CN206432717U - A kind of capacitance compensation switch - Google Patents
A kind of capacitance compensation switch Download PDFInfo
- Publication number
- CN206432717U CN206432717U CN201720143192.0U CN201720143192U CN206432717U CN 206432717 U CN206432717 U CN 206432717U CN 201720143192 U CN201720143192 U CN 201720143192U CN 206432717 U CN206432717 U CN 206432717U
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- CN
- China
- Prior art keywords
- module
- fin
- heat radiation
- silicon controlled
- radiation rack
- Prior art date
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model is related to a kind of capacitance compensation switch, belong to equipment for power transmission and distribution field, described capacitance compensation switch includes base, heat radiation rack, top cover, fan, air intake passage, air-vent, input terminal, lead-out terminal, silicon controlled module, magnetic latching relay, controller, connection jaws, the first fin, the second fin, fastening bolt, capacitance group, counting module, temperature control module；Input terminal, lead-out terminal, silicon controlled module, magnetic latching relay and controller are installed, controller is connected with counting module, temperature control module, zero cross detection circuit, photoelectrical coupler and polarity switching respectively on heat radiation rack；The utility model carries out capacitor switching jointly using silicon controlled module and magnetic latching relay, lifts the power factor of distribution network, at the same avoid shove, the generation of harmonic current；The utility model makes its good heat dispersion performance by setting fan and fin, to ensure that equipment is normally run.
Description
Technical field
The utility model is related to equipment for power transmission and distribution field, and in particular to a kind of capacitance compensation switch.
Background technology
Electric capacitor compensation is also referred to as power factor compensation, and the electrical equipment of power system can produce idle work(when in use
Rate, and it is typically inductive, and it can reduce the capacity service efficiency of power supply, and by suitably increasing electricity in systems
The mode of appearance can just be improved.
At present, conventional capacitor fling-cut switch has two kinds of mechanical switch and reverse-blocking tetrode thyristor, but two kinds of switches all have phase
The defect answered, mechanical switch initial voltage of capacitor in input is zero, and in moment of closing a floodgate, line voltage is not often again
Zero, the voltage for being added in capacitor two ends is raised suddenly, and then a very big inrush current is produced, so that probe of contactor
Easily burnt or bonded by arcing, shoved in combined floodgate moment impact and be likely to be breached tens times of rated current, not only to electricity
Net is impacted, and the service life of influence capacitor,；Reverse-blocking tetrode thyristor is when detecting line voltage zero passage, and switch is touched
Voltage slowly rises and without inrush phenomenon impact, handed over when fundamentally solving power capacitor switching on hair conducting, capacitor
Flow the unfavorable condition that contactor is often sintered and damaged；But in actual motion, reverse-blocking tetrode thyristor can produce harmonic current, influence
The normal operation of capacitor, and larger heat can be produced, cause switch temperature to raise, influence its normal work.
The content of the invention
For problem present in background technology, the utility model proposes a kind of capacitance compensation switch, controllable silicon is utilized
Module and magnetic latching relay carry out capacitor switching jointly, lift the power factor of distribution network, at the same avoid shove, harmonic wave
The generation of electric current；The utility model makes its good heat dispersion performance by setting fan and fin, to ensure that equipment is normally transported
OK.
To achieve the above object, the utility model is achieved by the following technical solution：Described capacitance compensation switch
Kept including base, heat radiation rack, top cover, fan, air intake passage, air-vent, input terminal, lead-out terminal, silicon controlled module, magnetic
Relay, controller, connection jaws, the first fin, the second fin, fastening bolt, capacitance group, counting module, temperature control module；
The heat radiation rack is arranged on base, and base is provided with fan, and being provided with the upside of air intake passage, air intake passage for heat radiation rack is set
Have be uniformly arranged on the outside of air-vent, heat radiation rack on the first fin, heat radiation rack input terminal is installed, it is lead-out terminal, controllable
Silicon module, magnetic latching relay and controller, input terminal, lead-out terminal, silicon controlled module, are equipped with magnetic latching relay
Connection jaws, photoelectrical coupler is connected with silicon controlled module, and input terminal is connected by polarity switching with magnetic latching relay,
The output end of silicon controlled module and magnetic latching relay is connected by electric conductor and the input of capacitance group respectively, capacitance group it is defeated
Go out end be connected by electric conductor with lead-out terminal, controller respectively with counting module, temperature control module, zero cross detection circuit, photoelectricity
Coupler and polarity switching are connected, and temperature control module is connected with fan；The top cover is arranged on radiating by fastening bolt
On frame, the top of top cover is provided with the second fin described in two rows.
Preferably, described top cover is provided with lightning arrester.
Preferably, the both sides of described top cover are provided with shutter.
The beneficial effects of the utility model：
The utility model carries out capacitor switching jointly using silicon controlled module and magnetic latching relay, lifting distribution network
Power factor, at the same avoid shove, the generation of harmonic current；The utility model dissipates it by setting fan and fin
Hot property is preferable, to ensure that equipment is normally run.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A sectional views of the present utility model；
Fig. 3 is top view of the present utility model；
Fig. 4 is switching control flow chart of the present utility model.
In figure, 1- bases, 2- heat radiation racks, 3- top covers, 4- fans, 5- air intake passages, 6- air-vents, 7- input terminals, 8-
Lead-out terminal, 9- silicon controlled modules, 10- magnetic latching relays, 11- controllers, 12- connection jaws, the fin of 13- first, 14-
Two fin, 15- fastening bolts, 16- capacitance groups.
Embodiment
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
As Figure 1-4, described capacitance compensation switch includes base 1, heat radiation rack 2, top cover 3, fan 4, air intake passage
5th, air-vent 6, input terminal 7, lead-out terminal 8, silicon controlled module 9, magnetic latching relay 10, controller 11, connection jaws 12,
One fin 13, the second fin 14, fastening bolt 15, capacitance group 16, counting module, temperature control module.
The heat radiation rack 2 be arranged on base 1 on, base 1 be provided with fan 4, heat radiation rack 2 be provided with air intake passage 5, enter
The upside of wind passage 5 be provided with air-vent 6, the outside of heat radiation rack 2 be uniformly arranged on the first fin 13, heat radiation rack 2 be provided with it is defeated
Enter terminal 7, lead-out terminal 8, silicon controlled module 9, magnetic latching relay 10 and controller 11, input terminal 7, lead-out terminal 8, can
Connection jaws 12 are equipped with control silicon module 9, magnetic latching relay 10, photoelectrical coupler is connected with silicon controlled module 9, input terminal
7 are connected by polarity switching with magnetic latching relay 10, you can control silicon module 9 is connected with each other with magnetic latching relay 10,
Silicon controlled module 9 is connected by electric conductor with the input of capacitance group 16 respectively with the output end of magnetic latching relay 10, electric capacity
The output end of group 16 is connected by electric conductor with lead-out terminal 8, and controller 11 is examined with counting module, temperature control module, zero passage respectively
Slowdown monitoring circuit, photoelectrical coupler and polarity switching are connected, and temperature control module is connected with fan 4；The implementation process of capacitor switching
For：After combined floodgate, when zero cross detection circuit detects voltage zero-cross, zero cross signal is sent to controller 11, controller 11 passes through
Photoelectrical coupler control silicon controlled module 9 is turned on, and after normal operation circuit, controller 11 controls magnetic by polarity switching
Guard relay 10 turns on and so that silicon controlled module 9 disconnects, completes the input of capacitance group 16；When controller 11 receives electric capacity
During the excision order of group 16, control silicon controlled module 9 to turn on by photoelectrical coupler, disconnect magnetic latching relay 10, and it is controllable
Silicon module 9 disconnects naturally in current over-zero, completes the excision of capacitance group 16；Especially, magnetic latching relay 10 maintain a normally open,
The suction of wherein permanent-magnet steel is only relied on during normally off, without continued power, the purpose for saving the energy is reached.The top cover
3 are arranged on heat radiation rack 2 by fastening bolt 15, and the top of top cover 3 is provided with the second fin 14 described in two rows, when temperature control mould
Block detect internal temperature it is higher when, the control fan 4 air blast radiating of controller 11, and in order to further save the energy, in radiating
Frame 2 and top cover 3 are respectively equipped with the first fin 13 and the second fin 14 so that when fan 4 is not run, the utility model has
There is preferable radiating effect, further, capacitance compensation is switched operationally, heat radiation rack 2 and top cover 3 are copper material, first
The fin 14 of fin 13 and second is aluminum material, because of the heat conductivility of the copper preferably good heat dissipation effect of aluminium, capacitance compensation
The heat that switch internal is produced is conducted to the first fin 13 of aluminum and the second radiating by heat radiation rack 2 made of copper and top cover 3
On piece 14, so planting design the heat of capacitance compensation switch internal generation is efficiently dissipated, it is ensured that equipment is normally transported
OK.
Wherein, counting module can record the switching frequency of silicon controlled module 9 and magnetic latching relay 10 so that attendant
The degree of fatigue of the actuating member of fling-cut switch can be known at any time, be easy to carry out it autotelic active maintenance, to change
The promptness of kind later maintenance and the validity safeguarded.
Described top cover 3 is provided with lightning arrester, it is to avoid the utility model is struck by lightning.
The both sides of described top cover 3 are provided with shutter, and the ventilation effect of enhancing capacitance compensation switch improves its thermal diffusivity
Energy.
The course of work of the present utility model：During combined floodgate, when zero cross detection circuit detects voltage zero-cross, zero cross signal is sent out
Controller 11 is given, controller 11 controls silicon controlled module 9 to turn on by photoelectrical coupler, after normal operation circuit, control
Device 11 by polarity switching control magnetic latching relay 10 turn on and cause silicon controlled module 9 disconnects, completion capacitance group 16
Input；When controller 11 receives the excision order of capacitance group 16, silicon controlled module 9 is controlled to turn on by photoelectrical coupler,
Magnetic latching relay 10 is disconnected, and silicon controlled module 9 disconnects naturally in current over-zero, completes the excision of capacitance group 16；When
Temperature control module detect internal temperature it is higher when, the control fan 4 air blast radiating of controller 11.
The utility model carries out capacitor switching jointly using silicon controlled module and magnetic latching relay, lifting distribution network
Power factor, at the same avoid shove, the generation of harmonic current；The utility model dissipates it by setting fan and fin
Hot property is preferable, to ensure that equipment is normally run.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model is described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims institute to it in the form and details
The scope of restriction.
Claims (3)
1. a kind of capacitance compensation switch, it is characterised in that：Described capacitance compensation switch includes base（1）, heat radiation rack（2）, top
Lid（3）, fan（4）, air intake passage（5）, air-vent（6）, input terminal（7）, lead-out terminal（8）, silicon controlled module（9）, magnetic
Guard relay（10）, controller（11）, connection jaws（12）, the first fin（13）, the second fin（14）, fastening bolt
（15）, capacitance group（16）, counting module, temperature control module；The heat radiation rack（2）Installed in base（1）On, base（1）It is provided with
Fan（4）, heat radiation rack（2）Be provided with air intake passage（5）, air intake passage（5）Upside be provided with air-vent（6）, heat radiation rack（2）
Outside be uniformly arranged the first fin（13）, heat radiation rack（2）On input terminal is installed（7）, lead-out terminal（8）, controllable silicon
Module（9）, magnetic latching relay（10）And controller（11）, input terminal（7）, lead-out terminal（8）, silicon controlled module（9）, magnetic
Guard relay（10）On be equipped with connection jaws（12）, photoelectrical coupler and silicon controlled module（9）It is connected, input terminal（7）It is logical
Cross polarity switching and magnetic latching relay（10）It is connected, silicon controlled module（9）With magnetic latching relay（10）Output end
Pass through electric conductor and capacitance group respectively（16）Input connection, capacitance group（16）Output end pass through electric conductor and lead-out terminal
（8）Connection, controller（11）Respectively with counting module, temperature control module, zero cross detection circuit, photoelectrical coupler and dipole inversion
Circuit is connected, temperature control module and fan（4）Connection；The top cover（3）Pass through fastening bolt（15）Installed in heat radiation rack（2）On,
Top cover（3）Top provided with the second fin described in two rows（14）.
2. a kind of capacitance compensation switch as claimed in claim 1, it is characterised in that：Described top cover（3）Provided with lightning-arrest dress
Put.
3. a kind of capacitance compensation switch as claimed in claim 1, it is characterised in that：Described top cover（3）Both sides be provided with hundred
Leaf window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143192.0U CN206432717U (en) | 2017-02-17 | 2017-02-17 | A kind of capacitance compensation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143192.0U CN206432717U (en) | 2017-02-17 | 2017-02-17 | A kind of capacitance compensation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432717U true CN206432717U (en) | 2017-08-22 |
Family
ID=59590119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720143192.0U Expired - Fee Related CN206432717U (en) | 2017-02-17 | 2017-02-17 | A kind of capacitance compensation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563258A (en) * | 2020-12-11 | 2021-03-26 | 浙江华晶整流器有限公司 | Light-operated module |
-
2017
- 2017-02-17 CN CN201720143192.0U patent/CN206432717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563258A (en) * | 2020-12-11 | 2021-03-26 | 浙江华晶整流器有限公司 | Light-operated module |
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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: 20170822 Termination date: 20180217 |