CN201674230U - Switching device for low-voltage reactive power compensation device and low-voltage reactive power compensation device - Google Patents
Switching device for low-voltage reactive power compensation device and low-voltage reactive power compensation device Download PDFInfo
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- CN201674230U CN201674230U CN2010201890328U CN201020189032U CN201674230U CN 201674230 U CN201674230 U CN 201674230U CN 2010201890328 U CN2010201890328 U CN 2010201890328U CN 201020189032 U CN201020189032 U CN 201020189032U CN 201674230 U CN201674230 U CN 201674230U
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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
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Abstract
The utility model discloses a switching device for a low-voltage reactive power compensation device and a low-voltage reactive power compensation device; the switching device comprises a drawer-type box body and at least one group of reactive power compensation switching units which are arranged in the box body; the reactive power compensation switching unit comprises a capacitor, a protective electric appliance and a switch which are electrically connected; and the box body is provided with a first dynamic connector and a second dynamic connector, the first dynamic connector is connected with the reactive power compensation switching units, and the second dynamic connector is connected with the switch. In the device, because easily damaged electric appliance elements are concentrated in the drawer-type box body, when an electric appliance element is damaged and needs to be maintained, the damaged electric appliance element can be safely and conveniently replaced only by drawing out the box body without disconnecting a main switch and affecting the power supply to a user and the power supply quality; and after replacement, the electric appliance element can be inserted into a compensation cabinet, and the use is very convenient and quick.
Description
Technical field
The utility model relates to and is used to adjust the ac mains of reactive power or the circuit arrangement of ac distribution network, especially a kind of switching device and low-voltage reactive compensator capable that is used for low-voltage reactive compensator capable.
Background technology
Reactive power compensation is the important conservation measures that the reactive current in the raising electricity consumption power-factor of load, the minimizing electric energy transmitting circuit causes loss.Existing low-voltage reactive compensator capable mainly is made up of compensating cabinet, switch with knifeshaped fuse, control unit and at least one group of reactive compensation switching unit; every group of reactive compensation switching unit mainly is made up of electric capacity, protection electrical equipment and fling-cut switch again, and all electric elements are realized being electrically connected through cable.But,, when the electric elements damage needs maintenance, must cut off main switch, so can have influence on user power utilization and power supply quality because all electric elements all are fixedly mounted in the compensating cabinet at present; And, in high voltage/low voltage prepackage box-type substation and combined transformer,, change time-consuming, the effort of electric elements owing to be subjected to spatial limitation, safeguard very inconvenient.
Summary of the invention
One of the purpose of this utility model is to provide a kind of switching device that is used for low-voltage reactive compensator capable, safeguarding low-voltage reactive compensator capable easily and quickly, and need not cut off main switch when safeguarding, does not influence user power utilization and power supply quality.
To achieve these goals, the technical solution adopted in the utility model is: a kind of switching device that is used for low-voltage reactive compensator capable, comprise the drawer type casing and be installed at least one group of interior reactive compensation switching unit of this casing, this reactive compensation switching unit comprises electric capacity, protection electrical equipment and the fling-cut switch through being electrically connected; Be provided with the first moving connector and the second moving connector on described casing, this first moving connector is connected with described reactive compensation switching unit, and this second moving connector is connected with described fling-cut switch.
Described casing comprises base, is fixed on the installing rack on the base and covers on the outer shell of installing rack, on this installing rack, be installed with described reactive compensation switching unit, rear side at this installing rack is installed with the described first moving connector, and this first moving connector stretches out described shell.
Be equipped with roller or track in the left and right sides of described base, insert and extract out with convenient.
Rear side at described base is provided with alignment pin or location hole; Be respectively equipped with left snap close and right snap close in the left and right sides of described base, the inner of this left side snap close and this right side snap close is stretched in the base, front end edge at this base laterally is provided with two chutes, in these two chutes, be provided with left handle and right handles respectively slippingly, the inner of this left handle and right handles links to each other with the inner of described left snap close and right snap close respectively, drives left snap close and right snap close stretching motion respectively by this left handle and right handles.
The described second moving connector is an aviation plug.
Another purpose of the present utility model is to provide a kind of low-voltage reactive compensator capable that can safeguard easily and fast, and need not cut off main switch when safeguarding, does not influence user power utilization and power supply quality.
To achieve these goals; the technical solution adopted in the utility model is: a kind of low-voltage reactive compensator capable; comprise compensating cabinet; switch with knifeshaped fuse; control unit and at least one group of reactive compensation switching unit; this reactive compensation switching unit comprises the electric capacity through being electrically connected; protection electrical equipment and fling-cut switch; it is characterized in that: in described compensating cabinet, be provided with the drawer type casing that to extract out; described reactive compensation switching unit is contained in this casing; on this casing, be provided with the first moving connector and the second moving connector; in described compensating cabinet, be provided with the first quiet connector and the second quiet connector that match with this first moving connector and this second moving connector respectively; described reactive compensation switching unit is connected with described switch with knifeshaped fuse with this first quiet connector through this first moving connector, and described fling-cut switch is connected with described control unit with this second quiet connector through this second moving connector.
Described casing comprises base, is fixed on the installing rack on the base and covers on the outer shell of installing rack, on this installing rack, be installed with described reactive compensation switching unit, rear side at this installing rack is installed with the described first moving connector, and this first moving connector stretches out described shell.
Between the inboard of the both sides of described base and described compensating cabinet, be provided with roller and the track that cooperatively interacts, insert and extract out casing with convenient.
Between the rear side of described base and described compensating cabinet inboard, be provided with alignment pin and the location hole that cooperatively interacts, guarantee that the first moving connector reliably is connected with the first quiet connector.Be respectively equipped with left snap close and right snap close in the left and right sides of described base, the inner of this left side snap close and this right side snap close is stretched in the base, front end edge at this base laterally is provided with two chutes, in these two chutes, be provided with left handle and right handles respectively slippingly, the inner of this left handle and right handles links to each other with the inner of described left snap close and right snap close respectively, drives left snap close and right snap close stretching motion respectively by this left handle and right handles; Be provided with left lockhole and the right lockhole that matches with described left snap close and described right snap close respectively in the inboard of described compensating cabinet, when drawer was positioned at compensating cabinet, left snap close and right snap close were buckled in respectively in left lockhole and the right lockhole, guaranteed that casing firmly is connected with compensating cabinet.
For fling-cut switch reliably is connected with control unit, the described second moving connector is an aviation plug, and the described second quiet connector is the aviation socket.
Compared with prior art, the utility model has the advantages that:
(1) by flimsy electric elements is installed concentratedly in the drawer type casing, when certain electric elements damage need be safeguarded, only need casing is extracted out, just can change the electric elements that damage safely, easily, and need not disconnect main switch, do not influence user power utilization and power supply quality, insert again in the compensating cabinet after replacing is finished, very convenient, quick.
(2) fling-cut switch is connected with aviation plug through the aviation socket with control unit, good reliability, easy installation and removal.
(3) switching device adopts modularization production and processing, efficient height.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment;
Fig. 2 is the stereogram of the utility model embodiment switching device;
Fig. 3 is the stereogram after the utility model embodiment switching device removes shell;
Fig. 4 is the stereogram of the utility model embodiment compensating cabinet.
Description of reference numerals:
1-shell, 2-base, 3-indicator light, the 4-second moving connector, 5-flexible pipe, 6-protection electrical equipment, the 7-first moving connector, 8-fling-cut switch, 9-thermal relay, 10-electric capacity, 11-installing rack, 12-roller, 13-alignment pin, 14-snap close, 15-handle, 16-chute, 17-compensating cabinet, the 18-first quiet connector, 19-lockhole, 20-track, 21-location hole, 23-low voltage surge arrester, 24-switch with knifeshaped fuse.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
As seen from Figure 1; low-voltage reactive compensator capable is made up of switch with knifeshaped fuse 24, low voltage surge arrester 23, control unit and at least one group of reactive compensation switching unit; wherein the reactive compensation switching unit is made up of through being electrically connected electric capacity 10, indicator light 3, thermal relay 9, fling-cut switch 8 and protection electrical equipment 6; fling-cut switch 8 is contactor or combination switch, and protection electrical equipment 6 is circuit breaker or fuse.The reactive compensation switching unit links to each other with switch with knifeshaped fuse 24, and 24 of switch with knifeshaped fuse link to each other with electric power system.Control unit mainly is made up of the current transformer that is used for reactive power compensation in reactive power compensating controller and fling-cut switch 8, the total cabinet, and reactive power compensating controller and this current transformer, fling-cut switch 8 are connected through secondary line.Gather the current signal of electric power system by this current transformer, the switching of reactive power compensating controller control reactive compensation switching unit.
The utility model is installed the reactive compensation switching unit concentratedly in the drawer type casing and is formed switching device, switching device is contained in the compensating cabinet again.When certain electric elements damage of switching device need be safeguarded, only need switching device is extracted out, just can change the electric elements of damage safely, easily, and need not disconnect main switch, do not influence user power utilization and power supply quality, insert again in the compensating cabinet after replacing is finished, very convenient, quick.
Referring to Fig. 2 and Fig. 3, switching device mainly is made up of drawer type casing and four groups of reactive compensation switching unit, wherein casing by base 2, be fixed on the installing rack 11 on the base 2 and cover on the outer shells 1 of installing rack 11 and form, each electric elements of reactive compensation switching unit are arranged in the space by installing rack 11, rear side at this installing rack 11 is installed with the first moving connector 7 that links to each other with the reactive compensation switching unit, and this first moving connector 7 stretches out shell 1.Be respectively equipped with two rollers 12 in the left and right sides of base 2, and be respectively equipped with left snap close 14 and right snap close 14 in the front portion of this left and right sides, the inner of this left side snap close 14 and this right side snap close 14 is stretched in the base 2, front end edge at this base 2 laterally is provided with two chutes 16, in these two chutes 16, be provided with left handle 15 and right handles 15 respectively slippingly, the inner of this left handle 15 and right handles 15 links to each other with the inner of left snap close 14 and right snap close 14 respectively, drives left snap close 14 and right snap close 14 stretching motions respectively by this left handle 15 and right handles 15.Rear side at base 2 is provided with two alignment pins 13.Be provided with the second moving connector 4 in the outside of shell 1, this second moving connector 4 cable through passing flexible pipe 5 is connected with fling-cut switch 8, and the second moving connector 4 of present embodiment is an aviation plug.
Referring to Fig. 4, be provided with the opening that inserts and extract out for switching device in the front side of compensating cabinet 17, be provided with the first quiet connector 18 that matches with the first moving connector 7 in the inside upper part of compensating cabinet 17 back side panels, be provided with two location holes 21 that match with alignment pin 13 in the lower inside of back side panel.Lower inside at compensating cabinet 17 left side plates is provided with left lockhole 19 and the right lockhole 19 that matches with left snap close 14 and right snap close 14 respectively.Be provided with the track 20 that rolls for roller 12 at the two ends, the left and right sides of compensating cabinet 17 inner bottom surfaces.Be provided with the second quiet connector (not shown on the figure) that cooperates with the second moving connector 4 in compensating cabinet 17, the second quiet connector of present embodiment is the aviation socket.
The operation principle of present embodiment is:
When devoting oneself to work, 20 pairs on track in roller 12 and the compensating cabinet 17 is good, toward inboard pulling handle 15, snap close 14 is indentation base 2 thereupon, promoting switching device moves in compensating cabinet 17, after alignment pin 13 and the location hole 21 in the compensating cabinet 17 are worked good, continue to promote switching device, the first moving connector 7 and the compensating cabinet 17 first interior quiet connectors 18 reliably are connected, release handle 15 again, and snap close 14 stretches out from base 2 thereupon, fasten the lockhole 19 in the compensating cabinet 17, make device firm, secondary line is connected (the second quiet connector) by aviation plug (the second moving connector) with the aviation socket.When safeguarding, separately aviation plug and aviation socket spur handle 15 toward the inboard, and the lockhole 19 that snap close 14 is thrown off in the compensating cabinets 17, and indentation base 2 are pulled out compensating cabinet 17 to switching device, change element, and be very convenient, quick.
Only be specific embodiment of the utility model below, do not limit protection range of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection range of the present utility model.
Claims (10)
1. switching device that is used for low-voltage reactive compensator capable, it is characterized in that: comprise the drawer type casing and be installed at least one group of interior reactive compensation switching unit of this casing, this reactive compensation switching unit comprises electric capacity, protection electrical equipment and the fling-cut switch through being electrically connected; Be provided with the first moving connector and the second moving connector on described casing, this first moving connector is connected with described reactive compensation switching unit, and this second moving connector is connected with described fling-cut switch.
2. the switching device that is used for low-voltage reactive compensator capable according to claim 1, it is characterized in that: described casing comprises base, is fixed on the installing rack on the base and covers on the outer shell of installing rack, on this installing rack, be installed with described reactive compensation switching unit, rear side at this installing rack is installed with the described first moving connector, and this first moving connector stretches out described shell.
3. the switching device that is used for low-voltage reactive compensator capable according to claim 2 is characterized in that: be equipped with roller or track in the left and right sides of described base.
4. the switching device that is used for low-voltage reactive compensator capable according to claim 3 is characterized in that: the rear side at described base is provided with alignment pin or location hole; Be respectively equipped with left snap close and right snap close in the left and right sides of described base, the inner of this left side snap close and this right side snap close is stretched in the base, front end edge at this base laterally is provided with two chutes, in these two chutes, be provided with left handle and right handles respectively slippingly, the inner of this left handle and right handles links to each other with the inner of described left snap close and right snap close respectively, drives left snap close and right snap close stretching motion respectively by this left handle and right handles.
5. the described switching device that be used for low-voltage reactive compensator capable arbitrary according to claim 1 to 4 is characterized in that: the described second moving connector is an aviation plug.
6. low-voltage reactive compensator capable; comprise compensating cabinet; switch with knifeshaped fuse; control unit and at least one group of reactive compensation switching unit; this reactive compensation switching unit comprises the electric capacity through being electrically connected; protection electrical equipment and fling-cut switch; it is characterized in that: in described compensating cabinet, be provided with the drawer type casing that to extract out; described reactive compensation switching unit is contained in this casing; on this casing, be provided with the first moving connector and the second moving connector; in described compensating cabinet, be provided with the first quiet connector and the second quiet connector that match with this first moving connector and this second moving connector respectively; described reactive compensation switching unit is connected with described switch with knifeshaped fuse with this first quiet connector through this first moving connector, and described fling-cut switch is connected with described control unit with this second quiet connector through this second moving connector.
7. low-voltage reactive compensator capable according to claim 6, it is characterized in that: described casing comprises base, is fixed on the installing rack on the base and covers on the outer shell of installing rack, on this installing rack, be installed with described reactive compensation switching unit, rear side at this installing rack is installed with the described first moving connector, and this first moving connector stretches out described shell.
8. low-voltage reactive compensator capable according to claim 7 is characterized in that: be provided with roller and the track that cooperatively interacts between the inboard of the both sides of described base and described compensating cabinet.
9. low-voltage reactive compensator capable according to claim 8 is characterized in that: be provided with alignment pin and the location hole that cooperatively interacts between the rear side of described base and described compensating cabinet inboard; Be respectively equipped with left snap close and right snap close in the left and right sides of described base, the inner of this left side snap close and this right side snap close is stretched in the base, front end edge at this base laterally is provided with two chutes, in these two chutes, be provided with left handle and right handles respectively slippingly, the inner of this left handle and right handles links to each other with the inner of described left snap close and right snap close respectively, drives left snap close and right snap close stretching motion respectively by this left handle and right handles; Be provided with left lockhole and the right lockhole that matches with described left snap close and described right snap close respectively in the inboard of described compensating cabinet, when drawer was positioned at compensating cabinet, left snap close and right snap close were buckled in respectively in left lockhole and the right lockhole.
10. the described low-voltage reactive compensator capable arbitrary according to claim 6 to 9 is characterized in that: the described second moving connector is an aviation plug, and the described second quiet connector is the aviation socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201890328U CN201674230U (en) | 2010-05-05 | 2010-05-05 | Switching device for low-voltage reactive power compensation device and low-voltage reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201890328U CN201674230U (en) | 2010-05-05 | 2010-05-05 | Switching device for low-voltage reactive power compensation device and low-voltage reactive power compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201674230U true CN201674230U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201890328U Expired - Fee Related CN201674230U (en) | 2010-05-05 | 2010-05-05 | Switching device for low-voltage reactive power compensation device and low-voltage reactive power compensation device |
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| Country | Link |
|---|---|
| CN (1) | CN201674230U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437528A (en) * | 2012-01-16 | 2012-05-02 | 能科节能技术股份有限公司 | Cabinet body of modularized drawer-type low-voltage reactive compensation device |
| CN105119296A (en) * | 2015-07-29 | 2015-12-02 | 合肥华义电气科技有限公司 | Low-voltage drawer type capacitance compensation cabinet |
| CN106130037A (en) * | 2016-08-31 | 2016-11-16 | 泉州维盾电气有限公司 | In a kind of low-pressure cabinet, power capacitor does not have a power failure fast replacing structure |
-
2010
- 2010-05-05 CN CN2010201890328U patent/CN201674230U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437528A (en) * | 2012-01-16 | 2012-05-02 | 能科节能技术股份有限公司 | Cabinet body of modularized drawer-type low-voltage reactive compensation device |
| CN105119296A (en) * | 2015-07-29 | 2015-12-02 | 合肥华义电气科技有限公司 | Low-voltage drawer type capacitance compensation cabinet |
| CN106130037A (en) * | 2016-08-31 | 2016-11-16 | 泉州维盾电气有限公司 | In a kind of low-pressure cabinet, power capacitor does not have a power failure fast replacing structure |
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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: 20101215 Termination date: 20160505 |