CN115207555A - Battery polar plate apron - Google Patents
Battery polar plate apron Download PDFInfo
- Publication number
- CN115207555A CN115207555A CN202210787402.5A CN202210787402A CN115207555A CN 115207555 A CN115207555 A CN 115207555A CN 202210787402 A CN202210787402 A CN 202210787402A CN 115207555 A CN115207555 A CN 115207555A
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- plate
- hole
- fixed
- cover plate
- sleeve
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims description 11
- 241000719178 Carangoides ruber Species 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A battery pole plate cover plate belongs to the technical field of batteries. Both ends all are equipped with heavy groove about apron body upper surface, every the tank bottom face in heavy groove all is equipped with the through-hole, and a lateral wall in every heavy groove all is equipped with two logical grooves, and every heavy inslot all slides and is equipped with and removes spacing post, two positive plate has been placed in one of them through-hole in the through-hole, negative plate has been placed in another through-hole in two through-holes, positive plate and negative plate are connected with the spacing post of removal that corresponds through the polar plate positioning mechanism that corresponds respectively. The cover plate body can be used for rapidly replacing the positive plate and the negative plate under the combined action of the movable limiting column and the polar plate positioning mechanism, so that the problem that the positive plate and the negative plate cannot be replaced and can only be scrapped after being damaged is avoided, and the use cost is reduced.
Description
Technical Field
The invention relates to a battery polar plate cover plate, and belongs to the technical field of batteries.
Background
At present, with the increasing miniaturization, lightening weight and portability of electronic products, such as video cameras, notebook computers, mobile phones, etc., the driving power sources of these electronic products are also developing toward high capacity, high safety and lightening weight.
The battery includes casing, apron etc. and traditional apron structure has included parts such as utmost point post, polar plate, sealing washer, and common processing mode need be lapped the welding on the casing with the apron to weld two polar plates respectively on the apron, constitute the battery package, but the battery package that this mode was processed can't be changed well the negative plate, can't change after positive and negative polar plate damages, can only scrap and lead to economic benefits low.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a battery pole plate cover plate.
The invention adopts the following technical scheme: a battery polar plate cover plate comprises a cover plate body, a movable limiting column and a polar plate positioning mechanism; both ends all are equipped with heavy groove about apron body upper surface, every the tank bottom face in heavy groove all is equipped with the through-hole, and a lateral wall in every heavy groove all is equipped with two logical grooves, and every heavy inslot all slides and is equipped with and removes spacing post, two positive plate has been placed in one of them through-hole in the through-hole, negative plate has been placed in another through-hole in two through-holes, positive plate and negative plate are connected with the spacing post of removal that corresponds through the polar plate positioning mechanism that corresponds respectively.
Compared with the prior art, the invention has the beneficial effects that:
the cover plate body of the invention can quickly replace the positive plate and the negative plate by the combined action of the movable limiting column and the polar plate positioning mechanism, thereby avoiding the problem that the positive plate and the negative plate can not be replaced and can only be scrapped after being damaged, and reducing the use cost.
Drawings
FIG. 1 is a top isometric view of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic view showing the connection relationship between the cover plate body, the movable limiting columns and the placing box;
FIG. 4 is a schematic view of the connection relationship between the cover plate body and the placing box;
FIG. 5 is a schematic view of the connection between the positive plate and the plate positioning mechanism;
FIG. 6 is a schematic view of the connection of the protective cover, the conductive mechanism and the separating mechanism;
FIG. 7 is a schematic view of the construction of the protective sleeve;
figure 8 is a schematic view of the connection of the protective sheath to the conductive means;
FIG. 9 is a schematic view of the connection of the conductive mechanism to the separating mechanism;
fig. 10 is a schematic view of a set screw.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1:
a battery pole plate cover plate comprises a cover plate body 1, a movable limiting column 11 and a pole plate positioning mechanism; both ends all run through its width direction and are equipped with heavy groove 6 about apron body 1 upper surface, every the lower surface that the tank bottom face of heavy groove 6 all runs through apron body 1 is equipped with through-hole 18, and the lateral wall that every heavy groove 6's a lateral wall all runs through apron body 1 is equipped with two and leads to groove 7, and every heavy inslot 6 is all slided and is equipped with and removes spacing post 11, two place positive plate 2 in one of them through-hole 18 among the through-hole 18, place negative plate 3 in another through-hole 18 among two through-holes 18, positive plate 2 and negative plate 3 are connected with the spacing post 11 of removal that corresponds through the polar plate positioning mechanism that corresponds respectively.
