CN113602207A - Multifunctional rotatable electric ceiling screen structure - Google Patents
Multifunctional rotatable electric ceiling screen structure Download PDFInfo
- Publication number
- CN113602207A CN113602207A CN202110815000.7A CN202110815000A CN113602207A CN 113602207 A CN113602207 A CN 113602207A CN 202110815000 A CN202110815000 A CN 202110815000A CN 113602207 A CN113602207 A CN 113602207A
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- display screen
- locking
- driving block
- locking groove
- rotatable electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
- B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0028—Ceiling, e.g. roof rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
- B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a multifunctional rotatable electric ceiling screen structure, which comprises a mounting seat and a display screen rotatably arranged on the mounting seat, and also comprises: the electric transmission mechanism comprises a rotating shaft, a motor shell which can rotate relative to the rotating shaft and is connected with the display screen, and a damping structure arranged in the motor shell; the gravity balance rods are provided with two gravity balance rods which are respectively positioned at two sides of the display screen, each gravity balance rod comprises a shell which is rotatably connected with the mounting seat, an elastic piece which is arranged in the shell and a connecting rod, one end of the connecting rod is connected with the elastic piece, the other end of the connecting rod is rotatably connected with the display screen, and when the display screen is opened relative to the mounting seat, the connecting rod moves towards the direction close to the elastic piece and compresses the elastic piece, so that when the display screen is closed, the elastic piece can provide a pushing effect for the display screen; the two sides of the display screen are provided with rotating parts which can rotate relative to the mounting seat. The invention can play a role in damping the opening of the display screen and pushing the closing of the display screen.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted components, in particular to a multifunctional rotatable electric ceiling screen structure.
Background
With the continuous improvement of living standard of people, the number of private cars is increasing day by day, and various matching devices of the private cars are more complete. Among them, various vehicle-mounted screens are increasingly popular with people, especially with vehicle-mounted ceiling screens.
The vehicle-mounted ceiling screen is an entertainment device which is arranged on the top of a vehicle and is used for playing multimedia information, and has wide application in medium-sized and large-sized vehicles such as multipurpose vehicles, station wagons and the like. The user generally controls the display screen to turn over to open or close through the infrared remote controller, and can set an interface through the remote controller control, adjust the display screen to comfortable angle gear through the button. In the use state, the ceiling screen is opened, and the display screen is approximately vertical to the vehicle roof so as to be convenient for a user to view, and in the closed state, the ceiling screen is rotated and closed, and the display screen is approximately attached to the vehicle roof.
The opening or closing of the display screen is electrically operated and mainly performed through an electric transmission mechanism, the electric transmission mechanism usually comprises a motor, one or two electric transmission mechanisms are generally arranged, and when the two electric transmission mechanisms are arranged, the two electric transmission mechanisms are respectively positioned at the left side and the right side of the display screen. However, the following problems may occur: when only one electric transmission mechanism is arranged, although the cost is low, the display screen can be opened on one side when being closed (the display screen on the driven side can be opened due to one-side driving force); when two electric transmission mechanisms are arranged, the cost is high, and the synchronism of the left side and the right side of the display screen cannot be guaranteed (due to the synchronism problem of the double motors). From this, how guarantee the synchronism of the left and right sides when the display screen is opened or closed, and the unilateral open-ended condition can not appear in the display screen when closed, can open the display screen moreover and have the damping effect, have the impetus to the display screen closure, has become the direction that we thought the design.
Disclosure of Invention
The multifunctional rotary electric ceiling screen structure overcomes the defects of the prior art, can ensure the synchronism of the left side and the right side when the display screen is opened or closed, can prevent the display screen from being opened on one side when the display screen is closed, can play a damping role in opening the display screen, and can push the display screen to be closed.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electronic top screen structure of inhaling of multi-functional rotatable formula, includes the mount pad and rotates the display screen that sets up on the mount pad, still includes:
the electric transmission mechanism comprises a rotating shaft, a motor shell which can rotate relative to the rotating shaft and is connected with the display screen, and a damping structure arranged in the motor shell;
the gravity balance pole, it is equipped with two and is located the both sides position of display screen respectively, each gravity balance pole all includes the shell of being connected with the mount pad rotation, locate elastic component and one end in the shell and the connecting rod that the other end is connected with the elastic component rotation with the display screen and is connected, with when the relative mount pad of display screen is opened, the connecting rod removes and compresses the elastic component to the direction that is close to the elastic component, make when the display screen is closed, the elastic component can provide the impetus for the display screen.
