CN105070580B - Side-mounted high-voltage vacuum circuit breaker - Google Patents
Side-mounted high-voltage vacuum circuit breaker Download PDFInfo
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- CN105070580B CN105070580B CN201510417104.7A CN201510417104A CN105070580B CN 105070580 B CN105070580 B CN 105070580B CN 201510417104 A CN201510417104 A CN 201510417104A CN 105070580 B CN105070580 B CN 105070580B
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- Prior art keywords
- rotary head
- plug
- drive
- leading screw
- driving
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
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Abstract
The invention relates to the field of power transmission and power distribution equipment, and discloses a side-mounted high-voltage vacuum circuit breaker. The side-mounted high-voltage vacuum circuit breaker comprises an automatic removable secondary inserting system and a primary conductive loop accessing system which is controlled by the automatic removable secondary inserting system. According to the side-mounted high-voltage vacuum circuit breaker, manual and automatic integrated operation control is adopted, namely the control modes comprise electric control and manual control. More convenient operation and higher stability in mechanical transmission area realized. The automatic removable secondary inserting system has advantages of simple operation, high automation degree, and no easy damage of a secondary wire and a socket. The automatic removable secondary inserting system can realize complete on-and-off on the secondary wire. Furthermore the automatic removable secondary inserting system is provided with a main driving mechanism which is suitable for driving a secondary plug and a primary conductive loop for conduction, and a testing driving mechanism which is suitable for driving the secondary plug to perform individual operation, thereby facilitating secondary plugging test.
Description
Technical field
The present invention relates to controller switching equipment field of transmitting electricity, more particularly to a kind of side-mounted high-pressure vacuum breaker.
Background technology
In the prior art, the secondary line socket of former side-mounted circuit breaker switch cabinet can not be removed automatically, with cabinet rear socket one
"on" position is directly in, can only be by single closing mode, or manually plug, operational hazards, and manual operation are frequently held
It is easily caused secondary line damage.
Also, normal circuit breaker and disconnection switch cabinet take up room greatly, and mechanical mechanism complexity is loaded down with trivial details, take up room big；
And normal circuit breaker and disconnection switch cabinet insulate without integral type, galvanic circle it is exposed in atmosphere between, easily cause danger.
The content of the invention
It is an object of the invention to provide a kind of side-mounted high-pressure vacuum breaker, to realize automatic plug secondary-plug, it is to avoid
The technical problem for plugging manually.
In order to solve above-mentioned technical problem, the invention provides a kind of side-mounted high-pressure vacuum breaker, including shifting automatically
Open type secondary-plug system, and by the primary conductive loop access system of the automatic withdraw-type secondary-plug system control.
Further, the automatic withdraw-type secondary-plug system includes secondary plug, Secondary socket, is suitable to drive secondary plug
And primary conductive loop the access system main driving mechanism connected and the Test driver machine for being suitable to drive secondary plug to individually turn on
Structure.
Further, the main driving mechanism includes：Slide block that leading screw, slide plate and the leading screw coordinate, it is suitable to drive leading screw to turn
Dynamic driving means, moving block, the sliding seat of fixed secondary plug；When driving means drive leading screw to rotate, leading screw drives to be slided
Block is moved, and the slide block drives moving block to rotate by connector, and the moving block drives slide plate to drive sliding seat movement, so that institute
In stating secondary plug insertion Secondary socket；And the silk is provided with sprocket wheel, and control primary conductive time is rotated by the sprocket wheel
Road access system is connected.
Further, the driving means include：Vidacare corp and/or manual driving device；Wherein described electronic drive
Dynamic device adopts motor, and the motor is rotated by gear set drive leading screw；The manual driving device, i.e., the one of the leading screw
End is provided with main crank rotary head.
Further, the rotating shaft in the gear train is provided with arrangement of clutch, and the arrangement of clutch includes：Rotating wheel, rotation
Wheel, and stage clip is provided between rotating wheel, rotating wheel；The edge of wherein described rotating wheel is stuck in an angularly disposed guide rail；When
When the arrangement of clutch is separated, i.e., described guide rail makes rotating wheel separate with rotating wheel along the edge radial displacement of rotating wheel.
