CN213040722U

CN213040722U - Non-contact wire control device and non-contact air conditioner wire control system

Info

Publication number: CN213040722U
Application number: CN202020986261.6U
Authority: CN
Inventors: 李德保
Original assignee: Tongshan Xinghuoyuan Industrial Co ltd
Current assignee: Tongshan Xinghuoyuan Industrial Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-23
Anticipated expiration: 2030-06-02

Abstract

A non-contact wire control device and a non-contact air conditioner wire control system are provided, wherein the non-contact wire control device triggers a control circuit to start up when a preset biological characteristic is detected by adding a first induction circuit, a second induction circuit, a control circuit and a transmission circuit, converts an electric signal generated by induction of a grounding object close to a corresponding position of the second induction circuit into a control signal for controlled equipment through the second induction circuit and the control circuit, and transmits the control signal to each controlled equipment through the transmission circuit, so that the non-contact control of each controlled equipment is realized, and the problems of high safety risk and poor user experience of the traditional control device of the controlled equipment are solved.

Description

Non-contact wire control device and non-contact air conditioner wire control system

Technical Field

The application belongs to the technical field of control, and particularly relates to a non-contact type wire control device and a non-contact type air conditioner wire control system.

Background

At present, the traditional controlled equipment is generally controlled by adopting direct keys, for example, a remote controller of an air conditioner or keys arranged on a panel of an air conditioner body, but for the controlled equipment in public places, cross infection risks exist when a plurality of people directly touch the keys of the remote controller or the keys of the panel, and the user experience is poor.

Therefore, the conventional control device of the controlled device has the problems of high safety risk and poor user experience.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a non-contact type wire control device and a non-contact type air conditioner wire control system, and aims to solve the problems that a traditional control device of controlled equipment is high in safety risk and poor in user experience.

A first aspect of an embodiment of the present application provides a contactless line control device, including:

the first sensing circuit is used for detecting a preset biological characteristic and generating a trigger signal;

the second sensing circuit is used for sensing the close grounding object and generating an electric signal;

the control circuit is connected with the first sensing circuit and the second sensing circuit and used for starting up under the trigger signal and converting the electric signal into a control signal for controlled equipment; and

the transmission circuit is connected with the control circuit and is used for being connected with at least one controlled device, and the transmission circuit is used for transmitting the control signal to each controlled device.

In one embodiment, the first sensing circuit comprises an infrared receiving tube, an output end of the infrared receiving tube is connected with the control circuit, and the infrared receiving tube is used for detecting infrared rays with preset wavelengths and generating the trigger signal.

In one embodiment, the second sensing circuit includes a non-contact key chip and a plurality of capacitive sensing elements, each of the capacitive sensing elements is connected to a respective input terminal of the non-contact key chip in a one-to-one correspondence, and an output terminal of the non-contact key chip is connected to the control circuit.

In one embodiment, the transmission circuit comprises one or more of an RS485 chip, a serial port chip and a UART chip.

In one embodiment, the contactless line control device further comprises a wireless communication circuit connected with the control circuit, and the wireless communication circuit is used for generating an electric signal according to the wireless control signal and outputting the electric signal to the control circuit when accessing the wireless control signal.

In one embodiment, the wireless communication circuit includes one or more of a WIFI chip, a bluetooth chip, and a radio frequency chip.

In one embodiment, the contactless line control device further comprises an indication circuit connected with the control circuit, and the indication circuit is used for indicating the working state of the control circuit.

In one embodiment, the contactless line control device further comprises a power supply circuit, wherein the power supply circuit is used for connecting an external power supply and converting the voltage of the power supply into an operating voltage.

A second aspect of an embodiment of the present application provides a non-contact air conditioner drive-by-wire system, including:

at least one air conditioner body;

an upper computer; and

in the contactless line control device according to the first aspect of the embodiment of the present application, the upper computer is in communication connection with the contactless line control device, and each of the air conditioner bodies is connected to the transmission circuit.

In one embodiment, the upper computer comprises one or more of a mobile phone client, a computer and a cloud server.

According to the non-contact wire control device, the first induction circuit, the second induction circuit, the control circuit and the transmission circuit are added, the control circuit is triggered to be started when the preset biological characteristics are detected, an electric signal generated based on induction of a grounding object close to the corresponding position of the second induction circuit is converted into a control signal for controlled equipment through the second induction circuit and the control circuit, and the control signal is transmitted to each controlled equipment through the transmission circuit, so that non-contact control over each controlled equipment is realized, and the problems of high safety risk and poor user experience of a traditional control device for the controlled equipment are solved.

Drawings

Fig. 1 is a schematic circuit diagram of a contactless drive-by-wire device according to an embodiment of the present application;

FIG. 2 is a schematic circuit diagram of an exemplary second sensing circuit of the contactless wire control device shown in FIG. 1;

FIG. 3 is another circuit schematic diagram of the contactless line control device shown in FIG. 1;

fig. 4 is a schematic circuit diagram of an example of a wireless communication circuit in the contactless line control apparatus shown in fig. 3;

FIG. 5 is another circuit schematic diagram of the contactless line control device shown in FIG. 1;

FIG. 6 is a schematic circuit diagram of an example of an indicator circuit in the contactless line control device shown in FIG. 5;

fig. 7 is a schematic circuit diagram of a contactless air-conditioning drive-by-wire system according to an embodiment of the present application.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 shows a schematic structural diagram of a contactless drive-by-wire apparatus provided in a first aspect of an embodiment of the present application, and for convenience of description, only parts related to the embodiment are shown, and details are as follows:

the contactless drive-by-wire device in this embodiment includes: the inductive circuit comprises a first inductive circuit 100, a second inductive circuit 200, a control circuit 300 and a transmission circuit 400, wherein the control circuit 300 is connected with the first inductive circuit 100, the second inductive circuit 200 and the transmission circuit 400; the first sensing circuit 100 is used for detecting a preset biological characteristic and generating a trigger signal; the second sensing circuit 200 is used for sensing a nearby grounded object and generating an electrical signal; the control circuit 300 is configured to start up under the trigger signal and convert the electrical signal into a control signal for the controlled device 10; the transmission circuit 400 is used for connecting with at least one controlled device 10, and the transmission circuit 400 is used for transmitting a control signal to each controlled device 10.

It should be understood that the controlled device 10 may be an air conditioner, a fan, a television, or other intelligent device.

It should be understood that the preset biometric features may be features based on specific infrared rays of the human body temperature, facial recognition, etc., and the first sensing circuit 100 may be formed by a human body infrared sensing switch, a pyroelectric infrared sensor, a temperature sensor, a facial recognition chip, etc. In one embodiment, the first sensing circuit 100 includes an infrared receiving tube, an output end of which is connected to the control circuit 300, and the infrared receiving tube is used for detecting infrared rays with preset wavelength and generating the trigger signal. The infrared receiving tube in this embodiment is an infrared receiving tube of type HS0038B, and in other embodiments, other types of infrared receiving tubes may be used, it can be understood that the human body has a constant body temperature, generally 36 to 37 degrees celsius, and the wavelength of the infrared ray is related to the temperature, that is, the human body may emit the infrared ray with a specific wavelength, so that the infrared receiving tube that receives the infrared ray at the interval of 36 to 37 degrees celsius is disposed in the first sensing circuit 100, so as to determine whether the human body approaches, and further output a corresponding trigger signal to the control circuit 300. The trigger signal may be a high-low level signal.

It should be understood that the second sensing circuit 200 is formed by a chip or a device, such as a capacitive sensing key, which senses a nearby grounded object and generates a corresponding electrical signal. It should be understood that the grounded object may be a person, etc. Alternatively, the grounded object is close to different positions of the second sensing circuit 200 to generate different electrical signals, that is, the grounded object is close to the different positions of the second sensing circuit 200 to output electrical signals representing different control operations to the control circuit 300 according to the control operations (for example, temperature increase, temperature decrease, etc.) represented by the different positions of the second sensing circuit 200.

Referring to fig. 2, in an embodiment, the second sensing circuit 200 includes a non-contact KEY chip U2 and a plurality of capacitance sensing units, each of the capacitance sensing units is connected to each input terminal (KEY0-KEY 15) of the non-contact KEY chip U2 in a one-to-one correspondence, and the capacitance sensing units are capacitance plates, it can be understood that when a grounded object (e.g., a person) approaches, the capacitance sensing units generate a capacitance difference. In this embodiment, the touch screen display device includes a capacitor C7, a capacitor C8 and a capacitor C9, wherein a first end of the capacitor C7 is connected to a KEY0 end of the non-contact KEY chip U2, a second end of the capacitor C7 is grounded, a first end of the capacitor C8 is connected to a KEY1 end of the non-contact KEY chip U2, a second end of the capacitor C8 is grounded, a first end of the capacitor C9 is connected to a KEY2 end of the non-contact KEY chip U2, a second end of the capacitor C2 is grounded, optionally, each capacitor may also be connected to an input end of the non-contact KEY chip U2 through a resistor, for example, the capacitor C2 is connected to a KEY2 end of the non-contact KEY chip U2 through a fourth resistor R2, the capacitor C2 is connected to a KEY2 end of the non-contact KEY chip U2 through a fifth resistor R2, and the output end of the SDA-contact KEY chip IIC 2 (i-SCL chip U-SCL chip h — C — h, IIC-INT terminal) and control circuit 300. It should be understood that each input terminal of the non-contact key chip U2 corresponds to different operation commands, such as turning up, turning down, etc. In this embodiment, only the capacitive-resistive connection when the three input terminals of the non-contact key chip U2 are operated is illustrated. The non-contact key chip U2 in this embodiment is a key chip U2 of model JG916H, and in other embodiments, other types of chips may be used. It is understood that, for example, when a human finger is above the input KEY1 of the non-contact KEY chip U2, the capacitance value of the input KEY1 changes, and the non-contact KEY chip U2 converts the KEY information represented by the input KEY1 into a corresponding electrical signal based on the capacitance difference.

It should be understood that, the non-contact line control device in this embodiment, by adding the first sensing circuit 100, realizes automatic wake-up when a human body approaches, realizes control over the controlled device 10 when a human body approaches, saves energy, and improves user experience.

It should be understood that the transmission circuit 400 may be formed by a chip for signal conversion and transmission, and the transmission circuit 400 includes one or more of an RS485 chip, a serial port chip, and a UART chip. It should be understood that the transmission circuit 400 can be used to convert the control signal of the control circuit 300 into a signal type that can be received by the controlled device 10, for example, when the interface of the controlled device 10 is an RS485 interface, the transmission circuit 400 includes an RS485 chip, and the RS485 chip converts the control signal into an RS485 signal type and outputs the RS485 signal type to the controlled device 10.

It should be understood that the control circuit 300 may be formed by a microprocessor, such as a single chip microcomputer of the type R7F0C003M2DFB, or of the type R7F0C004M2 DF.

In the contactless line control device in this embodiment, by adding the first sensing circuit 100, the second sensing circuit 200, the control circuit 300, and the transmission circuit 400, the control circuit 300 is triggered to start when a preset biological feature is detected, and the second sensing circuit 200 and the control circuit 300 convert an electric signal generated based on the sensing of a grounded object close to the corresponding position of the second sensing circuit 200 into a control signal for the controlled device 10, and transmit the control signal to each controlled device 10 through the transmission circuit 400, thereby implementing contactless control over each controlled device 10, and solving the problems of high security risk and poor user experience of the conventional control device for the controlled device 10.

Referring to fig. 3, in an embodiment, the wireless communication circuit 500 is further included, the wireless communication circuit 500 is connected to the control circuit 300, and the wireless communication circuit 500 is configured to generate an electrical signal according to the wireless control signal and output the electrical signal to the control circuit 300 when the wireless control signal is accessed.

It can be understood that the wireless control signal can be a wireless control signal sent by an upper computer, and the upper computer can be a mobile phone client APP, a computer terminal, a cloud server and the like.

It is understood that the wireless communication circuit 500 may also be connected to the controlled device 10 in a wireless communication manner, that is, the wireless control signal received by the wireless communication circuit 500 may be transmitted to the wireless receiving end of the controlled device 10.

Optionally, the wireless communication circuit 500 includes one or more of a WIFI chip U1, a bluetooth chip, and a radio frequency chip. Referring to fig. 4, in an embodiment, the wireless communication circuit 500 includes a WIFI chip U1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first switch Q1, a first diode D1, a second diode D2, a first resistor R1, a second resistor R2, and a third resistor R3, a first power end of the WIFI chip U1 is connected to the first power supply, the first capacitor C1 and the second capacitor C1 are connected to a first power end VCC of the WIFI chip U1, a second power end 3V 1 of the WIFI chip U1 is connected to the second power supply, the third capacitor C1 and the fourth capacitor C1 are connected to a second power end 3V 1 of the WIFI chip U1, a signal output end U1 1 of the WIFI chip U1 is connected to the control circuit 300, a signal output end U1 of the WIFI chip U1 is connected to the first power end 3V 1 of the WIFI chip U1, the first resistor R1 is connected to the first end of the first switch R1, the control end of the first switch tube Q1 is connected with the first end of the second resistor R2, the output end of the first switch tube Q1 is connected with the first end of the third resistor R3 and the negative electrode of the second diode D2, the output end of the first switch tube Q1 is connected with the control circuit 300, the second end of the third resistor R3 is connected with the first power supply, the positive electrode of the second diode D2 is connected with the positive electrode of the first diode D1, and the negative electrode of the first diode D1 is connected with the signal output end U1TX of the WIFI chip U1.

Referring to fig. 5, in an embodiment, the apparatus further includes an indication circuit 600, the indication circuit 600 is connected to the control circuit 300, and the indication circuit 600 is used for indicating an operating state of the control circuit 300. The operating state of the control circuit 300 includes a power-on state, a power-off state, and the like. The indicating circuit 600 may be formed by a controllable switch and an LED lamp, and the controllable switch receives the high and low levels of the control circuit 300 to control the on and off of the LED lamp to indicate the operating state of the control circuit 300.

Optionally, referring to fig. 6, in an embodiment, the indicating circuit 600 includes an LED string DS1, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a second switch Q2, a third switch Q3, an eleventh capacitor C11, and a twelfth capacitor C12, a first end of the thirteenth resistor R13 and a first end of the fourteenth resistor R14, a first end of the eleventh capacitor C11, and a first end of the twelfth capacitor C12 are connected to the first power supply, a second end of the eleventh capacitor C11 and a second end of the twelfth capacitor C12 are grounded, a second end of the thirteenth resistor R13 and a second end of the fourteenth resistor R14 are connected to an anode of the LED string DS1, a cathode of the LED string DS1 is connected to an input end of the second switch Q2, a control end of the second switch Q2 and an input end of the third switch Q3, and a second end of the twelfth resistor R12 and a control circuit 300 are connected to the twelfth resistor R12, the output end of the second switch tube Q2, the control end of the third switch tube Q3 and the first end of the eleventh resistor R11 are connected, the second end of the eleventh resistor R11 is grounded, and the output end of the third switch tube Q3 is grounded.

Referring to fig. 5, in an embodiment, the power supply circuit 700 is further included, and the power supply circuit 700 is used for connecting an external power supply and converting a voltage of the power supply into a working voltage.

It should be understood that the power supply circuit 700 may be constructed using a voltage regulator, a voltage conversion chip, or the like. The first power supply and the second power supply described above may be provided by the power supply circuit 700.

Optionally, the device further includes a display circuit, the display circuit is connected to the control circuit 300 and is used for displaying the control of the controlled device 10 by the control circuit 300, the state of the controlled device 10, and the like, and the display circuit may be formed by a liquid crystal display.

Referring to fig. 7, a second aspect of the present embodiment provides a non-contact air-conditioning drive-by-wire system, including: at least one air conditioner body 10, an upper computer 30 and the contactless drive-by-wire device 20 according to the first aspect of the present embodiment, the upper computer 30 is connected to the contactless drive-by-wire device 20 in a communication manner, and each air conditioner body 10 is connected to the transmission circuit 400. It should be understood that the air conditioner body 10 and the controlled device 10 may be the same device.

The non-contact air conditioner drive-by-wire system in this embodiment, through having added the computer 30 and the non-contact drive-by-wire device 20 like the first aspect of this embodiment, when having realized the non-contact control to a plurality of air conditioner bodies 10, still realized the remote control to each air conditioner body 10, thereby the controller can utilize the host computer 30 to realize the remote accurate control or operations such as temperature regulation to air conditioner body 10 in the control room improve efficiency, the energy saving, the direct contact to air conditioner body 10 has also been avoided simultaneously, thereby the risk of cross infection has been avoided.

Referring to fig. 7, in an embodiment, the upper computer 30 includes one or more of a mobile phone client 302, a computer 303, and a cloud server 301, wherein the mobile phone client 302 and the cloud server 301 can establish a communication connection.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A contactless wire control apparatus characterized by comprising:

2. The contactless wire control device according to claim 1, wherein the first sensing circuit includes an infrared receiving tube, an output end of the infrared receiving tube is connected to the control circuit, and the infrared receiving tube is configured to detect infrared rays having a predetermined wavelength and generate the trigger signal.

3. The contactless wire control device according to claim 1, wherein the second sensing circuit includes a contactless key chip and a plurality of capacitive sensing elements, each of the capacitive sensing elements is connected to a respective input terminal of the contactless key chip in a one-to-one correspondence, and an output terminal of the contactless key chip is connected to the control circuit.

4. The contactless line control apparatus according to claim 1, wherein the transmission circuit includes one or more of an RS485 chip, a serial port chip, and a UART chip.

5. The contactless line control apparatus according to claim 1, further comprising a wireless communication circuit connected to the control circuit, the wireless communication circuit being configured to generate an electric signal from a wireless control signal and output the electric signal to the control circuit when the wireless control signal is accessed.

6. The contactless drive-by-wire apparatus of claim 5, wherein the wireless communication circuit comprises one or more of a WIFI chip, a Bluetooth chip, and a radio frequency chip.

7. The contactless line control apparatus according to any one of claims 1 to 6, further comprising an indication circuit connected to the control circuit, the indication circuit being configured to indicate an operating state of the control circuit.

8. The contactless line control device according to claim 1, further comprising a power supply circuit for externally connecting a power supply and converting a voltage of the power supply into an operating voltage.

9. A non-contact air conditioner drive-by-wire system, comprising:

at least one air conditioner body;

an upper computer; and

the contactless line control device according to any one of claims 1 to 8, wherein the upper computer is in communication connection with the contactless line control device, and each of the air conditioner bodies is connected to the transmission circuit.

10. The system according to claim 9, wherein the upper computer comprises one or more of a mobile phone client, a computer, and a cloud server.