Overheat protection intelligent low-voltage switch cabinet

Abstract

The utility model provides an overheating protection intelligent low-voltage switch cabinet, which belongs to the technical field of low-voltage switch cabinets, and comprises a switch cabinet body, a heat dissipation box body is arranged at the bottom of the switch cabinet body, an up-down through ventilation opening is formed in the heat dissipation box body, and the ventilation opening is communicated with the interior of the switch cabinet body. A partition plate is fixedly arranged in the heat dissipation box body and used for dividing the ventilation opening into an air inlet and an air outlet. The left and right ends of the heat dissipation box body are provided with heat dissipation ports. The left and right ends in the heat dissipation box body are provided with exhaust fans. Wherein one exhaust fan sucks air inside the switch cabinet body to the outside through the air outlet and the heat dissipation opening, and the other exhaust fan conveys outside air into the switch cabinet body through the heat dissipation opening and the air inlet, so that air circulation inside the switch cabinet body is formed, the air circulation inside the switch cabinet body is improved, and the service life of the switch cabinet body is prolonged. And the heat dissipation effect is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of low-voltage switch cabinets, and in particular relates to an overheat protection intelligent low-voltage switch cabinet. Background Art

[0002] Switchgear refers to equipment used for switching, controlling, or protecting power generation, transmission, distribution, conversion, and consumption in power systems. The electronic components within switchgear generate heat during operation, raising the temperature inside the switchgear. Excessively high temperatures can pose a fire hazard.

[0003] In real life, switch cabinets usually use fans to remove heat from the switch cabinet and bring external air into the cabinet through the air inlet, thereby achieving air circulation inside the cabinet. However, this effect is not very obvious. At the same time, when a fire occurs in the switch cabinet, the fan-generated air circulation inside the cabinet will actually increase the fire. Utility Model Content

[0004] The purpose of the utility model is to provide an intelligent low-voltage switch cabinet with overheat protection, aiming to solve the problem in the prior art that the heat dissipation effect of general switch cabinets is not very obvious, and when a fire occurs, the fan makes the air circulation in the cabinet increase the fire.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an intelligent low-voltage switchgear with overheat protection, comprising: a switchgear body, a heat dissipation box provided at the bottom of the switchgear body, a vent opening extending vertically through the heat dissipation box, the vent opening being connected to the interior of the switchgear body, a partition fixedly provided inside the heat dissipation box, the partition being used to divide the vent opening into an air inlet and an air outlet;

[0006] There are heat dissipation vents on the left and right ends of the heat dissipation box, and exhaust fans are installed on the left and right ends of the heat dissipation box to extract the air inside the heat dissipation box or draw the external air into the heat dissipation box;

[0007] A controller is provided inside the switch cabinet body, a temperature sensor is provided inside the switch cabinet body, a buzzer is provided on the top of the switch cabinet body, the temperature sensor is connected to the controller signal, the controller is connected to the buzzer control, a fire extinguisher is provided inside the switch cabinet body, and the controller is connected to the fire extinguisher control;

[0008] A blocking mechanism is provided inside the heat dissipation box body, which is used to block the air inlet and the air outlet, and the blocking mechanism is connected to the controller.

[0009] As a preferred embodiment of the present invention, a first chute is provided inside the heat dissipation box and spaced apart from each other in a front-to-back manner, and a second chute is provided inside the heat dissipation box and spaced apart from each other in a front-to-back manner, wherein the first chute and the second chute extend in the left-right direction and are arranged parallel to each other;

[0010] The blocking mechanism includes a first limit block slidably arranged inside the first chute, a second limit block slidably arranged inside the second chute, a baffle fixedly arranged on the first limit block, and a driving plate fixedly arranged on the second limit block;

[0011] A transmission mechanism is provided inside the heat dissipation box, and the transmission mechanism is connected to the driving plate and the baffle. The transmission mechanism is used to drive the driving plate and the baffle to move toward or relative to each other, thereby controlling the blocking of the vent.

[0012] As a preferred embodiment of the present invention, the heat dissipation box body is provided with a rotation groove spaced apart from each other in the front and rear directions, and the transmission mechanism includes a rotating shaft rotatably arranged in the rotation groove, and a gear is fixedly connected to the rotating shaft;

[0013] A first rack is fixedly provided on one end of the baffle plate facing the drive plate, and a second rack is fixedly provided on the other end of the drive plate facing the baffle plate, wherein the teeth of two adjacent first racks and second racks face each other, and the first racks and the second racks are both meshed with the gear, and through slots spaced apart front and back are formed inside the drive plate, and the through slots correspond to the first racks;

[0014] A driving mechanism is provided inside the heat dissipation box, and the driving mechanism is connected to the driving plate. The driving mechanism is used to drive the driving plate to move left and right inside the heat dissipation box.

[0015] As a preferred embodiment of the present invention, the driving mechanism includes an electric telescopic rod provided inside the heat dissipation box, the telescopic end of the electric telescopic rod is fixedly connected to the driving plate, and the electric telescopic rod is control-connected to the controller.

[0016] As a preferred embodiment of the present invention, a rain shield is provided on the top of the switch cabinet body.

[0017] As a preferred embodiment of the present invention, terminal blocks are provided at intervals above and below the interior of the switch cabinet body.

[0018] As a preferred embodiment of the present invention, the heat dissipation opening is a strip-shaped opening.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] In the overheat protection intelligent low-voltage switch cabinet, one exhaust fan draws the air inside the switch cabinet body to the outside through the heat dissipation port through the air outlet, and the other exhaust fan delivers the outside air to the inside of the switch cabinet body through the air inlet through the heat dissipation port, thereby forming air circulation inside the switch cabinet body, improving the air circulation inside the switch cabinet body, and enhancing the heat dissipation effect. At the same time, when a fire occurs, the controller controls the blocking mechanism to move to block the air inlet and the air outlet, and the air circulation inside the switch cabinet body increases the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of a specific embodiment of the present utility model;

[0023] Figure 2 It is a side view of a specific embodiment of the present utility model;

[0024] Figure 3 It is a cross-sectional structural diagram of a specific embodiment of the present utility model;

[0025] Figure 4 It is a schematic diagram of the internal cross-sectional structure of a specific embodiment of the present utility model.

[0026] In the figure: 10. Switch cabinet body; 11. Heat dissipation box; 12. Ventilation port; 13. Heat dissipation port; 14. Fan; 15. Temperature sensor; 16. Buzzer; 17. Fire extinguisher; 18. Partition; 21. First slide; 22. Second slide; 23. Baffle; 24. Drive plate; 25. Gear; 26. First rack; 27. Second rack; 28. Electric telescopic rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-4The utility model provides the following technical solutions: an overheat protection intelligent low-voltage switch cabinet, a switch cabinet body 10, a heat dissipation box 11 is provided at the bottom of the switch cabinet body 10, a ventilation hole 12 which passes through from top to bottom is opened inside the heat dissipation box 11, the ventilation hole 12 is connected to the interior of the switch cabinet body 10, and a partition 18 is fixedly provided inside the heat dissipation box 11, and the partition 18 is used to divide the ventilation hole 12 into an air inlet and an air outlet.

[0029] The heat dissipation box 11 has heat dissipation vents 13 at both ends. Exhaust fans 14 are provided at both ends inside the heat dissipation box 11 to draw out the air inside the heat dissipation box 11 or draw in the outside air into the heat dissipation box 11 .

[0030] One of the exhaust fans 14 draws the air inside the switch cabinet body 10 to the outside through the heat dissipation port 13 through the air outlet, and the other exhaust fan 14 delivers the outside air to the inside of the switch cabinet body 10 through the air inlet through the heat dissipation port 13, thereby forming air circulation inside the switch cabinet body 10.

[0031] The heat dissipation opening 13 is a strip-shaped opening. A rain shield is provided on the top of the switch cabinet body 10 . Wiring boards are provided at intervals above and below the switch cabinet body 10 .

[0032] See also Figure 1-4 A controller is provided inside the switch cabinet body 10, a temperature sensor 15 is provided inside the switch cabinet body 10, a buzzer 16 is provided on the top of the switch cabinet body 10, the temperature sensor 15 is signal-connected to the controller, the controller is control-connected to the buzzer 16, a fire extinguisher 17 is provided inside the switch cabinet body 10, and the controller is control-connected to the fire extinguisher 17.

[0033] The temperature sensor 15 detects the temperature inside the switch cabinet body 10. When the temperature rises to a certain value, the controller controls the fire extinguisher 17 to work, and at the same time controls the buzzer 16 to work to alarm the fire.

[0034] See also Figure 1-4 A blocking mechanism is provided inside the heat dissipation box 11, which is used to block the air inlet and the air outlet. The blocking mechanism is connected to the controller. When the temperature sensor 15 senses that the temperature inside the switch cabinet body 10 is too high, the temperature sensor 15 transmits a signal to the controller. The controller controls the blocking mechanism to work and block the air inlet and the air outlet, so that the air inside the switch cabinet body 10 does not circulate, thereby effectively extinguishing the fire.

[0035] A first slide groove 21 is provided inside the heat dissipation box 11 and a second slide groove 22 is provided inside the heat dissipation box 11. The first slide groove 21 and the second slide groove 22 extend in the left and right directions and are arranged parallel to each other.

[0036] The blocking mechanism includes a first limit block slidingly arranged inside the first slide groove 21, a second limit block slidingly arranged inside the second slide groove 22, a baffle 23 fixedly connected to the first limit block, and a driving plate 24 fixedly arranged on the second limit block.

[0037] See also Figure 1-4 A transmission mechanism is provided inside the heat dissipation box 11 , and the transmission mechanism is connected to the driving plate 24 and the baffle 23 . The transmission mechanism is used to drive the driving plate 24 and the baffle 23 to move toward or relative to each other, thereby controlling the blocking of the vent 12 .

[0038] Rotating grooves spaced apart from each other are provided inside the heat dissipation box 11 . The transmission mechanism includes a rotating shaft rotatably arranged inside the rotating groove, and a gear 25 is fixedly connected to the rotating shaft.

[0039] A first rack 26 is fixedly provided on one end of the baffle 23 facing the drive plate 24, and a second rack 27 is fixedly provided on the other end of the drive plate 24 facing the baffle 23. The teeth of the adjacent first racks 26 and second racks 27 are opposite to each other, and the first racks 26 and the second racks 27 are both engaged with the gear 25. Through grooves are opened inside the drive plate 24 with front and rear intervals, and the through grooves correspond to the first racks 26.

[0040] See also Figure 1-4 The through groove is used to prevent the first rack 26 from interfering with the driving plate 24 when the driving plate 24 moves left and right. A driving mechanism is provided inside the heat dissipation box 11, and the driving mechanism is connected to the driving plate 24. The driving mechanism is used to drive the driving plate 24 to move left and right inside the heat dissipation box 11.

[0041] When the driving mechanism drives the driving plate 24 to move toward the baffle 23, the driving plate 24 drives the second rack 27 to move, the second rack 27 drives the gear 25 to rotate, the gear 25 drives the first rack 26 to move toward the driving plate 24, the first rack 26 drives the baffle 23 to move toward the driving plate 24, the driving plate 24 and the baffle 23 move relative to each other, the baffle 23 and the driving plate 24 move to the partition 18, thereby blocking the air outlet and the air inlet.

[0042] The driving mechanism includes an electric telescopic rod 28 disposed inside the heat dissipation box 11 . The telescopic end of the electric telescopic rod 28 is fixedly connected to the driving plate 24 . The electric telescopic rod 28 is control-connected to the controller.

[0043] See also Figure 1-4 Working principle: When in use, one of the exhaust fans 14 draws the air inside the switch cabinet body 10 to the outside through the heat dissipation port 13 through the air outlet, and the other exhaust fan 14 delivers the outside air to the inside of the switch cabinet body 10 through the air inlet through the heat dissipation port 13, thereby reducing the temperature inside the switch cabinet body 10 and accelerating the circulation speed of the air inside the switch cabinet body 10.

[0044] The temperature sensor 15 senses the temperature inside the switch cabinet body 10. When the temperature inside the switch cabinet body 10 is too high, the temperature sensor 15 transmits a signal to the controller, and the controller controls the electric telescopic rod 28 to extend and retract. At the same time, the controller controls the fire extinguisher 17 and the buzzer 16 to work.

[0045] When the electric telescopic rod 28 drives the driving plate 24 to move toward the baffle 23, the driving plate 24 drives the second rack 27 to move, the second rack 27 drives the gear 25 to rotate, the gear 25 drives the first rack 26 to move toward the driving plate 24, the first rack 26 drives the baffle 23 to move toward the driving plate 24, the driving plate 24 and the baffle 23 move relative to each other, the baffle 23 and the driving plate 24 move to the partition 18, thereby blocking the air outlet and the air inlet, isolating the air circulation inside the switch cabinet body 10.

[0046] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is determined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An overheat protection intelligent low-voltage switch cabinet, characterized in that: include: A switch cabinet body (10), wherein a heat dissipation box (11) is provided at the bottom of the switch cabinet body (10), a vent (12) penetrating from top to bottom is provided inside the heat dissipation box (11), the vent (12) is connected to the inside of the switch cabinet body (10), and a partition (18) is fixedly provided inside the heat dissipation box (11), and the partition (18) is used to divide the vent (12) into an air inlet and an air outlet; The heat dissipation box (11) is provided with heat dissipation openings (13) at both left and right ends, and exhaust fans (14) are provided at both left and right ends inside the heat dissipation box (11). The exhaust fans (14) are used to draw air out of the heat dissipation box (11) or draw external air into the heat dissipation box (11); A controller is provided inside the switch cabinet body (10), a temperature sensor (15) is provided inside the switch cabinet body (10), a buzzer (16) is provided on the top of the switch cabinet body (10), the temperature sensor (15) is signal-connected to the controller, the controller is control-connected to the buzzer (16), a fire extinguisher (17) is provided inside the switch cabinet body (10), and the controller is control-connected to the fire extinguisher (17); A blocking mechanism is provided inside the heat dissipation box (11), and the blocking mechanism is used to block the air inlet and the air outlet, and the blocking mechanism is control-connected to the controller.

2. The overheat protection intelligent low-voltage switch cabinet according to claim 1 is characterized in that: A first slide groove (21) is provided inside the heat dissipation box (11) and is spaced apart from each other in the front and back directions. A second slide groove (22) is provided inside the heat dissipation box (11) and is spaced apart from each other in the front and back directions. The first slide groove (21) and the second slide groove (22) extend in the left-right direction. The first slide groove (21) and the second slide groove (22) are arranged parallel to each other. The blocking mechanism comprises a first limit block slidably arranged inside the first slide groove (21), a second limit block slidably arranged inside the second slide groove (22), a baffle plate (23) fixedly arranged on the first limit block, and a driving plate (24) fixedly arranged on the second limit block; A transmission mechanism is provided inside the heat dissipation box (11), the transmission mechanism being connected to the drive plate (24) and the baffle plate (23), and the transmission mechanism being used to drive the drive plate (24) and the baffle plate (23) to move toward or relative to each other, thereby controlling the blocking of the vent (12).

3. The overheat protection intelligent low-voltage switch cabinet according to claim 2 is characterized in that: The heat dissipation box (11) is provided with rotation grooves spaced apart from each other in the front and rear, the transmission mechanism comprises a rotation shaft rotatably arranged in the rotation groove, and a gear (25) is fixedly connected to the rotation shaft; A first rack (26) is fixedly provided on one end of the baffle plate (23) facing the drive plate (24), and a second rack (27) is fixedly provided on one end of the drive plate (24) facing the baffle plate (23), wherein teeth of two adjacent first racks (26) and second racks (27) face each other, the first racks (26) and second racks (27) are meshed with the gear (25), and a through slot is provided inside the drive plate (24) at intervals in front and back, and the through slot corresponds to the first rack (26); A driving mechanism is provided inside the heat dissipation box (11), the driving mechanism being connected to the driving plate (24), and the driving mechanism being used to drive the driving plate (24) to move left and right inside the heat dissipation box (11).

4. The overheat protection intelligent low-voltage switch cabinet according to claim 3 is characterized in that: The driving mechanism comprises an electric telescopic rod (28) arranged inside the heat dissipation box (11), the telescopic end of the electric telescopic rod (28) being fixedly connected to the driving plate (24), and the electric telescopic rod (28) being control-connected to a controller.

5. An overheat protection intelligent low-voltage switch cabinet according to any one of claims 1 to 4, characterized in that: A rain shield is provided on the top of the switch cabinet body (10).

6. An overheat protection intelligent low-voltage switch cabinet according to any one of claims 1 to 4, characterized in that: The switch cabinet body (10) is provided with wiring boards spaced apart at upper and lower intervals.

7. An overheat protection intelligent low-voltage switch cabinet according to any one of claims 1 to 4, characterized in that: The heat dissipation opening (13) is a strip-shaped opening.

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