CN110727239A - Portable electric tool control program updating device and updating method - Google Patents
Portable electric tool control program updating device and updating method Download PDFInfo
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- CN110727239A CN110727239A CN201911145694.7A CN201911145694A CN110727239A CN 110727239 A CN110727239 A CN 110727239A CN 201911145694 A CN201911145694 A CN 201911145694A CN 110727239 A CN110727239 A CN 110727239A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/056—Programming the PLC
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13004—Programming the plc
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Abstract
The invention relates to a control program updating device and a control program updating method for a portable electric tool, which comprise a programmer, a USB interface used for connecting a PC end and the programmer, a program output terminal electrically connected with the programmer, a program updating control button used for sending a burning command to the programmer and a program check code reading button used for sending a check command to the programmer, wherein the program output terminal is used for connecting a battery pack temperature detection terminal in a battery clamp of the electric tool. The invention realizes the program updating of the control chip of the electric tool by the updating device through the battery pack temperature detection terminal by arranging the program output terminal, the program updating control button and the program check code reading button which are butted with the battery pack temperature detection terminal on the programmer, thereby realizing the updating of the control program of the electric tool under the condition of not disassembling the electric tool, effectively reducing the program updating difficulty of the electric tool and shortening the program updating time of the electric tool.
Description
The technical field is as follows:
the invention relates to a control program updating device and method for a portable electric tool.
Background art:
the portable electric tool is an electric tool powered by a mobile power supply, such as a rechargeable electric drill, a rechargeable electric hammer and the like, and the portable electric tool is provided with a detachable battery pack. The structure that the last butt joint of battery package of electric tool is the battery clamp, be provided with three contact on the battery clamp, connect positive pole on the battery package respectively, negative pole and thermistor, thermistor connects on positive pole or negative pole, the contact (battery package temperature detection terminal) of connecting thermistor passes through wire and the control chip electric connection in the electric tool, control chip calculates its operating temperature according to thermistor's resistance, thermistor is unanimous with the operational environment of battery package, therefore the operating temperature of thermistor represents the operating temperature of battery package promptly, thereby monitor battery package operating temperature, avoid the battery package high temperature.
Because the electric tool is more and more intelligent and the application field is more and more extensive, along with the development of sharing economy, the electric tool is provided for an end user in a renting mode, at the moment, the high-end electric tool needs to switch different control strategies, the control program of the existing electric tool needs to be updated, and at present, when the program of the electric tool is updated, because an I/O communication interface is not reserved on the electric tool, the electric tool needs to be disassembled, then the control chip is taken out, the I/O communication interface of the control chip is connected to a programmer for program burning and updating, and then the electric tool is installed, so that the mode is very troublesome, and a great amount of time is consumed for tool dismounting.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the portable electric tool control program updating device has the advantages of simple structure, convenient operation, capability of effectively reducing the program updating difficulty of the electric tool and shortening the program updating time of the electric tool.
In order to solve the technical problems, the invention adopts the technical scheme that: the portable electric tool control program updating device is characterized by comprising a programmer, a USB interface used for connecting a PC end and the programmer, a program output terminal electrically connected with the programmer, a program updating control button used for sending a burning command to the programmer and a program verification code reading button used for sending a verification command to the programmer, wherein the program output terminal is used for connecting a battery pack temperature detection terminal in a battery clamp of the electric tool.
Preferably, the portable electric tool control program updating device further comprises a power indicator lamp connected to the programmer, and when the PC terminal is connected to the programmer through the USB interface and outputs a voltage to the programmer, the programmer controls the power indicator lamp to be turned on to indicate that the programmer is in an operating state.
As a preferred scheme, the portable electric tool control program updating device further comprises a burning indicator light, a read-back indicator light and an abnormal indicator light which are respectively connected to the programmer, when the program updating control button is closed, the programmer controls the burning indicator light to be on, and when the program updating control button is disconnected, the programmer controls the burning indicator light to be off; when the program check code reading button is closed, the programmer controls the read-back indicator light to be on, and when the program check code reading button is disconnected, the programmer controls the read-back indicator light to be off; when the program updating control button or the program check code reading button is closed, the program output terminal has no signal, the programmer controls the abnormal indicator lamp to be on until the abnormal state disappears, and the programmer controls the abnormal indicator lamp to be off when the program output terminal has a signal.
