CN210984601U - High-voltage AC load switch with spring operating mechanism - Google Patents
High-voltage AC load switch with spring operating mechanism Download PDFInfo
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- CN210984601U CN210984601U CN201922344480.4U CN201922344480U CN210984601U CN 210984601 U CN210984601 U CN 210984601U CN 201922344480 U CN201922344480 U CN 201922344480U CN 210984601 U CN210984601 U CN 210984601U
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Abstract
The utility model provides a high pressure exchanges load switch with spring operating mechanism. The high-voltage alternating-current load switch with the spring operating mechanism comprises a shell, wherein the spring operating mechanism is arranged in the shell and comprises an energy storage spring, an energy storage system, a switching-on/off coil and an auxiliary switch; the switching-on coil is used for driving the energy storage spring to act, the energy storage system provides energy for the switching-on spring, and the auxiliary switch is used for assisting the switching-on and switching-off actions. The high-voltage AC load switch provided by the utility model, through the arrangement of the spring operating mechanism, not only the bounce of the load switch is reduced, namely the mean value of the bounce time is about 2ms, but also the holding coil is saved, thereby directly reducing the cost of the switch; and the voltage sensor of the alternating current load switch can meet the requirement when the rated power is 300VA, so that the cost is indirectly reduced.
Description
Technical Field
The utility model relates to a switch especially relates to a high pressure AC load switch with spring operating mechanism.
Background
FZW28-12/TD630-20 outdoor high voltage AC load switch is suitable for pole mounting, and has manual and electric operation functions. The FZW28-12/TD630-20 outdoor high-voltage alternating-current load switch has a fault detection function, a protection control function and a communication function, is installed on a 10kV overhead line, and can realize the functions of automatically removing a single-phase earth fault and automatically isolating an interphase short-circuit fault. The installation point is suitable for the responsibility demarcation point of 10kV distribution line user inlet wire, and can also be suitable for the branch line junction meeting the requirement. FZW28-12/TD630-20 outdoor high voltage AC load switch generally uses electromagnetic actuator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a high pressure AC load switch with spring operating mechanism.
The utility model provides a pair of high pressure AC load switch with spring operating mechanism, its technical scheme is:
the energy storage device comprises a shell, wherein a spring operating mechanism is arranged in the shell and comprises a closing spring, an energy storage system, a switching-on and switching-off coil and an auxiliary switch; the switching-on spring is used for driving the switching-off and switching-on coil to act, the energy storage system provides energy for the switching-on spring, and the auxiliary switch is used for assisting the switching-off and switching-on action.
The utility model provides a pair of high pressure AC load switch with spring operating mechanism still includes following subsidiary technical scheme:
wherein, the energy storage system comprises an electric mechanism and a manual mechanism.
Wherein, the shell is internally provided with SF6Gas, the spring operating mechanism and the main loop of the switch are sealed in the SF6In the air.
Wherein, the shell is made of cold plate material by plastic spraying or 304 stainless steel.
The high-voltage alternating-current load switch also comprises a current sensor, a voltage sensor, an isolation operation shaft, a switching handle and an energy storage handle; the current sensor and the voltage sensor are arranged outside the shell, the isolation operation shaft is arranged between the current sensor and the voltage sensor, and the combination and separation handle and the energy storage handle are arranged on the outer wall of the bottom of the shell.
The high-voltage alternating-current load switch further comprises a wire inlet sleeve and a wire outlet sleeve, the wire inlet sleeve is arranged on the outer wall of one side of the shell, and the wire outlet sleeve is arranged on the outer wall of the other side of the shell.
The high-voltage alternating-current load switch further comprises a suspension bracket, and the high-voltage alternating-current load switch is mounted on a circuit through the suspension bracket.
The high-voltage alternating-current load switch further comprises an indicator, and the indicator is used for indicating the working state of the high-voltage alternating-current load switch.
The high-voltage alternating-current load switch further comprises a vacuum arc-extinguishing chamber and an arc-extinguishing chamber operating shaft.
The utility model also provides an overhead line, install the aforesaid on the overhead line the high pressure AC load switch with spring operating mechanism.
The utility model discloses an implement including following technological effect:
the utility model provides a high-voltage AC load switch with a spring operating mechanism, which not only reduces the bounce of the load switch by setting the spring operating mechanism, namely the mean value of the bounce time is about 2ms, but also saves a holding coil, thereby directly reducing the cost of the switch; moreover, the spring operating mechanism is arranged, so that the requirement can be met when the rated power of the voltage sensor of the alternating-current load switch is 300VA, the rated power of the voltage sensor is not required to be 500VA, and the cost is indirectly reduced. Furthermore, the utility model discloses in have spring operating mechanism's high-pressure AC load switch install on 10kV overhead line, possess fault detection function, protection control function and communication function, can realize automatic excision single-phase earth fault and the alternate short-circuit fault of automatic isolation.
Drawings
Fig. 1 is a schematic view of an angle of a high voltage ac load switch with a spring operating mechanism according to the present invention.
Fig. 2 is a schematic structural diagram of another angle of the high voltage ac load switch with the spring operating mechanism according to the present invention.
In the figure, 1-shell, 2-current sensor, 3-voltage sensor, 4-isolation operation shaft, 5-switching handle, 6-energy storage handle, 7-wire inlet sleeve, 8-wire outlet sleeve, 7A-A phase wire inlet sleeve, 7B-B phase wire inlet sleeve, 7C-C phase wire inlet sleeve, 8A-A phase wire outlet sleeve, 8B-B phase wire outlet sleeve, 8C-C phase wire outlet sleeve, 9-suspension bracket, 10-arc extinguish chamber and 11-arc extinguish chamber operation shaft.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way.
The orientations described in the present application, such as up, down, left, right, and left, are convenient to use and described with reference to the drawings, and do not limit the scope of protection.
The utility model provides a high-voltage AC load switch with a spring operating mechanism, as shown in figure 1-2, comprises a shell 1, wherein the spring operating mechanism is arranged in the shell 1, and comprises a closing spring, an energy storage system, a switching-on and switching-off coil and an auxiliary switch; the switching-on spring is used for driving the switching-off and switching-on coil to act, the energy storage system provides energy for the switching-on spring, and the auxiliary switch is used for assisting the switching-off and switching-on action. The utility model provides a high-voltage AC load switch with a spring operating mechanism, which not only reduces the bounce of the load switch by setting the spring operating mechanism, namely the mean value of the bounce time is about 2ms, but also saves a holding coil, thereby directly reducing the cost of the switch; moreover, the spring operating mechanism is arranged, so that the requirement can be met when the rated power of the voltage sensor of the alternating-current load switch is 300VA, the rated power of the voltage sensor is not required to be 500VA, and the cost is indirectly reduced. Furthermore, the utility model discloses in have spring operating mechanism's high-pressure AC load switch install on 10kV overhead line, possess fault detection function, protection control function and communication function, can realize automatic excision single-phase earth fault and the alternate short-circuit fault of automatic isolation.
In one embodiment, the energy storage system includes an electric mechanism and a manual mechanism. The energy storage system in the embodiment is provided with the electric mechanism and the manual mechanism at the same time, and when the electric mechanism breaks down, the functions of manual energy storage and manual opening and closing can be realized through the manual mechanism; when the manual mechanism breaks down, the functions of electric energy storage and electric opening and closing can be realized through the electric mechanism, so that the high-voltage alternating-current load switch in the embodiment can work uninterruptedly.
The electric mechanism comprises an energy storage motor, the voltage of the energy storage motor is 24V, and the high-voltage load switch in the embodiment can lock the current of more than 600A.
In one embodiment, the housing 1 is filled with SF6 gas, and the spring actuator and the main circuit of the switch are sealed with the SF6In the air. The high-voltage AC load switch in the embodiment is suitable for the occasions of column installation by adopting SF6The gas is used as an insulating medium for the ground and the phase, so that the alternating-current load switch has the advantages of high reliability and maintenance-free property.
In one embodiment, the housing 1 is made of cold plate plastic injection or 304 stainless steel, which uses vacuum bubble arc extinction.
In one embodiment, as shown in fig. 1-2, the high voltage ac load switch further includes a current sensor 2, a voltage sensor 3, an isolation operating shaft 4, a make-and-break handle 5, and an energy storage handle 6; current sensor 2 and voltage sensor 3 all set up in the outside of shell 1, keep apart operation axle 4 set up in between current sensor 2 and the voltage sensor 3, close and divide handle 5 and energy storage handle 6 all set up in on the bottom outer wall of shell 1.
In one embodiment, as shown in fig. 1-2, the high voltage ac load switch further includes a wire inlet bushing 7 and a wire outlet bushing 8, where the wire inlet bushing 7 is disposed on an outer wall of one side of the housing 1, and the wire outlet bushing 8 is disposed on an outer wall of the other side of the housing. The wire inlet sleeve 7 comprises an A-phase wire inlet sleeve 7A, a B-phase wire inlet sleeve 7B and a C-phase wire inlet sleeve 7C; the outgoing line sleeve 8 comprises an A-phase outgoing line sleeve 7A, a B-phase outgoing line sleeve 8B and a C-phase outgoing line sleeve 8C,
in one embodiment, as shown in fig. 1, the high voltage ac load switch further comprises a suspension bracket 9, and the high voltage ac load switch is mounted on a line through the suspension bracket 9.
In one embodiment, the high voltage ac load switch further comprises an indicator for indicating the operating state of the high voltage ac load switch.
In one embodiment, as shown in fig. 1-2, the high voltage ac load switch further comprises a vacuum interrupter 10 and an interrupter operating shaft 11. In the embodiment, the vacuum arc-extinguishing chamber is used as an insulation medium between the ground and the phase, so that the alternating current load switch further has the advantages of high reliability and no maintenance.
The utility model also provides an overhead line, install the aforesaid on the overhead line the high pressure AC load switch with spring operating mechanism, because the point of improvement only exchanges load switch at overhead line's high pressure, consequently, the utility model discloses do not describe other structures of overhead line in detail, all can adopt prior art's structure.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A high-voltage AC load switch with a spring operating mechanism is characterized by comprising a shell, wherein the shell is internally provided with the spring operating mechanism which comprises a closing spring, an energy storage system, a switching-on and switching-off coil and an auxiliary switch; the switching-on spring is used for driving the switching-off and switching-on coil to act, the energy storage system provides energy for the switching-on spring, and the auxiliary switch is used for assisting the switching-off and switching-on action.
2. A high voltage ac load switch having a spring operated mechanism as claimed in claim 1, wherein: the energy storage system comprises an electric mechanism and a manual mechanism.
3. A high voltage ac load switch having a spring operated mechanism according to claim 1 or 2, wherein: SF6 gas is arranged in the shell, and the spring operating mechanism and a main loop of the switch are sealed in the SF6 gas.
4. A high voltage ac load switch having a spring operated mechanism as claimed in claim 3, wherein: the shell is made of cold plate material by plastic spraying or 304 stainless steel.
5. A high voltage ac load switch having a spring operated mechanism according to claim 1 or 2, wherein: the high-voltage alternating-current load switch also comprises a current transformer, a voltage transformer, an isolation operation shaft, a switching handle and an energy storage handle; voltage sensor and current sensor all set up in the outside of shell, keep apart the operation axle set up in between current sensor and the voltage sensor, close and divide handle and energy storage handle all set up in on the bottom outer wall of shell.
6. The high voltage ac load switch with a spring operated mechanism of claim 5, wherein: the high-voltage alternating-current load switch further comprises a wire inlet sleeve and a wire outlet sleeve, the wire inlet sleeve is arranged on the outer wall of one side of the shell, and the wire outlet sleeve is arranged on the outer wall of the other side of the shell.
7. A high voltage ac load switch having a spring operated mechanism according to claim 1 or 2, wherein: the high-voltage alternating-current load switch further comprises a suspension bracket, and the high-voltage alternating-current load switch is installed on a circuit through the suspension bracket.
8. A high voltage ac load switch having a spring operated mechanism according to claim 1 or 2, wherein: the high-voltage alternating-current load switch also comprises an indicator, and the indicator is used for indicating the working state of the high-voltage alternating-current load switch.
9. A high voltage ac load switch having a spring operated mechanism according to claim 1 or 2, wherein: the high-voltage alternating-current load switch further comprises a vacuum arc-extinguishing chamber and an arc-extinguishing chamber operating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344480.4U CN210984601U (en) | 2019-12-24 | 2019-12-24 | High-voltage AC load switch with spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344480.4U CN210984601U (en) | 2019-12-24 | 2019-12-24 | High-voltage AC load switch with spring operating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210984601U true CN210984601U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922344480.4U Active CN210984601U (en) | 2019-12-24 | 2019-12-24 | High-voltage AC load switch with spring operating mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233931A (en) * | 2020-09-23 | 2021-01-15 | 国网山东省电力公司潍坊供电公司 | Load switch device with PT (potential transformer) and installation construction method |
-
2019
- 2019-12-24 CN CN201922344480.4U patent/CN210984601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233931A (en) * | 2020-09-23 | 2021-01-15 | 国网山东省电力公司潍坊供电公司 | Load switch device with PT (potential transformer) and installation construction method |
| CN112233931B (en) * | 2020-09-23 | 2023-09-29 | 国网山东省电力公司潍坊供电公司 | Load switch device with PT and installation construction method |
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