Power distribution cabinet with temperature control self-adaptive fire extinguishing

Abstract

A power distribution cabinet with temperature control self-adaptive fire extinguishing, the power distribution cabinet comprises a cabinet body, a cover body, an infrared thermal imager, a smoke sensor, a cooling fan, a first fire extinguishing assembly and a second fire extinguishing assembly, the cover body is hinged to the cabinet body, the infrared thermal imager is installed on the cover body to detect the temperature of the electrical components in the cabinet body, the smoke sensor is installed on the top of the cabinet body to detect the smoke gas in the cabinet body, the side of the cabinet body is provided with a cooling hole, the cooling fan is installed at the cooling hole, the first fire extinguishing assembly comprises a fire extinguishing tank and a spray pipe, the fire extinguishing tank is installed at the bottom of the cabinet body, one end of the spray pipe is communicated with the fire extinguishing tank, the other end of the spray pipe penetrates through the top of the cabinet body to spray fire extinguishing material into the cabinet body, the second fire extinguishing assembly comprises a fire blanket, a connecting frame and a driving module, the driving module is connected with the fire blanket through the connecting frame to drive the fire blanket to cover the electrical components.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of power distribution cabinet, in particular to a power distribution cabinet with temperature control and adaptive fire extinguishing. BACKGROUND

[0002] The power distribution cabinet is a common power distribution equipment in industrial, commercial and residential buildings, and its safe operation is crucial. However, the electrical components inside the power distribution cabinet may generate high temperature due to overload, short circuit, poor contact and other faults during long-term operation. Once the temperature is out of control, it is easy to cause fire, which can cause great loss to the surrounding equipment, personnel safety and production and life. The traditional power distribution cabinet is usually equipped with only a simple temperature alarm device, which cannot effectively prevent and extinguish fire. When a fire occurs in the power distribution cabinet, it mainly relies on manual holding of fire extinguishers for extinguishing. This method has obvious hysteresis and is difficult to quickly and effectively contain the spread of fire in the early stage of fire. Although some power distribution cabinets are equipped with automatic fire extinguishing devices, most of them are triggered based on simple smoke sensing or fixed temperature threshold, and lack precise adaptive control capability for complex temperature changes inside the power distribution cabinet. For example, when the power distribution cabinet temporarily appears a small range of high temperature anomaly, which has not reached a dangerous level that can cause fire, the existing device may be misstarted, causing unnecessary waste of fire extinguishing agent. In the rapid development stage of fire, if the fire extinguishing strategy cannot be dynamically adjusted according to the fire and temperature, it is also difficult to efficiently extinguish the fire, which cannot meet the needs of power distribution cabinet safety protection. In view of this, the present application is proposed. SUMMARY

[0003] In order to solve the problem that the existing power distribution cabinet cannot adjust the temperature and extinguish the fire according to the actual situation, the present application provides a power distribution cabinet with temperature control and adaptive fire extinguishing.

[0004] In order to solve the above technical problems, the present application provides a power distribution cabinet with temperature control and adaptive fire extinguishing. The power distribution cabinet comprises a cabinet body, a cover body, an infrared thermal imager, a smoke sensor, a cooling fan, a first fire extinguishing assembly and a second fire extinguishing assembly. The cover body is hinged to the cabinet body. The infrared thermal imager is installed on the cover body to detect the temperature of the electrical components in the cabinet body. The smoke sensor is installed on the top of the cabinet body to detect the smoke gas in the cabinet body. Cooling holes are formed in the side of the cabinet body. The cooling fan is installed at the cooling holes. The first fire extinguishing assembly comprises a fire extinguishing tank and a spray pipe. The fire extinguishing tank is installed at the bottom of the cabinet body. One end of the spray pipe is communicated with the fire extinguishing tank, and the other end penetrates through the top of the cabinet body to spray fire extinguishing material into the cabinet body. The second fire extinguishing assembly comprises a fire blanket, a connecting frame and a driving module. The driving module is connected to the fire blanket through the connecting frame to drive the fire blanket to cover the electrical components.

[0005] The first fire extinguishing assembly further comprises a connecting bracket, a first electromagnet and a second electromagnet, the connecting bracket is fixedly connected with the bottom of the cabinet body, one side of the fire extinguishing tank is provided with a rotating hole rotatably connected with the connecting bracket, the first electromagnet is fixed to the other side of the fire extinguishing tank, and the second electromagnet is fixed to the bottom of the cabinet body and can be magnetically connected with the first electromagnet.

[0006] The bottom of the fire extinguishing tank is provided with a spraying insertion hole, the fire extinguishing tank is rotated around the connecting bracket after the first electromagnet and the second electromagnet are disconnected, the spraying insertion hole is connected with the spraying pipe after the fire extinguishing tank is rotated, and the spraying pipe sprays fire extinguishing materials into the cabinet body.

[0007] The spring is arranged between the fire extinguishing tank and the cabinet body, the spring is compressed when the first electromagnet and the second electromagnet are magnetically connected, and the spring releases elastic force and drives the fire extinguishing tank to rotate around the connecting bracket when the first electromagnet and the second electromagnet are disconnected.

[0008] The fire extinguishing tank comprises a first fire extinguishing tank and a second fire extinguishing tank arranged symmetrically, the first fire extinguishing tank is filled with inert gas, the second fire extinguishing tank is filled with fire extinguishing agent, the spraying pipe comprises a first spraying section, a second spraying section and a spraying connecting section, the spraying connecting section is installed at the top of the cabinet body, the bottom of the first spraying section is connected with the spraying insertion hole on the first fire extinguishing tank, the top of the first spraying section is connected with the spraying connecting section so that the spraying connecting section sprays inert gas, the bottom of the second spraying section is connected with the spraying insertion hole on the second fire extinguishing tank, and the top of the second spraying section is connected with the spraying connecting section so that the spraying connecting section sprays fire extinguishing agent.

[0009] In the embodiment of the application, the driving module comprises guide rods, transmission rods, a driving piece, a reverser, a first transmission gear and a second transmission gear, the guide rods are installed on both sides of the top of the cabinet body, the transmission rods are installed on both sides of the bottom of the cabinet body, the driving piece is installed on the bottom of the cabinet body and connected with the first transmission gear through the reverser, the second transmission gear is installed on the transmission rod and engaged with the first transmission gear, the transmission rods on both sides of the cabinet body are threadedly connected with the connecting frame on both sides of the bottom of the connecting frame, and the guide rods on both sides of the cabinet body are slidably connected with the connecting frame on both sides of the top of the connecting frame.

[0010] In the embodiment of the application, the surface of the cabinet body is provided with a sealing groove matched in size with the connecting frame, and the connecting frame inserted into the sealing groove can drive the fire extinguishing blanket to close the electrical element.

[0011] In the embodiment of the present application, the driving member is a double-shaft motor, and the commutators are respectively connected to two sides of the double-shaft motor and connected to the corresponding first transmission gears.

[0012] In the embodiment of the present application, the connecting bracket is sleeved on the output shaft of the double-shaft motor and fixedly connected to the bottom of the cabinet body.

[0013] In the embodiment of the present application, the power distribution cabinet further comprises a control module electrically connected with the infrared thermal imager, the smoke sensor, the heat dissipation fan, the first fire extinguishing assembly and the second fire extinguishing assembly, and the control module is configured to:

[0014] controlling the heat dissipation fan to execute a first fire extinguishing scheme when the infrared thermal imager detects high-temperature abnormities;

[0015] controlling the first fire extinguishing assembly to execute a second fire extinguishing scheme when the smoke sensor detects smoke abnormities;

[0016] controlling the second fire extinguishing assembly to execute a third fire extinguishing scheme when the infrared thermal imager detects open fire abnormities.

[0017] In the embodiment of the present application, the first fire extinguishing scheme is to control the heat dissipation fan to blow and dissipate heat into the cabinet body, the second fire extinguishing scheme is to control the fire extinguishing tank to spray fire extinguishing materials into the cabinet body, and the third fire extinguishing scheme is to control the driving module to cover the electrical elements with the fire blanket.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] By means of the infrared thermal imager and the smoke sensor, the temperature and the smoke in the cabinet body are detected, and the heat dissipation fan, the first fire extinguishing assembly and the second fire extinguishing assembly are used to perform different forms of fire extinguishing, so that the operating personnel can take corresponding fire extinguishing measures according to the actual situation of the power distribution cabinet, thereby achieving the control effect on the fire and avoiding unnecessary property losses caused by incorrect fire extinguishing measures.

[0020] Other features and advantages of the embodiments of the present application will be described in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0022] Figure 1A schematic structural view of a power distribution cabinet in a closed state according to an embodiment of the present application is provided.

[0023] Figure 2 A schematic structural view of a power distribution cabinet in an opened state according to an embodiment of the present application is provided.

[0024] Figure 3 A schematic structural view of a power distribution cabinet in a partially cutaway state according to an embodiment of the present application is provided.

[0025] Figure 4 A schematic structural view of a power distribution cabinet in a partially cutaway state according to an embodiment of the present application is provided. Figure 3 An enlarged view of A in FIG. 1.

[0026] In the drawings, the following notations are used:

[0027] 1, power distribution cabinet; 11, cabinet body; 12, cover body; 13, heat dissipation fan; 14, first fire extinguishing assembly; 15, second fire extinguishing assembly; 111, sealing groove; 141, first fire extinguishing tank; 142, second fire extinguishing tank; 143, injection pipe; 144, connecting bracket; 145, first electromagnet; 146, second electromagnet; 147, spring; 151, fire blanket; 152, connecting frame; 153, guide rod; 154, transmission rod; 155, driving member; 156, commutator; 157, first transmission gear; 158, second transmission gear. DETAILED DESCRIPTION

[0028] The terms "second direction", "first direction", "third direction", "inner", "outer", and the like, which indicate the description of the orientation or positional relationship, are understood to be based on the orientation or positional relationship shown in the drawings if no special description is given, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, if the features appearing with "first", "second" are only used for the purpose of description, they cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. The features limited by "first", "second" can explicitly or implicitly include at least one of the features limited by "first", "second". If "multiple" is described, it generally means at least two, such as two, three, etc., unless otherwise specifically limited.

[0030] In the present application, unless specifically defined otherwise, or the context clearly dictates otherwise, the terms "mounted", "connected", "linked", "engaged", "fixed", and the like, are to be construed in a non-limiting sense. For example, "fixed" can mean fixedly connected, removably connected, or integral; "connected" can mean directly connected, or indirectly connected via intervening elements; "engaged" can mean mechanically engaged, electrically engaged, or communicatively engaged; and "fixed" can mean fixedly connected, removably connected, or integral. The specific meaning of these terms will be apparent from the context in which they are used in relation to the present application.

[0031] In the description of the present application, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" are intended to indicate that the described implementation, implementation, example, or example is included in at least one implementation or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same implementation or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in any one or more implementations or examples. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0032] Reference Figures 1-4 , the present application is to solve the problems in the prior art, and provides a power distribution cabinet 1 with temperature control self-adaptive fire extinguishing. The power distribution cabinet 1 comprises: a cabinet body 11, a cover body 12, an infrared thermal imager, a smoke sensor, a cooling fan 13, a first fire extinguishing assembly 14 and a second fire extinguishing assembly 15. The cover body 12 is hinged to the cabinet body 11. The infrared thermal imager is installed on the cover body 12 to detect the temperature of the electrical components in the cabinet body 11. The smoke sensor is installed on the top of the cabinet body 11 to detect the smoke gas in the cabinet body 11. The side of the cabinet body 11 is provided with a cooling hole. The cooling fan 13 is installed at the cooling hole. The first fire extinguishing assembly 14 comprises a fire extinguishing tank and a spray pipe 143. The fire extinguishing tank is installed at the bottom of the cabinet body 11. One end of the spray pipe 143 is communicated with the fire extinguishing tank, and the other end penetrates through the top of the cabinet body 11 to spray fire extinguishing material into the cabinet body 11. The second fire extinguishing assembly 15 comprises a fire blanket 151, a connecting frame 152 and a driving module. The driving module is connected to the fire blanket 151 through the connecting frame 152 to drive the fire blanket 151 to cover the electrical components.

[0033] The cover 12 is connected with the cabinet 11 by hinging, so as to play a dustproof and waterproof role on the electrical components when the cover 12 is closed with the cabinet 11. The infrared thermal imager is installed on the cover 12 and faces the cabinet 11 to detect the temperature of the electrical components, so as to obtain the thermal images of the electrical components in the cabinet 11, so that the worker can determine whether the temperature of the electrical components is abnormal according to the thermal images, and further can help the worker to take cooling and fire extinguishing measures on the electrical components with abnormal temperature in time.

[0034] Similarly, the smoke sensor is installed on the top of the cabinet 11, so that when the electrical components in the cabinet 11 have high temperature abnormality and generate smoke, the smoke sensor is triggered to send a smoke alarm, so that the worker can take fire extinguishing measures on the power distribution cabinet 1 in time according to the smoke alarm.

[0035] In one example, when the infrared thermal imager detects that the temperature of the electrical components in the power distribution cabinet 1 exceeds a threshold value (such as 80℃), the worker can control the cooling fan 13 to blow air into the cabinet 11 through the cooling hole to cool down, according to the temperature detected by the infrared thermal imager, so as to prevent the temperature of the electrical components from rising further to cause a fire.

[0036] When the smoke sensor detects that the smoke concentration exceeds a threshold value (such as 500ppm), the worker can control the first fire extinguishing assembly 14 to extinguish the fire according to the smoke concentration detected by the smoke sensor, that is, control the fire extinguishing tank to spray fire extinguishing material into the cabinet 11 through the spray pipe 143, so as to play a role in inhibiting the smoke and avoiding the smoke concentration from further increasing to cause a fire.

[0037] When the infrared thermal imager detects an open flame (temperature rises sharply and the thermal image shows flame characteristics), the worker can control the second fire extinguishing assembly 15 to extinguish the fire, that is, control the driving module to drive the connecting frame 152 to move, so that the fire blanket 151 moves synchronously with the connecting frame 152 and covers the electrical components, so as to achieve the purpose of extinguishing the fire and prevent the fire from further intensifying to cause more serious loss.

[0038] In the embodiment of the application, the driving module includes a guide rod 153, a transmission rod 154, a driving piece 155, a commutator 156, a first transmission gear 157 and a second transmission gear 158. The guide rod 153 is installed on both sides of the top of the cabinet 11, the transmission rod 154 is installed on both sides of the bottom of the cabinet 11, the driving piece 155 is installed on the bottom of the cabinet 11 and connected with the first transmission gear 157 through the commutator 156, the second transmission gear 158 is installed on the transmission rod 154 and engaged with the first transmission gear 157, and the connecting frame 152 is threadedly connected with the transmission rods 154 on both sides of the cabinet 11 and slidably connected with the guide rods 153 on both sides of the cabinet 11 at the top of the connecting frame 152.

[0039] When the infrared thermal imager detects the open fire, the driving member 155 drives the commutator 156 to drive the first transmission gear 157 to rotate, and the second transmission gear 158 is driven to rotate by the first transmission gear 157, and the transmission rod 154 rotates with the second transmission gear 158. Since the connecting frame 152 is threadedly connected with the transmission rod 154, and the connecting frame 152 is slidingly connected with the guide rod 153, the connecting frame 152 can be driven to move horizontally on the transmission rod 154 when the transmission rod 154 rotates, and the guide rod 153 guides the connecting frame 152 to ensure that the connecting frame 152 drives the fire blanket 151 to move smoothly. When the connecting frame 152 drives the fire blanket 151 to cover the electrical components and adhere to the cabinet 11, the fire blanket 151 can cover the open fire under the action of the fire blanket 151, thereby achieving the effect of extinguishing the fire, avoiding further aggravation of the fire and causing greater losses.

[0040] In the embodiment of the present application, the surface of the cabinet 11 is provided with a sealing groove 111 matched in size with the connecting frame 152. The connecting frame 152 inserted into the sealing groove 111 can drive the fire blanket 151 to seal the electrical components, so as to further enhance the sealing effect of the fire blanket 151 covering the electrical components under the cooperation of the sealing groove 111 and the connecting frame 152, and further improve the fire extinguishing effect of the fire blanket 151.

[0041] In the embodiment of the present application, the driving member 155 is a double-shaft motor, the commutator 156 is connected to both sides of the double-shaft motor and connected with the corresponding first transmission gear 157, so as to drive both sides of the connecting frame 152 to move synchronously under the action of one driving member 155, and further enhance the movement stability of the connecting frame 152 under the action of the guide rods 153 on both sides, so as to ensure the sealing effect of the connecting frame 152 driving the fire blanket 151 to cover the electrical components, and improve the fire extinguishing effect of the fire blanket 151.

[0042] In the embodiment of the present application, the first fire extinguishing assembly 14 further comprises a connecting bracket 144, a first electromagnet 145 and a second electromagnet 146. The connecting bracket 144 is sleeved on the output shaft of the double-shaft motor and fixedly connected with the bottom of the cabinet 11. A rotating hole is formed in one side of the fire extinguishing tank and rotatably connected with the connecting bracket 144. The first electromagnet 145 is fixed to the other side of the fire extinguishing tank. The second electromagnet 146 is fixed to the bottom of the cabinet 11 and can be magnetically connected with the first electromagnet 145.

[0043] One side of the fire extinguishing tank is rotationally connected with the connecting bracket 144, a first electromagnet 145 is arranged at the other end of the fire extinguishing tank, a second electromagnet 146 is arranged at the bottom of the cabinet 11, when the smoke sensor does not detect smoke or the smoke concentration is less than a threshold value, the first electromagnet 145 and the second electromagnet 146 are powered on and magnetically connected, so that the fire extinguishing tank is attached to the bottom of the cabinet 11, at this time, the operator can judge whether the power distribution cabinet 1 has generated smoke or fire by observing the position of the fire extinguishing tank when passing through the power distribution cabinet 1.

[0044] In the embodiment of the application, the bottom of the fire extinguishing tank is provided with a spray jack, after the first electromagnet 145 and the second electromagnet 146 are powered off and separated, the fire extinguishing tank is rotated around the connecting bracket 144, after the fire extinguishing tank is rotated, the spray jack is connected with the spray pipe 143 and the spray pipe 143 sprays the fire extinguishing material into the cabinet 11.

[0045] When the smoke sensor detects that the smoke concentration exceeds the threshold value, the first electromagnet 145 and the second electromagnet 146 are powered off, at this time, the fire extinguishing tank rotates around the connecting bracket 144 under the action of gravity, the rotated fire extinguishing tank contacts the spray pipe 143 and the spray pipe 143 is inserted into the spray jack, at this time, the fire extinguishing material in the fire extinguishing tank can be sprayed out through the spray pipe 143, so that the fire extinguishing material plays a role of extinguishing the fire of the power distribution cabinet 1.

[0046] In the embodiment of the application, a spring 147 is arranged between the fire extinguishing tank and the cabinet 11, the spring 147 is compressed when the first electromagnet 145 and the second electromagnet 146 are magnetically connected, when the first electromagnet 145 and the second electromagnet 146 are powered off and separated, the spring 147 releases the elastic force and pushes the fire extinguishing tank to rotate around the connecting bracket 144, so as to increase the rotating degree of the fire extinguishing tank when the fire extinguishing tank is separated from the bottom of the cabinet 11, avoiding the situation that the spray pipe 143 cannot be inserted into the spray jack due to the small rotating degree of the fire extinguishing tank under the action of gravity when the fire extinguishing tank rotates from the bottom of the cabinet 11, and further avoiding the situation that the fire extinguishing material in the fire extinguishing tank cannot be sprayed out from the spray pipe 143.

[0047] In the embodiment of the application, the fire extinguishing tank includes a first fire extinguishing tank 141 and a second fire extinguishing tank 142 which are symmetrically arranged, the first fire extinguishing tank 141 is filled with inert gas, the second fire extinguishing tank 142 is filled with fire extinguishing agent, the spray pipe 143 includes a first spray section, a second spray section and a spray connecting section, the spray connecting section is installed at the top of the cabinet 11, the bottom of the first spray section is connected with the spray jack on the first fire extinguishing tank 141, the top of the first spray section is connected with the spray connecting section so that the spray connecting section sprays the inert gas, the bottom of the second spray section is connected with the spray jack on the second fire extinguishing tank 142, and the top of the second spray section is connected with the spray connecting section so that the spray connecting section sprays the fire extinguishing agent.

[0048] The first fire extinguishing tank 141 and the second fire extinguishing tank 142 are symmetrically arranged at the bottom of the cabinet body 11, the first fire extinguishing tank 141 is filled with inert gas, and the second fire extinguishing tank 142 is filled with fire extinguishing agent, so that when the smoke sensor detects that the smoke concentration in the cabinet body 11 exceeds a threshold value, the first electromagnet 145 on the first fire extinguishing tank 141 is first triggered to be powered off, so that the first fire extinguishing tank 141 rotates around the connecting bracket 144 and is connected with the spray pipe 143, so that the spray pipe 143 sprays inert gas into the cabinet body 11, reduces the oxygen content of the air in the cabinet body 11, and avoids the smoke from further intensifying to cause a fire.

