CN209434862U - A kind of relay protection and control circuit of high-pressure vacuum contactor - Google Patents
A kind of relay protection and control circuit of high-pressure vacuum contactor Download PDFInfo
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- CN209434862U CN209434862U CN201920043381.XU CN201920043381U CN209434862U CN 209434862 U CN209434862 U CN 209434862U CN 201920043381 U CN201920043381 U CN 201920043381U CN 209434862 U CN209434862 U CN 209434862U
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- relay protection
- pressure vacuum
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Abstract
The utility model discloses a kind of relay protection and control circuits of high-pressure vacuum contactor; including divide-shut brake module and relay protection module; the divide-shut brake module includes closing relay KA1 and separating brake relay KA2; the relay protection module is matched with divide-shut brake module; realize the relay protection of high-pressure vacuum contactor; it further include resistance R1 and resistance R2, the coils from parallel connection of coils of the resistance R1 and the closing relay KA1, the coils from parallel connection of coils of the resistance R2 and the separating brake relay KA2；The current value that sub-gate circuit and closing circuit are improved by parallel resistance enables the electric current of relay protection module in working range, so that relay protection module can work normally.
Description
Technical field
The utility model relates to contactor field, the relay protection and control circuit of especially a kind of high-pressure vacuum contactor.
Background technique
High-pressure vacuum contactor is the primary switchgear of control and protection high-tension electricity equipment, little for load capacity
But it is required that the occasion of frequent operation, high-pressure vacuum contactor itself do not have anti-bouncing function, needs to match with protective relaying device
The characteristics of closing, but being designed due to high-pressure vacuum contactor electric control loop itself is cooperating traditional protective relaying device
Shi Changchang does not accomplish to protect well.
The operating current of relay protection module is usually 0.5-5A, and the resistance value of high-pressure vacuum contactor divide-shut brake relay
It is larger, if the electric current of sub-gate circuit, closing circuit is not within this range, relay protection module cisco unity malfunction.
Utility model content
The utility model provides a kind of relay protection and control circuit of high-pressure vacuum contactor, to solve sub-gate circuit, close
The too small anti-jump loop caused inside relay protection module of lock loop current, jump/coincidence monitoring circuit divide/close a floodgate holding circuit
The problem of cisco unity malfunction.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of relay of high-pressure vacuum contactor is protected
Protect control circuit, comprising:
Divide-shut brake module, the divide-shut brake module include closing circuit, sub-gate circuit, closing coil circuit, opening coil
The coil in circuit, closing relay KA1 and separating brake relay KA2, the closing relay KA1 is arranged on closing circuit,
The normally opened contact setting of closing relay KA1 is returned in closing coil circuit, the coil setting of the separating brake relay KA2 in separating brake
On the road, the normally opened contact of the separating brake relay KA2 is arranged on opening coil circuit；
Relay protection module, the relay protection module, the relay protection module respectively with one end of external power supply, institute
State the head end connection of the head end and the sub-gate circuit of closing circuit, the head end and closing coil in the opening coil circuit
The head end in circuit is connect with one end of external power supply, and the tail end of the closing circuit, the tail end of sub-gate circuit, closing coil return
The tail end on road and the tail end in opening coil circuit are connect with the other end of external power supply；
It further include resistance R1 and resistance R2, the coils from parallel connection of coils of the resistance R1 and the closing relay KA1, the resistance
The coils from parallel connection of coils of R2 and the separating brake relay KA2.
The relay protection module further includes anti-jump loop, closing a floodgate keeps circuit, jumps position monitoring circuit, separating brake holding circuit
And coincidence monitoring circuit；
The combined floodgate keeps circuit and jumps position monitoring circuit the first parallel circuit of formation, the head end of first parallel circuit
It is connect with one end of external power supply, the tail end of first parallel circuit and the head end of closing circuit connect；
The separating brake keeps circuit and coincidence monitoring circuit to form the second parallel circuit, the head end of second parallel circuit
It is connect with the head end of the first parallel circuit, the tail end of second parallel circuit and the head end of sub-gate circuit connect；
The head end of the anti-jump loop with and lock keep circuit to connect, the tail end of the anti-jump loop and external power supply it is another
One end connection.
The relay protection module further includes switch knob HA and opening button TA, one end of the switch knob HA and outer
One end of portion's power supply connects, and the other end of switch knob HA is connect with holding circuit of closing a floodgate；One end of the opening button TA with
One end of external power supply connects, and the other end of opening button TA keeps circuit to connect with separating brake.
A kind of relay protection and control circuit of the high-pressure vacuum contactor further include be arranged in it is normally closed in closing circuit
Auxiliary switch and the normally opened auxiliary switch being arranged in sub-gate circuit, the normally closed auxiliary switch and high-pressure vacuum contactor
Opening and closing state is on the contrary, the normally opened auxiliary switch is identical as the opening and closing state of high-pressure vacuum contactor.
A kind of relay protection and control circuit of high-pressure vacuum contactor further includes fuse S002, the fuse
S002 normally-closed contact is connected with the closing circuit, and one end of the fuse S002 normally opened contact and one end of external power supply connect
It connects, the other end of fuse S002 normally opened contact is connect with the sub-gate circuit.
A kind of relay protection and control circuit of high-pressure vacuum contactor further includes closing frequencies counter JS, the conjunction
Lock number counter S is in parallel with the closing coil circuit.
A kind of relay protection and control circuit of high-pressure vacuum contactor further includes trip protection pressing plate LP1, the guarantor
One end of shield trip pressing plate LP1 is connect with primary circuit, and the other end is connect with the sub-gate circuit.
The beneficial effects of the utility model are: the technical program is high-pressure vacuum contactor and relay protection module cooperation
Control circuit passes through parallel connection one respectively on the separating brake relay KA1 coil and closing relay KA2 coil of high-pressure vacuum contactor
A resistance improves the electric current of sub-gate circuit and closing circuit, so that relay protection module electric current is in current margin,
So that anti-jump loop, jump position monitoring circuit, coincidence monitoring circuit, the combined floodgate inside relay protection module keep circuit and separating brake to protect
Holding circuit can work normally.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the integrated circuit figure of the utility model；
Fig. 2 is the circuit diagram of the utility model relay protection module；
Fig. 3 is the circuit diagram of the utility model divide-shut brake module.
Specific embodiment
Referring to Fig.1~Fig. 3, the utility model are a kind of relay protection and control circuits of high-pressure vacuum contactor, comprising:
Divide-shut brake module 1, the divide-shut brake module 1 include closing circuit 11, sub-gate circuit 12, closing coil circuit 13,
The coil setting in opening coil circuit 14, closing relay KA1 and separating brake relay KA2, the closing relay KA1 is being closed
On lock circuit 11, the normally opened contact of closing relay KA1 is arranged in closing coil circuit 13, the line of the separating brake relay KA2
Circle is arranged on sub-gate circuit 12, and the normally opened contact of the separating brake relay KA2 is arranged on opening coil circuit 14；
The coil of the closing relay KA1 obtain it is electric after attract closing relay KA1 normally opened contact closure, enable high pressure true
The closing coil HC of empty contactor obtains electric, high-pressure vacuum contactor realization combined floodgate；The coil of the separating brake relay KA2 obtain it is electric after
The normally opened contact closure for attracting separating brake relay KA2, enables the opening coil TC of high-pressure vacuum contactor obtain electric, high pressure vacuum contact
Device realizes separating brake.
Relay protection module 2, the relay protection module 2, the relay protection module 2 respectively with external power supply one
The head end connection at end, the head end of the closing circuit 11 and the sub-gate circuit 12, the head end in the opening coil circuit 14
And the head end in closing coil circuit 13 is connect with one end of external power supply, tail end, the sub-gate circuit of the closing circuit 11
The tail end of 12 tail end, the tail end in closing coil circuit 13 and opening coil circuit 14 connects with the other end of external power supply
It connects；
Since high-pressure vacuum contactor itself is without relay protection function, it is therefore desirable to external relay protection module 2
The relay protection to realize high-pressure vacuum contactor is matched, guarantees the safety in use process.
It further include resistance R1 and resistance R2, the coils from parallel connection of coils of the resistance R1 and the closing relay KA1, the resistance
The coils from parallel connection of coils of R2 and the separating brake relay KA2.
The resistance value of the closing relay KA1 and separating brake relay KA2 of the high-pressure vacuum contactor are larger, cause high pressure true
The closing circuit 11 and 12 electric current of sub-gate circuit of empty contactor are smaller, are easy when being used cooperatively with relay protection module 2
The case where existing relay protection module 2 is failure to actuate, therefore on the coil of the coil of closing relay KA1 and separating brake relay KA2
It is each and connect a resistance and allowed matched so as to improve the electric current of high-pressure vacuum contactor closing circuit 11 and sub-gate circuit 12
The electric current of relay protection module 2 can fall in the current margin of relay protection module 2.
The relay protection module 2 further includes anti-jump loop 21, closing a floodgate keeps circuit 22, jumps position monitoring circuit 23, separating brake
Keep circuit 24 and coincidence monitoring circuit 25；
The combined floodgate keeps circuit 22 and jumps the first parallel circuit of formation of position monitoring circuit 23, first parallel circuit
The connection of one end of head end and external power supply, the tail end of first parallel circuit are connect with the head end of closing circuit 11；
The separating brake keeps circuit 24 and coincidence monitoring circuit 25 to form the second parallel circuit, second parallel circuit
Head end is connect with the head end of the first parallel circuit, and the tail end of second parallel circuit is connect with the head end of sub-gate circuit 12；
The head end of the anti-jump loop 21 is connect with holding circuit 22 of closing a floodgate, the tail end and external electrical of the anti-jump loop 21
The other end in source connects.
The relay protection module 2 further includes switch knob HA and opening button TA, one end of the switch knob HA with
One end of external power supply connects, and the other end of switch knob HA is connect with holding circuit 22 of closing a floodgate；The one of the opening button TA
End is connect with one end of external power supply, and the other end of opening button TA keeps circuit 24 to connect with separating brake.
The switch knob HA can be realized the closing by hand of high-pressure vacuum contactor, and the opening button TA can be realized
The manual brake separating of high-pressure vacuum contactor.
A kind of relay protection and control circuit of the high-pressure vacuum contactor further include be arranged in it is normal in closing circuit 11
The normally opened auxiliary switch 3 for closing auxiliary switch 4 and being arranged in sub-gate circuit 12, the normally closed auxiliary switch 4 and high pressure vacuum
The opening and closing state of contactor is on the contrary, the normally opened auxiliary switch 3 is identical as the opening and closing state of high-pressure vacuum contactor.
When high-pressure vacuum contactor is in "on" position, the normally closed auxiliary switch 4 is opened, and normally opened auxiliary switch 3
It closes, closing circuit 11 is in an off state, and sub-gate circuit 12 is in on-state, can pass through opening button at this time
TA carrys out separating brake high-pressure vacuum contactor；When high-pressure vacuum contactor is in gate-dividing state, the normally closed auxiliary switch 4 is closed,
And normally opened auxiliary switch is similarly in off-state, then closing circuit 11 is in on-state, and sub-gate circuit 12 is in disconnected
Open state, at this time can be by switch knob HA come the high-pressure vacuum contactor that closes a floodgate.
A kind of relay protection and control circuit of high-pressure vacuum contactor further includes fuse S002, the fuse
S002 normally-closed contact 5 is connected with the closing circuit 11, and the one of one end of the fuse S002 normally opened contact 6 and external power supply
End connection, the other end of fuse S002 normally opened contact 6 are connect with the sub-gate circuit 12.
When the state of fuse S002 is intact, the fuse S002 normally-closed contact 5 is in closed state, and
Fuse S002 normally opened contact 6 is in an off state, and presses switch knob HA at this time, and high-pressure vacuum contactor just can be carried out combined floodgate
Operation；When fuse S002 fusing, the fuse S002 normally-closed contact 5 is disconnected, and fuse S002 normally opened contact 6
Closure, directly connection sub-gate circuit 12, enable high-pressure vacuum contactor separating brake, guarantee circuit safety.
A kind of relay protection and control circuit of high-pressure vacuum contactor further includes closing frequencies counter JS, the conjunction
Lock number counter S is in parallel with the closing coil circuit 13.
The closing frequencies counter JS is used to detect the energization number of high-pressure vacuum contactor closing coil, and to its into
Row counts, and can monitor the action frequency of high-pressure vacuum contactor, the service life of high-pressure vacuum contactor is assessed with this.
A kind of relay protection and control circuit of high-pressure vacuum contactor further includes trip protection pressing plate LP1, the guarantor
One end of shield trip pressing plate LP1 is connect with primary circuit, and the other end is connect with the sub-gate circuit 12.
When the primary circuit that the trip protection pressing plate LP1 is used to be connect with high-pressure vacuum contactor is broken down
The trip protection of high-pressure vacuum contactor connects high pressure by trip protection pressing plate LP1 when primary circuit is broken down
The sub-gate circuit 12 of vacuum contactor, high-pressure vacuum contactor are acted in separating brake.
Above-described embodiment is the preferred embodiment of the utility model, and the utility model can also have other embodiments.Ability
The technical staff in domain can also make equivalent deformation or replacement without departing from the spirit of the present invention, these equivalent changes
Type or replacement are all contained in range set by the claim of this application.
Claims (7)
1. a kind of relay protection and control circuit of high-pressure vacuum contactor, comprising:
Divide-shut brake module (1), the divide-shut brake module (1) include closing circuit (11), sub-gate circuit (12), closing coil circuit
(13), opening coil circuit (14), closing relay KA1 and separating brake relay KA2, the coil of the closing relay KA1
Be arranged on closing circuit (11), the setting of the normally opened contact of closing relay KA1 in closing coil circuit (13), the separating brake after
The coil of electric appliance KA2 is arranged on sub-gate circuit (12), and the normally opened contact setting of the separating brake relay KA2 is returned in opening coil
On road (14)；
Relay protection module (2), the relay protection module (2) respectively with one end of external power supply, the closing circuit (11)
Head end and the sub-gate circuit (12) head end connection, the head end and closing coil of the opening coil circuit (14) return
The head end on road (13) is connect with one end of external power supply, the tail end of the closing circuit (11), sub-gate circuit (12) tail end,
The tail end in closing coil circuit (13) and the tail end of opening coil circuit (14) are connect with the other end of external power supply；
It is characterized by also including resistance R1 and resistance R2, the coils from parallel connection of coils of the resistance R1 and the closing relay KA1,
The coils from parallel connection of coils of the resistance R2 and the separating brake relay KA2.
2. a kind of relay protection and control circuit of high-pressure vacuum contactor according to claim 1, it is characterised in that: described
Relay protection module (2) further includes anti-jump loop (21), closing a floodgate keeps circuit (22), jumps position monitoring circuit (23), separating brake holding
Circuit (24) and coincidence monitoring circuit (25)；
The combined floodgate keeps circuit (22) and jumps the first parallel circuit of position monitoring circuit (23) formation, first parallel circuit
The connection of one end of head end and external power supply, the tail end of first parallel circuit are connect with the head end of closing circuit (11)；
The separating brake keeps circuit (24) and coincidence monitoring circuit (25) to form the second parallel circuit, second parallel circuit
Head end is connect with the head end of the first parallel circuit, and the tail end of second parallel circuit is connect with the head end of sub-gate circuit (12)；
The head end of the anti-jump loop (21) is connect with holding circuit (22) of closing a floodgate, the tail end of the anti-jump loop (21) and outside
The other end of power supply connects.
3. a kind of relay protection and control circuit of high-pressure vacuum contactor according to claim 2, it is characterised in that: described
Relay protection module (2) further includes one end and the external power supply of switch knob HA and opening button TA, the switch knob HA
One end connection, the other end of switch knob HA are connect with holding circuit (22) of closing a floodgate；One end and outside of the opening button TA
One end of power supply connects, and the other end of opening button TA keeps circuit (24) to connect with separating brake.
4. a kind of relay protection and control circuit of high-pressure vacuum contactor according to claim 1, it is characterised in that: also wrap
Setting is included in the normally closed auxiliary switch (4) in closing circuit (11) and the normally opened auxiliary switch being arranged in sub-gate circuit (12)
(3), the normally closed auxiliary switch (4) and high-pressure vacuum contactor opening and closing state on the contrary, the normally opened auxiliary switch (3) with
The opening and closing state of high-pressure vacuum contactor is identical.
5. a kind of relay protection and control circuit of high-pressure vacuum contactor according to claim 1, it is characterised in that: also wrap
Fuse S002 is included, the fuse S002 normally-closed contact (5) is connected with the closing circuit (11), and the fuse S002 is normal
One end of one end and external power supply for opening contact (6) connects, and the other end and the separating brake of fuse S002 normally opened contact (6) return
Road (12) connection.
6. a kind of relay protection and control circuit of high-pressure vacuum contactor according to claim 1, it is characterised in that: also wrap
Closing frequencies counter JS is included, the closing frequencies counter S is in parallel with closing coil circuit (13).
7. a kind of relay protection and control circuit of high-pressure vacuum contactor according to claim 1, it is characterised in that: also wrap
Trip protection pressing plate LP1 is included, one end of the trip protection pressing plate LP1 is connect with primary circuit, and the other end and the separating brake return
Road (12) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043381.XU CN209434862U (en) | 2019-01-10 | 2019-01-10 | A kind of relay protection and control circuit of high-pressure vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920043381.XU CN209434862U (en) | 2019-01-10 | 2019-01-10 | A kind of relay protection and control circuit of high-pressure vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434862U true CN209434862U (en) | 2019-09-24 |
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ID=67976076
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920043381.XU Active CN209434862U (en) | 2019-01-10 | 2019-01-10 | A kind of relay protection and control circuit of high-pressure vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209434862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687385A (en) * | 2019-01-10 | 2019-04-26 | 中山市明阳电器有限公司 | A kind of control circuit of relay protection and high-pressure vacuum contactor cooperation |
-
2019
- 2019-01-10 CN CN201920043381.XU patent/CN209434862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687385A (en) * | 2019-01-10 | 2019-04-26 | 中山市明阳电器有限公司 | A kind of control circuit of relay protection and high-pressure vacuum contactor cooperation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201218 Address after: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee after: Guangdong Mingyang Electric Co.,Ltd. Address before: 528437 office building, No.25 Jiangling West Road, Torch Development Zone, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN MINGYANG ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |