CN104124638B - 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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- CN104124638B CN104124638B CN201410354537.8A CN201410354537A CN104124638B CN 104124638 B CN104124638 B CN 104124638B CN 201410354537 A CN201410354537 A CN 201410354537A CN 104124638 B CN104124638 B CN 104124638B
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- rapidly
- tank body
- cutter
- sharp knife
- vacuum interrupter
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 10
- 230000008033 biological extinction Effects 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000003519 ventilatory effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910018503 SF6 Inorganic materials 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000012958 reprocessing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
nullA kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter，The chopper overcoming existing high-voltage combined electrical apparatus only installs 1 vacuum interrupter，The problem that ventilatory effect between higher voltage level requirements and compartment is the best and safety is relatively low can not be met，Feature is 2～5 vacuum interrupters that are installed in series in tank body，2, left and right connects bus upper end and is connected with 2, left and right sharp knife contact，On the outlet casing tube at corresponding sharp knife contact position, sharp knife grounding contact is installed，2 cutter operating mechanisms rapidly about tank body lower end is installed，Rotated by 2 sharp knife contacts about the drive of 2, left and right cutter operator link mechanism rapidly and realize cutter divide-shut brake rapidly，Provide the benefit that，Reduce the manufacture difficulty of vacuum interrupter，Between compartment, ventilatory effect is good，The demand of higher voltage grade can be tackled，Ensure that chopper has reliable ground connection，And between connection bus and sharp knife contact, form obvious fracture while ground connection，Improve security performance.
Description
Technical field
The invention belongs to high voltage electrical apparatus technical field, exhausted with dry air or nitrogen particularly to for high-voltage system
A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter of edge.
Background technology
Existing high-voltage combined electrical apparatus mesohigh chopper many employings sulfur hexafluoride cut-offs medium as electric insulation and circuit,
And a large amount of uses of sulfur hexafluoride, environment can be produced pollution.For these reasons, use the vacuum technology of cut-offfing cut-off circuit by
Gradually implemented in high voltage field, such as the applicant's one disclosed in Patent No. ZL201110327141.0 patent
Tank type high-pressure vacuum circuit breaker, it does not use sulfur hexafluoride gas to do to insulate, but, it adopts the technical scheme that at chopper
1 vacuum interrupter of middle installation, this structure can only meet the requirement of certain voltage grade, owing to single vacuum interrupter is by mesh
Front manufacturing technology condition limits, and when tackling higher voltage grade, if only using single vacuum interrupter, will make switchgear
Volume excessive, cost is the highest, the most corresponding to the mechanism of its supporting application and parts increases volume, so just losing practicality
It is worth, and this chopper function is more single.In order to meet the demand of higher voltage grade, the applicant is in Patent No.
The patent of 201220223980.8 discloses a kind of technical scheme using 2～5 vacuum interrupters to be used in series, but, should
Technical scheme is installed the gap ventilation of through hole by linear bearing and linear bearing, due to this gap very between 2～5 compartments
Little, ventilatory effect is the best.Additionally, the tank type high-pressure vacuum circuit breaker of prior art does not have cutter mechanism rapidly, safety is relatively
Low.
Summary of the invention
The technical problem to be solved is, in place of overcoming the deficiencies in the prior art, solves single vacuum interrupter
Limited by current manufacturing technology condition, be not suitable for being applied to the problem of higher voltage grade, and multiple vacuum interrupter every
Between room, ventilatory effect is the best and does not have cutter mechanism rapidly, the problem that safety is relatively low, it is provided that one has series connection vacuum and goes out
The pot type high-voltage combined electrical apparatus of arc chamber.