Each movable limiting column 11 comprises a first sliding rod 8, an inserted rod 9, a pressure spring 10 and a fixed rod 20; one end of each first sliding rod 8 is fixedly connected with the other side wall of the corresponding sunk groove 6, the outer side of each first sliding rod 8 is sleeved with a pressure spring 10 and an inserting rod 9, the two inserting rods 9 are fixedly connected through a fixing rod 20, each inserting rod 9 is inserted into the corresponding through groove 7 in a sliding mode, one end of each pressure spring 10 is connected with the other side wall of the corresponding sunk groove 6, and the other end of each pressure spring 10 is connected with the corresponding inserting rod 9.
Each polar plate positioning mechanism comprises a positioning rubber 5 and a positioning block 51; all corresponding the being fixed with locating piece 51, every in the both sides of positive plate 2 and negative plate 3 the middle part of locating piece 51 all is equipped with inserted bar jack 22, and every locating piece 51 all is placed in heavy groove 6, and every inserted bar jack 22 communicates the setting with the logical groove 7 that corresponds respectively, and positive plate 2 and negative plate 3 insert corresponding inserted bar jack 22 and lead to the mode of groove 7 and be connected with apron body 1 through inserted bar 9, every the lower extreme of locating piece 51 all bonds and is equipped with positioning rubber 5, and positioning rubber 5 improves the stability that locating piece 51 used.
When using this device, insert corresponding through-hole 18 with positive plate 2 and negative plate 3 respectively from the top of apron body 1 in, utilize locating piece 51 to support positive plate 2 and negative plate 3 respectively, after positive plate 2 and negative plate 3 removed the assigned position respectively, promote inserted bar 9 and remove and insert to corresponding inserted bar jack 22 and logical groove 7 in, realize fixedly positive plate 2 and negative plate 3, avoid positive plate 2 and negative plate 3 to slide on apron body 1.
Utilize pressure spring 10 to provide reverse driving force to inserted bar 9, when the staff need change positive polar plate 2 or negative plate 3, promote corresponding inserted bar 9 and remove, make the both ends of inserted bar 9 separate with the locating piece 51 that corresponds respectively to make the staff can change positive polar plate 2 or negative plate 3.
Example 2:
this example differs from example 1 in that:
the outside of positive plate 2 and the 3 upper ends of negative plate all is equipped with lag 4, utilizes lag 4 to protect the part that positive plate 2 or negative plate 3 expose. The method specifically comprises the following steps: the two ends of the upper surface of the cover plate body 1 are fixedly connected with vertically arranged first trapezoidal limiting columns 13, each protecting sleeve 4 is provided with a first trapezoidal sliding groove 41 matched with the first trapezoidal limiting column 13, and the protecting sleeves 4 are connected with the cover plate body 1 in a manner that the first trapezoidal sliding grooves 41 are inserted into the corresponding first trapezoidal limiting columns 13 and are locked and fixed through corresponding first fixing screws 14; after the bottom of two lag 4 and apron body 1 contact, avoided two lag 4 to remove at will.
And the inner wall of each protective sleeve 4 is provided with a heat-insulating layer. The realization is adjusted the temperature protection of positive plate 2 and negative plate 3 well, avoids the low temperature to adjust positive plate 2 and negative plate 3 to cause the damage to influence the work efficiency of electric core.
