nozzle 9's nozzle.

The top of carbon dioxide nozzle 9 is linked together with the inside of carbon dioxide jar 6 that goes out, and the inside plunger cylinder 12 of regulation and control device 7 is connected with the one end central plane looks fixed connection of protection casing 11 to avoid plunger cylinder 12's position to rock the influence and drive spacing guide arm 15 and normally slide.

The limiting frame 24 is fixedly sleeved on the outer surface of the upper part of the supporting rod 10 through the sleeving hole 21, the bottom end of the temperature sensor rod 26 is two centimeters away from the top surface of the transformer 4, and the outer surface of the top of the stepping motor 19 is fixedly connected with the outer surface of the middle part of one end of the protective cover 11, so that the position stability of the stepping motor 19 can be ensured.

The driving gear 18 is rotatably connected with a driven gear 23 at the center of one end of the limit frame 24 through a first transmission belt 17 on the outer surface, so that the second transmission belt 20 at the bottom of the limit frame 24 can be driven to synchronously rotate.

Carbon dioxide nozzle 9 is fixed in the bottom of carbon dioxide jar 6 of putting out a fire and is located transformer 4 directly over, can make carbon dioxide fire extinguishing agent accurately spray the top of transformer 4 and put out a fire, and protection casing 11 is through the upper surface looks fixed connection of bracing piece 10 and support frame 5 in bottom four corners to can carry out the outrigger to fire control monitoring early warning device 2.

The second belt 20 is located inside the spacing frame 24 and at the peripheral edge right above the transformer 4, so as to drive the temperature sensor rod 26 of the outer surface to rotate circularly at the upper edge of the transformer 4, so that the edge monitors the temperature of the top of the transformer 4.

In the implementation of the embodiment, the rotation operation of the stepping motor 19 is controlled, the second transmission belt 20 can rotate in the upper mechanical energy circulation step-by-step mode of the transformer 4, so that the temperature sensor rod 26 at the bottom end of the storage battery 25 can perform positioning and temperature measurement on the outer surface of the upper part of the transformer 4, the temperature condition of the transformer 4 can be fed back timely, when a fire breaks out at the top of the transformer 4, the plunger cylinder 12 is controlled to drive the push-pull rod 16 at one end to perform sliding operation, so that the limiting guide rod 15 drives the inner blocking heads 13 to be separated from the inner ends of the upper part of the carbon dioxide nozzles 9 respectively, and the carbon dioxide extinguishing agent in the carbon dioxide extinguishing tank 6 is sprayed out to extinguish the top of the transformer 4.

Example 2

On the basis of embodiment 1, as shown in fig. 8, a connecting frame 29 is welded at the bottom end of the inner supporting rod 10 of the fire monitoring and early warning device 2, a threaded rod 30 is spirally connected at the center of the inside of the connecting frame 29, a second driving motor 27 is fixedly connected at the bottom end of the threaded rod 30, and fastening screws 28 are spirally connected at four corners of the bottom of the second driving motor 27.

This embodiment is when implementing, when driving threaded rod 30 through second driving motor 27 and carrying out forward rotation, can make link 29 at the surface lapse of threaded rod 30, thereby shorten the distance between 2 bottom surfaces of fire control monitoring and early warning device and the transformer 4 top surface, when threaded rod 30 reverse rotation, can make link 29 upwards slide at the surface of threaded rod 30, thereby enlarge the distance between 2 bottom surfaces of fire control monitoring and early warning device and the transformer 4 top surface, so through the positive and negative rotation of control second driving motor 27, can carry out quick adjustment to fire control monitoring and early warning device 2's mounting height, thereby make fire control monitoring and early warning device 2 reach suitable mounting height.

The working principle is as follows: when the transformer station operates, the transformer 4 inside the transformer station operates synchronously, when the transformer 4 operates, the fire monitoring and early warning device 2 needs to monitor the top of the transformer 4, the stepping motor 19 operates in a rotating manner, and simultaneously drives the driving gear 18 at the bottom end to rotate by a set angle, and when the driving gear 18 rotates, the driving gear 17 at the outer surface drives the driven gear 23 to rotate synchronously, and when the driven gear 23 rotates, the driving gear drives the second driving belt 20 at the outer surface to rotate, and when the second driving belt 20 rotates, the storage battery 25 at the outer surface is driven to rotate synchronously, and the storage battery 25 drives the temperature sensor rod 26 at the bottom end to rotate synchronously at the upper edge of the transformer 4, wherein when the driving gear 18 rotates by a set angle, the temperature sensor rod 26 can move to an area with high temperature at the top of the transformer 4 for monitoring, then the stepping motor 19 will continue to rotate, thereby controlling the temperature sensor rod 26 to circularly rotate at the upper edge of the transformer 4, when the temperature of the transformer 4 continuously rises, the transformer 4 can be controlled in time, when a fire breaks out at the top of the transformer 4, the temperature sensor rod 26 will transmit the monitored information to the control center, then the control center controls the warning lamp 3 to start an alarm through an electric signal, meanwhile, the control center controls the plunger cylinder 12 to operate through the electric signal, thereby enabling the plunger cylinder 12 to drive the limit guide rod 15 to slide through the push-pull rod 16, when the limit guide rod 15 transversely slides, the connecting rod 14 will drive the blocking head 13 to transversely slide in the inner part of the insertion hole at the upper part of the carbon dioxide nozzle 9, thereby enabling the carbon dioxide extinguishing agent in the carbon dioxide extinguishing tank 6 to be sprayed out through the carbon dioxide nozzle 9, the carbon dioxide nozzle 9 is positioned right above the transformer 4, so that the concentration of oxygen in a combustion area at the top of the transformer 4 can be rapidly reduced by the sprayed carbon dioxide extinguishing agent, when the concentration of carbon dioxide at the top of the transformer 4 reaches a sufficient concentration, flames at the top of the transformer 4 can be choked to extinguish, simultaneously, liquid carbon dioxide can be rapidly gasified, and a large amount of heat can be absorbed in a short time, so that a certain cooling effect can be exerted on the combustion area at the top of the transformer 4, the fire can be also favorably extinguished, after the fire is extinguished at the top of the transformer 4, the plunger cylinder 12 can operate to drive the push-pull rod 16 to retract and slide, meanwhile, the push-pull rod 16 can drive the sealing head 13 inside to slide and reset through the limiting guide rod 15, so that the sealing head 13 is inserted into the insertion hole on the outer surface of the upper part of the carbon dioxide nozzle 9, the carbon dioxide nozzle 9 stops spraying the carbon dioxide extinguishing agent, wherein when adjusting fire prevention monitoring and early warning device 2's mounting height, can control second driving motor 27 slow rotation operation, second driving motor 27 can drive the synchronous slow rotation of threaded rod 30 at top simultaneously, and threaded rod 30 is in the positive and negative rotation while, can drive the whole lift of fire prevention monitoring and early warning device 2 through link 29, thereby adjust fire prevention monitoring and early warning device 2's height, make fire prevention monitoring and early warning device 2 arrive suitable height at transformer 4's top, through mounting fire prevention monitoring and early warning device 2 at transformer 4's top, can play real-time supervision to transformer 4's temperature, simultaneously when transformer 4 breaks out the fire, fire prevention monitoring and early warning device 2 can in time continue to put out a fire to the fire source, thereby reduce transformer 4's damage degree.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.