CN208522259U - A kind of electrical cabinet and its interlocking control device - Google Patents
A kind of electrical cabinet and its interlocking control device Download PDFInfo
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- CN208522259U CN208522259U CN201821240152.9U CN201821240152U CN208522259U CN 208522259 U CN208522259 U CN 208522259U CN 201821240152 U CN201821240152 U CN 201821240152U CN 208522259 U CN208522259 U CN 208522259U
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- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000006698 induction Effects 0.000 claims abstract description 10
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- 230000000903 blocking effect Effects 0.000 description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
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- 230000008878 coupling Effects 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
It includes locking controller, electromagnetic lock and earthing knife-switch latch that the utility model, which provides a kind of electrical cabinet and its interlocking control device, interlocking control device,；There are three voltage detection units for locking controller connection, and connect the control section of electromagnetic lock and earthing knife-switch latch；Each voltage detection unit sets the voltage for being respectively used to detection A, B, C three-phase line；The voltage detection unit is induction type voltage probe, and each voltage detection unit is greater than safe distance at a distance from its detected route.Technical solution provided by the utility model, since induction type voltage probe can detect route other than safe distance, will not be damaged using the voltage in induction type voltage probe detection route because of the high pressure for bearing route.
Description
Technical field
The utility model belongs to electrical cabinet lock-in control technical field, and in particular to a kind of electrical cabinet and its lock-in control dress
It sets.
Background technique
Electric system at present is generally provided with many high-low pressure electrical cabinets, and in order to prevent to the maloperation of electrical cabinet,
Electric blocking equipment is typically provided in electrical cabinet.
Electric blocking is that the auxiliary contact access of the equipment such as breaker, disconnecting switch, grounding switch in electrical cabinet is related
In the locking that the operation circuit of electrical equipment is constituted.Electric blocking has been widely applied in electrically operated equipment at present,
Its advantage is that not needing to be aided with other operations in electrical operating process, locking is reliable.The main function of electric blocking have with
Lower item:
1, prevent breaker from tripping or malfunction occur；
2, prevent disconnecting switch on-load from acting；
3, grounding switch or earth strap electrical ground are prevented；
4, close circuit breaker or disconnecting switch when preventing grounding switch to be closed；
5, personnel's mistakenly entering into charged compartment is prevented.
Application publication number is that the patent of CN103269034A discloses a kind of intelligent online anti-error protection system, using intelligence
Controller connects high-voltage sensor, cabinet door latch, handcart latch, earthing knife-switch latch and display, intelligent controller
It detects whether route is in high pressure electricity condition by high-voltage sensor, and corresponding information is shown by display；Such as
Fruit route is in high pressure electricity condition, then controls cabinet door latch and the locking of earthing knife-switch latch, prevents grounding switch ground connection and personnel
It is strayed into, improves the security performance of power supply system.
But in technical solution provided by above-mentioned patent, detecting sensor used in route is high-voltage sensor,
Need to bear the high pressure of route when detecting the voltage in route, therefore selected voltage sensor not only higher cost, and
And it is easy to be damaged due to needing to bear high pressure during use.
Utility model content
The purpose of this utility model is to provide a kind of electrical cabinet and its interlocking control devices, for solving in the prior art
Impaired problem is easy since voltage sensor used needs to bear high pressure when detecting high-tension line.
To achieve the above object, technical solution provided by the utility model is:
A kind of electrical cabinet, including A, B, C three-phase line and interlocking control device；The interlocking control device includes locking control
Device, electromagnetic lock and earthing knife-switch latch processed；Locking controller connection connects electromagnetic lock and earthing knife-switch is closed there are three voltage detection unit
Lock the control section of device；Each voltage detection unit is respectively used to the voltage of detection A, B, C three-phase line；
The voltage detection unit is induction type voltage probe, and each voltage detection unit is big at a distance from its detected route
In safe distance.
Technical solution provided by the utility model, using the voltage in induction type voltage probe detection route, due to sense
The formula voltage probe of answering can detect route other than safe distance, thus will not because of bear route high pressure and by
Damage.
As the further improvement to electrical cabinet, in order to show whether each phase line is in electriferous state, the locking
Controller is also connected with there are three indicator light, and each indicator light is corresponding with A, B, C triple line respectively, for show each phase line whether band
Electricity.
As the further improvement to connection relationship between locking controller and electromagnetic lock and disconnecting link latch, the electromagnetism
Lock and earthing knife-switch latch are in parallel, are provided with controllable switch, the lock-in control in the power supply line of electromagnetic lock and ground knife-like switch
Device connects the control terminal of the controllable switch.
As the further improvement to voltage detection unit, the electricity of the model AB-CG series of the voltage detection unit
Pressure sensor.
A kind of interlocking control device, including locking controller, electromagnetic lock and earthing knife-switch latch；Locking controller is connected with three
A voltage detection unit, and connect the control section of the electromagnetic lock and earthing knife-switch latch；Each voltage detection unit is respectively used to
Detect the voltage of corresponding route to be measured；
Each voltage detection unit is induction type voltage probe, be respectively used to be arranged in the safety of corresponding route to be detected away from
From in addition.
As the further improvement to electrical cabinet, the locking controller is also connected with there are three indicator light, for corresponding aobvious
Show whether each voltage detection unit route detected charges.
As the further improvement to connection relationship between locking controller and electromagnetic lock and disconnecting link latch, the electromagnetism
Lock and earthing knife-switch latch are in parallel, are provided with controllable switch, the lock-in control in the power supply line of electromagnetic lock and ground knife-like switch
Device connects the control terminal of the controllable switch.
As the further improvement to voltage detection unit, the electricity of the model AB-CG series of the voltage detection unit
Pressure sensor.
Detailed description of the invention
Fig. 1 is the electrical schematic diagram of electrical cabinet in electrical cabinet embodiment；
Fig. 2 is the circuit diagram of each indicator light in electrical cabinet embodiment.
Specific embodiment
The purpose of this utility model is to provide a kind of electrical cabinet and its interlocking control devices, for solving in the prior art
Impaired problem is easy since voltage sensor used needs to bear high pressure when detecting high-tension line.
To achieve the above object, technical solution provided by the utility model is:
A kind of electrical cabinet, including A, B, C three-phase line and interlocking control device；The interlocking control device includes locking control
Device, electromagnetic lock and earthing knife-switch latch processed；Locking controller connection connects electromagnetic lock and earthing knife-switch is closed there are three voltage detection unit
Lock the control section of device；Each voltage detection unit is respectively used to the voltage of detection A, B, C three-phase line；
The voltage detection unit is induction type voltage probe, and each voltage detection unit is big at a distance from its detected route
In safe distance.
The embodiments of the present invention is described further with reference to the accompanying drawing.
Electrical cabinet embodiment:
The present embodiment provides a kind of electrical cabinet, electrical cabinet is provided with interlocking control device, can be according to the voltage in route
Lock-in control is carried out to cabinet door and grounding switch, improves the security performance of electrical cabinet.
Electrical cabinet provided by the present embodiment, including interlocking control device, A, B, C three-phase line and for ground connection
N phase line, interlocking control device include locking controller and earthing knife-switch latch and the electromagnetic lock being arranged in electrical cabinet cabinet door.
Locking controller connects the control section of earthing knife-switch latch and electromagnetic lock, for controlling the work shape of earthing knife-switch latch and electromagnetic lock
State.
There are four voltage sensors for locking controller connection, and each voltage sensor is induction type voltage sensor, respectively
At detection A, B, C three-phase line and N phase line, the distance between respective lines are greater than corresponding safe distance for setting.Respectively
Voltage sensor is by non-contacting mode, according to electric field caused by voltage in each phase line, detects outside safe distance each
The voltage of phase line prevents each phase line mesohigh from damaging to relevant voltage sensor.Here safe distance is will not
To the hurtful distance of voltage sensor.
After each voltage sensor detects the voltage signal in respective lines, the voltage signal that will test, which is sent to, to be closed
Lock controller, locking controller judge whether charge in each phase line according to the voltage signal received；If A, B, C triple line
Road electrification then controls electromagnetic lock and the locking of earthing knife-switch latch.
Electrical cabinet is latched after electromagnetic lock locking, personnel is prevented to be strayed into and threaten to its life security.
Grounding switch can not be closed after the locking of earthing knife-switch latch, to prevent from the energized state connecing grounding switch
Ground guarantees the safe operation of electrical cabinet.
For the circuit structure of electrical cabinet as shown in Figure 1, wherein DS is electromagnetic lock, DT is earthing knife-switch latch, ZCX in the present embodiment
For locking controller, electromagnetic lock DS and earthing knife-switch latch DT it is in parallel after small mother controlled by the connection of contact 3,4 of air switch 4ZK
Anode+the KM of line controls the cathode-KM of small bus by the connection of contact 1,2 of air switch 4ZK, in electromagnetic lock DS and earthing knife-switch
It is provided with contact 23 and 24 on the route of the small bus of latch DT connection control, locking controller ZCX connecting terminal 23 and 24
Control terminal.
In order to show the electriferous state of each phase, locking controller is also connected with that there are four indicator lights, as shown in Fig. 2, respectively finger
Show that lamp is connect with the voltage transformer of detection A, B, C three-phase line and N phase line respectively, when locking controller passes through voltage sensor
Device detects when charging in some route, and corresponding indicator light shines, and staff can intuitively be found out respectively by indicator light
The electriferous state of route.
Four voltage sensors that locking controller is connected in the present embodiment, principle are to utilize high voltage electric field and sensing
Field coupling principle between device carries out the voltage that inductive measuring voltage sensor is model AB-CG6KV/10KV/35KV
Mutual inductor.
Installation practice:
The present embodiment provides the interlocking control device structure phases in a kind of interlocking control device, with above-mentioned electrical cabinet embodiment
Together, which is discussed in detail in above-mentioned electrical cabinet embodiment, seldom explains here.
Claims (8)
1. a kind of electrical cabinet, including A, B, C three-phase line and interlocking control device；The interlocking control device includes lock-in control
Device, electromagnetic lock and earthing knife-switch latch；There are three voltage detection units for locking controller connection, and connect electromagnetic lock and earthing knife-switch locking
The control section of device；Each voltage detection unit is respectively used to the voltage of detection A, B, C three-phase line；
It is characterized in that, the voltage detection unit is induction type voltage probe, each voltage detection unit and its detected route
Distance be greater than safe distance.
2. a kind of electrical cabinet according to claim 1, which is characterized in that the locking controller be also connected with there are three instruction
Lamp, each indicator light is corresponding with A, B, C triple line respectively, for showing whether each phase line charges.
3. a kind of electrical cabinet according to claim 1, which is characterized in that the electromagnetic lock and earthing knife-switch latch are in parallel,
It is provided with controllable switch in the power supply line of electromagnetic lock and ground knife-like switch, the locking controller connects the control of the controllable switch
End.
4. a kind of electrical cabinet according to claim 1 to 3, which is characterized in that the type of the voltage detection unit
Number be AB-CG series voltage sensor.
5. a kind of interlocking control device, including locking controller, electromagnetic lock and earthing knife-switch latch；There are three locking controller connections
Voltage detection unit, and connect the control section of the electromagnetic lock and earthing knife-switch latch；Each voltage detection unit is respectively used to examine
Survey the voltage of corresponding route to be measured；
It is characterized in that, each voltage detection unit is induction type voltage probe, setting is respectively used in corresponding route to be detected
Safe distance other than.
6. a kind of interlocking control device according to claim 5, which is characterized in that the locking controller is also connected with three
A indicator light shows whether each voltage detection unit route detected charges for corresponding.
7. a kind of interlocking control device according to claim 5, which is characterized in that the electromagnetic lock and earthing knife-switch latch are simultaneously
Connection is provided with controllable switch in the power supply line of electromagnetic lock and ground knife-like switch, and the locking controller connects the controllable switch
Control terminal.
8. according to a kind of interlocking control device described in claim 5-7 any one, which is characterized in that the voltage detecting list
The voltage sensor of the model AB-CG series of member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240152.9U CN208522259U (en) | 2018-08-02 | 2018-08-02 | A kind of electrical cabinet and its interlocking control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240152.9U CN208522259U (en) | 2018-08-02 | 2018-08-02 | A kind of electrical cabinet and its interlocking control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522259U true CN208522259U (en) | 2019-02-19 |
Family
ID=65332997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240152.9U Expired - Fee Related CN208522259U (en) | 2018-08-02 | 2018-08-02 | A kind of electrical cabinet and its interlocking control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208522259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594304A (en) * | 2022-03-10 | 2022-06-07 | 深圳供电局有限公司 | A power transmission locking device with ground knife or ground wire |
| RU2782744C2 (en) * | 2020-07-12 | 2022-11-02 | Ооо "Нпф Алгоритм" | BLOCKING FROM ERRONEOUS ACTIONS OF OPERATIONAL PERSONNEL, WHEN SWITCHING BY SWITCHING DEVICES OF SINGLE-SIDED SERVICE ASSEMBLED CHAMBERS (SAC) OF 6-10 kV |
-
2018
- 2018-08-02 CN CN201821240152.9U patent/CN208522259U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2782744C2 (en) * | 2020-07-12 | 2022-11-02 | Ооо "Нпф Алгоритм" | BLOCKING FROM ERRONEOUS ACTIONS OF OPERATIONAL PERSONNEL, WHEN SWITCHING BY SWITCHING DEVICES OF SINGLE-SIDED SERVICE ASSEMBLED CHAMBERS (SAC) OF 6-10 kV |
| CN114594304A (en) * | 2022-03-10 | 2022-06-07 | 深圳供电局有限公司 | A power transmission locking device with ground knife or ground wire |
| RU2823167C1 (en) * | 2023-01-18 | 2024-07-18 | Антон Владимирович Наплеков | METHOD OF ACCOUNTING FOR PORTABLE PROTECTIVE EARTHING IN LOGIC OF PROGRAM-LOGIC ELECTROMAGNETIC INTERLOCKING AGAINST ERRONEOUS ACTIONS OF PERSONNEL DURING SWITCHING IN ELECTRICAL INSTALLATIONS OF 6-750 kV |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |