CN104090232B - Circuit breaker short-circuit current test table - Google Patents
Circuit breaker short-circuit current test table Download PDFInfo
- Publication number
- CN104090232B CN104090232B CN201410316950.5A CN201410316950A CN104090232B CN 104090232 B CN104090232 B CN 104090232B CN 201410316950 A CN201410316950 A CN 201410316950A CN 104090232 B CN104090232 B CN 104090232B
- Authority
- CN
- China
- Prior art keywords
- copper bar
- cylinder
- article
- copper
- circuit
- 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.)
- Active
Links
Landscapes
- Gas-Insulated Switchgears (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to a circuit breaker short-circuit current test table. The circuit breaker short-circuit current test table comprises a computer, a large-current rise transformer and terminals connected with the wire inlet end and the wire outlet end of a tested circuit breaker. The circuit breaker short-circuit current test table further comprises a multi-position coordinated pneumatic contactor device. The multi-position coordinated pneumatic contactor device comprises a bottom plate for assembly, seven copper bars, a large air cylinder plate, a small air cylinder plate, eight air cylinders, eight electromagnetic valves and eight relays. The seven copper bars are fixedly connected to the bottom plate, and the eight air cylinders are fixedly connected to the large air cylinder plate and the small air cylinder plate. The large air cylinder plate and the small air cylinder plate stride across the copper bars through supporting pieces and are fixedly connected to the bottom plate. Each air cylinder is controlled by one electromagnetic valve to move, a signal circuit of each electromagnetic valve is connected to one relay, and each relay circuit is connected to the computer. According to the circuit breaker short-circuit current test table, switching-on and switching-off of the circuits can be achieved through multi-position coordinated actions via the air cylinders and moving contacts, the copper bars serve as charging circuits and contactor parts, the number and the length of the copper bars are greatly reduced, and the occupied space is greatly reduced; the thought and the structure are novel, and cost is greatly reduced.
Description
Technical field
The invention belongs to a kind of low-voltage electrical apparatus, particularly relate to a kind of circuit breaker short circuit current testing platform.
Background technology
The detection check of breaker of plastic casing needs a phase, b phase line respective with the c phase electric current detecting in its three-phase circuit
And ab is alternate, bc is alternate, the alternate respective three-phase current of ca.Breaker of plastic casing wink dynamic verification testing stand is typically by big merit
The elements such as rate electric voltage regulator, rising current transformer, catalyst, relay, signal lights are constituted.This type of current testing stand,
Being difficulty with automatically detecting, its catalyst used, as electronic control component, uses galvanomagnetic-effect principle, is often in whole
On certain branch road of individual circuit, when taking big electric current, need large-scale big contactor or several probe of contactor superpositions,
Catalyst own vol is huge；Additionally its copper bar quantity come and gone accessed is many, and copper bar sectional area at least to reach 1000
mm2, so, the lengthy and tedious complexity of circuit, take up room huge, cannot arrange in limited testing stand casing；And contact
The model that device is selected is also required to become according to different voltage x current, and type selection calculation work just occupies the substantial amounts of time；Additionally
The a large amount of of copper bar use the cost considerably increasing verification testing stand.
Summary of the invention
The present invention solves technical problem present in known technology and provide one can produce big electric current dynamic by machinery
More easily control the circuit breaker short circuit current testing platform of big current switching.
The present invention solves that technical problem is adopted the technical scheme that present in known technology: it includes computer, big
Electric current rising current transformer and the terminal of connection tested chopper turnover line end, also include a multiposition and coordinate pneumatic contact
Device device；Described multiposition is coordinated pneumatic contactor device and is included assembling base plate, 7 copper bars, air cylinder board and 8
Cylinder, 8 electromagnetic valves, 8 relays；7 described copper bars are fixed on described base plate the most isolator,
8 described cylinders are fixed on described air cylinder board, described each cylinder cylinder rod overhang insulation be fixed with
Moving contact；Described air cylinder board by support member across above described copper bar and be fixed on described base plate；Described
Article 7, the arrangement of copper bar is can to realize detecting a phase, b phase and the c phase in breaker of plastic casing three-phase circuit according to for meeting
Respective line electric current and ab is alternate, bc is alternate, the circuit of the purpose of the alternate respective three-phase current of ca need, that
This keeps spacing to be arranged on base plate；The deployment scenarios of described 7 copper bars being connected on base plate is: be wherein connected in described
Article the 1st of base plate both end sides the, 2, the right-hand member of copper bar respectively with in the secondary side copper bar of described big electric current rising current transformer
Bar copper bar is connected；One end of other 3rd, 4,5,6 articles of copper bars in 7 articles of described copper bars is the most tested with described
One of them biphase terminal that examination chopper passes in and out in line end a, b, c phase terminal up and down is connected；Described tested open circuit
Device pass in and out up and down in line end terminal a terminal of each remaining not connected phase respectively with the 7th in described 7 articles of copper bars
Article copper bar is connected with the left end of the described the 2nd article of copper bar；The middle part of described 3rd article of copper bar and described 6th article of copper bar not with
Gap between one end that described tested chopper turnover line end terminal is connected is to make the 1st in the cylinder of described 8
The crimped connection when action of described moving contact on the cylinder rod of cylinder, described 3rd article of copper bar not with described tested open circuit
Gap between the middle part of device one end of being connected of turnover line end terminal and described 5th article of copper bar is can to make in the cylinder of described 8
The 2nd cylinder cylinder rod on the crimped connection when action of described moving contact；Described 4th article of copper bar not with described quilt
One end of being connected of test chopper turnover line end terminal and described 5th article of copper bar not with described tested chopper line
Gap between one end of being connected of end terminal is can make on the cylinder rod of the 3rd cylinder in the cylinder of described 8 described dynamic
Contact is crimped connection when action；The left end of described 1st article of copper bar is tested with described with described 3rd, 4 articles of copper bars respectively
The gap that examination chopper turnover line end terminal is connected between one end and described 7th article of copper bar is can to make in the cylinder of described 8
The 4th, 5,6 cylinders cylinder rod on the crimped connection when action of described moving contact；A left side for described 2nd article of copper bar
Hold the gap being connected between one end with described tested chopper turnover line end terminal with described 5th, 6 articles of copper bars for institute can be made
Described moving contact crimped connection when action on the cylinder rod of the 7th, 8 cylinders in 8 cylinders stated；Each institute
The cylinder stated is respectively by a described electromagnetic valve control action, and the signal line of each described electromagnetic valve is received described in one
Relay on, each described relay circuit is received on described computer.
The present invention has the advantage that with good effect: the present invention is according to circuit diagram it needs to be determined that the quantity of copper bar, length,
Shape, position, use multiple cylinder and moving contact (moving contact is connected), a multiposition coordination (position with cylinder rod
Put moving contact to compress on copper bar with stretching of cylinder rod and lift, to control the on and off of this location circuit) to realize electricity
Road break-make, can automatically detect a phase in breaker of plastic casing three-phase circuit, b phase line respective with c phase electric current and
Ab is alternate, bc is alternate, the alternate respective three-phase current of ca, and can automatically switch in these several detections.Pneumatic element
Action is determined by electric signal, functionally instead of electromagnetic contactor, a moving contact corresponding to each cylinder and it across
Two copper bars constitute pneumatic contactors；Copper bar had both served as conductive track and had also functioned as catalyst parts, the quantity of copper bar and
Length is greatly reduced, and the space taken is substantially reduced；Thought general layout is novel, and operation principle is easily understood, it is not necessary to type selecting, only
The sectional area size of copper bar need to be determined according to size of current, greatly reduce cost；So, more current this of the present invention
Class test platform structure simplifies 80%.The pneumatic contactor that so multiposition is coordinated is applicable to the electric current circuit more than 1000A
Being electrified for a long time work, break-make speed is the most simultaneously.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of the present invention；
Fig. 2 is the copper bar wiring diagram of the present invention；
Fig. 3 is the structural representation between the cylinder of the present invention, moving contact and copper bar；
Fig. 4 is the partial enlarged view in the broken circle in Fig. 3；
Fig. 5 is the mounting structure schematic diagram of the sleeve pipe supporting location size air cylinder board.
Detailed description of the invention
For present disclosure, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing specifically
Bright as follows:
As shown in Fig. 1,2,3,5, eight cylinders 1 being fixed on size air cylinder board 2,8, wherein at little air cylinder board 2
On have three, big air cylinder board 8 has five；Size air cylinder board 2,8 supports locating sleeve 5 by 10 and is fixed on the end
On plate 4, wherein 4 are used for big air cylinder board 8 for little air cylinder board 2,6；Size air cylinder board 2,8 is in and is fixed on the end
The top of 7 copper bars 3,6,7,9,10,19,22 on plate 4.Soket head cap screw 11 passes the counterbore on base plate 4,
After the installing hole supported on locating sleeve 5 and 2 four angles of little air cylinder board, little air cylinder board 2 is fastened by set top nut 12
Navigate on base plate 4.Fix the fixing connected mode of the big air cylinder board 8 equipped with cylinder 1 and base plate 4 and little air cylinder board 2
Identical.
As in figure 2 it is shown, the right-hand member of copper bar 3,10 is coupled with on the secondary copper bar of rising current transformer；Six copper sheets are flexible coupling
Respectively from the back side of base plate 4 through square hole 21, with bolt, they are fixed on copper bar 6,7,9,10,19,22 respectively
(it is flexible coupling and the hole on copper bar is accomplished fluently) on the position of square hole 21, at the back side of base plate 4, be flexible coupling according to upper
Lower a, the consistent principle of b, c three-phase electricity is connected on the terminal for receiving the upper and lower opening surveying breaker of plastic casing respectively.
As shown in Figure 2,3, 4, cylinder 1 is fixed on little air cylinder board 2 by bolt 13；Epoxy plate 15 and cylinder rod 14
Sunk screw shown in by a dotted line connects fastening；Two sunk screws 16 are bottom-up through moving contact 17 with spring 18,
Screw in the screw thread of epoxy plate 15.One end of copper bar 6,7 and 9,19 the most each with tested breaker outgoing line end a, b,
A, b phase in c phase terminal is connected with c, b phase in a, b, c phase terminal of tested chopper end of incoming cables；Copper bar 6
One end of not being connected with tested chopper end of incoming cables b phase terminal with copper bar 19, middle part between gap for 8 gas can be made
Moving contact crimped connection when action on the cylinder rod of the 1st cylinder in cylinder；Copper bar 6 does not goes out with tested chopper
Gap between one end that line end a phase terminal is connected and the middle part of copper bar 9 is the gas that can make the 2nd cylinder in 8 cylinders
Moving contact in cylinder rod is crimped connection when action；Copper bar 7 is not connected with tested breaker outgoing line end terminal b phase
Gap between one end that one end is not connected with tested chopper end of incoming cables c phase terminal with copper bar 9 is for can make in 8 cylinders
The 3rd cylinder cylinder rod on moving contact crimped connection when action；The left end of copper bar 3 respectively with copper bar 6,7
The gap being connected between one end with tested breaker outgoing line end a, b phase terminal is to make the 4th, 5 gas in 8 cylinders
Moving contact on the cylinder rod of cylinder is crimped connection when action；The left end of copper bar 10 and copper bar 19,9 and tested open circuit
The gap that device end of incoming cables b, c phase terminal is connected between one end is can to make on the cylinder rod of the 7th, 8 cylinders in 8 cylinders
Moving contact crimped connection when action；Gap between copper bar 22 and copper bar 3 is to make the 6th gas in 8 cylinders
Moving contact on the cylinder rod of cylinder is crimped connection when action.
Each cylinder 1 is respectively by an electromagnetic valve control action, and the holding wire of each electromagnetic valve is coupled with a relay
On, each relay circuit is received on computer.
Claims (1)
1. a circuit breaker short circuit current testing platform, it includes computer, big electric current rising current transformer and connects tested
The terminal of chopper turnover line end, is characterized in that: also includes a multiposition and coordinates pneumatic contactor device；Described
Multiposition is coordinated pneumatic contactor device and is included assembling base plate, 7 copper bars, air cylinder board and 8 cylinders, 8 electromagnetism
Valve, 8 relays；7 described copper bars are fixed on described base plate the most isolator, 8 described cylinders
Be fixed on described air cylinder board, described each cylinder cylinder rod overhang insulation be fixed with moving contact；Described
Air cylinder board by support member across above described copper bar and be fixed on described base plate；The cloth of 7 described copper bars
The mode of putting is according to for meeting a phase, the b phase line respective with c phase that can realize detecting in breaker of plastic casing three-phase circuit
Electric current and ab is alternate, bc is alternate, the circuit of the purpose of the alternate respective three-phase current of ca need, keep spacing each other
It is arranged on base plate；The deployment scenarios of described 7 copper bars being connected on base plate is: be wherein connected in described base plate two ends
Article the 1st of side the, 2, the right-hand member of copper bar respectively with one article of copper bar phase in the secondary side copper bar of described big electric current rising current transformer
Connect；Each and described tested chopper is distinguished in one end of other 3rd, 4,5,6 articles of copper bars in 7 articles of described copper bars
One of them biphase terminal in turnover line end a, b, c phase terminal is connected up and down；Described tested chopper is upper and lower
In turnover line end terminal a terminal of each remaining not connected phase respectively with the 7th flat copper in described 7 articles of copper bars
Row is connected with the left end of the 2nd article of described copper bar；The middle part of described 3rd article of copper bar and described 6th article of copper bar not with institute
The gap stated between one end that tested chopper turnover line end terminal is connected is to make the 1st in the cylinder of described 8
The crimped connection when action of described moving contact on the cylinder rod of cylinder, described 3rd article of copper bar be not tested disconnected with described
Gap between one end that device turnover line end terminal in road is connected and the middle part of described 5th article of copper bar is to make described 8 gas
Described moving contact crimped connection when action on the cylinder rod of the 2nd cylinder in cylinder；Described 4th article of copper bar not with
One end of being connected of described tested chopper turnover line end terminal and described 5th article of copper bar not with described tested chopper
Gap between one end that turnover line end terminal is connected is can to make on the cylinder rod of the 3rd cylinder in the cylinder of described 8
The crimped connection when action of described moving contact；The left end of described 1st article of copper bar respectively with described 3rd, 4 articles of copper bars with
The described tested chopper turnover line end terminal gap that is connected between one end and described 7th article of copper bar be can make described
Described moving contact crimped connection when action on the cylinder rod of the 4th, 5,6 cylinders in 8 cylinders；Described 2nd
Between the left end of article copper bar and described 5th, 6 articles of copper bars are connected between one end with described tested chopper turnover line end terminal
Gap is crimped when action even by making the described moving contact on the cylinder rod of the 7th, 8 cylinders in the cylinder of described 8
Logical；Each described cylinder is respectively by a described electromagnetic valve control action, the signal line of each described electromagnetic valve
Receiving on a described relay, each described relay circuit is received on described computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316950.5A CN104090232B (en) | 2014-07-04 | 2014-07-04 | Circuit breaker short-circuit current test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316950.5A CN104090232B (en) | 2014-07-04 | 2014-07-04 | Circuit breaker short-circuit current test table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104090232A CN104090232A (en) | 2014-10-08 |
| CN104090232B true CN104090232B (en) | 2017-01-11 |
Family
ID=51637963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410316950.5A Active CN104090232B (en) | 2014-07-04 | 2014-07-04 | Circuit breaker short-circuit current test table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104090232B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04363677A (en) * | 1991-04-03 | 1992-12-16 | Mitsubishi Electric Corp | Synthetic test circuit for breaker |
| CN201259527Y (en) * | 2008-08-11 | 2009-06-17 | 天津市百利电气有限公司 | Current overload characteristic detection device for circuit breaker |
| CN201425595Y (en) * | 2009-05-25 | 2010-03-17 | 李永高 | Programme-controlled clamping device for molded case circuit breaker |
| CN202748451U (en) * | 2012-03-12 | 2013-02-20 | 李永高 | Miniature circuit breaker integrated test stand |
| CN203178439U (en) * | 2013-04-01 | 2013-09-04 | 常州世博电气有限公司 | Breaker experiment bench |
| CN203981843U (en) * | 2014-07-04 | 2014-12-03 | 天津市百利电气有限公司 | The moving verification testing table of wink of breaker of plastic casing |
-
2014
- 2014-07-04 CN CN201410316950.5A patent/CN104090232B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04363677A (en) * | 1991-04-03 | 1992-12-16 | Mitsubishi Electric Corp | Synthetic test circuit for breaker |
| CN201259527Y (en) * | 2008-08-11 | 2009-06-17 | 天津市百利电气有限公司 | Current overload characteristic detection device for circuit breaker |
| CN201425595Y (en) * | 2009-05-25 | 2010-03-17 | 李永高 | Programme-controlled clamping device for molded case circuit breaker |
| CN202748451U (en) * | 2012-03-12 | 2013-02-20 | 李永高 | Miniature circuit breaker integrated test stand |
| CN203178439U (en) * | 2013-04-01 | 2013-09-04 | 常州世博电气有限公司 | Breaker experiment bench |
| CN203981843U (en) * | 2014-07-04 | 2014-12-03 | 天津市百利电气有限公司 | The moving verification testing table of wink of breaker of plastic casing |
Non-Patent Citations (1)
| Title |
|---|
| 适用于多种智能型断路器特性检测试验台;宋秀荣;《低压电器》;20090315(第5期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104090232A (en) | 2014-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102331536B (en) | Fault electric arc controllable simulative generation device | |
| CN112858830A (en) | Insulation performance detection device for direct current contactor | |
| CN108828443B (en) | Intermediate relay calibration stand | |
| CN202562967U (en) | Rapid wiring device and testing system | |
| CN114089145B (en) | Movable multi-path thyristor long-term withstand voltage test equipment and test method | |
| CN110031756A (en) | A kind of method of D.C. contactor performance test conversion circuit and life test | |
| CN103424637A (en) | Rapid junction device and testing system | |
| CN2909280Y (en) | Safety property all-purpose tester | |
| CN203981843U (en) | The moving verification testing table of wink of breaker of plastic casing | |
| CN201751857U (en) | Tripping characteristic test device for molded case circuit breaker | |
| CN104090232B (en) | Circuit breaker short-circuit current test table | |
| CN101666857A (en) | Device for durability tests of automotive air-conditioning controller buttons | |
| CN104898053A (en) | Integrated device for large-scale low-voltage breaker high-current tests | |
| CN208270694U (en) | Integration type height pressing detecting device | |
| CN207183167U (en) | A kind of phase-selecting switch | |
| CN102332366B (en) | Combination device for testing large current aging and vacuum degree of a vacuum arc extinguish chamber | |
| CN106383278B (en) | Reconfigurable direct-current power grid simulation test system | |
| CN204740327U (en) | Integrated device of large -scale low -voltage circuit breaker cranking test | |
| CN115453339A (en) | Test bench convenient to high-low voltage switch cabinet dismouting and circular telegram | |
| CN211654719U (en) | AC contactor with operation indication | |
| CN205484750U (en) | Magnetic induction loop testing arrangement | |
| CN108562822B (en) | Detection clamp for resistance wire of switching capacitor contactor | |
| CN102385011A (en) | Automation test device | |
| CN102520287B (en) | Pneumatic multi-contact high-voltage heavy-current change-over switch | |
| CN105319403A (en) | Multi-station residual current test connection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |