Auxiliary instrument touch drawer control circuit

Abstract

The utility model discloses an auxiliary instrument touch drawer control circuit, comprising a power supply module used for supplying power to the whole control circuit; the touch receiving module is used for receiving a touch signal; the main control module is used for receiving the signal and sending the signal after processing; the vibration motor driving module is used for driving a vibration motor; the touch signal feedback module is used for confirming a key trigger signal; the main control module is electrically connected with the power supply module, the touch receiving module, the vibration motor driving module and the touch signal feedback module respectively. The auxiliary instrument touch drawer control circuit is simple in structure and convenient to use, the touch receiving module, the main control module, the vibration motor driving module and the touch signal feedback module are arranged in a matched mode, touch control signals are collected, the touch signals are fed back, meanwhile, the vibration motor is controlled to enable, and 0.5 S vibration touch sense is fed back.

Description

Technical Field

[0001] The utility model relates to the technical field of control circuits, in particular to a control circuit for a secondary instrument touch drawer. Background Art

[0002] In the prior art, there is a touch unlocking method, but since there is no feedback, the user often does not know whether the designated position is touched, which may lead to multiple unlockings and affect the service life.

[0003] Based on the above situation, the utility model proposes a secondary instrument touch drawer control circuit, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sub-instrument touch drawer control circuit. The sub-instrument touch drawer control circuit of the utility model has a simple structure and is easy to use. Through the coordinated setting between the touch receiving module, the main control module, the vibration motor driving module and the touch signal feedback module, the touch signal collection and feedback are realized, and the vibration motor is controlled to enable and feedback the vibration tactile sensation of 0.5S, which greatly increases the service life of the product and the user experience.

[0005] The utility model is realized by the following technical solutions:

[0006] A secondary instrument touch drawer control circuit, comprising:

[0007] Power module, used to supply power to the entire control circuit;

[0008] A touch receiving module, used for receiving touch signals;

[0009] The main control module is used to receive signals and send them after processing;

[0010] A vibration motor driving module, used for driving the vibration motor;

[0011] Touch signal feedback module, used to confirm the key trigger signal;

[0012] Wherein, the main control module is electrically connected to the power module, the touch receiving module, the vibration motor driving module, and the touch signal feedback module respectively.

[0013] The purpose of the utility model is to provide a sub-instrument touch drawer control circuit. The sub-instrument touch drawer control circuit of the utility model has a simple structure and is easy to use. Through the coordinated setting between the touch receiving module, the main control module, the vibration motor driving module and the touch signal feedback module, the touch signal collection and feedback are realized, and the vibration motor is controlled to enable and feedback the vibration tactile sensation of 0.5S, which greatly increases the service life of the product and the user experience.

[0014] Preferably, the touch receiving module includes a touch panel FPC, a TVS diode T1, an inductor L1, a first capacitor C1, and a first resistor R1. Pin 1 of the touch panel FPC is electrically connected to pin 2 of the touch panel FPC, pin 1 of the TVS diode T1, one end of the first capacitor C1, and one end of the inductor L1, respectively. The other end of the first capacitor C1 is electrically connected to pin 2 of the TVS diode T1, and the other end of the inductor L1 is electrically connected to the first resistor R1.

[0015] Preferably, the main control module includes a main control chip U1, a second capacitor C2, and a third capacitor C3, the PA8 pin of the main control chip U1 is electrically connected to the second capacitor C2, and the VS pin of the main control chip U1 is electrically connected to the third capacitor C3.

[0016] Preferably, the vibration motor driving module includes a driving chip U2, a connector P1, a first NPN transistor Q1, a first diode D1, a second diode D2, a third diode D3, a fourth capacitor C4, a fifth capacitor C5, a second resistor R2, and a third resistor R3. The GND pin of the driving chip U2 is electrically connected to one end of the fourth capacitor C4 and one end of the fifth capacitor C5, respectively. The VOUT pin of the driving chip U2 is electrically connected to the other end of the fourth capacitor C4, the other end of the fifth capacitor C5, and the positive electrode of the first diode D1. The cathode of the first diode D1 is electrically connected to the cathode of the second diode D2 and pin 1 of the connector P1, the anode of the second diode D2 is electrically connected to the collector of the first NPN transistor Q1, pin 2 of the connector P1, and the cathode of the third diode D3, the emitter of the first NPN transistor Q1 is electrically connected to one end of the third resistor R3 and the anode of the third diode D3, and the base of the first NPN transistor Q1 is electrically connected to the other end of the third resistor R3 and the second resistor R2.

[0017] Preferably, the touch signal feedback module includes a second NPN transistor Q2, a fourth diode D4, a sixth capacitor C6, a fourth resistor R4, a fifth resistor R5, and a sixth resistor R6, the collector of the second NPN transistor Q2 is electrically connected to one end of the sixth resistor R6, the other end of the sixth resistor R6 is respectively electrically connected to the negative electrode of the fourth diode D4 and one end of the sixth capacitor C6, the other end of the sixth capacitor C6 is respectively electrically connected to the positive electrode of the fourth diode D4, the emitter of the second NPN transistor Q2, and one end of the fifth resistor R5, and the base of the second NPN transistor Q2 is respectively electrically connected to the other end of the fifth resistor R5 and the fourth resistor R4.

[0018] Preferably, the model of the main control chip U1 is TCAE12A.

[0019] Preferably, the model of the driving chip U2 is ICW1238-Q1.

[0020] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0021] The auxiliary instrument touch drawer control circuit of the utility model has a simple structure and is easy to use. Through the coordinated setting of the touch receiving module, the main control module, the vibration motor driving module and the touch signal feedback module, the touch signal is collected and the touch signal is fed back. At the same time, the vibration motor is controlled to enable and feedback is given of a vibration tactile sensation of 0.5S, which greatly increases the service life of the product and the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic block diagram of the circuit of the utility model;

[0023] Figure 2 This is a circuit schematic diagram of the touch receiving module of the utility model;

[0024] Figure 3 This is a circuit schematic diagram of the main control module of the utility model;

[0025] Figure 4 This is a circuit schematic diagram of the vibration motor drive module of the utility model;

[0026] Figure 5 This is a circuit schematic diagram of the touch signal feedback module of the present invention. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0028] The technical features such as the power module described in the utility model (the constituent units / elements of the utility model), unless otherwise specified, are obtained from conventional commercial channels or manufactured by conventional methods. Their specific structures, working principles, and possible control methods and spatial layout methods can be selected conventionally in the art and should not be regarded as the innovative points of the utility model. For those skilled in the art, it is understandable that the utility model patent will not be further elaborated.

[0029] Embodiment 1:

[0030] like Figures 1 to 5 As shown, the utility model provides a secondary instrument touch drawer control circuit, comprising:

[0031] Power module 1, used to supply power to the entire control circuit;

[0032] A touch receiving module 2, used for receiving touch signals;

[0033] The main control module 3 is used to receive signals and send them after processing;

[0034] A vibration motor driving module 4, used for driving the vibration motor;

[0035] Touch signal feedback module 5, used to confirm the key trigger signal;

[0036] The main control module 3 is electrically connected to the power module 1 , the touch receiving module 2 , the vibration motor driving module 4 , and the touch signal feedback module 5 , respectively.

[0037] Embodiment 2:

[0038] like Figures 1 to 5 As shown, the utility model provides a secondary instrument touch drawer control circuit, comprising:

[0039] Power module 1, used to supply power to the entire control circuit;

[0040] A touch receiving module 2, used for receiving touch signals;

[0041] The main control module 3 is used to receive signals and send them after processing;

[0042] A vibration motor driving module 4, used for driving the vibration motor;

[0043] Touch signal feedback module 5, used to confirm the key trigger signal;

[0044] The main control module 3 is electrically connected to the power module 1 , the touch receiving module 2 , the vibration motor driving module 4 , and the touch signal feedback module 5 , respectively.

[0045] The touch receiving module 2 includes a touch panel FPC, a TVS diode T1, an inductor L1, a first capacitor C1, and a first resistor R1. Pin 1 of the touch panel FPC is electrically connected to pin 2 of the touch panel FPC, pin 1 of the TVS diode T1, one end of the first capacitor C1, and one end of the inductor L1. The other end of the first capacitor C1 is electrically connected to pin 2 of the TVS diode T1, and the other end of the inductor L1 is electrically connected to the first resistor R1.

[0046] The FPC soft board design and 1mm grid paving are more conducive to the collection of touch signals. The bottom adhesive uses high-temperature resistant 3M adhesive. The corresponding structure during installation is beneficial to the stability and reliability of the product. The touch receiving circuit part adopts inductor L1 and TVS tube design to increase the anti-interference ability of the circuit.

[0047] Furthermore, in another embodiment, the main control module 3 includes a main control chip U1, a second capacitor C2, and a third capacitor C3, the PA8 pin of the main control chip U1 is electrically connected to the second capacitor C2, and the VS pin of the main control chip U1 is electrically connected to the third capacitor C3.

[0048] The main control chip U1 uses TCAE12, which is a product with both functions and performance. Based on the ARM Cortex-M0 core, the TinyTouch touch detection module supports up to 10 capacitive touch channels. One detection channel is enabled to detect the capacitance change on the touch film to determine whether someone presses it, and feedback the touch signal and enable the vibration motor.

[0049] Further, in another embodiment, the vibration motor driving module 4 includes a driving chip U2, a connector P1, a first NPN transistor Q1, a first diode D1, a second diode D2, a third diode D3, a fourth capacitor C4, a fifth capacitor C5, a second resistor R2, and a third resistor R3. The GND pin of the driving chip U2 is electrically connected to one end of the fourth capacitor C4 and one end of the fifth capacitor C5, respectively. The VOUT pin of the driving chip U2 is electrically connected to the other end of the fourth capacitor C4, the other end of the fifth capacitor C5, the first diode D1, and the fifth capacitor C5. The positive electrode of the first diode D1 is electrically connected to the negative electrode of the second diode D2 and pin 1 of the connector P1, the positive electrode of the second diode D2 is electrically connected to the collector of the first NPN transistor Q1, pin 2 of the connector P1, and the negative electrode of the third diode D3, the emitter of the first NPN transistor Q1 is electrically connected to one end of the third resistor R3 and the positive electrode of the third diode D3, and the base of the first NPN transistor Q1 is electrically connected to the other end of the third resistor R3 and the second resistor R2.

[0050] Further, in another embodiment, the touch signal feedback module 5 includes a second NPN transistor Q2, a fourth diode D4, a sixth capacitor C6, a fourth resistor R4, a fifth resistor R5, and a sixth resistor R6, the collector of the second NPN transistor Q2 is electrically connected to one end of the sixth resistor R6, the other end of the sixth resistor R6 is respectively electrically connected to the negative electrode of the fourth diode D4 and one end of the sixth capacitor C6, the other end of the sixth capacitor C6 is respectively electrically connected to the positive electrode of the fourth diode D4, the emitter of the second NPN transistor Q2, and one end of the fifth resistor R5, and the base of the second NPN transistor Q2 is respectively electrically connected to the other end of the fifth resistor R5 and the fourth resistor R4.

[0051] When a touch is recognized, the touch signal feedback pin is set low and the output low level is fed back to the upper level for processing (SRSM).

[0052] Furthermore, in another embodiment, the model of the main control chip U1 is TCAE12A.

[0053] Furthermore, in another embodiment, the model of the driving chip U2 is ICW1238-Q1.

[0054] The working principle of one embodiment of the utility model is as follows:

[0055] A control circuit for a sub-instrument touch drawer, wherein a touch receiving module 2 collects touch signals and feeds back the signals through a touch signal feedback module 5, while a vibration motor driving module 4 controls the vibration motor to enable and feeds back a vibration tactile sensation of 0.5S.

[0056] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the auxiliary instrument touch drawer control circuit of the utility model, and can produce the positive effects recorded in the utility model.

[0057] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0058] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A control circuit for a secondary instrument touch drawer, characterized in that: include: Power module, used to supply power to the entire control circuit; A touch receiving module, used for receiving touch signals; The main control module is used to receive signals and send them after processing; A vibration motor driving module, used for driving the vibration motor; Touch signal feedback module, used to confirm the key trigger signal; Wherein, the main control module is electrically connected to the power module, the touch receiving module, the vibration motor driving module, and the touch signal feedback module respectively.

2. The auxiliary instrument touch drawer control circuit according to claim 1, characterized in that: The touch receiving module includes a touch panel FPC, a TVS diode T1, an inductor L1, a first capacitor C1, and a first resistor R1. Pin 1 of the touch panel FPC is electrically connected to pin 2 of the touch panel FPC, pin 1 of the TVS diode T1, one end of the first capacitor C1, and one end of the inductor L1. The other end of the first capacitor C1 is electrically connected to pin 2 of the TVS diode T1, and the other end of the inductor L1 is electrically connected to the first resistor R1.

3. The auxiliary instrument touch drawer control circuit according to claim 1, characterized in that: The main control module includes a main control chip U1, a second capacitor C2, and a third capacitor C3. The PA8 pin of the main control chip U1 is electrically connected to the second capacitor C2, and the VS pin of the main control chip U1 is electrically connected to the third capacitor C3.

4. The auxiliary instrument touch drawer control circuit according to claim 1, characterized in that: The vibration motor driving module includes a driving chip U2, a connector P1, a first NPN transistor Q1, a first diode D1, a second diode D2, a third diode D3, a fourth capacitor C4, a fifth capacitor C5, a second resistor R2, and a third resistor R3. The GND pin of the driving chip U2 is electrically connected to one end of the fourth capacitor C4 and one end of the fifth capacitor C5, respectively. The VOUT pin of the driving chip U2 is electrically connected to the other end of the fourth capacitor C4, the other end of the fifth capacitor C5, and the positive electrode of the first diode D1. The cathode of the first diode D1 is electrically connected to the cathode of the second diode D2 and pin 1 of the connector P1, the anode of the second diode D2 is electrically connected to the collector of the first NPN transistor Q1, pin 2 of the connector P1, and the cathode of the third diode D3, the emitter of the first NPN transistor Q1 is electrically connected to one end of the third resistor R3 and the anode of the third diode D3, and the base of the first NPN transistor Q1 is electrically connected to the other end of the third resistor R3 and the second resistor R2.

5. The auxiliary instrument touch drawer control circuit according to claim 1, characterized in that: The touch signal feedback module includes a second NPN transistor Q2, a fourth diode D4, a sixth capacitor C6, a fourth resistor R4, a fifth resistor R5, and a sixth resistor R6. The collector of the second NPN transistor Q2 is electrically connected to one end of the sixth resistor R6, and the other end of the sixth resistor R6 is electrically connected to the negative electrode of the fourth diode D4 and one end of the sixth capacitor C6, respectively. The other end of the sixth capacitor C6 is electrically connected to the positive electrode of the fourth diode D4, the emitter of the second NPN transistor Q2, and one end of the fifth resistor R5, respectively. The base of the second NPN transistor Q2 is electrically connected to the other end of the fifth resistor R5 and the fourth resistor R4, respectively.

6. The auxiliary instrument touch drawer control circuit according to claim 3, characterized in that: The model of the main control chip U1 is TCAE12A.

7. The auxiliary instrument touch drawer control circuit according to claim 4, characterized in that: The model of the driver chip U2 is ICW1238-Q1.

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