CN206193556U - Dehydrating unit of forced air cooling converter - Google Patents
Dehydrating unit of forced air cooling converter Download PDFInfo
- Publication number
- CN206193556U CN206193556U CN201621161294.7U CN201621161294U CN206193556U CN 206193556 U CN206193556 U CN 206193556U CN 201621161294 U CN201621161294 U CN 201621161294U CN 206193556 U CN206193556 U CN 206193556U
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- air
- humidity
- control unit
- cabinet
- current transformer
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Abstract
The utility model discloses a dehydrating unit of forced air cooling converter, including installing in humidity detection piece, dehumidification unit and the the control unit of the internal portion of air -cooled converter cabinet, the temperature detection piece with the control unit links to each other, is used for to detect the internal portion's humidity of cabinet erupts simultaneously and delivers to the control unit, the control unit with the fan of dehumidification unit and air -cooled converter links to each other, be used for being greater than at the humidity signal and start dehumidification unit and fan when presetting standard humidity. The utility model discloses a dehydrating unit of forced air cooling converter have simple structure, easy and simple to handle, with low costs, prevent that the cabinet is internal and wet, guarantee advantages such as internal each the part reliability service of cabinet.
Description
Technical field
The utility model relates generally to Semiconductor Converting Technology field, refers in particular to a kind of dehydrating unit of air-cooled current transformer.
Background technology
Current air-cooled current transformer, such as power cell of air-cooled variable-frequency device and SVG device pass through the additional centrifugation wind of radiator
Machine forced air cooling is radiated.Centrifugal blower typically realizes thermal cycle in device by air channel.Due to cabinet environment temperature and work(
Rate elemental semiconductor device temperature relation is difficult to determine, causes the and then cabinet that centrifugal blower can not be simple when complexes run
Body temperature humidity controller monitors cabinet temperature to control to start, and must run always.So air-cooled stream device device starts fortune
After row, centrifugal blower is and then out of service after centrifugal blower follows startup optimization, device to stop.When device is applied in high humidity and temperature
In difference overall situation, after shutdown, the centrifugal blower for device radiation is also out of service, after a period of time, air-cooled converter cabinet
Interior possible moisture is larger or even forms condensation, easily causes the component failures such as power cell driving plate, power panel, discharge resistance,
The stability of equipment will be had a strong impact on.
Utility model content
The technical problems to be solved in the utility model is that：For the technical problem that prior art is present, this practicality is new
Type provides the dehydrating unit of a kind of simple structure, easy to operate, low cost and the air-cooled current transformer for preventing cabinet from making moist.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of dehydrating unit of air-cooled current transformer, including be installed on Humidity Detection part inside air-cooled converter cabinet, remove
Wet unit and control unit, the temperature detection part is connected with described control unit, for detecting the cabinet interior humidity simultaneously
Send to control unit, described control unit is connected with the blower fan of the Dehumidifying element and air-cooled current transformer, for believing in humidity
Number more than preset standard humidity when start Dehumidifying element and blower fan.
As the further improvement of above-mentioned technical proposal：
The Dehumidifying element is installed on the air inlet of the cabinet.
The Dehumidifying element is warm-air drier.
The output end of described control unit connects with the coil of an auxiliary reclay, for controlling auxiliary reclay coil
Power supply, two pairs of normally opened contacts of the auxiliary reclay are connected with two contactor coils respectively, and two the normally opened of contactor touch
Point is respectively in the electric power loop of Dehumidifying element and the electric power loop of blower fan.
The Humidity Detection part is Temperature Humidity Sensor.
Described control unit is PLC.
Compared with prior art, the utility model has the advantage of：
The dehydrating unit of air-cooled current transformer of the present utility model, when air-cooled current transformer runs, when humidity is more than default mark
During quasi- humidity, control Dehumidifying element starts；When air-cooled current transformer stops, when humidity is more than preset standard humidity, control is removed
Wet unit and blower fan start simultaneously, so as to ensure that each power cell part in cabinet inside, by influence of moisture, improves functional reliability；
And simple structure, easy to operate and cost is relatively low.
Brief description of the drawings
Fig. 1 is one of circuit theory diagrams of the present utility model.
Fig. 2 is the two of circuit theory diagrams of the present utility model.
Label is represented in figure：1st, Humidity Detection part；2nd, control unit；3rd, blower fan；4th, Dehumidifying element.
Specific embodiment
The utility model is further described below in conjunction with Figure of description and specific embodiment.
As depicted in figs. 1 and 2, the dehydrating unit of the air-cooled current transformer of the present embodiment, including it is installed on air-cooled converter cabinet
The Humidity Detection part 1 in internal portion, Dehumidifying element 4 and control unit 2, temperature detection part is connected with control unit 2, for detecting box
Body interior humidity is simultaneously sent to control unit 2, and control unit 2 is connected with the blower fan 3 of Dehumidifying element 4 and air-cooled current transformer, is used for
It is more than preset standard humidity in moisture signal（Humidity set in advance）Shi Qidong Dehumidifying elements 4 and blower fan 3.It is of the present utility model
The dehydrating unit of air-cooled current transformer, when air-cooled current transformer runs, when humidity is more than preset standard humidity, controls Dehumidifying element
4 start；When air-cooled current transformer stops, when humidity is more than preset standard humidity, control Dehumidifying element 4 and blower fan 3 are opened simultaneously
It is dynamic, so as to ensure that each power cell part in cabinet inside, by influence of moisture, improves functional reliability；And temperature detection part can be with
Using the existing Temperature Humidity Sensor in cabinet inside, control unit 2 can be using the existing temperature and humidity controller in cabinet inside
（PLC）, so as to only need to increase Dehumidifying element 4 in practical application, so that simple structure, cost are relatively low.
In the present embodiment, Dehumidifying element 4 includes more than one warm-air drier 3, is installed on the air inlet of cabinet（With main electricity
There is certain safe distance between road）, to improve effect on moisture extraction.The humidity that Temperature Humidity Sensor is placed in air-cooled converter cabinet is quick
Sense position, and meet and main circuit safe distance.
In the present embodiment, the output end of control unit 2 connects with the coil of an auxiliary reclay, for controlling middle relay
The power supply of device coil, two pairs of normally opened contacts of auxiliary reclay are connected with two contactor coils respectively, two contactors it is normal
Contact is opened to be located at respectively in the electric power loop of the electric power loop of Dehumidifying element 4 and blower fan 3.As shown in figure 1, being specially：WSK is temperature
Humidity controller；GC is Temperature Humidity Sensor；K-WSK is temperature and humidity controller；KA is auxiliary reclay, for extending K-WSK
Contact；KA-1 is a pair of auxiliary normally opened contacts of auxiliary reclay KA；KA-2 is another normally opened to aiding in for auxiliary reclay KA's
Contact；KM1 is the contactor coil for controlling the electrical source of power of centrifugal blower 3；KM2 is the contactor for controlling the electrical source of power of warm-air drier 3
Coil；KM1-1 is the main contacts of the contactor for controlling the electrical source of power of centrifugal blower 3；KM2 is the control electrical source of power of warm-air drier 3
The main contacts of contactor；K is a pair of control contact that cabinet controlled the electrical source of power contactor coil of centrifugal blower 3 originally.Work as cabinet
The humidity that body temperature humidity controller WSK checks Temperature Humidity Sensor GC detections is higher than a certain value（Preset standard humidity）When, touch
Point K-WSK is exported（Closure）, auxiliary reclay KA adhesives are controlled, control is gone respectively by two couples of auxiliary contact KA-1, KA-2 of KA
Contactor coil KM1 processed and KM2 adhesives, contactor main contacts KM1-1 shutting-brake controls centrifugal blower 3 start, contactor main contacts
KM1-2 shutting-brake controls warm-air drier 3 starts.Then the hot blast that centrifugal blower 3 produces warm-air drier 3 by power cell, wind cabin and
Air channel, takes cabinet out of, so as to realize drying cabinet air, takes away air channel moisture, reaches the purpose of cabinet dehumidifying.
