CN2631026Y - Outdoor high-voltage vacuum load switch - Google Patents
Outdoor high-voltage vacuum load switch Download PDFInfo
- Publication number
- CN2631026Y CN2631026Y CN 03206479 CN03206479U CN2631026Y CN 2631026 Y CN2631026 Y CN 2631026Y CN 03206479 CN03206479 CN 03206479 CN 03206479 U CN03206479 U CN 03206479U CN 2631026 Y CN2631026 Y CN 2631026Y
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- load switch
- outdoor high
- vacuum
- voltage vacuum
- switch
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Abstract
An out door high pressure vacuum load switch is provided. The switch consists a shell in which at least one vacuum interrupter is arranged, a transfer motion mechanism partially connected to the vacuum interrupter, and action mechanism linked to the transfer motion mechanism, at least one inlet and outlet terminals are arranged on the shell, an instrument transformer can be embedded in the inlet and outlet terminals. The utility model overcomes the common technical defects, adopts a permanent magnetic actuator, and improves the reliabilities of the switch action, in addition a voltage transformer and a current transformer are arranged on the switch which can make sample from the current and voltage circuit. The switch above, adopted box-type complete sealed structure, improves the out-door adaptability and realizes non-maintenance and field mounted without tuning.
Description
Technical field
The utility model relates to a kind of electric switching system, particularly a kind of outdoor high-voltage vacuum on-load switch.
Background technology
The utilization of on-load switch in power distribution network is existing for many years, and has obtained good economic benefits and operation achievement.Because it is simple in structure, manufacturing process is easy, the low favor that is subjected to users of price.But existing vacuum load switch is all based on load-break switch, and manual operation has obvious isolation fracture behind the separating brake, and main conductive circuit is naked to be exposed in the air.Along with the continual renovation of electric network reconstruction, employed switchgear has been proposed higher specification requirement, particularly the distribution automation engineering has proposed new requirement to automation degree of equipment and reliability.Existing vacuum-load isolating switch can not satisfy electric power netting safe running and user's instructions for use.Therefore, develop new vacuum load switch, meet the demand for development of power distribution network.
In the existing vacuum-load isolating switch, as being that FZW16A-12 is main vacuum-load isolating switch with the model, this product is a unenclosed construction, manual operation, the vacuum interrupter arc extinguishing function of isolating switch of holding concurrently, vacuum interrupter is in parallel to be inserted in the main conductive circuit, electric current did not advance vacuum interrupter during operate as normal, only moment of separating brake and combined floodgate main conductive circuit separately after, advance to assist place in circuit to play the arc extinguishing effect, all main conductive circuits expose in air.Though above-mentioned switch has the vacuum interrupter arc extinguishing, arc quenching effect is good, closes that to close the load current capacity big, and price simple in structure is low to be 2/3 advantage of circuit breaker; But still there is following shortcoming: at the bottom of 1, manual operation, the automaticity; 2, main conductive circuit exposes in the easy oxidation life cycle of air short, dangerous big; 3, volume is big, is not suitable for urban distribution network and uses; 4, vacuum interrupter is connected in parallel in the circuit, does not possess the ability of cut-offfing short circuit current; 5, body does not carry current transformer, does not possess the sampling of line current information.
The design people is that the design research and development are improved in view of the defective that above-mentioned known configurations exists then, has passed through after the research with great concentration, has overcome above-mentioned defective finally, has finished a kind of outdoor high-voltage vacuum on-load switch of the present utility model.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of outdoor high-voltage vacuum on-load switch, adopt all-sealed structure, improve the reliability of switch motion, and the voltage transformer summation current transformer is set, raising equipment applicable performance out of doors on Switch main body.
For this reason, the utility model is a kind of outdoor high-voltage vacuum on-load switch, wherein: have a shell, be provided with at least one vacuum interrupter in the enclosure, one running part connects described vacuum interrupter, an actuating mechanism connects described running part, is provided with at least one input terminal and at least one outlet terminal on described shell, can be embedded instrument transformer in the insulator of described input terminal and outlet terminal.
Described outdoor high-voltage vacuum on-load switch, wherein: be provided with three vacuum interrupters and the three pairs of input terminals and outlet terminal.
Described outdoor high-voltage vacuum on-load switch, wherein: in described shell, be provided with an Insulating frame, described three vacuum interrupters are arranged side by side thereon.
Described outdoor high-voltage vacuum on-load switch, wherein: the insulator of described input terminal and outlet terminal has the screw of being embedded, and a described insulator part is in the enclosure, and is a part of outside shell, and middle is the conducting rod of cathode copper casting technique preparation.
Described outdoor high-voltage vacuum on-load switch, wherein: the insulator of described input terminal and outlet terminal umbrella wing angle in the enclosure is 10 degree, the umbrella wing angle outside shell is 7 degree.
Described outdoor high-voltage vacuum on-load switch, wherein: described actuating mechanism is a permanent magnet mechanism.
Described outdoor high-voltage vacuum on-load switch, wherein: described permanent magnet mechanism has a magnetic and grips tube, the inwall middle part of gripping tube at described magnetic circumferentially is provided with permanent magnet, described magnetic grip the tube inwall on closing coil and switching winding are set, an iron core is arranged on described magnetic movably and grips in the tube, one combined floodgate push rod and described iron core are fixed, and are provided with to make iron core comply with the guide post of its slip in the middle of described magnetic is gripped tube.
Described outdoor high-voltage vacuum on-load switch, wherein: closing coil and switching winding circumferentially are provided with at described permanent magnet two ends, and described combined floodgate push rod connects with described running part.
Described outdoor high-voltage vacuum on-load switch, wherein: described instrument transformer is the electronic type voltage transformer summation current transformer.
Described outdoor high-voltage vacuum on-load switch, wherein: fill the sulfur hexafluoride gas that is provided with zero gauge pressure in the shell.
Advantage and characteristics that the utility model compared with prior art has are:
1, voltage transformer and the current transformer that the turnover line insulator of outdoor high-voltage vacuum on-load switch of the present utility model can charged minor possesses the condition to line current and voltage sample.
2, switch operating mechanism adopts permanent-magnet operating mechanism in the outdoor high-voltage vacuum on-load switch of the present utility model, and the few reliability height of parts possesses on the spot and the remote operation condition.
3, outdoor high-voltage vacuum on-load switch of the present utility model is box all-sealed structure, has improved the anti-freezing dew performance that equipment uses out of doors, has solved conductive component and has exposed shortcoming oxidized in air.
4, arc chamber is connected in the main conductive circuit in the outdoor high-voltage vacuum on-load switch of the present utility model, improves arc quenching effect and reliability, has the ability of cut-offfing short circuit current.
5, the mechanism of outdoor high-voltage vacuum on-load switch of the present utility model is sealed in the switch casing, reaches the non-maintaining and on-the-spot condition of exempting to debug of installing.
Description of drawings
Fig. 1 is the schematic appearance of outdoor high-voltage vacuum on-load switch of the present utility model;
Fig. 2 is along the cutaway view of A-A line among Fig. 1;
Fig. 3 is the outdoor high-voltage vacuum on-load switch schematic internal view of the present utility model that removes behind the bottom;
Fig. 4 is the schematic diagram that has insulator in the outdoor high-voltage vacuum on-load switch of the present utility model of instrument transformer;
Fig. 5 is the schematic cross-section of the permanent magnet mechanism of outdoor high-voltage vacuum on-load switch of the present utility model.
Embodiment
Contrast description of drawings embodiment of the present utility model below, so as to feature, effect and the purpose that outdoor high-voltage vacuum on-load switch of the present utility model is described.
Shown in Fig. 1 and 2,3.It is the schematic diagram of outdoor high-voltage vacuum on-load switch of the present utility model.This outdoor high-voltage vacuum on-load switch has a shell 1, in shell 1, be provided with at least one vacuum interrupter 2, one running part 3 connects described vacuum interrupter 2, an actuating mechanism 4 connects described running part 3, on described shell 1, be provided with at least one input terminal and at least one outlet terminal, be the three-phase setting in the present embodiment, be provided with three vacuum interrupters and the three pairs of input terminals 5 and outlet terminal 6, can be embedded instrument transformer 11 in the insulator of described input terminal 5 and outlet terminal 6, please especially referring to Fig. 4.Described shell 1 has a bottom 7.
In described shell 1, be provided with an Insulating frame 8, described three vacuum interrupters 2 are arranged side by side thereon, are provided with the switch contact (not shown) in above-mentioned vacuum interrupter 2.
See also Fig. 4, the insulator of described input terminal and outlet terminal has the screw of being embedded 9, and a described insulator part in the enclosure, and is a part of outside shell, middle conducting rod 10 for the preparation of cathode copper casting technique, the exterior insulation material is outdoor epoxide resin material.The insulator of described input terminal and outlet terminal umbrella wing angle in the enclosure is 10 degree, and the umbrella wing angle outside shell is 7 degree.Described instrument transformer 11 is the electronic type voltage transformer summation current transformer, is embedded the inboard at screw 9.
The insulating material of the insulator of outdoor high-voltage vacuum on-load switch of the present utility model is selected outdoor resin for use, uses the anti-ultraviolet aging superior performance out of doors.Instrument transformer 11 is electronic type voltage transformer or current mutual inductor coil, is the Luo Jiefu coil again, compares with common coil to have: advantage such as no iron core, volume are little, broad quantum, the linearity are good.The production of whole insulator is pressure gel technology.
See also Fig. 5, it is the schematic cross-section of the permanent magnet mechanism of outdoor high-voltage vacuum on-load switch of the present utility model.In the present embodiment, described actuating mechanism 4 is a permanent magnet mechanism.Described permanent magnet mechanism has a magnetic and grips tube 13, the inwall middle part of gripping tube 13 at described magnetic circumferentially is provided with permanent magnet 14, described magnetic is gripped on tube 13 the inwall closing coil 15 and switching winding 16 is set, and closing coil 15 and switching winding 16 circumferentially are provided with at described permanent magnet 14 two ends.An iron core 17 is arranged on described magnetic movably and grips in the tube 13, and a combined floodgate push rod 12 fixes with described iron core 17, and described combined floodgate push rod 12 connects with described running part 3.Be provided with in the middle of described magnetic is gripped tube 13 and can make the guide post 18 of iron core 17 according to its slip, described guide post 18 1 ends insert in the iron core 17, and the other end is fixed on described magnetic and grips on the end plate 19 of tube 13.
The operation principle of permanent magnet mechanism: close a floodgate: give closing coil 15 energisings, produce the magnetic line of force and grip tube 13 generation power by magnetic, but the power that produces is during greater than the attraction of permanent magnet 14, iron core 17 just moves to the combined floodgate direction, power transmission shaft by combined floodgate push rod 12 driving switchs closes a floodgate switch, has the intrinsic attraction of permanent magnet 14 to make mechanism and switch remain on the strong attitude of combined floodgate behind the combined floodgate.Separating brake: the principle of separating brake is identical with the principle of combined floodgate, but the direction of motion of iron core 17 is opposite with combined floodgate.
In the shell of outdoor high-voltage vacuum on-load switch of the present utility model, fill the sulfur hexafluoride gas that is provided with zero gauge pressure.
The running part that the utility model adopts as seen from Figure 3, running part mainly contains: macro-axis, connecting lever, insulated tension pole, contact pressure spring are formed; It is conventional general know-why, does not here tell in detail.
The above person only; it only is specific embodiment of the utility model; when can not with the scope implemented of qualification the utility model; so displacement of its equivalent assemblies; or, all should still belong to the category of containing of this patent claims according to equivalent variations and modification that the utility model scope of patent protection is done.
Claims (10)
1, a kind of outdoor high-voltage vacuum on-load switch, it is characterized in that: described switch has a shell, be provided with at least one vacuum interrupter in the enclosure, one running part connects described vacuum interrupter, one actuating mechanism connects described running part, on described shell, be provided with at least one input terminal and at least one outlet terminal, can be embedded instrument transformer in the insulator of described input terminal and outlet terminal.
2, outdoor high-voltage vacuum on-load switch as claimed in claim 1 is characterized in that: be provided with three vacuum interrupters and the three pairs of input terminals and outlet terminal.
3, outdoor high-voltage vacuum on-load switch as claimed in claim 2 is characterized in that: in described shell, be provided with an Insulating frame, described three vacuum interrupters are arranged side by side thereon.
4, outdoor high-voltage vacuum on-load switch as claimed in claim 2, it is characterized in that: the insulator of described input terminal and outlet terminal has the screw of being embedded, a described insulator part in the enclosure, and is a part of outside shell, and middle is the conducting rod of cathode copper casting technique preparation.
5, outdoor high-voltage vacuum on-load switch as claimed in claim 4 is characterized in that: the insulator of described input terminal and outlet terminal umbrella wing angle in the enclosure is 10 degree, and the umbrella wing angle outside shell is 7 degree.
6, as each described outdoor high-voltage vacuum on-load switch of claim 1 to 5, it is characterized in that: described actuating mechanism is a permanent magnet mechanism.
7, outdoor high-voltage vacuum on-load switch as claimed in claim 6, it is characterized in that: described permanent magnet mechanism has a magnetic and grips tube, the inwall middle part of gripping tube at described magnetic circumferentially is provided with permanent magnet, described magnetic grip the tube inwall on closing coil and switching winding are set, an iron core is arranged on described magnetic movably and grips in the tube, one combined floodgate push rod and described iron core are fixed, and are provided with to make iron core comply with the guide post of its slip in the middle of described magnetic is gripped tube.
8, outdoor high-voltage vacuum on-load switch as claimed in claim 7 is characterized in that: closing coil and switching winding circumferentially are provided with at described permanent magnet two ends, and described combined floodgate push rod connects with described running part.
9, outdoor high-voltage vacuum on-load switch as claimed in claim 1 is characterized in that: described instrument transformer is the electronic type voltage transformer summation current transformer.
10, outdoor high-voltage vacuum on-load switch as claimed in claim 6 is characterized in that: fill the sulfur hexafluoride gas that is provided with zero gauge pressure in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206479 CN2631026Y (en) | 2003-07-25 | 2003-07-25 | Outdoor high-voltage vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206479 CN2631026Y (en) | 2003-07-25 | 2003-07-25 | Outdoor high-voltage vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2631026Y true CN2631026Y (en) | 2004-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03206479 Expired - Fee Related CN2631026Y (en) | 2003-07-25 | 2003-07-25 | Outdoor high-voltage vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2631026Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068479A (en) * | 2016-12-01 | 2017-08-18 | 珠海许继电气有限公司 | A kind of increasing productivity switchs the electrical structure of rated short circuit current making capability |
| CN111095461A (en) * | 2017-09-14 | 2020-05-01 | 西门子股份公司 | High-voltage circuit breaker for electrodes and use of a high-voltage circuit breaker |
| CN111108574A (en) * | 2017-09-14 | 2020-05-05 | 西门子股份公司 | Outdoor switching device and method for switching high voltages of multiple phases |
| CN115603217A (en) * | 2022-12-12 | 2023-01-13 | 石家庄科林电气设备有限公司（Cn） | Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit |
-
2003
- 2003-07-25 CN CN 03206479 patent/CN2631026Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068479A (en) * | 2016-12-01 | 2017-08-18 | 珠海许继电气有限公司 | A kind of increasing productivity switchs the electrical structure of rated short circuit current making capability |
| CN111095461A (en) * | 2017-09-14 | 2020-05-01 | 西门子股份公司 | High-voltage circuit breaker for electrodes and use of a high-voltage circuit breaker |
| CN111108574A (en) * | 2017-09-14 | 2020-05-05 | 西门子股份公司 | Outdoor switching device and method for switching high voltages of multiple phases |
| CN115603217A (en) * | 2022-12-12 | 2023-01-13 | 石家庄科林电气设备有限公司（Cn） | Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit |
| CN115603217B (en) * | 2022-12-12 | 2023-03-24 | 石家庄科林电气设备有限公司 | Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |