Power distribution cabinet with monitoring function

Abstract

The utility model discloses a power distribution cabinet with monitoring function belongs to power distribution cabinet technical field, including the cabinet main body, its inboard is provided with flame sensor and temperature sensor, top box, inside is provided with fire extinguishing agent storage jar, its mouth portion is connected with electromagnetic valve, fairing, it sets up in the cabinet main body inside top, and it includes distribution pipe, and the distribution pipe bottom is connected with distribution cover, and the lower end surface fixed mounting of distribution cover has the fairing. Its technical key points are: when the fire, the flame sensor can discover first time, and through the control electromagnetic valve opening mode to the cabinet release the carbon dioxide fire extinguishing agent that stores in fire extinguishing agent storage jar, carbon dioxide is in the process of flowing down, is in the distribution pipe in high pressure gas state, can be more evenly flow into the several independent fire extinguishing cavity in distribution cover, and subsequently flow out, under the guidance of fairing, vertical fall, can make the carbon dioxide that releases more evenly from the cabinet top falls down, avoids appearing the dead angle.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, specifically a power distribution cabinet with monitoring function. Background Technology

[0002] Distribution cabinets are key equipment in power systems used for distributing, controlling, and protecting electrical energy. They distribute electrical energy from upstream distribution equipment to nearby loads and have multiple protection functions such as overload, short circuit, and leakage protection. Internally, they contain electrical components such as circuit breakers, contactors, and relays, which, through proper layout and wiring, control the on / off state of the circuit. During use, distribution cabinets are prone to fire due to short circuits, overloads causing overheating, component aging and damage, poor contact generating electric sparks, external ignition sources, and dust accumulation encountering electric arcs. This can cause equipment and property damage, trigger regional power outages, disrupt production and daily life, and in critical locations, may even trigger more serious cascading effects.

[0003] Utility model CN221727766U discloses a power distribution cabinet with temperature monitoring function. This utility model includes a temperature monitoring box, specifically designed so that an alarm can be triggered at a set temperature via a control panel. A smart network terminal can remotely control the temperature monitoring box's operation. When the temperature is too high, an alarm light flashes and an alarm sounds, simultaneously sending an alarm remotely via the smart network terminal. This reduces the possibility of accidents caused by overheating of the power distribution box. It also includes a heat dissipation unit, specifically using condenser pipes to rapidly reduce the internal temperature of the power distribution box. An exhaust fan draws air out of the box, and the air is filtered through a filter to remove dust, providing powerful cooling and heat dissipation capabilities for the power distribution box.

[0004] Although the aforementioned distribution cabinet has temperature monitoring and alarm functions, and can cool down when the temperature is high through components such as condenser pipes and exhaust fans, these measures cannot extinguish the fire in time when the distribution cabinet catches fire. They can only serve as a warning to maintenance personnel. If the fire is not extinguished in time, the electrical components inside the distribution cabinet may be burned, and it may even spread to surrounding objects, causing serious damage. At the same time, it increases the difficulty of subsequent firefighting work. Therefore, in order to address the above problems, a distribution cabinet with monitoring function is proposed. Utility Model Content

[0005] To address the technical problem in comparative technologies that distribution cabinets cannot automatically extinguish fires inside in a timely manner, which can easily lead to the burning of electrical components inside the distribution cabinet due to delayed fire suppression, and may even cause serious damage to surrounding objects, this utility model provides a distribution cabinet with monitoring functions.

[0006] The technical solution adopted by the embodiments of this application to solve its technical problem is:

[0007] A power distribution cabinet with monitoring function includes a cabinet body with a mounting plate on the top inner side, a flame sensor installed at the bottom of the mounting plate, and temperature sensors installed inside both sides of the cabinet body; a top box installed on the top of the cabinet body, which houses a fire extinguishing agent storage tank, with a solenoid valve sealed to the opening of the fire extinguishing agent storage tank; and a flow guide hood located on the top inner side of the cabinet body, with both ends overlapping the mounting plate; wherein the flow guide hood includes a distribution pipe sealed to the output port of the solenoid valve, a distribution cover connected to the bottom of the distribution pipe, and several equidistantly arranged flow guide plates fixedly installed on the lower end face of the distribution cover.

[0008] In one possible implementation, the distribution pipe includes a main pipe with distribution slots on its bottom and both sides, and its top is connected to a solenoid valve through a sealed connecting pipe.

[0009] In one possible implementation, the distribution cover includes a housing that is sealed to the main pipe, with a bottom plate sealed to its lower end. The housing is divided into several independent fire extinguishing chambers by several partition plates, and a release groove communicating with the fire extinguishing chambers is provided on the bottom plate.

[0010] In one possible implementation, each fire extinguishing chamber has one and only one distribution slot at the top and one and only one release slot at the bottom.

[0011] In one possible implementation, a snap-fit ​​seat for snapping and securing the fire extinguishing agent storage tank is fixedly installed inside the top box, which includes several clamping seats and a limiting seat.

[0012] In one possible implementation, the clamping seat and the limiting seat have the same structure, both including a fixing plate and symmetrically arranged elastic plates on the fixing plate, wherein the elastic plate of the clamping seat is a circular clamping plate, and the elastic plate of the limiting seat is a frustum-shaped support plate.

[0013] In one possible implementation, the flame sensor is provided with a wedge-shaped pad at its top, and is installed at an angle on the lower end face of the mounting plate via the wedge-shaped pad. After installation, the flame sensor faces the middle of the cabinet body.

[0014] In summary, this utility model has the following beneficial technical effects:

[0015] The cabinet is equipped with a flame sensor and a temperature sensor. The temperature sensor is mainly responsible for monitoring the temperature inside the cabinet to prevent high temperatures from affecting the normal operation of electrical components. In the event of a fire, the flame sensor can detect it immediately and release carbon dioxide extinguishing agent stored in the fire extinguishing agent storage tank into the cabinet by controlling the opening of the solenoid valve to complete the automatic fire extinguishing work. This solution can automatically extinguish the fire in time for the electrical components inside the cabinet to reduce losses.

[0016] The output end of the solenoid valve is equipped with a flow guide, which includes a distribution pipe, a distribution cover, and several flow guide plates. When carbon dioxide is input into the distribution pipe through the solenoid valve, it will be in a high-pressure gas state inside the distribution pipe. At this time, under the action of gas pressure, the carbon dioxide can flow into several independent fire extinguishing chambers in the distribution cover relatively evenly, and then flow out from the fire extinguishing chambers. Under the guidance of the flow guide plates, it falls vertically. The above scheme can make the released carbon dioxide fall from the top of the cabinet relatively evenly, avoid dead corners during fire extinguishing, and can complete the complete extinguishing of the flames relatively quickly. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the fire extinguishing structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the flow guide structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the card holder structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the flame sensor installation structure of this utility model.

[0023] In the diagram: 1. Cabinet body; 11. Mounting plate; 2. Top box; 3. Extinguishing agent storage tank; 31. Solenoid valve; 4. Flow deflector; 41. Distribution pipe; 411. Main pipe; 412. Connecting pipe; 413. Distribution groove; 42. Distribution cover; 421. Cover; 422. Base plate; 423. Divider plate; 424. Release groove; 43. Flow deflector; 5. Flame sensor; 51. Wedge pad; 6. Temperature sensor; 7. Snap-fit ​​seat; 71. Clamping seat; 72. Limiting seat; 701. Fixing piece; 702. Circular clamping piece; 703. Terrace-shaped support piece. Detailed Implementation

[0024] The technical solution in this application embodiment is to solve the problems mentioned in the background art, and the overall idea is as follows:

[0025] like Figure 1 - Figure 2As shown in the figure, the power distribution cabinet with monitoring function provided in this embodiment includes a cabinet body 1, an mounting plate 11 is provided on the top of its inner side, a flame sensor 5 is installed at the bottom of the mounting plate 11, and temperature sensors 6 are installed inside both sides of the cabinet body 1. The temperature sensors 6 are mainly responsible for monitoring the temperature inside the cabinet to avoid high temperature affecting the normal operation of electrical components. In the event of a fire, the flame sensor 5 can detect it immediately and provide the necessary reference for the power distribution cabinet to release carbon dioxide extinguishing agent to complete automatic fire extinguishing.

[0026] To achieve automatic fire extinguishing, this embodiment provides a power distribution cabinet with monitoring function, which also includes a top box 2, installed on top of the cabinet body 1. Inside the top box is a fire extinguishing agent storage tank 3, with a solenoid valve 31 sealed at the opening of the fire extinguishing agent storage tank 3. A flow guide 4 is located at the top inside the cabinet body 1, with both ends overlapping the mounting plate 11. It includes a distribution pipe 41 sealed to the output port of the solenoid valve 31, with a distribution cover 42 connected to the bottom of the distribution pipe 41. Several equidistant flow guide plates 43 are fixedly installed on the lower end face of the distribution cover 42. Figure 2 - Figure 3 As shown, when a fire starts, the carbon dioxide extinguishing agent stored in the fire extinguishing agent storage tank 3 is released into the cabinet by controlling the solenoid valve 31. After flowing through the distribution pipe 41, the distribution hood 42 and the guide plate 43 in sequence, the carbon dioxide extinguishing agent can be divided into several equal parts as evenly as possible. As a result, when it falls from the top of the cabinet, it can quickly and completely extinguish the flames and avoid dead ends during fire extinguishing.

[0027] Specifically, such as Figure 2 - Figure 3 As shown, the distribution pipe 41 includes a main pipe 411, with distribution grooves 413 on its bottom and both sides, and its top is connected to a solenoid valve 31 through a sealed connecting pipe 412. The distribution cover 42 includes a cover 421 that is sealed to the main pipe 411, with a bottom plate 422 sealed to its lower end. The cover 421 is divided into several independent fire extinguishing chambers by several partition plates 423, and a release groove 424 connecting the fire extinguishing chambers is provided on the bottom plate 422. Based on the above scheme, when carbon dioxide is input into the distribution pipe 41 through the solenoid valve 31, it will be in a high-pressure gas state in the distribution pipe 41. At this time, under the action of gas pressure, carbon dioxide can flow into several independent fire extinguishing chambers in the distribution cover 42 relatively evenly, and then flow out from the fire extinguishing chambers and fall vertically under the guidance of the guide plate 43.

[0028] Each fire extinguishing chamber has one and only one distribution slot 413 at the top and one and only one release slot 424 at the bottom. This structure ensures that each fire extinguishing chamber has one and only one carbon dioxide inlet and one and only one carbon dioxide outlet, thereby ensuring the uniformity of carbon dioxide distribution.

[0029] To enable the detachable installation of the extinguishing agent storage tank 3 for easy maintenance and replacement, such as... Figure 4 As shown, a clamping seat 7 for securing the fire extinguishing agent storage tank 3 is fixedly installed inside the top box 2. This seat includes several clamping seats 71 and one limiting seat 72. The clamping seats 71 and the limiting seat 72 have the same structure, both including a fixing plate 701 and symmetrically arranged elastic plates on the fixing plate 701. The difference is that the elastic plates of the clamping seats 71 are circular clamping plates 702, while the elastic plates of the limiting seat 72 are frustum-shaped support plates 703. Based on this design, when installing the fire extinguishing agent storage tank 3... When the fire extinguishing agent storage tank 3 is inserted into the circular clamp 702, it is clamped and the front end of the tank is attached to the platform-shaped support 703. Due to the obstruction of the platform-shaped support 703, the fire extinguishing agent storage tank 3 cannot slide towards the solenoid valve 31. At the same time, the rear end of the fire extinguishing agent storage tank 3 will abut against the side plate of the top box 2. In this way, the fire extinguishing agent storage tank 3 can be positioned and installed. The operation is also very convenient when disassembling. You only need to pull the fire extinguishing agent storage tank 3 off.

[0030] like Figure 5 As shown, a wedge-shaped pad 51 is provided at the top of the flame sensor 5. It is installed at an angle on the lower end face of the mounting plate 11 through the wedge-shaped pad 51. After installation, the flame sensor 5 faces the middle of the cabinet body 1. By installing the flame sensor 5 at an angle, it can monitor the situation inside the cabinet body 1 as widely as possible and avoid monitoring blind spots.

[0031] The working principle and usage process of this utility model:

[0032] When a fire breaks out, the flame sensor 5 can detect it immediately and release the carbon dioxide extinguishing agent stored in the extinguishing agent storage tank 3 into the cabinet by controlling the solenoid valve 31 to open. When the carbon dioxide is input into the distribution pipe 41 through the solenoid valve 31, it will be in a high-pressure gas state in the distribution pipe 41. At this time, under the action of gas pressure, the carbon dioxide can flow into several independent extinguishing chambers in the distribution hood 42 relatively evenly, and then flow out from the extinguishing chambers. Under the guidance of the guide plate 43, it falls vertically. The above scheme can make the released carbon dioxide fall from the top of the cabinet relatively evenly, avoid dead corners during fire extinguishing, and complete the overall extinguishing of the fire relatively quickly.

[0033] When installing the extinguishing agent storage tank 3, the tank body is clamped into the circular clip 702, and the front end of the tank body is aligned with the platform-shaped support 703. Due to the obstruction of the platform-shaped support 703, the extinguishing agent storage tank 3 cannot slide towards the solenoid valve 31. At the same time, the rear end of the extinguishing agent storage tank 3 will abut against the side plate of the top box 2. This allows for the positioning and installation of the extinguishing agent storage tank 3. The disassembly is also very convenient; simply pull out the extinguishing agent storage tank 3.

[0034] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A power distribution cabinet with monitoring function, characterized in that, include: The cabinet body (1) has an installation plate (11) on its inner top, a flame sensor (5) is installed at the bottom of the installation plate (11), and temperature sensors (6) are installed inside both sides of the cabinet body (1). The top box (2) is installed on the top of the cabinet body (1), and a fire extinguishing agent storage tank (3) is installed inside it. The opening of the fire extinguishing agent storage tank (3) is sealed with a solenoid valve (31). The air deflector (4) is set inside the top of the cabinet body (1), with both ends overlapping the mounting plate (11); The flow guide (4) includes a distribution pipe (41) that is sealed to the output port of the solenoid valve (31). The bottom of the distribution pipe (41) is connected to a distribution cover (42), and a number of equally spaced flow guide plates (43) are fixedly installed on the lower end face of the distribution cover (42).

2. A power distribution cabinet with monitoring function according to claim 1, characterized in that: The distribution pipe (41) includes a main pipe (411), which has distribution grooves (413) at its bottom and on both sides, and its top is connected to a solenoid valve (31) through a sealed connecting pipe (412).

3. A power distribution cabinet with monitoring function according to claim 2, characterized in that: The distribution cover (42) includes a cover (421) that is sealed to the main pipe (411), and a bottom plate (422) is sealed to its lower end. The cover (421) is divided into several independent fire extinguishing chambers by several partition plates (423), and a release groove (424) communicating with the fire extinguishing chambers is provided on the bottom plate (422).

4. A power distribution cabinet with monitoring function according to claim 3, characterized in that: Each fire extinguishing chamber has one and only one distribution slot (413) at the top and one and only one release slot (424) at the bottom.

5. A power distribution cabinet with monitoring function according to claim 1, characterized in that: The top box (2) is fixedly installed with a snap-fit ​​seat (7) for snapping and fixing the fire extinguishing agent storage tank (3), which includes several clamping seats (71) and a limiting seat (72).

6. A power distribution cabinet with monitoring function according to claim 5, characterized in that: The clamping seat (71) and the limiting seat (72) have the same structure, both including a fixing plate (701) and symmetrically arranged elastic plates on the fixing plate (701). The elastic plate of the clamping seat (71) is a circular clamping plate (702), and the elastic plate of the limiting seat (72) is a frustum-shaped support plate (703).

7. A power distribution cabinet with monitoring function according to claim 1, characterized in that: The flame sensor (5) is provided with a wedge-shaped pad (51) at its top end. It is installed at an angle on the lower end face of the mounting plate (11) through the wedge-shaped pad (51). After installation, the flame sensor (5) faces the middle of the cabinet body (1).

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