CN216793846U - Battery cabinet - Google Patents
Battery cabinet Download PDFInfo
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- CN216793846U CN216793846U CN202220401689.9U CN202220401689U CN216793846U CN 216793846 U CN216793846 U CN 216793846U CN 202220401689 U CN202220401689 U CN 202220401689U CN 216793846 U CN216793846 U CN 216793846U
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- heat exchange
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Abstract
The utility model discloses a battery cabinet, which comprises: the cabinet body is provided with an installation cavity; a plurality of batteries disposed within the mounting cavity; the fan is arranged in the mounting cavity, an air supply outlet of the fan faces the batteries, and the fan is used for supplying air to the batteries; the evaporator is provided with a heat exchange part, the heat exchange part is arranged between the air supply opening and the plurality of batteries, and air blown out of the air supply opening is blown to the plurality of batteries after flowing through the heat exchange part. From this, supply air to the battery through the fan to correspond the setting with the air supply outlet of the heat transfer portion of evaporimeter and fan, adjust the temperature of the wind of blowing to the battery through the heat transfer portion, with the further heat transfer effect that promotes the battery.
Description
Technical Field
The utility model relates to the technical field of energy storage equipment, in particular to a battery cabinet.
Background
At present, energy storage equipment (such as a battery cabinet and the like) is generally cooled by air supply of an air conditioner so as to adjust the internal environment temperature of the energy storage equipment, and the cooling efficiency of the air supply cooling of the air conditioner is low, and the temperature difference of a battery in the energy storage equipment is easy to be large.
In the related art, part of energy storage equipment improves the air supply refrigeration effect of the air conditioner through designing the air duct, but the air duct has a large influence on the uniformity of the air supply flow and influences the cooling efficiency.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model aims to provide a battery cabinet which is high in heat exchange efficiency and small in temperature difference.
The battery cabinet according to the embodiment of the utility model comprises: the cabinet body is provided with an installation cavity; a plurality of batteries disposed within the mounting cavity; the fan is arranged in the mounting cavity, and an air supply outlet of the fan faces the batteries; the evaporator is provided with a heat exchange part, and the heat exchange part is arranged between the air supply outlet and the plurality of batteries.
According to the battery cabinet provided by the embodiment of the utility model, the fan supplies air to the battery, the heat exchange part of the evaporator is arranged corresponding to the air supply outlet of the fan, so that the temperature of the air blowing to the battery is adjusted through the heat exchange part, and the heat exchange effect on the battery is further improved.
According to some embodiments of the utility model, the cabinet comprises: the mounting frame is provided with a battery mounting position, and the batteries are arranged at the battery mounting position; the cover plate is covered on the mounting frame to form a closed mounting cavity.
According to some embodiments of the utility model, the mounting frame is provided with a plurality of sets of the battery mounting positions arranged in the longitudinal direction.
According to some embodiments of the utility model, the blower is further provided with a return air inlet, the supply air outlet of the blower faces at least one group of the longitudinally arranged battery mounting positions, and the return air inlet faces at least one other group of the longitudinally arranged battery mounting positions correspondingly.
According to some embodiments of the present invention, an angle between the opening direction of the supply port and the opening direction of the return port is α, and the relationship of 60 ° α or more and 180 ° is satisfied.
According to some embodiments of the utility model, the battery cabinet comprises a plurality of fans, and air supply outlets of the fans are arranged in one-to-one correspondence with the plurality of groups of battery installation positions arranged longitudinally.
According to some embodiments of the utility model, two groups of fans and two groups of longitudinally arranged battery mounting positions are arranged in the battery cabinet, the two fans are arranged diagonally in the battery cabinet, and air supply outlets of the two fans are respectively arranged opposite to the two groups of longitudinally arranged battery mounting positions.
According to some embodiments of the utility model, the evaporator further comprises an evaporator body, the heat exchanging portion is configured as a heat exchanging pipe, the evaporator body is arranged outside the cabinet body, the heat exchanging pipe is arranged corresponding to the air supply outlet, and two ends of the heat exchanging pipe penetrate through the cabinet body and are connected with the evaporator body.
According to some embodiments of the utility model, the fan is a crossflow fan.
According to some embodiments of the utility model, the battery cabinet further comprises a water pan disposed at the bottom of the inner side of the cabinet body and arranged below the fan and the evaporator.
According to some embodiments of the utility model, an inner surface of the cabinet is provided with a fire retardant coating.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a first schematic structural diagram of a battery cabinet according to an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a battery cabinet according to an embodiment of the utility model, in which a mounting rack, an evaporator and a fan are shown;
fig. 3 is a schematic structural diagram three of a battery cabinet according to an embodiment of the utility model;
fig. 4 is a schematic structural diagram of a battery cabinet according to an embodiment of the utility model;
fig. 5 is a first schematic view illustrating the cooperation of the heat exchanging part and the fan according to the embodiment of the utility model;
fig. 6 is a second schematic view illustrating the cooperation between the heat exchanging part and the fan according to the embodiment of the present invention.
Reference numerals:
a battery cabinet 100,
The cabinet body 10, the mounting cavity 10a, the mounting rack 11, the cross beam 111, the longitudinal beam 112, the battery supporting plate 113, the battery mounting position 11a, the cover plate 12,
The device comprises a battery 20, a fan 30, an air supply outlet 31, an air return inlet 32, an evaporator 40, a heat exchange pipe 41 and a water receiving tray 50.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1 to 6, a battery cabinet 100 according to an embodiment of the present invention is described, wherein the battery cabinet 100 is used for accommodating batteries 20, the batteries 20 in the battery cabinet 100 can be charged and discharged, and the temperature of the batteries 20 will rise during the charging and discharging process of the batteries 20.
The battery cabinet 100 according to an embodiment of the present invention includes a cabinet body 10, a blower 30, an evaporator 40, and a plurality of batteries 20.
Specifically, the cabinet body 10 is equipped with installation cavity 10a, fan 30 and a plurality of battery 20 equipartition are arranged in installation cavity 10a, and supply-air outlet 31 of fan 30 is towards a plurality of battery 20, with a plurality of battery 20 air supply in installation cavity 10a through fan 30, take away the heat of battery 20 through the air current, cool down battery 20, and can promote the air flow rate in installation cavity 10a through the air supply of fan 30, thereby reduce the difference in temperature in different regions in installation cavity 10a, promote the temperature homogeneity of battery 20 and cabinet body 10.
Further, the evaporator 40 is provided with a heat exchanging portion disposed between the air blowing opening 31 and the plurality of batteries 20, and the air blown out through the air blowing opening 31 is blown toward the plurality of batteries 20 after flowing through the heat exchanging portion to further enhance the heat exchanging effect for the batteries 20. Wherein, when need cool down battery 20, the temperature of heat transfer portion is low to because heat transfer portion and supply-air outlet 31 correspond the setting, under the effect of heat transfer portion, the air current temperature of the heat transfer portion of flowing through will reduce, thereby make the air current temperature that blows to battery 20 low, and then can cool down battery 20 more fast, further promote battery cabinet 100's heat transfer effect.
According to the battery cabinet 100 of the embodiment of the utility model, the air is supplied to the battery 20 through the fan 30, and the heat exchanging part of the evaporator 40 is arranged corresponding to the air supply opening 31 of the fan 30, so that the temperature of the air supplied to the battery 20 is adjusted through the heat exchanging part, and the heat exchanging effect on the battery 20 is further improved.
Referring to fig. 1 and 2, in a further embodiment of the present invention, the cabinet 10 includes a mounting frame 11 and a cover 12, the mounting frame 11 is provided with a battery mounting location 11a, a battery 20 is disposed at the battery mounting location 11a to receive the battery 20 through the battery mounting location 11a, and the cover 12 covers the mounting frame 11 to form a closed mounting cavity 10 a.
Referring to fig. 2 and 3, the mounting bracket 11 has a simple structure, so that the battery 20 can be conveniently taken and placed, and meanwhile, the mounting bracket 11 has a frame structure, so that the difficulty in arranging the wire harness in the cabinet 10 can be reduced. Meanwhile, the mounting frame 11 is used as a mounting carrier of the cover plate 12, the cover plate 12 can be mounted on the mounting frame 11, the cover plate 12 is matched with the mounting frame 11 to define a closed mounting cavity 10a, and the cover plate 12 can be used for well shielding structures or parts in the mounting cavity 10a to prevent the parts such as the battery 20, the wire harness and the fan 30 from being exposed, so that the safety and the reliability of the battery cabinet 100 are improved.
It can be further understood that, when the installation cavity 10a is configured as a closed cavity, the airflow blown out by the fan 30 can flow in the installation cavity 10a and does not flow out of the cabinet body 10 after flowing through the battery installation site 11a, so that the temperature difference between the positions in the installation cavity 10a is small, the temperature uniformity of the battery cabinet 100 is improved, and the problem of over-high or over-low local temperature in the battery cabinet 100 is avoided.
As shown in fig. 3, in some embodiments of the present invention, the mounting frame 11 is provided with a plurality of battery mounting locations 11a arranged along the longitudinal direction, so that the batteries 20 can be arranged along the longitudinal direction in the cabinet 10, so that the plurality of batteries 20 in the cabinet 10 are arranged regularly.
As shown in fig. 2 and 4, in some embodiments of the utility model, the fan 30 is further provided with an air return opening 32, and air can enter the fan 30 through the air return opening 32 and be discharged through the air supply opening 31.
The air supply outlet 31 of the fan 30 faces at least one group of longitudinally arranged battery mounting positions 11a to supply air to at least one group of longitudinally arranged battery mounting positions 11a through the air supply outlet 31 of the fan 30, and the air return inlet 32 faces at least one other group of longitudinally arranged battery mounting positions 11a to supply air to the fan 30 through other positions in the mounting cavity 10a, so that the air supply effect of the fan 30 is ensured.
As shown in fig. 4, in a further embodiment of the present invention, the battery cabinet 100 includes a plurality of fans 30, and the air supply outlets 31 of the fans 30 are disposed in one-to-one correspondence with the plurality of sets of battery mounting positions 11a arranged in the longitudinal direction, so that air is supplied to the plurality of sets of battery mounting positions 11a arranged in the longitudinal direction at different positions in the mounting cavity 10a by the fans 30.
Further, referring to fig. 4, the air return opening 32 of the fan 30 is disposed corresponding to a group of longitudinally arranged battery mounting positions 11a disposed adjacent to a group of longitudinally arranged battery mounting positions 11a directly opposite to the air supply opening 31.
Referring to fig. 3 and 4, in a specific embodiment of the present invention, two sets of battery installation positions 11a arranged longitudinally are disposed in the battery cabinet 100, two fans 30 are disposed in the battery cabinet 100, an air supply outlet 31 of each fan 30 is disposed opposite to one set of battery installation positions 11a arranged longitudinally, the fans 30 can supply air to the battery installation positions 11a through the air supply outlets 31, and an air return opening 32 of each fan 30 is disposed corresponding to the other set of battery installation positions 11a arranged longitudinally.
Further, when the battery 20 is disposed in the battery mounting position 11a, each group of batteries 20 arranged longitudinally may be disposed in a staggered manner, and the blower 30 is disposed in a staggered region of two groups of batteries 20 arranged longitudinally, so that the airflow flowing mode in the mounting cavity 10a can be adjusted, and the airflow in the mounting cavity 10a is effectively organized.
Specifically, referring to fig. 4, the cover plate 12 at the top of the battery cabinet 100 is not shown in fig. 4 and is an upper view of the battery cabinet 100, two fans 30 are arranged diagonally in the installation cavity 10a, and the air outlets 31 of the two fans 30 are respectively arranged opposite to two groups of batteries 11a arranged longitudinally. When two fans 30 supply air to two sets of battery installation positions 11a that vertically arrange respectively, the air-out direction of air-supply outlet 31 of two fans 30 is opposite, and the air-inlet direction of air return opening 32 of two fans 30 is opposite to because installation cavity 10a is sealed by apron 12 on its circumferential direction, can form anticlockwise pivoted air current in installation cavity 10a this moment. The air blown out from the air supply port 31 of one fan 30 can be sent to a position close to the air return port 32 of the other fan 30, so as to ensure the air inlet effect of the fan 30, effectively adjust the flowing mode of the air flow, and reduce the energy consumption and the failure probability of the fan 30.
It should be noted that, because the installation cavity 10a is a closed cavity, the air flow can be effectively organized by adjusting the air supply and air inlet positions of the fan 30, and an air duct does not need to be arranged in the battery cabinet 100, so that the structure of the battery cabinet 100 can be reasonably simplified, and the air flow rate and the heat exchange efficiency in the installation cavity 10a can be ensured.
In some embodiments of the present invention, a plurality of fans 30 are disposed in the battery cabinet 100, the air supply outlets 31 of two fans 30 in the plurality of fans 30 are disposed opposite to each other, and at least one set of battery mounting positions 11a arranged in the longitudinal direction is disposed between the air supply outlets 31 of the two fans 30, so that the two fans 30 simultaneously supply air to the battery 20 located between the two fans 30, thereby improving the heat exchange efficiency of the battery 20.
In some embodiments of the present invention, the battery cabinet 100 is provided with a plurality of evaporators 40, and the number of the evaporators 40 is the same as that of the fans 30, i.e., the heat exchange portions of the evaporators 40 are all arranged in one-to-one correspondence with the air supply outlets 31 of the fans 30.
In other embodiments of the present invention, the battery cabinet 100 is provided with a plurality of evaporators 40, and the heat exchanging part of the evaporator 40 is disposed corresponding to the air supply outlet 31 of at least one fan 30 to adjust the air supply temperature of the air supply outlet 31 disposed corresponding thereto.
In some embodiments of the present invention, an included angle between the opening direction of the air supply opening 31 and the opening direction of the air return opening 32 is α, and α is greater than or equal to 60 ° and less than or equal to 180 ° in the relation, so as to better satisfy the air intake and air outlet requirements of the fan 30.
Referring to fig. 4, in a specific embodiment of the present invention, two fans 30 are disposed in diagonal directions of the battery cabinet 100, an included angle between an opening direction of the air supply opening 31 of each fan 30 and an opening direction of the air return opening 32 is 90 °, the air supply openings 31 of the two fans 30 face opposite directions, and the air return opening 32 faces opposite directions, at this time, an air flow rotating counterclockwise can be formed in the installation cavity 10a, and air is supplied from the air supply opening 31 of one fan 30 to an area adjacent to the air return opening 32 of the other fan 30, so that operating energy consumption of the fans 30 can be reduced, and air supply and intake effects of the fans 30 can be ensured.
In some embodiments of the present invention, the blower 30 is configured as a cross-flow blower, the axial length of the cross-flow blower is not limited, and an appropriate impeller length can be selected according to the use requirement, so that the cross-flow blower can correspond to cabinets with different height dimensions and can simultaneously supply air to a plurality of battery installation sites. Meanwhile, the air outlet of the cross-flow fan is uniform and free of turbulence, the air supply effect of the cross-flow fan to the battery installation position can be further improved, and the temperature difference in the cabinet body is small.
In a further embodiment of the utility model, the mounting frame 11 comprises a cross beam 111 and a longitudinal beam 112, the cross beam 111 is connected and supported between two adjacently arranged longitudinal beams 112, and between two oppositely arranged cross beams 111 oppositely extending battery support plates 113 are arranged, on which battery support plates 113 the battery 20 can be placed.
Further, the plurality of cross beams 111 are sequentially arranged at intervals in the longitudinal direction of the mounting frame 11, a battery mounting position 11a is defined between two sets of battery support plates 113 which are adjacently arranged in the vertical direction, and the battery 20 can be arranged at the battery mounting position 11a in a drawing, sliding fit or other manners, so that the battery 20 can be conveniently taken and placed.
Referring to fig. 2, in one battery installation site 11a, two battery support plates 113 that are oppositely arranged and extend in opposite directions are arranged at intervals, so as to reserve a space for arranging the fan 30 and the heat exchange portion while ensuring the support effect for the battery 20, and improve the space utilization rate in the installation cavity 10 a.
In some embodiments of the present invention, the evaporator 40 further includes an evaporator 40 body (not shown in the figures), the heat exchange portion is configured as a heat exchange pipe 41, the evaporator 40 body is disposed outside the cabinet 10, the heat exchange pipe 41 is disposed corresponding to the air supply opening 31, and two ends of the heat exchange pipe 41 penetrate through the cabinet 10 and are connected to the evaporator 40 body, and the evaporator 40 body is used for driving a heat exchange medium to flow in the heat exchange pipe 41 to realize circulation of the heat exchange medium. Through arranging the evaporator 40 main part in the outside of the cabinet body 10, can rationally reduce the space that the installation cavity 10a was taken up to evaporator 40, be convenient for arrange parts such as battery 20, fan 30 and heat exchange tube 41 compacter to improve battery cabinet 100's space utilization.
As shown in fig. 5 and 6, in some embodiments of the present invention, the heat exchange tubes 41 are arranged in a continuous S-shape extending along the vertical direction, and the heat exchange tubes 41 are disposed opposite to the air supply opening 31, so that the contact area between the air flow blown out through the air supply opening 31 and the heat exchange tubes 41 can be reasonably increased, and the heat exchange effect between the heat exchange tubes 41 and the air flow can be further improved.
It should be noted that the extending and arranging direction of the heat exchange tubes 41 is not limited to the continuous S-shaped extension, and other extending and arranging manners may be adopted, so that the heat exchange tubes 41 can be fully contacted with the air flow at the air supply opening 31.
In some embodiments of the present invention, the battery cabinet 100 further includes a water pan 50, and the water pan 50 is disposed at the bottom of the cabinet body 10 and arranged below the blower 30 and the evaporator 40, so as to collect condensed water generated by the heat exchange portion through the water pan 50, thereby improving safety of the battery cabinet 100 during heat exchange. It will be appreciated that when the heat exchange portion exchanges heat, condensation will be generated on the outer surface of the heat exchange portion, and when the condensation flows down or drips, the drip tray 50 may collect the condensation.
In a further embodiment of the present invention, the cabinet 10 is provided with a drain opening, which is communicated with the drip pan 50, and condensed water collected by the drip pan 50 can be drained through the drain opening.
In some embodiments of the present invention, the inner surface of the cabinet body 10 is provided with a fire-resistant coating, and the fire-resistant coating is coated on the inner surface of the cover body to improve the thermal runaway protection capability of the battery cabinet 100.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery cabinet, comprising:
the cabinet body is provided with an installation cavity;
a plurality of batteries disposed within the mounting cavity;
the fan is arranged in the mounting cavity, and an air supply outlet of the fan faces the batteries;
the evaporator is provided with a heat exchange part, and the heat exchange part is arranged between the air supply outlet and the plurality of batteries.
2. The battery cabinet of claim 1, wherein the cabinet body comprises:
the mounting frame is provided with a battery mounting position, and the batteries are arranged at the battery mounting position;
the cover plate is covered on the mounting frame to form a closed mounting cavity.
3. The battery cabinet of claim 2, wherein the mounting rack is provided with a plurality of sets of the battery mounting positions arranged along the longitudinal direction.
4. The battery cabinet as recited in claim 3, wherein the blower is further provided with a return air inlet, the supply air outlet of the blower faces at least one group of the battery mounting positions arranged longitudinally, and the return air inlet faces at least one other group of the battery mounting positions arranged longitudinally.
5. The battery cabinet according to claim 4, wherein an angle between the opening direction of the air supply opening and the opening direction of the air return opening is α, and the relationship of 60 ° α or more and 180 ° is satisfied.
6. The battery cabinet according to claim 4, wherein the battery cabinet comprises a plurality of fans, and air supply outlets of the fans are arranged in one-to-one correspondence with the plurality of groups of battery mounting positions arranged in the longitudinal direction.
7. The battery cabinet according to claim 6, wherein two sets of fans and two sets of battery installation positions arranged longitudinally are arranged in the battery cabinet, two fans are arranged diagonally in the battery cabinet, and the air outlets of the two fans are respectively arranged opposite to the two sets of battery installation positions arranged longitudinally.
8. The battery cabinet according to claim 3, wherein the evaporator further comprises an evaporator body, the heat exchange portion is configured as a heat exchange pipe, the evaporator body is arranged outside the cabinet body, the heat exchange pipe is arranged corresponding to the air supply outlet, and two ends of the heat exchange pipe penetrate through the cabinet body and are connected with the evaporator body.
9. The battery cabinet of claim 1, further comprising a water pan disposed at a bottom of an inside of the cabinet body and disposed below the fan and the evaporator.
10. The battery cabinet of claim 1, wherein an interior surface of the cabinet body is provided with a fire retardant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401689.9U CN216793846U (en) | 2022-02-25 | 2022-02-25 | Battery cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401689.9U CN216793846U (en) | 2022-02-25 | 2022-02-25 | Battery cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216793846U true CN216793846U (en) | 2022-06-21 |
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ID=82017682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401689.9U Active CN216793846U (en) | 2022-02-25 | 2022-02-25 | Battery cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216793846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037023A1 (en) * | 2022-08-17 | 2024-02-22 | 比亚迪股份有限公司 | Battery cabinet and energy storage system using same |
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2022
- 2022-02-25 CN CN202220401689.9U patent/CN216793846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037023A1 (en) * | 2022-08-17 | 2024-02-22 | 比亚迪股份有限公司 | Battery cabinet and energy storage system using same |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361006 room 201-1, complex building 5, No. 11, Butang Middle Road, industrial base, Xiamen Torch High tech Zone (Tongxiang), Xiamen, Fujian Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: 361006 room 201-1, complex building 5, No. 11, Butang Middle Road, industrial base, Xiamen Torch High tech Zone (Tongxiang), Xiamen, Fujian Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |