CN209929777U - Automatic temperature control formula direct current of transformer substation screen cabinet cooling device that prevents dust - Google Patents
Automatic temperature control formula direct current of transformer substation screen cabinet cooling device that prevents dust Download PDFInfo
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- CN209929777U CN209929777U CN201920304252.1U CN201920304252U CN209929777U CN 209929777 U CN209929777 U CN 209929777U CN 201920304252 U CN201920304252 U CN 201920304252U CN 209929777 U CN209929777 U CN 209929777U
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- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 title abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model relates to a direct current screen cabinet control by temperature change technical field of transformer substation, an automatic accuse temperature formula direct current screen cabinet heat sink that prevents dust of transformer substation, it includes the direct current screen cabinet, be provided with at least a set of radiating component that is used for the heat dissipation on direct current screen cabinet back door from left to right, interior group radiating component all includes first fan group, second fan group and third fan group, inside the being provided with temperature control unit at the direct current screen cabinet, temperature control unit includes host system and temperature acquisition module, temperature acquisition module is connected with host system, host system respectively with first fan group, the drive arrangement of all fans in second fan group and the third fan group is connected. The utility model discloses an automatic accuse temperature of direct current screen cabinet is equipped with at least a set of radiating subassembly that is used for additional, and every radiating subassembly all includes first fan group, second fan group and third fan group, has increased the fan number, has formed the circulation ventilation air current, has improved the circulation of air speed in the direct current screen cabinet, has increased the cooling effect.
Description
Technical Field
The utility model relates to a direct current cabinet control by temperature change technical field of transformer substation is an automatic dustproof heat sink of accuse temperature formula direct current cabinet of transformer substation.
Background
The related devices (such as the dc charging module, the monitoring host, and the like) of the dc system of the substation generate a large amount of heat during operation. At present, the existing cooling method for heating equipment generally comprises the steps of installing a cooling fan inside a case of the heating equipment, adding heat dissipation holes on a cabinet door of a screen cabinet or directly opening a rear door of the screen cabinet to dissipate heat. In the operation process, because cooling fan and quick-witted case an organic whole settle in the screen cabinet, the unable direct transmission of the inside heat of screen cabinet is gone out, causes the inside temperature of screen cabinet higher, seriously influences the cooling effect of equipment self. The cooling fan hole of setting at the screen cabinet back door can make the dust in the air gather on equipment inside and fan, causes the interior equipment deposition of screen cabinet serious, the slow scheduling problem of fan bite, has aggravated the speed of equipment damage. If the radiating holes are arranged on the screen cabinet, the air circulation is slow, the radiating effect is poor, and meanwhile, a channel is reserved for electrostatic adsorption of dust in the air. If directly open the screen cabinet door and carry out the equipment heat dissipation, can make equipment expose outside in the direct current screen cabinet, be unfavorable for fortune and personnel's safety.
Disclosure of Invention
The utility model provides an automatic dustproof heat sink of accuse warm formula transformer substation direct current screen cabinet has overcome above-mentioned prior art not enough, and the circulation of air that its heat abstractor that can effectively solve current direct current screen cabinet exists is slow, the poor problem of radiating effect.
The technical scheme of the utility model is realized through following measure: the automatic temperature control type dustproof cooling device for the direct-current screen cabinet of the transformer substation comprises the direct-current screen cabinet, wherein at least one group of cooling components used for cooling is arranged on a rear door of the direct-current screen cabinet from left to right, each group of cooling components comprises a first fan group, a second fan group and a third fan group, the first fan group is arranged at the lower portion of the rear door of the direct-current screen cabinet and can suck external cold air, the second fan group is arranged at the middle portion of the rear door of the direct-current screen cabinet and can enable air in the direct-current screen cabinet to circulate, the third fan group is arranged at the upper portion of the rear door of the direct-current screen cabinet and can exhaust hot air in the direct-current screen cabinet, a temperature control unit is arranged inside the direct-current screen cabinet and comprises a main control module and a temperature acquisition module, the temperature acquisition module is connected with the main control module, and the main control module is respectively connected with driving devices of all fans in the first fan.
The following are further optimization or/and improvement of the technical scheme of the utility model:
and the direct current cabinet rear doors corresponding to the outer side positions of the first fan set and the third fan set are respectively detachably provided with dustproof parts.
The first fan set can comprise at least two positive pressure fans, the driving device of each positive pressure fan is connected with the main control module, the second fan set comprises two axial flow ventilating fans, the driving device of each axial flow ventilating fan is connected with the main control module, the third fan set comprises at least two negative pressure fans, and the driving device of each negative pressure fan is connected with the main control module.
The direct current cabinet can be internally provided with a passive node, and the main control module is connected with the passive node.
The temperature control unit can also comprise a display screen, the display screen is positioned on the outer side of the rear door of the direct current cabinet, and the display screen is connected with the main control module.
The utility model has the advantages of being simple in structure and convenient in use, the automatic accuse temperature of direct current screen cabinet has been realized, the utility model discloses add and be equipped with at least a set of radiating subassembly that is used for, every radiating subassembly all includes first fan group, second fan group and third fan group to fan number has been increased, stable circulation ventilation air current has been formed, the circulation of air speed in the direct current screen cabinet has been improved, the cooling effect has been increased, simultaneously through the real-time temperature of temperature control unit in according to the direct current screen cabinet, adjust the fan number of required work in real time, energy-concerving and environment-protective, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the preferred embodiment of the present invention.
Fig. 2 is a block diagram of the circuit structure of the preferred embodiment of the present invention.
The codes in the figures are respectively: the direct-current cabinet comprises a direct-current cabinet back door 1, a heat dissipation assembly 2, a first fan set 3, a second fan set 4, a third fan set 5, a dustproof component 6, a positive pressure fan 7, an axial-flow ventilating fan 8 and a negative pressure fan 9.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1 and 2, the automatic temperature control type substation direct current screen cabinet dustproof cooling device is characterized by comprising a direct current screen cabinet, at least one group of radiating components 2 for radiating heat are arranged on the rear door 1 of the direct current cabinet from left to right, each group of radiating components 2 comprises a first fan group 3 which is arranged at the lower part of the rear door 1 of the direct current cabinet and can suck external cold air, a second fan group 4 which is arranged at the middle part of the rear door 1 of the direct current cabinet and can circulate the air in the direct current cabinet, and a third fan group 5 which is arranged at the upper part of the rear door 1 of the direct current cabinet and can discharge hot air in the direct current cabinet, the temperature control unit is arranged in the direct current cabinet and comprises a main control module and a temperature acquisition module for acquiring the internal temperature of the direct current cabinet, the temperature acquisition module is connected with the main control module, and the main control module is respectively connected with driving devices of all fans in the first fan set 3, the second fan set 4 and the third fan set 5.
The heat dissipation assembly 2 comprises a first fan set 3 for sucking air, a second fan set 4 for circulating air in the direct current cabinet, and a third fan set 5 for exhausting hot air in the direct current cabinet, wherein the second fan set 4 is horizontally arranged in the middle of the rear door 1 of the direct current cabinet. The fans in all the fan sets are provided with a driving device for controlling the fans to rotate, and the driving device can be a motor. During operation, first fan set 3, second fan set 4 and third fan set 5 form the heat dissipation wind channel jointly, and outside cold air is inhaled to first fan set 3, and second fan set 4 inhales DC screen cabinet lower part cold air to DC screen cabinet upper portion, and hot-air in the DC screen cabinet is discharged to third fan set 5 to through the mode of inhaling outside cold air and discharging inside hot-air, form the circulation ventilation air current in the DC screen cabinet, reduce the interior temperature of DC screen cabinet.
The temperature control unit is a temperature controller with temperature acquisition and control functions.
The temperature control unit comprises a main control module and a temperature acquisition module for acquiring the internal temperature of the direct current cabinet, wherein the main control module can be a 51-chip microcomputer, and the temperature acquisition module can be a temperature sensor.
When the direct current cabinet temperature monitoring device is used, a fan starting threshold value and a corresponding relation between the temperature and the number of fans needing to be started are set in the main control module in advance, and the temperature acquisition module acquires the real-time temperature in the direct current cabinet and sends the real-time temperature to the main control module; the main control module performs analog-to-digital conversion, amplification and other processing on the received temperature, compares the processed temperature value with a fan starting threshold value, judges the number of the first fan group 3, the second fan group 4 and the third fan group 5 which need to be started if the temperature value exceeds the fan starting threshold value, and starts a corresponding fan; and then the temperature acquisition module continuously acquires the real-time temperature in the direct current cabinet, the main control module makes corresponding judgment and control, and all working fans are stopped until the main control module judges that the real-time temperature in the direct current cabinet is lower than a fan starting threshold value.
Therefore the utility model has the advantages of simple structure and convenient use, the automatic accuse temperature of direct current screen cabinet has been realized, the utility model discloses install at least a set of radiator unit 2 that is used for the radiating additional, every radiator unit 2 all includes first fan group 3, second fan group 4 and third fan group 5 to fan number has been increased, stable circulation ventilation air current has been formed, the circulation of air speed in the direct current screen cabinet has been improved, the cooling effect has been increased, simultaneously through the real-time temperature in the temperature control unit according to the direct current screen cabinet, adjust the fan number of required work in real time, energy-concerving and environment-protective, and the cost is reduced.
Can do further optimization or/and improvement to above-mentioned automatic accuse temperature formula direct current screen cabinet cooling device that prevents dust according to actual need:
as shown in fig. 1, dust-proof components 6 are detachably mounted on the rear doors of the direct current cabinet corresponding to the outer side positions of the first fan set 3 and the third fan set 5.
The dustproof component 6 can be a PVC or sponge type fan dustproof cover, the fan dustproof cover can be respectively installed at the outer sides of the first fan set 3 and the third fan set 5 in a plugging and unplugging mode, and the fan dustproof cover is enabled to respectively cover all fans of the first fan set 3 and the third fan set 5, so that dust in air is effectively reduced from entering the fans and the interior of the direct current cabinet.
The 6 detachable installations of above-mentioned dustproof component make things convenient for the staff to wash and change, reduce fortune dimension work load.
As shown in fig. 1 and 2, the first fan set 3 includes at least two positive pressure fans 7, a driving device of each positive pressure fan 7 is connected to the main control module, the second fan set 4 includes two axial flow ventilation fans 8, the driving device of each axial flow ventilation fan 8 is connected to the main control module, the third fan set 5 includes at least two negative pressure fans 9, and the driving device of each negative pressure fan 9 is connected to the main control module.
As shown in fig. 1 and 2, a passive node is further arranged inside the direct current cabinet, and the main control module is connected with the passive node.
The passive node is a passive switch, and has 2 states of being closed and opened. One end of the passive node is connected with the main control module, and the other end of the passive node is connected with the transformer substation measurement and control device.
When the direct current cabinet temperature monitoring system is used, the alarm temperature threshold value of the direct current cabinet is arranged in the main control module, if the main control module judges that the real-time temperature in the direct current cabinet is greater than or equal to the alarm temperature threshold value, the main control module controls the passive node to be closed, and sends an alarm signal to the transformer substation measurement and control device to remind operation and monitoring personnel that the temperature in the direct current cabinet is too high, and proper manual measures are needed for heat dissipation or to inform maintenance personnel to overhaul.
As shown in fig. 1 and 2, the temperature control unit further comprises a display screen, the display screen is located on the outer side of the rear door 1 of the direct current cabinet, and the display screen is connected with the main control module.
The display screen can be an LED screen and is used for displaying the real-time temperature in the direct-current cabinet, so that the direct-current cabinet is convenient for workers to check.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (8)
1. An automatic temperature control type transformer substation direct current screen cabinet dustproof cooling device is characterized by comprising a direct current screen cabinet, at least one group of heat dissipation components for heat dissipation is arranged on the rear door of the direct current cabinet from left to right, each group of heat dissipation components comprises a first fan group which is arranged at the lower part of the rear door of the direct current cabinet and can suck external cold air, a second fan group which is arranged at the middle part of the rear door of the direct current cabinet and can circulate the air in the direct current cabinet, and a third fan group which is arranged at the upper part of the rear door of the direct current cabinet and can discharge hot air in the direct current cabinet, the temperature control unit is arranged in the direct current cabinet and comprises a main control module and a temperature acquisition module for acquiring the internal temperature of the direct current cabinet, the temperature acquisition module is connected with the main control module, and the main control module is respectively connected with driving devices of all fans in the first fan set, the second fan set and the third fan set.
2. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 1, characterized in that dustproof parts are respectively detachably mounted on the direct current cabinet back doors corresponding to the outer side positions of the first fan set and the third fan set.
3. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 1 or 2, characterized in that the first fan set comprises at least two positive pressure type fans, a driving device of each positive pressure type fan is connected with the master control module, the second fan set comprises two axial flow ventilation fans, a driving device of each axial flow ventilation fan is connected with the master control module, the third fan set comprises at least two negative pressure type fans, and a driving device of each negative pressure type fan is connected with the master control module.
4. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 1 or 2, characterized in that a passive node is further arranged inside the direct current cabinet, and the master control module is connected with the passive node.
5. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 3 is characterized in that a passive node is further arranged inside the direct current cabinet, and the main control module is connected with the passive node.
6. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 1, 2 or 5, characterized in that the temperature control unit further comprises a display screen, the display screen is located on the outer side of the direct current cabinet back door, and the display screen is connected with the main control module.
7. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 3, characterized in that the temperature control unit further comprises a display screen, the display screen is located on the outer side of the rear door of the direct current cabinet, and the display screen is connected with the main control module.
8. The automatic temperature control type substation direct current cabinet dustproof cooling device of claim 4, characterized in that the temperature control unit further comprises a display screen, the display screen is located on the outer side of the rear door of the direct current cabinet, and the display screen is connected with the main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920304252.1U CN209929777U (en) | 2019-03-11 | 2019-03-11 | Automatic temperature control formula direct current of transformer substation screen cabinet cooling device that prevents dust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920304252.1U CN209929777U (en) | 2019-03-11 | 2019-03-11 | Automatic temperature control formula direct current of transformer substation screen cabinet cooling device that prevents dust |
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| CN209929777U true CN209929777U (en) | 2020-01-10 |
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| CN201920304252.1U Active CN209929777U (en) | 2019-03-11 | 2019-03-11 | Automatic temperature control formula direct current of transformer substation screen cabinet cooling device that prevents dust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380350A (en) * | 2019-03-11 | 2019-10-25 | 国网新疆电力有限公司昌吉供电公司 | Automatic temperature-controlled DC screen of transformer substation cabinet dust cooling device |
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2019
- 2019-03-11 CN CN201920304252.1U patent/CN209929777U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380350A (en) * | 2019-03-11 | 2019-10-25 | 国网新疆电力有限公司昌吉供电公司 | Automatic temperature-controlled DC screen of transformer substation cabinet dust cooling device |
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