CN115469575A - Low-power consumption control system based on bus communication, controller and linear driving device - Google Patents

Low-power consumption control system based on bus communication, controller and linear driving device Download PDF

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Publication number
CN115469575A
CN115469575A CN202211013199.2A CN202211013199A CN115469575A CN 115469575 A CN115469575 A CN 115469575A CN 202211013199 A CN202211013199 A CN 202211013199A CN 115469575 A CN115469575 A CN 115469575A
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power
low
pin
resistor
instruction
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刘树
项乐宏
余自兵
任云涛
徐增锋
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Loctek Ergonomic Technology Co Ltd
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Loctek Ergonomic Technology Co Ltd
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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
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller

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  • Automation & Control Theory (AREA)
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Abstract

The invention provides a low-power consumption control system, a controller and a linear driving device based on bus communication, which relate to the technical field of low-power consumption design and comprise the following steps: the power supply module is provided with a low-power-consumption voltage output port and a working voltage output port; the power supply module supplies power to the low-power-consumption control module through the low-power-consumption voltage output port, and the low-power-consumption control module is in communication connection with an external instruction receiving device and at least one instruction execution device in a bus communication mode; and the low-power-consumption control module controls the working voltage output port to supply power to the instruction receiving device and each instruction execution device when receiving the control instruction output by the instruction receiving device, and controls the low-power-consumption voltage output port to supply power to the instruction receiving device and each instruction execution device when not receiving the control instruction within a preset time period. The power consumption control method has the advantages that the instruction execution device can work normally by providing two paths of voltage outputs, and meanwhile, the power consumption in the dormant state meets the requirement of the standby power consumption authentication standard.

Description

Low-power-consumption control system based on bus communication, controller and linear driving device
Technical Field
The invention relates to the technical field of low-power-consumption design, in particular to a low-power-consumption control system based on bus communication, a controller and a linear driving device.
Background
With the continuous development of electronic technology, low power consumption circuits are increasingly used in circuits. The low-power consumption circuit can reduce the energy consumption of the circuit, save resources and reduce the heat generated by the circuit, and has important significance for maintaining the stable operation of the circuit.
The existing low-power consumption circuit has low energy consumption of a working circuit, because the working circuit works in a specific working environment, the working circuit can not provide large current for working and can not be suitable for loads requiring large current and high voltage output power supply. The power consumption of a low-power consumption circuit suitable for a load requiring large-current high-voltage output power supply is usually over 1W even in a low-power consumption mode, and the requirement of a standby power consumption authentication standard cannot be met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a low-power consumption control system based on bus communication, which comprises:
the power supply module provides a low-power consumption voltage output port and a working voltage output port;
the power supply module supplies power to the low-power-consumption control module through the low-power-consumption voltage output port, and the low-power-consumption control module establishes communication connection with an external instruction receiving device and at least one instruction execution device in a bus communication mode;
the low-power consumption control module is used for controlling the power supply module to supply power to the instruction receiving device and each instruction execution device through the working voltage output port when receiving a control instruction output by the instruction receiving device, so that each instruction execution device is in a wake-up state and executes the control instruction,
and when the control instruction is not received within a preset time period, controlling the power supply module to supply power to the instruction receiving device and each instruction execution device through the low-power-consumption voltage output port, so that each instruction execution device is switched from the awakening state to the dormant state.
Preferably, the low power consumption control module includes a main control circuit, and a bus communication circuit and a control output interface circuit connected to the main control circuit, the power supply module supplies power to the main control circuit and the bus communication circuit through the low power consumption voltage output port, and the main control circuit is communicatively connected to the instruction receiving device and each instruction executing device through the bus communication circuit;
the main control circuit is used for driving the control output interface circuit to control the power supply module to supply power to the instruction receiving device and each instruction execution device through the working voltage output port when the control instruction output by the instruction receiving device is received through the bus communication circuit, so that each instruction execution device is in a wake-up state and executes the control instruction;
the main control circuit is further configured to drive the control output interface circuit to control the power supply module to supply power to the instruction receiving device and each instruction execution device through the low-power-consumption voltage output port when the control instruction is not received within the preset time period, so that each instruction execution device is switched from the wake-up state to the sleep state.
Preferably, the main control circuit includes a main control chip, a first pin of the main control chip is connected to a power enable pin of the power supply module, a second pin, a third pin and a fifth pin of the main control chip are connected to the bus communication circuit, a fourth pin of the main control chip is grounded through a first capacitor, a sixth pin of the main control chip is connected to the control output interface circuit, a seventh pin of the main control chip is grounded, an eighth pin of the main control chip is grounded through a second capacitor, and a ninth pin of the main control chip is connected to the low-power voltage output port.
Preferably, the bus communication circuit includes:
one end of the first resistor is connected with the third pin of the main control chip, the other end of the first resistor is respectively connected with the first pin of a communication chip and one end of a second resistor, and the other end of the second resistor is connected with the low-power-consumption voltage output port;
one end of the third resistor is connected with the fifth pin of the main control chip, the other end of the third resistor is respectively connected with the second pin and the third pin of the communication chip and one end of a fourth resistor, and the other end of the fourth resistor is grounded;
one end of the fifth resistor is connected with the second pin of the main control chip, the other end of the fifth resistor is respectively connected with the fourth pin of the communication chip and one end of a sixth resistor, and the other end of the sixth resistor is connected with the low-power-consumption voltage output port;
one end of the seventh resistor is connected with a fifth pin of the communication chip, the other end of the seventh resistor is respectively connected with the seventh pin of the communication chip and one end of a first bidirectional diode, and the fifth pin of the communication chip and the other end of the first bidirectional diode are both grounded;
one end of the eighth resistor is connected with one end of the first bidirectional diode, and the other end of the eighth resistor is connected with the control output interface circuit;
one end of the ninth resistor is connected with one end of a tenth resistor, one end of a second bidirectional diode and a sixth pin of the communication chip respectively, the other end of the ninth resistor is connected with the control output interface circuit, the other end of the tenth resistor is connected with one end of the eighth resistor, and the other end of the second bidirectional diode is grounded;
one end of the eleventh resistor is connected with one end of the second bidirectional diode, and the other end of the eleventh resistor is respectively connected with the eighth pin of the communication chip and the low-power-consumption voltage output port;
and one end of the third capacitor is connected with the low-power-consumption voltage output port, and the other end of the third capacitor is grounded.
Preferably, the control output interface circuit includes:
a normally closed contact of the relay is connected with the low-power-consumption voltage output port, a normally open contact of the relay is connected with the working voltage output port, a first coil pin of the relay, which corresponds to the normally closed contact, is connected with an anode of a diode, and a second coil pin of the relay, which corresponds to the normally open contact, is respectively connected with a cathode of the diode and the low-power-consumption voltage output port;
a collector of the triode is respectively connected with the first coil pin and an anode of the diode, an emitter of the triode is grounded, a base of the triode is respectively connected with one end of a twelfth resistor and one end of a thirteenth resistor, the other end of the twelfth resistor is connected with a sixth pin of the main control chip, and the other end of the thirteenth resistor is grounded;
the public end of the relay is respectively connected with a plurality of bus communication interfaces, and each bus communication interface is respectively connected with the bus communication circuit.
Preferably, the bus communication interface is a 4-pin interface, including:
the first pin interface is connected with the bus communication circuit;
the second pin interface is connected with the bus communication circuit;
the third pin interface is respectively connected with the common end of the relay and one end of a fourth capacitor;
and the fourth pin interface is connected with the other end of the fourth capacitor and grounded.
Preferably, at least two bus communication interfaces are provided, and the instruction receiving device and the instruction executing device are correspondingly plugged in the bus communication interfaces respectively.
The invention also provides a controller which comprises the low-power-consumption control system, the controller comprises a shell, the power supply module and the low-power-consumption control module are integrated in the shell, and a power supply connecting wire socket for accessing commercial power and a plurality of bus communication interfaces for accessing the instruction receiving device and the instruction executing devices are arranged on the side surface of the shell;
the power supply module is connected with commercial power through the power connecting wire socket and outputs the commercial power to the low-power-consumption voltage output port and the working voltage output port after alternating current-direct current conversion is carried out respectively.
The invention also provides a linear driving device which comprises the controller.
The technical scheme has the following advantages or beneficial effects:
1) By providing two voltage outputs, the system supplies power through the working voltage output port in the awakening state, so that the instruction execution device requiring large-current high-voltage power supply can work normally, and supplies power through the low-power consumption voltage output port in the dormant state, so that the power consumption in the dormant state is less than 0.5W, and the requirement of the standby power consumption authentication standard is met;
2) By providing a plurality of identical bus communication interfaces, the instruction receiving device and the instruction executing device can be optionally plugged by the bus communication interfaces, so that the installation and the use are convenient.
Drawings
FIG. 1 is a schematic diagram of a low power consumption control system based on bus communication according to a preferred embodiment of the present invention;
FIG. 2 is a circuit diagram of a master control circuit according to a preferred embodiment of the present invention;
FIG. 3 is a circuit diagram of a bus communication circuit according to a preferred embodiment of the present invention;
FIG. 4 is a circuit diagram of the control output interface circuit according to the preferred embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be made within the scope of the present invention as long as the gist of the present invention is satisfied.
In accordance with the above-mentioned problems in the prior art, there is provided a low power consumption control system based on bus communication, as shown in fig. 1, comprising:
the power supply module 1, the power supply module 1 provides a low power consumption voltage output port VCC1 and a working voltage output port VCC2;
the power supply module 1 supplies power to the low-power-consumption control module 2 through the low-power-consumption voltage output port VCC1, and the low-power-consumption control module 2 establishes communication connection with an external instruction receiving device 3 and at least one instruction execution device 4 in a bus communication mode;
the low power consumption control module 2 is used for controlling the power supply module 1 to supply power to the instruction receiving device 3 and each instruction execution device 4 through the working voltage output port VCC2 when receiving a control instruction output by the instruction receiving device 3, so that each instruction execution device 4 is in a wake-up state and executes the control instruction,
and when the control instruction is not received in a preset time period, the control power supply module 1 supplies power to the instruction receiving device 3 and each instruction execution device 4 through the low-power-consumption voltage output port VCC1, so that each instruction execution device 4 is switched from the awakening state to the sleeping state.
Specifically, in this embodiment, the power supply module 1 may be an ACDC power supply, and the low-power voltage output port VCC1 preferably outputs a low-current, low-power and low-power voltage, where the low-current, low-power and low-power voltage can implement the standby of the low-power control module, but the instruction execution device 4 cannot work, that is, is in a sleep state. The operating voltage output port VCC2 preferably outputs a large current and a high voltage, and the command execution device 4 can normally operate, i.e., is in a wake-up state, under the large current and the high voltage. In the awakening state, if a control instruction given by the instruction receiving device 3 is not received for a long time, the low-power-consumption voltage output port VCC1 is automatically switched to supply power and the state is switched to the dormant state, the long-time preference is represented by a preset time period, and specific numerical values can be configured according to requirements. In the sleep state, once a control instruction given by the instruction receiving device 3 is received, the power supply is automatically switched to the working voltage output port 4, so that the instruction executing device 4 can work normally and execute the control instruction. Based on this, this technical scheme can realize realizing the low-power consumption when guaranteeing heavy current high voltage output, and satisfy stand-by power consumption authentication standard requirement.
In a preferred embodiment, the instruction receiving device 3 may be configured with a plurality of control keys, and any control key pressed can trigger generation of a corresponding control instruction to switch from the sleep state to the wake state.
In another preferred embodiment, besides the control key, the instruction receiving device 3 may also be provided with a wake-up key independently, and the wake-up key is only pressed to trigger generation of the control instruction capable of switching from the sleep state to the wake-up state, so as to prevent false wake-up and further reduce power consumption.
In another preferred embodiment, the instruction receiving device 3 may be configured with a human-machine interface, and a corresponding control button is provided on the human-machine interface for being triggered by a user to wake up and control the instruction executing device 4 to act.
In a preferred embodiment of the present invention, the low power consumption control module 2 includes a main control circuit 21, and a bus communication circuit 22 and a control output interface circuit 23 connected to the main control circuit 21, the power supply module 1 supplies power to the main control circuit 21 and the bus communication circuit 22 through the low power consumption voltage output port VCC1, and the main control circuit 21 is communicatively connected to the instruction receiving device 3 and each instruction executing device 4 through the bus communication circuit 22;
the main control circuit 21 is configured to, when receiving a control instruction output by the instruction receiving device 3 through the bus communication circuit 22, drive the control output interface circuit 23 to control the power supply module 1 to supply power to the instruction receiving device 3 and each instruction execution device 4 through the working voltage output port VCC2, so that each instruction execution device 4 is in an awake state and executes the control instruction;
the main control circuit 21 is further configured to, when the control instruction is not received within a preset time period, control the driving control output interface circuit 23 to control the power supply module 1 to supply power to the instruction receiving device 3 and each instruction execution device 4 through the low-power-consumption voltage output port VCC1, so that each instruction execution device 4 is switched from the awake state to the sleep state.
In a preferred embodiment of the present invention, as shown in fig. 2, the main control circuit 21 includes a main control chip U1, a first pin of the main control chip U1 is connected to a power enable pin EN of the power supply module 1, a second pin, a third pin and a fifth pin of the main control chip U1 are connected to the bus communication circuit 22, a fourth pin of the main control chip U1 is grounded through a first capacitor C1, a sixth pin of the main control chip U1 is connected to the control output interface circuit 23, a seventh pin of the main control chip U1 is grounded, an eighth pin of the main control chip U1 is grounded through a second capacitor C2, and a ninth pin of the main control chip U1 is connected to the low power consumption voltage output port VCC1.
In a preferred embodiment of the present invention, as shown in fig. 3, the bus communication circuit 22 includes:
one end of the first resistor R1 is connected with the third pin of the main control chip U1, the other end of the first resistor R1 is respectively connected with the first pin of the communication chip U2 and one end of the second resistor R2, and the other end of the second resistor R2 is connected with the low-power-consumption voltage output port VCC1;
one end of the third resistor R3 is connected with the fifth pin of the main control chip U1, the other end of the third resistor R3 is respectively connected with the second pin and the third pin of the communication chip U2 and one end of a fourth resistor R4, and the other end of the fourth resistor R4 is grounded;
one end of the fifth resistor R5 is connected with the second pin of the main control chip U1, the other end of the fifth resistor R5 is respectively connected with the fourth pin of the communication chip U2 and one end of a sixth resistor R6, and the other end of the sixth resistor R6 is connected with the low-power-consumption voltage output port VCC1;
one end of the seventh resistor R7 is connected with the fifth pin of the communication chip U2, the other end of the seventh resistor R7 is respectively connected with the seventh pin of the communication chip U2 and one end of the first bidirectional diode D1, and the fifth pin of the communication chip U2 and the other end of the first bidirectional diode D1 are both grounded;
one end of the eighth resistor R8 is connected to one end of the first bidirectional diode D1, and the other end of the eighth resistor R8 is connected to the control output interface circuit 23;
one end of a ninth resistor R9, one end of the ninth resistor R9 is connected to one end of a tenth resistor R10, one end of a second bidirectional diode D2 and the sixth pin of the communication chip U2 respectively, the other end of the ninth resistor R9 is connected to the control output interface circuit 23, the other end of the tenth resistor R10 is connected to one end of an eighth resistor R8, and the other end of the second bidirectional diode D2 is grounded;
one end of the eleventh resistor R11 is connected with one end of the second bidirectional diode D2, and the other end of the eleventh resistor R11 is respectively connected with the eighth pin of the communication chip U2 and the low-power-consumption voltage output port VCC1;
and one end of the third capacitor C3 is connected with the low-power-consumption voltage output port VCC1, and the other end of the third capacitor C3 is grounded.
Specifically, bus communication modes that CAN be adopted by the bus communication circuit include, but are not limited to, R485 communication, LIN communication, CAN communication, and RS422 communication, and in this embodiment, a bus communication circuit corresponding to RS485 communication is shown, but not limited thereto, and may be adaptively adjusted according to different communication modes.
In a preferred embodiment of the present invention, as shown in fig. 4, the control output interface circuit 23 includes:
a normally closed contact NC of the relay K is connected with the low-power-consumption voltage output port VCC1, a normally open contact NO of the relay K is connected with the working voltage output port VCC2, a first coil pin CL1 of the relay K, which corresponds to the normally closed contact NC, is connected with the anode of a diode D3, and a second coil pin CL2 of the relay K, which corresponds to the normally open contact NO, is respectively connected with the cathode of the diode D3 and the low-power-consumption voltage output port VCC1;
a collector of the triode Q is respectively connected with the first coil pin CL1 and an anode of the diode D3, an emitter of the triode Q is grounded, a base of the triode Q is respectively connected with one end of a twelfth resistor R12 and one end of a thirteenth resistor R13, the other end of the twelfth resistor R12 is connected with a sixth pin of the main control chip U1, and the other end of the thirteenth resistor R13 is grounded;
the common terminal COM of the relay K is connected to a plurality of bus communication interfaces CN, and each bus communication interface CN is connected to the bus communication circuit 22.
Specifically, in this embodiment, the relay may also be replaced by an MOS transistor, and the normal operating voltage output port may be switched on or off. The triode can also be replaced by a driving chip.
In a preferred embodiment of the present invention, the bus communication interface CN is a 4-pin interface, which includes:
the first pin interface is connected with the bus communication circuit;
the second pin interface is connected with the bus communication circuit;
the third pin interface is respectively connected with the common terminal COM of the relay K and one end of a fourth capacitor C4;
and the fourth pin interface is connected with the other end of the fourth capacitor C4 and grounded.
In a preferred embodiment of the present invention, there are at least two bus communication interfaces CN, which correspond to the plugging command receiving device 3 and the command executing device 4, respectively.
Specifically, in this embodiment, the same bus communication interface is provided, so that the instruction receiving device and the instruction executing device can be optionally plugged by the bus communication interface, and the installation and the use are convenient.
Based on the circuit designs as shown in fig. 2 to fig. 4, the low power consumption control principle of the present technical solution is illustrated as follows:
when a key in the instruction receiving device 3 is pressed down, a control instruction is triggered to be generated, the control instruction is transmitted to the bus communication circuit 22 through the first pin interface RS487-B and the second pin interface RS487-A of the plugged bus communication interface CN and is transmitted to the third pin of the main control chip U1 through the first pin of the communication chip U2 in the bus communication circuit 22, the main control chip U1 correspondingly generates a high-level signal based on the control instruction and outputs the high-level signal to the control output interface circuit 23 through the sixth pin OUT-EN, at the moment, the triode Q is conducted, the normally open contact of the relay K is attracted, power is supplied through the working voltage output port VCC2, and the instruction executing device 4 plugged in the bus communication interface 22 can normally work. And then, when the main control chip U1 does not receive the control instruction within the preset time period, triggering to generate a low level signal, and outputting the low level signal to the control output interface circuit 23 through the sixth pin OUT-EN, at the moment, the triode Q is cut off, and the relay K is restored to the attraction of the normally closed contact, so that the power supply of the low-power-consumption voltage output port VCC1 is realized, the instruction execution device 4 inserted into the bus communication interface 22 cannot normally work, and enters the sleep state until the key is pressed down again in the instruction receiving device 3.
The invention also provides a controller which comprises the low-power-consumption control system, wherein the controller comprises a shell, a power supply module and a low-power-consumption control module are integrated in the shell, and a power supply connecting wire socket for mains supply access and a plurality of bus communication interfaces for the access of the instruction receiving device and the instruction executing devices are arranged on the side surface of the shell;
the power supply module is connected with commercial power through a power connecting wire socket and respectively outputs the commercial power to the low-power consumption voltage output port and the working voltage output port after alternating current-direct current conversion.
The invention also provides a linear driving device which comprises the controller.
Specifically, in this embodiment, the technical solution may be applied to a lifting table, where the controller is a lifting controller, the corresponding instruction receiving device is a hand controller, and the corresponding instruction executing device is a motor controller, and in a wake-up state, the linear driving system can work, and the motor controller may also be other external devices working under a large current and a high voltage.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.

Claims (9)

1. A low power consumption control system based on bus communication, characterized by comprising:
the power supply module provides a low-power consumption voltage output port and a working voltage output port;
the power supply module supplies power to the low-power-consumption control module through the low-power-consumption voltage output port, and the low-power-consumption control module establishes communication connection with an external instruction receiving device and at least one instruction execution device in a bus communication mode;
the low-power consumption control module is used for controlling the power supply module to supply power to the instruction receiving device and each instruction execution device through the working voltage output port when receiving a control instruction output by the instruction receiving device, so that each instruction execution device is in a wake-up state and executes the control instruction,
and when the control instruction is not received within a preset time period, controlling the power supply module to supply power to the instruction receiving device and each instruction execution device through the low-power-consumption voltage output port, so that each instruction execution device is switched from the awakening state to the sleeping state.
2. The low-power-consumption control system according to claim 1, wherein the low-power-consumption control module comprises a main control circuit, and a bus communication circuit and a control output interface circuit connected to the main control circuit, the power supply module supplies power to the main control circuit and the bus communication circuit through the low-power-consumption voltage output port, and the main control circuit is communicatively connected to the instruction receiving device and each instruction executing device through the bus communication circuit;
the main control circuit is used for driving the control output interface circuit to control the power supply module to supply power to the instruction receiving device and each instruction execution device through the working voltage output port when the control instruction output by the instruction receiving device is received through the bus communication circuit, so that each instruction execution device is in a wake-up state and executes the control instruction;
the main control circuit is further configured to drive the control output interface circuit to control the power supply module to supply power to the instruction receiving device and each instruction execution device through the low-power-consumption voltage output port when the control instruction is not received within the preset time period, so that each instruction execution device is switched from the wake-up state to the sleep state.
3. The low power consumption control system of claim 2, wherein the main control circuit comprises a main control chip, a first pin of the main control chip is connected to a power enable pin of the power module, a second pin, a third pin and a fifth pin of the main control chip are connected to the bus communication circuit, a fourth pin of the main control chip is grounded through a first capacitor, a sixth pin of the main control chip is connected to the control output interface circuit, a seventh pin of the main control chip is grounded, an eighth pin of the main control chip is grounded through a second capacitor, and a ninth pin of the main control chip is connected to the low power consumption voltage output port.
4. The low power consumption control system of claim 3, wherein the bus communication circuit comprises:
one end of the first resistor is connected with the third pin of the main control chip, the other end of the first resistor is respectively connected with the first pin of a communication chip and one end of a second resistor, and the other end of the second resistor is connected with the low-power-consumption voltage output port;
one end of the third resistor is connected with the fifth pin of the main control chip, the other end of the third resistor is respectively connected with the second pin and the third pin of the communication chip and one end of a fourth resistor, and the other end of the fourth resistor is grounded;
one end of the fifth resistor is connected with the second pin of the main control chip, the other end of the fifth resistor is respectively connected with the fourth pin of the communication chip and one end of a sixth resistor, and the other end of the sixth resistor is connected with the low-power-consumption voltage output port;
one end of the seventh resistor is connected with the fifth pin of the communication chip, the other end of the seventh resistor is respectively connected with the seventh pin of the communication chip and one end of the first bidirectional diode, and the fifth pin of the communication chip and the other end of the first bidirectional diode are both grounded;
one end of the eighth resistor is connected with one end of the first bidirectional diode, and the other end of the eighth resistor is connected with the control output interface circuit;
one end of the ninth resistor is connected with one end of a tenth resistor, one end of a second bidirectional diode and a sixth pin of the communication chip respectively, the other end of the ninth resistor is connected with the control output interface circuit, the other end of the tenth resistor is connected with one end of the eighth resistor, and the other end of the second bidirectional diode is grounded;
one end of the eleventh resistor is connected with one end of the second bidirectional diode, and the other end of the eleventh resistor is respectively connected with the eighth pin of the communication chip and the low-power-consumption voltage output port;
and one end of the third capacitor is connected with the low-power-consumption voltage output port, and the other end of the third capacitor is grounded.
5. The low power consumption control system of claim 3, wherein the control output interface circuit comprises:
a normally closed contact of the relay is connected with the low-power-consumption voltage output port, a normally open contact of the relay is connected with the working voltage output port, a first coil pin of the relay, which corresponds to the normally closed contact, is connected with an anode of a diode, and a second coil pin of the relay, which corresponds to the normally open contact, is respectively connected with a cathode of the diode and the low-power-consumption voltage output port;
a collector of the triode is respectively connected with the first coil pin and an anode of the diode, an emitter of the triode is grounded, a base of the triode is respectively connected with one end of a twelfth resistor and one end of a thirteenth resistor, the other end of the twelfth resistor is connected with a sixth pin of the main control chip, and the other end of the thirteenth resistor is grounded;
the public end of the relay is respectively connected with a plurality of bus communication interfaces, and each bus communication interface is respectively connected with the bus communication circuit.
6. The low power consumption control system of claim 5, wherein the bus communication interface is a 4-pin interface comprising:
the first pin interface is connected with the bus communication circuit;
the second pin interface is connected with the bus communication circuit;
the third pin interface is respectively connected with the common end of the relay and one end of a fourth capacitor;
and the fourth pin interface is connected with the other end of the fourth capacitor and grounded.
7. The low power consumption control system according to claim 5, wherein the number of the bus communication interfaces is at least two, and the two bus communication interfaces are respectively plugged with the instruction receiving device and the instruction executing device.
8. A controller, comprising the low power consumption control system according to any one of claims 1 to 7, wherein the controller comprises a housing, the power supply module and the low power consumption control module are integrated in the housing, and a power connection line socket for accessing mains supply and a plurality of bus communication interfaces for accessing the instruction receiving device and the instruction executing devices are arranged on the side surface of the housing;
the power supply module is connected with commercial power through the power connecting wire socket and outputs the commercial power to the low-power-consumption voltage output port and the working voltage output port after alternating current-direct current conversion.
9. A linear drive comprising a controller as claimed in claim 8.
CN202211013199.2A 2022-08-23 2022-08-23 Low-power consumption control system based on bus communication, controller and linear driving device Pending CN115469575A (en)

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