CN204046040U - A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter - Google Patents
A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter Download PDFInfo
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- CN204046040U CN204046040U CN201420411511.8U CN201420411511U CN204046040U CN 204046040 U CN204046040 U CN 204046040U CN 201420411511 U CN201420411511 U CN 201420411511U CN 204046040 U CN204046040 U CN 204046040U
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- tank body
- vacuum interrupter
- rapidly
- sharp knife
- series connection
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Abstract
A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter, the circuit breaker overcoming existing high-voltage combined electrical apparatus only installs 1 vacuum interrupter, the problem that between more voltage levels demand and compartment, ventilatory effect is not good and fail safe is lower can not be met, feature is 2 ~ 5 vacuum interrupters that are installed in series in tank body, 2 connection bus upper ends, left and right are connected with 2, left and right sharp knife contact, the outlet casing tube at corresponding sharp knife contact position installs sharp knife grounding contact, 2, left and right cutter operating mechanism is rapidly installed in tank body lower end, rotated by 2 sharp knife contacts about 2, the left and right rapidly drive of cutter operator link mechanism and realize cutter divide-shut brake rapidly, beneficial effect is, reduce the manufacture difficulty of vacuum interrupter, between compartment, ventilatory effect is good, the demand of more voltage levels can be tackled, ensure that circuit breaker has reliable ground connection, and between connection bus and sharp knife contact, obvious fracture is formed while ground connection, improve security performance.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, particularly for a kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter with dry air or nitrogen gas insulating of high-voltage system.
Background technology
Existing high-voltage combined electrical apparatus mesohigh circuit breaker many employings sulphur hexafluoride cut-offs medium as electric insulation and circuit, and a large amount of uses of sulphur hexafluoride, can pollution be produced to environment.For these reasons, adopt the vacuum technology of cut-offfing to cut-off circuit and obtain enforcement in high voltage field gradually, if the applicant is a kind of tank type high-pressure vacuum circuit breaker disclosed in ZL201110327141.0 patent in the patent No., it does not use sulfur hexafluoride gas to do to insulate, but, the technical scheme that it is taked installs 1 vacuum interrupter in circuit breaker, this structure can only meet the requirement of certain voltage grade, because single vacuum interrupter limits by current manufacturing technology condition, tackle more voltage levels time, if only use single vacuum interrupter, the volume of switchgear will be made excessive, cost is too high, to mechanism and the parts also corresponding increase volume of its supporting application, so just lose practical value, and this circuit breaker function ratio is more single.In order to meet the demand of more voltage levels, the applicant is the technical scheme that patent discloses a kind of employing 2 ~ 5 vacuum interrupters series connection uses of 201220223980.8 in the patent No., but, ventilate in the gap leaning on linear bearing and linear bearing to install through hole between 2 ~ 5 compartments in this technical scheme, because this gap is very little, ventilatory effect is not good.In addition, the tank type high-pressure vacuum circuit breaker of prior art does not have cutter mechanism rapidly, and fail safe is lower.
Summary of the invention
Technical problem to be solved in the utility model is, overcome the deficiencies in the prior art part, solve single vacuum interrupter to limit by current manufacturing technology condition, be not suitable for being applied to the problem of more voltage levels, and ventilatory effect is good and do not have cutter mechanism rapidly between multiple vacuum interrupter compartment, the problem that fail safe is lower, provides a kind of pot type high-voltage combined electrical apparatus with series connection vacuum interrupter.
The technical solution that the utility model adopts comprises left tank body, right tank body, pressure relief device, circuit breaker operation mechanism
,left outlet casing tube, left current transformer, right outlet casing tube, right current transformer, described left tank body and right tank body connect to form an overall tank body, be installed in series 2 ~ 5 vacuum interrupters in the tank body that described left tank body and right tank body connect to form, each vacuum interrupter has oneself vacuum extinction compartment, and be composed in series series connection vacuum interrupter compartment by 2 ~ 5 vacuum extinction compartments, left bucking electrode is connected at the front end housing of series connection vacuum interrupter compartment left end, described left bucking electrode is connected with left connection bus and little insulating cylinder simultaneously, left connection bus upper end is connected with left sharp knife contact, the left outlet casing tube at corresponding left sharp knife contact position installs left sharp knife grounding contact, be fixed on the left of little insulating cylinder on left tank body, be connected with the operation insulating bar in little insulating cylinder at the moving conductive rod of series connection vacuum interrupter compartment left end, with right connection bus and post insulator sub-connection the quiet electric conductor of end of series connection vacuum interrupter compartment right-hand member while, right connection bus upper end is connected with right sharp knife contact, the right outlet casing tube at corresponding right sharp knife contact position installs right sharp knife grounding contact, post insulator right-hand member is arranged on right tank body, connect in the middle of described series connection vacuum interrupter compartment on shielding flange and be processed with linear bearing installation through hole and air vent hole simultaneously, at an installation left side, left tank body lower end cutter operating mechanism rapidly, at the installation right side, right tank body lower end cutter operating mechanism rapidly, a described left side rapidly cutter operating mechanism are installed left side cutter operator link mechanism rapidly, the right side rapidly cutter operating mechanism are installed right side cutter operator link mechanism rapidly, described left sharp knife contact also with a left side rapidly cutter operator link mechanism be connected, described right sharp knife contact also with the right side rapidly cutter operator link mechanism be connected.
Be filled with dry air or the nitrogen of 0.01 ~ 0.1MPa in the Low Pressure Chamber that described series connection vacuum interrupter compartment and little insulating cylinder and left bucking electrode are formed, between the tank body that series connection vacuum interrupter compartment and left tank body and right tank body connect to form, be filled with 0.3 ~ 0.5MPa dry air or nitrogen.
Compared with prior art, the beneficial effects of the utility model are:
(1) 2 ~ 5 vacuum interrupter 8-1 are installed in series in tank body by the utility model, dry air or the nitrogen of low-pressure is filled with in the Low Pressure Chamber that connect vacuum interrupter compartment and little insulating cylinder and left bucking electrode are formed, dry air or the nitrogen of high pressure is filled with between the tank body that series connection vacuum interrupter compartment and left tank body 2-1 and right tank body 2-2 connect to form, 2 ~ 5 vacuum interrupters of connecting are allowed to be operated in the gas of low-pressure, thus effectively protect vacuum interrupter, and don't affect the insulation property of circuit breaker, which reduces the use of sulfur hexafluoride gas, also reduce the manufacture difficulty of vacuum interrupter, the demand of more voltage levels can be tackled, at left tank body and right tank body top, 1 cutter operating mechanism rapidly is respectively installed, and by a left side rapidly cutter operator link mechanism and the right side rapidly cutter operator link mechanism be connected with the right sharp knife contact of left sharp knife contact, close cutter rapidly when needed, can ensure that circuit breaker has reliable ground connection, due to about during cutter separating brake rapidly 2 rapidly cutter operating mechanism by 2, left and right rapidly cutter operator link mechanism drive 2 the sharp knife contact counter rotational movement in left and right, be connected with 2, left and right sharp knife grounding contact, realize cutter separating brake rapidly, between 2, left and right connection bus and 2, left and right sharp knife contact, obvious fracture is formed while ground connection, improve security performance.
(2) the utility model is owing to adopting application number cascaded structure disclosed in 201220223980.8 patents, little insulating cylinder, between left bucking electrode and series connection vacuum interrupter compartment three, inside communicates, form Low Pressure Chamber, and connecting in the middle of series connection vacuum interrupter compartment on shielding flange installs except through hole except being processed with linear bearing, reprocessing has air vent hole in addition, like this, ventilate in the gap not only leaning on linear bearing and linear bearing to install through hole between 2 ~ 5 vacuum interrupter compartments, more owing to there being obvious air vent hole, achieve good ventilatory effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is tank interior structure chart of the present utility model,
Fig. 3 is the A-A cutaway view Amplified image of Fig. 2.
In figure:
1.operation insulating bar
2-1.left tank body,
2-2.right tank body,
3-1.left connection bus,
3-2.right connection bus,
4.pressure relief device,
5.post insulator,
6-1.left sharp knife contact,
6-2.right sharp knife contact,
7-1. left sharp knife grounding contact,
7-2.right sharp knife grounding contact,
8.series connection vacuum interrupter compartment,
8-1. vacuum interrupter,
8-2. middle connection shields flange
8-3. front end housing,
8-4. moving conductive rod,
8-5. the quiet electric conductor of end,
8-6. air vent hole, through hole installed by 8-7. linear bearing,
9.left bucking electrode,
10.little insulating cylinder,
11-1.left outlet casing tube,
11-2.right outlet casing tube,
12-1.left current transformer,
12-2.right current transformer,
13.circuit breaker operation mechanism,
14-1.a left side is cutter operating mechanism rapidly,
14-2.the right side is cutter operating mechanism rapidly,
15-1.a left side is cutter operator link mechanism rapidly,
15-2.the right side is cutter operator link mechanism rapidly.
