CN204858514U - Conventional circuit -breaker from power transmission device - Google Patents
Conventional circuit -breaker from power transmission device Download PDFInfo
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- CN204858514U CN204858514U CN201520546499.6U CN201520546499U CN204858514U CN 204858514 U CN204858514 U CN 204858514U CN 201520546499 U CN201520546499 U CN 201520546499U CN 204858514 U CN204858514 U CN 204858514U
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Abstract
The utility model relates to a conventional circuit -breaker from power transmission device, including a voltage relay, the 2nd voltage relay, an intermediate relay, closing relay and time relay, the three -phase sample power of circuit breaker inlet wire side inserts respectively in a voltage relay and the 2nd voltage relay's the coil, a voltage relay and the 2nd voltage relay normally open a little, closing relay's the normal close point and the normal close point of circuit breaker insert in time relay's the coil after establishing ties one by one, time relay normally opens in the auxiliary relay's that a little puts in series the coil, closing relay normally open a little and normally opening a little of circuit breaker is established ties in closing relay's coil after parallelly connected, auxiliary relay normally open a little and closing relay's normal close point is established ties the back both ends and is connected in parallel on the switching knob of circuit breaker. The device is small, and the wiring is convenient for recover the speed of power consumption behind the non - failure interruption, power supply staff's labour has saved, it can't be from the defect of the power transmission to have solved the circuit breaker.
Description
Technical field
The utility model belongs to electric equipment and electrical engineering technical field, relates to a kind of from power transmission device, particularly relate to a kind of omnipotent breaker from power transmission device.
Background technology
At present, in the low-voltage distribution system of 0.4KV, main circuit breaker, as the omnipotent breakers such as DW15 type, DW17 type all have o-volt protection function, namely when circuit is lower than under rated voltage or higher level's power-off condition, circuit breaker meeting automatic trip, avoids security incident occurs.
Existing omnipotent breaker has o-volt protection function, although the meeting automatic trip when fault decompression, efficiently avoid the generation of security incident.But, the decompression tripping operation in non-faulting has a power failure, or when after trouble shooting, circuit recovers normal, such as, when circuit recovers rated voltage or higher level sends a telegram here, if again do not pressed switch knob, circuit breaker would not close a floodgate voluntarily, cannot realize from power transmission function.So electrician must be needed to go to close a floodgate could recover electricity consumption to switchgear house.Like this, first, sometimes higher level have been sent a telegram here but electrician not knowing, delay electric power feeding time; The second, because an electrician only can not manage a switchgear house, therefore need multiple switchgear house power transmission one by one during power transmission, workload is very large.For this reason, some user does not want to take the trouble, and directly the no-voltage release of circuit breaker is removed, but circuit breaker just loses o-volt protection function like this, and very easily cause the accident generation.
In view of the above-mentioned technological deficiency of prior art, in the urgent need to developing a kind of novel device that can facilitate the automatic power transmission of omnipotent breaker.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming existed in prior art, provide a kind of omnipotent breaker from power transmission device, this device omnipotent breaker non-faulting decompression tripping operation after, recover normal power supply time can realize circuit breaker from power transmission.
To achieve these goals, the utility model provides following technical scheme: a kind of omnipotent breaker from power transmission device, it comprises the first voltage relay, second voltage relay, auxiliary relay, closing relay and the time relay, it is characterized in that, the three-phase sampling power supply of circuit breaker inlet wire side accesses in the coil of described first voltage relay and the second voltage relay respectively, the normal battle of described first voltage relay and the second voltage relay, the normally closed point of closing relay and the normally closed point of circuit breaker access in the coil of the described time relay after connecting one by one, the normal of the described time relay is made war in the coil of the described auxiliary relay of series connection access, be series in the coil of described closing relay after the normal battle of described closing relay and normal parallel connection battle of circuit breaker, the normal battle of described auxiliary relay and the rear two ends of the normally closed series connection of described closing relay are parallel on the switch knob of circuit breaker.
Further, wherein, the three-phase sampling power supply of described circuit breaker inlet wire side accesses in the coil of described first voltage relay and the second voltage relay respectively by an automatic switch.
Omnipotent breaker of the present utility model little from the volume of power transmission device, easy-to-connect, can be directly installed in omnipotent breaker cabinet, can be widely used in each industrial and mining enterprises, residential quarter etc.Meanwhile, the speed recovering electricity consumption after power transmission device accelerates non-faulting power failure of this omnipotent breaker, greatly save the labour of powered operation personnel, solving circuit breaker cannot from the defect of power transmission.
Accompanying drawing explanation
Fig. 1 is the key wiring diagram from power transmission device of omnipotent breaker of the present utility model.
Wherein: 1YJ, the first voltage relay; 2YJ, the second voltage relay; 1ZJ, auxiliary relay; 2ZJ, closing relay; SJ, the time relay; QK, diverter switch; The node of DL, circuit breaker; The closing coil of HQ, circuit breaker; The switch knob of HA, circuit breaker; The three-phase sampling power supply of X1 ~ X3, circuit breaker inlet wire side; ZK, automatic switch.
Embodiment
Further illustrate the utility model below in conjunction with drawings and Examples, the content of embodiment is not as the restriction to protection range of the present utility model.
The utility model relate to a kind of omnipotent breaker from power transmission device, this device omnipotent breaker non-faulting decompression tripping operation after, recover normal power supply time can realize circuit breaker from power transmission.
Fig. 1 shows the key wiring diagram from power transmission device of omnipotent breaker of the present utility model.As shown in Figure 1, omnipotent breaker of the present utility model comprise the first voltage relay 1YJ, the second voltage relay 2YJ, auxiliary relay 1ZJ, closing relay 2ZJ and time relay sj from power transmission device.With reference to figure 1, see known from top to bottom, wherein:
The three-phase sampling power supply X1 of circuit breaker inlet wire side, X2, X3 access in the coil of described first voltage relay 1YJ and the second voltage relay 2YJ respectively.Preferably, the three-phase sampling power supply X1 of described circuit breaker inlet wire side, X2, X3 access in the coil of described first voltage relay 1YJ and the second voltage relay 2YJ respectively by an automatic switch ZK.
The normal battle of described first voltage relay 1YJ, the normal battle of the second voltage relay 2YJ, the normally closed point of closing relay 2ZJ and the normally closed point of circuit breaker access in the coil of described time relay sj after connecting one by one.
The normal of described time relay sj is made war in the coil of the described auxiliary relay 1ZJ of series connection access.
Be series in the coil of described closing relay 2ZJ after the normal battle of described closing relay 2ZJ and normal parallel connection battle of circuit breaker.
The normal battle of described auxiliary relay 1ZJ and the rear two ends of the normally closed series connection of described closing relay 2ZJ are parallel on the switch knob HA of circuit breaker.
Employ omnipotent breaker of the present utility model in the circuit of power transmission device, when line outage or voltage abnormal time, each components and parts are in the state shown in Fig. 1.Wherein, the normal battle of described auxiliary relay 1ZJ is in open state, and switch knob HA is failure to actuate.
When line voltage distribution is normal, the coil of described first voltage relay 1YJ and the second voltage relay 2YJ obtains electric work, their normal battle closes, thus make the coil electricity adhesive of described time relay sj, after time delay, the normal battle of described time relay sj closes, now, the coil electricity adhesive of described auxiliary relay 1ZJ, the normal battle be parallel on the switch knob HA of circuit breaker of described auxiliary relay 1ZJ is closed, thus connect closing circuit of circuit breaker instantaneously, achieve from power transmission function.
Because the normal battle of described closing relay 2ZJ and the normal of circuit breaker make war rear series connection in parallel with the coil of described closing relay 2ZJ, after circuit breaker power transmission, the normal battle of circuit breaker closes thus connects closing relay coil, now, the normally closed point be parallel on the switch knob HA of circuit breaker of described closing relay 2ZJ becomes normal battle, disconnect closing circuit, closing coil would not be made so long charged, also can not cause misdelivery electricity.
Omnipotent breaker of the present utility model little from the volume of power transmission device, easy-to-connect, can be directly installed in omnipotent breaker cabinet, can be widely used in each industrial and mining enterprises, residential quarter etc.Meanwhile, the speed recovering electricity consumption after power transmission device accelerates non-faulting power failure of this omnipotent breaker, greatly save the labour of powered operation personnel, solving circuit breaker cannot from the defect of power transmission.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all execution modes.Every belong to the technical solution of the utility model the apparent change of extending out or variation be still in the row of protection range of the present utility model.
Claims (2)
1. an omnipotent breaker from power transmission device, it comprises the first voltage relay (1YJ), second voltage relay (2YJ), auxiliary relay (1ZJ), closing relay (2ZJ) and the time relay (SJ), it is characterized in that, the three-phase sampling power supply (X1 of circuit breaker inlet wire side, X2, X3) access respectively in the coil of described first voltage relay (1YJ) and the second voltage relay (2YJ), the normal battle of described first voltage relay (1YJ) and the second voltage relay (2YJ), the normally closed point of closing relay (2ZJ) and the normally closed point of circuit breaker access in the coil of the described time relay (SJ) after connecting one by one, the normal of the described time relay (SJ) is made war in the coil of the series connection described auxiliary relay of access (1ZJ), be series in the coil of described closing relay (2ZJ) after the normal battle of described closing relay (2ZJ) and normal parallel connection battle of circuit breaker, the normal battle of described auxiliary relay (1ZJ) and the rear two ends of the normally closed series connection of described closing relay (2ZJ) are parallel on the switch knob (HA) of circuit breaker.
2. omnipotent breaker according to claim 1 from power transmission device, it is characterized in that, the three-phase sampling power supply (X1 of described circuit breaker inlet wire side, X2, X3) access respectively by an automatic switch (ZK) in the coil of described first voltage relay (1YJ) and the second voltage relay (2YJ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546499.6U CN204858514U (en) | 2015-07-27 | 2015-07-27 | Conventional circuit -breaker from power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546499.6U CN204858514U (en) | 2015-07-27 | 2015-07-27 | Conventional circuit -breaker from power transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN204858514U true CN204858514U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520546499.6U Active CN204858514U (en) | 2015-07-27 | 2015-07-27 | Conventional circuit -breaker from power transmission device |
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| CN (1) | CN204858514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410741A (en) * | 2015-07-27 | 2017-02-15 | 山东变电工有限公司 | Self-power transmission device of universal circuit breaker |
-
2015
- 2015-07-27 CN CN201520546499.6U patent/CN204858514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410741A (en) * | 2015-07-27 | 2017-02-15 | 山东变电工有限公司 | Self-power transmission device of universal circuit breaker |
| CN106410741B (en) * | 2015-07-27 | 2019-04-05 | 山东一变电工有限公司 | A kind of omnipotent breaker from power transmission device |
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