Further, the Test driver mechanism includes：Test rotating shaft, the test rotating shaft is provided with tooth through one end of slide plate
Wheel, the other end is provided with test crank rotary head, and the tooth bar being engaged with the gear is provided with the sliding seat, is suitable for turning in test
When axle is rotated, slide plate is maintained static, while driving the sliding seat to drive in secondary plug insertion Secondary socket.
Further, the driving means include manual driving device, i.e., described main crank rotary head, test crank rotary head are located at
The inner side of one sideboard, and sideboard is provided with main crank rotary head, the elongated handle hole of test crank rotary head；The activity
One end of baffle plate is hinged by connecting rod with sliding seat, and the intermediate rotary shaft of connecting rod is on slide plate；Rotate in the rotary head of test crank
When, the connecting rod drives sideboard movement by sliding seat movement, makes the elongated handle hole displacement of main crank rotary head to cover
Main crank rotary head.
Further, primary conductive loop access system includes：Isolation switch, copper contact arm, screw mechanism, insulating bar,
With the drive mechanism that the sprocket wheel coordinates transmission；The copper contact arm is located on insulating bar, and the drive mechanism is suitable to control leading screw
Mechanism drives insulating bar to drive copper contact arm to rise, so that isolation switch is connected.
Beneficial effects of the present invention：This side-mounted high-pressure vacuum breaker adopts auto-manual operational control, i.e., comprising electricity
Dynamic to control and control with manual, more convenient operation, machine driving is stable；Automatically withdraw-type secondary-plug system operatio is simple, automatically
Change degree is high, and secondary line and socket are not allowed fragile, and by mechanical manipulation the complete break-make of secondary line can be realized；And automatic
It is additionally provided with withdraw-type secondary-plug system and is suitable to drive secondary plug and the main driving mechanism of primary conductive loop connection and be suitable to
The Test driver mechanism for driving secondary plug to individually turn on, in order to complete secondary-plug test is connected.
Description of the drawings
Fig. 1 shows the overall structure figure of the side-mounted high-pressure vacuum breaker of the present invention；
Fig. 2 shows the structural representation one of the automatic withdraw-type secondary-plug system of the present invention；
Fig. 3 shows the structural representation two of the automatic withdraw-type secondary-plug system of the present invention；
Fig. 4 shows the arrangement of clutch of the present invention and the structural representation of part associated mechanisms.
Fig. 5 shows the partial schematic diagram of the primary conductive loop access system of the present invention.
In figure：
Automatic withdraw-type secondary-plug system 1；
Leading screw 101, slide block 102, moving block 103, sliding seat 104, connector 105, slide plate 106, sprocket wheel 107, motor
108th, main crank rotary head 109；
Test rotating shaft 110, gear 111, test crank rotary head 112, tooth bar 113；
Arrangement of clutch 120, rotating wheel 121, rotating wheel 122, stage clip 123, guide rail 124, support 125, door-plate 126；
Sideboard 130, connecting rod 131, intermediate rotary shaft 132,
Reduction box 140, bevel gear set 141, first rotating shaft 142, the second rotating shaft 143, the 3rd rotating shaft 144；
Primary conductive loop access system 2；
Isolation switch 200, copper contact arm 210, screw mechanism 220, driving insulating bar 230；
Secondary plug 3；
Secondary socket 4.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
Fig. 1 shows the overall structure figure of the side-mounted high-pressure vacuum breaker of the present invention.
As shown in figure 1, the invention provides a kind of side-mounted high-pressure vacuum breaker, including：Automatic withdraw-type secondary-plug
System 1, and the primary conductive loop access system 2 controlled by the automatic withdraw-type secondary-plug system 1.
Fig. 2 shows the structural representation one of the automatic withdraw-type secondary-plug system of the present invention.
