CN114697144A - Communication device, control device and communication equipment - Google Patents
Communication device, control device and communication equipment Download PDFInfo
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- CN114697144A CN114697144A CN202011613522.0A CN202011613522A CN114697144A CN 114697144 A CN114697144 A CN 114697144A CN 202011613522 A CN202011613522 A CN 202011613522A CN 114697144 A CN114697144 A CN 114697144A
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Abstract
The invention discloses a communication device, a control device and communication equipment, wherein the communication device comprises a first communication circuit, a first interface circuit, a first identification circuit and a first identification circuit, wherein the first interface circuit is connected with the first communication circuit and is used for being connected with the control device; the first identification circuit is connected with the first interface circuit; the first identification circuit is connected with the first identification circuit and used for being connected with the control device, and the first identification circuit is used for cooperating with the control device and controlling the connection/disconnection of the first communication circuit and the control device in a hardware logic mode. Through the mode, the safety of the original communication device can be improved.
Description
Technical Field
The present invention relates to the field of communication technologies, and in particular, to a communication device, a control device, and a communication apparatus.
Background
With the development of the internet of things technology, a large number of intelligent products enter the lives of ordinary people, the use experience becomes an important consideration factor of intelligent product manufacturers, and the communication connection experience of the intelligent products is the most important factor. The wireless communication hardware part of the intelligent product is mostly connected with the product mainboard in a communication device mode, and when the communication device breaks down or is damaged, the communication device can be conveniently and directly replaced for maintenance.
The firmware content of the original communication device is easy to be directly cracked and read, so that the firmware content is copied to the communication device which is not originally installed; so that the maintenance personnel can use the non-original communication device for replacement and maintenance. The non-original communication device may have the problem of insufficient quality, such as the problem of unqualified power supply stability, radio frequency parameters, antenna parameters and the like, which results in the bad physical examination of the user, increases the complaint rate of the user caused by the communication connection experience, and affects the public praise of the intelligent product.
Disclosure of Invention
The invention mainly solves the technical problem of providing a communication device, a control device and communication equipment, which can improve the safety of the original communication device.
In order to solve the technical problems, the invention adopts a technical scheme that: the communication device comprises a first communication circuit, a first interface circuit, a first identification circuit and a first identification circuit, wherein the first interface circuit is connected with the first communication circuit and is used for being connected with a control device; the first identification circuit is connected with the first interface circuit; the first identification circuit is connected with the first identification circuit and used for being connected with the control device, and the first identification circuit is used for cooperating with the control device and controlling the connection/disconnection of the first communication circuit and the control device in a hardware logic mode.
The first interface circuit comprises a first power supply circuit, and the first identification circuit is used for cooperating with the control device and controlling the power-on/power-off of the first communication circuit and the control device in a hardware logic mode.
The first identification circuit comprises a first resistor, one end of the first resistor is connected with a first identification circuit, the first identification circuit is used for being connected with a second identification circuit in the control device, and the other end of the first resistor is grounded; when the first identification circuit is connected with a second identification circuit in the control device, a first partial voltage is generated at the first resistor, and the first partial voltage can trigger the second identification circuit to be communicated with a second power supply circuit and a first power supply circuit of the control device.
The first interface circuit comprises a first signal circuit, and the first identification circuit is used for cooperating with the control device and controlling the signal on/off of the first communication circuit and the control device in a hardware logic mode.
The first identification circuit comprises a second resistor and a third resistor, one end of the second resistor is grounded, the other end of the second resistor is connected with one end of the third resistor, the other end of the third resistor is connected with a first interface circuit, one end of the second resistor connected with the third resistor is connected with a first identification circuit, and the first identification circuit is used for being connected with a second identification circuit in the control device; when the first identification circuit is connected with a second identification circuit in the control device, a second partial voltage is generated at the second resistor, and the second partial voltage can trigger the second identification circuit to be communicated with a second signal circuit and a first signal circuit of the control device.
In order to solve the technical problem, the invention adopts another technical scheme that: providing a control device, wherein the control device comprises a second communication circuit, a second interface circuit, a second identification circuit and a second identification circuit, and the second interface circuit is connected with the second communication circuit and is used for being connected with the communication device; the second identification circuit is connected with the second interface circuit; the second identification circuit is connected with the second identification circuit and used for being connected with the communication device, and the second identification circuit is used for cooperating with the communication device and controlling the connection/disconnection of the second communication circuit and the communication device in a hardware logic mode.
The second interface circuit comprises a second power supply circuit, and the second identification circuit is used for cooperating with the communication device to control the power-on/power-off of the second communication circuit and the communication device in a hardware logic mode.
The first end and the second end of the first switch are connected with a first power supply circuit, the third end of the first switch is connected with one end of a first identification circuit and the first end of a second resistor, the other end of the first resistor is connected with a first power supply circuit, and the first identification circuit is used for being connected with the first identification circuit in the communication device; when the second identification circuit is connected with a first identification circuit in the communication device, a first partial voltage is generated at the first resistor, and the first partial voltage can trigger the first switch to connect a second power supply line and a first power supply line of the control device.
The second interface circuit comprises a second signal circuit, and the second identification circuit is used for cooperating with the communication device and controlling the signal on/off of the second communication circuit and the communication device in a hardware logic mode.
The second identification circuit comprises a fifth resistor, a sixth resistor, a seventh resistor, a second switch and a triode; one end of a fifth resistor is connected with a second power supply line, the other end of the fifth resistor is connected with a second signal line, a first end of a second switch and one end of a sixth resistor, a second end of the second switch is used for being connected with a first signal line of a communication device, one end of a seventh resistor is used for being connected with a second identification line, the other end of the seventh resistor is connected with a first end of a triode, a second end of the triode is connected with a third end of the second switch and the other end of the sixth resistor, a third end of the triode is grounded, and the second identification line is used for being connected with a first identification circuit in the communication device; when the second identification circuit is connected with the first identification circuit in the communication device, a second partial voltage is generated at the second resistor, and the second partial voltage can trigger the second switch to communicate the second signal circuit with the first signal circuit of the communication device.
In order to solve the technical problem, the invention adopts another technical scheme that: the communication device comprises a first communication circuit, a first interface circuit, a first identification circuit and a first identification circuit, wherein the first interface circuit is connected with the first communication circuit; the first identification circuit is connected with the first identification circuit; the control device comprises a second communication circuit, a second interface circuit, a second identification circuit and a second identification circuit, wherein the second interface circuit is connected with the second communication circuit and the first interface circuit, and the second identification circuit is connected with the second interface circuit and the first identification circuit; the second identification circuit is connected with the second identification circuit and the first identification circuit; the first identification circuit and the second first identification circuit control connection/disconnection of the first communication circuit and the second communication circuit in a hardware logic manner.
The invention has the beneficial effects that: in the present invention, a first identification circuit and a second identification circuit are provided on the control device and the communication device, and the connection between the control device and the communication device can be controlled by the first identification circuit and the second identification circuit. Through the mode, the complexity of connection between the communication device and the control device can be increased, the difficulty of copying the communication device is further increased, the safety of the original communication device is improved, and negative effects caused by the non-original communication device are avoided.
Drawings
Fig. 1 is a schematic diagram of an equivalent circuit structure of a communication device in an embodiment of the present application;
fig. 2 is an equivalent circuit structure diagram of a first identification circuit in the embodiment of the present application;
fig. 3 is a schematic diagram of an equivalent circuit structure of a second identification sub-circuit a in the embodiment of the present application;
fig. 4 is a schematic diagram of an equivalent circuit structure of a second identification sub-circuit B in the embodiment of the present application;
fig. 5 is a schematic diagram of an equivalent circuit structure of a communication device in an embodiment of the present application.
Detailed Description
In order to make the purpose, technical solution and effect of the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and examples.
The application provides a communication device, which is provided with a communication device to realize the communication function of the internet of things. The communication device may be integrated on the control device of the communication apparatus, or may be an independent communication device, and the independent communication device is connected with the control device of the communication apparatus through a communication interface. The communication mode of the independent communication device and the control device can be an asynchronous serial full/half duplex mode. The communication interface can adopt universal voltage (such as 4.5-5.5 Vdc) and current (such as 20 muA-30 mA), and other specifications can select from universal asynchronous serial transmission (UART) interface standard specifications (such as 9-bit, 10-bit, 11-bit and other transmission modes). Of course, the use of non-standard interface voltages or currents is not excluded here.