[0049] When the inert gas in the first fire extinguishing tank 141 is sprayed out and the smoke concentration in the cabinet body 11 further intensifies and produces an open fire, at this time, the connecting frame 152 is driven by the driving module to move towards the cabinet body 11, and the fire blanket 151 covers the electrical components, so that the electrical components are isolated from air under the action of the fire blanket 151, thereby achieving the purpose of suppressing the open fire. Subsequently, the infrared thermal imager detects whether the open fire is suppressed by detecting the temperature change trend of the fire blanket 151, when it is detected that the temperature of the fire blanket 151 rises for a period of time and then gradually decreases, it is determined that the open fire has been suppressed, when it is detected that the temperature of the fire blanket 151 gradually rises and the temperature exceeds a threshold value, it is determined that the open fire has not been suppressed by the fire blanket 151, at this time, the connecting frame 152 and the fire blanket 151 are driven by the driving module to move away from the electrical components, and the second electromagnet 146 on the second fire extinguishing tank 142 is triggered to be powered off, so that the second fire extinguishing tank 142 rotates around the connecting bracket 144 and is connected with the spray pipe 143, so that the spray pipe 143 sprays fire extinguishing agent into the cabinet body 11, so as to suppress the open fire again under the action of the fire extinguishing agent, thereby achieving the effect of extinguishing the open fire. Finally, when the fire extinguishing agent is sprayed out, the control module drives the connecting frame 152 to cover the electrical components with the fire blanket 151, so as to avoid the electrical components from reigniting. At the same time, when the operating personnel pass through the power distribution cabinet 1, by observing the positions of the first fire extinguishing tank 141 and the second fire extinguishing tank 142, that is, the first fire extinguishing tank 141 and the second fire extinguishing tank 142 are both in the open state, it can be determined that the current power distribution cabinet 1 has experienced a fire, so as to facilitate the operating personnel to overhaul the electrical components in the power distribution cabinet 1, and to timely fill the fire extinguishing materials in the first fire extinguishing tank 141 and the second fire extinguishing tank 142, so as to facilitate the use of fire extinguishing next time.

[0050] In the embodiment of the application, the power distribution cabinet 1 further comprises a control module, the control module is electrically connected with the infrared thermal imager, the smoke sensor, the heat dissipation fan 13, the first fire extinguishing assembly 14 and the second fire extinguishing assembly 15, and the control module is configured to:

[0051] control the heat dissipation fan 13 to execute the first fire extinguishing scheme when the infrared thermal imager detects high-temperature abnormities;

[0052] controlling the first fire extinguishing assembly 14 to execute a second fire extinguishing scheme when the smoke sensor detects smoke anomaly;

[0053] controlling the second fire extinguishing assembly 15 to execute a third fire extinguishing scheme when the infrared thermal imager detects open flame anomaly.

[0054] In the embodiments of the present application, the first fire extinguishing scheme is to control the heat dissipation fan 13 to blow heat dissipation into the cabinet 11; the second fire extinguishing scheme is to control the fire extinguishing tank to spray fire extinguishing material into the cabinet 11; and the third fire extinguishing scheme is to control the drive module to drive the fire blanket 151 to cover the electrical components, so as to achieve the purpose of self-adaptive fire extinguishing according to the actual situation of the power distribution cabinet 1, and avoid unnecessary waste and inefficient fire extinguishing caused by incorrect fire extinguishing measures.

[0055] The technical features described above can be combined arbitrarily. Although all possible combinations of these technical features are not described, any combination of these technical features should be considered to be covered by the present description, as long as there is no contradiction in such combination.

[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand: they can still adjust the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these adjustments or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A power distribution cabinet with temperature control self-adaptive fire extinguishing, characterized in that, The power distribution cabinet comprises a cabinet body, a cover body, an infrared thermal imager, a smoke sensor, a heat dissipation fan, a first fire extinguishing assembly and a second fire extinguishing assembly, the cover body is hinged to the cabinet body, the infrared thermal imager is installed on the cover body to detect the temperature of electrical components in the cabinet body, the smoke sensor is installed on the top of the cabinet body to detect smoke gas in the cabinet body, heat dissipation holes are formed in the side of the cabinet body, the heat dissipation fan is installed at the heat dissipation holes, the first fire extinguishing assembly comprises a fire extinguishing tank and a spray pipe, the fire extinguishing tank is installed at the bottom of the cabinet body, one end of the spray pipe is communicated with the fire extinguishing tank, and the other end of the spray pipe penetrates through the top of the cabinet body to spray fire extinguishing material into the cabinet body, the second fire extinguishing assembly comprises a fire blanket, a connecting frame and a driving module, the driving module is connected to the fire blanket through the connecting frame to drive the fire blanket to cover the electrical components; The first fire extinguishing assembly further comprises a connecting bracket, a first electromagnet and a second electromagnet, the connecting bracket is fixedly connected to the bottom of the cabinet body, a rotating hole is formed in one side of the fire extinguishing tank and rotatably connected to the connecting bracket, the first electromagnet is fixed to the other side of the fire extinguishing tank, and the second electromagnet is fixed to the bottom of the cabinet body and magnetically connected to the first electromagnet; The bottom of the fire extinguishing tank is provided with a spray socket, the first electromagnet and the second electromagnet are separated after being powered off, the fire extinguishing tank is rotated around the connecting bracket, the spray socket is connected to the spray pipe after the fire extinguishing tank is rotated, and the spray pipe sprays fire extinguishing material into the cabinet body; A spring is arranged between the fire extinguishing tank and the cabinet body, the spring is compressed when the first electromagnet and the second electromagnet are magnetically connected, and the spring releases elastic force and drives the fire extinguishing tank to rotate around the connecting bracket when the first electromagnet and the second electromagnet are powered off and separated; The fire extinguishing tank comprises a first fire extinguishing tank and a second fire extinguishing tank arranged symmetrically, the first fire extinguishing tank is filled with inert gas, the second fire extinguishing tank is filled with fire extinguishing agent, the spray pipe comprises a first spray section, a second spray section and a spray connecting section, the spray connecting section is installed at the top of the cabinet body, the bottom of the first spray section is connected to the spray socket of the first fire extinguishing tank, the top of the first spray section is connected to the spray connecting section to make the spray connecting section spray inert gas, and the bottom of the second spray section is connected to the spray socket of the second fire extinguishing tank, and the top of the second spray section is connected to the spray connecting section to make the spray connecting section spray fire extinguishing agent.

2. The power distribution cabinet with temperature-controlled self-adaptive fire extinguishing according to claim 1, characterized in that, The driving module comprises guide rods, transmission rods, a driving member, a reversing device, a first transmission gear and a second transmission gear, the guide rods are installed on both sides of the top of the cabinet body, the transmission rods are installed on both sides of the bottom of the cabinet body, the driving member is installed on the bottom of the cabinet body and connected with the first transmission gear through the reversing device, the second transmission gear is installed on the transmission rod and engaged with the first transmission gear, the transmission rods on both sides of the bottom of the connecting frame are respectively threadedly connected with the transmission rods on both sides of the cabinet body, and the guide rods on both sides of the top of the connecting frame are respectively slidably connected with the guide rods on both sides of the cabinet body.

3. The power distribution cabinet with temperature-controlled self-adaptive fire extinguishing according to claim 2, characterized in that, The surface of the cabinet body is provided with a sealing groove matched in size with the connecting frame, and the connecting frame inserted into the sealing groove can drive the fire blanket to close the electrical components.

4. The power distribution cabinet with temperature-controlled self-adaptive fire extinguishing according to claim 2, characterized in that, The driving member is a double-shaft motor, and the reversing device is connected to both sides of the double-shaft motor and connected with the corresponding first transmission gear.

5. The power distribution cabinet with temperature-controlled self-adaptive fire extinguishing according to claim 4, characterized in that, The connecting bracket is sleeved on the output shaft of the double-shaft motor and fixedly connected with the bottom of the cabinet body.

6. The power distribution cabinet with temperature-controlled self-adaptive fire extinguishing according to claim 1, characterized in that, The power distribution cabinet further comprises a control module electrically connected with the infrared thermal imager, the smoke sensor, the heat dissipation fan, the first fire extinguishing assembly and the second fire extinguishing assembly, and the control module is configured to: control the heat dissipation fan to execute a first fire extinguishing scheme when the infrared thermal imager detects high-temperature abnormities; control the first fire extinguishing assembly to execute a second fire extinguishing scheme when the smoke sensor detects smoke abnormities; control the second fire extinguishing assembly to execute a third fire extinguishing scheme when the infrared thermal imager detects open fire abnormities.

7. The power distribution cabinet with temperature-controlled self-adaptive fire extinguishing according to claim 6, characterized in that, The first fire extinguishing scheme is to control the heat dissipation fan to blow and heat dissipate in the cabinet body, the second fire extinguishing scheme is to control the fire extinguishing tank to spray fire extinguishing materials in the cabinet body, and the third fire extinguishing scheme is to control the driving module to drive the fire blanket to cover the electrical components.

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