Fig. 3 shows the structural representation two of the automatic withdraw-type secondary-plug system of the present invention.In order to preferably solve in Fig. 3
Release each corresponding component of the automatic withdraw-type secondary-plug system in secondary plug 3 inserts Secondary socket 4 involved by the course of work
The direction of motion, with F1 the direction of motion of slide block 102 and connector 105 is represented, with F2 the rotation direction of moving block 103, F3 are represented
Represent the direction of motion of sliding seat 104.
As shown in Figures 2 and 3, specifically, the automatic withdraw-type secondary-plug system 1 includes secondary plug 3, Secondary socket
4th, it is suitable to the main driving mechanism of driving secondary plug 3 and the connection of primary conductive circuit system 2 and is suitable to drive secondary plug 3 independent
The Test driver mechanism of connection.
Wherein, the main driving mechanism includes：Slide block 102 that leading screw 101, slide plate 106 and the leading screw 101 coordinate, it is suitable to
Drive driving means, moving block 103, the sliding seat 104 of fixed secondary plug 3 that leading screw 101 is rotated；Further, the slide block
There is feed screw nut in 102, rotated by screw mandrel 101, band movable slider 102, connector 105 are moved along screw mandrel 101.
Specifically, when driving means drive leading screw 101 to rotate, leading screw 101 moves (such as F1 directions) with movable slider 102,
The slide block 102 drives moving block 103 to rotate in (such as F2 directions) by connector 105, and the moving block 103 drives slide plate 106 to drive
Dynamic sliding seat 104 moves (such as F3 directions), so that 4 in the insertion Secondary socket of the secondary plug 3；And on the leading screw 101
Sprocket wheel 107 is provided with, and control primary conductive loop access system 2 is rotated by the sprocket wheel 107 and connected, specifically, the sprocket wheel
107 are provided with chain (being not drawn in Fig. 2 and Fig. 3), the drive mechanism being driven by chain interoperation, are connect with controlling primary conductive loop
Enter system 2 to connect, with regard to accordingly being said in the concrete structure embodiment below of primary conductive loop access system 2
It is bright.
Also, with regard to connector 105, slide plate 106 and the connected mode of moving block 103, such as but not limited to adopt：Connection
It is recess at part 105, slide plate 106 and the cooperation of moving block 103, and the two ends end of moving block 103 is circular arc, and positioned at corresponding
In recess, and the body of the moving block 103 is provided with rotating shaft, when connector 105 is moved along F1 directions, the moving block
103 along the movement of F2 directions, and then drives slide plate 106 to move along F3 directions, and slide plate 106 drives sliding seat 104 also to move along F3 directions
It is dynamic.
A kind of preferred embodiment as the driving means, the driving means include：Vidacare corp and/or
Manual driving device；Wherein described Vidacare corp adopts motor 108, the motor to rotate by gear set drive leading screw 101；
The manual driving device, i.e., be provided with main crank rotary head 109 in one end of the leading screw 101.
Wherein, the rotary shaft of the motor 108 is also associated with reduction box 140, and the gear train includes：Bevel gear set 141,
First rotating shaft 142, the second rotating shaft 143, the 3rd rotating shaft 144；The specific work process of the gear train, i.e., described motor 108
Rotary shaft by reduction box 140 deceleration after, successively control bevel gear set 141, first rotating shaft 142, the second rotating shaft 143, the 3rd turn
Axle 144 coordinates linkage by corresponding gear, and the 3rd rotating shaft 144 is by corresponding gear and the tooth for being located at the shaft end of leading screw 101
Wheel coordinates, and is rotated with movable sprocket 107 with controlling leading screw 101.
Fig. 4 shows the arrangement of clutch of the present invention and the structural representation of part associated mechanisms.
As shown in figure 4, further, in order that in manual operation, it is to avoid Vidacare corp produces shadow to manual operation
Ring, the rotating shaft in the gear train is provided with arrangement of clutch 120, and the arrangement of clutch 120 includes：Rotating wheel 121, rotating wheel
Stage clip 123 is provided between 122, and rotating wheel 121, rotating wheel 122；The edge of wherein described rotating wheel 121 is stuck in one and oblique sets
In the guide rail 124 put；When the arrangement of clutch 120 is separated, i.e., described guide rail 124 along rotating wheel 121 edge radial displacement,
Rotating wheel 121 is set to separate with rotating wheel 122.