Embodiment
Embodiment of the present utility model is provided below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises left tank body 2-1 and right tank body 2-2, installs circuit breaker operation mechanism 13 at left tank body 2-1 left end
,left tank body 2-1 upper end is connected with left outlet casing tube 11-1, left outlet casing tube 11-1 installs left current transformer 12-1, right tank body 2-2 upper end is connected with right outlet casing tube 11-2, right outlet casing tube is installed right current transformer 12-2, at left tank body 2-1 lower end installation left side cutter operating mechanism 14-1 rapidly, at right tank body 2-2 lower end installation right side cutter operating mechanism 14-2 rapidly, left side cutter operator link mechanism 15-1 rapidly rapidly cutter operating mechanism 14-1 is installed in a left side, and the right side rapidly cutter operating mechanism 14-2 are installed right side cutter operator link mechanism 15-2 rapidly.
As shown in figures 2-3, described left tank body 2-1 and right tank body 2-2 links together the tank body formed a whole, be installed in series 2 ~ 5 vacuum interrupter 8-1 in the tank body that left tank body 2-1 and right tank body 2-2 connects to form, the application number adopting the applicant patented during practical application is cascaded structure disclosed in 201220223980.8 patents, namely be installed in series in the tank body connected to form at left tank body 2-1 and right tank body 2-2 2 ~ 5 vacuum interrupter 8-1, each vacuum interrupter has oneself vacuum extinction compartment, and be composed in series series connection vacuum interrupter compartment 8 by 2 ~ 5 vacuum extinction compartments, left bucking electrode 9 is connected at the front end housing 8-3 of series connection vacuum interrupter compartment 8 left end, described left bucking electrode 9 is connected with left connection bus 3-1 and little insulating cylinder 10 simultaneously, left connection bus 3-1 upper end is connected with left sharp knife contact 6-1, the left outlet casing tube 11-1 at corresponding left sharp knife contact 6-1 position installs left sharp knife grounding contact 7-1, described left sharp knife contact 6-1 also with a left side rapidly cutter operator link mechanism 15-1 be connected, be fixed on the left of little insulating cylinder 10 on left tank body 2-1, be connected with the operation insulating bar 1 in little insulating cylinder 10 at the moving conductive rod 8-4 of series connection vacuum interrupter compartment 8 left end, be connected with right connection bus 3-2 and post insulator 5 at the end quiet electric conductor 8-5 of series connection vacuum interrupter compartment 8 right-hand member simultaneously, right connection bus 3-2 upper end is connected with right sharp knife contact 6-2, the right outlet casing tube 11-2 at corresponding right sharp knife contact 6-2 position installs right sharp knife grounding contact 7-2, described right sharp knife contact 6-2 also with the right side rapidly cutter operator link mechanism 15-2 be connected, post insulator 5 right-hand member is arranged on right tank body 2-2, on the right side of right tank body 2-2, pressure relief device 4 is installed, owing to adopting application number cascaded structure disclosed in 201220223980.8 patents, described little insulating cylinder 10, between left bucking electrode 9 and series connection vacuum interrupter compartment 8 three, inside communicates, form Low Pressure Chamber, and connecting in the middle of series connection vacuum interrupter compartment 8 on shielding flange 8-2 installs except through hole 8-7 except being processed with linear bearing, reprocessing has air vent hole 8-6 in addition, like this, ventilate in the gap not only leaning on linear bearing and linear bearing to install through hole 8-7 between 2 ~ 5 vacuum extinction compartments, more owing to there being obvious air vent hole 8-6, achieve good ventilatory effect.
During use, dry air or the nitrogen of 0.01 ~ 0.1MPa is filled with in the Low Pressure Chamber that series connection vacuum interrupter compartment 8 and little insulating cylinder 10 and left bucking electrode 9 are formed, 0.3 ~ 0.5MPa dry air or nitrogen is filled with between series connection vacuum interrupter compartment 8 and tank body, during breaker closing, operating mechanism 13 drives operation insulating bar 1 to move right, the dynamic/static contact contact of vacuum interrupter realizes breaker closing, electric current is flowed into by left outlet casing tube 11-1, left connection bus 3-1 is flow to through left sharp knife contact 6-1, left bucking electrode 9 is flow to through left connection bus 3-1, right connection bus 3-2 is flow to through series connection vacuum interrupter compartment 8, right sharp knife contact 6-2 is flow to through right connection bus 3-2, flow out through right outlet casing tube 11-2, during breaker open operation, operating mechanism 13 drives operation insulating bar 1 to left movement, and dynamic/static contact is separated and realizes breaker open operation.When cutter closes a floodgate rapidly, cutter operator link mechanism 15-1 and 15-2 drive 2 the sharp knife contact 6-1 in left and right and the 6-2 rotary motion rapidly of 2, left and right is passed through in 2, left and right rapidly cutter operating mechanism 14-1 and 14-2, be connected with 2, left and right connection bus 3-1 and 3-2, realize cutter rapidly to close a floodgate, rapidly during cutter separating brake, 2, left and right cutter operator link mechanism 15-1 and 15-2 drive 2 the sharp knife contact 6-1 in left and right and 6-2 counter rotational movement is rapidly passed through in 2, left and right rapidly cutter operating mechanism 14-1 and 14-2, be connected with 2, left and right sharp knife grounding contact 7-1 and 7-2, realize cutter separating brake rapidly.
Claims (2)
1. there is an outdoor pot type high-voltage combined electrical apparatus for series connection vacuum interrupter, comprise left tank body (2-1), right tank body (2-2), pressure relief device (4), circuit breaker operation mechanism (13)
,left outlet casing tube (11-1), left current transformer (12-1), right outlet casing tube (11-2), right current transformer (12-2), described left tank body (2-1) and right tank body (2-2) connect to form an overall tank body, it is characterized in that, be installed in series 2 ~ 5 vacuum interrupters (8-1) in the tank body that described left tank body (2-1) and right tank body (2-2) connect to form, each vacuum interrupter has oneself vacuum extinction compartment, and be composed in series series connection vacuum interrupter compartment (8) by 2 ~ 5 vacuum extinction compartments, left bucking electrode (9) is connected at the front end housing (8-3) of series connection vacuum interrupter compartment (8) left end, described left bucking electrode (9) is connected with left connection bus (3-1) and little insulating cylinder (10) simultaneously, left connection bus (3-1) upper end is connected with left sharp knife contact (6-1), the left outlet casing tube (11-1) at corresponding left sharp knife contact (6-1) position is upper installs left sharp knife grounding contact (7-1), little insulating cylinder (10) left side is fixed on left tank body (2-1), be connected with the operation insulating bar (1) in little insulating cylinder (10) at the moving conductive rod (8-4) of series connection vacuum interrupter compartment (8) left end, be connected with right connection bus (3-2) and post insulator (5) at the quiet electric conductor of end (8-5) of series connection vacuum interrupter compartment (8) right-hand member simultaneously, right connection bus (3-2) upper end is connected with right sharp knife contact (6-2), the right outlet casing tube (11-2) at corresponding right sharp knife contact (6-2) position is upper installs right sharp knife grounding contact (7-2), post insulator (5) right-hand member is arranged on right tank body (2-2), connect in the middle of described series connection vacuum interrupter compartment (8) in shielding flange (8-2) and be processed with linear bearing installation through hole (8-7) and air vent hole (8-6) simultaneously, at an installation left side, left tank body (2-1) lower end cutter operating mechanism (14-1) rapidly, at the installation right side, right tank body (2-2) lower end cutter operating mechanism (14-2) rapidly, on a described left side, cutter operating mechanism (14-1) is upper rapidly installs left side cutter operator link mechanism (15-1) rapidly, on the right side, cutter operating mechanism (14-2) is upper rapidly installs right side cutter operator link mechanism (15-2) rapidly, described left sharp knife contact (6-1) also with a left side rapidly cutter operator link mechanism (15-1) be connected, described right sharp knife contact (6-2) also with the right side rapidly cutter operator link mechanism (15-2) be connected.
2. according to claim 1 a kind of have series connection vacuum interrupter outdoor pot type high-voltage combined electrical apparatus, it is characterized in that, in the Low Pressure Chamber that described series connection vacuum interrupter compartment (8) and little insulating cylinder (10) and left bucking electrode (9) are formed, be filled with dry air or the nitrogen of 0.01 ~ 0.1MPa, between the tank body that connect vacuum interrupter compartment (8) and left tank body (2-1) and right tank body (2-2) connect to form, be filled with 0.3 ~ 0.5MPa dry air or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411511.8U CN204046040U (en) | 2014-07-24 | 2014-07-24 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411511.8U CN204046040U (en) | 2014-07-24 | 2014-07-24 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046040U true CN204046040U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420411511.8U Expired - Fee Related CN204046040U (en) | 2014-07-24 | 2014-07-24 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204046040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124638A (en) * | 2014-07-24 | 2014-10-29 | 沈阳华德海泰电器有限公司 | Outdoor pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series |
| CN111627748A (en) * | 2020-05-25 | 2020-09-04 | 大连理工大学 | Double-break heterogeneous arc extinguishing chamber based on speed regulation |
-
2014
- 2014-07-24 CN CN201420411511.8U patent/CN204046040U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124638A (en) * | 2014-07-24 | 2014-10-29 | 沈阳华德海泰电器有限公司 | Outdoor pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series |
| CN104124638B (en) * | 2014-07-24 | 2016-09-21 | 沈阳华德海泰电器有限公司 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
| CN111627748A (en) * | 2020-05-25 | 2020-09-04 | 大连理工大学 | Double-break heterogeneous arc extinguishing chamber based on speed regulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170724 |