Touch type controller induction device

Abstract

The utility model relates to the technical field of touch switches, in particular to a touch controller sensing device, which comprises a capacitive touch module, the capacitive touch module comprises a touch sensing electrode and a conducting ring electrically connected with the touch sensing electrode, and the conducting ring is electrically connected with the touch sensing electrode. The capacitive touch module dynamically detects the distributed capacitance variation of the touch sensing electrode amplified by the conducting ring; and the trigger module comprises a register, and the trigger module is electrically connected with the capacitive touch module and is used for generating a corresponding key value according to the distributed capacitance variation, detected by the capacitive touch module, of the touch induction electrode. When a conductor such as a human hand touches the sensing electrode through the isolation medium, the distributed capacitance of the electrode is changed, the capacitance variable quantity is amplified by the conducting ring, difference comparison is generated between the capacitance variable quantity and a non-triggering area and a non-triggering state, and when the difference is large enough, the triggering module generates key pressing actions on the large-difference position and stores the key pressing actions, so that the reliability and the stability of touch are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of touch switches, in particular to a touch-type controller sensing device. Background Art

[0002] Capacitive touch sensing controllers are becoming more and more popular. However, in actual use, there are inevitably defects such as insensitive or abnormal sensing. These problems may lead to a decline in user experience and affect the normal use of the device. Utility Model Content

[0003] To address the deficiencies in the prior art, the utility model provides a touch controller sensing device, comprising a capacitive touch module, the capacitive touch module comprising touch sensing electrodes and a conductive ring electrically connected to the touch sensing electrodes, the capacitive touch module dynamically detecting a change in distributed capacitance of the touch sensing electrodes after being amplified by the conductive ring; a trigger module, the trigger module comprising a register, the trigger module being electrically connected to the capacitive touch module, for generating a corresponding key value according to the change in distributed capacitance of the touch sensing electrodes detected by the capacitive touch module, and storing the key value in the register.

[0004] Preferably, a VCU module is also included, and the VCU module is electrically connected to the register to read the key value in the register.

[0005] Preferably, the capacitive touch module includes a capacitive key chip u3, the capacitive key chip u3 is a BS8116 chip, and the pins K1 to K10 of the capacitive key chip u3 are electrically connected to ten conductive rings respectively.

[0006] Preferably, the trigger module includes a control chip u1, which is an AT32F415CxT7 chip, and pins 41, 42 and 43 of the control chip u1 are electrically connected to pins 14, 17 and 18 of the capacitive key chip u3 in a one-to-one correspondence.

[0007] Preferably, it also includes a transceiver chip u2 for converting the output digital signal into the required physical signal.

[0008] Preferably, the transceiver chip u2 is an IF1051VS chip or an IF1042VS chip, and pins 1 and 4 on the transceiver chip u2 are electrically connected to pins 46 and 45 on the control chip u1, respectively.

[0009] Preferably, it also includes a main body bracket, on which a PCBA board is fixedly mounted, the capacitive touch module, the trigger module and the transceiver chip u2 are all integrated on the PCBA board, a plated decorative ring is fixedly mounted on the main body bracket along the circumferential direction, a touch lens is fixedly mounted on the top of the plated decorative ring, one end of the conductive ring is in contact with the PCBA board, and the other end is in contact with the touch lens, and a lower cover is fixedly mounted on the bottom of the main body bracket.

[0010] The utility model has the following beneficial effects:

[0011] When a conductor such as a human hand touches the sensing electrode through an isolation medium, the distributed capacitance of the electrode will change. The conductive ring amplifies the capacitance change and produces a difference comparison with the non-trigger area and the untriggered state. When the difference is large enough, the trigger module generates a key action for the large difference and saves it, ensuring the reliability and stability of the touch and reducing insensitivity or abnormal sensing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the circuit structure provided by the utility model.

[0013] Figure 2 It is a schematic diagram of the equipment structure provided by the utility model.

[0014] Attached Figure 1-2 The structures represented by the labels are listed below:

[0015] 1. Touch lens; 2. Electroplating decorative ring; 3. Conductive ring; 4. PCBA board; 5. Main bracket; 6. Lower cover. DETAILED DESCRIPTION

[0016] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0017] It should be noted that when a part or component is considered to be "connected", "located", or "assembled" on another part or component, it may be directly disposed on the other part or component or there may be a central part or component at the same time. The terms "left", "right", "upper", "lower" and similar expressions used herein are for illustrative purposes only.

[0018] In a specific embodiment, Figure 1-2 As shown, a touch controller sensing device comprises:

[0019] A capacitive touch module, the capacitive touch module comprising a touch sensing electrode and a conductive ring 3 electrically connected to the touch sensing electrode, the capacitive touch module dynamically detecting a change in the distributed capacitance of the touch sensing electrode after being amplified by the conductive ring 3;

[0020] A trigger module, the trigger module includes a register, the trigger module is electrically connected to the capacitive touch module, and is used to generate a corresponding key value according to the change in distributed capacitance of the touch sensing electrode detected by the capacitive touch module, and store the key value in the register.

[0021] In this embodiment, a VCU module is also included. The VCU module is electrically connected to the register. The VCU module is used to read the key value in the register and control the output device to perform a corresponding operation according to the key value.

[0022] In this embodiment, the capacitive touch module includes a capacitive button chip u3, which is a BS8116 chip. Pins K1-K10 of the capacitive button chip u3 are electrically connected to ten conductive rings 3 respectively to detect the capacitance change after the conductive rings 3 are amplified. Pins k11-K15 of the capacitive button chip u3 are grounded.

[0023] In this embodiment, the trigger module includes a control chip u1, which is an AT32F415CxT7 chip. Pins 41, 42 and 43 of the control chip u1 are electrically connected to pins 14, 17 and 18 of the capacitive key chip u3 in a one-to-one correspondence.

[0024] In this embodiment, a transceiver chip u2 is also included. The transceiver chip u2 is used to convert the output digital signal into the required physical signal, and convert the received physical signal into a digital signal. The transceiver chip u2 is an IF1051VS chip or an IF1042VS chip. Pins 1 and 4 on the transceiver chip u2 are electrically connected to pins 46 and 45 on the control chip u1, respectively.

[0025] The above touch controller sensing device can be further optimized and / or improved according to actual needs:

[0026] like Figure 2 As shown, it also includes a main body bracket 5, on which a PCBA board 4 is fixedly installed, the capacitive touch module, the trigger module and the transceiver chip u2 are all integrated on the PCBA board 4, a plated decorative ring 2 is fixedly installed circumferentially on the main body bracket 5, a touch lens is fixedly installed on the top of the plated decorative ring 2, one end of the conductive ring 3 is in contact with the PCBA board 4, and the other end is in contact with the touch lens 1, and a lower cover 6 is fixedly installed on the bottom of the main body bracket 5.

[0027] In summary: when a conductor such as a human hand touches the sensing electrode through an isolation medium, the distributed capacitance of the electrode will change, and the conductive ring 3 will amplify the capacitance change and produce a difference comparison with the non-trigger area and the non-trigger state. When the difference is large enough, the trigger module will generate a key action for the large difference and save it, thereby ensuring the reliability and stability of the touch and reducing insensitivity or abnormal sensing.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A touch controller sensing device, characterized in that: include: A capacitive touch module, the capacitive touch module comprising a touch sensing electrode and a conductive ring (3) electrically connected to the touch sensing electrode, the capacitive touch module dynamically detecting a change in the distributed capacitance of the touch sensing electrode after being amplified by the conductive ring (3); A trigger module, the trigger module includes a register, the trigger module is electrically connected to the capacitive touch module, and is used to generate a corresponding key value according to the change in distributed capacitance of the touch sensing electrode detected by the capacitive touch module, and store the key value in the register.

2. A touch controller sensing device according to claim 1, characterized in that: It also includes a VCU module, which is electrically connected to the register to read the key value in the register.

3. A touch controller sensing device according to claim 1, characterized in that: The capacitive touch module comprises a capacitive key chip u3, which is a BS8116 chip. Pins K1 to K10 of the capacitive key chip u3 are electrically connected to ten conductive rings (3) respectively.

4. A touch controller sensing device according to claim 3, characterized in that: The trigger module includes a control chip u1, which is an AT32F415CxT7 chip. Pins 41, 42 and 43 of the control chip u1 are electrically connected to pins 14, 17 and 18 of the capacitive key chip u3 in a one-to-one correspondence.

5. A touch controller sensing device according to claim 4, characterized in that: It also includes a transceiver chip u2, which is used to convert the output digital signal into the required physical signal.

6. A touch controller sensing device according to claim 5, characterized in that: The transceiver chip u2 is an IF1051VS chip or an IF1042VS chip, and pins 1 and 4 on the transceiver chip u2 are electrically connected to pins 46 and 45 on the control chip u1 respectively.

7. A touch controller sensing device according to claim 1, characterized in that: It also includes a main frame (5), on which a PCBA board (4) is fixedly mounted, the capacitive touch module, the trigger module and the transceiver chip u2 are all integrated on the PCBA board (4), a plated decorative ring (2) is fixedly mounted on the main frame (5) along the circumferential direction, a touch lens is fixedly mounted on the top of the plated decorative ring (2), one end of the conductive ring (3) is in contact with the PCBA board (4), and the other end is in contact with the touch lens (1), and a lower cover (6) is fixedly mounted on the bottom of the main frame (5).

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