As a kind of detached optional embodiment of the arrangement of clutch 120 is made, from fig. 4, it can be seen that the guide rail
124 have upper and lower two and are symmetrical arranged, and respectively on a support 125 being oppositely arranged, and support 125 is located at respectively door-plate
126 inner sides, when door-plate 126 is pulled out a segment distance towards F4 directions, (i.e. described guide rail 124 is along the edge radial direction position of rotating wheel 121
Move), then because guide rail 124 is angularly disposed, cause rotating wheel 121 to separate with rotating wheel 122.
The Test driver mechanism includes：Test rotating shaft 110, the test rotating shaft 110 is provided with through one end of slide plate 106
Gear 111, the other end is provided with test crank rotary head 112, and in the sliding seat 104 tooth bar being engaged with the gear 111 is provided with
113, it is suitable for when the rotation of rotating shaft 110 is tested, slide plate 106 is maintained static, while driving the sliding seat 104 to drive secondary-plug
In 3 insertion Secondary sockets 4.Now, because slide plate 106 is maintained static, therefore, moving block 103 will not be rotated, and also will not be driven
Connector 105, slide plate 106 are moved, therefore sprocket wheel 107 remains static.
Further, in order to avoid the maloperation that may occur, i.e., described Test driver mechanism operationally, should be avoided to master
Crank rotary head 109 is operated (rotation)；I.e. described main crank rotary head 109, test crank rotary head 112 are located at a sideboard
130 inner side, and sideboard 130 is provided with main crank rotary head 109, the elongated handle hole of test crank rotary head 112；The work
One end of dynamic baffle plate 130 is hinged by connecting rod 131 with sliding seat 104, and the intermediate rotary shaft 132 of connecting rod 131 is located at slide plate 106
On；When the rotation of crank rotary head 112 is tested, the slide plate 106 is maintained static, and the connecting rod 131 is moved by sliding seat 104
Drive sideboard 130 to move, make the elongated handle hole displacement of main crank rotary head 109 to cover main crank rotary head 109.Main crank
Rotary head 109, the length difference of the elongated handle hole of test crank rotary head 112, the length of the elongated handle hole of main crank rotary head 109
The length of the elongated handle hole of test crank rotary head 112 is shorter than, therefore, after test crank rotary head 112 is rotated, main crank rotary head
109 elongated handle hole displacement, sideboard 130 covers the main crank rotary head 109, but due to testing crank rotary head 112
The length of elongated handle hole is longer, therefore, test crank rotary head 112 will not be covered.
Also, main crank rotary head 109 and test crank rotary head 112 are operationally, and arrangement of clutch is in released state, because
This, Vidacare corp cannot realize control, to further increase the processing safety of this side-mounted high-pressure vacuum breaker.
Further, self-locking mechanism is additionally provided with test crank rotary head 112, the dead bolt of the self-locking mechanism will test crank
Rotary head 112 is blocked, and when needing to rotate test crank rotary head 112, inserts crank, and crank heads into dead bolt inside self-locking mechanism,
To realize unblock, test crank rotary head 112 is rotated.
Optionally, elongated handle hole can be, but not limited to adopt kidney-shaped.
Fig. 5 shows the partial schematic diagram of the primary conductive loop access system of the present invention.
Further, as shown in figure 5, primary conductive loop access system 2 includes：Isolation switch 200, copper contact arm 210,
Screw mechanism 220, insulating bar 230 and the sprocket wheel 107 coordinate the drive mechanism of transmission, the copper contact arm 210 to be located at insulating bar
On 230, the drive mechanism is suitable to control screw mechanism 220 and drives insulating bar 230 to drive copper contact arm 210 to rise, so that isolation
Disconnecting link 200 is connected.Wherein, the drive mechanism includes chain, travelling gear etc., and this drive mechanism belongs to prior art category,
Here no longer describe in detail.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.
Claims (6)
1. a kind of side-mounted high-pressure vacuum breaker, it is characterised in that including automatic withdraw-type secondary-plug system (1), Yi Jiyou
Primary conductive loop access system (2) of automatic withdraw-type secondary-plug system (1) control；The automatic withdraw-type secondary-plug
System (1) including secondary plug (3), Secondary socket (4), be suitable to drive secondary plug (3) and primary conductive loop access system
(2) main driving mechanism connected and the Test driver mechanism for being suitable to drive secondary plug (3) to individually turn on；The main driving mechanism
Including：The slide block (102) of leading screw (101), slide plate (106) and leading screw (101) cooperation, the drive for being suitable to driving leading screw (101) rotation
Dynamic device, moving block (103), the sliding seat (104) of fixed secondary plug (3)；When driving means drive leading screw (101) to rotate
When, leading screw (101) band movable slider (102) is mobile, and the slide block (102) drives moving block (103) to rotate by connector (105),
The moving block (103) drives slide plate (106) to drive sliding seat (104) mobile, so that the secondary plug (3) insertion secondary-plug
In seat (4)；It is recess at the cooperation of the connector (105), slide plate (106) and moving block (103), the moving block (103)
Two ends end is circular arc, and in respective recess；The leading screw (101) is provided with and is suitable to drive primary conductive loop to access
The sprocket wheel (107) that system (2) is switched on or switched off.
2. side-mounted high-pressure vacuum breaker according to claim 1, it is characterised in that the driving means include：Electricity
Dynamic driving means and/or manual driving device；Wherein
The Vidacare corp adopts motor (108), the motor (108) to rotate by gear set drive leading screw (101)；
The manual driving device, i.e., be provided with main crank rotary head (109) in one end of the leading screw (101).
3. side-mounted high-pressure vacuum breaker according to claim 2, it is characterised in that the rotating shaft in the gear train
Arrangement of clutch (120) is provided with, the arrangement of clutch (120) includes：Rotating wheel (121), rotating wheel (122), and rotating wheel
(121) stage clip (123), is provided between rotating wheel (122)；Wherein
The edge of the rotating wheel (121) is stuck in an angularly disposed guide rail (124)；
When the arrangement of clutch (120) is separated, i.e., described guide rail (124) makes to turn along the edge radial displacement of rotating wheel (121)
Driving wheel (121) is separated with rotating wheel (122).
4. side-mounted high-pressure vacuum breaker according to claim 3, it is characterised in that the Test driver mechanism bag
Include：Test rotating shaft (110), test rotating shaft (110) is provided with gear (111) through one end of slide plate (106), and the other end is provided with
The tooth bar (113) being engaged with the gear (111) is provided with test crank rotary head (112), the sliding seat (104), is suitable for
When rotating shaft (110) rotation is tested, slide plate (106) is maintained static, while driving the sliding seat (104) to drive secondary plug
(3) insert in Secondary socket (4).
5. side-mounted high-pressure vacuum breaker according to claim 4, it is characterised in that the driving means include manual
Driving means, i.e., described main crank rotary head (109), test crank rotary head (112) located at the inner side of a sideboard (130), and
Sideboard (130) is provided with main crank rotary head (109), the elongated handle hole of test crank rotary head (112)；
One end of the sideboard (130) is hinged by connecting rod (131) with sliding seat (104), and the centre of connecting rod (131) turns
Axle (132) is on slide plate (106)；
When crank rotary head (112) rotation is tested, the connecting rod (131) drives sideboard by the way that sliding seat (104) is mobile
(130) it is mobile, the elongated handle hole displacement of main crank rotary head (109) is made to cover main crank rotary head (109).