As a preferred scheme, the portable electric tool control program updating device further comprises an LCD display electrically connected with the programmer and used for displaying the burning information.
Preferably, the portable electric tool control program updating device further comprises a positive input terminal and a negative input terminal, the positive input terminal and the negative input terminal are connected with a power supply, the positive input terminal and the negative input terminal are respectively connected with a positive contact piece and a negative contact piece, the positive contact piece is used for abutting against a B + terminal in the battery clamp, the negative contact piece is used for abutting against a B-terminal in the battery clamp, and the positive input terminal and the negative input terminal are used for providing working voltage for the electric tool.
Preferably, a selection switch is arranged between the programmer and the program output terminal, and the selection switch has two communication modes, wherein one communication mode is to connect the programmer and the program output terminal, the other communication mode is to connect the programmer and one end of the inverting circuit, and the other end of the inverting circuit is connected with the program output terminal.
The invention further aims to solve the technical problems that: the method for updating the control program of the portable electric tool is convenient to operate, can effectively reduce the difficulty in updating the program of the electric tool, and can shorten the time for updating the program of the electric tool.
In order to solve the technical problems, the invention adopts the technical scheme that: the method for updating the control program of the portable electric tool adopts the device for updating the control program of the portable electric tool, and comprises the following steps:
a. connecting a program output terminal with a battery pack temperature detection terminal of the portable electric tool, abutting a positive contact piece with a (B +) terminal in a battery clamp, and abutting a negative contact piece with a B-terminal in the battery clamp;
b. judging whether the working level of the temperature detection terminal of the battery pack is a high level or a low level according to the connection position of the thermistor in the battery pack, and then adjusting the selection switch to enable the level output by the program output terminal to be consistent with the working level of the temperature detection terminal of the battery pack;
c. the positive input terminal and the negative input terminal are respectively connected with the positive electrode and the negative electrode of a power supply to enable the electric tool to be in a working state, the USB interface is connected with the PC end through a data line, a program is input into a programmer through programming software of the PC end, then a program updating control button is pressed, and the programmer updates the program into a control chip of the electric tool through the program output terminal.
As a preferable scheme, in the step b, the specific manner of determining whether the operating level of the battery pack temperature detection terminal is a high level or a low level is as follows: the thermistor is connected to the positive pole of the battery pack, and then the working level of the temperature detection terminal of the battery pack is high level, otherwise, the working level of the temperature detection terminal of the battery pack is low level.
As a preferable scheme, in the step b, a specific manner of adjusting the output level of the output terminal is as follows: when the programmer outputs high level to the program output terminal, the selection switch is adjusted to directly switch on the programmer and the program output terminal; when the programmer outputs low level to the program output terminal, the regulating selection switch switches on the base of the inverting circuit, and the low level is converted into high level through the inverting circuit and output through the program output terminal.
As a preferred scheme, in the step c, in the program updating process, the programmer controls the burning indicator lamp to be continuously turned on, after the program updating is completed, the programmer controls the burning indicator lamp to be turned off, the program in the electric tool control chip generates the check code after being updated so as to judge the accuracy of the program updating, after the burning indicator lamp is turned off, the program check code reading button is pressed, the programmer reads the check code through the program output terminal and judges, in the process of reading the check code by the programmer, the programmer controls the read-back indicator lamp to be continuously turned on, and after the judgment is completed, the verification result is fed back through the LCD display; when the program updating process or the check code reading process is abnormal, the programmer controls the abnormal indicator lamp to be lightened.
The invention has the beneficial effects that: the invention realizes the program updating of the control chip of the electric tool by the updating device through the battery pack temperature detection terminal by arranging the program output terminal, the program updating control button and the program check code reading button which are butted with the battery pack temperature detection terminal on the programmer, thereby realizing the updating of the control program of the electric tool under the condition of not disassembling the electric tool, effectively reducing the program updating difficulty of the electric tool and shortening the program updating time of the electric tool.
The invention further indicates the working state of the programmer by arranging the power indicator lamp electrically connected with the programmer, so that a worker can easily judge the state of the programmer and avoid misoperation.
The invention further prompts the burning state, the read-back state and the abnormal state by arranging the burning indicator light, the read-back indicator light and the abnormal indicator light respectively, thereby improving the mastering of the working personnel on the use state of the updating device and improving the operation accuracy and convenience.
The invention further displays the program burning process by arranging the LCD electrically connected with the programmer, and sends the burning process to the staff in a more intuitive mode, so that the staff can easily master the working state of the updating device and judge the software information stored in the programmer.
The invention further provides a positive input terminal and a negative input terminal for providing the electric tool with working voltage on the updating device, thereby greatly facilitating the supply of the working voltage of the electric tool when the portable electric tool updates the program.
The invention further realizes the high-low level conversion of the program output terminal through the selection switch and the inverting circuit, thereby selecting the proper program output terminal output level for the battery pack temperature detection terminals with different working level requirements and expanding the application range of the updating device.
The control program of the portable electric tool is updated through the battery pack temperature detection terminal of the portable electric tool by utilizing the updating device, so that an electrician tool does not need to be disassembled, the operation is very convenient, the program updating difficulty of the electric tool is effectively reduced, and the program updating time of the electric tool is greatly shortened.
Description of the drawings:
the following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a detailed circuit diagram of the inverting circuit of the present invention;
fig. 3 is another specific circuit diagram of the inverting circuit of the present invention.
In fig. 1 to 3: 1. the device comprises a programmer, a 2, a USB interface, a 3, a program output terminal, a 4, a program updating control button, a 5, a program check code reading button, a 6, a battery pack temperature detection terminal, a 7, a power supply indicator light, a 8, a burning indicator light, a 9, a read-back indicator light, a 10, an abnormal indicator light, a 11, an LCD display, a 12, a positive input terminal, a 13, a negative input terminal, a 14, a positive contact piece, a 15, a negative contact piece, a 16, a selection switch, a 17, an inverting circuit, an 1701, an NPN triode, 1702, a first resistor, a 1703, a PNP triode, a 1704 and a second resistor.
The specific implementation mode is as follows:
specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The portable electric tool control program updating device shown in fig. 1 comprises a programmer 1, a USB interface 2 for connecting a PC terminal and the programmer 1, a program output terminal 3 electrically connected with the programmer 1, a program updating control button 4 for sending a burning command to the programmer 1, a program check code reading button 5 for sending a check command to the programmer 1, a power indicator 7, a burning indicator 8, a read-back indicator 9, an abnormal indicator 10 and an LCD display 11, wherein the program output terminal 3 is used for connecting a battery pack temperature detection terminal 6 in a battery clamp of the electric tool. When the PC end is connected with the programmer 1 through the USB interface 2 and outputs voltage to the programmer 1, the programmer 1 controls the power indicator lamp 7 to be turned on to prompt that the programmer 1 is in a working state; when the program update control button 4 is closed, the programmer 1 controls the burning indicator light 8 to be on, and when the program update control button 4 is opened, the programmer 1 controls the burning indicator light 8 to be off; when the program check code reading button 5 is closed, the programmer 1 controls the read-back indicator lamp 9 to be on, and when the program check code reading button 5 is opened, the programmer 1 controls the read-back indicator lamp 9 to be off; when the program updating control button 4 or the program check code reading button 5 is closed, the program output terminal 3 has no signal, the programmer 1 controls the abnormal indicator light 10 to be on until the abnormal state disappears, and the programmer 1 controls the abnormal indicator light 10 to be off when the program output terminal 3 has a signal; the LCD 11 is used for displaying burning information.
The USB interface in this embodiment is a male port, and includes a vcc terminal, a GND terminal, a D-terminal, and a D + terminal, where the vcc terminal and the GND terminal are used to supply power to the programmer 1, and the D-terminal and the D + terminal are used for data transmission between the PC terminal and the programmer.
As shown in fig. 1, the portable electric tool control program updating device further includes a positive input terminal 12 and a negative input terminal 13, the positive input terminal 12 and the negative input terminal 13 are connected to a power supply, the positive input terminal 12 and the negative input terminal 13 are respectively connected to a positive contact 14 and a negative contact 15, the positive contact 14 is used for abutting against a B + terminal in a battery clamp, the negative contact 15 is used for abutting against a B-terminal in the battery clamp, and the positive input terminal 12 and the negative input terminal 13 are used for providing an operating voltage for the electric tool.
As shown in fig. 2, a specific circuit diagram of the inverting circuit 17 is shown, as shown in the drawing, the inverting circuit 17 includes an NPN transistor 1701, a base of the NPN transistor 1701 is connected to the selection switch 16, an emitter of the NPN transistor 1701 is grounded, a collector of the NPN transistor 1701 is connected to a VCC terminal of the USB interface 2 through a first resistor 1702, and the program output terminal 3 is connected between the first resistor 1702 and the NPN transistor 1701.
As shown in fig. 3, another specific circuit diagram of the inverting circuit 17 is shown, as shown in the figure, the inverting circuit 17 includes a PNP transistor 1703, a base of the PNP transistor 1703 is connected to the selection switch 16, an emitter of the PNP transistor 1703 is grounded through a second resistor 1704, a collector of the PNP transistor 1703 is connected to the VCC terminal of the USB interface 2, and the program output terminal 3 is connected between the second resistor 1704 and the PNP transistor 1703.
A selection switch 16 is arranged between the programmer 1 and the program output terminal 3, the selection switch 16 has two communication modes, one communication mode is to switch on the programmer 1 and the program output terminal 3, the other communication mode is to switch on the base of the programmer 1 and the inverting circuit 17, and the emitter of the inverting circuit 17 is connected with the program output terminal 3.
The method for updating the control program of the portable electric tool by adopting the updating device comprises the following steps:
a. as shown in fig. 1, first, program output terminal 3 is connected to battery pack temperature detection terminal 6, positive electrode tab 14 is brought into contact with the B + terminal in the battery holder, and negative electrode tab 15 is brought into contact with the B-terminal in the battery holder.
b. The working level of the battery pack temperature detection terminal 6 is judged to be high level or low level according to the connection position of the thermistor in the battery pack, and the specific judgment mode is as follows: the thermistor is connected to the positive electrode of the battery pack, and indicates that the operating level of the battery pack temperature detection terminal 6 is high, whereas the thermistor indicates that the operating level of the battery pack temperature detection terminal 6 is low. After the operating level of the battery pack temperature detection terminal 6 is determined, the selection switch is adjusted so that the level output from the program output terminal 3 is consistent with the operating level of the battery pack temperature detection terminal 6, for example, if the operating level of the battery pack temperature detection terminal 6 is high, the level output from the output terminal 3 is also adjusted to be high. The specific way of adjusting the output level of the output terminal 3 is as follows: when the programmer 1 outputs a high level to the program output terminal 3, the adjustment selection switch 16 directly switches on the programmer 1 and the program output terminal 3; when the programmer 1 outputs a low level to the program output terminal 3, the adjustment selection switch 16 turns on the base of the inverting circuit 17, and the low level is converted into a high level by the inverting circuit 17 and is output through the program output terminal 3.
c. After the selection switch 16 is adjusted, the positive input terminal 12 and the negative input terminal 13 are respectively connected with the positive and negative poles of the power supply, so that the electric tool is in a working state, the USB interface 2 is connected with a PC (personal computer) end through a data line, a program is input into the programmer 1 through programming software of the PC end, then the program updating control button 4 is pressed, the programmer 1 updates the program into a control chip of the electric tool through the program output terminal 3, in the program updating process, the programmer 1 controls the burning indicator lamp 8 to be continuously lightened, after the program updating is finished, the programmer 1 controls the burning indicator lamp 8 to be extinguished, after the program in the control chip of the electric tool is updated, the verification code is generated to judge the accuracy of the program updating, after the burning indicator lamp 8 is extinguished, the program verification code reading button 5 is pressed, the programmer 1 reads and judges the verification code through the program output terminal 3, in the process of reading the check code by the programmer 1, the programmer 1 controls the read-back indicator lamp 9 to be continuously lightened, and after the judgment is finished, the verification result can be fed back through the LCD 11. When the program updating process or the check code reading process is abnormal, the programmer 1 controls the abnormal indicating lamp 10 to be lightened.
As shown in fig. 2, when the level of the program output terminal 3 is converted by the inverting circuit 17, when the base input is low level, the NPN transistor 1701 turns off, and at this time, both ends of the first resistor 1702 are high level, so that the program output terminal outputs high level; on the other hand, when the base input is high, the NPN transistor 1701 turns on, and the lower end of the first resistor 1702 is grounded low, so that the program output terminal 3 outputs low.
As shown in fig. 3, when the level of the program output terminal 3 is converted by the inverting circuit 17, when the base input is low level, the PNP transistor 1703 is turned on, and at this time, the upper end of the second resistor 1704 is high level, so the program output terminal outputs high level; on the contrary, when the base input is high, the PNP transistor 1703 is turned off, and both ends of the second resistor 1704 are low, so the program output terminal 3 outputs low.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (10)
1. The portable electric tool control program updating device is characterized by comprising a programmer (1), a USB interface (2) used for connecting a PC end and the programmer (1), a program output terminal (3) electrically connected with the programmer (1), a program updating control button (4) used for sending a burning command to the programmer (1) and a program verification code reading button (5) used for sending a verification command to the programmer (1), wherein the program output terminal (3) is used for being connected with a battery pack temperature detection terminal (6) in a battery clamp of an electric tool.
2. The control program updating device for the portable electric tool according to claim 1, further comprising a power indicator (7) connected to the programmer (1), wherein when the PC terminal is connected to the programmer (1) through the USB interface (2) and outputs a voltage to the programmer (1), the programmer (1) controls the power indicator (7) to be turned on to indicate that the programmer (1) is in the working state.
3. The portable electric tool control program updating device according to claim 1, further comprising a burning indicator light (8), a readback indicator light (9) and an abnormal indicator light (10) respectively connected to the programmer (1), wherein when the program update control button (4) is closed, the programmer (1) controls the burning indicator light (8) to be on, and when the program update control button (4) is opened, the programmer (1) controls the burning indicator light (8) to be off; when the program check code reading button (5) is closed, the programmer (1) controls the read-back indicator lamp (9) to be on, and when the program check code reading button (5) is opened, the programmer (1) controls the read-back indicator lamp (9) to be off; when the program updating control button (4) or the program check code reading button (5) is closed, the program output terminal (3) has no signal, the programmer (1) controls the abnormal indicator lamp (10) to be on until the abnormal state disappears, and the programmer (1) controls the abnormal indicator lamp (10) to be off when the program output terminal (3) has the signal.
4. The portable power tool control program updating apparatus according to claim 1, further comprising an LCD display (11) electrically connected to the programmer (1) for displaying the burning information.
5. The portable power tool control program updating device according to claim 1, further comprising a positive input terminal (12) and a negative input terminal (13), wherein the positive input terminal (12) and the negative input terminal (13) are connected to a power source, the positive input terminal (12) and the negative input terminal (13) are respectively connected with a positive contact (14) and a negative contact (15), the positive contact (14) is used for abutting against a B + terminal in the battery holder, the negative contact (15) is used for abutting against a B-terminal in the battery holder, and the positive input terminal (12) and the negative input terminal (13) are used for providing an operating voltage for the power tool.
6. The control program updating device for the portable electric tool according to claim 1, wherein a selection switch (16) is provided between the programmer (1) and the program output terminal (3), the selection switch (16) has two communication modes, one of the two communication modes is to turn on the programmer (1) and the program output terminal (3), the other communication mode is to turn on the programmer (1) and one end of the inverting circuit (17), and the other end of the inverting circuit (17) is connected to the program output terminal (3).
7. A method for updating a control program of a portable electric power tool, comprising the steps of, by using the portable electric power tool control program updating apparatus according to any one of claims 1 to 6, updating the control program of the portable electric power tool, comprising:
a. connecting a program output terminal (3) with a battery pack temperature detection terminal (6) of the portable electric tool, abutting a positive contact piece (14) with a (B +) terminal in a battery clamp, and abutting a negative contact piece (15) with a B-terminal in the battery clamp;
b. judging whether the working level of the battery pack temperature detection terminal (6) is high level or low level according to the connection position of the thermistor in the battery pack, and then adjusting the selector switch (16) to enable the level output by the program output terminal (3) to be consistent with the working level of the battery pack temperature detection terminal (6);
c. the positive input terminal (12) and the negative input terminal (13) are respectively connected with the positive electrode and the negative electrode of a power supply to enable the electric tool to be in a working state, the USB interface (2) is connected with the PC end through a data line, a program is input into the programmer (1) through programming software of the PC end, then the program updating control button (4) is pressed, and the programmer (1) updates the program into a control chip of the electric tool through the program output terminal (3).
8. The method for updating a control program of a portable electric power tool according to claim 7, wherein in the step b, the specific manner of determining whether the operating level of the battery pack temperature detection terminal (6) is at the high level or the low level is: the thermistor is connected to the positive pole of the battery pack, and indicates that the working level of the battery pack temperature detection terminal (6) is high level, otherwise indicates that the working level of the battery pack temperature detection terminal (6) is low level.
9. The method for updating a control program of a portable electric tool according to claim 7, wherein in the step b, the output level of the output terminal (3) is adjusted by: when the programmer (1) outputs a high level to the program output terminal (3), the adjusting selection switch (16) directly switches on the programmer (1) and the program output terminal (3); when the programmer (1) outputs a low level to the program output terminal (3), the adjusting selection switch (16) switches on the base of the inverting circuit (17), and the low level is converted into a high level through the inverting circuit (17) and is output through the program output terminal (3).
10. The method for updating the control program of the portable electric tool according to claim 7, wherein in the step c, in the program updating process, the programmer (1) controls the burning indicator lamp (8) to be continuously turned on, after the program updating is completed, the programmer (1) controls the burning indicator lamp (8) to be turned off, the program in the electric tool control chip is updated to generate the check code so as to judge the accuracy of the program updating, after the burning indicator lamp (8) is turned off, the program check code reading button (5) is pressed, the programmer (1) reads the check code through the program output terminal (3) and judges, in the process of reading the check code by the programmer (1), the programmer (1) controls the read-back indicator lamp (9) to be continuously turned on, and after the judgment, the verification result is fed back through the LCD display (11); when the program updating process or the check code reading process is abnormal, the programmer (1) controls the abnormal indicator lamp (10) to be lightened.
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| CN201911145694.7A CN110727239A (en) | 2019-11-21 | 2019-11-21 | Portable electric tool control program updating device and updating method |
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| CN201911145694.7A CN110727239A (en) | 2019-11-21 | 2019-11-21 | Portable electric tool control program updating device and updating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703348A (en) * | 2021-07-14 | 2021-11-26 | 深圳市有为信息技术发展有限公司 | Mode control device and control method thereof |
| CN114035023A (en) * | 2021-10-22 | 2022-02-11 | 宁波集联软件科技有限公司 | Multi-mode automobile core plate clamp judgment method and judgment system |
-
2019
- 2019-11-21 CN CN201911145694.7A patent/CN110727239A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703348A (en) * | 2021-07-14 | 2021-11-26 | 深圳市有为信息技术发展有限公司 | Mode control device and control method thereof |
| CN113703348B (en) * | 2021-07-14 | 2023-03-28 | 深圳市有为信息技术发展有限公司 | Mode control device and control method thereof |
| CN114035023A (en) * | 2021-10-22 | 2022-02-11 | 宁波集联软件科技有限公司 | Multi-mode automobile core plate clamp judgment method and judgment system |
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