CN206312837U - HVDC relay - Google Patents
HVDC relay Download PDFInfo
- Publication number
- CN206312837U CN206312837U CN201621331017.6U CN201621331017U CN206312837U CN 206312837 U CN206312837 U CN 206312837U CN 201621331017 U CN201621331017 U CN 201621331017U CN 206312837 U CN206312837 U CN 206312837U
- Authority
- CN
- China
- Prior art keywords
- iron core
- travelling contact
- contact platform
- coil
- hvdc relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000000919 ceramic Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a kind of HVDC relay, including outer cover, coil, iron core, flexible member, travelling contact platform and a pair of face terminals, and face terminals described in two are arranged on the outer cover, and the coil and the travelling contact platform are located in the outer cover；The iron core is upper and lower slidably located at the cental axial position of the coil, and the upper end of the iron core is stretched out the coil and is connected with the travelling contact platform, the travelling contact platform corresponds respectively to face terminals described in two in the two ends of horizontally disposed and described travelling contact platform；The flexible member provides an elastic force opposite with the suction of the coil to the travelling contact platform.The utility model HVDC relay construction is simply compact, small volume.
Description
Technical field
The utility model is related to a kind of HVDC relay, more particularly to a kind of simple and compact for structure, height of small volume
Straightening current relay.
Background technology
In recent years, either domestic or overseas market, is future by new energy pure electric automobile substitution fuel-engined vehicle
The trend of development, and tend to the universalness of production lot, and in new energy pure electric automobile, kinetic energy is changed into by electric energy,
Must be by the conversion of HVDC relay.So HVDC relay to switch voltage and current it is higher and higher will
Ask.
Traditional relay, is influenceed, it is impossible under conditions of high-voltage load, quickly by product structure and Product Process
Cut off the electric arc of contact, it is impossible to reach the effect of the high pressure of cut-out.
Due to direct-current high-voltage relay, the contact load voltage that it is required is high, the guiding insulation in contact portion and motion portion away from
From big, it is necessary to overcome the resistance of motion big, then all can be using the big factor of coil power dissipation of input in product design.From causing resource
Waste.
Current some solution, is the energy-saving board for increasing PWM in the outside of HVDC relay product, with
The effect of the coil power for reducing input is reached, but this kind of effect causes appearance and size big, is unfavorable for that installs and minimize wants
Ask, and in the case that input voltage is unstable under the energy-saving board of PWM, be easily often burned out.
Utility model content
The purpose of this utility model is to provide a kind of simple and compact for structure, HVDC relay of small volume.
To achieve these goals, the HVDC relay that the utility model is provided includes outer cover, coil, iron core, bullet
Property element, travelling contact platform and a pair of face terminals, face terminals described in two are arranged on the outer cover, the coil and described
Travelling contact platform is located in the outer cover；The iron core is upper and lower slidably located at the cental axial position of the coil, and the iron
The upper end of core is stretched out the coil and is connected with the travelling contact platform, and the travelling contact platform is in horizontally disposed and described movable
The two ends of contact platform correspond respectively to face terminals described in two；The flexible member provides one and institute to the travelling contact platform
State the opposite elastic force of the suction of iron core described in coil adhesive.
Compared with prior art, because the utility model is arranged at face terminals described in two by by the travelling contact platform
Lower section, and the coil is arranged at the lower section of the travelling contact platform, and the iron core is arranged in the coil
Mandrel position is simultaneously connected with the travelling contact platform, therefore, by the elasticity of iron core and flexible member described in the coil drive
Effect just can drive the travelling contact platform to make electrical contact with or be separated from each other with face terminals described in two, and then realize HVDC
Power on/off of the relay to hvdc circuit；Total takes full advantage of all parts shape and sky in vertical type arrangement
Between, so that the simple structure of whole HVDC relay, compact and reasonable arrangement effectively reduces HVDC relay
Volume.
It is preferred that the HVDC relay also includes signal circuit and electroconductive elastic sheet, the electroconductive elastic sheet is arranged at
Between the signal circuit and the iron core, the iron core upward sliding makes the travelling contact platform and face terminals electricity described in two
During contact, the iron core drives the electroconductive elastic sheet to contact at two connection terminals of the signal circuit respectively.By setting
Electroconductive elastic sheet is stated, the iron core can be made the electroconductive elastic sheet is connected with the connection terminal while mobile, so as to lead
Lead to the signal circuit, and then using the signal circuit instruction recognize the iron core whether with face terminals described in two
Effectively electrically connect.
The lower end of the iron core is provided with push rod, and the push rod is moved and pushing tow or the release conductive bullet with the iron core
Piece, so that the electroconductive elastic sheet contacts or leave connection terminal described in two.Because the electroconductive elastic sheet is arranged at the coil
Lower section, the iron core is located in the coil, therefore utilizes the push rod, the electroconductive elastic sheet can be associated with the iron core
Get up, so that driving the electroconductive elastic sheet by the push rod while iron core is acted.
It is preferred that the HVDC relay also includes the shell for shielding.
It is preferred that the outer cover is in sealing structure, the HVDC relay also includes pwm circuit plate, the PWM electricity
Road plate is electrically connected with the coil and operating circuit, and the pwm circuit plate is built in the outer cover.So can both protect institute
Pwm circuit plate is stated, the pwm circuit plate is influenceed minimum by environmental factor, worked more stable, effectively extension uses the longevity
Life, can make the volume of the HVDC relay smaller again.
Specifically, the HVDC relay also includes arc extinguishing structure, and the arc extinguishing structure includes retort stand and a pair
Magnet, magnet described in two is located at the both sides of the approximately the same plane described in two where the central shaft of face terminals respectively, and described in two
The relative both sides opposite polarity of magnet, so that face terminals described in two each produce the arc extinguishing power being located remotely from each other；It is described
Retort stand is wrapped in the periphery of magnet described in two.
Specifically, the retort stand has magnetic conduction sheet near the end of the magnet, and the magnetic conduction sheet is covered in described
The end face of magnet.The magnetic conduction sheet can increase magnetic conductive area, so as to increase flux, improve arc quenching effect.
It is preferred that the outer cover includes ceramic shell, upper casing and lower casing, the lower casing is tightly connected with the upper casing；Institute
State upper casing and offer opening, the ceramic shell is arranged on the upper casing and hermetically covers the opening, so as to form position
In the epicoele in the ceramic shell and the cavity of resorption in the lower casing, the travelling contact platform is located in the epicoele, institute
Coil is stated to be located in the cavity of resorption.It is divided into epicoele and cavity of resorption by by the outer cover, such that it is able to produce HVDC relay
Raw electric arc is separated with the coil, it is to avoid electric arc burns out coil.
Specifically, the outer cover also includes separator, and the separator is located in the epicoele and is covered in the opening,
Isolate with by the epicoele and the cavity of resorption.Setting the separator can make the epicoele and the cavity of resorption completely isolated, from
And preferably isolate electric arc, extend the service life of HVDC relay.
It is preferred that the upper end of the iron core is fixedly provided with movable seat, the travelling contact platform is arranged at the movable seat,
Bolster is provided between the travelling contact platform and the movable seat.By setting the bolster, the travelling contact can be made
Platform is effectively, stably conductively connected tactile with the face terminals, and so as to be effectively ensured the using effect of relay, extension is high
The service life of straightening current relay.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model HVDC relay.
Fig. 2 is the structure chart that the utility model HVDC relay removes shell.
Fig. 3 is the cut-away view of the utility model HVDC relay.
Fig. 4 is the sectional structure chart of the utility model HVDC relay.
Fig. 5 is the exploded view of the outer cover of the utility model HVDC relay.
Fig. 6 is the structure that is installed on HVDC relay of arc extinguishing structure of the utility model HVDC relay
Figure.
Fig. 7 is the top view of the arc extinguishing structure of the utility model HVDC relay.
Specific embodiment
It is the effect for describing technology contents of the present utility model, structural feature in detail, realized, below in conjunction with implementation method
And coordinate accompanying drawing to be explained in detail.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the utility model HVDC relay 100 includes outer cover 1, coil 2, iron
Core 3, flexible member 4, travelling contact platform 5, pwm circuit plate 6, a pair of face terminals 7 and shell 101；The shell 101 is covered at
Outside the outer cover 1, the part to the outer cover 1 and its inside shields.The outer cover 1 is in sealing structure, so as to external
Vacuumized inside cover 1 and be filled with inert gas.Face terminals 7 described in two are arranged on the outer cover 1 and institute is stretched out in upper end
Outer cover 1 is stated, lower end is stretched into the outer cover 1, the coil 2 and the travelling contact platform 5 are located in the outer cover 1, the line
Circle 2 is electrically connected with coil input end 200；The upper and lower cental axial position for being slidably located at the coil 2 of the iron core 3, and it is described
The upper end of iron core 3 is stretched out the coil 2 and is connected with the travelling contact platform 5, and the travelling contact platform 5 is in horizontally disposed and institute
The two ends for stating travelling contact platform 5 correspond respectively to the lower end of face terminals 7 described in two；The flexible member 4 is socketed on the iron
On core 3 and providing one makes the travelling contact platform 5 leave the elastic force of face terminals 7 described in two, the flexible member 4 is compression
Spring.
Again as shown in Figures 3 and 4, the pwm circuit plate 6 is built in the outer cover 1, and under the coil 2
End, the pwm circuit plate 6 is electrically connected with the coil 2 and operating circuit 200.The pwm circuit plate 6 so can have both been protected,
The pwm circuit plate 6 is influenceed minimum by environmental factor, work more stable, effectively increase the service life, institute can be made again
The volume for stating HVDC relay is smaller.
Fig. 3 and Fig. 4 is referred to again, and the upper end of the iron core 3 is fixedly provided with movable seat 31, and the travelling contact platform 5 sets
The movable seat 31 is placed in, bolster 32 is provided between the travelling contact platform 5 and the movable seat 31, the bolster 32 is
Compression spring.By setting the bolster 32, the travelling contact platform 5 can be made with the face terminals 7 effectively, stably
It is conductively connected tactile, so as to the using effect of relay is effectively ensured, extends the service life of HVDC relay.
Fig. 3 and Fig. 4 is referred to again, and the HVDC relay 100 also includes signal circuit 8 and electroconductive elastic sheet 9, described
On the pwm circuit plate 6 that one end of electroconductive elastic sheet 9 is fixed on, the free state that the other end is resilient, the iron core 3 is upward
When slip makes electrical contact with face terminals 7 described in the travelling contact platform 5 and two, the iron core 3 drives the electroconductive elastic sheet 9 to distinguish
Two connection terminals 81 of the signal circuit 8 are contacted at, so that signal circuit 8 is turned on described in two；When the slide downward of the iron core 3
When disconnecting face terminals 7 described in two, the iron core 3 leaves the electroconductive elastic sheet 9, elasticity of the electroconductive elastic sheet 9 at itself
Restoring force effect is lower to depart from connection terminal 81 described in two, so that the signal circuit 8 disconnects.By setting the electroconductive elastic sheet 9,
The iron core 3 can be made makes the electroconductive elastic sheet 9 be connected with the connection terminal 81 while mobile, so as to turn on the letter
Number circuit 8, and then instruction using the signal circuit 8 recognizes whether the iron core 3 is effective with face terminals described in two 7
Ground electrical connection.The lower end of the iron core 3 is provided with push rod 33, and the push rod 33 is vertically arranged with the iron core 3, the push rod 33 with
The iron core 3 is moved and pushing tow or the release electroconductive elastic sheet 9, so as to the electroconductive elastic sheet 9 be contacted or left connected described in two
Terminal 81.The lower section of the coil 2 is arranged at due to the electroconductive elastic sheet 9, the iron core 3 is located in the coil 2, therefore profit
With the push rod 33, the electroconductive elastic sheet 9 can be associated with the iron core 3, so that while the iron core 3 is acted
The electroconductive elastic sheet 9 is driven by the push rod 33.
Refer to Fig. 4 and Fig. 5, the outer cover 1 include ceramic shell 11 and, upper casing 12, lower casing 13 and separator 14, it is described
Lower casing 13 is tightly connected with the upper casing 12；The upper casing 12 offers opening 121, and the ceramic shell 11 is arranged on described
The opening 121 is covered on shell 12 and hermetically, so as to form epicoele 11a in the ceramic shell 11 and positioned at described
Cavity of resorption 11b in lower casing 13, the travelling contact platform 5 is located in the epicoele 11a, and the coil 2 is located at the cavity of resorption 11b
It is interior.It is divided into epicoele 11a and cavity of resorption 11b by by the outer cover 1, such that it is able to the electric arc for producing HVDC relay and institute
State coil 2 to separate, it is to avoid electric arc burns out coil 2.The separator 14 is located in the epicoele 11a and is covered in the opening
121, the epicoele 11a and cavity of resorption 11b is isolated.Setting the separator 14 can make the epicoele 11a and described
Cavity of resorption 11b is completely isolated, so as to preferably isolate electric arc, extends the service life of HVDC relay.
Fig. 6 and Fig. 7 is referred to, the HVDC relay 100 also includes arc extinguishing structure 10, and the arc extinguishing structure 10 sets
It is placed in the surrounding of the lower end of the face terminals 7 and around the periphery of the ceramic shell 11, the arc extinguishing structure 10 includes iron
Support 101 and a pair of magnet 102, magnet 102 described in two is respectively positioned at same where the central shaft of face terminals 7 described in two
The both sides of plane, and magnet 102 described in two relative both sides opposite polarity so that face terminals 7 described in two each produce one
The individual arc extinguishing power being located remotely from each other；The retort stand 101 is wrapped in the periphery of magnet 102 described in two and around the ceramic shell 11
Periphery.The retort stand 101 has magnetic conduction sheet near the end of the magnet 102, and the magnetic conduction sheet is covered in the magnetic
The end face of iron 102, specifically, 101 points of the retort stand is two sections being separated from each other, and often saves and about takes the shape of the letter U, the two ends bag for often saving
Include leading portion 101a, bending segment 101b and back segment 101c, the end of the leading portion 101a is provided with holding section 101d, for the magnetic
The engaging positioning of iron 102, the leading portion 101a claddings are placed on the outside of the magnet 102, and the bending segment 101b is the magnetic conduction
Piece, the bending segment 101b and the leading portion 101a and the back segment 101c is vertical is connected, the bending segment 101b is coated on institute
State outside the end face of magnet 102, the back segment 101c is coated on outside the ceramic shell 11.The bending segment 101b can increase and lead
Magnetic surface is accumulated, so as to increase flux, improves arc quenching effect.
Summary, below the operation principle to the utility model HVDC relay 100 be described in detail, such as
Under：
When the coil 2 is powered by coil input end 200, the coil 2 produces magnetic attraction, then adsorbs the iron
Core 3, the iron core 3 is protruded upward and compresses the flexible member 4, so as to the travelling contact platform 5 is resisted against described in two load
The lower end of terminal 7, at this moment, because the face terminals 7 are powered, face terminals 7 described in two turn on the conveying for realizing high-tension current；
The iron core 3 drives the push rod 33 to rise while protruding upward, electroconductive elastic sheet 9 described in the pushing tow of the push rod 33, described to lead
Electric shell fragment 9 contacts at connection terminal 81 described in two, so that the signal circuit 8 is turned on, the indicator lamp on the signal circuit 8
Light, point out high-tension circuit conducting.When the coil 2 power-off magnetic field force disappear when, the iron core 3 the gravity of itself and
In the presence of the elastic-restoring force of the flexible member 4, the iron core 3 is moved down, and the iron core 3 drives the travelling contact
Platform 5 is moved down, and at this moment, the travelling contact platform 5 departs from face terminals 7 described in two, is departing from a flash of the face terminals 7
Between, electric arc, electric arc can be produced to extinguish rapidly in the presence of the arc extinguishing structure 10 between face terminals 7 described in two, now, two
The circuit of the face terminals 7 disconnects；The iron core 3 drives the push rod 33 to decline simultaneously, and the push rod 33 leaves described leading
Electric shell fragment 9, the electroconductive elastic sheet 9 leaves connection terminal 81 described in two, so that the signal circuit 8 disconnects, the signal electricity
Indicator lamp on road 8 is to extinguish, and points out high-tension circuit to be not turned on.
Compared with prior art, because the utility model is arranged at load end described in two by by the travelling contact platform 5
The lower section of son 7, and the coil 2 is arranged at the lower section of the travelling contact platform 5, and the iron core 3 is arranged at the line
The cental axial position of circle 2 is simultaneously connected with the travelling contact platform 5, therefore, the iron core 3 and elasticity are driven by the coil 2
Element 4 just can drive the travelling contact platform 5 to make electrical contact with or be separated from each other with face terminals described in two 7, and then realize high pressure
Power on/off of the DC relay to hvdc circuit；Total takes full advantage of all parts shape in vertical type arrangement
And space, so that the simple structure of whole HVDC relay, compact and reasonable arrangement effectively reduces HVDC relay
The volume of device；In addition, be placed on the PWM plates 6 of energy-conservation in outer cover 1 by the utility model, it is effectively protected in sealed environment,
The power consumption of coil 2 is preferably reduced simultaneously.
Above disclosed is only preferred embodiments of the present utility model, can not limit the utility model with this certainly
Interest field, therefore equivalent variations made according to present utility model application the scope of the claims still fall within the utility model and are covered
Scope.
Claims (10)
1. a kind of HVDC relay, it is characterised in that：Including outer cover, coil, iron core, flexible member, travelling contact platform and
A pair of face terminals, face terminals described in two are arranged on the outer cover, and the coil and the travelling contact platform are positioned at described
In outer cover；The iron core is upper and lower slidably located at the cental axial position of the coil, and the line is stretched out in the upper end of the iron core
Enclose and be connected with the travelling contact platform, the travelling contact platform is right respectively in the two ends of horizontally disposed and described travelling contact platform
Should be in face terminals described in two；The flexible member provides the travelling contact platform one with iron core described in the coil adhesive
The opposite elastic force of suction.
2. HVDC relay as claimed in claim 1, it is characterised in that：The HVDC relay also includes signal
Circuit and electroconductive elastic sheet, it is described when the iron core upward sliding makes electrical contact with the travelling contact platform and face terminals described in two
Iron core drives the electroconductive elastic sheet to contact at two connection terminals of the signal circuit respectively.
3. HVDC relay as claimed in claim 2, it is characterised in that：The lower end of the iron core is provided with push rod, described
Push rod is moved and pushing tow or the release electroconductive elastic sheet with the iron core, so as to the electroconductive elastic sheet is contacted or leave connect described in two
Connecting terminal.
4. HVDC relay as claimed in claim 1, it is characterised in that：The HVDC relay has also included protecting
The shell of shield effect.
5. HVDC relay as claimed in claim 1, it is characterised in that：The outer cover is in sealing structure, the high pressure
DC relay also includes pwm circuit plate, and the pwm circuit plate is electrically connected with the coil and operating circuit, the pwm circuit
Plate is built in the outer cover.
6. HVDC relay as claimed in claim 1, it is characterised in that：The HVDC relay also includes arc extinguishing
Structure, the arc extinguishing structure includes retort stand and a pair of magnet, and magnet described in two is respectively positioned at the center of face terminals described in two
The both sides of the approximately the same plane where axle, and magnet described in two relative both sides opposite polarity so that face terminals described in two
Each produce the arc extinguishing power being located remotely from each other；The retort stand is wrapped in the periphery of magnet described in two.
7. HVDC relay as claimed in claim 6, it is characterised in that：End face of the retort stand near the magnet
Place has magnetic conduction sheet, and the magnetic conduction sheet is covered in the end face of the magnet.
8. HVDC relay as claimed in claim 1, it is characterised in that：The outer cover include ceramic shell, upper casing and
Lower casing, the lower casing is tightly connected with the upper casing；The upper casing offers opening, and the ceramic shell is arranged at the upper casing
It is upper and hermetically cover the opening, thus form epicoele in the ceramic shell and in the lower casing under
Chamber, the travelling contact platform is located in the epicoele, and the coil is located in the cavity of resorption.
9. HVDC relay as claimed in claim 8, it is characterised in that：The outer cover also include separator, it is described every
Off member is located in the epicoele and is covered in the opening, and the epicoele and the cavity of resorption are isolated.
10. HVDC relay as claimed in claim 1, it is characterised in that：The upper end of the iron core is fixedly provided with can
Dynamic seat, the travelling contact platform is arranged at the movable seat, bolster is provided between the travelling contact platform and the movable seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331017.6U CN206312837U (en) | 2016-12-02 | 2016-12-02 | HVDC relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331017.6U CN206312837U (en) | 2016-12-02 | 2016-12-02 | HVDC relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206312837U true CN206312837U (en) | 2017-07-07 |
Family
ID=59251056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621331017.6U Ceased CN206312837U (en) | 2016-12-02 | 2016-12-02 | HVDC relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206312837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504952A (en) * | 2016-12-02 | 2017-03-15 | 中汇瑞德电子（芜湖）有限公司 | HVDC relay |
| CN110600348A (en) * | 2019-10-14 | 2019-12-20 | 中汇瑞德电子（芜湖）有限公司 | Arc extinguishing chamber |
-
2016
- 2016-12-02 CN CN201621331017.6U patent/CN206312837U/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504952A (en) * | 2016-12-02 | 2017-03-15 | 中汇瑞德电子（芜湖）有限公司 | HVDC relay |
| CN110600348A (en) * | 2019-10-14 | 2019-12-20 | 中汇瑞德电子（芜湖）有限公司 | Arc extinguishing chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent high-voltage direct-current relay Effective date of registration: 20191202 Granted publication date: 20170707 Pledgee: Wuhu SME financing Company limited by guarantee Pledgor: CHUROD ELECTRONICS (WUHU) CO.,LTD. Registration number: Y2019340000233 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201214 Granted publication date: 20170707 Pledgee: Wuhu SME financing Company limited by guarantee Pledgor: CHUROD ELECTRONICS (WUHU) Co.,Ltd. Registration number: Y2019340000233 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20221221 Decision number of declaring invalidation: 59600 Granted publication date: 20170707 |
|
| IW01 | Full invalidation of patent right |