Preferably, the damping structure comprises:
the fixed friction gasket is arranged on the rotating shaft and is fixedly connected with the inner wall of the motor shell;
the movable friction gasket is arranged on the rotating shaft;
and the pressure spring is arranged in the motor shell, is connected with the movable friction gasket and pushes the movable friction gasket against the fixed friction gasket.
Preferably, the mounting seat is provided with a movable locking piece, the display screen is provided with a locking groove matched with the locking piece, and when the display screen is closed and attached to the mounting seat, the locking piece moves close to the locking groove and is inserted into the locking groove; when the relative mount pad of display screen is opened, the locking piece is kept away from locking groove and is removed and break away from locking groove, and the locking piece drives it through actuating mechanism and is close to or keep away from locking groove and remove.
Preferably, the drive mechanism includes:
the locking piece is arranged in the supporting frame in a sliding way;
the driving block is rotatably arranged on the mounting seat and is connected with the locking piece;
and the driving unit is connected with the driving block, so that when the driving block is driven by the driving unit to rotate, the driving block can enable the locking piece to slide in the supporting frame and move away from the locking groove.
Preferably, be equipped with the piece that resets with the locking piece is connected on the support frame to when the locking piece moves away from locking groove and compresses the piece that resets, the piece that resets can provide the restoring force for the locking piece.
Preferably, the driving unit includes an electromagnet assembly and a guide member provided on the driving block.
Preferably, the driving block is in an isosceles triangle shape, one side of the driving block is provided with a tact switch, and the driving block can be abutted against the tact switch when rotating.
Preferably, the two sides of the display screen are provided with rotating parts which can rotate relative to the mounting seat, the rotating parts are connected with mounting rings, and the connecting rods are hinged with the mounting rings.
Preferably, the resilient member is disposed coaxially with the connecting member.
The invention has the beneficial effects that:
the invention has simple structure and reasonable design, can ensure the synchronism of the left side and the right side when the display screen is opened or closed, can not generate the condition of unilateral opening when the display screen is closed, can play a damping role on the opening of the display screen and has a pushing role on the closing of the display screen.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of an installation structure of a gravity balance mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of an installation structure of an electric transmission mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an electric actuator according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a partial internal structure of an electric actuator according to an embodiment of the present invention;
FIG. 6 is a schematic view of a connection structure of a gravity balance mechanism according to an embodiment of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 6;
FIG. 8 is a schematic diagram of the internal structure of a gravity balance mechanism according to an embodiment of the present invention;
FIG. 9 is a schematic view of a connection structure of a gravity balance mechanism and a mounting ring when the display screen is closed according to an embodiment of the present invention and a stress analysis diagram at this time;
FIG. 10 is a schematic view of a connection structure of a gravity balance mechanism and a mounting ring when the display screen according to the embodiment of the present invention is opened and a force analysis diagram at this time;
FIG. 11 is a schematic diagram showing the construction of a locking groove and a locking element according to an embodiment of the present invention;
FIG. 12 is a schematic view of a mounting base with a drive mechanism according to an embodiment of the present invention;
FIG. 13 is a schematic structural diagram of a driving mechanism according to an embodiment of the present invention;
fig. 14 is a schematic structural view of a support frame and a locking member according to an embodiment of the invention.
In the figure: 1. a mounting seat; 2. a display screen; 21. a locking groove; 22. a rotating part; 23. a mounting ring; 3. an electric drive mechanism; 31. a rotating shaft; 32. a motor housing; 33. a damping structure; 331. fixing a friction pad; 332. a movable friction pad; 333. a pressure spring; 4. a gravity balancing pole; 41. a housing; 42. an elastic member; 43. a connecting rod; 5. a locking member; 6. a drive mechanism; 61. a support frame; 611. a reset member; 62. a drive block; 621. a tact switch; 63. a drive unit; 631. an electromagnet assembly; 632. a guide; 633. an electromagnet spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-14, a multifunctional rotatable electric ceiling screen structure comprises a mounting base 1 and a display screen 2 rotatably disposed on the mounting base 1, and further comprises: the electric transmission mechanism 3 comprises a rotating shaft 31, a motor shell 32 which can rotate relative to the rotating shaft 31 and is connected with the display screen 2, and a damping structure 33 arranged in the motor shell 32; the gravity balance rods 4 are provided with two gravity balance rods which are respectively positioned at two sides of the display screen 2, each gravity balance rod 4 comprises a shell 41 rotationally connected with the mounting seat 1, an elastic piece 42 arranged in the shell 41 and a connecting rod 43 with one end connected with the elastic piece 42 and the other end rotationally connected with the display screen 2, so that when the display screen 2 is opened relative to the mounting seat 1, the connecting rod 43 moves towards the direction close to the elastic piece 42 and compresses the elastic piece 42, and when the display screen 2 is closed, the elastic piece 42 can provide a pushing effect for the display screen 2; two sides of the display screen 2 are provided with rotating parts 22 which can rotate relative to the mounting base 1, the rotating parts 22 are connected with mounting rings 23, and the connecting rods 43 are hinged with the mounting rings 23; the elastic member 42 is disposed coaxially with the connection member.
By adopting the technical scheme, in the embodiment of the invention, the mounting base 1 is usually covered with a decorative cover after being mounted on the vehicle roof. And one electric transmission mechanism 3 and two gravity balance rods 4 are provided. The electric transmission mechanism 3 adopts a design similar to an outer rotor motor, namely, the motor shell 32 rotates, but the rotating shaft 31 does not rotate, so that the display screen 2 connected with the motor shell 32 can rotate relative to the mounting base 1. The damping structure 33 is mainly used to eliminate the gap, so that when the display screen 2 is rotated to a certain angle or closed, the display screen will not shake due to external environmental factors (such as the vehicle running on a pothole road or the ceiling screen being collided). And the arrangement of the gravity balance rod 4, when the electric transmission mechanism 3 opens or closes the display screen 2, the gravity balance rod 4 can also participate in the work in the process of opening or closing the display screen 2, and through the arrangement of the elastic member 42 (preferably a spring), the gravity balance mechanism can have a damping effect on the opening of the display screen 2 and a pushing effect on the closing of the display screen 2. As shown in fig. 9 and 10, when the display screen 2 is closed, the end of the connecting rod 43 is located above the mounting ring 23, and the gravity borne by the display screen 2 is the largest, i.e., the gravitational moment is the largest, and although the spring compression amount of the gravity balance mechanism is the smallest at this time, the force arm is the largest, so that the torque is the largest, and most of the gravitational moment can be offset; as shown in fig. 10, the display screen 2 is in an open state, the end of the connecting rod 43 is located at the right side of the mounting ring 23, the moment of gravity applied to the display screen is the smallest, and although the spring compression amount of the gravity balance mechanism is the largest and the spring force is the largest, the resultant forces abut against each other on a straight line, so that the torque is zero, and no force acts on the display screen 2. Therefore, the gravity balance mechanism can push the closing direction of the display screen 2 and has a damping effect on the opening direction of the display screen 2.
As a modified embodiment, the damping structure 33 includes: a fixed friction pad 331 which is provided on the rotation shaft 31 and is fixedly connected with the inner wall of the motor case 32; a movable friction pad 332 provided on the rotating shaft 31; and a pressure spring 333 which is provided in the motor case 32, connected to the movable friction pad 332, and which abuts the movable friction pad 332 against the fixed friction pad 331.
Through adopting above-mentioned technical scheme, because fixed friction gasket 331 is connected with motor casing 32, when fixed friction gasket 331 rubs with pivot 31, pressure spring 333 can be with activity friction gasket 332 butt and compress tightly in fixed friction gasket 331 to form the damping, make and be similar to the brake structure, so alright eliminate the size clearance.
As a modified embodiment, the mounting base 1 is provided with a movable locking piece 5, the display screen 2 is provided with a locking groove 21 matched with the locking piece 5, so that when the display screen 2 is closed and attached to the mounting base 1, the locking piece 5 moves close to the locking groove 21 and is inserted into the locking groove 21; when the display screen 2 is opened relative to the mounting seat 1, the locking piece 5 moves away from the locking groove 21 and is separated from the locking groove 21, and the locking piece 5 is driven by the driving mechanism 6 to move close to or away from the locking groove 21.
Through adopting above-mentioned technical scheme, can realize through actuating mechanism 6 that locking piece 5 is close to or keeps away from locking groove 21 and removes, realize the locking and the unblock of display screen 2 and mount pad 1.