In the present embodiment, when a period of time that cabinet centrifugal blower 3 meets following condition starts：
1st, when air-cooled converter device runs, the enabling signal of centrifugal blower 3 is given；
2nd, the humidity that cabinet temperature and humidity controller WSK checks Temperature Humidity Sensor GC detections is higher than a certain value（Pre- bidding
Quasi- humidity）When.
Stop when cabinet centrifugal blower 3 meets following condition simultaneously：
1st, air-cooled converter device stopped status, does not provide the enabling signal of centrifugal blower 3；
2nd, cabinet temperature and humidity controller WSK checks the humidity of Temperature Humidity Sensor GC detections less than a certain value（This value is omited
Less than preset standard humidity value）.
Start when cabinet warm-air drier 3 meets following condition：Cabinet temperature and humidity controller WSK checks Temperature Humidity Sensor
The humidity of GC detections is higher than a certain value（Preset standard humidity）.
Stop when cabinet warm-air drier 3 meets following condition：Cabinet temperature and humidity controller WSK checks Temperature Humidity Sensor
The humidity of GC detections is less than a certain value（This value is slightly below preset standard humidity value）.
Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any
Those of ordinary skill in the art, in the case where technical solutions of the utility model scope is not departed from, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible variations and modification, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, it is real to more than according to the utility model technical spirit
Any simple modification, equivalent variation and modification that example is done are applied, all should be fallen in the range of technical solutions of the utility model protection.
Claims (6)
1. a kind of dehydrating unit of air-cooled current transformer, it is characterised in that including the humidity being installed on inside air-cooled converter cabinet
Detection piece（1）, Dehumidifying element（4）And control unit（2）, the Humidity Detection part（1）With described control unit（2）It is connected, uses
In detecting the cabinet interior humidity and transmission is to control unit（2）, described control unit（2）With the Dehumidifying element（4）With
The blower fan of air-cooled current transformer（3）Be connected, for moisture signal be more than preset standard humidity when start Dehumidifying element（4）And blower fan
（3）.
2. the dehydrating unit of air-cooled current transformer according to claim 1, it is characterised in that the Dehumidifying element（4）Install
In the air inlet of the cabinet.
3. the dehydrating unit of air-cooled current transformer according to claim 2, it is characterised in that the Dehumidifying element（4）It is warm
Blower fan.
4. the dehydrating unit of air-cooled current transformer as claimed in any of claims 1 to 3, it is characterised in that the control
Unit processed（2）Output end connected with the coil of an auxiliary reclay, the power supply for controlling auxiliary reclay coil, it is described in
Between two pairs of normally opened contacts of relay connected with two contactor coils respectively, two normally opened contacts of contactor are located at remove respectively
Wet unit（4）Electric power loop and blower fan（3）Electric power loop in.
5. the dehydrating unit of air-cooled current transformer as claimed in any of claims 1 to 3, it is characterised in that described wet
Degree detection piece（1）It is Temperature Humidity Sensor.
6. the dehydrating unit of air-cooled current transformer as claimed in any of claims 1 to 3, it is characterised in that the control
Unit processed（2）It is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161294.7U CN206193556U (en) | 2016-11-01 | 2016-11-01 | Dehydrating unit of forced air cooling converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161294.7U CN206193556U (en) | 2016-11-01 | 2016-11-01 | Dehydrating unit of forced air cooling converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206193556U true CN206193556U (en) | 2017-05-24 |
Family
ID=58732815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621161294.7U Active CN206193556U (en) | 2016-11-01 | 2016-11-01 | Dehydrating unit of forced air cooling converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206193556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062291A (en) * | 2018-07-27 | 2018-12-21 | 中车大连机车研究所有限公司 | A kind of converter cabinet temperature control dehumidification device |
-
2016
- 2016-11-01 CN CN201621161294.7U patent/CN206193556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062291A (en) * | 2018-07-27 | 2018-12-21 | 中车大连机车研究所有限公司 | A kind of converter cabinet temperature control dehumidification device |
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