6. side-mounted high-pressure vacuum breaker according to claim 5, it is characterised in that access in the primary conductive loop
System (2) includes：Isolation switch (200), copper contact arm (210), screw mechanism (220), insulating bar (230) and the sprocket wheel
(107) drive mechanism of transmission is coordinated,
On insulating bar (230), the drive mechanism is suitable to control screw mechanism (220) driving absolutely the copper contact arm (210)
Edge bar (230) drives copper contact arm (210) to rise, so that isolation switch (200) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417104.7A CN105070580B (en) | 2015-07-15 | 2015-07-15 | Side-mounted high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417104.7A CN105070580B (en) | 2015-07-15 | 2015-07-15 | Side-mounted high-voltage vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105070580A CN105070580A (en) | 2015-11-18 |
| CN105070580B true CN105070580B (en) | 2017-04-26 |
Family
ID=54499923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510417104.7A Active CN105070580B (en) | 2015-07-15 | 2015-07-15 | Side-mounted high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN105070580B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365554B (en) * | 2018-04-28 | 2023-09-29 | 无锡市新一代电力电器有限公司 | Lifting device of side-mounted circuit breaker |
| CN109193438B (en) * | 2018-09-30 | 2020-07-28 | 常熟开关制造有限公司(原常熟开关厂） | Transmission structure of electric drawer seat |
| CN109167288B (en) * | 2018-09-30 | 2020-10-23 | 常熟开关制造有限公司(原常熟开关厂） | Handle holding structure of electric drawer seat |
| CN109103054B (en) * | 2018-09-30 | 2019-11-08 | 常熟开关制造有限公司(原常熟开关厂） | A kind of electric drawer holder structure of breaker |
| CN109038345B (en) * | 2018-09-30 | 2020-10-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker drawer seat |
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| CN2686078Y (en) * | 2004-03-02 | 2005-03-16 | 广州东芝白云电器设备有限公司 | Side mounting indoor high-voltage vacuum circuit breaker |
| CN102166964A (en) * | 2011-03-31 | 2011-08-31 | 浙江吉利汽车研究院有限公司 | Parking device of electric automobile |
| CN202772035U (en) * | 2012-09-06 | 2013-03-06 | 浙江新安江开关有限公司 | Indoor side-mounted vacuum circuit breaker |
| CN202996687U (en) * | 2012-11-23 | 2013-06-12 | 陕西龙翔电器有限公司 | Miniaturized side-mounted type indoor high-voltage vacuum circuit breaker |
| CN104158021A (en) * | 2013-05-14 | 2014-11-19 | 上海庄辰机械有限公司 | Power supply on-line type automatic plugging mechanism used for cement prefabricated component production line |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2686078Y (en) * | 2004-03-02 | 2005-03-16 | 广州东芝白云电器设备有限公司 | Side mounting indoor high-voltage vacuum circuit breaker |
| CN102166964A (en) * | 2011-03-31 | 2011-08-31 | 浙江吉利汽车研究院有限公司 | Parking device of electric automobile |
| CN202772035U (en) * | 2012-09-06 | 2013-03-06 | 浙江新安江开关有限公司 | Indoor side-mounted vacuum circuit breaker |
| CN202996687U (en) * | 2012-11-23 | 2013-06-12 | 陕西龙翔电器有限公司 | Miniaturized side-mounted type indoor high-voltage vacuum circuit breaker |
| CN104158021A (en) * | 2013-05-14 | 2014-11-19 | 上海庄辰机械有限公司 | Power supply on-line type automatic plugging mechanism used for cement prefabricated component production line |
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| Publication number | Publication date |
|---|---|
| CN105070580A (en) | 2015-11-18 |
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| CB02 | Change of applicant information |
Address after: Wujin high tech Zone Changzhou city Jiangsu province 213100 Fengqi Road No. 15 Applicant after: Jiangsu Ming and electric Limited by Share Ltd Address before: Wujin high tech Zone Changzhou city Jiangsu province 213100 Fengqi Road No. 15 Applicant before: Changzhou Mecan Electrical Technology Development Co., Ltd. |
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Inventor after: Zhang Cheng Inventor after: Zhou Li Inventor after: Liang Bin Inventor after: Tang Ming Inventor after: Lu Wenlong Inventor before: Tang Ming Inventor before: Lu Wenlong |
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