CN207234391U - 10kV fuses cabinet simplifies circuit with secondary principle - Google Patents
10kV fuses cabinet simplifies circuit with secondary principle Download PDFInfo
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- CN207234391U CN207234391U CN201721169303.1U CN201721169303U CN207234391U CN 207234391 U CN207234391 U CN 207234391U CN 201721169303 U CN201721169303 U CN 201721169303U CN 207234391 U CN207234391 U CN 207234391U
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- circuit
- local
- combined floodgate
- contactor
- opening
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Abstract
It the utility model is related to 10kV fuse cabinets secondary principle and simplify circuit, including local combined floodgate circuit, remote control sub-switch circuit, local opening circuit, transformer circuit and accumulator, the local combined floodgate circuit is local closing operation control circuit, the accumulator and the local combined floodgate circuit in parallel both ends access control bus, the local combined floodgate circuit includes A.C. contactor and closing coil, the local opening circuit includes switching winding and opening button, and the opening button directly controls the sub-switching operation that the switching winding realizes fuse cabinet.The 10kV fuses cabinet of the utility model simplifies circuit with secondary principle, switching winding is directly controlled by opening button to realize that fuse cabinet switchs sub-switching operation, simplify intermediate steps, so that sub-switching operation is relatively reliable and accurate, reduce the A.C. contactor of opening circuit, cost is lower, simplifies wiring, reduces secondary connection error rate.
Description
Technical field
The utility model belongs to electrical power distribution electrical domain, more particularly to 10KV fuses cabinet.
Background technology
Since 10kV high voltage fuses cabinet has stable, dependable performance, good appearance, cheap, easy to maintenance, behaviour
Make the advantage such as flexible, have been obtained for widely available application.In the secondary principle wiring of present existing 10kV high voltage fuses cabinet
Separating brake is all to realize breaking-closing operating by identical principle with closing circuit, i.e., each in on/off switch circuit to add one
A.C. contactor, starts A.C. contactor by on/off switch button, is then started point by the auxiliary contact of A.C. contactor
Closing coil, so as to fulfill breaking-closing operating on the spot.Because it is that on/off switch, ac contactor are realized by A.C. contactor
The stability and reliability of device are with regard to extremely important., just can not normal disjunction fault current once A.C. contactor breaks down.
Utility model content
Based on this, for the prior art, the technical problem to be solved of the utility model is just to provide a kind of structure letter
List, cost are low, more precisely reliable 10kV fuses cabinet simplifies circuit to separating brake with secondary principle.
For above-mentioned purpose, the technical solution of the utility model is：
A kind of 10kV fuses cabinet secondary principle simplifies circuit, including local combined floodgate circuit, remote control sub-switch circuit, local
Opening circuit, transformer circuit and accumulator, the local combined floodgate circuit are local closing operation control circuit, the energy storage
Circuit includes A.C. contactor and conjunction with the local combined floodgate circuit in parallel both ends access control bus, the local combined floodgate circuit
Brake cable circle, the local opening circuit include switching winding and opening button, and the opening button directly controls the separating brake line
Circle realizes the sub-switching operation of fuse cabinet.
In one of the embodiments, the local combined floodgate circuit further includes a distant place/on the spot switch, switch knob, described
After the switch of a distant place/on the spot is connected with the switch knob, then main circuit the 2nd input terminal, the 2nd with the A.C. contactor
A outlet terminal is in parallel, then with the coil tandem of A.C. contactor, circuit and the closing coil circuit in parallel after concatenation.
In one of the embodiments, in the local opening circuit, the switch of the distant place/on the spot, opening button and point
Brake cable circle is sequentially connected in series.
In one of the embodiments, in the accumulator, the main electricity of the energy storage motor and the A.C. contactor
The 3rd, road input terminal, the 3rd outlet terminal concatenation.
Compared with the prior art, the 10kV fuses cabinet of the utility model simplifies the advantageous effects of circuit with secondary principle
To directly control switching winding by opening button to realize that fuse cabinet switchs sub-switching operation, simplifying intermediate steps so that point
Lock operation is relatively reliable and accurate, reduces the A.C. contactor of opening circuit, and cost is lower, simplifies wiring, reduces secondary connect
Line error rate.
Brief description of the drawings
Fig. 1 is the 10kV fuse cabinet secondary principle simplified electrical circuit diagrams of the utility model.
In figure, C1-- locals combined floodgate circuit；C2-- is remotely controlled sub-switch circuit；C3-- locals opening circuit；C4-- transformers
Circuit；C5-- accumulators；KM-- control bus；ZK-- air switches；A SA-- distant places/switch on the spot；HA-- switch knobs；
FA-- opening buttons；Y2-- closing coils；KM-- A.C. contactors；Y1-- switching windings；M-- energy storage motors.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in detail.It should be noted that do not rushing
In the case of prominent, the feature in following embodiment and embodiment can be mutually combined.
The 10kV fuse cabinets secondary principle that Fig. 1 gives the utility model simplifies electrical block diagram, can by Fig. 1
Know, 10kV fuses cabinet secondary principle simplifies circuit, including local combined floodgate circuit C1, remote control sub-switch circuit C2, local point
Lock circuit C3, transformer circuit C4 and accumulator C5, local combined floodgate circuit C1 are local closing operation control circuit, and energy storage is electric
C5 both ends access control bus KMs, local combined floodgate circuit C1 in parallel with local combined floodgate circuit C1 in road includes A.C. contactor KM and conjunction
Brake cable circle Y2, local opening circuit C3 include switching winding Y1 and opening button FA, and opening button FA directly controls switching winding
Y1 realizes the sub-switching operation of fuse cabinet.
Local combined floodgate circuit C1 further includes a distant place/on the spot and switchs SA, switch knob HA, a distant place/switch SA on the spot with closing a floodgate
After button HA series connection, then 4T2 in parallel with the 2nd input terminal 3L2 of main circuit, the 2nd outlet terminal of A.C. contactor KM, with
The coil tandem of A.C. contactor KM, circuit and closing coil Y2 circuit in parallel after concatenation.In local opening circuit C3, far
Side/switch SA, opening button FA and switching winding Y1 are sequentially connected in series on the spot.In accumulator C5, energy storage motor M and ac contactor
The 3rd input terminal 5L3 of main circuit of device KM, the 3rd outlet terminal 6T3 concatenation.
Specially：
Understand above, the 10kV fuses cabinet of the utility model simplifies circuit with secondary principle, is directly controlled by opening button
Switching winding processed come realize fuse cabinet switch sub-switching operation, simplify intermediate steps so that sub-switching operation is relatively reliable and accurate,
The A.C. contactor of opening circuit is reduced, cost is lower, simplifies wiring, reduces secondary connection error rate.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (4)
1. a kind of 10kV fuses cabinet simplifies circuit with secondary principle, it is characterised in that including local combined floodgate circuit, remote control divide-shut brake
Circuit, local opening circuit, transformer circuit and accumulator, the local combined floodgate circuit are local closing operation control electricity
Road, the accumulator include handing over the local combined floodgate circuit in parallel both ends access control bus, the local combined floodgate circuit
Contactor and closing coil are flowed, the local opening circuit includes switching winding and opening button, and the opening button is directly controlled
Make the sub-switching operation that the switching winding realizes fuse cabinet.
2. 10kV fuses cabinet according to claim 1 simplifies circuit with secondary principle, it is characterised in that the local combined floodgate
Circuit further includes the switch of a distant place/on the spot, switch knob, behind the distant place/switch is connected with the switch knob on the spot, then with institute
State the 2nd input terminal of main circuit of A.C. contactor, the 2nd outlet terminal parallel connection, then with the coil string of A.C. contactor
Connect, the circuit after concatenation and the closing coil circuit in parallel.
3. 10kV fuses cabinet according to claim 2 simplifies circuit with secondary principle, it is characterised in that the local separating brake
In circuit, the distant place/switch, opening button and switching winding are sequentially connected in series on the spot.
4. 10kV fuses cabinet according to claim 3 simplifies circuit with secondary principle, it is characterised in that the accumulator
In, the energy storage motor is concatenated with the 3rd input terminal of main circuit, the 3rd outlet terminal of the A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721169303.1U CN207234391U (en) | 2017-09-12 | 2017-09-12 | 10kV fuses cabinet simplifies circuit with secondary principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721169303.1U CN207234391U (en) | 2017-09-12 | 2017-09-12 | 10kV fuses cabinet simplifies circuit with secondary principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234391U true CN207234391U (en) | 2018-04-13 |
Family
ID=61861818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721169303.1U Active CN207234391U (en) | 2017-09-12 | 2017-09-12 | 10kV fuses cabinet simplifies circuit with secondary principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234391U (en) |
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2017
- 2017-09-12 CN CN201721169303.1U patent/CN207234391U/en active Active
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