CN209746437U - Power distribution cabinet temperature control system - Google Patents
Power distribution cabinet temperature control system Download PDFInfo
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- CN209746437U CN209746437U CN201921068414.2U CN201921068414U CN209746437U CN 209746437 U CN209746437 U CN 209746437U CN 201921068414 U CN201921068414 U CN 201921068414U CN 209746437 U CN209746437 U CN 209746437U
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- temperature control
- cooling
- power distribution
- distribution cabinet
- control system
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Abstract
The utility model relates to the technical field of power supply equipment, in particular to a temperature control system of a power distribution cabinet; the technical scheme is as follows: a temperature control system of a power distribution cabinet comprises a cooling water tank, wherein a water outlet end of the cooling water tank is connected with a circulating water pump, and the circulating water pump is connected with a cooling main pipe; the cooling branch pipes and the first temperature control switches are arranged in each cavity of the cabinet body of the power distribution cabinet; the cooling branch pipe is arranged in a bent mode, one end of the cooling branch pipe is connected with the cooling main pipe, and the other end of the cooling branch pipe is connected with the water return end of the cooling water tank; the first temperature control switch is electrically connected with the circulating water pump through an OR gate circuit, and the OR gate circuit is electrically connected with a power supply. In sending each cavity of each cabinet body to cooling water by circulating water pump, circulating water pump passes through first temperature detect switch cooperation or gate circuit control, can be with the internal temperature control of cabinet in normal range. The utility model has the characteristics of simple structure, temperature control are effectual, energy-conserving.
Description
Technical Field
The utility model relates to a power supply unit technical field, concretely relates to switch board temperature control system.
Background
The power distribution cabinet is power equipment which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and plays roles of on-off, control or protection and the like. The automatic reclosing and sectionalizing device mainly comprises a circuit breaker, an isolating switch, a grounding switch, a load switch, an automatic reclosing and sectionalizing device, an operating mechanism, an explosion-proof power distribution device, a switch cabinet and the like. Because electric elements, buses and the like in the power distribution cabinet can generate heat during working, the temperature of gas in the power distribution cabinet is too high, and the normal work and the service life of the electric elements in the power distribution cabinet are influenced. For this reason need set up heat radiation structure on the switch board, current switch board generally sets up vent or ventilation shutter or installs the fan additional on the cabinet body. The ventilation opening or the ventilation shutter is adopted for heat dissipation and is only suitable for the power distribution cabinet which has small volume, less internal electrical elements and less heat productivity and is placed indoors. To the cabinet body bulky, the big switch board that generates heat of electric element, all adopt radiator fan to dispel the heat. Because the switch board is bulky, be provided with a plurality of cavities, the electric elements heating power difference in each cavity is great, and fan power is limited, and the air current has the region that the velocity of flow is very slow and leads to local high temperature, is difficult to guarantee that the electric elements in the switch board is all normally worked, generally need set up a plurality of radiator fan, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
To the technical problem that the switch board needs the dehumidification, the utility model provides a switch board temperature control system can carry out abundant cooling to the gas in the switch board, prevents that the interior high temperature of switch board, has simple structure, energy-conserving characteristics.
The utility model discloses a following technical scheme realizes:
A temperature control system of a power distribution cabinet comprises a cooling water tank, wherein a water outlet end of the cooling water tank is connected with a circulating water pump, and the circulating water pump is connected with a cooling main pipe; the cooling branch pipes and the first temperature control switches are arranged in each cavity of the cabinet body of the power distribution cabinet; the cooling branch pipe is arranged in a bent mode, one end of the cooling branch pipe is connected with the cooling main pipe, and the other end of the cooling branch pipe is connected with the water return end of the cooling water tank; the first temperature control switch is electrically connected with the circulating water pump through an OR gate circuit, and the OR gate circuit is electrically connected with a power supply. The utility model discloses, in circulating water pump sent the cooling water to each chamber of each cabinet body, can carry out abundant cooling, simple structure to the gas of switch board. Meanwhile, the circulating water pump is controlled by the first temperature control switch in a matching way or a gate circuit, and when the temperature of any chamber in the cabinet body reaches a critical value, the circulating water pump is started to cool; when the temperature of all the chambers in the cabinet body is lower than the critical value, the circulating water pump stops working, the temperature in the cabinet body can be controlled in a normal range, and electric energy is saved.
Furthermore, the cooling branch pipe is connected with a temperature control valve, and the temperature control valve is used for controlling the flow of cooling water of the cooling branch pipe. The flow of cooling water of each cooling branch pipe is controlled by the temperature control valve, the utilization rate of the circulating water pump can be improved, and electric energy is further saved.
As specific embodiments of the thermo-valve: the temperature control valve comprises a valve core and a shell, wherein a cavity is arranged in the shell and is used for containing working media; and a piston and a reset spring are also adapted in the cavity, the piston is used for pushing the valve core, and the reset spring is used for resetting the piston.
Preferably, the temperature control valve is fixed in the middle of each chamber of the cabinet body so as to accurately obtain the temperature in each chamber of the cabinet body.
Preferably, the cooling branch pipe is a flat pipe to increase the contact area of the cooling branch pipe and the gas in the cabinet body.
Preferably, the cooling branch pipes are a plurality of U-shaped pipes connected in series, so that the stay time of cooling water in the cooling branch pipes is prolonged, and the cooling water and the gas in the cabinet body are ensured to perform sufficient heat exchange.
furthermore, the cooling water tank is provided with a transparent observation window, and a temperature sensing material is pasted on the inner side of the transparent observation window, so that maintenance personnel can visually acquire temperature information of cooling water in the cooling water tank.
Preferably, a second temperature control switch is arranged in the cooling water tank, and the second temperature control switch is electrically connected with a buzzer. The water temperature in the cooling water tank can be monitored in real time, and when the temperature exceeds a set value, a buzzer sends out a warning to remind maintenance personnel to replace cooling water or take other heat dissipation measures.
Preferably, the cooling water tank is arranged on the outer side of the bottom of the cabinet body, so that the cooling water tank can perform sufficient heat exchange with the ground, and the phenomenon that the temperature of water in the cooling water tank rises too fast to improve the replacement frequency of cooling water is prevented.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
The water outlet end of the cooling water tank is sequentially provided with a circulating water pump, a cooling main pipe, a cooling branch pipe and a first temperature control switch, wherein the cooling branch pipe and the first temperature control switch are arranged in each cavity of the cabinet body of the power distribution cabinet; and one end of the cooling branch pipe is connected with the cooling main pipe, the other end of the cooling branch pipe is connected with the water return end of the cooling water tank, and the first temperature control switch is electrically connected with the circulating water pump through an OR gate circuit. And cooling water is delivered into each cavity of each cabinet body by a circulating water pump, so that the gas of the power distribution cabinet can be fully cooled. Meanwhile, the circulating water pump is controlled by the first temperature control switch in a matching way or a gate circuit, and when the temperature of any chamber in the cabinet body reaches a critical value, the circulating water pump is started to cool; when the temperature of all the chambers in the cabinet body is lower than the critical value, the circulating water pump stops working, the temperature in the cabinet body can be controlled in a normal range, and electric energy is saved. Therefore, the utility model has the characteristics of simple structure, good temperature control effect and energy conservation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural view of a thermo-valve.
Reference numbers and corresponding part names in the drawings:
1-cabinet body, 2-cooling water tank, 3-circulating water pump, 4-cooling main pipe, 5-cooling branch pipe, 6-valve seat, 7-temperature control valve, 8-valve core, 9-shell, 10-cavity, 11-piston, 12-reset spring and 13-observation window.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
With reference to fig. 1, a switch board temperature control system, includes cooling water tank 2, cooling water tank 2 goes out the water end and is connected with circulating water pump 3, circulating water pump 3 is connected with cooling main pipe 4, and cooling main pipe 4 sets up inside the top of the cabinet body usually. The cooling device also comprises a plurality of cooling branch pipes 5 and a plurality of first temperature control switches, wherein the cooling branch pipes 5 and the first temperature control switches 3 are arranged in each cavity of the cabinet body 1 of the power distribution cabinet; that is, each chamber in the cabinet 1, such as a switch room, a bus bar room, a metering room, etc., is provided with the cooling branch pipe 5 and the first temperature control switch. The cooling branch pipe 5 is arranged in a bent mode so that the cold liquid shortage and the gas in the cabinet body 1 can be subjected to sufficient heat exchange. One end of the cooling branch pipe 5 is connected with the cooling main pipe 4, and the other end of the cooling branch pipe 5 is connected with the water return end of the cooling water tank 4. The first temperature control switch is electrically connected with the circulating water pump 3 through an OR gate circuit, the OR gate circuit is electrically connected with a power supply, and it can be understood that the circulating water pump 3 is connected with the power supply through the OR gate circuit, and the closing of the OR gate circuit determines the state of the first temperature control switch.
the utility model discloses make, in sending the cooling water to each chamber of each cabinet body 1 by circulating water pump 3, can carry out abundant cooling, simple structure to the gas of switch board. Meanwhile, the circulating water pump 3 is matched with the OR gate circuit through the first temperature control switch, when the temperature of any cavity in the cabinet body 1 reaches a critical value, the first temperature control switch is closed, the OR gate circuit is triggered to be conducted, and then the circulating water pump 3 is powered on to start the circulating water pump 3 to cool. When the temperature of all the chambers in the cabinet body 1 is lower than the critical value, the OR gate circuit is disconnected, and the circulating water pump 3 stops working. Therefore the utility model discloses can be with the temperature control in the cabinet body 1 at normal range to when the internal gas temperature of cabinet is at normal range, all parts all do not consume the electric energy, consequently can practice thrift the electric energy.
further, the cooling branch pipe 5 is connected with a temperature control valve 7, and it can be understood that the temperature control valve 7 can control an opening port of the valve according to the temperature of the fluid in the pipe, that is, the temperature control valve 7 is used for controlling the flow rate of the cooling water of the cooling branch pipe 5. The flow of cooling water of each cooling branch pipe 5 is controlled by the temperature control valve 7, the utilization rate of the circulating water pump 3 can be improved, and electric energy is further saved.
As shown in fig. 2, as a specific embodiment of the thermo valve 7: the temperature control valve 7 comprises a valve seat 6, a valve core 8 and a shell 9. Specifically, the valve seat 6 is provided with a through cavity penetrating left and right for the circulation of the coolant, and one end of the valve element 8 is inserted into the through cavity and the other end is inserted into the housing 9. A cavity 10 is arranged in the shell 9, the cavity 10 is used for containing working media, that is, working media such as common low-temperature working media ammonia, mercury, non-halogenated hydrocarbon and the like are filled in the cavity 10 when the shell is used. The cavity 10 is also adapted with a piston 11 and a return spring 12, one end of the valve core 8 is fixedly connected with the piston 11, the return spring 12 is sleeved outside the valve core 8 and is positioned between the valve seat 6 and the piston 11, namely, the piston 11 is used for pushing the valve core 8, and the return spring 12 is used for returning the piston 11. When the working medium expands due to heating, the valve core 8 is pushed to move, and when the working medium contracts due to cooling, the reset spring 12 pushes the valve core 8 to move back, so that the effective flow area of the through cavity of the thermo-sensitive valve 7 can be controlled according to the change of the temperature in the cabinet body. Has the characteristics of small volume and simple structure.
Preferably, the temperature control valve 7 is fixed in the middle of each chamber of the cabinet body 1 so as to accurately obtain the temperature in each chamber of the cabinet body 1.
Preferably, the cooling branch pipes 5 are flat pipes to increase the contact area between the cooling branch pipes 5 and the gas in the cabinet body, thereby ensuring the heat exchange efficiency.
preferably, the cooling branch pipes 5 are a plurality of U-shaped pipes connected in series, so that the stay time of the cooling water in the cooling branch pipes 5 is prolonged, and the cooling water and the gas in the cabinet body 1 are ensured to perform sufficient heat exchange. While ensuring that every corner within the cabinet 1 can be cooled.
further, the cooling water tank 2 is provided with a transparent observation window 13, and the water level and the water quality in the cooling water tank 2 can be observed through the transparent observation window 13. The temperature sensing material is pasted on the inner side of the transparent observation window 13, so that maintenance personnel can visually acquire temperature information of cooling water in the cooling water tank 2 conveniently, and timely maintenance can be carried out.
Preferably, a second temperature control switch is arranged in the cooling water tank 2, the second temperature control switch is electrically connected with a buzzer, and the buzzer is connected with the power supply through the second temperature control switch. The water temperature in the cooling water tank 2 can be monitored in real time through the second temperature control switch; when the temperature exceeds the set value, the second temperature control switch is closed to supply power to the buzzer, and the buzzer gives an alarm to remind maintenance personnel to replace cooling water or take other heat dissipation measures, such as cooling the cooling water.
preferably, the cooling water tank 2 is arranged at the outer side of the bottom of the cabinet body 1. During installation, the cold water tank 2 can be directly placed on the ground or embedded underground or buried underground, so that the cooling water tank 2 and the ground can perform sufficient heat exchange, and the phenomenon that the water temperature in the cooling water tank 2 rises too fast to improve the replacement frequency of cooling water is prevented.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a switch board temperature control system, includes cooling water tank (2), its characterized in that: the water outlet end of the cooling water tank (2) is connected with a circulating water pump (3), and the circulating water pump (3) is connected with a cooling main pipe (4);
The cooling branch pipes (5) and the first temperature control switches are arranged in cavities of the cabinet body (1) of the power distribution cabinet;
The cooling branch pipe (5) is arranged in a bent mode, one end of the cooling branch pipe (5) is connected with the cooling main pipe (4), and the other end of the cooling branch pipe (5) is connected with the water return end of the cooling water tank (2);
the first temperature control switch is electrically connected with the circulating water pump (3) through an OR gate circuit, and the OR gate circuit is electrically connected with a power supply.
2. The temperature control system of a power distribution cabinet according to claim 1, wherein: the cooling branch pipe (5) is connected with a temperature control valve (7), and the temperature control valve (7) is used for controlling the flow of cooling water of the cooling branch pipe (5).
3. The temperature control system of a power distribution cabinet according to claim 2, wherein: the temperature control valve (7) comprises a valve core (8) and a shell (9), a cavity (10) is arranged in the shell (9), and the cavity (10) is used for containing working media;
A piston (11) and a return spring (12) are also matched in the cavity (10), the piston (11) is used for pushing the valve core (8), and the return spring (12) is used for returning the piston (11).
4. The temperature control system of a power distribution cabinet according to claim 3, wherein: the temperature control valve (7) is fixed in the middle of each chamber of the cabinet body (1).
5. the temperature control system of the power distribution cabinet according to any one of claims 1 to 4, wherein: the cooling branch pipes (5) are flat pipes.
6. The temperature control system of a power distribution cabinet according to claim 5, wherein: the cooling branch pipes (5) are a plurality of U-shaped pipes connected in series.
7. the temperature control system of a power distribution cabinet according to claim 1, wherein: the cooling water tank (2) is provided with a transparent observation window (13), and a temperature sensing material is pasted on the inner side of the transparent observation window (13).
8. The temperature control system of a power distribution cabinet according to claim 1, wherein: and a second temperature control switch is arranged in the cooling water tank (2), and the second temperature control switch is electrically connected with a buzzer.
9. The temperature control system of a power distribution cabinet according to claim 1, wherein: the cooling water tank (2) is arranged on the outer side of the bottom of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068414.2U CN209746437U (en) | 2019-07-09 | 2019-07-09 | Power distribution cabinet temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068414.2U CN209746437U (en) | 2019-07-09 | 2019-07-09 | Power distribution cabinet temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209746437U true CN209746437U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921068414.2U Active CN209746437U (en) | 2019-07-09 | 2019-07-09 | Power distribution cabinet temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209746437U (en) |
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2019
- 2019-07-09 CN CN201921068414.2U patent/CN209746437U/en active Active
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