CN206283419U - A kind of frequency conversion tank - Google Patents
A kind of frequency conversion tank Download PDFInfo
- Publication number
- CN206283419U CN206283419U CN201621254838.4U CN201621254838U CN206283419U CN 206283419 U CN206283419 U CN 206283419U CN 201621254838 U CN201621254838 U CN 201621254838U CN 206283419 U CN206283419 U CN 206283419U
- Authority
- CN
- China
- Prior art keywords
- frequency conversion
- cabinet
- conversion tank
- air
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 64
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 12
- 230000005494 condensation Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses a kind of frequency conversion tank, belong to the anti-condensation technical field of frequency conversion tank, designed to solve the problems, such as to be also easy to produce condensation in existing frequency conversion tank.The utility model frequency conversion tank includes cabinet, and air-supply arrangement and heat exchanger are set in the air inlet of cabinet, and the cold fluid in heat exchanger dehumidifies to the gas cooling by air-supply arrangement feeding cabinet.The utility model frequency conversion tank can prevent from forming condensation in cabinet, and frequency conversion tank reliability is high.
Description
Technical field
The utility model is related to the anti-condensation technical field of frequency conversion tank, more particularly to a kind of frequency conversion tank.
Background technology
Cooling is needed with heating element, such as directly to drive centrifugal refrigerating machines airborne high-power for photovoltaic in usual frequency conversion tank
Frequency conversion tank has commutation inversion unit, and in the course of the work, the heating of commutation inversion unit is serious, it is necessary to be carried out using extra low-temperature receiver
Cooling radiating.The cooling radiating of current high-power frequency conversion cabinet has the side such as air-cooled blow-through, water-cooled radiant panel, low temperature refrigerant radiant panel
Formula.Air-cooled blow-through effect is poor, and fan is fragile；Water-cooled radiant panel needs extra increase water source and water pump, and effect is undesirable；Low temperature
Refrigerant radiant panel is a kind of new mode, with refrigeration principle, using the kind of refrigeration cycle of cooling air conditioning group, low temperature refrigerant radiation
Plate is fitted with commutation inversion unit, refrigerant evaporation heat absorption, and the heat that high-power heating element is produced, radiator face are taken away rapidly
Product is big, good cooling results.
But, either water-cooled radiant panel or low temperature refrigerant radiant panel, because frequency conversion tank cabinet sealing is bad and
The phenomenon that air expands with heat and contract with cold, in the course of work, humid air outside cabinet enters in cabinet, all can in radiation plate surface or
Surface with radiant panel directly contact produces dew condensation phenomenon, and the reliability to electric elements in frequency conversion tank produces hidden danger.
Utility model content
In view of above mentioned problem, a purpose of the present utility model be propose it is a kind of can be with anti-condensation frequency conversion tank.
Another purpose of the present utility model is to propose a kind of frequency conversion tank dewing-proof method.
It is up to above-mentioned purpose, on the one hand, the utility model uses following technical scheme：
A kind of frequency conversion tank, including cabinet, air-supply arrangement and heat exchanger, the heat exchange are set in the air inlet of the cabinet
Cold fluid in device dehumidifies to the gas cooling that the cabinet is sent into by the air-supply arrangement.
Further, the heat exchanger is surface cooler.
Further, the fluid intake of the heat exchanger is connected with the refrigerant exit of air-conditioner set, the stream of the heat exchanger
Body outlet is connected with the refrigerant inlet of the air-conditioner set.
Further, it is provided with the pipeline between the import of the heat exchanger and the refrigerant exit of the air-conditioner set
First-class control valve.
Further, it is provided with filter in front of the air-supply arrangement.
Further, it is provided with air intake passage in the cabinet.
Further, humidity sensor is provided with the cabinet, is provided with outside the cabinet and the humidity sensor
Communicate the controller of connection；And/or, it is provided with hygrometer outside the cabinet.
Further, the frequency conversion tank directly drives centrifugal compressor frequency conversion tank for photovoltaic.
On the other hand, the utility model uses following technical scheme：
A kind of frequency conversion tank dewing-proof method based on any of the above-described frequency conversion tank, detects the humidity in the cabinet, when
When humidity in the cabinet is higher than predetermined value higher than the humidity outside predetermined value and/or the cabinet, increase in the heat exchanger
The flow of cold fluid and/or the air supply velocity of the reduction air-supply arrangement.
Further, when the humidity in the cabinet is less than predetermined value, the flow of cold fluid in the heat exchanger is reduced.
The beneficial effects of the utility model are as follows：
The utility model frequency conversion tank carries out pre- removing by heat exchanger to sending into the gas in frequency conversion cabinet body by air-supply arrangement
Wet process, gas enters cabinet and forms malleation after drying, and original gas in cabinet is discharged by cabinet gap, reduces outside cabinet
Wet gas enter, and prevent from forming condensation in frequency conversion tank, it is ensured that frequency conversion tank reliability；Meanwhile, through the gas energy that heat exchanger is processed
Lower the temperature for gas in cabinet.
The utility model frequency conversion tank dewing-proof method makes temperature, humidity in big-power transducer cabinet in a controllable model
Interior fluctuation is enclosed, kept being dried in cabinet, prevented condensation, it is ensured that the reliability of frequency conversion tank.
Brief description of the drawings
Fig. 1 is the structural representation of the frequency conversion tank that the utility model preferred embodiment one is provided.
In figure：1st, cabinet；2nd, air-supply arrangement；3rd, heat exchanger；4th, filter；5th, air intake passage；6th, air-conditioner set；7th,
Flow control valve；8th, second control valve；9th, commutation inversion unit；10th, low temperature refrigerant radiant panel.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
Preferred embodiment one：
This preferred embodiment provide a kind of frequency conversion tank, its preferably but be not limited to photovoltaic directly drive centrifugal compressor become
Frequency cabinet, or other any frequency conversion tanks for being also easy to produce condensation.
Fig. 1 is referred to, the frequency conversion tank of this preferred embodiment includes cabinet 1, and air-supply arrangement is set in the air inlet of cabinet 1
2 and heat exchanger 3, the cold fluid in heat exchanger 3 dehumidifies to the gas cooling that cabinet 1 is sent into by air-supply arrangement 2.Air-supply arrangement 2 is excellent
Low rotary speed fan is selected but be not limited to, can be blown in frequency conversion tank cabinet 1 with appropriate speed.
In the present embodiment pre-dehumidified is carried out by 3 pairs of gases sent into by air-supply arrangement 2 in frequency conversion tank cabinet 1 of heat exchanger
Reason, gas enters cabinet 1 and forms malleation after drying, and original gas in cabinet 1 is discharged by the gap of cabinet 1, reduces cabinet
Outer wet gas enter, and prevent from forming condensation in frequency conversion tank, it is ensured that frequency conversion tank reliability；Meanwhile, through the gas that heat exchanger 3 is cooled down
Gas cooling in cabinet can be used for.
The species of heat exchanger 3 is not specifically limited, can be to the gas cooling pre-dehumidified into cabinet 1.But it is preferred that
Ground, heat exchanger 3 is surface cooler, to ensure heat transfer effect.
Heat exchanger 3 is connected with cold fluid source, in order that simpler compact, the good cooling results of overall structure, can make heat exchange
The fluid intake of device 3 is connected with the refrigerant exit of air-conditioner set 6, the fluid issuing of heat exchanger 3 and the refrigerant inlet of air-conditioner set 6
Connection.When frequency conversion tank directly drives centrifugal compressor frequency conversion tank for photovoltaic, the stream of the low temperature refrigerant radiant panel 10 in frequency conversion tank
Refrigerant exit of the body entrance also with air-conditioner set 6 is connected, and the fluid issuing of low temperature refrigerant radiant panel 10 is also cold with air-conditioner set 6
Matchmaker's entrance is connected, and is lowered the temperature for commutation inversion unit 9.Heat exchanger 3 is utilized respectively air-conditioner set 6 with low temperature refrigerant radiant panel 10
Kind of refrigeration cycle, frequency conversion tank carry out effectively radiating while prevent from forming condensation in frequency conversion tank, design ingenious, compact conformation,
Good refrigeration effect.
First flow control is provided with pipeline between the fluid intake of heat exchanger 3 and the refrigerant exit of air-conditioner set 6
Valve processed 7, first-class control valve 7 is preferred but is not limited to restricting element, can be controlled by adjusting the aperture of restricting element
Cold medium flux in heat exchanger 3, reaches maximum effect on moisture extraction.
Is provided with pipeline between the fluid intake of low temperature refrigerant radiant panel 10 and the refrigerant exit of air-conditioner set 6
Two flow control valves 8, second control valve 8 is preferred but is not limited to restricting element, can be by adjusting opening for restricting element
Spend to control the cold medium flux of low temperature refrigerant radiant panel 10, to reach cooling-down effect.
On the basis of said structure, filter 4 is additionally provided with the front of air-supply arrangement 2.The structure of filter 4 does not have
There is concrete restriction, can be filtered to entering the gas in frequency conversion tank, it is to avoid dust etc. enters in frequency conversion tank with fresh air, it is ensured that
Cleannes in cabinet, for example, filter 4 can be screen pack.
The fresh air in frequency conversion tank is introduced by air-supply arrangement 2 to be used to prevent the gap of cabinet 1 from entering wet gas, and can be cabinet
Gas cooling in body 1, therefore, the fresh air introduced by air-supply arrangement 2 is preferably the gap and cabinet domestic demand drop for being delivered to cabinet 1
At temperature.On the basis of said structure, air intake passage 5 is provided with frequency conversion tank, the position and wind-guiding direction of air intake passage 5 can
Specifically set according to the position that the position easily leaked out in frequency conversion tank and frequency conversion tank domestic demand are lowered the temperature.
Be provided with the basis of said structure, in cabinet 1 outside humidity sensor (not shown), cabinet 1 be provided with
The voltage signal that humidity sensor is exported is changed into relative humidity by the controller of humidity sensor communication connection, controller；With/
Or hygrometer is provided with outside cabinet 1, hygrometer preferably is set near the air inlet of cabinet 1, to detect the humidity outside cabinet 1.
Controller can be made to be connected with the communication of first-class control valve 7, the parameter regulation first that controller is gathered according to humidity sensor
Cold fluid flow in the aperture and then regulation heat exchanger 3 of flow control valve 7；The parameter that can also be gathered according to humidity sensor
The aperture of first-class control valve 7 is adjusted manually.The parameter regulation that user can also gather according to the outer hygrometer of cabinet 1 is first-class
The aperture of control valve 7.
The present embodiment additionally provides a kind of frequency conversion tank dewing-proof method based on above-mentioned frequency conversion tank, wet in detection cabinet 1
Degree, when the humidity in cabinet 1 is higher than predetermined value higher than the humidity outside predetermined value and/or cabinet 1, cold flow in increase heat exchanger 3
The flow of body and/or the air supply velocity of reduction air-supply arrangement 2.
Specifically, the humidity sensor by being arranged in frequency conversion tank cabinet 1 detects the relative humidity in cabinet 1.Work as phase
When being more than predetermined value to humidity, by the flow for increasing the aperture of first-class control valve 7 to increase cold fluid in heat exchanger 3,
And/or reduce the air supply velocity of air-supply arrangement 2 and improve heat-exchange time.
The relative humidity of frequency conversion tank air inlet is detected by the hygrometer for being arranged at the air inlet of frequency conversion tank cabinet 1.When
When relative humidity is more than predetermined value, by the stream for increasing the aperture of first-class control valve 7 to increase cold fluid in heat exchanger 3
Amount, and/or reduce the air supply velocity of air-supply arrangement 2 and improve heat-exchange time.
And when the humidity in cabinet 1 is less than predetermined value, reduce the flow of cold fluid in heat exchanger 3.For example, by reducing
The aperture of first-class control valve 7 or reduce air-conditioner set 6 compressor rotating speed and start-stop reduce cold fluid in heat exchanger 3
Flow, maintain cabinet in humidity.
The frequency conversion tank dewing-proof method that the present embodiment is provided makes temperature in big-power transducer cabinet, humidity controllable at one
In the range of fluctuate, carry out effectively radiating while realize in cabinet dry, prevent condensation, it is ensured that the reliability of frequency conversion tank
Property.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and can not by any way be construed to the limitation to the utility model protection domain.Based on explanation herein,
Those skilled in the art associates other specific embodiments of the present utility model by would not require any inventive effort,
These modes are fallen within protection domain of the present utility model.
Claims (8)
1. a kind of frequency conversion tank, including cabinet (1), it is characterised in that air-supply arrangement is set in the air inlet of the cabinet (1)
(2) and heat exchanger (3), the cold fluid in the heat exchanger (3) is to being sent into the gas of the cabinet (1) by the air-supply arrangement (2)
Body cooling and dehumidifying.
2. frequency conversion tank according to claim 1, it is characterised in that the heat exchanger (3) is surface cooler.
3. frequency conversion tank according to claim 1, it is characterised in that the fluid intake and air-conditioner set of the heat exchanger (3)
(6) refrigerant exit connection, the fluid issuing of the heat exchanger (3) is connected with the refrigerant inlet of the air-conditioner set (6).
4. frequency conversion tank according to claim 3, it is characterised in that in import and the air conditioner of the heat exchanger (3)
First-class control valve (7) is provided with pipeline between the refrigerant exit of group (6).
5. according to any described frequency conversion of Claims 1-4, it is characterised in that be provided with the air-supply arrangement (2) front
Filter device (4).
6. according to any described frequency conversion tank of Claims 1-4, it is characterised in that air intake is provided with the cabinet (1) and is led to
Road (5).
7. according to any described frequency conversion tank of Claims 1-4, it is characterised in that be provided with humidity sensor in the cabinet (1)
The controller being connected with humidity sensor communication is provided with outside device, the cabinet (1)；And/or, cabinet (1) peripheral hardware
It is equipped with hygrometer.
8. according to any described frequency conversion tank of Claims 1-4, it is characterised in that the frequency conversion tank directly expels core type for photovoltaic
Compressor frequency conversion tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254838.4U CN206283419U (en) | 2016-11-14 | 2016-11-14 | A kind of frequency conversion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254838.4U CN206283419U (en) | 2016-11-14 | 2016-11-14 | A kind of frequency conversion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283419U true CN206283419U (en) | 2017-06-27 |
Family
ID=59082616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621254838.4U Expired - Fee Related CN206283419U (en) | 2016-11-14 | 2016-11-14 | A kind of frequency conversion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411153A (en) * | 2016-11-14 | 2017-02-15 | 珠海格力电器股份有限公司 | Frequency conversion cabinet and frequency conversion cabinet anti-condensation method |
| CN108112222A (en) * | 2017-12-29 | 2018-06-01 | 杭州东南吉通网络有限公司 | A kind of positive pressure type cabinet |
-
2016
- 2016-11-14 CN CN201621254838.4U patent/CN206283419U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411153A (en) * | 2016-11-14 | 2017-02-15 | 珠海格力电器股份有限公司 | Frequency conversion cabinet and frequency conversion cabinet anti-condensation method |
| CN106411153B (en) * | 2016-11-14 | 2019-04-09 | 珠海格力电器股份有限公司 | A kind of frequency conversion tank and frequency conversion tank dewing-proof method |
| CN108112222A (en) * | 2017-12-29 | 2018-06-01 | 杭州东南吉通网络有限公司 | A kind of positive pressure type cabinet |
| CN108112222B (en) * | 2017-12-29 | 2021-01-05 | 杭州东南吉通网络有限公司 | Positive pressure type cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 |