CN213167950U - Signal control device of electric vehicle - Google Patents
Signal control device of electric vehicle Download PDFInfo
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- CN213167950U CN213167950U CN202021508086.6U CN202021508086U CN213167950U CN 213167950 U CN213167950 U CN 213167950U CN 202021508086 U CN202021508086 U CN 202021508086U CN 213167950 U CN213167950 U CN 213167950U
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Abstract
The embodiment of the utility model discloses signal control device of electric motor car, the device includes: the key assembly, the display assembly, the motor controller and the signal processing circuit; the key assembly comprises a plurality of key units, the display assembly comprises a plurality of display units, the motor controller is electrically connected with each key unit respectively, and the signal processing circuit is electrically connected with each display unit respectively; the motor controller is used for acquiring the key state information of each key unit and transmitting the key state information through a first bus; the signal processing circuit is used for collecting the key state information of the key unit from the first bus and driving the corresponding display unit to emit light when detecting that the key state information contains a starting instruction. The embodiment of the utility model provides an in, reduced the signal acquisition circuit, practiced thrift whole car cost, reduced signal processing circuit and the line quantity of walking of signal transmission between the key unit, simplified signal control device structure, improved driving safety nature.
Description
Technical Field
The embodiment of the utility model provides a relate to electric motor car technical field, especially relate to a signal control device of electric motor car.
Background
At present, the electric vehicle industry develops rapidly, and the electric vehicle has various types, such as two-wheeled electric bicycles, light motorcycles and electric motorcycles, three-wheeled electric vehicles and four-wheeled electric vehicles, and the market share is very high. The electric vehicle is generally provided with a plurality of switch keys, such as a gear switch, a light control switch, a rotating handle and the like; when a driver drives the electric vehicle, the switch key is manually controlled, so that the electric vehicle executes corresponding operation.
Specifically, the electric vehicle comprises a controller and a central control module, after a driver triggers a switch key, a switch key signal directly enters the controller, and if the central control module acquires a key signal state, signal acquisition needs to be carried out on each switch key.
Therefore, a plurality of signal acquisition circuits are integrated in a central control module of the conventional electric vehicle, and each signal acquisition circuit is directly and electrically connected with one switch key so as to acquire the key signal state of the switch key, thereby causing the overall cost of the electric vehicle to be too high.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a signal control device of electric motor car to reduce the whole car cost of current electric motor car.
An embodiment of the utility model provides a signal control device of electric motor car, include: the key assembly, the display assembly, the motor controller and the signal processing circuit;
the key assembly comprises a plurality of key units, the display assembly comprises a plurality of display units, one display unit is arranged corresponding to one key unit, the motor controller is electrically connected with each key unit, the signal processing circuit is electrically connected with each display unit, and the motor controller is communicated with the signal processing circuit through a first bus;
the motor controller is used for acquiring the key state information of each key unit and transmitting the key state information through the first bus;
the signal processing circuit is used for collecting the key state information of the key unit from the first bus and driving the corresponding display unit to emit light when detecting that the key state information contains a starting instruction.
Further, the first bus is an RS485 bus, an RS232 bus, a K-line bus, an SIF communication bus, a UART communication bus or a CAN bus.
Further, the key assembly includes: the device comprises a P-gear key unit, a plurality of light key units, a gear key unit, a rotating handle key unit, a constant-speed cruise key unit and one or more of a reversing key unit.
Further, the signal control device further includes: and the motor controller is communicated with the instrument assembly through a second bus.
Further, the first bus is multiplexed as the second bus.
Further, at least one of the display units is integrated in the meter assembly.
Further, the signal control device further includes: the sounding assembly comprises a plurality of sounding units, one sounding unit corresponds to one key unit, the signal processing circuit is electrically connected with each sounding unit, and the signal processing circuit is used for driving the corresponding sounding units to sound when detecting that the key state information contains an opening instruction.
Further, the sounding unit is a loudspeaker or a buzzer; the display unit is a light emitting diode or a quantum dot light emitting device.
Further, the display assembly includes a failure display unit; the sounding assembly comprises a fault sounding unit;
the motor controller is used for driving the electric vehicle to execute the operation corresponding to the key state information according to the key state information of the key unit;
the signal processing circuit is used for driving the fault display unit to emit light and/or the fault sounding unit to sound when the fact that the running state of the electric vehicle is not matched with the key state information is detected.
In the embodiment of the utility model, the motor controller is respectively electrically connected with each key unit, the signal processing circuit is respectively electrically connected with each display unit, and the motor controller acquires the key state information of each key unit and transmits the key state information through the first bus; the signal processing circuit is communicated with the motor controller through the first bus, collects and identifies the key state information of the key unit from the first bus, and controls whether the corresponding display unit emits light or not according to the key state information. In the embodiment of the utility model, the signal processing circuit directly extracts the key state signal of each key unit from the first bus without being electrically connected with each key unit, thereby reducing the signal acquisition circuit, saving the cost of the whole vehicle, reducing the number of signal transmission wires between the signal processing circuit and the key units and simplifying the structure of the signal control device; in addition, the signal processing circuit controls whether the display unit emits light or not according to the key state signal, so that a driver can visually observe the state of the electric vehicle, accidents caused by mistakenly triggering the key unit in different states are reduced, and the driving safety is improved.
Drawings
To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the technical solutions in the prior art, and it should be apparent that the drawings in the following description are some specific embodiments of the present invention, and it is obvious for those skilled in the art that the basic concepts of the device structure, the driving method and the manufacturing method disclosed and suggested according to the various embodiments of the present invention can be extended and extended to other structures and drawings, which should not be undoubted to be within the scope of the claims of the present invention.
Fig. 1 is a schematic diagram of a signal control device of an electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another signal control device of an electric vehicle according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a signal control device of another electric vehicle according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a signal control device of another electric vehicle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described clearly and completely through embodiments with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the basic concepts disclosed and suggested by the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, a schematic diagram of a signal control device of an electric vehicle according to an embodiment of the present invention is shown. The electric vehicle described in this embodiment may be any one of an electric bicycle, an electric motorcycle, an electric tricycle, and an electric quadricycle.
The signal control device of the electric vehicle provided by the embodiment comprises: the key assembly 1, the display assembly 2, the motor controller 3 and the signal processing circuit 4; the key assembly 1 comprises a plurality of key units 11, the display assembly 2 comprises a plurality of display units 21, one display unit 21 is arranged corresponding to one key unit 11, the motor controller 3 is electrically connected with each key unit 11, the signal processing circuit 4 is electrically connected with each display unit 21, and the motor controller 3 is communicated with the signal processing circuit 4 through a first bus 5; the motor controller 3 is used for acquiring the key state information of each key unit 11 and transmitting the key state information through the first bus 5; the signal processing circuit 4 is configured to collect key state information of the key unit 11 from the first bus 5, and drive the corresponding display unit 21 to emit light when detecting that the key state information includes a start instruction.
In this embodiment, the key assembly 1 refers to a set of a plurality of key units 11 that can be operated by a driver on an electric vehicle, where one key unit 11 corresponds to one driving operation, the key unit 11 may be driven by pressing, driven by rotating, or driven by pushing and pulling, and any structure that can be directly contacted by the driver and driven by a machine in the electric vehicle belongs to the key units, such as a gear, a brake, a rotating handle, and the like. The optional key assembly 1 includes: the device comprises a P-gear key unit, a plurality of light key units, a gear key unit, a rotating handle key unit, a constant-speed cruise key unit and one or more of a reversing key unit.
For example, a P-gear key unit, a constant-speed cruise key unit, a reverse key unit and a plurality of light key units are set to be driven by pressing, a rotating handle key unit is driven by rotating, and a gear key unit is driven by pushing and pulling. When a driver presses the P-gear key unit, the parking is characterized as entering or exiting; when a driver presses the constant-speed cruise key unit, the constant-speed cruise key unit is characterized in entering or exiting a constant-speed cruise mode; when the driver presses the light key unit, the light is characterized to be turned on or off. The selectable gear key unit comprises one or more gear positions, such as moving to an N gear to represent a neutral gear, moving to a D gear to represent a forward gear and the like, and a driver pushes a gear lever to select to switch to a corresponding gear. The selectable rotating handle key unit has a rotating opening range, and a driver can adjust the angle of the rotating handle by rotating the rotating handle so as to drive the wheels to rotate.
In this embodiment, each key unit 11 is electrically connected to the motor controller 3, the motor controller 3 monitors the state of each key unit 11, and the motor controller 3 is further electrically connected to each controller of the electric vehicle, so as to perform corresponding motor control. For example, when the driver presses the P-range key unit in the relaxed state, the P-range key unit is switched from the relaxed state to the pressed state, and when the motor controller 3 detects that the P-range key unit is in the pressed state, it is determined that the parking mode operation is entered, the driving mechanical device is controlled to lock the rotating part of the electric vehicle, so that the electric vehicle is parked. The motor controller 3 collects the key state information of each key unit 11, and controls the electric vehicle to execute corresponding operations according to the key state information, and detailed description of each key state information and corresponding operations is omitted here.
In this embodiment, the display module 2 is used for displaying so that a driver can visually check the corresponding state of the electric vehicle. The display assembly 2 includes a plurality of display units 21, and it is understood that each display unit 21 is an independent display device, and the detailed structure thereof is not described herein. A display unit 21 is disposed corresponding to a key unit 11, for example, a P-shift display unit disposed corresponding to the P-shift key unit, a shift display unit disposed corresponding to the shift key unit, a handle display unit disposed corresponding to the handle key unit, a constant-speed cruise display unit disposed corresponding to the constant-speed cruise key unit, a reverse display unit disposed corresponding to the reverse key unit, and a light display unit disposed corresponding to the light key unit. Display module 2 can be a whole, also can be for the components of a whole that can function independently structure and set up the different positions in the electric motor car, for example change the display element can be cyclic annular and encircle to set up on the commentaries on classics of electric motor car, constant speed display element that cruises can be for plane and integrated on the instrument subassembly of electric motor car, etc. the utility model discloses in do not restrict display element's shape and position.
In this embodiment, the signal processing circuit 4 is electrically connected to each display unit 21, and the motor controller 3 is further in communication with the signal processing circuit 4 through the first bus 5; the motor controller 3 sends the acquired key state information of each key unit 11 to the first bus 5, and the signal processing circuit 4 may collect the key state information of the key unit 11 from the first bus 5, and drive the corresponding display unit 21 to emit light when detecting that the key state information includes a start instruction. When the pressing type key unit is switched from a loose state to a pressed state, the pressing type key unit can be regarded as that the key state information comprises an opening instruction; or, when the push-pull type or rotary type key unit moves to the target position, the push-pull type or rotary type key unit can be regarded as that the key state information contains the target position starting instruction.
For example, the P-range key unit is a press type, when the driver presses the P-range key unit to switch the P-range key unit from a relaxed state to a compressed state, the signal processing circuit 4 acquires the key state information through the first bus 5 and detects that the key state information is the compressed state, and determines that the driver gives an instruction to start the parking mode, and then the signal processing circuit 4 drives the P-range display unit to emit light; when the driver presses the P-range key unit to switch the P-range key unit from the pressed state to the relaxed state, the signal processing circuit 4 judges that the driver gives an instruction to exit the parking mode, and the signal processing circuit 4 controls the P-range display unit to be turned off. For example, the handle rotating key unit is a rotary type, the driver rotates the handle to the target position, the signal processing circuit 4 acquires the key state information and detects the target position, and the signal processing circuit 4 drives the handle rotating display unit to display the azimuth or the rotation angle of the target position, or other display forms. The control processes of the display units corresponding to the other key units are similar to those of the display units, and are not described in detail herein, so that it can be understood that all the display units do not emit light when the electric vehicle is in a parking shutdown state.
The selectable first bus is an RS485 bus, an RS232 bus, a K-line bus, an SIF communication bus, a UART communication bus or a CAN bus. In the prior art, a plurality of signal acquisition circuits are arranged in a signal processing circuit, and one signal acquisition circuit is electrically connected with one key unit and used for acquiring key state information of the corresponding key unit, which results in high cost of the signal processing circuit. In this embodiment, the signal processing circuit 4 communicates with the motor controller 3 through a bus, the signal processing circuit 4 directly extracts the key state signal of each key unit from the first bus 5, and a plurality of signal acquisition circuits are not required to be arranged in the signal processing circuit 4, so that the signal acquisition circuits are reduced, and the cost of the whole vehicle is saved. In addition, the signal processing circuit 4 is electrically connected with the motor controller 3 through the first bus 5, and is not required to be electrically connected with each key unit, so that the number of signal transmission wires in the signal control device is reduced, and the structure of the signal control device is simplified.
In the embodiment of the utility model, the motor controller is respectively electrically connected with each key unit, the signal processing circuit is respectively electrically connected with each display unit, and the motor controller acquires the key state information of each key unit and transmits the key state information through the first bus; the signal processing circuit is communicated with the motor controller through the first bus, collects and identifies the key state information of the key unit from the first bus, and controls whether the corresponding display unit emits light or not according to the key state information. In the embodiment of the utility model, the signal processing circuit directly extracts the key state signal of each key unit from the first bus without being electrically connected with each key unit, thereby reducing the signal acquisition circuit, saving the cost of the whole vehicle, reducing the number of signal transmission wires between the signal processing circuit and the key units and simplifying the structure of the signal control device; in addition, the signal processing circuit controls whether the display unit emits light or not according to the key state signal, so that a driver can visually observe the state of the electric vehicle, accidents caused by mistakenly triggering the key unit in different states are reduced, and the driving safety is improved.
Illustratively, on the basis of the above technical solution, as shown in fig. 2, the signal control apparatus may further include: the meter assembly 6, the motor controller 3 and the meter assembly 6 communicate via a second bus 7. In the present embodiment, the meter assembly 6 includes various structures that implement a meter display function, such as at least a drive circuit and a display panel. The instrument assembly 6 can be used for displaying electric vehicle electric energy information such as battery electric quantity and the like, can also be used for displaying electric vehicle running information such as current vehicle speed and the like, and can also be used for acquiring and displaying key state information of the key unit through the second bus 7, but not limited to this.
The first bus 5 may be optionally multiplexed into a second bus 7 as shown in fig. 3. Therefore, the number of buses in the electric vehicle can be reduced, and the cost of the whole vehicle is further reduced.
Optionally, at least one display unit is integrated in the meter assembly. In this embodiment, at least one display unit in the selectable display component is integrated in the meter component, and the meter component acquires the key state information of the key unit through the second bus and then drives the corresponding display unit to display the key state information. For example, the P-gear display unit is integrated in the meter assembly, and when the electric vehicle is in the P-gear, the meter assembly displays a P-gear pattern.
Exemplarily, on the basis of the above technical solution, as shown in fig. 4, the signal control apparatus may further include: the sounding component 8 comprises a plurality of sounding units 81, one sounding unit 81 is arranged corresponding to one key unit 11, the signal processing circuit 4 is electrically connected with each sounding unit 81, and the signal processing circuit 4 is used for driving the corresponding sounding unit 81 to sound when detecting that the key state information contains an opening instruction. The optional sounding unit 81 is a speaker or a buzzer; the display unit is a light emitting diode or a quantum dot light emitting device.
In this embodiment, the sounding component 8 is used for sound warning, so that the driver can know the corresponding state of the electric vehicle in time, and it can be understood that each sounding unit 81 is an independent sound warning device, and the specific structure thereof is not described herein again. A sounding unit 81 is provided corresponding to one of the key units 11, for example, a P-shift sounding unit provided corresponding to the P-shift key unit, a shift sounding unit provided corresponding to the shift key unit, a constant-speed cruise sounding unit provided corresponding to the constant-speed cruise key unit, a reverse sounding unit provided corresponding to the reverse key unit, and a light sounding unit provided corresponding to the light key unit. The sounding subassembly 8 can be a whole, also can be for the components of a whole that can function independently structure and set up the different positions in the electric motor car, for example change the sounding unit can set up in the commentaries on classics of electric motor car on, etc. the utility model discloses in not restricting the position of sounding unit.
In this embodiment, the signal processing circuit 4 is electrically connected to each sounding unit 81, and the motor controller 3 is further communicated with the signal processing circuit 4 through the first bus 5; the motor controller 3 sends the acquired key state information of each key unit 11 to the first bus 5, and the signal processing circuit 4 may collect the key state information of the key unit 11 from the first bus 5, and drive the corresponding sounding unit 81 to sound when detecting that the key state information includes an on instruction. Optionally, the synchronous signal processing circuit 4 drives the corresponding display unit to emit light when detecting that the key state information includes the start instruction.
For example, the P-shift key unit is a press type, when the driver presses the P-shift key unit to switch the P-shift key unit from a relaxed state to a compressed state, the signal processing circuit 4 acquires the key state information through the first bus 5 and detects that the key state information is the compressed state, and determines that the driver gives a command to start the parking mode, the signal processing circuit 4 drives the P-shift display unit to emit light and/or drives the P-shift sounding unit to sound; on the contrary, when the P-range key unit is switched from the pressed state to the relaxed state, the signal processing circuit 4 controls the P-range display unit and the P-range sounding unit to be turned off. It can be understood that the signal processing circuit 4 controls the sounding time length of the sounding unit 81, for example, after the state of the key unit is switched, the sounding unit 81 sounds in time and continues for 5S, so as to avoid that the driver is influenced by long-time sounding. The control process of the sounding units corresponding to the other key units is similar to that of the other key units, and is not described in detail herein.
The optional display assembly 2 as shown in fig. 4 comprises a fault display unit 22; the sounding assembly 8 includes a fault sounding unit 82; the motor controller 3 is used for driving the electric vehicle to execute the operation corresponding to the key state information according to the key state information of the key unit 11; the signal processing circuit 4 is used for driving the fault display unit 22 to emit light and/or the fault sounding unit 82 to sound when the running state of the electric vehicle is detected not to be matched with the key state information.
When a driver triggers a key unit, the key unit may not be triggered due to insufficient travel, or not triggered due to key failure, or not triggered due to key function conflict. In this embodiment, the motor controller 3 collects a driving state signal of the electric vehicle and transmits the driving state signal to the first bus 5, the signal processing circuit 4 acquires the driving state signal of the electric vehicle from the first bus 5 and detects whether the driving state signal matches with the key state information, and if the driving state signal does not match with the key state information, the signal processing circuit controls the fault display unit 22 to emit light and/or the fault sounding unit 82 to emit sound.
For example, the driver triggers the cruise key unit to switch into the cruise mode, the electric vehicle driving state signal acquired by the signal processing circuit 4 from the first bus 5 indicates that the electric vehicle is in the non-cruise mode, the case state signal acquired by the signal processing circuit 4 from the first bus 5 indicates that the electric vehicle is in the cruise mode, and then the signal processing circuit 4 controls the fault display unit 22 to emit light and the fault sounding unit 82 to sound. The detection and trigger feedback processes of other key units are similar to those of the other key units, and are not described in detail herein.
It is understood that examples of the key unit include, but are not limited to, the above, for example, the key unit further includes a low beam light, a high beam light, an overtaking light, a left/right turn light, a double flashing light, a cushion induction trigger/release, a temple power-off on/off, etc., when the key unit is triggered, a corresponding sounding unit sounds, and key sound control is realized.
It is also optional that the display unit is in the shape of a light ring or a light strip or integrated in the meter. When the electric vehicle is in different states, the display unit can also light different colors of light according to different states, and the frequency of the selectable light is consistent with other light. For example, the arming state corresponds to red light, the disarming state corresponds to red light, the alarming state corresponds to red light, the vehicle searching state corresponds to white light, the starting/shutdown animation state corresponds to blue light, the P-range state corresponds to blue light, the state that the seat cushion is not seated (i.e., the P-range is released) corresponds to orange light, the first-range state (the P-range is released) corresponds to green light, the second-range state (the P-range is released) corresponds to white light, and the state that the misoperation is fault (the rotating handle when the P-range is not released, the rotating handle when the side support is not closed, the P-range is clicked when the riding state speed is not 0, and the like) corresponds to red light.
In the embodiment, the state indication of the electric vehicle key unit is realized through the display unit, so that a driver can visually know the vehicle state, accidents caused by false triggering in different states are reduced, and the safety of the electric vehicle is improved; for example, the user does not perceive the state of the whole vehicle, and the user is in a driving accident due to the wrong turning handle. On the other hand, the key feedback function is realized, and the convenience is improved; when the keys of the user are not triggered due to insufficient stroke, or the keys are not triggered due to failure, or the key function conflict is not triggered, the display unit and the sounding unit can warn the user in time, when the keys are pressed down, the user is informed whether the key function is triggered or not through sound and display, and when the triggering fails, the user is warned through sound/light effect, so that the user can visually know the trigger state of the whole vehicle function, convenience is brought to the subsequent operation of the user, and the potential safety hazard is reduced.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. A signal control apparatus of an electric vehicle, comprising: the key assembly, the display assembly, the motor controller and the signal processing circuit;
the key assembly comprises a plurality of key units, the display assembly comprises a plurality of display units, one display unit is arranged corresponding to one key unit, the motor controller is electrically connected with each key unit, the signal processing circuit is electrically connected with each display unit, and the motor controller is communicated with the signal processing circuit through a first bus;
the motor controller is used for acquiring the key state information of each key unit and transmitting the key state information through the first bus;
the signal processing circuit is used for collecting the key state information of the key unit from the first bus and driving the corresponding display unit to emit light when detecting that the key state information contains a starting instruction.
2. The signal control device of claim 1, wherein the first bus is an RS485 bus, an RS232 bus, a K-wire bus, a SIF communication bus, a UART communication bus, or a CAN bus.
3. The signal control apparatus of claim 1, wherein the key assembly comprises: the device comprises a P-gear key unit, a plurality of light key units, a gear key unit, a rotating handle key unit, a constant-speed cruise key unit and one or more of a reversing key unit.
4. The signal control device according to claim 1, further comprising: and the motor controller is communicated with the instrument assembly through a second bus.
5. The signal control device of claim 4, wherein the first bus is multiplexed as the second bus.
6. Signal control device according to claim 4, characterized in that at least one of the display units is integrated in the meter assembly.
7. The signal control device according to claim 1, further comprising: the sounding assembly comprises a plurality of sounding units, one sounding unit corresponds to one key unit, the signal processing circuit is electrically connected with each sounding unit, and the signal processing circuit is used for driving the corresponding sounding units to sound when detecting that the key state information contains an opening instruction.
8. The signal control device according to claim 7, wherein the sounding unit is a speaker or a buzzer;
the display unit is a light emitting diode or a quantum dot light emitting device.
9. The signal control device of claim 7, wherein the display component comprises a fault display unit; the sounding assembly comprises a fault sounding unit;
the motor controller is used for driving the electric vehicle to execute the operation corresponding to the key state information according to the key state information of the key unit;
the signal processing circuit is used for driving the fault display unit to emit light and/or the fault sounding unit to sound when the fact that the running state of the electric vehicle is not matched with the key state information is detected.
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| CN202021508086.6U CN213167950U (en) | 2020-07-27 | 2020-07-27 | Signal control device of electric vehicle |
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| CN202021508086.6U CN213167950U (en) | 2020-07-27 | 2020-07-27 | Signal control device of electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987663A (en) * | 2022-06-24 | 2022-09-02 | 南京懂玫驱动技术有限公司 | Instrument interaction system and method |
| CN115285269A (en) * | 2022-09-01 | 2022-11-04 | 南京懂玫驱动技术有限公司 | Electric power-assisted vehicle instrument, interactive display system and method |
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2020
- 2020-07-27 CN CN202021508086.6U patent/CN213167950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987663A (en) * | 2022-06-24 | 2022-09-02 | 南京懂玫驱动技术有限公司 | Instrument interaction system and method |
| CN115285269A (en) * | 2022-09-01 | 2022-11-04 | 南京懂玫驱动技术有限公司 | Electric power-assisted vehicle instrument, interactive display system and method |
| CN115285269B (en) * | 2022-09-01 | 2023-09-26 | 南京懂玫驱动技术有限公司 | Electric boosting vehicle instrument, interactive display system and method |
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