CN206023201U - A kind of power cut off delay type vacuum starter - Google Patents
A kind of power cut off delay type vacuum starter Download PDFInfo
- Publication number
- CN206023201U CN206023201U CN201620980177.7U CN201620980177U CN206023201U CN 206023201 U CN206023201 U CN 206023201U CN 201620980177 U CN201620980177 U CN 201620980177U CN 206023201 U CN206023201 U CN 206023201U
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- power cut
- lines
- delay type
- time relay
- relay
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Abstract
The utility model discloses a kind of power cut off delay type vacuum starter, belongs to mine device for switching technological system field, the technical problems to be solved in the utility model is vacuum starter, in breaking current, causes vacuum starter cisco unity malfunction.Technical scheme is：Its structure includes vacuum starter, auxiliary reclay two, main contactor, the power cut off delay type time relay one, protector and the power cut off delay type time relay two; vacuum starter connects the power cut off delay type time relay two and protector respectively, and protector, the power cut off delay type time relay one, main contactor and auxiliary reclay two are sequentially connected in series；Auxiliary reclay one is provided with vacuum starter, and the power cut off delay type time relay two connects the lower end of one opened point of auxiliary reclay.
Description
Technical field
This utility model is related to mine device for switching technological system field, and specifically a kind of power cut off delay type vacuum is opened
Dynamic device.
Background technology
In bargh, through life-time service, vacuum starter finds that accident rate is high at present, often punctures JDB electronics guarantor
Shield device, is studied by analysis, and main cause is that vacuum contactor puts out orphan and can occur in breaking current that " cut-off overvoltage " is existing
As, i.e., in breaking current, as the arc-rupturing capacity of vacuum interrupter is very strong, cut off when arc current is not natural zero-crossing, and
Be zero to be suddenly dropped to from a certain value of electric current, occur high overvoltage therefrom, the safety of the voltage entail dangers to electrical equipment that dams
Operation.Then while main contactor disconnects, auxiliary reclay, the normally opened contact of main contactor are closed, the overvoltage wink of generation
Between absorbed by resistance-capacitance absorption device, and some is simultaneously touched by the auxiliary of auxiliary reclay, main contactor is normally closed
Point enters JDB protectors, causes JDB protectors to puncture, and vacuum starter cisco unity malfunction have impact on production.
The patent documentation of 203205350 U of Patent No. CN discloses a kind of delays time to control relay based on integrating device
Device, including supply unit and overrun control, the overrun control include the second integrating device, first resistor, second
Resistance, the second diode, the 3rd diode, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity and the 8th electric capacity, electrical switch and heat
Quick resistance, the first end of the first resistor respectively with the positive pole of the second diode, the first end of second resistance and described
The first end connection of the 5th electric capacity, the first end of first resistor negative pole respectively with second diode, second integrated
The power end connection of the reset terminal of device and second integrating device.But there is complex structure, wiring not in the technical scheme
Just, the shortcomings of high cost.
Utility model content
Technical assignment of the present utility model is to provide a kind of power cut off delay type vacuum starter, solves vacuum startup
, there is " cut-off overvoltage " phenomenon in breaking current in device, and the overvoltage of generation is absorbed by resistance-capacitance absorption device, moment
Some is entered in vacuum starter JDB protectors by the normally-closed contact of auxiliary reclay, main contactor simultaneously again, is caused
JDB protectors puncture, and cause the problem of vacuum starter cisco unity malfunction.
This utility model solves the technical scheme adopted by its technical problem：A kind of power cut off delay type vacuum starts dress
Put, including vacuum starter, auxiliary reclay two, main contactor, the power cut off delay type time relay one and protector, also include
The power cut off delay type time relay two, vacuum starter connect the power cut off delay type time relay two and protector respectively, protection
Device, the power cut off delay type time relay one, main contactor and auxiliary reclay two are sequentially connected in series；Arrange in vacuum starter
There are auxiliary reclay one, the power cut off delay type time relay two to connect the lower end of one opened point of auxiliary reclay.
Preferably, the power cut off delay type time relay two includes 1# lines, 8# lines, commutator, electric capacity one, electric capacity
2nd, resistance and miniature intermediate relay, commutator two ends connection 1# lines and 8# lines, commutator connect electric capacity one, electric capacity two respectively
And resistance, resistance and miniature intermediate relay be connected in series, commutator and electric capacity one, electric capacity two and resistance and miniature relay
Composition shunt circuit.
More preferably, the miniature intermediate relay adopts MY2N miniature intermediate relays.
More preferably, the input of the power cut off delay type time relay two is 1# lines and 8# lines, and 1# lines and 8# lines are disconnected
The control end of electric delay type time relay two.
Preferably, being provided with 4# lines, 5# lines and 6# lines in the power cut off delay type time relay two, 4# lines are public
End, 4# lines and 5# lines are a pair of normally-closed contacts, and 4# lines and 6# lines are a pair of normally opened contacts.
More preferably, the 4# lines of the power cut off delay type time relay two and the normally-closed contact of 5# lines are serially connected in 33# detections
On line, the protection to protector is realized.
Preferably, the protector adopts JDB-80 protectors.
Compared to the prior art power cut off delay type vacuum starter of the present utility model, has the advantages that：
1st, this utility model solves 80 vacuum starters of QBZ, occurs " cut-off overvoltage " in breaking current existing
As, the overvoltage of generation is absorbed by electric capacity, moment again some simultaneously by auxiliary reclay, main contactor normal
Closed contact is entered in 80 vacuum starter JDB protectors of QBZ, causes JDB protectors to puncture, and 80 vacuum starters of QBZ are not
The problem of energy normal work, prevents protector breakdown, affects the normal work of protector；
2nd, energy storage principle of this utility model using electric capacity, by by the normally-closed contact of the power cut off delay type time relay two
It is connected on 33# detection lines and connects 80 vacuum starters of QBZ, the overvoltage moment produced in disjunction enters JDB protections
Device, is allowed to possess power-off time delay function, improves safety, the reliability of the operation of JDB protection devices；
3rd, two deft design of the power cut off delay time relay of the present utility model, small volume are easy for installation, and circuit is simple,
Original paper is few, and reliable operation, principle are understandable, easy to maintenance；Compare with the existing power cut off delay type time relay, using the storage of electric capacity
Can principle, when two non-transformer of DSJ power cut off delay types relay is input into, open the characteristics of electric capacity one and electric capacity two are using capacitor charge and discharge
Begin to discharge, internal MY2NJ miniature intermediate relays coil continues to obtain voltage, continues to attracting state；When electric capacity one and electricity
After appearance two discharges voltage completely, internal MY2NJ miniature intermediate relays normally opened contact closure, so as to play time-lag action,
80 vacuum starters of QBZ are prevented, the overvoltage moment produced in disjunction enters JDB protectors, causes JDB protectors to hit
Phenomenon is worn, JDB protector service lifes is extended, is reduced maintenance cost, it is ensured that safety in production.
Therefore this utility model has reasonable in design, simple structure, easy to process, small volume, easy to use, one-object-many-purposes etc.
Feature, thus, have good value for applications.
Description of the drawings
Below in conjunction with the accompanying drawings this utility model is further illustrated.
Wiring schematic diagram of the accompanying drawing 1 for power cut off delay type vacuum starter；
Accompanying drawing 2 is the structural representation of power-off delay type time relay two in accompanying drawing 1；
Accompanying drawing 3 is the schematic diagram of power-off delay type time relay two in accompanying drawing 1；
Accompanying drawing 4 is the overvoltage schematic diagram produced when main contactor disconnects.
In figure：1st, vacuum starter, 2, auxiliary reclay two, 3, main contactor, 4, the power cut off delay type time relay one,
5th, protector, 6, the power cut off delay type time relay two, 7, auxiliary reclay one, 8, commutator, 9, electric capacity one, 10, electric capacity two,
11st, resistance, 12, miniature intermediate relay.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, power cut off delay type vacuum starter of the present utility model, its structure include vacuum starter 1
（QBZ-80）, auxiliary reclay 22（ZJ-2）, main contactor 3（CKJ-2）, the power cut off delay type time relay 1（DSJ-1）、
Protector 5（JBD-80）With the power cut off delay type time relay 26（DSJ-2）, vacuum starter 1 connects power cut off delay type respectively
The time relay 22 and protector 5, protector 5, the power cut off delay type time relay one 4, main contactor 3 and auxiliary reclay
22 are sequentially connected in series；Auxiliary reclay 1 is provided with vacuum starter 1（ZJ-1）, the power cut off delay type time relay two
The lower end of 6 connection one 7 opened points of auxiliary reclay.Protector 5 adopts JDB-80 protectors.
As shown in Figures 2 and 3, the power cut off delay type time relay 26 include 1# lines, 8# lines, commutator 8, electric capacity 1,
Electric capacity 2 10, resistance 11 and miniature intermediate relay 12（MY2NJ）, 8 two ends of commutator connect 1# lines and 8# lines, 8 points of commutator
Lian Jie not electric capacity 1（C1）, electric capacity 2 10（C2）With resistance 11（R）, resistance 11 and miniature intermediate relay 12 are connected in series, whole
Stream device 8 and electric capacity 1,2 10 1 resistance 11 of electric capacity and miniature intermediate relay 12 composition parallel circuit.Miniature intermediate relay
12 adopt MY2N miniature intermediate relays.The input of the power cut off delay type time relay 26 is 1# lines and 8# lines, 1# lines and 8#
Control end of the line for the power cut off delay type time relay 26.4# lines, 5# lines are provided with the power cut off delay type time relay 26
With 6# lines, 4# lines are common port, and 4# lines and 5# lines are a pair of normally-closed contacts, and 4# lines and 6# lines are a pair of normally opened contacts.Power-off is prolonged
When the 4# lines of the type time relay 26 and the normally-closed contact of 5# lines be serially connected in 33# detection lines, realize the protection to protector.
26 surface structure of the DSJ type power cut off delay types time relay is as the ST3PF power cut off delay time relays, sharp
Use existing shell, inside wiring board and following several original papers to be made, be fixed on PF083A-E relay bases
On 80 vacuum starters of QBZ, 1 insulation board.Wherein, the size of electric capacity 1 and electric capacity 2 10 be 470uf250V, the resistance of resistance 11
It is worth for 1500 Ω, MY2NJ miniature intermediate relays 12 are opened one using Omron DC24V mono- and closed.
According to Xuzhou Coal Mine Machinery Factory production 80 vacuum starters 1 of QBZ as a example by, the DSJ type power cut off delay type times after
Electrical equipment 26 is as follows in QBZ 80 vacuum starter, 1 wiring：26 pull-in winding 1# lines of the DSJ power cut off delay types time relay connect
On 80 vacuum starters of QBZ, 1 9# lines, it is normal that 8# lines are connected on QBZ 80 vacuum starter, 1 auxiliary reclay, one 7 ZJ-1
The lower end for prescribing.Power cut off delay closure the contact 4# and 5# of the DSJ power cut off delay types time relay 26, is serially connected in 33#
In detection line.
Specific works mode：80 vacuum starters 1 of QBZ close HGK disconnecting switch, 660/36V transformators output 36V electricity
Pressure, JDB protectors 5 are detected to equipment, and after determining that equipment is normal, 5 internal relay action normally opened contact of JDB protectors is closed
Close, be that path preparation is carried out in the startup of 80 vacuum starters of QBZ 1.Press one 7 coil of start button auxiliary reclay and obtain electric suction
Close, the normally opened contact ZJ-1 closures of auxiliary reclay 1, the power cut off delay type time relay 26 obtain electric adhesive, one 8 He of electric capacity
Electric capacity 29 charges, 26 action of the power cut off delay type time relay, middle relay of the string in 5 33# detection lines of JDB protectors
Device 22, main contactor 3, one 4 normally closed point of the power cut off delay type time relay are normally opened, while 3 coil of main contactor obtains electric adhesive,
80 vacuum starters 1 of QBZ start, and equipment runs well.Auxiliary reclay 22,3 line of main contactor when stop button is pressed
Circle dead electricity switch stops, and vacuum contactor 1 disconnects, when the normally opened contact of one 7 ZJ-1 of auxiliary reclay disconnects, at this moment power-off
The characteristics of input of 26 non-transformer of delay type time relay, electric capacity 1 and electric capacity 29 are using capacitor charge and discharge starts to discharge, and breaks
26 coil of electric delay type time relay continues to obtain voltage, continues to attracting state, and the normally closed point of power cut off delay is all the time disconnected
Do not close under 26 attracting state of electric delay type time relay, string power cut off delay type time relay 26 in 33# detection lines
Normally closed point do not close, now electric capacity works on, and main contactor 3, when stopping, the overvoltage that producing is sponged.Work as electric capacity
One 8 and after electric capacity 29 discharges voltage completely, the power cut off delay type time relay 26 discharges, power cut off delay type time relay
The power cut off delay of 26 line of device is normally closed to put closure, so as to play a protective role to JDB protectors 5.
By specific embodiment above, the those skilled in the art can readily realize this utility model.But
It is it should be appreciated that this utility model is not limited to above-mentioned specific embodiment.On the basis of disclosed embodiment, described
Those skilled in the art can the different technical characteristic of combination in any, so as to realize different technical schemes.
Claims (7)
1. a kind of power cut off delay type vacuum starter, prolongs including vacuum starter, auxiliary reclay two, main contactor, power-off
When the type time relay one and protector, it is characterised in that：Also include the power cut off delay type time relay two, vacuum starter point
Not Lian Jie the power cut off delay type time relay two and protector, protector, the power cut off delay type time relay one, main contactor and
Auxiliary reclay two is sequentially connected in series；Auxiliary reclay one, the power cut off delay type time relay is provided with vacuum starter
The lower end of two connection one opened points of auxiliary reclay.
2. power cut off delay type vacuum starter according to claim 1, it is characterised in that：The power cut off delay type time
Relay two includes that 1# lines, 8# lines, commutator, electric capacity one, electric capacity two, resistance and miniature intermediate relay, commutator two ends connect
1# lines and 8# lines is connect, commutator connects electric capacity one, electric capacity two and resistance respectively, and resistance and miniature intermediate relay are connected in series,
Commutator and electric capacity one, electric capacity two and resistance and miniature relay composition shunt circuit.
3. power cut off delay type vacuum starter according to claim 2, it is characterised in that:The miniature intermediate relay
Using MY2N miniature intermediate relays.
4. power cut off delay type vacuum starter according to claim 2, it is characterised in that：The power cut off delay type time
The input of relay two is 1# lines and 8# lines, 1# lines and the control end that 8# lines are the power cut off delay type time relay two.
5. power cut off delay type vacuum starter according to claim 1 and 2, it is characterised in that：The power cut off delay type
It is provided with 4# lines, 5# lines and 6# lines in the time relay two, 4# lines are common port, 4# lines and 5# lines are a pair of normally-closed contacts, 4#
Line and 6# lines are a pair of normally opened contacts.
6. power cut off delay type vacuum starter according to claim 5, it is characterised in that：The power cut off delay type time
The normally-closed contact of the 4# lines and 5# lines of relay two is serially connected in 33# detection lines.
7. power cut off delay type vacuum starter according to claim 1, it is characterised in that：The protector adopts JDB-
80 protectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620980177.7U CN206023201U (en) | 2016-08-30 | 2016-08-30 | A kind of power cut off delay type vacuum starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620980177.7U CN206023201U (en) | 2016-08-30 | 2016-08-30 | A kind of power cut off delay type vacuum starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023201U true CN206023201U (en) | 2017-03-15 |
Family
ID=58253526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620980177.7U Expired - Fee Related CN206023201U (en) | 2016-08-30 | 2016-08-30 | A kind of power cut off delay type vacuum starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159931A (en) * | 2016-08-30 | 2016-11-23 | 山东金阳矿业集团有限公司 | A kind of power cut off delay type vacuum starter |
| CN108571461A (en) * | 2018-05-31 | 2018-09-25 | 河南森源电气股份有限公司 | Fan controller, blower fan system and frequency convertor system |
-
2016
- 2016-08-30 CN CN201620980177.7U patent/CN206023201U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159931A (en) * | 2016-08-30 | 2016-11-23 | 山东金阳矿业集团有限公司 | A kind of power cut off delay type vacuum starter |
| CN108571461A (en) * | 2018-05-31 | 2018-09-25 | 河南森源电气股份有限公司 | Fan controller, blower fan system and frequency convertor system |
| CN108571461B (en) * | 2018-05-31 | 2023-11-21 | 河南森源电气股份有限公司 | Fan control device, fan system and frequency converter system |
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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 |
Granted publication date: 20170315 Termination date: 20180830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |