CN211428733U

CN211428733U - GGD feed cabinet with high heat dissipation performance

Info

Publication number: CN211428733U
Application number: CN202020373627.2U
Authority: CN
Inventors: 吴华青
Original assignee: Shenzhen Maohe Electromechanical Co ltd
Current assignee: Shenzhen Maohe Electromechanical Co ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-09-04
Anticipated expiration: 2030-03-21

Abstract

The utility model relates to a technical field of feed cabinet especially relates to a GGD feed cabinet of high heat dissipating ability, and it includes the cabinet body, the internal electric fan that is used for blowing to the internal components and parts of cabinet that is equipped with of cabinet, the internal refrigeration piece that is equipped with of cabinet, the internal detection device that is equipped with of cabinet, detection device is used for detecting the internal temperature height of cabinet and exports detected signal, detection device couples controlling means, controlling means is used for receiving detected signal and output control signal, controlling means couples executing device, executing device is used for receiving control signal and exports executing signal to the refrigeration piece so that the refrigeration piece works or not, and when the internal temperature of cabinet is higher than predetermineeing the benchmark, executing device exports executing signal to the refrigeration piece so that the refrigeration piece refrigerates. The utility model discloses the internal radiating efficiency of improvement cabinet has to improve feed cabinet performance, and can prolong components and parts life's effect indirectly.

Description

GGD feed cabinet with high heat dissipation performance

Technical Field

The utility model relates to the technical field, especially, relate to a GGD feed cabinet of high heat dissipating ability.

Background

At present, a feed cabinet is a device for distributing a direct-current power supply to a direct-current power supply required by relay protection and a high-voltage circuit breaker through a special direct-current air circuit breaker, can meet the requirements of relay protection, high-voltage circuit breaker opening and closing, emergency lighting, computer uninterruptible power supplies and the like in normal operation and accident states, and is suitable for important direct-current power utilization places such as power plants, power transformation (distribution) stations, switching stations, electrified railways, petrifaction, metallurgy, large-scale buildings, integrated power supplies and the like.

In the prior art, different numbers of heat dissipation strip-shaped openings are arranged at the upper end and the lower end of a cabinet body, when an electrical element in the cabinet generates heat, the heat rises and is discharged through a slotted hole at the upper end, and cold air is continuously supplemented into the cabinet through a slotted hole at the lower end, so that a natural ventilation channel is formed in the sealed cabinet body from bottom to top, and the purpose of heat dissipation is achieved.

The above prior art solutions have the following drawbacks: in long-time distribution process, because the internal circuit is complicated, lead to the easy accumulative total high temperature of multiline operation in-process, under the high temperature state, singly rely on the existence of cold wind, hardly in time discharge a large amount of heats, to this, cause electrical components and parts on the circuit to bear high temperature high pressure for a long time easily, cause the circuit impaired.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high heat dissipating's GGD feed cabinet solves the interior heat-extraction of feed cabinet untimely, indirectly causes the easy impaired problem of components and parts.

The above object of the present invention can be achieved by the following technical solutions:

the GGD feed cabinet with high heat dissipation performance comprises a cabinet body, wherein an electric fan used for blowing components in the cabinet body is arranged in the cabinet body, a refrigerating sheet is arranged in the cabinet body, a detection device is arranged in the cabinet body and used for detecting the temperature in the cabinet body and outputting a detection signal, the detection device is coupled with a control device, the control device is used for receiving the detection signal and outputting a control signal, the control device is coupled with an execution device, the execution device is used for receiving the control signal and outputting an execution signal to the refrigerating sheet so that the refrigerating sheet works or not, and when the temperature in the cabinet body is higher than a preset reference value, the execution device outputs the execution signal to the refrigerating sheet so that the refrigerating sheet is refrigerated.

Adopt above-mentioned technical scheme, when the internal temperature of cabinet is higher than when predetermineeing the benchmark value, actuating device can export actuating signal to refrigeration piece so that the refrigeration piece refrigerates, through the refrigerated mode of refrigeration piece, just can effectively reduce the internal temperature of cabinet, and the electric fan that sets up can further make things convenient for air conditioning to carry the internal portion of cabinet, further improve the radiating efficiency, through this mode, just can in time discharge the internal temperature of piling up of cabinet, reduce the failure rate of components and parts, indirect extension components and parts's life.

