CN209748196U - Reactive power compensation cabinet - Google Patents
Reactive power compensation cabinet Download PDFInfo
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- CN209748196U CN209748196U CN201920056547.1U CN201920056547U CN209748196U CN 209748196 U CN209748196 U CN 209748196U CN 201920056547 U CN201920056547 U CN 201920056547U CN 209748196 U CN209748196 U CN 209748196U
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- triode
- air inlet
- cabinet body
- air
- cabinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The utility model provides a reactive power compensation cabinet, including the cabinet body, the internal reactive power compensation device that sets up of cabinet still includes: an air inlet fan for supplying air into the cabinet body; the filter screen is used for filtering the inlet air; an exhaust fan for exhausting air from the cabinet body; the guide plate is used for changing the direction of airflow entering the cabinet body; the temperature sensor is used for monitoring the temperature in the cabinet body; an air inlet and an air outlet are respectively arranged on two adjacent side walls of the cabinet body, an air inlet fan is arranged on the air inlet, an exhaust fan is arranged on the air outlet, and a filter screen is arranged on the air inlet; the air outlet is provided with a plurality of guide plates, the guide plates incline towards the direction far away from the air outlet, the temperature sensor is connected with the controller, and the controller is connected with the exhaust fan. The reactive power compensation cabinet of this scheme adopts the internal temperature of temperature sensor response cabinet, carries out initiative heat dissipation to there are auxiliary structure such as deflector, through-hole to further improve radiating effect, make the internal heat of cabinet by timely effluvium.
Description
Technical Field
The utility model relates to a reactive power compensation field, especially a reactive power compensation cabinet.
Background
Reactive compensation is used for improving the power factor of a power grid, reducing the loss of a power supply transformer and a transmission line, improving the power supply efficiency and improving the power supply environment in an electric power supply system. Therefore, the reactive power compensation cabinet is in an indispensable and very important position in the power supply system, the compensation device is reasonably selected, the loss of the power grid can be reduced to the maximum extent, and the quality of the power grid is improved. In the use, no matter condenser, reactor or fling-cut switch all can generate heat, if the thyristor switching that uses, then calorific capacity can be more with more, and the radiating mode that adopts at present mostly is passive heat dissipation, sets up a lot of holes promptly on the compensation cabinet wall for natural heat dissipation, the heat dissipation is slow like this, can influence reactive power compensator's work moreover. Which is a disadvantage of the prior art.
Disclosure of Invention
the utility model discloses a purpose, be exactly to prior art exist not enough, and provide a reactive compensation cabinet, the reactive compensation cabinet of this scheme adopts the internal temperature of temperature sensor response cabinet, carries out the initiative heat dissipation to there are auxiliary structure such as deflector, through-hole to further improve radiating effect, make the internal heat of cabinet by timely effluvium.
The scheme is realized by the following technical measures: a reactive compensation cabinet comprises a cabinet body, wherein a reactive compensation device is arranged in the cabinet body, and the reactive compensation cabinet also comprises an air inlet fan used for supplying air into the cabinet body; the filter screen is used for filtering the inlet air; an exhaust fan for exhausting air from the cabinet body; the guide plate is used for changing the direction of airflow entering the cabinet body; and the temperature sensor is used for monitoring the temperature in the cabinet body. The air inlet fan and the exhaust fan can promote the air circulation in the cabinet body, so that cold air flow can enter the reactive power compensation device to cool the reactive power compensation device conveniently, and the guide plate can change the air flow direction to fully cool the reactive power compensation device.
An air inlet and an air outlet are respectively arranged on two adjacent side walls of the cabinet body, an air inlet fan is arranged on the air inlet, an exhaust fan is arranged on the air outlet, and a filter screen is arranged on the air inlet; the air outlet is obliquely arranged in the direction far away from the air outlet, the temperature sensor is connected with the controller, the controller is connected with the exhaust fan, the temperature sensor can adopt a commonly known temperature sensor, and the controller can also adopt a commonly known controller; the temperature sensor can detect the temperature in the cabinet body, and when the temperature rises, the controller controls the exhaust fan to exhaust air, so that cold air can enter the cabinet body conveniently.
The heights of the guide plates are different, each guide plate is provided with a plurality of through holes, a plurality of grooves for mounting the guide plates are formed in the cabinet body, the size of each groove is matched with the size of the cross section of the guide plate, the guide plates can be mounted by determining which grooves are provided with the guide plates according to actual use requirements, the heights of the guide plates are different, and each guide plate is provided with the through hole, so that cold air flow can generate different flow directions to fully cool the reactive power compensation device in the cabinet body; and a plurality of guide plates are arranged at the air outlet and incline towards the direction far away from the air inlet. The air inlet is communicated with the air outlet, and the air outlet is communicated with the air inlet.
The temperature sensor is arranged at the intersection of the side wall with the air inlet and the side wall with the air outlet, and the temperature sensor does not directly contact with cold air, so that the temperature in the cabinet body can be conveniently measured.
A temperature control device is connected with the air inlet fan, the temperature control device comprises a thermistor RT and a first triode V1, the base electrode of the first triode V1 is connected with VCC through the thermistor RT, the base electrode of the first triode V1 is grounded through a sliding rheostat RB, the collector electrode of the first triode V1 is connected with VCC, the emitter electrode of the first triode V1 is grounded through a first resistor R1, the emitter electrode of the first triode V1 is connected with the base electrode of the second triode V2, the emitter electrode of the second triode V2 is grounded, the collector electrode of the second triode V2 is connected with VCC through a second resistor R2, the base electrode of the second triode V2 is connected with the collector electrode of the third triode V3 through a third resistor R3, the collector electrode of the second triode V2 is connected with the base electrode of the third triode V3, the emitter electrode of the third triode V3 is grounded, and the collector electrode of the third triode V3 is connected with VCC through a relay J, there is diode D and relay J to connect in parallel, and relay J's first normally open contact J-1 establishes ties with air inlet fan M, has two fans of air inlet fan and exhaust fan like this to there are different controls respectively, on the one hand, there are two fans, more can accelerate the entering and the outflow of cold wind, play the cooling effect, on the other hand, in case controller or temperature control system trouble, another can also continue work, has ensured the work of compensation cabinet. And the thermistor is arranged at the opposite angle far away from the temperature sensor, so that the thermistor and the temperature sensor are arranged at the opposite angle to avoid mutual influence. A button switch SB is connected with a first normally open contact J-1 of the relay J in parallel, so that a worker can directly control the air inlet fan to be opened through the button switch SB according to actual needs.
Therefore, compared with the prior art, the utility model has the substantive characteristics and the progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the guide plate.
Fig. 3 is a circuit diagram of a temperature control device.
In the figure, 1 is a cabinet body, 2 is a reactive power compensator, 3 is an air inlet, 4 is an air outlet, 5 is an air inlet fan, 6 is an exhaust fan, 7 is a filter screen, 8 is a guide plate, 9 is a temperature sensor, 10 is a thermistor, and 11 is a through hole.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following explains the present solution by a specific embodiment in combination with the accompanying drawings.
Can see through the attached drawing, the reactive power compensation cabinet of this scheme, including the cabinet body 1, set up reactive power compensator 2 in the cabinet body 1, still include: an air inlet fan 5 for supplying air into the cabinet 4; a filter screen 7 for filtering the intake air; an exhaust fan 6 for exhausting the cabinet 4; a guide plate 8 for changing the direction of the airflow entering the cabinet 1; a temperature sensor 9 for monitoring the temperature in the cabinet 1; an air inlet 3 and an air outlet 4 are respectively arranged on two adjacent side walls of the cabinet body 1, an air inlet fan 5 is arranged on the air inlet 3, an exhaust fan 6 is arranged on the air outlet 4, and a filter screen 7 is arranged on the air inlet 3; the air inlet 3 is provided with a plurality of guide plates 8, the guide plates 8 incline towards the direction far away from the air outlet 4, the height of the guide plates 8 is different, and each guide plate 8 is provided with a plurality of through holes 11. And in the embodiment, both ends of the guide plate are arc-shaped, so that dust accumulation is avoided. The temperature sensor 9 is arranged at the intersection of the side wall with the air inlet 3 and the side wall with the air outlet 4, the temperature sensor 9 is connected with the controller, the controller is connected with the exhaust fan 6, and the thermistor 10 is arranged at the opposite angle far away from the temperature sensor 9.
Be provided with a plurality of recesses that are used for installing the deflector in the cabinet body 1, can confirm which recess installation deflector like this according to actual need, which recess does not install the deflector, and the deflector has all been installed to every recess in this embodiment, sets up a plurality of deflectors 8 in air outlet 4 department, and the deflector 8 of air outlet department is to the direction slope of keeping away from air intake 3.
A temperature control device is connected with the air inlet fan, the temperature control device comprises a thermistor, the thermistor is identified by RT in a circuit, the base electrode of a first triode V1 is connected with VCC by the thermistor RT, the base electrode of a first triode V1 is grounded by a slide rheostat RB, the collector electrode of a first triode V1 is connected with VCC, the emitter electrode of the first triode V1 is grounded by a first resistor R1, the emitter electrode of the first triode V1 is connected with the base electrode of a second triode V2, the emitter electrode of the second triode V2 is grounded, the collector electrode of the second triode V2 is connected with VCC by a second resistor R2, the base electrode of the second triode V2 is connected with the collector electrode of a third triode V3 by a third resistor R3, the collector electrode of a second triode V2 is connected with the base electrode of a third triode V3, the emitter electrode of the third triode V3 is grounded, the collector electrode of the third triode V3 is connected with VCC by a relay J, the diode D is connected with the relay J in parallel, a first normally open contact J-1 of the relay J is connected with the air inlet fan M in series, and the button switch SB is connected with the first normally open contact J-1 of the relay J in parallel.
The present invention is not limited to the above embodiments, and variations, modifications, additions and substitutions made by those skilled in the art within the scope of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a reactive compensation cabinet, includes the cabinet body, the internal reactive compensation device that sets up of cabinet, characterized by still includes:
An air inlet fan for supplying air into the cabinet body;
The filter screen is used for filtering the inlet air;
an exhaust fan for exhausting air from the cabinet body;
The guide plate is used for changing the direction of airflow entering the cabinet body;
the temperature sensor is used for monitoring the temperature in the cabinet body;
An air inlet and an air outlet are respectively arranged on two adjacent side walls of the cabinet body, an air inlet fan is arranged on the air inlet, an exhaust fan is arranged on the air outlet, and a filter screen is arranged on the air inlet; the air inlet is provided with a plurality of guide plates, the guide plates incline towards the direction far away from the air outlet, the temperature sensor is connected with the controller, the controller is connected with the exhaust fan, and the temperature sensor is arranged at the intersection of the side wall with the air inlet and the side wall with the air outlet;
A temperature control device is connected with the air inlet fan, the temperature control device comprises a thermistor RT and a first triode V1, the base electrode of the first triode V1 is connected with VCC through the thermistor RT, the base electrode of the first triode V1 is grounded through a sliding rheostat RB, the collector electrode of the first triode V1 is connected with VCC, the emitter electrode of the first triode V1 is grounded through a first resistor R1, the emitter electrode of the first triode V1 is connected with the base electrode of the second triode V2, the emitter electrode of the second triode V2 is grounded, the collector electrode of the second triode V2 is connected with VCC through a second resistor R2, the base electrode of the second triode V2 is connected with the collector electrode of the third triode V3 through a third resistor R3, the collector electrode of the second triode V2 is connected with the base electrode of the third triode V3, the emitter electrode of the third triode V3 is grounded, and the collector electrode of the third triode V3 is connected with VCC through a relay J, the diode D is connected with the relay J in parallel, a first normally open contact J-1 of the relay J is connected with the air inlet fan M in series, and the button switch SB is connected with the first normally open contact J-1 of the relay J in parallel.
2. A reactive compensation cabinet according to claim 1, characterized in that: the height difference of deflector, and all set up a plurality of through-holes on every deflector.
3. A reactive compensation cabinet according to claim 1 or 2, characterized in that: a plurality of grooves for installing guide plates are arranged in the cabinet body.
4. a reactive compensation cabinet according to claim 1 or 2, characterized in that: and a plurality of guide plates are arranged at the air outlet and incline towards the direction far away from the air inlet.
5. A reactive compensation cabinet according to claim 1, characterized in that: the thermistor is arranged at the opposite angle far away from the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056547.1U CN209748196U (en) | 2019-01-14 | 2019-01-14 | Reactive power compensation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056547.1U CN209748196U (en) | 2019-01-14 | 2019-01-14 | Reactive power compensation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748196U true CN209748196U (en) | 2019-12-06 |
Family
ID=68705695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920056547.1U Active CN209748196U (en) | 2019-01-14 | 2019-01-14 | Reactive power compensation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748196U (en) |
-
2019
- 2019-01-14 CN CN201920056547.1U patent/CN209748196U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A reactive power compensation cabinet Effective date of registration: 20220505 Granted publication date: 20191206 Pledgee: Jining Jinxiang sub branch of Rizhao Bank Co.,Ltd. Pledgor: SHANDONG GOLDACE ELECTRIC EQUIPMENT CO.,LTD. Registration number: Y2022980005070 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230922 Granted publication date: 20191206 Pledgee: Jining Jinxiang sub branch of Rizhao Bank Co.,Ltd. Pledgor: SHANDONG GOLDACE ELECTRIC EQUIPMENT CO.,LTD. Registration number: Y2022980005070 |