CN214280247U - Circuit board and vehicle-mounted charger - Google Patents
Circuit board and vehicle-mounted charger Download PDFInfo
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- CN214280247U CN214280247U CN202023337818.2U CN202023337818U CN214280247U CN 214280247 U CN214280247 U CN 214280247U CN 202023337818 U CN202023337818 U CN 202023337818U CN 214280247 U CN214280247 U CN 214280247U
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Abstract
The application provides a circuit board and a vehicle-mounted charger, wherein the circuit board comprises a circuit board body and a terminal fixing seat, the terminal fixing seat comprises a bottom plate, one end, opposite to the bottom plate, of the terminal fixing seat forms an opening end, a pin is arranged on the opening end, and a first mounting hole is formed in the bottom plate; the circuit board body is provided with a plurality of through holes, and the front ends of the pins penetrate through the through holes from the back side of the circuit board body and are then welded with the front side of the circuit board body so as to install the terminal fixing seats on the back side of the circuit board body; the circuit board body is provided with a second mounting hole, and the second mounting hole is used for the mounting part to pass through and be fixed in the first mounting hole so as to connect the wiring terminal in the terminal fixing seat. This application can improve the space utilization of circuit board with the welding of terminal fixing base at the reverse side of circuit board body to openly carry out binding post's assembly, convenient operation from the circuit board through the second mounting hole.
Description
Technical Field
The application belongs to the technical field of power electronic power devices, and particularly relates to a circuit board and a vehicle-mounted charger.
Background
With the continuous progress of the technology, some power supply products such as the vehicle-mounted power supply module gradually develop towards the direction of miniaturization, light weight and precision, the circuit board is an important component of the vehicle-mounted power supply module, and the structure and the size of the vehicle-mounted power supply module are determined to a great extent.
The wiring terminal is a common accessory for realizing electrical connection, and the wiring terminal does not have a fixing device and needs to be assembled through a terminal fixing seat. Among the prior art, the terminal fixing base is welded in the front of circuit board usually, because terminal fixing base itself has certain height, can be higher than the circuit board by one section after the welding, after assembly binding post, the height of fixing base itself is high binding post and fixing bolt's height in addition, can be higher than the circuit board more, has caused the waste in circuit board top space, when this kind of circuit board is applied to on-vehicle power module, can't satisfy miniaturization, lightweight demand.
SUMMERY OF THE UTILITY MODEL
The application provides a circuit board and on-vehicle machine that charges can improve the space utilization of circuit board.
In a first aspect, a circuit board is provided, which includes a circuit board body and a terminal fixing base;
the terminal fixing seat comprises a bottom plate, an opening end is formed at one end, opposite to the bottom plate, of the terminal fixing seat, pins are arranged on the opening end, and a first mounting hole is formed in the bottom plate;
the circuit board body is provided with a plurality of through holes, and the front ends of the pins penetrate through the through holes from the back surface of the circuit board body and are then welded with the front surface of the circuit board body so as to install the terminal fixing seats on the back surface of the circuit board body;
the circuit board body is provided with a second mounting hole, and the second mounting hole is used for allowing a mounting part to penetrate through and be fixed in the first mounting hole so as to connect the wiring terminal in the terminal fixing seat.
The application provides a circuit board, the front end of the pin of terminal fixing base pass behind the through-hole with the positive welding of circuit body, keep the electric connection of electronic components on terminal fixing base and the circuit body, and the terminal fixing base is installed in the reverse side of circuit body, has saved the positive space of circuit body, and then makes the vehicle mounted power module's of using this circuit board space utilization higher, satisfies miniaturization, lightweight characteristics. Binding post installs in the inside of terminal fixing base, has reduced the height of whole binding post and terminal fixing base structure, has further saved the space. And the second mounting hole has been seted up on the circuit board body, when carrying out binding post's assembly, operates from the front of circuit board body, makes the installed part pass second mounting hole, the through-hole and the first mounting hole of binding post stiff end in proper order, fixes the installed part in order to realize fixing binding post in the inside of terminal fixing base in first mounting hole. The terminal fixing seat is installed on the reverse side of the circuit board body, but the assembling process of the wiring terminal is still carried out on the front side of the circuit board, the assembling operation is convenient, and the problems of restriction of sequence and mutual restriction of components during assembling can be avoided.
With reference to the first aspect, in certain implementation manners of the first aspect, the terminal fixing base is a U-shaped structure, two opposite sides of the bottom plate are respectively provided with a side plate, and the pin is located at one end of the side plate, which is far away from the bottom plate.
Binding post is fixed in the inside of terminal fixing base, inside the U-shaped structure that bottom plate and two curb plates formed promptly, utilizes the structure characteristics of terminal fixing base itself to install binding post inside the terminal fixing base, does not occupy the outside space of terminal fixing base, compares with prior art's assembly method, has reduced the height of assembly binding post's terminal fixing base, and then has saved the space of circuit board.
With reference to the first aspect, in certain implementations of the first aspect, the first mounting hole is a screw hole penetrating vertically, the mounting member is a mounting bolt, and the mounting bolt is screwed into the screw hole.
When assembling the wiring terminal, the mounting bolt sequentially passes through the through hole and the screw hole of the second mounting hole and the wiring terminal fixed end, and is screwed down from the front of the circuit board body, so that the mounting bolt is screwed in the screw hole, and the mounting bolt compresses the fixed end of the wiring terminal on the inner surface of the bottom plate so as to fix the wiring terminal in the terminal fixing seat.
Optionally, the outer side of the bottom plate is provided with a press-riveting nut opposite to the screw hole.
Be equipped with many rings of screw threads in the pressure rivet nut, through pressure rivet nut and mounting bolt spiro union for the relation of connection of mounting bolt and terminal fixing base is more firm, and then fixed binding post that can be better. Through setting up the nut, can avoid appearing the not hard up phenomenon of binding post that causes because of the smooth silk of bolt, ensured binding post and the abundant contact of terminal fixing base, make electrical connection keep the intercommunication often.
With reference to the first aspect, in some implementations of the first aspect, the two side plates of the terminal fixing base form a limiting structure that limits the rotation of the connection terminal.
The wiring terminals are pressed and fixed on the inner surface of the bottom plate by the mounting bolts, and the wiring terminals may swing left and right along with the rotation of the mounting bolts during the process of screwing the bolts, and if the wiring terminals contact other adjacent wiring terminals during the swing process, accidents such as short circuit and the like may be caused. In the implementation mode, the two side plates of the terminal fixing seat are located on two sides of the wiring terminal, the natural limiting effect is achieved, the wiring terminal is limited to rotate along with the mounting bolt, safety in the assembling process is guaranteed, an extra limiting structure is not needed to be designed, the manufacturing process can be simplified, cost is reduced, and better economic benefit is achieved.
Optionally, each of the side plates is provided with two pins, and the two pins are oppositely disposed at two edges of the side plate.
The pins are used for welding the terminal fixing seats on the circuit board body and simultaneously realizing the electric connection of the circuit board body and the terminal fixing seats.
Optionally, the terminal fixing base is made into an integral structure by an integral molding process.
Specifically, the integral structure may be made by casting, forging, or the like. The structure of the terminal fixing seat manufactured by the integral molding process has better stability, and split welding is not needed during manufacturing, so that the manufacturing speed is high, and the manufacturing efficiency is high.
Optionally, the wire connection terminal is an OT terminal.
Optionally, the circuit board body is a printed circuit board.
In a second aspect, the present application provides a vehicle-mounted charger, where the vehicle-mounted charger includes the circuit board of any one of the above first aspect and the first aspect, so that the vehicle-mounted charger has the above beneficial effects, and is not described herein again.
Drawings
Fig. 1 is a schematic structural diagram of a circuit board provided in an embodiment of the present application;
fig. 2 is a schematic structural view of a terminal fixing base provided in the embodiment of the present application;
fig. 3 is a schematic structural view of the inverted terminal fixing base provided in the embodiment of the present application.
Reference numerals:
1. a terminal holder; 11. a base plate; 12. a side plate; 13. a pin; 14. a first mounting hole; 2. a circuit board body; 3. a through hole; 4. a second mounting hole; 5. a mounting member; 6. a wiring terminal; 7. pressing and riveting the nut; 8. a support pillar; 9. and a support plate.
Detailed Description
Reference will now be made in detail to embodiments of the present application, 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 and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it is to be understood that the terms "upper", "lower", "side", "front", "rear", and the like indicate orientations or positional relationships based on installation, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
It should be noted that the same reference numerals are used to denote the same components or parts in the embodiments of the present application, and for the same parts in the embodiments of the present application, only one of the parts or parts may be given the reference numeral, and it should be understood that the reference numerals are also applicable to the other same parts or parts.
In the prior art, the terminal fixing seat is usually welded on the front surface of the circuit board, after the wiring terminal is assembled by the mounting bolt and connected with the cable, the structure of the whole terminal fixing seat is much higher than the circuit board, when the circuit board is packaged to form the vehicle-mounted power supply module, the space higher than the circuit board needs to be reserved, the waste to the space is caused, and the vehicle-mounted power supply module using the circuit board is large in shape. The reverse side below of circuit board has certain space, but if with present commonly used terminal fixing base lug weld on the reverse side, the assembly of binding post also needs to go on from the reverse side, can receive the restriction of other subassemblies in the actual operation process, thereby can't assemble binding post and can't realize electrical connection.
Here, the front and back surfaces of the printed circuit board are mounted, and the operation of mounting the terminal is performed on the front surface.
The embodiment of the application provides a circuit board, is applied to the on-vehicle product of new forms of energy for example in the on-vehicle machine that charges, can improve space utilization to conveniently assemble binding post. Fig. 1 is a schematic structural diagram of a circuit board provided in an embodiment of the present application, and fig. 2 and fig. 3 are schematic structural diagrams of a terminal fixing base provided in an embodiment of the present application, which is placed right and upside down, respectively.
As shown in fig. 1, an embodiment of the present application provides a circuit board, which includes a circuit board body 2 and a terminal fixing base 1.
As shown in fig. 2, the terminal fixing base 1 includes a bottom plate 11, an opening end is formed at an end of the terminal fixing base 1 opposite to the bottom plate 11, a pin 13 is disposed on the opening end, and a first mounting hole 14 is formed on the bottom plate 11;
as shown in fig. 1, a plurality of through holes 3 are formed in the circuit board body 2, and the front ends of the pins 13 of the terminal fixing seats 1 are welded to the front surface of the circuit board body 2 after penetrating through the through holes 3 from the back surface of the circuit board body 2, so that the terminal fixing seats 1 are installed on the back surface of the circuit board body 2, and the terminal fixing seats 1 are electrically connected with electronic components on the circuit board body 2.
As shown in fig. 1, the circuit board body 2 is provided with a second mounting hole 4, and the second mounting hole 4 is used for the mounting member 5 to pass through and be fixed in the first mounting hole 14, so as to connect the connection terminal 6 to the inside of the terminal fixing base 1.
Specifically, the process of assembling the connection terminal 6 is performed on the front surface of the circuit board body 2, and the mounting member 5 passes through the second mounting hole 4 and is fixed in the first mounting hole 14 of the terminal fixing base 1, so that the connection terminal 6 is fixed in the terminal fixing base 1. In the assembling process, the fixed end of the connection terminal 6 is placed on the inner surface of the base plate 11, the mounting member 5 is made to sequentially pass through the second mounting hole 4, the through hole of the fixed end of the connection terminal 6, and the first mounting hole 14, and then the mounting member 5 is fixed in the first mounting hole 14 to achieve the fixation of the connection terminal 6.
According to the circuit board that this application embodiment provided, the front end of pin 13 of terminal fixing base 1 passes behind through-hole 3 and welds with the front of circuit body 2, keeps terminal fixing base 1 and the electric connection of the electronic components on the circuit board body 2, and terminal fixing base 1 is installed in the reverse side of circuit board body 2, has saved the positive space of circuit board body 2, and then makes the space utilization of the vehicle mounted power module who uses this circuit board higher, satisfies miniaturization, lightweight characteristics. Binding post 6 installs in the inside of terminal fixing base 1, has reduced the height of whole binding post and terminal fixing base structure, has further saved the space. And the second mounting hole 4 has been seted up on circuit board body 2, when carrying out binding post 6's assembly, operates from circuit board body 2's front, makes installed part 5 pass second mounting hole 4, the through-hole and the first mounting hole 14 of binding post 6 stiff end in proper order, fixes installed part 5 in first mounting hole 14 in order to realize fixing binding post 6 in the inside of terminal fixing base 1. The terminal fixing seat 1 is installed on the reverse side of the circuit board body, but the assembling process of the wiring terminal 6 is still carried out on the front side of the circuit board, the assembling operation is convenient, and the problems of restriction of sequence and mutual restriction of components during assembling can be avoided.
As shown in fig. 2 and fig. 3, the terminal fixing base 1 is a U-shaped structure, two opposite sides of the bottom plate 11 are respectively provided with a side plate 12, and the pin 13 is located at one end of the side plate 12 far away from the bottom plate 11.
Alternatively, the first mounting hole 14 is a vertically through screw hole, and the mounting member 5 is a mounting bolt screwed into the screw hole when the connection terminal 6 is assembled.
When assembling the wiring terminal 6, the mounting bolt is made to sequentially pass through the through hole and the screw hole of the second mounting hole 4 and the fixing end of the wiring terminal 6, and the mounting bolt is screwed down from the front side of the circuit board body 2, so that the mounting bolt is screwed in the screw hole, and the fixing end of the wiring terminal 6 is pressed tightly on the inner surface of the bottom plate 11 by the mounting bolt, so that the wiring terminal 6 is fixed in the terminal fixing seat 1.
Alternatively, as shown in fig. 2 and 3, a clinch nut 7 is provided on the outer side of the base plate 11 opposite to the screw hole.
The press riveting nut 7 is installed on the outer side of the bottom plate 11 through a press riveting process and is opposite to the screw hole. In this implementation manner, the mounting position of the wiring terminal 6 is unchanged, and the front end of the mounting bolt passes through the second mounting hole 4 and the screw hole to be in threaded connection with the press-riveting nut 7, so as to fix the wiring terminal 6 inside the terminal fixing seat 1.
Be equipped with many rings of screw threads in the pressure rivet nut 7, through pressure rivet nut 7 and mounting bolt spiro union for mounting bolt and terminal fixing base 1's relation of connection is more firm, and then fixed binding post 6 that can be better. Through setting up the nut, can avoid appearing being connected not hard up phenomenon because of binding post 6 that the smooth silk of bolt caused with terminal fixing base 1, guaranteed binding post 6 and terminal fixing base 1 abundant contact, make electrical connection keep the intercommunication often.
In addition, in this way of assembling the terminal 6, the two side plates 12 of the terminal holder 1 form a limit structure for limiting the rotation of the terminal 6.
The terminal 6 is press-fitted and fixed to the inner surface of the base plate 11 by the mounting bolt, and during tightening of the bolt, the terminal 6 may swing left and right with rotation of the mounting bolt, and if it contacts another adjacent terminal during the swing, an accident such as a short circuit may occur. And in the assembly method of this application embodiment, two curb plates 12 of terminal fixing base 1 are located binding post 6's both sides, have natural limiting displacement, and restriction binding post 6 has guaranteed the security in the assembling process along with the rotation of construction bolt to need not to design extra limit structure, can simplify manufacturing process and then reduce cost, have better economic benefits.
It should be understood that the width of the bottom plate 11 of the terminal fixing base 1, i.e. the distance between the two sides of the two side plates 12 connected with the top plate 11, should not be too large than the width of the connecting terminal 6, otherwise the connecting terminal 6 can not contact the side plates 12 in the rotating process, and the side plates 12 do not play a role in limiting the rotation.
Alternatively, as shown in fig. 2 and 3, two pins 13 are disposed on each side plate 12 of the terminal fixing base 1, and the two pins 13 are disposed opposite to two edges of the side plate 12.
The pins 13 are used for soldering the terminal fixing base 1 on the circuit board body 2 and simultaneously realizing the electrical connection between the circuit board body 2 and the terminal fixing base 1. Illustratively, after the front ends of the pins 13 pass through the through holes 3 from the reverse side of the circuit board body 2, the pins 13 are soldered on the through holes 3 by soldering tin, and simultaneously, the functions of electric conduction and fixation are realized, the pins 13 contact the copper foil of the circuit board body 2 to realize electric connection, and the terminal fixing seats 1 are installed and fixed on the reverse side of the circuit board body 2.
Alternatively, the bottom plate 11, the side plate 12 and the pins 13 of the terminal holder 1 are made into an integral structure by an integral molding process. The structure is integrated.
Illustratively, the terminal fixing base 1 is manufactured by a die casting process, molten metal for manufacturing the terminal fixing base 1 is pressed into a die, and the die is removed after a casting is solidified, so that the terminal fixing base 1 with a U-shaped structure is obtained.
Alternatively, the terminal holder 1 may be manufactured by a forging process, and a forging machine is used to apply pressure to the metal material for manufacturing the terminal holder 1, so as to deform the metal material into a U-shaped structure as shown in fig. 2.
The terminal fixing seat 1 structure manufactured by the integral forming process has better stability, does not need to be subjected to split welding during manufacturing, and is high in manufacturing speed and high in manufacturing efficiency.
Preferably, the material of the terminal fixing base 1 is copper, aluminum, or the like.
Copper is a metal having good conductivity, and the use of the copper cast terminal holder 1 ensures good conductivity of electrical connection. Meanwhile, copper also has good metal processing characteristics and high corrosion resistance, and the processing technology is simple and has long service life. The conductivity of the aluminum is better, and the preparation cost is lower.
Alternatively, the connection terminal 6 is an OT terminal or a U-shaped terminal. When assembling the OT terminal, the O-shaped structure of the OT terminal is placed on the inner surface of the bottom plate 11, the T-shaped structure protrudes out of the edge of the bottom plate 11 toward the direction of the preparatory wiring, and the mounting bolt passes through the second mounting hole 4 and the through hole on the O-shaped structure to be in threaded connection with the screw hole or the press-riveting nut 7, so as to fix the OT terminal inside the terminal fixing seat 1.
It should be understood that the terminal 6 includes, but is not limited to, an OT terminal or a U-shaped terminal, and any type of terminal that can be assembled by bolting is within the scope of the present application.
Alternatively, as shown in fig. 1, the circuit board body 2 is fixed on the support plate 9 by the support columns 8.
Specifically, four support columns 8 are respectively located at four corners of the rectangular support plate 9, so that the circuit board body 2 is supported and fixed.
Optionally, the second mounting hole 4 on the circuit board body 2 is a circular hole. Preferably, the second mounting hole 4 is disposed opposite to the first mounting hole 14, and the diameter of the second mounting hole 4 is larger than that of the first mounting hole 14, so that the mounting member 5 can more easily pass through the first mounting hole 14 through the second mounting hole 4 when the connection terminal 6 is fixed by the mounting member 5, and the mounting member 5 is not restricted by the size of the aperture of the second mounting hole 4 when the mounting member 5 is fixed.
Optionally, the Circuit Board body 2 is a Printed Circuit Board (PCB).
In other embodiments, the terminal fixing base 1 can also be soldered to the reverse side of other types of circuit boards, so as to achieve the similar advantages as the embodiments of the present application.
For example, the other type of circuit board may be a ceramic circuit board, an aluminum substrate, a high frequency board, a thick copper board, an impedance board, an ultra-thin circuit board, or the like.
The embodiment of the application further provides a vehicle-mounted charger which comprises the circuit board provided by the embodiment. The vehicle-mounted charger is fixedly installed on the electric automobile, converts alternating current of a power grid into direct current required by a vehicle-mounted power battery and charges the direct current. The vehicle-mounted charger mainly comprises an alternating current input interface unit, a power unit, a control unit and a direct current output interface unit, and a circuit with corresponding functions is designed for each unit to realize the charging function of the vehicle-mounted charger.
Because the vehicle-mounted charger adopts the circuit board provided by the embodiment, the vehicle-mounted charger also has the technical effect corresponding to the circuit board, and the details are not repeated herein.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. The circuit board is characterized by comprising a circuit board body (2) and a terminal fixing seat (1), wherein the terminal fixing seat (1) comprises a bottom plate (11), one end, opposite to the bottom plate (11), of the terminal fixing seat (1) forms an opening end, a pin (13) is arranged on the opening end, and a first mounting hole (14) is formed in the bottom plate (11);
the circuit board body (2) is provided with a plurality of through holes (3), and the front ends of the pins (13) penetrate through the through holes (3) from the back side of the circuit board body (2) and then are welded with the front side of the circuit board body (2) so as to install the terminal fixing seats (1) on the back side of the circuit board body (2);
be provided with second mounting hole (4) on circuit board body (2), second mounting hole (4) are used for supplying installed part (5) to pass and are fixed in first mounting hole (14) to connect binding post (6) in the inside of terminal fixing base (1).
2. The circuit board according to claim 1, wherein the terminal holder (1) is U-shaped, two opposite sides of the bottom plate (11) are respectively provided with a side plate (12), and the pin (13) is located at an end of the side plate (12) away from the bottom plate (11).
3. The circuit board according to claim 2, wherein the first mounting hole (14) is a vertically penetrating screw hole, and the mounting member (5) is a mounting bolt screwed into the screw hole.
4. A circuit board according to claim 3, characterized in that the outer side of the base plate (11) facing the screw hole is provided with a clinch nut (7).
5. A circuit board according to claim 2 or 3, characterized in that the two side plates (12) of the terminal holder (1) form a limiting structure for limiting the rotation of the terminal (6).
6. A circuit board according to claim 2 or 3, characterized in that each side plate (12) is provided with two pins (13), and the two pins (13) are oppositely arranged at two edges of the side plate (12).
7. A circuit board according to any one of claims 1-3, characterized in that the terminal holder (1) is made in one piece by an integral molding process.
8. A circuit board according to any one of claims 1-3, characterised in that the connection terminal (6) is an OT terminal.
9. A circuit board according to any one of claims 1-3, characterized in that the circuit board body (2) is a printed circuit board.
10. A vehicle-mounted charger, characterized in that it comprises a circuit board according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023337818.2U CN214280247U (en) | 2020-12-30 | 2020-12-30 | Circuit board and vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023337818.2U CN214280247U (en) | 2020-12-30 | 2020-12-30 | Circuit board and vehicle-mounted charger |
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| Publication Number | Publication Date |
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| CN214280247U true CN214280247U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023337818.2U Active CN214280247U (en) | 2020-12-30 | 2020-12-30 | Circuit board and vehicle-mounted charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361818A (en) * | 2021-12-23 | 2022-04-15 | 华为数字能源技术有限公司 | Electronic equipment, circuit board assembly and power module |
-
2020
- 2020-12-30 CN CN202023337818.2U patent/CN214280247U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361818A (en) * | 2021-12-23 | 2022-04-15 | 华为数字能源技术有限公司 | Electronic equipment, circuit board assembly and power module |
| CN114361818B (en) * | 2021-12-23 | 2024-05-17 | 华为数字能源技术有限公司 | Electronic equipment, circuit board assembly and power module |
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Address after: A301-05b14, block a, Xi'an National Digital publishing base, No. 996, tianguqi Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Xi'an lingchong chuangxiang New Energy Technology Co.,Ltd. Patentee after: Xi'an telingchong New Energy Technology Co.,Ltd. Address before: A301-05b14, block a, Xi'an National Digital publishing base, No. 996, tianguqi Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee before: Xi'an lingchong chuangxiang New Energy Technology Co.,Ltd. Patentee before: Xi'an teride lingchong New Energy Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: A301-05b14, block a, Xi'an National Digital publishing base, No. 996, tianguqi Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Xi'an lingchong chuangxiang New Energy Technology Co.,Ltd. Patentee after: Xi'an Lingchong Infinite New Energy Technology Co.,Ltd. Address before: A301-05b14, block a, Xi'an National Digital publishing base, No. 996, tianguqi Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee before: Xi'an lingchong chuangxiang New Energy Technology Co.,Ltd. Patentee before: Xi'an telingchong New Energy Technology Co.,Ltd. |