CN202177838U - Environmental control system of electric cabinet of wind turbines - Google Patents
Environmental control system of electric cabinet of wind turbines Download PDFInfo
- Publication number
- CN202177838U CN202177838U CN2011203206188U CN201120320618U CN202177838U CN 202177838 U CN202177838 U CN 202177838U CN 2011203206188 U CN2011203206188 U CN 2011203206188U CN 201120320618 U CN201120320618 U CN 201120320618U CN 202177838 U CN202177838 U CN 202177838U
- Authority
- CN
- China
- Prior art keywords
- temperature
- humidity
- control module
- relay
- cabinet
- 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
Links
Images
Abstract
The utility model discloses an environmental control system of an electric cabinet of wind turbines; the environmental control system consists of a temperature controller, a humidity controller, a temperature sensor, a humidity sensor, a control module, a heater, a radiating system and dehumidifying equipment. Before the electric cabinet is started up to operate, the environment in the cabinet is controlled by the mechanical temperature controller and the humidity controller; after the requirements on temperature and the humidity are met, the control module is electrified and the electric cabinet starts to work and ensures that the devices in the cabinet are working in proper environments; after the control module of the electric cabinet works normally, the electric loop is electrified to realize self-locking, and the temperature and the humidity in the electric cabinet are controlled by using control module software according to the temperature output by the analogue quantity and the environmental parameters of the cabinet detected by the humidity sensor. According to the environmental control system of the electric cabinet of wind turbines, the requirements on the temperature and humidity inside the electric cabinet of the wind turbines in harsh environments are guaranteed, the service life of the electronic equipment in the cabinet is prolonged, and the disadvantages of bad precision and slow response of the mechanical temperature and humidity controller are overcome; and the reliability the system is improved.
Description
Technical field
The utility model relates to the temperature and humidity control in wind-powered electricity generation unit regulator cubicle the environmental control system technical field, particularly wind-powered electricity generation unit regulator cubicle.
Background technology
At present, along with coastal type or naval counterpart wind-powered electricity generation unit and land plateau type wind-powered electricity generation unit come into operation in a large number, its harsh temperature and humidity environment is had higher requirement to environment control in the wind-powered electricity generation unit regulator cubicle cabinet.Wind-powered electricity generation unit regulator cubicle environment controlling schemes normal conditions have two kinds: a kind of is that regulator cubicle energising back is by temperature and humidity sensor actual value; Directly operation control system is controlled environmental parameters such as temperature and humidities in the regulator cubicle; The interior environment of cabinet not necessarily satisfied the job requirement of control system electronic devices and components when its defective was the control system energising; Influential to its serviceable life; Particularly be positioned at the very wind-powered electricity generation unit regulator cubicle under the high ambient of the very low or humidity of temperature, at powered on moment even will cause the damage of some electronic devices and components.Another kind is based on the mechanical type temperature, humidity controller is controlled temperature, humidity; Its drawback is to combine with electric control on the control system; The interior environment of cabinet not necessarily satisfies the problem of control system electronic devices and components job requirement when having the control system energising equally, simultaneously owing to mechanical type temperature, humidity controller low precision, low-response; Can't adapt to the temperature and humidity control requirement under the harsh and unforgiving environments, the reliability of system is not high.
Summary of the invention
In order to overcome the deficiency that prior art exists; The utility model provides a kind of wind-powered electricity generation unit regulator cubicle environmental control system; This control system can prepare to judge whether environment satisfies the startup requirement that regulator cubicle is set in the cabinet before the regulator cubicle operation; And the strategy that adopts hardware and software to control environment simultaneously, improved system reliability.
In order to realize above-mentioned utility model purpose; The technical scheme that the utility model adopts is: a kind of wind-powered electricity generation unit regulator cubicle environmental control system comprises temperature controller, humidity controller, temperature sensor, humidity sensor, control module, well heater, cooling system and dehumidification equipment.Temperature controller is connected with relay one with well heater respectively, and humidity controller is connected with relay two with dehumidification equipment respectively, and relay two is connected with the regulator cubicle power supply with relay one series connection back one end, and the other end is connected with the coil of contactor; Electric power system is connected with power supply through the contact of contactor, supplies power to control module; Control module output signal controlling well heater, cooling system and dehumidification equipment; Temperature sensor and humidity sensor output relevant temperature and moisture signal are given control module.
For fear of when environment temperature and humidity sharply change, cause frequently restarting of system, the relay two of said series connection is parallelly connected with relay three with relay one, and relay three receives the power supply self-locking signal controlling exported from control module.
It is preceding by environment in mechanical temperature controller and the humidity controller switch board that regulator cubicle starts operation; When in-cabinet temperature greater than setting value, and humidity is less than setting value, control system just can be switched on; Regulator cubicle is devoted oneself to work, and has guaranteed that components and parts are worked under proper environment in the cabinet; After regulator cubicle control module operate as normal; Last electric control loop is realized self-locking; Through environmental parameter in the temperature and humidity sensor cabinet of analog quantity output; By control module software the temperature humidity in the regulator cubicle is controlled, total system possesses the dual redundant design feature of hardware and software control.
The beneficial effect of the utility model is; Can be before regulator cubicle starts in the control regulator cubicle temperature and humidity satisfy the startup requirement of regulator cubicle setting; Guarantee the temperature and humidity requirement in the harsh and unforgiving environments leeward group of motors regulator cubicle, in the serviceable life of having improved the rack inner electronic equipment, overcome mechanical type temperature, humidity controller low precision; Shortcomings such as low-response have improved system reliability.
Description of drawings
Fig. 1 is the control circuit synoptic diagram of the utility model;
Fig. 2 is the control flow chart of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Shown in accompanying drawing 1; Temperature controller 1 is connected with relay one K1 with well heater 2 respectively; Humidity controller 3 is connected with relay two K2 with dehumidification equipment 4 respectively, and relay two K2 are connected with the regulator cubicle power supply with relay one K1 series connection back one end, and an end is connected with contactor K4 coil; Power supply is connected with power supply 5 through contactor K4 contact, gives control module 8 power supplies, and control module 8 is exported signal controlling well heater 2, dehumidification equipment 4 and cooling system 9; Temperature sensor 6 is given control module 8 with humidity sensor 7 output relevant temperature moisture signals.
For fear of sharply changing in environment temperature and humidity, cause frequently restarting of system, improve its reliability, relay one K1 and relay two K2 of series connection are parallelly connected with relay three K3, and relay K 3 receives from the power supply self-locking signal controlling of control module 8 outputs.
Temperature controller 1 detects the regulator cubicle in-cabinet temperature, if in-cabinet temperature greater than setting value, then makes relay one K1 closed, otherwise starts well heater 2; Humidity in humidity controller 3 detecting boxes if humidity is less than setting value in the cabinet, then makes relay two K2 closed, otherwise starts dehumidification equipment 4.If during less than setting value, contactor K4 coil gets electric in-cabinet temperature greater than setting value and humidity, closure, power supply 5 energisings, control module 8 is devoted oneself to work.
After control module 8 operations, send power supply from lock signal, make relay three K3 closed, current supply circuit is realized self-locking.Simultaneously, receive temperature sensor 6 signal controlling well heaters 2 or cooling system 9, receive the signal controlling dehumidification equipment 4 of humidity sensor 7 simultaneously, thereby reach the effect of temperature and humidity in the accurate switch board by it.After control module 8 operations, temperature controller 1 and 3 while of humidity controller environment in control usefulness and control module 8 common switch boards, the whole system operation flow process is as shown in Figure 2.
Claims (2)
1. wind-powered electricity generation unit regulator cubicle environmental control system; Comprise temperature controller (1), humidity controller (3), temperature sensor (6), humidity sensor (7), control module (8), well heater (2), cooling system (9) and dehumidification equipment (4); It is characterized in that: temperature controller (1) is connected with relay one (K1) with well heater (2) respectively; Humidity controller (3) is connected with relay two (K2) with dehumidification equipment (4) respectively; Relay two (K2) is connected with the regulator cubicle power supply with relay one (K1) series connection back one end, and the other end is connected with contactor (K4) coil; Electric power system is connected with power supply (5) through contactor (K4) contact, gives control module (8) power supply, control module (8) output signal controlling well heater (2), cooling system (9) and dehumidification equipment (4); Temperature sensor (6) and humidity sensor (7) output relevant temperature and moisture signal are given control module (8).
