Touch type circuit structure based on electrical relay

Abstract

The utility model relates to a touch type circuit structure based on an electrician relay, which comprises a main control module, a power supply module, a metering module, a relay driving module, a touch module, a display and a memory, wherein the power supply module, the metering module and the relay driving module are electrically connected with the main control module; according to the utility model, the touch spring is arranged below the button area of the touch screen or the PET panel, when a human body touches the button area, the touch chip senses and sends a signal to the main control module, and the main control module gives an instruction of opening or closing a load end to the relay driving module, so as to control the contact separation or pull-in action of the relay. Due to the fact that the touch circuit is designed to be of a totally-closed structure, the touch control relay is waterproof and moisture-proof, and normal operation of the touch control relay is prevented from being affected by permeation of external liquid media.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit technology, and in particular to a touch-type circuit structure based on an electrical relay. Background Art

[0002] A relay is an electrical accessory used to cause a predetermined step change in the controlled quantity in an electrical output circuit. It consists of copper contacts, a corresponding electromagnet, and a reset spring. The contacts are closed by controlling the on / off state of the electromagnet coil circuit, and reset by the reset spring. It often performs functions such as automatic regulation, safety protection, and circuit conversion in control circuits. Traditional circuit control uses mechanical switches, and when external liquids penetrate the mechanical switches, they are prone to misoperation, electric shock, and leakage. Summary of the Invention

[0003] In order to overcome the shortcomings of the background technology, the technical solution adopted by the present invention is: a touch circuit structure based on electrical relays, including a main control module, and a power supply module, a metering module and a relay drive module electrically connected to the main control module, and also including a touch module, a display and a storage. The main control module is respectively provided with a touch communication terminal, a TFT communication terminal and a FLASH communication terminal electrically connected to the touch module, the display and the storage. The touch module is provided with a touch spring for triggering and a touch chip for transmitting signals, and the power supply module is electrically connected to the touch chip and provides power for it.

[0004] Using the above technical solution, the power supply module is equipped with a DC voltage regulator, which provides power to the main control module, metering module, relay drive module, and touch module respectively. The touch spring is placed under the button area of ​​the touch screen or PET panel. When the human body touches the button area, the touch chip senses and sends a signal to the main control module. The main control module gives the relay drive module an instruction to disconnect or close the load end, controls the separation or attraction of the relay contacts, thereby achieving the effect of touch-controlled relay switching. The touch circuit adopts a fully enclosed structure design with waterproof and moisture-proof properties to prevent the normal operation of the circuit from being affected by the infiltration of external liquid media.

[0005] The utility model is further configured such that the relay drive module is provided with contacts for externally connecting a load circuit, an electromagnet for attracting the contacts, and a drive chip for controlling the operation of the electromagnet.

[0006] Furthermore, the driver chip is provided with a power supply terminal A for electrically connecting to the power supply module, an input terminal A for receiving a signal from the main control module, and an output terminal A for an external coil.

[0007] Using the above technical solution, pins 2 and 5 of the driver chip are electrically connected to the power terminal A of the power supply module, pins 3 and 6 are electrically connected to the input terminal A of the main control module, and pins 1 and 4 are the output terminal A that controls the power supply of the electromagnet. When the output terminal A is powered, the contacts of the relay are attracted by the action of the electromagnet, and the internal reset spring is compressed. When the output terminal A is powered off, the reset spring controls the contacts to reset and disconnect.

[0008] The present invention is further configured such that the touch chip is provided with an inductive capacitor, a power supply terminal B, an input terminal B and an output terminal B; the power supply module is electrically connected to the inductive capacitor and the power supply terminal B respectively; and the touch chip is electrically connected to a touch spring and a main control module through the input terminal B and the output terminal B respectively.

[0009] Using the above technical solution, pins 2 and 5 of the touch chip are electrically connected to the power supply terminal B of the power supply module, and the sensing capacitor is electrically connected between pins 2 and 6, pin 3 is electrically connected to the input terminal B of the touch spring, and pin 1 is electrically connected to the output terminal B of the main control module. When the human body touches the touch spring, the capacitance value of the sensing capacitor changes. After the touch chip detects the change in capacitance value, it gives the main control module a signal of the trigger condition.

[0010] The utility model is further configured such that the metering module includes a current and voltage collector and a metering chip, the metering chip is provided with a power supply terminal C for electrically connecting to the power supply module, an input terminal C for electrically connecting to the current and voltage collector, and an output terminal C for electrically connecting to the main control module.

[0011] Using the above technical solution, pins 1 and 5 of the metering chip are electrically connected to the power terminal C of the power supply module, pins 9 and 10 are electrically connected to the output terminal C of the main control module, and pins 2, 3, and 4 are input terminals C, of ​​which pins 2 and 3 are current channel analog inputs, and pin 4 is a voltage signal input.

[0012] The present invention is further configured to further include a wireless module, and the main control module is provided with a wireless communication terminal for externally connecting to the wireless module.

[0013] By adopting the above technical solution, the wireless module is a WiFi module, a Bluetooth module, or a 485 communication module, etc., which can realize remote control of the relay, remote viewing of data and message push, and improve the intelligent application of the equipment.

[0014] The present invention is further configured to further include a buzzer, and the main control module is provided with a buzzer communication terminal for externally connecting to the buzzer.

[0015] By adopting the above technical solution, the buzzer is used to prompt when the relay state changes, and to alarm when a circuit fault occurs.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The touch spring is placed under the button area of ​​the touch screen or PET panel. When the human body touches the button area, the touch chip senses it and sends a signal to the main control module. The main control module gives the relay driver module an instruction to open or close the load end, controlling the separation or attraction of the relay contacts, thereby achieving the effect of touch-controlled relay switching. The touch circuit adopts a fully enclosed structure design with waterproof and moisture-proof properties to prevent the normal operation of the circuit from being affected by the infiltration of external liquid media.

[0018] The embodiments of the present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the circuit diagram of the present utility model;

[0020] Figure 2 This is a structural diagram of the main control module of the utility model

[0021] Figure 3 This is a schematic diagram of the structure of the metering module circuit diagram of the present utility model;

[0022] Figure 4 This is a schematic structural diagram of the relay drive module circuit diagram of the present utility model;

[0023] Figure 5 This is a schematic structural diagram of the touch module circuit diagram of the present utility model;

[0024] Among them: 1 - main control module, 2 - power supply module, 3 - metering module, 4 - relay drive module, 5 - touch module, 6 - display, 7 - storage, 8 - wireless module, 9 - buzzer, 10 - voltage regulator, 11 - touch communication terminal, 12 - TFT communication terminal, 13 - FLASH communication terminal, 14 - wireless communication terminal, 15 - buzzer communication terminal, 31 - current and voltage collector, 32 - metering chip, 33 - power terminal C, 34 - input terminal C, 35 - output terminal C, 41 - contact, 42 - electromagnet, 43 - drive chip, 51 - touch spring, 52 - touch chip, 53 - induction capacitor, 54 - power terminal B, 55 - input terminal B, 56 - output terminal B; DETAILED DESCRIPTION

[0025] Combine Figure 1 、 2As shown, this embodiment provides a touch circuit structure based on an electrical relay, including a main control module 1, a power supply module 2, a metering module 3 and a relay drive module 4 electrically connected to the main control module 1, and also includes a touch module 5, a display 6, a storage 7, a wireless module 8 and a buzzer 9. The main control module 1 is respectively provided with a touch communication terminal 11, a TFT communication terminal 12, a FLASH communication terminal 13, a wireless communication terminal 14 and a buzzer communication terminal 15 electrically connected to the touch module 5, the display 6, the storage 7, the wireless module 8 and the buzzer 9. The touch module 5 is provided with a touch spring 51 for triggering , and a touch chip 52 for transmitting signals, and the power supply module 2 is electrically connected to the touch chip 52 and provides power for it, wherein the metering module 3 is used to read power parameters such as input voltage and output current, the display 6 is used to push weather conditions, temperature and humidity and power consumption parameters of the load end, the storage 7 is used to store image data required by the display 6, the buzzer 9 is used to prompt when the relay state changes, and circuit fault alarm, etc. The wireless module 8 is a WiFi module or a Bluetooth module or a 485 communication module, etc., to realize remote control of the relay, remote viewing of data and message push, thereby improving the intelligent application of the equipment.

[0026] Combine Figure 3 As shown, in this embodiment, the metering module 3 includes a current and voltage collector 31 and a metering chip 32. Pins 1 and 5 of the metering chip 32 are electrically connected to the power supply terminal C33 of the power supply module 2, pins 2, 3, and 4 are input terminals C34, and pins 2 and 3 are current channel analog inputs, pin 4 is a voltage signal input, and pins 9 and 10 are electrically connected to the output terminal C35 of the main control module 1.

[0027] Combine Figure 4 As shown, in this embodiment, the relay drive module 4 is provided with a contact 41 for an external load circuit, an electromagnet 42 for attracting the contact 41, and a drive chip 43 for controlling the operation of the electromagnet 42. Pins 2 and 5 of the drive chip 43 are electrically connected to the power supply terminal A44 of the power supply module 2, pins 3 and 6 are electrically connected to the input terminal A45 of the main control module 1, and pins 1 and 4 are output terminals A46 for controlling the power supply of the electromagnet 42. When the output terminal A46 controls the power supply of the coil of the electromagnet, the contact 41 of the relay is attracted by the magnetic force of the electromagnet 42, and the internal reset spring is compressed. When the output terminal A46 is powered off, the reset spring controls the contact 41 to reset and disconnect.

[0028] Combine Figure 5As shown, in this embodiment, the touch chip 52 is provided with an inductive capacitor 53, a power supply terminal B54, an input terminal B55 and an output terminal B56. Pins 2 and 5 of the touch chip 52 are electrically connected to the power supply terminal B54 of the power supply module 2, and the inductive capacitor 53 is electrically connected between pins 2 and 6. Pin 3 is electrically connected to the input terminal B55 of the touch spring 51, and pin 1 is electrically connected to the output terminal B56 of the main control module 1. When the human body touches the contact spring, the capacitance value of the inductive capacitor 53 changes. After the touch chip 52 detects the change in capacitance value, it gives the main control module 1 a trigger condition signal.

[0029] The working principle of the present invention is that the main control module 1 is an MCU control unit, and the power supply module 2 is provided with a stabilized power supply 10, which provides stable voltage to the MCU control unit, the metering chip 32, the driver chip 43, and the touch chip 52 respectively. The touch spring 51 is placed under the button area of ​​the touch screen or PET panel. When the human body touches the button area, the touch chip 52 senses and sends a signal to the MCU control unit. The MCU control unit gives the relay driver module 4 an instruction to open or close the load end, controls the electromagnet 42 of the relay to work, thereby controlling the contact 41 of the relay to separate or close, and realizes the effect of remote touch control of the relay on and off.

[0030] In addition to the above embodiments, the present invention may also have other implementation methods. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A touch-type circuit structure based on an electrical relay, comprising a main control module (1), a power supply module (2), a metering module (3) and a relay drive module (4) electrically connected to the main control module (1), characterized in that: The invention also includes a touch module (5), a display (6) and a storage (7); the main control module (1) is provided with a touch communication terminal (11), a TFT communication terminal (12) and a FLASH communication terminal (13) electrically connected to the touch module (5), the display (6) and the storage (7); the touch module (5) is provided with a touch spring (51) for triggering and a touch chip (52) for transmitting signals; and the power supply module (2) is electrically connected to the touch chip (52) and provides power to it.

2. The touch-type circuit structure based on an electrical relay according to claim 1, characterized in that: The relay drive module (4) is provided with a contact (41) for connecting an external load circuit, an electromagnet (42) for attracting the contact (41), and a drive chip (43) for controlling the operation of the electromagnet (42).

3. The touch-type circuit structure based on an electrical relay according to claim 2, characterized in that: The driving chip (43) is provided with a power supply terminal A (44) for electrically connecting to the power supply module (2), an input terminal A (45) for receiving a signal from the main control module (1), and an output terminal A (46) for connecting to an external coil.

4. The touch-type circuit structure based on an electrical relay according to claim 1, characterized in that: The touch chip (52) is provided with an inductive capacitor (53), a power supply terminal B (54), an input terminal B (55) and an output terminal B (56); the power supply module (2) is electrically connected to the inductive capacitor (53) and the power supply terminal B (54), respectively; and the touch chip (52) is electrically connected to a touch spring (51) and a main control module (1) via the input terminal B (55) and the output terminal B (56).

5. The touch-type circuit structure based on an electrical relay according to claim 1, characterized in that: The metering module (3) comprises a current and voltage collector (31) and a metering chip (32); the metering chip (32) is provided with a power supply terminal C (33) for electrically connecting to the power supply module (2), an input terminal C (34) for electrically connecting to the current and voltage collector (31), and an output terminal C (35) for electrically connecting to the main control module (1).

6. The touch-type circuit structure based on an electrical relay according to claim 1, characterized in that: It also includes a wireless module (8), and the main control module (1) is provided with a wireless communication terminal (14) for externally connecting to the wireless module (8).

7. The touch-type circuit structure based on an electrical relay according to claim 1, characterized in that: A buzzer (9) is also included, and the main control module (1) is provided with a buzzer communication terminal (15) for externally connecting to the buzzer (9).

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