By selecting the independent communication device, when the communication device is in failure or damaged, the communication device can be conveniently and directly replaced for maintenance. During maintenance, the firmware content of the original communication device is easy to be directly cracked and read, so that the firmware content is copied to the communication device which is not originally installed; so that the maintenance personnel can use the non-original communication device for replacement and maintenance. The non-original communication device may have the problem of insufficient quality, such as the problem of unqualified power supply stability, radio frequency parameters, antenna parameters, etc., which results in the bad physical examination of the user, increases the complaint rate of the user caused by the communication connection experience, and affects the public praise of the communication equipment.
Based on this, the application provides a communication device, add the hardware identification circuit on independent communication device and communication device control device respectively, control the hardware connection of communication device and control device through hardware logic sequence. When the non-original communication device is not connected according to the hardware logic system, the non-original communication device cannot work normally. By adding the hardware identification circuit, the complexity of hardware connection between the communication device and the control device can be increased, the difficulty of copying the communication device is increased, the safety of the original communication device is improved, and negative effects caused by non-original communication devices are avoided.
Referring to fig. 1, fig. 1 is a schematic diagram of an equivalent circuit structure of a communication device according to an embodiment of the present disclosure. In this embodiment, the communication device includes a control device and a communication device, the communication device is connected to the control device through a communication interface, a first end of the communication interface is connected to the control device of the communication device, and a second end of the communication interface is connected to the communication device. The communication interface may be a 4-wire interface, and specifically includes a power supply terminal (Vcc), a serial transmission terminal (TxD), a serial reception terminal (RxD), and a common voltage reference terminal (commonly referred to as a ground terminal GND). Specifically, the power supply terminals (Vcc) of the control device and the communication device are connected with a power supply provided in the control device, the serial receiving terminal (RxD2) of the control device is connected with the serial transmitting terminal (TxD1) of the communication device, the serial transmitting terminal (TxD2) of the control device is connected with the serial receiving terminal (RxD1) of the communication device, and the common voltage reference terminals of the control device and the communication device are connected with the common voltage reference terminal in the control device.
In the application, the first identification circuit and the second identification circuit are arranged on the control device and the communication device, and the connection between the control device and the communication device can be controlled through the first identification circuit and the second identification circuit. When the first identification circuit is matched with the second identification circuit, the connection between the control device and the communication device can be realized, and when the first identification circuit is not matched with the second identification circuit, the connection between the control device and the communication device is abnormal. Through the mode, the complexity of connection between the communication device and the control device can be increased, the difficulty of copying the communication device is further increased, the safety of the original communication device is improved, and negative effects caused by the non-original communication device are avoided.
Still referring to fig. 1, in an embodiment, the second identification circuit 10 includes a second identification sub-circuit a110 and a second identification sub-circuit B120, the second identification sub-circuit a110 and the second identification sub-circuit B120 are respectively connected to the first identification circuit 20, the second identification sub-circuit a110 is configured to control whether the control device supplies power to the communication device, and the second identification sub-circuit B120 is configured to control on/off of a signal path between the control device and the communication device.
Specifically, the first identification circuit 20 may be configured to process a power supply signal (first power supply signal) input to the second identification sub-circuit a110 to obtain a first identification signal (Ctrl1), and the second identification sub-circuit a110 may control whether the control device supplies power to the communication device based on the first identification signal. Wherein, when the amplitude of the first identification signal is larger than the first threshold value, the control device can be controlled to supply power to the communication device. That is, the second identification sub-circuit a110 may be configured to receive the first power signal and output the second power signal to the communication device to supply power to the communication device when the amplitude of the first identification signal is greater than the first threshold.