The technical solution that the present invention uses includes left tank body, right tank body, pressure relief device, circuit breaker operation mechanism, a left side
Outlet casing tube, left current transformer, right outlet casing tube, right current transformer, described left tank body and right tank body connect composition one
Overall tank body, be installed in series in described left tank body and right tank body connect the tank body of composition 2～5 vacuum interrupters, each
Vacuum interrupter has the vacuum extinction compartment of oneself, and is composed in series series connection vacuum interrupter by 2～5 vacuum extinction compartments
Compartment, at the drive end bearing bracket left bucking electrode of connection of series connection vacuum interrupter compartment left end, with left company while of described left bucking electrode
Connecing bus and little insulating cylinder connects, left connection bus upper end is connected with left sharp knife contact, and the left side at corresponding left sharp knife contact position goes out
Left sharp knife grounding contact is installed on thread casing, is fixed on the left of little insulating cylinder on left tank body, left at series connection vacuum interrupter compartment
The moving conductive rod of end is connected with the operation insulating bar in little insulating cylinder, in the quiet conduction of end of series connection vacuum interrupter compartment right-hand member
Body is connected bus with right simultaneously and support insulator connects, and right connection bus upper end is connected with right sharp knife contact, corresponding right sharp knife
Installing right sharp knife grounding contact on the right outlet casing tube at contact position, support insulator right-hand member is arranged on right tank body, described
Connect in the middle of series connection vacuum interrupter compartment and on shielding flange, be machined with linear bearing installation through hole and passage simultaneously, on a left side
An installation left side, tank body lower end cutter operating mechanism rapidly, at the installation right side, right tank body lower end cutter operating mechanism rapidly, fast on a described left side
On speed ground cutter operating mechanism, left side cutter operator link mechanism rapidly is installed, the right side is installed rapidly in the right side rapidly cutter operating mechanism
Cutter operator link mechanism, described left sharp knife contact is also connected with left side cutter operator link mechanism rapidly, and described right sharp knife contact is also
Cutter operator link mechanism rapidly is connected with the right side, rapidly cutter close a floodgate time, 2, left and right cutter operating mechanism (14-1) rapidly and
(14-2) by 2, left and right cutter operator link mechanism (15-1) rapidly and (15-2) drive about 2 sharp knife contacts (6-1) and
(6-2) rotary motion, is connected bus (3-1) with 2, left and right and (3-2) connects, it is achieved cutter closes a floodgate rapidly, cutter separating brake rapidly
Time, 2, left and right cutter operating mechanism (14-1) rapidly and (14-2) are by 2, left and right cutter operator link mechanism (15-1) rapidly
(15-2) 2 sharp knife contacts (6-1) and (6-2) counter rotational movement about drive, with 2, left and right sharp knife grounding contact (7-
1) connect with (7-2), it is achieved cutter separating brake rapidly.
The Low Pressure Chamber that described series connection vacuum interrupter compartment and little insulating cylinder and left bucking electrode are formed is filled with 0.01
～the dry air of 0.1MPa or nitrogen, series connection vacuum interrupter compartment be connected with left tank body and right tank body the tank body that forms it
Between be filled with 0.3～0.5MPa dry air or nitrogen.
Compared with prior art, the invention has the beneficial effects as follows:
(1) 2～5 vacuum interrupter 8-1 are installed in series in tank body by the present invention, series connection vacuum interrupter compartment with
The Low Pressure Chamber that little insulating cylinder and left bucking electrode are formed is filled with dry air or the nitrogen of low-pressure, vacuum interrupter of connecting
Compartment is connected dry air or the nitrogen being filled with high pressure between the tank body formed with left tank body 2-1 and right tank body 2-2, allows 2～5
The vacuum interrupter of series connection is operated in the gas of low-pressure, thus is effectively protected vacuum interrupter, and don't impact is disconnected
The insulating properties of road device, which reduces the use of sulfur hexafluoride gas, also reduce the manufacture difficulty of vacuum interrupter, can
To tackle the demand of higher voltage grade, at left tank body and right tank body top, 1 cutter operating mechanism rapidly is respectively installed, and passes through
A left side cutter operator link mechanism and the right side rapidly cutter operator link mechanism rapidly is connected with left sharp knife contact right sharp knife contact,
Cutter rapidly is closed, it is ensured that chopper has reliable ground connection, owing to 2 quickly about during cutter separating brake rapidly when needing
Ground cutter operating mechanism passes through 2 sharp knife contact counter rotational movement about the drive of 2, left and right cutter operator link mechanism rapidly, with
2, left and right sharp knife grounding contact connects, it is achieved cutter separating brake rapidly, connects bus and left and right 2 while ground connection 2, left and right
Form obvious fracture between individual sharp knife contact, improve security performance.
(2) due to the fact that cascaded structure disclosed in employing Application No. 201220223980.8 patent, little insulating cylinder, a left side
Between bucking electrode and series connection vacuum interrupter compartment three, inside communicates, and forms Low Pressure Chamber, and in series connection vacuum extinction
Connecting in the middle of the compartment of room on shielding flange in addition to being machined with linear bearing and installing through hole, additionally reprocessing has passage, this
Sample, not only installs the gap ventilation of through hole by linear bearing and linear bearing between 2～5 vacuum interrupter compartments, more due to
There is obvious passage, achieve preferable ventilatory effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the tank interior structure chart of the present invention,
Fig. 3 is the A-A cutaway view Amplified image of Fig. 2.
In figure:
1. operation insulating bar
The left tank body of 2-1., the right tank body of 2-2.,
3-1. left connection bus, 3-2. right connection bus,
4. pressure relief device, 5. support 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, connects shielding flange in the middle of 8-2.
8-3. drive end bearing bracket, 8-4. moving conductive rod,
The quiet electric conductor of 8-5. end, 8-6. passage, 8-7. linear bearing installation through hole,
The most left bucking electrode, the least insulating cylinder,
The left outlet casing tube of 11-1., the right outlet casing tube of 11-2.,
The left current transformer of 12-1., the right current transformer of 12-2.,
13. circuit breaker operation mechanisms,
14-1. left side cutter operating mechanism rapidly, 14-2. right side cutter operating mechanism rapidly,
15-1. left side cutter operator link mechanism rapidly, 15-2. right side cutter operator link mechanism rapidly.
Detailed description of the invention
The detailed description of the invention of the present invention is provided below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present invention includes left tank body 2-1 and right tank body 2-2, at left tank body 2-1 left end, chopper behaviour is installed
Making mechanism 13, left tank body 2-1 upper end is connected with left outlet casing tube 11-1, installs left current transformer on left outlet casing tube 11-1
12-1, right tank body 2-2 upper end is connected with right outlet casing tube 11-2, installs right current transformer 12-2 on right outlet casing tube,
Left tank body 2-1 lower end installation left side cutter operating mechanism 14-1 rapidly, at the right installation right side, tank body 2-2 lower end cutter operating mechanism rapidly
14-2, left side cutter operating mechanism 14-1 rapidly installs left side cutter operator link mechanism 15-1 rapidly, the cutter operation rapidly on the right side
Right side cutter operator link mechanism 15-2 rapidly is installed on mechanism 14-2.
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,
Left tank body 2-1 and right tank body 2-2 connects 2～5 the vacuum interrupter 8-1 that are installed in series in the tank body formed, and adopts during actual application
With cascaded structure disclosed in patented Application No. 201220223980.8 patent of the applicant, i.e. at left tank body 2-1 and
Right tank body 2-2 connects 2～5 the vacuum interrupter 8-1 that are installed in series in the tank body formed, and each vacuum interrupter has oneself
Vacuum extinction compartment, and it is composed in series series connection vacuum interrupter compartment 8 by 2～5 vacuum extinction compartments, in series connection vacuum extinction
The drive end bearing bracket 8-3 of room compartment 8 left end connects left bucking electrode 9, described left bucking electrode 9 simultaneously with the left bus 3-1 and little of being connected
Insulating cylinder 10 connects, and left connection bus 3-1 upper end is connected with left sharp knife contact 6-1, and the left side at corresponding left sharp knife contact 6-1 position goes out
On thread casing 11-1 install left sharp knife grounding contact 7-1, described left sharp knife contact 6-1 also with left side cutter operator link machine rapidly
Structure 15-1 connects, and is fixed on left tank body 2-1 on the left of little insulating cylinder 10, at the moving conductive of series connection vacuum interrupter compartment 8 left end
Bar 8-4 is connected with the operation insulating bar 1 in little insulating cylinder 10, at the quiet electric conductor of end of series connection vacuum interrupter compartment 8 right-hand member
8-5 is connected bus 3-2 with right simultaneously and support insulator 5 connects, and right connection bus 3-2 upper end is connected with right sharp knife contact 6-2,
On the right outlet casing tube 11-2 at corresponding right sharp knife contact 6-2 position, right sharp knife grounding contact 7-2, described right sharp knife contact 6-are installed
2 are also connected with right side cutter operator link mechanism 15-2 rapidly, and support insulator 5 right-hand member is arranged on right tank body 2-2, at right tank body
Pressure relief device 4 is installed on the right side of 2-2, owing to using cascaded structure disclosed in Application No. 201220223980.8 patent, described little
Between insulating cylinder 10, left bucking electrode 9 and series connection vacuum interrupter compartment 8 three, inside communicates, formation Low Pressure Chamber, and
Connect in the middle of series connection vacuum interrupter compartment 8 on shielding flange 8-2 in addition to being machined with linear bearing and through hole 8-7 is installed, separately
Outer reprocessing has passage 8-6, so, not only installs logical by linear bearing and linear bearing between 2～5 vacuum extinction compartments
The gap ventilation of hole 8-7, more owing to there being obvious passage 8-6, achieves preferable ventilatory effect.
During use, in the Low Pressure Chamber that series connection vacuum interrupter compartment 8 and little insulating cylinder 10 and left bucking electrode 9 are formed
It is filled with dry air or the nitrogen of 0.01～0.1MPa, between series connection vacuum interrupter compartment 8 and tank body, is filled with 0.3～0.5MPa
Dry air or nitrogen, during breaker closing, operating mechanism 13 drives operation insulating bar 1 to move right, moving of vacuum interrupter
Static contact contact realizes breaker closing, and electric current is flowed into by left outlet casing tube 11-1, flow to left connection mother through left sharp knife contact 6-1
Line 3-1, flow to left bucking electrode 9 through left connection bus 3-1, is concatenated vacuum interrupter compartment 8 and flow to right connection bus 3-2,
It flow to right sharp knife contact 6-2 through right connection bus 3-2, flow out through right outlet casing tube 11-2；During breaker open operation, operating mechanism 13
Operation insulating bar 1 is driven to separate realize breaker open operation to left movement, dynamic/static contact.When cutter closes a floodgate rapidly, 2, left and right is quick
Ground cutter operating mechanism 14-1 and 14-2 is fast by about 2, left and right cutter operator link mechanism 15-1 and 15-2 rapidly drive 2
Cutter contact 6-1 and 6-2 rotary motion, be connected bus 3-1 and 3-2 and connect, it is achieved cutter closes a floodgate rapidly, rapidly with 2, left and right
During cutter separating brake, 2, left and right cutter operating mechanism 14-1 and 14-2 rapidly passes through 2, left and right cutter operator link mechanism 15-1 rapidly
With 2 sharp knife contact 6-1 and 6-2 counter rotational movement about 15-2 drive, connect with 2, left and right sharp knife grounding contact 7-1 and 7-2
Connect, it is achieved cutter separating brake rapidly.
Claims (2)
1. there is an outdoor pot type high-voltage combined electrical apparatus for series connection vacuum interrupter, including 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
Sleeve pipe (11-2), right current transformer (12-2), described left tank body (2-1) and right tank body (2-2) connection form a whole
Tank body, be installed in series in described left tank body (2-1) and right tank body (2-2) connect the tank body of composition 2～5 vacuum interrupters
(8-1), each vacuum interrupter has the vacuum extinction compartment of oneself, and is composed in series series connection by 2～5 vacuum extinction compartments
Vacuum interrupter compartment (8), the drive end bearing bracket (8-3) at series connection vacuum interrupter compartment (8) left end connects left bucking electrode (9),
Described left bucking electrode (9) is connected bus (3-1) with left simultaneously and little insulating cylinder (10) connects, left connection bus (3-1) upper end
Being connected with left sharp knife contact (6-1), the left outlet casing tube (11-1) at corresponding left sharp knife contact (6-1) the position left sharp knife of upper installation connects
Ground contact (7-1), little insulating cylinder (10) left side is fixed on left tank body (2-1), at series connection vacuum interrupter compartment (8) left end
Moving conductive rod (8-4) be connected with the operation insulating bar (1) in little insulating cylinder (10), right in series connection vacuum interrupter compartment (8)
The quiet electric conductor of the end (8-5) of end is connected bus (3-2) with right simultaneously and support insulator (5) connects, right connection bus (3-2)
Upper end is connected with right sharp knife contact (6-2), and the right outlet casing tube (11-2) at corresponding right sharp knife contact (6-2) position is upper installs the right side soon
Cutter grounding contact (7-2), support insulator (5) right-hand member is arranged on right tank body (2-2), it is characterised in that true in described series connection
Connect in the middle of empty arc-chutes compartment (8) and in shielding flange (8-2), be machined with linear bearing installation through hole (8-7) and ventilation simultaneously
Hole (8-6), at an installation left side, left tank body (2-1) lower end cutter operating mechanism (14-1) rapidly, installs the right side in 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 rapidly
Mechanism (15-1), on the right side, right side cutter operator link mechanism (15-2) rapidly above installed by cutter operating mechanism (14-2) rapidly, described
Left sharp knife contact (6-1) is also connected with left side cutter operator link mechanism (15-1) rapidly, described right sharp knife contact (6-2) also with the right side
Rapidly cutter operator link mechanism (15-2) connect, rapidly cutter close a floodgate time, 2, left and right cutter operating mechanism (14-1) rapidly and
(14-2) by 2, left and right cutter operator link mechanism (15-1) rapidly and (15-2) drive about 2 sharp knife contacts (6-1) and
(6-2) rotary motion, is connected bus (3-1) with 2, left and right and (3-2) connects, it is achieved cutter closes a floodgate rapidly, cutter separating brake rapidly
Time, 2, left and right cutter operating mechanism (14-1) rapidly and (14-2) are by 2, left and right cutter operator link mechanism (15-1) rapidly
(15-2) 2 sharp knife contacts (6-1) and (6-2) counter rotational movement about drive, with 2, left and right sharp knife grounding contact (7-
1) connect with (7-2), it is achieved cutter separating brake rapidly.
A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter, its feature exists
In, fill 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
Enter dry air or the nitrogen of 0.01～0.1MPa, at series connection vacuum interrupter compartment (8) and left tank body (2-1) and right tank body
(2-2) connect and be filled with 0.3～0.5MPa dry air or nitrogen between the tank body of composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354537.8A CN104124638B (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 |
|---|---|---|---|
| CN201410354537.8A CN104124638B (en) | 2014-07-24 | 2014-07-24 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104124638A CN104124638A (en) | 2014-10-29 |
| CN104124638B true CN104124638B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354537.8A Active CN104124638B (en) | 2014-07-24 | 2014-07-24 | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter |
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| Country | Link |
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| CN (1) | CN104124638B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410087B (en) * | 2021-06-17 | 2023-06-20 | 西安西电开关电气有限公司 | Compact high-voltage tank type quick mechanical combined switch equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360987A (en) * | 2011-10-25 | 2012-02-22 | 沈阳华德海泰电器有限公司 | Tank type high-pressure vacuum circuit breaker |
| CN102403668A (en) * | 2011-10-25 | 2012-04-04 | 沈阳华德海泰电器有限公司 | High-voltage combined electrical apparatus |
| CN102683100A (en) * | 2012-05-18 | 2012-09-19 | 沈阳华德海泰电器有限公司 | Serial connection structure of high-voltage vacuum arc extinguish chambers |
| CN204046040U (en) * | 2014-07-24 | 2014-12-24 | 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19958645C5 (en) * | 1999-12-06 | 2011-05-26 | Abb Technology Ag | Hybrid circuit breaker |
-
2014
- 2014-07-24 CN CN201410354537.8A patent/CN104124638B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360987A (en) * | 2011-10-25 | 2012-02-22 | 沈阳华德海泰电器有限公司 | Tank type high-pressure vacuum circuit breaker |
| CN102403668A (en) * | 2011-10-25 | 2012-04-04 | 沈阳华德海泰电器有限公司 | High-voltage combined electrical apparatus |
| CN102683100A (en) * | 2012-05-18 | 2012-09-19 | 沈阳华德海泰电器有限公司 | Serial connection structure of high-voltage vacuum arc extinguish chambers |
| CN204046040U (en) * | 2014-07-24 | 2014-12-24 | 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 |
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| CN104124638A (en) | 2014-10-29 |
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Denomination of invention: Outdoor pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series Effective date of registration: 20171227 Granted publication date: 20160921 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: 2017210000027 |
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Denomination of invention: Outdoor pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series Effective date of registration: 20200610 Granted publication date: 20160921 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2020210000026 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An outdoor tank type high-voltage combined electrical appliance with a series vacuum arc extinguishing chamber Effective date of registration: 20230607 Granted publication date: 20160921 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2023210000139 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160921 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2023210000139 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An outdoor tank type high-voltage combination electrical appliance with a series connected vacuum arc extinguishing chamber Granted publication date: 20160921 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2024210000051 |