Override trip prevention protection device

Abstract

The utility model relates to an override trip prevention protection device which comprises a working box, a fire extinguishing structure and a cooling assembly, and the cooling assembly comprises a heat exchange tube arranged in the working box and a cooling backflow structure arranged on the back side of the working box. The cooling backflow structure comprises a water tank fixedly welded to the back side of the working box, a first pump body installed on the back side of the working box through bolts and a cooling box fixedly welded to the back side of the working box, water in the water tank is guided into a heat exchange pipe through the first pump body, heat exchange work is conducted between the water in the heat exchange pipe and the working cavity, the working cavity is cooled, and the cooling effect is improved. According to the water cooling device, the normal work of electronic components, spontaneous combustion and influence on the working quality caused by too high temperature are avoided, water after heat exchange enters the cooling box and is cooled through a cooling structure such as a semiconductor chilling plate, the cooled water returns to the water tank, water recycling is achieved, water resources are saved, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of over-tripping prevention, in particular to an over-tripping prevention protection device. Background Art

[0002] Overtripping refers to the phenomenon that when a circuit or device fails in the power system, the adjacent circuit or device also trips. This phenomenon may cause large-scale tripping of the entire power system and cause serious power outages.

[0003] After searching, a mine anti-over-tripping device with publication number CN205786908U includes a microcontroller, a data acquisition mechanism connected to the input end of the microcontroller and used to collect information data of each switch point, and an actuator connected to the output end of the microcontroller, the actuator includes a drive circuit and a relay module, the data acquisition mechanism includes a primary data acquisition module, multiple secondary data acquisition modules and a switch quantity acquisition circuit for collecting the working status of the relay module; the primary data acquisition module and the secondary data acquisition module both include a current sampling circuit, a voltage sampling circuit, a frequency detection circuit and an active power and reactive power detection circuit. The utility model has a simple structure and a reasonable design, can comprehensively utilize the information of each switch point to achieve information sharing, thereby obtaining fault judgment and protection action, and can realize fault recording, thereby improving the power supply reliability and safety of the coal mine power grid, and is easy to use and operate, has strong practicality, good use effect, and is easy to promote and use.

[0004] In this public patent, when using the anti-over-tripping device, heat will be generated, which is not easy to dissipate. Excessive temperature will affect the normal operation of electronic components and easily damage them. Tripping is usually caused by a short circuit. When a short circuit occurs, electric sparks are likely to occur, and the fire cannot be controlled in time, which can easily cause a fire. Utility Model Content

[0005] In view of the technical problems in the existing patents that heat is generated when using the anti-over-tripping device, which is not easy to dissipate. Too high temperature will affect the normal operation of electronic components and they are easy to be damaged. Tripping is usually caused by a short circuit. When a short circuit occurs, electric sparks are likely to occur, and the fire cannot be controlled in time, which is easy to cause a large fire. The utility model provides an anti-over-tripping protection device.

[0006] The technical solution adopted by the utility model is: an anti-over-tripping protection device, comprising:

[0007] Work Box;

[0008] A fire extinguishing structure, which is installed on the top of the working box and is used to extinguish fire when a short circuit occurs in the device;

[0009] A cooling component, which is installed on the back side of the working box and is used to exchange heat and cool down the heat generated by the electronic components during operation;

[0010] The cooling component includes a heat exchange tube installed inside the working box and a cooling reflux structure installed on the back side of the working box.

[0011] Furthermore, a heat exchange chamber is opened inside the working box, the heat exchange tube is installed inside the heat exchange chamber, the cooling reflux structure includes a water tank fixedly welded on the back side of the working box, a first pump body installed on the back side of the working box by bolts, and a cooling box fixedly welded on the back side of the working box, two ends of the cooling box are respectively connected to one end of the heat exchange tube and the water tank through pipes, two ends of the first pump body are respectively connected to the water tank and the other end of the heat exchange tube through pipes, and a cooling structure is installed inside the cooling box.

[0012] Furthermore, the working box is provided with a working cavity, a temperature measuring head is installed inside the working cavity, an opening and closing door is installed at the front side of the working cavity, and an observation window is provided on the opening and closing door.

[0013] Furthermore, the fire extinguishing structure includes a dry powder storage box fixedly welded to the top of the working box, a second pump body installed on the top of the working box by bolts, and a spray plate installed inside the working chamber, and both ends of the second pump body are respectively connected to the dry powder storage box and the spray plate through pipes.

[0014] Furthermore, mounting plates are fixedly welded on both sides of the working box.

[0015] The beneficial effects of the utility model are:

[0016] 1. The water in the water tank is introduced into the heat exchange tube through the first pump body. The water in the heat exchange tube exchanges heat with the working chamber to cool the working chamber to prevent excessive temperature from affecting the normal operation of electronic components, spontaneous combustion and affecting the work quality. The water after heat exchange enters the cooling box and is cooled by the cooling structure, such as the semiconductor refrigeration sheet. The cooled water returns to the water tank to realize the recycling of water, save water resources and reduce costs.

[0017] 2. Test the temperature through the temperature measuring head. When the temperature rises to a certain level, it is determined that there is a fire. The dry powder in the dry powder storage box is introduced into the spray plate through the second pump body. The dry powder is sprayed through the spray plate to extinguish the fire, prevent the fire from getting bigger, and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of another viewing angle in the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the cooling component in the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the fire extinguishing structure in the utility model.

[0022] The markings in the figure are: 1. working box; 2. fire extinguishing structure; 3. cooling component; 301. heat exchange pipe; 302. cooling reflux structure; 3021. water tank; 3022. first pump body; 3023. cooling box; 4. opening and closing door; 5. dry powder storage box; 6. second pump body; 7. spray plate; 8. mounting plate. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following is combined with Figure 1-4 The utility model is further described.

[0026] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: an anti-over-tripping protection device.

[0027] The specific technical solution includes: a working box 1, a fire extinguishing structure 2 and a cooling component 3;

[0028] The working box 1 is provided with a working chamber, a temperature measuring head is installed inside the working chamber, and the temperature measuring head is used to judge whether there is a short circuit fire by high temperature. An opening and closing door 4 is installed on the front side of the working chamber, and an observation window is opened on the opening and closing door 4. The opening and closing door 4 and the observation window are convenient for the staff to inspect and observe. The two sides of the working box 1 are fixedly welded with mounting plates 8, and the mounting plates 8 are used to install the working box 1 inside the distribution box. An anti-over-tripping system module is installed inside the working box 1;

[0029] The cooling component 3 is installed on the back side of the working box 1. The cooling component 3 is used to exchange heat and cool the heat generated by the electronic components during operation. The cooling component 3 includes a heat exchange tube 301 installed inside the working box 1 and a cooling reflux structure 302 installed on the back side of the working box 1. A heat exchange cavity is opened inside the working box 1. The heat exchange tube 301 is installed inside the heat exchange cavity. The water in the heat exchange tube 301 exchanges heat with the working cavity to cool the working cavity, thereby preventing the normal operation of the electronic components from being affected by excessive temperature. The cooling reflux structure 302 includes a water tank 3021 fixedly welded to the back side of the working box 1, a first pump body 3022 installed on the back side of the working box 1 by bolts, and a fixedly welded The cooling box 3023 is connected to the back side of the working box 1, and both ends of the cooling box 3023 are connected to one end of the heat exchange tube 301 and the water tank 3021 through pipes. Both ends of the first pump body 3022 are connected to the water tank 3021 and the other end of the heat exchange tube 301 through pipes. A cooling structure is installed inside the cooling box 3023. The water in the water tank 3021 is introduced into the heat exchange tube 301 through the first pump body 3022 for heat exchange. The water after heat exchange enters the cooling box 3023 and is cooled by the cooling structure, such as the semiconductor refrigeration plate. The cooled water returns to the water tank 3021, thereby realizing the recycling of water, saving water resources and reducing costs.

[0030] The fire extinguishing structure 2 includes a dry powder storage box 5 fixedly welded to the top of the working box 1, a second pump body 6 installed on the top of the working box 1 by bolts, and a spray plate 7 installed inside the working chamber. The two ends of the second pump body 6 are respectively connected to the dry powder storage box 5 and the spray plate 7 through pipelines. The dry powder in the dry powder storage box 5 is introduced into the spray plate 7 through the second pump body 6, and the dry powder is sprayed through the spray plate 7 to perform fire extinguishing work, avoid the fire from getting bigger, and improve safety.

[0031] In order for those skilled in the art to fully understand the technical solution, this application makes the following overall summary:

[0032] When in use, the water in the water tank 3021 is introduced into the heat exchange tube 301 through the first pump body 3022, and the water in the heat exchange tube 301 exchanges heat with the working chamber to cool the working chamber to prevent excessive temperature from affecting the normal operation of the electronic components. The water after heat exchange enters the cooling box 3023 and is cooled by a cooling structure such as a semiconductor refrigeration plate. The cooled water returns to the water tank 3021, thereby realizing the recycling of water, saving water resources and reducing costs. The anti-override tripping system module inside the working box 1 generates electric sparks due to a short circuit. When a fire occurs, the temperature inside the working chamber rises. When it reaches a certain level, the fire is determined by testing the temperature with a temperature measuring head. The dry powder in the dry powder storage box 5 is introduced into the spray plate 7 through the second pump body 6, and the dry powder is sprayed through the spray plate 7 to extinguish the fire, thereby preventing the fire from getting bigger and improving safety.

[0033] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0034] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-over-tripping protection device, characterized in that: include: Work box (1); A fire extinguishing structure (2), the fire extinguishing structure (2) being installed on the top of the working box (1), and the fire extinguishing structure (2) being used to extinguish a fire when a short circuit occurs in the device; A cooling component (3), the cooling component (3) being installed on the back side of the working box (1), and the cooling component (3) being used for heat exchange and cooling of heat generated by the electronic components during operation; The cooling component (3) comprises a heat exchange tube (301) installed inside the working box (1) and a cooling reflux structure (302) installed on the back side of the working box (1).

2. The anti-over-tripping protection device according to claim 1, characterized in that: A heat exchange cavity is provided inside the working box (1), the heat exchange tube (301) is installed inside the heat exchange cavity, the cooling reflux structure (302) comprises a water tank (3021) fixedly welded to the back side of the working box (1), a first pump body (3022) installed on the back side of the working box (1) by bolts, and a cooling box (3023) fixedly welded to the back side of the working box (1), the two ends of the cooling box (3023) are respectively connected to one end of the heat exchange tube (301) and the water tank (3021) through pipelines, the two ends of the first pump body (3022) are respectively connected to the water tank (3021) and the other end of the heat exchange tube (301) through pipelines, and a cooling structure is installed inside the cooling box (3023).

3. The anti-over-tripping protection device according to claim 1, characterized in that: The working box (1) is provided with a working chamber, a temperature measuring head is installed inside the working chamber, an opening and closing door (4) is installed at the front side of the working chamber, and an observation window is provided on the opening and closing door (4).

4. The anti-over-tripping protection device according to claim 3, characterized in that: The fire extinguishing structure (2) comprises a dry powder storage box (5) fixedly welded to the top of the working box (1), a second pump body (6) installed on the top of the working box (1) by bolts, and a spray plate (7) installed inside the working chamber, wherein both ends of the second pump body (6) are respectively connected to the dry powder storage box (5) and the spray plate (7) through pipelines.

5. The anti-over-tripping protection device according to claim 4, characterized in that: Mounting plates (8) are fixedly welded to both sides of the working box (1).

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