2. according to the said a kind of wind-powered electricity generation unit regulator cubicle environmental control system of claim 1; The relay two (K2) and the relay one (K1) that it is characterized in that said series connection are parallelly connected with relay three (K3), and relay three (K3) receives from the power supply self-locking signal controlling of control module (8) output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203206188U CN202177838U (en) | 2011-08-30 | 2011-08-30 | Environmental control system of electric cabinet of wind turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203206188U CN202177838U (en) | 2011-08-30 | 2011-08-30 | Environmental control system of electric cabinet of wind turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177838U true CN202177838U (en) | 2012-03-28 |
Family
ID=45867710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203206188U Expired - Fee Related CN202177838U (en) | 2011-08-30 | 2011-08-30 | Environmental control system of electric cabinet of wind turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202177838U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034269A (en) * | 2012-12-14 | 2013-04-10 | 天津瑞能电气有限公司 | Temperature and humidity control device used for low temperature plateau type wind turbine generator variable pitch system |
| CN103472876A (en) * | 2013-09-23 | 2013-12-25 | 开滦（集团）有限责任公司 | Damp-proof device for anti-explosion frequency transformer |
| CN104821755A (en) * | 2015-05-20 | 2015-08-05 | 成都德麦科技有限公司 | PLC variable-frequency multi-motor control cabinet with cooling and drying functions |
| CN106339019A (en) * | 2015-07-15 | 2017-01-18 | 成都阜特科技股份有限公司 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
-
2011
- 2011-08-30 CN CN2011203206188U patent/CN202177838U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034269A (en) * | 2012-12-14 | 2013-04-10 | 天津瑞能电气有限公司 | Temperature and humidity control device used for low temperature plateau type wind turbine generator variable pitch system |
| CN103034269B (en) * | 2012-12-14 | 2015-06-03 | 天津瑞能电气有限公司 | Temperature and humidity control device used for low temperature plateau type wind turbine generator variable pitch system |
| CN103472876A (en) * | 2013-09-23 | 2013-12-25 | 开滦（集团）有限责任公司 | Damp-proof device for anti-explosion frequency transformer |
| CN104821755A (en) * | 2015-05-20 | 2015-08-05 | 成都德麦科技有限公司 | PLC variable-frequency multi-motor control cabinet with cooling and drying functions |
| CN106339019A (en) * | 2015-07-15 | 2017-01-18 | 成都阜特科技股份有限公司 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202177838U (en) | Environmental control system of electric cabinet of wind turbines | |
| CN203849623U (en) | Constant-voltage water supply control system | |
| CN102999062A (en) | Switch cabinet internal temperature control system | |
| CN202421923U (en) | Moistureproof terminal box heating device with clotted-dew controller | |
| CN101150194A (en) | Fuel cell system | |
| CN204126870U (en) | A kind of sewage water discharge pump automatic safety control cabinet | |
| CN204347670U (en) | A kind of Switching Power Supply low-power consumption standby circuit | |
| CN202210687U (en) | Storage battery connecting line with intelligent control function | |
| CN203278240U (en) | Reactive compensation controller of power supply resetting detection technology | |
| CN203645590U (en) | Driving device of stepping motor | |
| CN203084110U (en) | Distance increasing device testing system | |
| CN202434926U (en) | Switch cabinet | |
| CN202579137U (en) | Energy-saving intelligent control device for air compressor | |
| CN201000557Y (en) | Timing control device socket | |
| CN219262572U (en) | Wind turbine generator system becomes oar system | |
| CN204422700U (en) | A kind of proving installation for Large Copacity IGBT power cell | |
| CN103746343A (en) | Switching power supply circuit of firefighting emergency power supply | |
| CN203761029U (en) | Switching power supply circuit of firefighting emergency power supply | |
| CN202838060U (en) | Control system for temperature inside switch cabinet | |
| CN203658884U (en) | Control circuit of variable propeller cabinet heater of wind turbine generator system | |
| CN203467034U (en) | LED digital control device of digital ballast | |
| CN203491199U (en) | Air time motor relay | |
| CN110806765B (en) | Low-temperature starting protection device for control system of wind generating set | |
| CN103633680A (en) | Power supply control circuit of bar-code scanning system | |
| CN205159218U (en) | Intelligent control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120328 Termination date: 20190830 |