The first identification circuit 20 may be configured to process a power signal (second power signal) input to the second identification sub-circuit B120 to obtain a second identification signal (Ctrl2), and the second identification sub-circuit B120 may control on/off of a signal path between the control device and the communication device based on the second identification signal. When the amplitude of the second identification signal is larger than the second threshold value, the signal path between the control device and the communication device can be controlled to be conducted. That is, the second identification sub-circuit B120 may be configured to receive the second power signal, and control the signal path between the control device and the communication device to be conducted when the amplitude of the second identification signal is greater than the second threshold, so as to implement the communication connection between the control device and the communication device. The power supply signal input to the second identification sub-circuit B120 may be provided by the second identification sub-circuit a110, i.e. the second identification sub-circuit a110 may output a second power supply signal to the second identification sub-circuit B120 for powering the second identification sub-circuit B120.
In one embodiment, the first identification circuit 20 includes a first resistor and a second resistor.
The second identifier sub-circuit a110 comprises a first switch, a first terminal of the first switch is connected to the first power source terminal, a second terminal of the first switch is connected to the second power source terminal, a third terminal of the first switch is connected to one terminal of a first resistor, and the other terminal of the first resistor is grounded. The first resistor of the first identification circuit 20 is capable of dividing the voltage of the first power signal to generate a first identification signal with a certain amplitude to control the on/off of the first switch, so as to control whether to supply power to the communication device.
The second identification sub-circuit B120 includes a second switch, a first end of the second switch is connected to the signal receiving end of the control device, a second end of the second switch is connected to the signal transmitting end of the communication device, a third end of the second switch is connected to one end of a second resistor, and the other end of the second resistor is grounded. The second resistor of the first identification circuit 20 may divide the voltage of the second power signal to generate a second identification signal with a certain amplitude to control the on/off of the second switch, and further control the on/off of the signal path between the control device and the communication device.
When the communication device is an original communication device, the communication device is provided with a first identification circuit, after the communication device is connected with the control device, when the control device is powered on, the second identification sub-circuit A is conducted with the first identification circuit, and due to the existence of the first resistor, a first identification signal in a high level state can be generated, so that the first switch is controlled to be conducted, the conduction of a power supply path between the control device and the communication device is realized, and the power supply is supplied to the communication device. When the communication device is not originally installed, the communication device is not provided with the first identification circuit, and after the communication device is connected with the control device, the control device is powered on, and a first identification signal in a low level state is generated due to the absence of the first resistor, so that the first switch is switched off. Through setting up second sign sub circuit A and first sign circuit, can prevent to replace communication device of not original dress, if what adorn is not original dress communication device, then can not normally supply power, just also can not normally work.
Similarly, when the communication device is an original communication device, the communication device is provided with a first identification circuit, after the communication device is connected with the control device, when the control device is powered on, the second identification sub-circuit B is conducted with the first identification circuit, and due to the existence of the second resistor, a second identification signal in a high level state can be generated, so that the conduction of the second switch is controlled, the conduction of a signal path between the control device and the communication device is realized, and the communication connection between the control device and the communication device is established. When the communication device is not originally installed, the communication device is not provided with the first identification circuit, and after the communication device is connected with the control device, the control device is powered on, and a second identification signal in a low level state is generated due to the fact that the second resistor does not exist, so that the second switch is disconnected. By providing the second identification sub-circuit B, when a non-genuine communication device is used, the communication connection between the control device and the communication device cannot be normally established, and replacement of the non-genuine communication device can be prevented. The second identification sub-circuit A and the second identification sub-circuit B can be arranged at the same time, and through the arrangement, even if power is supplied to the communication device through other ways, the signal line still cannot be communicated, and the safety of the original communication device is further enhanced. In other embodiments, only the second identification sub-circuit a or only the second identification sub-circuit B may be provided, which is not limited herein.
Referring to fig. 2, fig. 2 is a schematic diagram of an equivalent circuit structure of a first identification circuit in an embodiment of the present application. In this embodiment, the first identification circuit 20 includes a first resistor R1, a second resistor R2, and a third resistor R3. One end of the first resistor R1 is used for connecting the second identifier sub-circuit A, the other end of the first resistor R1 is grounded, one end of the third resistor R3 is used for connecting a power supply terminal (Vcc), the other end of the third resistor R3 is used for connecting the second identifier sub-circuit B and one end of the second resistor R2, and the other end of the second resistor R2 is connected with one end of the first resistor R1 which is grounded, namely, the other end of the second resistor R2 is grounded.