Each protecting sleeve 4 is provided with a conducting mechanism, and the conducting mechanism comprises a second sliding rod 23, a tension spring 24, a movable positioning rod 42, a fixed conducting block 43 and a fixed sleeve 44; both sides of the upper ends of the positive plate 2 and the negative plate 3 are provided with plate connecting holes 21; the two end walls of the protection sleeve 4 are all penetrated through the wall thickness direction of the protection sleeve and are provided with protection sleeve connecting holes 31, one side wall of the protection sleeve 4 is fixedly provided with a horizontally arranged fixing sleeve 44, the two ends of the fixing sleeve 44 are respectively in sliding connection with the corresponding two sliding rods 23, the outer end of each of the two sliding rods 23 is respectively in fixed connection with one end of a corresponding movable positioning rod 42, the outer side of each of the two sliding rods 23 is sleeved with a tension spring 24, one end of each tension spring 24 is connected with the fixing sleeve 44, the other end of each tension spring 24 is connected with the corresponding movable positioning rod 42, each movable positioning rod 42 is provided with two fixed conductive blocks 43, and the two fixed conductive blocks 43 are respectively inserted into the corresponding protection sleeve connecting holes 31 and are matched with the corresponding pole plate connecting holes 21.
When using this device, insert the in-process of trapezoidal spacing post 13 with lag 4 at the staff, because the bottom of fixed conducting block 43 all is provided with the wedge face, when the bottom of fixed conducting block 43 and polar plate contact, the polar plate can promote fixed conducting block 43 and remove to drive and remove locating lever 42 and remove, make two distance increases between the removal locating lever 42, remove the in-process extension spring extension and produce reverse contraction power.
When the fixed conductive block 43 moves into the corresponding pole plate connecting hole 21, the movable positioning rod 42 is influenced by the tension spring to pull the fixed conductive block 43 to move and insert into the corresponding pole plate connecting hole 21 to connect with the corresponding pole plate.
Fixed conducting block 43 is made by conducting material, all is provided with electric core spliced pole on every removal locating lever 42, makes the staff be connected with electric core spliced pole through the power connecting wire to quick and convenient be connected positive plate 2 and negative plate 3, constitute the power.
Each protective cover 4 is also provided with a separating mechanism, and the separating mechanism comprises a connecting rod 47, a lifting slide block 49 and a pushing handle 411; two the tip of removal locating lever 42 is articulated through the round pin axle with the one end of the connecting rod 47 that corresponds respectively, every the other end of connecting rod 47 all is articulated through the round pin axle with lift slider 49, be equipped with on the lift slider 49 and promote handle 411 to lift slider 49 and lag 4 sliding connection specifically do: a second trapezoidal limiting column 410 is fixed on one side wall of the protecting sleeve 4, a second trapezoidal sliding groove which corresponds to the second trapezoidal limiting column 410 is formed in the lifting slide block 49, the lifting slide block 49 is connected with the protecting sleeve 4 in a sliding mode through the second trapezoidal limiting column 410 and the second trapezoidal sliding groove, and the distance between the two movable positioning rods 42 is controlled by the lifting slide block 49.
When using this device, because two removal locating levers 42 are connected on lifting slide 49 through connecting rod 47 respectively, when the distance between two removal locating levers 42 changes, two removal locating levers 42 promote two connecting rods 47 respectively and rotate and promote articulated lifting slide 49 and go up the lift removal on trapezoidal spacing post two 410, when the distance between two removal locating levers 42 increases, lifting slide 49 receives the influence of connecting rod 47 and descends, when the distance between two removal locating levers 42 shortens, lifting slide 49 receives the influence of connecting rod 47 and rises, when the needs with lag 4 with the polar plate separation of being connected, promote the decline of promotion handle 411, thereby increase the distance between two removal locating levers 42, make lag 4 can separate with the polar plate of being connected.
Example 3:
this example differs from example 2 in that:
the upper end of apron body 1 is equipped with places box 15, the lateral wall of placing box 15 runs through its wall thickness direction and is equipped with ventilation hole 16, and in the time of the use device, place a large amount of drier in placing box 15, utilize ventilation hole 16 to ensure that the drier can absorb the steam around the battery to break down when avoiding the battery to be in humid environment. And the open end above the cassette 15 is placed closed by a top cover plate 19. The method comprises the following specific steps: the top both ends of placing box 15 all are provided with the slot, in top apron 19 sliding insertion slot, the both ends of slot and top apron 19 are connected through the set screw 110 that corresponds, and the rigid coupling has positioning disc 111 on the set screw 110, positioning disc 111 with place the top contact of box 15, avoid positioning screw 110's bottom to insert to placing box 15 in, increase the usable space of placing in the box 15, increase the storage capacity of drier. A T-shaped handle 112 is fixedly connected to the set screw 110, so that the worker can rotate the set screw 110, and the worker can replace the drying agent stored in the storage box 15.
Four corners of the cover plate body 1 are provided with positioning screw holes 12, each positioning screw hole 12 is internally and threadedly connected with a fixing screw 17, and the cover plate body 1 is fixed by the fixing screws 17.
When the device is used, the processed cover plate body 1 is placed in the appointed protective sleeve, and the four fixing screws 17 respectively penetrate through the protective sleeve and are in threaded connection with the corresponding positioning screw holes 12, so that the cover plate body 1 is fixed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A battery plate cover plate is characterized in that: comprises a cover plate body (1), a movable limiting column (11) and a polar plate positioning mechanism; both ends all are equipped with heavy groove (6), every about apron body (1) upper surface the tank bottom surface of heavy groove (6) all is equipped with through-hole (18), and a lateral wall of every heavy groove (6) all is equipped with two and leads to groove (7), all slides in every heavy groove (6) and is equipped with removal spacing post (11), two positive plate (2) have been placed in one of them through-hole (18) in through-hole (18), negative plate (3) have been placed in another through-hole (18) in two through-holes (18), positive plate (2) and negative plate (3) are connected with the spacing post (11) of removal that correspond through the polar plate positioning mechanism that corresponds respectively.
2. A battery plate cover plate according to claim 1, wherein: each movable limiting column (11) comprises a first sliding rod (8), an inserted rod (9), a pressure spring (10) and a fixed rod (20); every the one end of slide bar (8) respectively with another lateral wall fixed connection of the heavy groove (6) that corresponds, the outside of every slide bar (8) all is equipped with pressure spring (10) and inserted bar (9) with one, two inserted bar (9) are through dead lever (20) fixed connection to every inserted bar (9) slides respectively and inserts in the logical groove (7) that corresponds, the one end of pressure spring (10) is connected with another lateral wall of the heavy groove (6) that corresponds, and the other end and the inserted bar (9) that correspond of pressure spring (10) are connected.
3. A battery plate cover plate according to claim 2, wherein: each polar plate positioning mechanism comprises a positioning rubber (5) and a positioning block (51); both sides of positive plate (2) and negative plate (3) all correspond and are fixed with locating piece (51), every the middle part of locating piece (51) all is equipped with inserted bar jack (22), and every locating piece (51) are all placed in heavy groove (6), and every inserted bar jack (22) communicate the setting with logical groove (7) that correspond respectively, and positive plate (2) and negative plate (3) are connected with apron body (1) through the mode that inserted bar jack (22) and logical groove (7) that inserted bar (9) inserted the correspondence, every the lower extreme of locating piece (51) all is equipped with location rubber (5).
4. A battery plate cover plate according to claim 1 or 3, wherein: and protective sleeves (4) are sleeved on the outer sides of the upper ends of the positive plate (2) and the negative plate (3).
5. The battery plate cover plate of claim 4, wherein: and the inner wall of each protective sleeve (4) is provided with a heat-insulating layer.
6. The battery plate cover plate of claim 5, wherein: each protecting sleeve (4) is provided with a conductive mechanism, and the conductive mechanism comprises a second sliding rod (23), a tension spring (24), a movable positioning rod (42), a fixed conductive block (43) and a fixed sleeve (44); both sides of the upper ends of the positive plate (2) and the negative plate (3) are provided with plate connecting holes (21); the utility model discloses a protection sleeve, including protection sleeve, two slide bar two (23) and fixed sleeve, the both ends wall of protection sleeve (4) all is equipped with protection sleeve connecting hole (31), and a lateral wall of protection sleeve (4) is fixed with the fixed sleeve (44) that the level set up, the both ends of fixed sleeve (44) respectively with two (23) sliding connection that correspond, every the outer end of two slide bar (23) respectively with the one end fixed connection of the removal locating lever (42) that corresponds to the outside of every slide bar two (23) all is equipped with extension spring (24) cover, the one end and the fixed sleeve (44) of extension spring (24) are connected, the other end and the removal locating lever (42) that correspond of extension spring (24) are connected, every all be equipped with two fixed conducting blocks (43) on removal locating lever (42), two fixed conducting blocks (43) insert respectively in corresponding protection sleeve connecting hole (31) to set up with the cooperation of the polar plate connecting hole (21) that corresponds.
7. The battery plate cover plate of claim 6, wherein: each protective sleeve (4) is also provided with a separating mechanism, and the separating mechanism comprises a connecting rod (47), a lifting slide block (49) and a pushing handle (411); the end parts of the two movable positioning rods (42) are hinged to one ends of corresponding connecting rods (47), the other end of each connecting rod (47) is hinged to a lifting slide block (49), a pushing handle (411) is arranged on each lifting slide block (49), and each lifting slide block (49) is connected with the corresponding protective sleeve (4) in a sliding mode.
8. A battery plate cover plate according to claim 1 or 7, wherein: the upper end of apron body (1) is equipped with places box (15), the lateral wall of placing box (15) is equipped with ventilation hole (16) to the open end of placing box (15) top is carried out the shutoff through top apron (19).
9. A battery plate cover plate according to claim 8, wherein: four corners of the cover plate body (1) are provided with positioning screw holes (12), and each positioning screw hole (12) is internally and evenly in threaded connection with a fixing screw (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210787402.5A CN115207555A (en) | 2022-07-04 | 2022-07-04 | Battery polar plate apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210787402.5A CN115207555A (en) | 2022-07-04 | 2022-07-04 | Battery polar plate apron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115207555A true CN115207555A (en) | 2022-10-18 |
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ID=83578173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210787402.5A Pending CN115207555A (en) | 2022-07-04 | 2022-07-04 | Battery polar plate apron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115207555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293469A (en) * | 2023-11-21 | 2023-12-26 | 广州奥鹏能源科技有限公司 | Energy storage device shell mounting structure and mounting method |
-
2022
- 2022-07-04 CN CN202210787402.5A patent/CN115207555A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293469A (en) * | 2023-11-21 | 2023-12-26 | 广州奥鹏能源科技有限公司 | Energy storage device shell mounting structure and mounting method |
| CN117293469B (en) * | 2023-11-21 | 2024-02-20 | 广州奥鹏能源科技有限公司 | Energy storage device shell mounting structure and mounting method |
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Address after: 150060 Room 202, building 1, Nanhu street, Yingbin Road, hi tech Industrial Development Zone, Harbin City, Heilongjiang Province Applicant after: Harbin Coslight New ENERGY Co.,Ltd. Address before: 150060 Room 202, building 1, Nanhu street, Yingbin Road, hi tech Industrial Development Zone, Harbin City, Heilongjiang Province Applicant before: Harbin Guangyu new energy Co.,Ltd. |
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Inventor after: Song Bai Inventor after: Wang Haipeng Inventor after: Liu Tiejian Inventor after: Shan Hui Inventor after: Zhou Yulin Inventor after: Sun Changliang Inventor after: Zhang Lihui Inventor after: Xu Liang Inventor after: Shi Qingmo Inventor after: Jiang Hailong Inventor after: Qin Rui Inventor before: Shan Hui Inventor before: Zhou Yulin Inventor before: Sun Changliang Inventor before: Zhang Lihui Inventor before: Xu Liang Inventor before: Shi Qingmo Inventor before: Jiang Hailong Inventor before: Qin Rui Inventor before: Wang Haipeng |