The utility model discloses further set up to: the electric fan comprises a cabinet body, and is characterized in that an adjusting piece used for driving the electric fan to rotate so as to change the blowing angle of the electric fan is arranged in the cabinet body, the adjusting piece comprises a supporting plate, a half gear, annular teeth and a driving piece, the supporting plate is arranged in the cabinet body, the half gear is rotatably connected to the supporting plate, the axis of the half gear is parallel to the ground, the annular teeth are rotatably connected to the supporting plate and meshed with the half gear, the driving piece is arranged in the cabinet body and used for driving the annular teeth to rotate, and the electric fan is.

Adopt above-mentioned technical scheme, when the driving piece starts, can drive annular tooth and rotate, indirectly drive half gear drive, when half gear rotates, just can indirectly drive the electric fan and rotate, the rotation of electric fan can directly change the angle that the electric fan bloied, can blow away accumulational heat on the one hand, the heat dissipation of being convenient for, on the other hand, when the refrigeration piece during operation, can also utilize the electric fan to transmit air conditioning to different corners, further can enlarge the refrigeration scope to improve the radiating efficiency.

The utility model discloses further set up to: the driving piece is a servo motor, the servo motor is arranged on the supporting plate, and an output shaft of the servo motor is fixed with the annular teeth.

By adopting the technical scheme, the arranged servo motor can directly drive the annular teeth to rotate, and the structure is simple and convenient to operate.

The utility model discloses further set up to: the cabinet body is internally provided with a controller used for driving the servo motor to rotate forward and backward.

By adopting the technical scheme, the arranged controller can be a single chip microcomputer or a PLC control device, and the servo motor can be controlled to rotate within a period of time no matter which type, so that the servo motor can drive the annular teeth to rotate forwards or reversely.

The utility model discloses further set up to: the air outlet of the electric fan faces the upward component, and a heat dissipation strip-shaped opening matched with the first electric fan is formed in the top cover of the cabinet body.

By adopting the technical scheme, the arranged heat dissipation strip-shaped opening can enable the air blown out by the electric fan to be blown out from the heat dissipation strip-shaped opening, and the cold air can be continuously blown to the top end from the bottom end through the electric fan, so that the cabinet body can form a natural ventilation channel from bottom to top to achieve the purpose of heat dissipation, and further, components in the cabinet body can conveniently achieve the purpose of heat dissipation as soon as possible.

The utility model discloses further set up to: more than one radiating fin is arranged on the outer wall of the top cover.

By adopting the technical scheme, the arranged radiating fins are aluminum extruded radiating fins, so that the radiating fins are high in heat conduction capability, low in density and low in price.

The utility model discloses further set up to: the top cover is made of aluminum.

Adopt above-mentioned technical scheme, the top cap is made by the aluminium material, because the radiating effect of aluminium material is better, therefore makes things convenient for the heat to further dispel fast through the top cap.

The utility model discloses further set up to: and the executing device is provided with an alarm device which responds to the control signal and outputs an alarm signal.

Adopt above-mentioned technical scheme, the alarm device who sets up can in time remind the staff, and the internal high temperature of cabinet to be convenient for the staff makes corresponding measure, for example improve the wind speed of electric fan, perhaps directly open measures such as cabinet door.

To sum up, the utility model discloses a beneficial technological effect does:

through the heat dissipation bar mouth, mutually supporting of electric fan, can utilize the electric fan to blow in cold wind, make the sealed cabinet body form a natural draft channel from bottom to top, reach the heat dissipation purpose, the refrigeration piece, detection device, controlling means and final controlling element mutually support, can utilize the refrigeration piece refrigeration when the internal high temperature of cabinet, thereby dispel the heat to components and parts in the feed cabinet, through this mode, just can in time discharge the internal temperature of piling up of cabinet, reduce the failure rate of components and parts, indirectly prolong the life of components and parts.

Drawings

FIG. 1 is a schematic view of the overall structure of the middle cabinet and the adjusting member of the present invention;

fig. 2 is a schematic circuit diagram of the control device and the alarm device of the present invention.

Reference numerals: 1. a cabinet body; 11. a top cover; 12. a heat dissipation strip-shaped opening; 13. a heat sink; 2. an electric fan; 3. a refrigeration plate; 4. a detection device; 41. a temperature sensor; 5. a control device; 6. an execution device; 7. an adjustment member; 71. a support plate; 72. a half gear; 73. an annular tooth; 74. a drive member; 8. a component; 9. and an alarm device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a high heat dissipating's GGD feed cabinet, including the cabinet body 1, there is top cap 11 through the mounting screw on the top face of the cabinet body 1, and top cap 11 is made by the aluminium material, has seted up heat dissipation bar mouth 12 on top cap 11, and heat dissipation bar mouth 12 is equipped with six, and the equidistance is seted up on top cap 11, pastes on top cap 11 outer wall and is equipped with fin 13, and the existence of fin 13, the heat of the internal 1 of cabinet of being convenient for spills over through fin 13 fast.

Referring to fig. 1, in order to dissipate heat generated by components 8 in the cabinet 1 in time, an electric fan 2 and an adjusting member 7 for driving the electric fan 2 to rotate so as to change the blowing angle of the electric fan 2 are installed in the cabinet 1, the adjusting member 7 includes a supporting plate 71, a half gear 72, a ring-shaped tooth 73 and a driving member 74, the supporting plate 71 is vertically installed on the inner bottom wall of the cabinet 1, the half gear 72 and the ring-shaped tooth 73 are rotatably connected to the supporting plate 71 through a pin shaft, the half gear 72 is engaged with the ring-shaped tooth 73, and the half gear 72 is located above the ring-shaped tooth 73.

Referring to fig. 1, a supporting frame is mounted on a half gear 72, an electric fan 2 is mounted on a bearing surface of the supporting frame, an air outlet of the electric fan 2 faces to a component 8 inside a cabinet 1, the component 8 is located above the electric fan 2, a driving member 74 is a servo motor, the servo motor is mounted on a supporting plate 71, an output shaft of the servo motor is fixed to an annular tooth 73, in this embodiment, the servo motor can be driven by a controller to rotate forward and backward, and the controller is a single chip microcomputer.

Referring to fig. 1 and 2, in order to further cooperate with the heat sink 13 to improve the heat dissipation efficiency in the cabinet 1, a cooling plate 3 and a detection device 4 are installed in the cabinet 1, the detection device 4 is used for detecting the temperature in the cabinet 1 and outputting a detection signal, a control device 5 is coupled to the detection device 4, the control device 5 is used for receiving the detection signal and outputting a control signal, an execution device 6 is coupled to the control device 5, the execution device 6 is used for receiving the control signal and outputting an execution signal to the cooling plate 3 to enable the cooling plate 3 to work, and when the temperature in the cabinet 1 is higher than a predetermined value, the execution device 6 outputs an execution signal to the cooling plate 3 to enable the cooling plate 3 to work. The refrigeration piece 3 is arranged on the inner wall of the cabinet body 1. An alarm device 9 is arranged on the execution device 6, and the alarm device 9 responds to the control signal and outputs an alarm signal. The alarm device 9 is a buzzer or a flashing light, and in the present embodiment, a buzzer is preferred.

Referring to fig. 2, the detecting device 4 includes a temperature sensor 41 and a comparator a1, the temperature sensor 41 is installed on the inner wall of the cabinet 1, the temperature sensor 41 is coupled to the in-phase terminal of the comparator a1, the reverse terminal of the comparator a1 is preset with a temperature reference value, the controlling device 5 includes an NPN-type transistor Q1 and a relay (the relay includes a relay coil KM1 and a normally open contact switch KM 1-1), the base of the transistor Q1 is coupled to the output terminal of the comparator a1, the emitter is grounded, the collector is coupled to the relay coil KM1, and the other end of the relay coil KM1 is coupled to a power source VCC. The execution device 6 comprises a normally open contact switch KM1-1, a refrigeration piece 3, a power supply, a normally open contact switch KM1-1 and a refrigeration piece 3, wherein the power supply is sequentially connected in series, the normally open contact switch KM1-1 is directly connected with the power supply, and in addition, the alarm device 9 is connected between the refrigeration piece 3 and the power supply in series.

The working principle is as follows: through the electric fan 2 that sets up, can accelerate to the cabinet body 1 input cold air, and then be convenient for in time reduce the temperature in the cabinet body 1, the heat dissipation bar mouth 12 of setting can cooperate first electric fan 2 and second electric fan 2, makes sealed cabinet body 1 form a natural draft from bottom to top, reaches the heat dissipation purpose, and the fin 13 of setting can further dispel the heat of reuniting in top cap 11.

Meanwhile, when the temperature in the cabinet body 1 is higher than the temperature reference value, the comparator A1 outputs a high level to the base of the triode Q1, at the moment, the base of the triode Q1 is connected with the high level to be conducted, the relay coil KM1 is electrified, the normally open contact switch KM1-1 is closed, the loop where the refrigerating sheet 3 is located is conducted, the refrigerating sheet 3 starts to work, and the temperature in the cabinet body 1 can be directly reduced through refrigeration of the refrigerating sheet 3.

When the electric fan 2 rotates, more positions in the cabinet body 1 can be blown by cold air of the electric fan 2, so that the temperature of the components 8 at more positions can be reduced conveniently, meanwhile, due to the refrigerating effect of the refrigerating piece 3, the electric fan 2 can also bring cold air to all positions in the cabinet body 1, and by means of the mode, the accumulated temperature in the cabinet body 1 can be discharged in time, the failure rate of the components 8 is reduced, and the service life of the components 8 is prolonged indirectly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A GGD feed cabinet with high heat dissipation performance comprises a cabinet body (1), and is characterized in that an electric fan (2) used for blowing to components (8) in the cabinet body (1) is arranged in the cabinet body (1), a refrigeration sheet (3) is arranged in the cabinet body (1), a detection device (4) is arranged in the cabinet body (1), the detection device (4) is used for detecting the temperature in the cabinet body (1) and outputting a detection signal, the detection device (4) is coupled with a control device (5), the control device (5) is used for receiving the detection signal and outputting a control signal, the control device (5) is coupled with an execution device (6), the execution device (6) is used for receiving the control signal and outputting the execution signal to the refrigeration sheet (3) to enable the refrigeration sheet (3) to work or not, when the temperature in the cabinet body (1) is higher than a preset reference value, the execution device (6) outputs an execution signal to the refrigeration piece (3) to enable the refrigeration piece (3) to refrigerate.

2. The GGD power cabinet with high heat dissipation performance according to claim 1, wherein an adjusting member (7) for driving the electric fan (2) to rotate to change the blowing angle of the electric fan (2) is arranged in the cabinet body (1), the adjusting member (7) comprises a supporting plate (71), a half gear (72), a ring gear (73) and a driving member (74), the supporting plate (71) is arranged in the cabinet body (1), the half gear (72) is rotatably connected to the supporting plate (71) and has an axis parallel to the ground, the ring gear (73) is rotatably connected to the supporting plate (71) and is meshed with the half gear (72), the driving member (74) is arranged in the cabinet body (1) for driving the ring gear (73) to rotate, and the electric fan (2) is arranged on the half gear (72).

3. The GGD power cabinet according to claim 2, wherein the driving member (74) is a servo motor, the servo motor is disposed on the supporting plate (71), and the output shaft of the servo motor is fixed to the annular teeth (73).

4. The GGD feed cabinet with high heat dissipation performance according to claim 3, wherein a controller for driving the servo motor to rotate forward and backward is arranged in the cabinet body (1).

5. The GGD feed cabinet with high heat dissipation performance according to claim 1, wherein the component (8) is arranged above the air outlet of the electric fan (2), and a heat dissipation strip-shaped opening (12) matched with the first electric fan (2) is formed in a top cover (11) of the cabinet body (1).

6. The GGD power cabinet according to claim 5, wherein the top cover (11) has one or more heat dissipation fins (13) on its outer wall.

7. The GGD power cabinet according to claim 6, wherein the top cover (11) is made of aluminum.

8. The GGD feed cabinet with high heat dissipation performance according to claim 1, wherein an alarm device (9) is arranged on the actuating device (6), and the alarm device (9) responds to a control signal and outputs an alarm signal.