As a modified embodiment, the drive mechanism 6 includes: the supporting frame 61 is arranged on the mounting seat 1, and the locking piece 5 is slidably arranged in the supporting frame 61; a driving block 62 which is rotatably provided on the mount 1 and is connected to the locking member 5; and a driving unit 63 connected with the driving block 62 such that the driving block 62 can cause the locking piece 5 to slide in the supporting bracket 61 and move away from the locking groove 21 when the driving block 62 is driven to rotate by the driving unit 63.
Through adopting above-mentioned technical scheme, so set up, when drive unit 63 drove drive block 62 and rotates, drive block 62 just can drive locking piece 5 and slide to the bottom of support frame 61, keeps away from locking groove 21 removal promptly.
As a modified embodiment, the support frame 61 is provided with a reset member 611 connected to the locking member 5, so that the reset member 611 provides a restoring force to the locking member 5 when the locking member 5 moves away from the locking groove 21 and compresses the reset member 611.
By adopting the above technical scheme, the reset piece 611 can be a spring, when the locking piece 5 slides to the bottom of the support frame 61, the locking piece 5 can compress the spring, and then, the spring can provide restoring force for the reset of the locking piece 5 and the driving block 62.
As a modified embodiment, the driving unit 63 includes an electromagnet assembly 631, a guide member 632 disposed on the driving block 62, and an electromagnet spring 633 disposed between the electromagnet assembly 631 and the guide member 632.
Through adopting above-mentioned technical scheme, so set up, structural design is reasonable for drive unit 63 can drive block 62 smoothly and rotate.
As a modified embodiment, the driving block 62 is in the shape of an isosceles triangle, a tact switch 621 is disposed on one side of the driving block 62, the driving block 62 can abut against the tact switch 621 when rotating, and the driving block 62 rotates around a rotation axis.
By adopting the above technical scheme, the driving block 62 can be optimized to be in the shape of an isosceles right triangle, and the specific operation steps of the driving mechanism 6 are as follows: when display screen 2 is opened, through infrared remote controller to the infrared PCBA transmission signal on the mount pad 1, signal on the infrared PCBA passes through on the pencil transmits mainboard PCBA, mainboard PCBA analyzes the signal and controls the work of electromagnet assembly 631, electromagnet assembly 631 is gone up the electricity and is produced horizontal force and promote the drive block 62 and rotate, when drive block 62 rotates the process and dabs switch 621 butt, electromagnet assembly 631 outage stop work, at this moment, piece 611 that resets can make locking piece 5 and driving piece reset. And when display screen 2 closed, when display screen 2 touched locking piece 5 in the closure process, the power that locking piece 5 received can be greater than the power that resets 611 (being the spring), and locking piece 5 compression spring slides in support frame 61 this moment, and until display screen 2 is closed completely, locking piece 5 removed locking groove 21 and with display screen 2 lock because the effect of spring this moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an electronic top screen structure of inhaling of multi-functional rotatable formula, includes the mount pad and rotates the display screen that sets up on the mount pad, its characterized in that still includes:
the electric transmission mechanism comprises a rotating shaft, a motor shell which can rotate relative to the rotating shaft and is connected with the display screen, and a damping structure arranged in the motor shell;
the gravity balance pole, it is equipped with two and is located the both sides position of display screen respectively, each gravity balance pole all includes the shell of being connected with the mount pad rotation, locate elastic component and one end in the shell and the connecting rod that the other end is connected with the elastic component rotation with the display screen and is connected, with when the relative mount pad of display screen is opened, the connecting rod removes and compresses the elastic component to the direction that is close to the elastic component, make when the display screen is closed, the elastic component can provide the impetus for the display screen.
2. The multifunctional rotatable electric ceiling screen structure of claim 1, wherein the damping structure comprises:
the fixed friction gasket is arranged on the rotating shaft and is fixedly connected with the inner wall of the motor shell;
the movable friction gasket is arranged on the rotating shaft;
and the pressure spring is arranged in the motor shell, is connected with the movable friction gasket and pushes the movable friction gasket against the fixed friction gasket.
3. The multifunctional rotatable electric ceiling screen structure according to claim 1 or 2, wherein the mounting base is provided with a movable locking member, and the display screen is provided with a locking groove adapted to the locking member, so that when the display screen is closed and attached to the mounting base, the locking member moves close to the locking groove and is inserted into the locking groove; when the relative mount pad of display screen is opened, the locking piece is kept away from locking groove and is removed and break away from locking groove, and the locking piece drives it through actuating mechanism and is close to or keep away from locking groove and remove.
4. The multifunctional rotatable electric ceiling screen structure of claim 3, wherein the driving mechanism comprises:
the locking piece is arranged in the supporting frame in a sliding way;
the driving block is rotatably arranged on the mounting seat and is connected with the locking piece;
and the driving unit is connected with the driving block, so that when the driving block is driven by the driving unit to rotate, the driving block can enable the locking piece to slide in the supporting frame and move away from the locking groove.
5. The multifunctional rotatable electric ceiling screen structure according to claim 4, wherein the support frame is provided with a reset member connected to the locking member, so that the reset member provides a restoring force to the locking member when the locking member moves away from the locking groove and compresses the reset member.
6. The multifunctional rotatable electric ceiling screen structure of claim 4, wherein the driving unit comprises an electromagnet assembly and a guide member provided on the driving block.
7. The multifunctional rotatable electric ceiling screen structure of claim 5, wherein the driving block is in the shape of an isosceles triangle, one side of the driving block is provided with a tact switch, and the driving block can abut against the tact switch when rotating.
8. The multifunctional rotatable electric ceiling screen structure of claim 1, wherein the display screen is provided with a rotating part at two sides thereof, the rotating part can rotate relative to the mounting base, the rotating part is connected with a mounting ring, and the connecting rod is hinged with the mounting ring.
9. The multifunctional rotatable electric ceiling screen structure according to claim 8, wherein the elastic member is coaxially disposed with the connecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815000.7A CN113602207B (en) | 2021-07-19 | 2021-07-19 | Multifunctional rotatable electric ceiling screen structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815000.7A CN113602207B (en) | 2021-07-19 | 2021-07-19 | Multifunctional rotatable electric ceiling screen structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113602207A true CN113602207A (en) | 2021-11-05 |
| CN113602207B CN113602207B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110815000.7A Active CN113602207B (en) | 2021-07-19 | 2021-07-19 | Multifunctional rotatable electric ceiling screen structure |
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| Country | Link |
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| CN (1) | CN113602207B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096690A (en) * | 2000-09-25 | 2002-04-02 | Sony Corp | Retract device |
| US6364390B1 (en) * | 2000-07-28 | 2002-04-02 | Rosen Products, Llc | Vehicle display monitor system with improved retention system |
| JP2004217079A (en) * | 2003-01-15 | 2004-08-05 | Yuhshin Co Ltd | Monitor opening and closing device |
| CN201347037Y (en) * | 2009-01-14 | 2009-11-18 | 厦门厦华新技术有限公司 | Electric overturning mechanism for vehicle-mounted display |
| CN203770377U (en) * | 2014-01-22 | 2014-08-13 | 日升五金制品（深圳）有限公司 | Rotating connection structure for overturning cover |
-
2021
- 2021-07-19 CN CN202110815000.7A patent/CN113602207B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6364390B1 (en) * | 2000-07-28 | 2002-04-02 | Rosen Products, Llc | Vehicle display monitor system with improved retention system |
| JP2002096690A (en) * | 2000-09-25 | 2002-04-02 | Sony Corp | Retract device |
| JP2004217079A (en) * | 2003-01-15 | 2004-08-05 | Yuhshin Co Ltd | Monitor opening and closing device |
| CN201347037Y (en) * | 2009-01-14 | 2009-11-18 | 厦门厦华新技术有限公司 | Electric overturning mechanism for vehicle-mounted display |
| CN203770377U (en) * | 2014-01-22 | 2014-08-13 | 日升五金制品（深圳）有限公司 | Rotating connection structure for overturning cover |
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| Publication number | Publication date |
|---|---|
| CN113602207B (en) | 2023-04-07 |
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Address after: No. 289 and 291, Binhai Second Road, Wenzhou Economic and Technological Development Zone, Wenzhou, Zhejiang 325000 Applicant after: Zhejiang Changjiang Automobile Electronics Co.,Ltd. Address before: No.289, Binhai 2nd Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province 325000 Applicant before: WENZHOU CHANGJIANG AUTOMOBILE ELECTRONIC SYSTEM Co.,Ltd. |
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