CN204668089U - Rectifier transformer liquid-cooling system and liquid-cooling system - Google Patents
Rectifier transformer liquid-cooling system and liquid-cooling system Download PDFInfo
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- CN204668089U CN204668089U CN201520294811.7U CN201520294811U CN204668089U CN 204668089 U CN204668089 U CN 204668089U CN 201520294811 U CN201520294811 U CN 201520294811U CN 204668089 U CN204668089 U CN 204668089U
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Abstract
The utility model relates to rectifier transformer liquid-cooling system and liquid-cooling system.Rectifier transformer liquid-cooling system comprises rectifier cabinet, cooling device and control device, rectifier transformer is contained in rectifier cabinet, cooling device comprises cooler and circulating water pump, a heat-radiation loop is connected into by liquid communication pipeline between cooler and circulating water pump, control device comprises PLC and the temperature sensor for fluid temperature in testing pipes, the circuit breaker of PLC in the input that controls rectifier transformer or outlet line, temperature sensor exports and connects temperature digital display meter, and temperature digital display meter exports the overtemperature alarm signal input part connecting PLC.The more traditional water-cooling system of rectifier transformer liquid-cooling system that the utility model provides effectively improves operation stability in use, avoid the situation of the electric elements scaling loss occurring equipment, prevent the consequence burning out other security incidents that may cause due to equipment.
Description
Technical field
The utility model relates to rectifier transformer liquid-cooling system and liquid-cooling system.
Background technology
Be illustrated in figure 1 a kind of existing cooling system for rectifier transformer, comprise cooler and circulating water pump, a loop is connected into by liquid communication pipeline between cooler and water pump, liquid circulates in this loop, reach the effect of cooling, a wherein place in this loop is provided with electric contact thermometer, for the temperature of the liquid in moment measure loop, one of them input of this electric contact thermometer connection control device, electric contact thermometer inside can arrange a temperature threshold, when the fluid temperature that thermometer detects arrives greatly this threshold value, COOLANT TEMPERATURE, be unfavorable for taking away the heat that rectifier transformer distributes, now thermometer is to controller signal, controller carries out reporting to the police according to the signal controlling received and controls the circuit breaker trip on the input of rectifier transformer or the circuit of output, prevent rectifier transformer from burning out.
But the electric contact thermometer in above-mentioned cooling system is owing to being mechanical indicator triggering; and the threshold value of setting is also mechanical; in actual use, frequent meeting damage because of the frequent fluctuation of coolant rate, the useful life of electric contact thermometer is very of short duration, approximately only has 1-2 month.Electric contact thermometer also can cause the mistake of output signal because of the frequent fluctuation of coolant rate, when outputing signal mistake, have two kinds of consequence: Yi Zhongshi, in normal operating conditions, electric contact thermometer exports overtemperature signal, and then misreport of system is warned and the line-breaker mistrip of rectifier transformer, affects the normal work of rectifier transformer; Another kind is, when line-breaker needs to trip, electric contact thermometer does not export due signal, and rectifier transformer works long hours at too high a temperature and can cause the electric elements scaling loss of rectifier transformer or the damage of other equipment.Above-mentioned two situations not only all can affect the normal work of rectifier transformer, but also may cause the electric elements scaling loss of rectifier transformer or the damage of other equipment.More seriously, burning out of equipment may cause other follow-up security incidents, such as fire.
Utility model content
The purpose of this utility model is to provide a kind of rectifier transformer liquid-cooling system, in order to solve the flimsy problem of electric contact thermometer in traditional water-cooling system; The utility model provides a kind of liquid-cooling system simultaneously.
For achieving the above object, scheme of the present utility model comprises a kind of rectifier transformer liquid-cooling system, comprise rectifier cabinet, cooling device and control device, rectifier transformer is contained in rectifier cabinet, described cooling device comprises cooler and circulating water pump, a heat-radiation loop is connected into by liquid communication pipeline between cooler and circulating water pump, described control device comprises PLC and the temperature-detecting device for fluid temperature in testing pipes, PLC sampling connects described temperature-detecting device, the circuit breaker of described PLC in the input that controls rectifier transformer or outlet line, described temperature-detecting device is temperature sensor, described control device also comprises a temperature digital display meter, described temperature sensor exports and connects described temperature digital display meter, described temperature digital display meter exports the overtemperature alarm signal input part connecting described PLC.
Described temperature sensor is PT100 thermal resistance.
Described liquid-cooling system is water cooling system.
Described control device also comprises a pressure sensor for fluid pressure in testing pipes, and described pressure sensor exports connection pressure digital display meter, and described pressure digital display meter exports the decompression trip signal input connecting described PLC.
Described temperature sensor is arranged on the delivery port of described circulating water pump.
A kind of liquid-cooling system, comprise cooling device and control device, described cooling device comprises cooler and circulating water pump, a heat-radiation loop is connected into by liquid communication pipeline between cooler and circulating water pump, described control device comprises PLC and the temperature-detecting device for fluid temperature in testing pipes, PLC sampling connects described temperature-detecting device, described temperature-detecting device is temperature sensor, described control device also comprises a temperature digital display meter, described temperature sensor exports and connects described temperature digital display meter, described temperature digital display meter exports the signal input part connecting described PLC.
Described temperature sensor is PT100 thermal resistance.
Described liquid-cooling system is water cooling system.
Described control device also comprises a pressure sensor for fluid pressure in testing pipes, and described pressure sensor exports connection pressure digital display meter, and described pressure digital display meter exports another signal input part connecting described PLC.
Described temperature sensor is arranged on the delivery port of described circulating water pump.
In liquid-cooling system in the utility model, the compound mode of temperature sensor and temperature digital display meter is utilized to substitute former electric contact thermometer, first, temperature sensor and temperature digital display meter are all electronic device, than stable equipment operation in machinery, and there will not be the problems such as wearing and tearing or the damage that occurs due to frequent swing.
And temperature sensor can export temperature value comparatively accurately, its fluctuation is little, stable output, a little repair, thus can reach the object of detected temperatures stable operation; Temperature digital display meter can be arranged arbitrarily temperature threshold, when reality detect temperature value be elevated to equal setting threshold time, to controller output signal, this compound mode is owing to being all electronic device, the situation of output error signal can not be there is in it because of mechanical failure, so the accuracy of its output signal is higher.
In addition, temperature sensor and temperature digital display meter are electronic device, and its electric elements are longer for useful life, generally can use 4-5.And temperature sensor and temperature digital display meter are arranged separately, temperature digital display meter can be arranged in the comparatively good control room of operational environment, the scene that operational environment is comparatively severe need not be arranged on, increase the useful life of temperature digital display meter further.
The more traditional water-cooling system of the liquid-cooling system that the utility model provides effectively improves operation stability in use, avoids the situation of the electric elements scaling loss occurring equipment, prevents the consequence burning out other security incidents that may cause due to equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of water cooling system of the prior art;
Fig. 2 is the structural representation of rectifier transformer liquid-cooling system embodiment 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Rectifier transformer liquid-cooling system embodiment 1
Rectifier transformer water cooling system as shown in Figure 2, comprises rectifier cabinet, cooling device and control device.Cooling device comprises water forced air cooler and circulating water pump, certainly, as other embodiment, also can adopt other forms of cooler.A circulation cooling loop is connected into by water pipe between water forced air cooler and circulating water pump.In order to the cooling water in replenishment system at any time, a supply tank is set in a high position for cooling device, the delivery port of this supply tank and circuit communication, certainly, supply tank not only can be arranged on a high position, as long as can carry out supplementary cooling water, also can be arranged on other positions.Conveniently keep in repair accordingly each part in cooling device and safeguard, the several set point places string in this circulation circuit is provided with valve.
This cooling device is used for dispelling the heat for rectifier transformer, and rectifier transformer is placed in rectifier cabinet, and the annexation between heat dissipation pipe and the rectifier cabinet that rectifier transformer is housed is existing routine techniques, repeats no more here.
Control device comprises pressure sensor, PT100 thermal resistance, pressure digital display meter, temperature digital display meter and PLC.Pressure sensor is used for the pressure of testing pipes inner cooling water, and PT100 thermal resistance is used for the temperature of testing pipes inner cooling water, and pressure sensor and PT100 thermal resistance are all arranged on the delivery port of circulating water pump.Certainly, as other embodiment, pressure sensor and PT100 thermal resistance also can be arranged on other positions in circulation circuit.Pressure sensor exports and connects this pressure digital display meter, and PT100 thermal resistance exports and connects this temperature digital display meter.Pressure transmitter signal in Fig. 2 is the signal that pressure sensor exports, and pressure digital display secondary instrument in Fig. 2 and temperature digital-display secondary instrument are pressure digital display meter and temperature digital display meter respectively.The force value received can show by pressure digital display meter, and this pressure digital display meter can arrange a pressure threshold, for comparing with the force value detected; The temperature value received can show by temperature digital display meter, and can arrange a temperature threshold, for comparing with the temperature value detected.
Pressure digital display meter exports the decompression trip signal input connecting PLC, and temperature digital display meter exports the overtemperature alarm signal input part connecting PLC.PLC control connection rectifier transformer input or outlet line on circuit breaker, for controlling this breaker closing or shutoff, control rectifier transformer exit or line attachment.
As other embodiment, this cooling system can also use the temperature sensor of other types, the temperature sensor used due to the present embodiment is PT100 thermal resistance, so, pressure sensor and PT100 thermal resistance detect the pressure and temperature of the cooling water in circulation circuit in real time, and the numerical value detected is exported to pressure digital display meter and temperature digital display meter respectively, when the force value of the cooling water detected is reduced to identical with the pressure threshold arranged in pressure digital display meter, pressure digital display meter is to PLC decompression trip signal, PLC disconnects according to the circuit breaker on the signal controlling rectifier transformer input received or outlet line, control rectifier transformer and exit circuit, thus protection rectifier transformer, avoid its scaling loss, when the temperature value of the cooling water detected rises to identical with the temperature threshold arranged in temperature digital display meter, temperature digital display meter is to PLC overtemperature alarm signal, PLC carries out reporting to the police according to the signal controlling received and the circuit breaker controlled on rectifier transformer input or outlet line disconnects, control rectifier transformer and exit circuit, thus protection rectifier transformer, avoid its scaling loss.The logical relation of above-mentioned decompression trip signal and overpressure alarm signal is or relation, that is, as long as PLC receives one of them signal just control circuit breaker disconnection, available protecting rectifier transformer.
The cut-off breaker when the pressure of the cooling water in heat-radiation loop is too small, be because: hydraulic pressure is too small is because the flow velocity of cooling water flow quantity not sufficient or water is excessively slow, be unfavorable for fast the heat that rectifier transformer produces being taken away, rectifier transformer internal temperature is more and more higher, rectifier transformer will be burnt out for a long time, so need timely cut-off breaker in the past.
In above-described embodiment, the medium in cooling system is water, and as other embodiment, the liquid circulated in the circulation circuit of cooling system also can be the cooling fluid of other types.
Rectifier transformer liquid-cooling system embodiment 2
The difference of the present embodiment and embodiment 1 is, adopt electric contact pressure meter of the prior art to come pressure sensor in alternative embodiment 1 and pressure digital display meter in cooling system in the present embodiment, carry out the pressure of the cooling water in detection system and export to the corresponding signal of controller.
Rectifier transformer liquid-cooling system embodiment 3
The difference of the present embodiment and embodiment 1 is, temperature sensor is only had in cooling system in the present embodiment, do not relate to pressure sensor, so only detect the temperature of cooling water in this cooling system, control the circuit breaker on the input of rectifier transformer or outlet line according to temperature value, this embodiment does not relate to the pressure of detection cooling water and controls accordingly.
Liquid-cooling system embodiment 1
This liquid-cooling system embodiment is identical with rectifier transformer liquid-cooling system embodiment 1, does not repeat at this.
In this embodiment, cooling system is used for dispelling the heat for rectifier transformer, and as other embodiment, this cooling system can also dispel the heat for other power apparatus, such as the converter valve in DC transmission system, the circuit breaker of PLC in the input that controls converter valve or outlet line.
Liquid-cooling system embodiment 2
This liquid-cooling system embodiment is identical with rectifier transformer liquid-cooling system embodiment 2, does not repeat at this.
In this embodiment, cooling system is used for dispelling the heat for rectifier transformer, and as other embodiment, this cooling system can also dispel the heat for other power apparatus, such as the converter valve in DC transmission system, the circuit breaker of PLC in the input that controls converter valve or outlet line.
Liquid-cooling system embodiment 3
This liquid-cooling system embodiment is identical with rectifier transformer liquid-cooling system embodiment 3, does not repeat at this.
In this embodiment, cooling system is used for dispelling the heat for rectifier transformer, and as other embodiment, this cooling system can also dispel the heat for other power apparatus, such as the converter valve in DC transmission system, the circuit breaker of PLC in the input that controls converter valve or outlet line.
Be presented above concrete execution mode, but the utility model is not limited to described execution mode.The change carried out execution mode when not departing from principle of the present utility model and spirit, amendment, replacement and modification still fall in protection range of the present utility model.
Claims (10)
1. a rectifier transformer liquid-cooling system, comprise rectifier cabinet, cooling device and control device, rectifier transformer is contained in rectifier cabinet, described cooling device comprises cooler and circulating water pump, a heat-radiation loop is connected into by liquid communication pipeline between cooler and circulating water pump, described control device comprises PLC and the temperature-detecting device for fluid temperature in testing pipes, PLC sampling connects described temperature-detecting device, the circuit breaker of described PLC in the input that controls rectifier transformer or outlet line, it is characterized in that, described temperature-detecting device is temperature sensor, described control device also comprises a temperature digital display meter, described temperature sensor exports and connects described temperature digital display meter, described temperature digital display meter exports the overtemperature alarm signal input part connecting described PLC.
2. rectifier transformer liquid-cooling system according to claim 1, is characterized in that, described temperature sensor is PT100 thermal resistance.
3. rectifier transformer liquid-cooling system according to claim 1, is characterized in that, described liquid-cooling system is water cooling system.
4. rectifier transformer liquid-cooling system according to claim 1, it is characterized in that, described control device also comprises a pressure sensor for fluid pressure in testing pipes, described pressure sensor exports connection pressure digital display meter, and described pressure digital display meter exports the decompression trip signal input connecting described PLC.
5. rectifier transformer liquid-cooling system according to claim 1, is characterized in that, described temperature sensor is arranged on the delivery port of described circulating water pump.
6. a liquid-cooling system, comprise cooling device and control device, described cooling device comprises cooler and circulating water pump, a heat-radiation loop is connected into by liquid communication pipeline between cooler and circulating water pump, described control device comprises PLC and the temperature-detecting device for fluid temperature in testing pipes, PLC sampling connects described temperature-detecting device, it is characterized in that, described temperature-detecting device is temperature sensor, described control device also comprises a temperature digital display meter, described temperature sensor exports and connects described temperature digital display meter, described temperature digital display meter exports the signal input part connecting described PLC.
7. liquid-cooling system according to claim 6, is characterized in that, described temperature sensor is PT100 thermal resistance.
8. liquid-cooling system according to claim 6, is characterized in that, described liquid-cooling system is water cooling system.
9. liquid-cooling system according to claim 6, it is characterized in that, described control device also comprises a pressure sensor for fluid pressure in testing pipes, described pressure sensor exports connection pressure digital display meter, and described pressure digital display meter exports another signal input part connecting described PLC.
10. liquid-cooling system according to claim 6, is characterized in that, described temperature sensor is arranged on the delivery port of described circulating water pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294811.7U CN204668089U (en) | 2015-05-08 | 2015-05-08 | Rectifier transformer liquid-cooling system and liquid-cooling system |
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| CN201520294811.7U CN204668089U (en) | 2015-05-08 | 2015-05-08 | Rectifier transformer liquid-cooling system and liquid-cooling system |
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| CN204668089U true CN204668089U (en) | 2015-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113010384A (en) * | 2021-03-17 | 2021-06-22 | 喻孟 | Information system terminal based on computer data collection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113010384A (en) * | 2021-03-17 | 2021-06-22 | 喻孟 | Information system terminal based on computer data collection |
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Address after: Dong Jiao Bian Cun, Shunhe District, Kaifeng City, Henan Province Patentee after: Kaifeng Pingmei new carbon material technology Co., Ltd Address before: The eastern outskirts of Henan Province City Shunhe District 475002 Village Patentee before: Kaifeng Carbon Co., Ltd., China Pingmei Shenma Group |