The first identification circuit 20 can be divided into a first identification sub-circuit a and a first identification sub-circuit B, the first identification sub-circuit a is used for connecting to the second identification sub-circuit a and providing a first identification signal (Ctrl1) to the second identification sub-circuit a, and the first identification sub-circuit a includes a first resistor R1. The first identification sub-circuit B is for connecting to a second identification sub-circuit B for providing a second identification signal (Ctrl2) to the second identification sub-circuit B, the first identification sub-circuit a comprising a second resistor R2 and a third resistor R3. When the communication control unit sets only the second identification sub-circuit a, only the first identification sub-circuit a may be set, and when the second identification circuit sets only the second identification sub-circuit B, only the first identification sub-circuit a may be set. In other embodiments, the first identification circuit may also have other equivalent circuit structures, for example, the resistance value and the number of the resistors are not limited.
Referring to fig. 3, fig. 3 is a schematic diagram of an equivalent circuit structure of a second identification sub-circuit a in an embodiment of the present application. In this embodiment, the second identifier sub-circuit a110 includes a fourth resistor R4 and a first switch Q1, a first terminal of the first switch Q1 is connected to the first power terminal (Von), a second terminal of the first switch Q1 is connected to the second power terminal (Vcc), a third terminal of the first switch Q1 is used for connecting the first identifier circuit and one terminal of the fourth resistor R4, and the other terminal of the fourth resistor R4 is connected to the first power terminal (Von); the second identification sub-circuit a110 is used for identifying the first identification signal (Ctrl1) of the first identification circuit, and controlling the on/off of the first switch Q1 based on the first identification signal (Ctrl1), thereby controlling whether the control device supplies power to the communication device. In other embodiments, the second identification sub-circuit a may also be other equivalent circuit structures, for example, the resistance value and the number of resistors are not limited.
Referring to fig. 4, fig. 4 is a schematic diagram of an equivalent circuit structure of a second flag sub-circuit B in the embodiment of the present application. In this embodiment, the second identification sub-circuit B120 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a second switch Q2, and a transistor; one end of a fifth resistor R5 is connected with a power supply terminal (Vcc), the other end of the fifth resistor R5 is connected with a signal receiving terminal (RX-1) of a control device, a first end of a second switch R2 and one end of a sixth resistor R6, a second end of a second switch Q2 is connected with a signal sending terminal (TX-2) of a communication device, one end of a seventh resistor R7 is used for being connected with a first identification circuit, the other end of the seventh resistor R7 is connected with a first end of a triode, a second end of the triode is connected with a third end of the second switch Q2 and the other end of the sixth resistor R6, and a third end of the triode is grounded; the second identification subcircuit B120 is used for identifying the second identification signal (Ctrl2) of the first identification circuit, and controlling the on/off of the second switch Q2 based on the second identification signal (Ctrl2), thereby controlling the on/off of the signal path between the control device and the communication device. In other embodiments, the second identification sub-circuit B may also be another equivalent circuit structure diagram, for example, the resistance value and the number of resistors are not limited.
Referring to fig. 5, fig. 5 is a schematic diagram of an equivalent circuit structure of a communication device according to an embodiment of the present disclosure. In this embodiment, when the control device is connected to the communication device, the first resistor R1 of the first identification circuit 20 is connected to the third terminal of the first switch Q1 of the second identification sub-circuit a110 and one terminal of the fourth resistor R4; the first resistor R1 of the first identification circuit 20 is capable of dividing the voltage of the first power signal to generate a first identification signal with a certain amplitude, so as to control the first switch Q1 to be turned on, so that Von is turned on with Vcc, and further control the control device to supply power to the communication device. Namely, the first resistor can regulate the amplitude of the first identification signal, and the first identification signals with different amplitudes are used for controlling the on/off of the first switch.
When the control device is connected to the communication device, the second resistor R2 of the first identification circuit 20 is connected to one end of the seventh resistor R7 of the second identification sub-circuit B120, and further connected to the third end of the second switch Q2 of the second identification sub-circuit B110; the second resistor R2 of the first identification circuit 20 may divide the voltage of the second power signal to generate a second identification signal with a certain amplitude, so as to control the second switch Q2 to be turned on/off, and further control the signal path between the control device and the communication device to be turned on, thereby establishing a communication connection between the control device and the communication device. Namely, the second resistor can regulate the amplitude of the second identification signal, and the second identification signals with different amplitudes are used for controlling the on/off of the second switch. The number of the second identification subcircuits B120 is two, and the second identification subcircuits B120 is respectively used for connecting TX2 and RX1, and RX2 and TX 1; only one is shown in the figure, and two second identification sub-circuits B120 may share one identification line (Ctrl2) or may be connected to each identification line (Ctrl 2).
In the above embodiment, by providing the first identification circuit and the second identification circuit on the control device and the communication device, the connection between the control device and the communication device can be controlled by the first identification circuit and the second identification circuit. When the first identification circuit and the second identification circuit are matched, the connection between the control device and the communication device can be realized, and when the first identification circuit and the second identification circuit are not matched, the connection between the control device and the communication device is abnormal. Through the mode, the complexity of connection between the communication device and the control device can be increased, the difficulty of copying the communication device is further increased, the safety of the original communication device is improved, and negative effects caused by the non-original communication device are avoided.
In the above embodiment, the provided communication device can be used as an independent communication device to be connected with communication equipment, and is easy to detach, replace and maintain.
The application also provides a communication device, which comprises a first communication circuit, a first interface circuit, a first identification circuit and a first identification circuit, wherein the first interface circuit is connected with the first communication circuit and is used for being connected with the control device; the first identification circuit is connected with the first interface circuit; the first identification circuit is connected with the first identification circuit and is used for being connected with the control device; the first identification circuit is used for cooperating with the control device and controlling whether the first communication circuit and the control device are normally connected or not in a hardware logic mode. The first communication circuit is used to implement a communication function, and the structure and function of the first identification circuit refer to the description of the above embodiments, the first interface circuit includes a power supply terminal (Vcc), a serial transmission terminal (TxD), a serial reception terminal (RxD), a common voltage reference terminal (commonly referred to as a ground terminal GND), and the like, and the first identification circuit includes Ctrl1 and Ctrl2 terminals. The communication device may be the structure of any of the above embodiments, and refer to the description of the above embodiments specifically.
In the above embodiments, the control device provided may be applied to a communication apparatus, connected to a communication device of the communication apparatus.
The application also provides a control device, which comprises a second communication circuit, a second interface circuit, a second identification circuit and a second identification circuit, wherein the second interface circuit is connected with the second communication circuit and the first interface circuit, and the second identification circuit is connected with the second interface circuit and the first identification circuit; the second identification line is connected with the second identification circuit and the first identification line. The second communication circuit is used to implement a communication function, and the structure and function of the second identification circuit refer to the description of the above embodiment, the second interface line includes a power supply terminal (Vcc), a serial transmission terminal (TxD), a serial reception terminal (RxD), a common voltage reference terminal (commonly referred to as a ground terminal GND), and the like, and the second identification circuit includes a Ctrl1 terminal and a Ctrl2 terminal. The control device may be the structure of any of the above embodiments, and refer to the description of the above embodiments specifically.
In the above embodiment, the provided communication device may be an intelligent household device, such as an intelligent household appliance, or the like. Specifically, the communication device can be an intelligent refrigerator, an intelligent air conditioner, an intelligent electric cooker, an intelligent sound box, an intelligent television and the like, and the specific form of the communication device is not limited herein.
The above description is only an embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes performed by the content of the present specification and the attached drawings, or applied to other related technical fields directly or indirectly, are included in the scope of the present invention.
Claims (11)
1. A communication device, comprising:
a first communication circuit;
the first interface circuit is connected with the first communication circuit and is used for being connected with a control device;
the first identification circuit is connected with the first interface circuit;
the first identification circuit is connected with the first identification circuit and is used for being connected with the control device;
wherein the first identification circuit is used for cooperating with the control device to control the connection/disconnection of the first communication circuit and the control device in a hardware logic manner.
2. The communication device of claim 1,
the first interface circuit comprises a first power supply circuit, and the first identification circuit is used for cooperating with the control device and controlling the power-on/power-off of the first communication circuit and the control device in a hardware logic mode.
3. The communication device of claim 2,
the first identification circuit comprises a first resistor, one end of the first resistor is connected with the first identification circuit, the first identification circuit is used for being connected with a second identification circuit in the control device, and the other end of the first resistor is grounded;
when the first identification circuit is connected with a second identification circuit in the control device, a first voltage division is generated on the first resistor, and the first voltage division can trigger the second identification circuit to communicate a second power supply line of the control device with the first power supply line.
4. The communication device of claim 1,
the first interface line comprises a first signal line, and the first identification circuit is used for cooperating with the control device and controlling the signal on/off of the first communication circuit and the control device in a hardware logic mode.
5. The communication device of claim 4,
the first identification circuit comprises a second resistor and a third resistor, one end of the second resistor is grounded, the other end of the second resistor is connected with one end of the third resistor, the other end of the third resistor is connected with the first interface circuit, one end of the second resistor connected with the third resistor is connected with the first identification circuit, and the first identification circuit is used for being connected with the second identification circuit in the control device;
when the first identification circuit is connected with a second identification circuit in the control device, a second voltage division is generated at the second resistor, and the second voltage division can trigger the second identification circuit to communicate a second signal circuit of the control device with the first signal circuit.
6. A control device, comprising:
a second communication circuit;
the second interface circuit is connected with the second communication circuit and is used for being connected with a communication device;
the second identification circuit is connected with the second interface circuit;
the second identification circuit is connected with the second identification circuit and is used for being connected with the communication device;
wherein the second identification circuit is used for cooperating with the communication device and controlling the connection/disconnection of the second communication circuit and the communication device in a hardware logic manner.
7. The control device of claim 6,
the second interface circuit comprises a second power supply line, and the second identification circuit is used for cooperating with the communication device and controlling the power-on/power-off of the second communication circuit and the communication device in a hardware logic mode.
8. The control device of claim 7,
the second identification circuit comprises a fourth resistor and a first switch, the first end and the second end of the first switch are connected with the second power supply circuit, the third end of the first switch is connected with a second identification circuit and one end of the fourth resistor, the other end of the fourth resistor is connected with the second power supply circuit, and the second identification circuit is used for being connected with the first identification circuit in the communication device;
when the second identification circuit is connected with a first identification circuit in the communication device, a first voltage division is generated on the first resistor, and the first voltage division can trigger the first switch to connect a second power supply line and the first power supply line of the control device.
9. The control device of claim 8,
the second interface line comprises a second signal line, and the second identification circuit is used for cooperating with the communication device and controlling the signal on/off of the second communication circuit and the communication device in a hardware logic mode.
10. The control device of claim 9,
the second identification circuit comprises a fifth resistor, a sixth resistor, a seventh resistor, a second switch and a triode; one end of the fifth resistor is connected with the second power supply line, the other end of the fifth resistor is connected with the second signal line, the first end of the second switch and one end of the sixth resistor, the second end of the second switch is used for connecting the first signal line of the communication device, one end of the seventh resistor is used for connecting the second identification line, the other end of the seventh resistor is connected with the first end of the triode, the second end of the triode is connected with the third end of the second switch and the other end of the sixth resistor, the third end of the triode is grounded, and the second identification line is used for connecting the first identification circuit in the communication device;
when the second identification line is connected with the first identification circuit in the communication device, a second partial voltage is generated at the second resistor, and the second partial voltage can trigger the second switch to connect the second signal line and the first signal line of the communication device.
11. A communication apparatus comprising a communication device and a control device,
the communication device comprises a first communication circuit, a first interface circuit, a first identification circuit and a first identification circuit, wherein the first interface circuit is connected with the first communication circuit, and the first identification circuit is connected with the first interface circuit; the first identification circuit is connected with the first identification circuit;
the control device comprises a second communication circuit, a second interface circuit, a second identification circuit and a second identification circuit, wherein the second interface circuit is connected with the second communication circuit and the first interface circuit, and the second identification circuit is connected with the second interface circuit and the first identification circuit; the second identification circuit is connected with the second identification circuit and the first identification circuit;
wherein the first identification circuit and the second identification circuit control connection/disconnection of the first communication circuit and the second communication circuit in a hardware logic manner.
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