CN210328404U - Air water cooling equipment of high-voltage inverter - Google Patents
Air water cooling equipment of high-voltage inverter Download PDFInfo
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- CN210328404U CN210328404U CN201921145136.6U CN201921145136U CN210328404U CN 210328404 U CN210328404 U CN 210328404U CN 201921145136 U CN201921145136 U CN 201921145136U CN 210328404 U CN210328404 U CN 210328404U
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Abstract
The utility model discloses a high-voltage inverter air water cooling equipment relates to high-voltage inverter technical field. The utility model comprises a high-voltage frequency conversion chamber, an electric control module, a static pressure box air channel, a booster fan and a water cooling device which are communicated in sequence; the water cooling equipment is provided with an air outlet; the static pressure box air duct is provided with an emergency air outlet; an electric valve is arranged at the emergency air outlet; the high-voltage frequency conversion chamber is provided with an emergency air inlet; a water receiving tray for receiving leakage of the water cooling equipment is arranged below the water cooling equipment, and is provided with a liquid level switch for detecting the liquid level height in the water receiving tray; the electric control module is used for receiving a detection signal of the liquid level switch and controlling the start and stop of the booster fan and the opening and closing of the electric valve according to the detection signal. The utility model discloses can detect the water-cooling equipment weeping to self-closing booster fan when the water-cooling equipment takes place the weeping opens emergent air exit simultaneously, effectively protects the high-voltage inverter.
Description
Technical Field
The utility model relates to a high-voltage inverter technical field, concretely relates to high-voltage inverter air water cooling equipment.
Background
The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. With the rapid development of modern power electronic technology and microelectronic technology, high-voltage high-power variable-frequency speed regulation devices are continuously mature, and the high-voltage problem which is difficult to solve originally is solved well in recent years by device series connection or unit series connection.
High-voltage inverter generally installs in the high-voltage inverter, high-voltage inverter can produce high temperature at the operation in-process, these heats mainly spill through the radiator fan at high-voltage inverter top, consequently can have a large amount of high-temperature gas in high-voltage inverter's radiator fan exit, these high-temperature gas can make the indoor temperature of high-voltage inverter rise, need carry out timely cooling to the high-voltage inverter in, otherwise the phenomenon that high temperature burns out high-voltage inverter will appear.
Therefore, in the prior art, the high-voltage inverter generally needs to be matched with a set of air cooling system for use, and the air cooling system is used for reducing the temperature in the high-voltage inverter room. Air cooling system among the prior art is including air intake, wind channel, booster fan, water cooling plant and the air outlet that communicates in proper order, and the high temperature gas that radiator fan flows out gets into the wind channel from air intake department, then gets into water cooling plant through booster fan, flows out from air outlet department after cooling in water cooling plant to this reduces the indoor temperature of high-pressure frequency conversion.
The water cooling equipment is provided with a plurality of heat exchange tubes, gas circulates in the heat exchange tubes, liquid circulates outside the heat exchange tubes, and heat exchange is carried out between the two fluids through the tube walls of the heat exchange tubes. The water cooling equipment may have a leakage problem due to the aging of the equipment after being used for a long time. The existing air cooling system only depends on the leakage detection function of the water cooling equipment, can only find the leakage of the water cooling equipment in the operation process, and cannot automatically perform corresponding emergency treatment after finding the leakage. Because booster fan's continuous operation behind the weeping, the liquid of outer hourglass will mix and get into in the high-pressure frequency conversion room in gaseous for the indoor gas of high-pressure frequency conversion has mixed water smoke and moisture, and this will cause the harm to the high-voltage inverter, has very big potential safety hazard. On the other hand, because the water cooling equipment weeping, it will be unable to realize normal cooling function, and the temperature in the high-pressure inverter room will continuously rise, if unable in time discover and handle, will appear the phenomenon that high temperature damaged high-pressure inverter.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a high-voltage inverter air water cooling equipment. The utility model discloses can detect the water-cooling equipment weeping to self-closing booster fan when the water-cooling equipment takes place the weeping prevents that steam from causing the harm to high-voltage inverter, opens emergent air exit simultaneously, reduces the indoor temperature of high-voltage frequency conversion, prevents that high-voltage inverter from damaging because of high temperature.
The utility model relates to a high-voltage inverter air water cooling equipment, which comprises a high-voltage frequency conversion chamber, an electric control module, a static pressure box air duct, a booster fan and water cooling equipment which are sequentially communicated; the high-voltage frequency converter is arranged in the high-voltage frequency conversion chamber; the water cooling equipment is used for cooling high-temperature gas generated by the high-voltage frequency converter and is provided with an air outlet communicated with the interior of the high-voltage frequency converter chamber; one end of the static pressure box air duct is communicated with an air outlet of the heat dissipation fan, and the other end of the static pressure box air duct is communicated with an air inlet of the booster fan; the static pressure box air duct is provided with an emergency air outlet communicated with the outside of the high-pressure frequency conversion chamber; an electric valve is arranged at the emergency air outlet; the high-voltage frequency conversion chamber is provided with an emergency air inlet communicated with the outside;
a water receiving tray for receiving leakage of the water cooling equipment is arranged below the water cooling equipment, and a liquid level switch for detecting the liquid level height in the water receiving tray is arranged on the water receiving tray;
the electric control module is used for receiving a detection signal of the liquid level switch and controlling the start and stop of the booster fan and the opening and closing of the electric valve according to the detection signal.
Preferably, the device also comprises a warning lamp and a buzzer; the electric control module controls the start and stop of the warning lamp and the buzzer according to the detection signal of the liquid level switch.
Preferably, the middle part of the bottom surface of the water pan is downwards concave.
Preferably, the liquid level switch is arranged in the middle of the water pan.
A high-voltage inverter air water-cooling equipment, its advantage lies in:
1. when the water cooling equipment normally works, high-temperature gas enters the static pressure box air channel, then passes through the booster fan, is cooled in the water cooling equipment, and then flows out from the air outlet. When the water cooling equipment leaks, the leaked liquid can flow into the water receiving tray below the water cooling equipment. At the moment, the liquid level switch in the water pan detects that liquid flows and generates a corresponding detection signal, and the detection signal is input into the electric control module. And the electric control module controls the booster fan to stop working according to the received detection signal and controls the electric valve to open. High-temperature gas flows out from emergent air outlet this moment, because the gas in the high-pressure frequency conversion room runs off, forms the negative pressure in the high-pressure frequency conversion room, and the outdoor gaseous microthermal relatively of high-pressure frequency conversion will get into the high-pressure frequency conversion room through emergent air intake, can reduce the indoor temperature of high-pressure frequency conversion from this, avoids high temperature to lead to the high-pressure frequency converter to receive the harm. The utility model discloses can detect the water-cooling equipment weeping to self-closing booster fan when the water-cooling equipment takes place the weeping prevents that steam from causing the harm to high-voltage inverter, opens emergent air exit simultaneously, reduces the indoor temperature of high-voltage frequency conversion, prevents that high-voltage inverter from damaging because of high temperature.
2. The warning lamp and the buzzer can emit warning light and warning sound when the water cooling equipment leaks, and workers are prompted to maintain and process in time.
3. The middle part of the bottom surface of the water receiving tray is downwards sunken. The liquid level switch is arranged in the middle of the water pan. The liquid leaked by the water cooling equipment can be collected to the middle part of the water receiving tray to be discharged and is detected by the liquid level switch. Because the effect of collecing at water collector middle part, even the volume of the outer liquid that leaks of water-cooling equipment is very little, also can collect the middle part of water collector and by level switch detection, improve the utility model discloses a sensitivity of detection.
Drawings
Fig. 1 is a schematic structural diagram of an air-water cooling device of a high-voltage inverter according to the present invention;
fig. 2 is a schematic diagram of the structure at position a in fig. 1.
Description of reference numerals: 1-plenum box air duct, 11-emergency air outlet, 2-booster fan, 3-water cooling equipment, 4-air outlet, 5-emergency air inlet, 6-electric valve, 7-water pan, 71-water outlet, 8-liquid level switch, 9-high voltage frequency converter and 91-heat dissipation fan.
Detailed Description
As shown in fig. 1 and fig. 2, the air water cooling device of a high-voltage inverter of the present invention comprises a high-voltage frequency conversion chamber, an electric control module, and a static pressure box air duct 1, a booster fan 2 and a water cooling device 3 which are sequentially connected; the high-voltage frequency converter 9 is arranged in the high-voltage frequency conversion chamber; the water cooling equipment 3 is used for cooling high-temperature gas generated by the high-voltage frequency converter 9, and the water cooling equipment 3 is provided with an air outlet 4 communicated with the interior of the high-voltage frequency converter chamber; one end of the static pressure box air duct 1 is communicated with an air outlet of the cooling fan 91, and the other end of the static pressure box air duct is communicated with an air inlet of the booster fan 2; the static pressure box air duct 1 is provided with an emergency air outlet 11 communicated with the outside of the high-pressure frequency conversion chamber; an electric valve 6 is arranged at the emergency air outlet 11; the high-voltage frequency conversion chamber is provided with an emergency air inlet 5 communicated with the outside;
a water pan 7 for receiving liquid leakage of the water cooling equipment 3 is arranged below the water cooling equipment 3, a water outlet 71 is arranged on the water pan 7, and a liquid level switch 8 is arranged at the water outlet 71; the liquid level switch 8 is used for detecting the liquid level height in the water receiving tray 7.
And the electric control module is used for receiving the detection signal of the liquid level switch 8 and controlling the start and stop of the booster fan 2 and the opening and closing of the electric valve 6 according to the detection signal.
When the water cooling device 3 normally works, high-temperature gas flowing out from the cooling fan 91 enters the static pressure box air duct 1, then is cooled in the water cooling device 3 through the booster fan 2, and then flows out from the air outlet 4. When liquid leakage occurs in the water cooling device 3, the leaked liquid flows into the water receiving tray 7 below the water cooling device 3, flows to the water outlet 71 of the water receiving tray 7 and is discharged. At this time, the liquid level switch 8 at the water outlet 71 will detect the liquid flowing and generate a corresponding detection signal, and the detection signal is input into the electronic control module. The electric control module controls the booster fan 2 to stop working according to the received detection signal and controls the electric valve 6 to open. High-temperature gas flows out from emergent air exit 11 this moment, because the gas in the high-pressure frequency conversion room runs off, forms the negative pressure in the high-pressure frequency conversion room, and the outdoor relatively microthermal gas of high-pressure frequency conversion will get into the high-pressure frequency conversion room through emergent air intake 5, can reduce the indoor temperature of high-pressure frequency conversion from this, avoids high temperature to lead to high-pressure frequency converter 9 to receive the harm. The utility model discloses can detect 3 weeping of water-cooling plant to self-closing booster fan 2 when 3 weeping of water-cooling plant takes place prevents that steam from causing the harm to high-voltage inverter 9, opens emergent air exit 11 simultaneously, reduces the indoor temperature of high-voltage inverter, prevents that high-voltage inverter 9 from damaging because of the high temperature.
In this embodiment, the electric valve 6 is composed of an electric actuator for receiving electric control to change the opening and closing of the valve body by the electric control, and a valve body. The model of the electric actuating mechanism is as follows: ZAJ-3.
The liquid level switch 8 is a contact type floating ball type liquid level switch, which is a 304 stainless steel small floating ball switch with high temperature resistance in Eleke. When the liquid leaked from the water cooling device 3 contacts the liquid level switch 8, the internal circuit of the liquid level switch 8 is conducted, so that the corresponding detection signal is generated, and the detection signal is sent to the electric control module.
The electric control module can be a common electric control cabinet which is a common electric control component and has the functions of switching on or switching off a circuit by a manual or automatic switch in normal operation and switching off the circuit or alarming by a protective electric appliance in fault or abnormal operation.
The main components of the electric control cabinet comprise a circuit breaker, a contactor and a thermal relay, and the electric control cabinet mainly realizes a control function through the on-off of the components. In this embodiment, the type of the circuit breaker is: schneider IC 65N/3P/D20A/3P; the type of the contactor is as follows: schneider LC1-D18M 7C; the type of the thermal relay is as follows: schneider LRD16C (9-13A).
In this embodiment, the liquid level switch 8 sends the detection signal to the electronic control module, and after the electronic control module receives the detection signal, the booster fan 2 is stopped through the circuit breaker, the contactor, the thermal relay and other electrical elements, so that the electric valve 6 is opened. Meanwhile, the warning lamp and the buzzer can be controlled to be turned on according to the received detection signal, and workers are prompted to check and overhaul in time.
The middle part of the bottom surface of the water receiving tray 7 is sunken downwards. The water outlet 71 and the liquid level switch 8 are arranged in the middle of the water receiving tray 7. The liquid leaked from the water cooling device 3 is collected to the middle part of the water receiving tray 7 to be discharged, and is detected by the liquid level switch 8. Because the effect of collecing at water collector 7 middle part, even the volume of the outer liquid that leaks of water-cooling plant 3 is very little, also can collect the middle part of water collector 7 and be detected by level switch 8, improve the utility model discloses a detectivity.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (4)
1. The air water cooling equipment for the high-voltage frequency converter is characterized in that a heat radiation fan (91) is arranged at the top of the high-voltage frequency converter (9); the device is characterized by comprising a high-voltage frequency conversion chamber, an electric control module, and a static pressure box air duct (1), a booster fan (2) and a water cooling device (3) which are sequentially communicated; the high-voltage frequency converter (9) is arranged in the high-voltage frequency conversion chamber; the water cooling equipment (3) is used for cooling high-temperature gas generated by the high-voltage frequency converter (9), and the water cooling equipment (3) is provided with an air outlet (4) communicated with the interior of the high-voltage frequency converter chamber; one end of the static pressure box air duct (1) is communicated with an air outlet of the heat dissipation fan (91), and the other end of the static pressure box air duct is communicated with an air inlet of the booster fan (2); the static pressure box air duct (1) is provided with an emergency air outlet (11) communicated with the outside of the high-pressure frequency conversion chamber, and an electric valve (6) is arranged at the emergency air outlet (11); the high-voltage frequency conversion chamber is provided with an emergency air inlet (5) communicated with the outside;
a water pan (7) for receiving leakage of the water cooling equipment (3) is arranged below the water cooling equipment (3), and a liquid level switch (8) for detecting the liquid level height in the water pan (7) is arranged on the water pan (7);
the electric control module is used for receiving a detection signal of the liquid level switch (8) and controlling the start and stop of the booster fan (2) and the opening and closing of the electric valve (6) according to the detection signal.
2. The air water cooling equipment of the high-voltage frequency converter is characterized by further comprising a warning lamp and a buzzer; the electric control module controls the start and stop of the warning lamp and the buzzer according to the detection signal of the liquid level switch (8).
3. The air water cooling equipment of the high-voltage inverter according to claim 1, wherein the middle of the bottom surface of the water pan (7) is recessed downwards.
4. The air water cooling equipment of the high-voltage inverter according to claim 3, wherein the liquid level switch (8) is arranged in the middle of the water pan (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145136.6U CN210328404U (en) | 2019-07-18 | 2019-07-18 | Air water cooling equipment of high-voltage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145136.6U CN210328404U (en) | 2019-07-18 | 2019-07-18 | Air water cooling equipment of high-voltage inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210328404U true CN210328404U (en) | 2020-04-14 |
Family
ID=70124536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921145136.6U Active CN210328404U (en) | 2019-07-18 | 2019-07-18 | Air water cooling equipment of high-voltage inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210328404U (en) |
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2019
- 2019-07-18 CN CN201921145136.6U patent/CN210328404U/en active Active
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Address after: 511300 building g-1, No. 82, Xinsha Avenue North, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Senke Energy Saving Technology Co.,Ltd. Address before: 511300 building g-1, No. 82, Xinsha Avenue North, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Senke Energy Saving Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |