Key striking device with controllable force

Abstract

The invention relates to a force-controllable key striking device which comprises a base and a striking device body, the striking device body comprises a moving assembly, a driver, a striking head, a pressure sensor used for obtaining the pressure value of the striking head and a photoelectric switch sensor used for obtaining the moving distance of the striking head, and the moving assembly and the driver are arranged on the base. A telescopic shaft of the driver is connected with the moving assembly, the pressure sensor is arranged on the moving assembly, the striking head is arranged on the side, away from the driver, of the pressure sensor, and the driver, the pressure sensor and the photoelectric switch inductor are all electrically connected with the pressure adjusting device. According to the invention, accurate, stable and safe product pressure testing can be realized.

Description

Technical Field

[0001] This invention relates to a key striking device with controllable force, belonging to the field of electronic testing. Background Technology

[0002] In industrial production, many precision devices require pressure control and monitoring for relevant pressure tests, such as interference force testing of automobiles, motorcycles, motors, and electronic products, as well as button testing of electronic products, to ensure product safety and stability. However, most pressure controllers on the market are large in size and expensive, and require specific sensors, resulting in a lot of product bundling. Different products need to be equipped with different range detection devices, making the applicability of pressure controllers relatively low. Summary of the Invention

[0003] This invention provides a button-pressing device with controllable force, aiming to solve at least one of the technical problems existing in the prior art. Therefore, this invention proposes a button-pressing device with controllable force, which is beneficial for achieving accurate, stable, and safe product pressure testing.

[0004] The present invention relates, in one aspect, to a key striking device, comprising: a base and a striking device, the striking device including a moving component, a driver, a striking head, a pressure sensor for acquiring the pressure value of the striking head, and a photoelectric switch sensor for acquiring the moving distance of the striking head; the moving component and the driver are disposed on the base, the telescopic shaft of the driver is connected to the moving component, the pressure sensor is disposed on the moving component, and the striking head is disposed on the side of the pressure sensor opposite to the driver; wherein, the driver, the pressure sensor, and the photoelectric switch sensor are all electrically connected to a pressure regulating device.

[0005] Furthermore, the movable component includes a movable mounting block, the pressure sensor is disposed on the side of the mounting block opposite to the base, and the telescopic end of the actuator passes through the mounting block.

[0006] Furthermore, the photoelectric switch sensor includes a sensing block and a sensing sheet. The sensing block is disposed on the base, one end of the sensing sheet is disposed in the sensing block, and the other end of the sensing sheet is fixedly connected to the mounting block.

[0007] Furthermore, the detection device is provided with a sensing groove, and one end of the sensing sheet is movably inserted into the sensing groove.

[0008] Furthermore, the striking head is connected to the pressure sensor via a compression spring.

[0009] Furthermore, the moving component also includes a slide rail and a slider, the slide rail being disposed on the base, the slider being movably disposed on the slide rail, and the mounting block being disposed on the slider.

[0010] Furthermore, a rubber head is connected to the side of the striking head opposite to the pressure sensor.

[0011] Furthermore, the striking components are provided in two sets, and the two sets of striking components are symmetrically arranged on both sides of the base.

[0012] Furthermore, the pressure regulating device is equipped with a microcontroller for pressure monitoring and early warning, and a communication circuit for setting the pressure range and measuring verification. The microcontroller is electrically connected to the communication circuit, and the microcontroller is electrically connected to the driver and the pressure sensor respectively.

[0013] Another aspect of the technical solution of the present invention relates to a pressure control method, applied to the key striking device of the above embodiments. The method according to the present invention includes the following steps:

[0014] A100: Based on the pressure value set by the user, the microcontroller controls the driver to extend so as to strike the test product with the striking head;

[0015] A200: The pressure value of the striking head acquired by the pressure sensor is fed back to the microcontroller. The microcontroller determines whether the acquired pressure value exceeds the pressure alarm limit. If so, the microcontroller controls the driver to stop and sets the pressure indicator light to a constant-on state. If not, after receiving a test stop command, the microcontroller controls the driver to retract. Additionally, the moving distance of the striking head is fed back to the microcontroller by the photoelectric switch sensor. The microcontroller determines whether the acquired pressure value exceeds the travel range. If so, the microcontroller controls the driver to retract.

[0016] The beneficial effects of this invention are as follows.

[0017] This invention provides a pressure-controlled button striking device, which facilitates precise, stable, and safe product pressure testing. By employing a driver to control the striking head, pressure tests are performed on products such as electronic buttons to assess their safety and stability, ensuring safe product use. A pressure sensor feeds back the pressure reading from the striking head to a pressure regulating device, adjusting the driver's output to achieve precise control of the striking pressure. A photoelectric switch sensor provides feedback on the striking head's movement distance, reducing the likelihood of overpressure or interference force. The pressure sensor provides a pressure alarm, and the photoelectric switch sensor prevents overpressure, thus ensuring the safety and stability of the tested products. Attached Figure Description

[0018] Figure 1 This is a front structural diagram of a button striking device according to an embodiment of the present invention.

[0019] Figure 2 This is a side view of the key striking device according to an embodiment of the present invention.

[0020] Figure 3 This is a top view structural diagram of the key striking device according to an embodiment of the present invention.

[0021] Figure 4 This is a schematic diagram of the hardware structure of a pressure regulating device according to an embodiment of the present invention.

[0022] Figure 5 This is a circuit diagram of the control circuit of the pressure regulating device according to an embodiment of the present invention.

[0023] Figure 6 This is a circuit diagram of the pressure sampling circuit of the pressure regulating device according to an embodiment of the present invention.

[0024] Figure 7 This is a circuit diagram of the communication circuit of the pressure regulating device according to an embodiment of the present invention.

[0025] Figure 8 This is a circuit diagram of the power supply circuit of the pressure regulating device according to an embodiment of the present invention.

[0026] Figure 9 This is a circuit diagram of the number display circuit of the pressure regulating device according to an embodiment of the present invention.

[0027] Figure label:

[0028] 100 Key striking mechanism; 110 Base; 120 Striking device; 121 Mounting block; 122 Slide rail; 123 Slider; 124 Stop block; 130 Driver; 140 Striking head; 141 Compression spring; 142 Rubber head; 150 Pressure sensor; 160 Photoelectric switch sensor; 161 Sensing block; 162 Sensing sheet; 163 Sensing groove;

[0029] 200 Pressure regulating device; 210 Control circuit; 220 Communication circuit; 230 Pressure sampling circuit; 240 Digital display circuit; 250 Power supply circuit. Detailed Implementation

[0030] The following will provide a clear and complete description of the concept, specific structure, and technical effects of the present invention in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, solution, and effects of the present invention. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0031] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. Furthermore, the descriptions of "upper," "lower," "left," "right," "top," and "bottom" used in this invention are only relative to the relative positional relationships of the various components of the invention in the accompanying drawings.

[0032] Furthermore, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in this specification is for the purpose of describing particular embodiments only and not for limiting the invention. The term "and / or" as used herein includes any combination of one or more of the associated listed items.

[0033] It should be understood that although the terms first, second, third, etc., may be used in this disclosure to describe various elements, these elements should not be limited to these terms. These terms are only used to distinguish elements of the same type from one another. For example, without departing from the scope of this disclosure, a first element may also be referred to as a second element, and similarly, a second element may also be referred to as a first element.

[0034] See Figures 1 to 9 The technical solution of this invention is based on an industrial pressure control system, which includes a pressure regulating device 200 and a key striking mechanism 100. The key striking mechanism 100 is provided with a striking head 140 and a driver 130 for moving the striking head 140. The pressure regulating device 200 includes a control circuit 210, a digital display circuit 240, a pressure sampling circuit 230, and a communication circuit 220 for parameter setting and program downloading. The control circuit 210 is provided with a microcontroller for pressure monitoring and early warning, which is connected to the digital display circuit 240, the pressure sampling circuit 230, and the communication circuit 220. The pressure sampling circuit 230 is provided with a pressure sensor 150 for collecting pressure values. The communication circuit 220 is provided with an RS485 communication transceiver chip, an RS232 communication transceiver chip, and multiple function buttons for setting the pressure range and metering verification. The RS485 communication transceiver chip and the RS232 communication transceiver chip are connected. The driver 130 is electrically connected to the microcontroller, and the pressure sensor 150 is electrically connected to the striking head 140.

[0035] The industrial pressure control system of this invention uses software-controlled pressure regulation via pressure regulating device 200 to monitor and control the pressure of products such as button-operated mechanism 100 in real time. This enables pressure testing of various products across multiple ranges, improving system applicability and reducing operating costs. Users can perform operations such as setting upper and lower pressure limits, verifying measurement values, and resetting measurement parameters via digital display circuit 240 and multiple function buttons. Furthermore, through the cooperation of stand-alone and communication circuits 220, the output of industrial pressure can be controlled via programming, and pressure monitoring is achieved through feedback from pressure sensor 150.

[0036] See Figures 1 to 9 The force-controllable button striking mechanism 100 of the present invention includes a base 110 and a striking device 120. The striking device 120 includes a moving component, a driver 130, a striking head 140, a pressure sensor 150 for acquiring the pressure value of the striking head 140, and a photoelectric switch sensor 160 for acquiring the moving distance of the striking head 140. The moving component and the driver 130 are disposed on the base 110. The telescopic shaft of the driver 130 is connected to the moving component. The pressure sensor 150 is disposed on the moving component. The striking head 140 is disposed on the side of the pressure sensor 150 opposite to the driver 130. The driver 130, the pressure sensor 150, and the photoelectric switch sensor 160 are all electrically connected to a pressure regulating device 200. In some specific embodiments, two sets of striking components are provided, symmetrically arranged on both sides of the base 110. It should be noted that the driver 130 in the embodiments of the present invention can be a motor or a servo motor, etc.

[0037] Specifically, the movable component is slidably disposed on one side of the upper plane of the base 110, and the driver 130 is fixedly disposed on the other side of the upper plane of the base 110. The telescopic end of the driver 130 is connected to the movable component to drive the movable component to move left and right. The pressure sensor 150 is disposed on the movable component, and the striking head 140 is disposed on the side of the pressure sensor 150 opposite to the driver 130. Under the action of the driver 130, the movable component is moved so as to perform pressure tests such as impact on test pieces such as electronic buttons through the striking head 140. The actuator 130, pressure sensor 150, and photoelectric switch sensor 160 are all electrically connected to the pressure regulating device 200. The pressure regulating device 200 adjusts the output of the actuator 130 based on the pressure of the impact head 140 fed back by the pressure sensor 150, thereby controlling and monitoring the output pressure of the pressure control system. Simultaneously, based on the movement distance of the impact head 140 fed back by the photoelectric switch sensor 160, if the movement distance of the moving component exceeds a set range, the pressure regulating device can automatically retract the actuator 130 based on the feedback from the photoelectric switch sensor 160, preventing damage to the test piece due to overpressure. It is understood that the moving component and the base 110 are made of aluminum alloy, which helps ensure overall strength.

[0038] The button striking mechanism 100 of this invention uses a driver 130 to control a striking head 140 to perform impact and other pressure tests on electronic buttons and other products, thereby detecting the safety and stability of the products and ensuring their usability. A pressure sensor 150 feeds back the pressure value of the striking head 140 to a pressure regulating device 200 to adjust the output value of the driver 130, achieving precise control of the striking pressure. A photoelectric switch sensor 160 provides feedback on the movement distance of the striking head 140 to reduce the probability of overpressure or interference force.

[0039] In some specific embodiments of the present invention, see Figure 1 and Figure 2 The movable component includes a movable mounting block 121, and a pressure sensor 150 is disposed on the side of the mounting block 121 opposite to the base 110. See also Figure 1 The mounting block 121 is L-shaped, with its vertical section facing upwards. One end of the pressure sensor 150 is connected to the vertical section of the mounting block 121, and the other end is connected to the striking head 140. The pressure sensor 150 is located on the side of the vertical section away from the driver 130 and on the side of the horizontal section away from the base 110. The mounting block 121 is slidable, thereby moving the pressure sensor 150 and the striking head 140.

[0040] In some specific embodiments of the present invention, the telescopic end of the driver 130 passes through the mounting block 121. See also Figure 1The driver 130 is mounted on the base 110 via a fixed seat. The fixed seat is located between the driver 130 and the mounting block 121. The horizontal block of the mounting block 121 is located below the vertical block. The telescopic end of the driver 130 passes through the fixed seat and is inserted into the horizontal block of the mounting block 121, and is fixedly connected to the mounting block 121, thereby driving the mounting block 121 to move via the driver 130.

[0041] In some specific embodiments of the present invention, the striking head 140 is connected to the pressure sensor 150 via a compression spring 141. See also Figure 3 A fixing block is provided between the striking head 140 and the pressure sensor 150. A through hole is provided in the middle of the fixing block. A compression spring 141 is provided in the through hole of the fixing block. One end of the compression spring 141 is connected to the striking head 140 and the other end is connected to the pressure sensor 150, which helps to prevent the striking head 140 from making hard contact with the test product.

[0042] Furthermore, a rubber head 142 is connected to the side of the striking head 140 opposite to the pressure sensor 150. See also Figure 3 The rubber head 142 is located at the end of the striking head 140 away from the pressure sensor 150. The rubber head 142 directly contacts the product, which helps prevent scratches during testing. It should be noted that the rubber head 142 in this embodiment can be made of anti-static yellow urethane rubber. It should also be noted that the striking head 140 in this embodiment is a consumable component and requires periodic replacement. Furthermore, due to the inherent characteristics of the rubber head 142, such as its high shrinkage rate, pressure control accuracy is difficult to guarantee. Therefore, the button striking mechanism 100 in this embodiment adjusts the output of the driver 130 through the pressure regulating device 200 based on the pressure sensor 150, which facilitates precise control of the striking head 140 pressure during testing.

[0043] In some specific embodiments of the present invention, see Figure 2 The photoelectric switch sensor 160 includes a sensing block 161 and a sensing element 162. The sensing block 161 is disposed on the base 110, one end of the sensing element 162 is disposed in the sensing block 161, and the other end of the sensing element 162 is fixedly connected to the mounting block 121. See also Figure 2 The sensing block 161 is disposed on the bottom surface of the base 110. One end of the sensing plate 162 is fixedly connected to the mounting block 121. The sensing plate 162 can move with the mounting block 121. The other end of the sensing plate 162 is disposed on the sensing block 161. When the sensing plate 162 and the mounting block 121 move with the striking head 140, the moving distance of the sensing plate 162 is detected by the sensing block 161 and fed back to the pressure regulating device 200 to prevent overpressure, interference force and other situations.

[0044] Furthermore, the detection device in this embodiment of the invention includes a sensing groove 163, and one end of the sensing piece 162 is movably inserted into the sensing groove 163. Specifically, the sensing piece 162 is a U-shaped piece, with one open end of the sensing piece 162 fixedly connected to the mounting block 121, and the other open end of the sensing piece 162 movably disposed within the sensing groove 163. When the driver 130 pushes the mounting block 121 to move, the sensing piece 162 moves with the mounting block 121, causing the sensing piece 162 to move within the sensing groove 163. When the movement of the striking head 140 exceeds the range, the movement of the sensing piece 162 within the sensing groove 163 exceeds the set range, and the sensing block 161 feeds back to the pressure regulating device 200, which then controls the driver 130 to automatically withdraw.

[0045] In some specific embodiments of the present invention, the moving component further includes a slide rail 122 and a slider 123. The slide rail 122 is disposed on the base 110, the slider 123 is movably disposed on the slide rail 122, and the mounting block 121 is disposed on the slider 123. See also Figure 1 The slide rail 122 is located on the side of the base 110 opposite to the driver 130. The slider 123 is movably mounted on the slide rail 122. The mounting block 121 is fixedly mounted on the slider 123. The telescopic end of the drive block is fixedly connected to the mounting block 121, thereby driving the mounting block 121 and the slider 123 to move left and right on the slide rail 122, thereby driving the striking head 140 to strike electronic buttons and other products to achieve electronically controlled pressure testing. Furthermore, the moving assembly also includes a stop 124, which is located on the base 110 and on the side of the slide rail 122 opposite to the driver 130.

[0046] In some specific embodiments of the present invention, see Figure 4 , Figure 5 and Figure 7 The pressure regulating device 200 is equipped with a microcontroller for pressure monitoring and early warning, and a communication circuit 220 for setting the pressure range and calibration. The microcontroller is electrically connected to the communication circuit 220, and is also electrically connected to the driver 130 and the pressure sensor 150. The microcontroller controls the driver 130 and the striking head 140 in conjunction with the moving components to perform tests on products such as button presses. This facilitates rapid, stable, and highly accurate pressure testing. The pressure sensor 150 provides pressure alarm, and the photoelectric switch sensor 160 prevents overpressure, thus ensuring the safety and stability of the tested products.

[0047] The pressure control method of the present invention, applied to the button striking mechanism 100 of the present invention embodiment, includes at least the following steps: A100, according to the pressure value set by the user, the microcontroller controls the driver 130 to extend so as to strike the test product with the striking head 140; A00, the pressure value of the striking head 140 is fed back to the microcontroller by the pressure sensor 150, and the microcontroller determines whether the obtained pressure value exceeds the pressure alarm limit; if so, the microcontroller controls the driver 130 to stop and sets the pressure indicator light to a constant-on state; if not, the microcontroller controls the driver 130 to retract after receiving the test stop command; and, the photoelectric switch sensor 160 feeds back the movement distance of the striking head 140 to the microcontroller, and the microcontroller determines whether the obtained pressure value exceeds the stroke range; if so, the microcontroller controls the driver 130 to retract.

[0048] See Figures 1 to 9 The industrial pressure regulating device 200 of this invention is applied to the button striking mechanism 100 of this embodiment. The pressure regulating device 200 includes a control circuit 210, a digital display circuit 240, a pressure sampling circuit 230, and a communication circuit 220 for parameter setting and program downloading. The control circuit 210 is equipped with a microcontroller U4 for pressure monitoring and early warning, which is connected to the digital display circuit 240, the pressure sampling circuit 230, and the communication circuit 220. The pressure sampling circuit 230 is equipped with a pressure sensor 150U3 for collecting pressure values. The communication circuit 220 is equipped with multiple function buttons for setting the pressure range and for measurement verification. See also... Figure 5 and Figure 6 The pressure sensor 150U3 acquires the pressure value of the striking head 140 through the INNA terminal (i.e., S1- terminal) and the INPA terminal (i.e., S1+ terminal). The PC13 terminal of the microcontroller U4 is connected to the DOUT terminal of the pressure sensor 150U3 to input the pressure value into the microcontroller. Furthermore, the VSUP terminal of the pressure sensor 150U3 is connected to a 5V power supply through the first filter FB1.

[0049] The pressure regulating device 200 of this embodiment of the invention is equipped with a microcontroller for pressure monitoring and early warning. Based on the pressure value input by the pressure sampling circuit 230, the microcontroller can control and display the pressure of the pressure controller in pressure testing systems such as interference force detection. In addition, according to the various range requirements of different products, it can realize real-time monitoring and control of industrial pressure testing through programming via multiple function keys.

[0050] In some specific embodiments of the present invention, the communication circuit 220 of the present invention is equipped with an RS485 communication transceiver chip U5. The DI terminal (i.e., UART1 TX terminal) of the RS485 communication transceiver chip is connected to its A terminal (i.e., RXA terminal) through a first communication resistor R33, and the RO terminal (i.e., UART1 RX terminal) of the RS485 communication transceiver chip is connected to its B terminal (i.e., TXB terminal) through a second communication resistor R34. Further, the A terminal of the RS485 communication transceiver chip of the present invention is connected to a first communication diode TVS4, the other end of which is grounded; the B terminal of the RS485 communication transceiver chip is connected to a second communication diode TVS3, the other end of which is grounded. See also... Figure 5 and Figure 7 The VCC terminal of the RS485 communication transceiver chip is connected to the 3V power supply through the second filter FB2 and grounded through a capacitor C18. The A terminal of the RS485 communication transceiver chip is connected to the 3V power supply through a resistor R26, and the B terminal is grounded through a resistor R31. The DI terminal (i.e., the UART1 TX terminal) of the RS485 communication transceiver chip is grounded through a resistor R32. The communication circuit 220 of this embodiment includes a ninth field-effect transistor Q9. The gate of the ninth field-effect transistor Q9 is connected to the DI terminal (i.e., the UART1 TX terminal) of the RS485 communication transceiver chip, its drain is connected to the RE and DE terminals of the RS485 communication transceiver chip, and its drain is connected to the 3V power supply through a resistor R27. Its source is grounded. The communication circuit 220 of this embodiment is connected to the SWDIO and SWCLK terminals of the microcontroller. In this embodiment of the invention, the OUT1_S and OUT1_D terminals of the communication circuit 220 are connected to the OUT1_G terminal of the microcontroller via an optocoupler relay.

[0051] In some specific embodiments of the present invention, the communication circuit 220 of the present invention is further provided with an RS232 communication transceiver chip U6. The T1OUT terminal (i.e., RXA terminal) of the RS232 communication transceiver chip is connected to the A terminal of the RS485 communication transceiver chip, and the R1IN terminal (i.e., TXB terminal) of the RS232 communication transceiver chip is connected to the B terminal of the RS485 communication transceiver chip. See also Figure 5 and Figure 7 The VCC terminal of the RS232 communication transceiver chip is connected to a 3V power supply through the third filter FB3, and to a 5V power supply through the fourth filter FB4. The positive C2+ terminal and the negative C2- terminal of the RS232 communication transceiver chip are connected through a 2 / 8 capacitor C28, while the positive C1+ terminal and the negative C1- terminal of the RS232 communication transceiver chip are connected through a 2 / 4 capacitor C24.

[0052] In some specific embodiments of the present invention, the communication circuit 220 is provided with multiple function buttons for setting the pressure range and performing measurement verification. In some embodiments, the multiple function buttons include a menu selection button, a unit switching button, a reset button, an automatic zeroing button, and a system zeroing button. See also Figure 5 and Figure 7 The system includes multiple function buttons, including a first function button S1, a second function button S2, a third function button S3, a fourth function button S4, and a fifth function button S5. The first function button S1 is connected to the NRST terminal of the microcontroller, the second function button S2 is connected to the MODE_PB15 terminal of the microcontroller, the third function button S3 is connected to the ADD_PB14 terminal of the microcontroller, the fourth function button S4 is connected to the DEC_PB12 terminal of the microcontroller, and the fifth function button S5 is connected to the ZERO_PB0 terminal of the microcontroller. Furthermore, the control circuit 210 of this embodiment is equipped with multiple function indicator lights for displaying reset, communication, and alarm functions. Furthermore, the power supply circuit 250 is externally connected to a DC 7V-36V power supply to power the microcontroller; when the microcontroller is working normally, the power indicator light flashes red.

[0053] In some specific embodiments of the present invention, see Figure 5 and Figure 8 The pressure regulating device 200 of this embodiment further includes a power supply circuit 250 for providing multiple voltage power supplies. The power supply circuit 250 is connected to the control circuit 210, the digital-analog display circuit, the pressure sampling circuit 230, and the communication circuit 220, respectively. Specifically, the power supply circuit 250 provides multiple voltage power supplies such as 3V, 5V, and 24V. Further, the power supply circuit 250 is equipped with a power diode for reverse voltage protection, see [link to documentation]. Figure 1 There are four power diodes. One end of voltage diode D3 is connected to the RUN_LED terminal of the microcontroller, one end of voltage diode D4 is connected to the COM_LED terminal of the microcontroller, one end of voltage diode D5 is connected to the ZERO_LED terminal of the microcontroller, and one end of voltage diode D8 is connected to the OUT1_LED terminal of the microcontroller.

[0054] In some specific embodiments of the present invention, see Figure 5 In this embodiment of the invention, the control circuit 210 is equipped with a memory, which is connected to a microcontroller. Specifically, the SCL and SDA terminals of the memory U7 are connected to the SCL and SDA terminals of the microcontroller, respectively. The SCL terminal of the memory is connected to a 3V power supply through a 3-5 resistor R35, and the SDA terminal of the memory is connected to a 3V power supply through a 3-6 resistor R36.

[0055] In some specific embodiments of the present invention, the digital display circuit 240 is connected to a microcontroller. See also Figure 5and Figure 9 The digital display circuit 240 includes two digital tubes, DS1 and DS2. The a, b, c, d, e, f, g and DP terminals of the digital tubes are connected to the PA0 to PA7 terminals of the microcontroller, respectively. The H1, H2 and H3 terminals of one of the digital tubes, DS1, are connected to the PA12, PA11 and PF7 terminals of the microcontroller, respectively. The H1, H2 and H3 terminals of one of the digital tubes, DS2, are connected to the PF6, PA8 and PF15 terminals of the microcontroller, respectively.

[0056] See Figures 1 to 9 The pressure control method of the present invention, applied to the pressure control system of the present invention embodiment, includes at least the following steps:

[0057] S100: According to the pressure value set by the user, the microcontroller controls the driver 130 to extend so that the impact head 140 can strike the test product, and the pressure value is displayed by the digital display circuit 240.

[0058] S200: The pressure value of the striking head 140 obtained by the pressure sensor 150 is fed back to the microcontroller. The microcontroller determines whether the obtained pressure value exceeds the pressure alarm limit. If so, the microcontroller controls the driver 130 to stop and sets the pressure indicator light to a constant state. If not, the microcontroller controls the driver 130 to retract after receiving the test stop command.

[0059] The pressure control system and method of this invention are mainly used for interference force detection and monitoring in products such as automobiles, motorcycles, motors, electronic buttons, etc. It can employ different types of pressure sensors 150 and detection products with different ranges to adapt to the pressure control and display needs of various products. Furthermore, it can achieve real-time monitoring and control of industrial pressure through software programming according to the product requirements of different ranges, allowing users to modify the required parameters according to actual needs. The pressure control system can control the start and stop of the actuator 130 and the striking head 140 through preset upper and lower pressure limits and preset travel ranges. The pressure regulating device 200 of this invention is communicative, programmable, small in size, inexpensive, and has excellent performance. It saves internal space, can be used with multiple pressure sensors 150 of different specifications and ranges, consumes approximately 1W-2W of power, has a sensitivity of 0.5-3.0mV / V, and a sampling frequency that can be set to 15-85HZ, effectively improving applicability and reducing operating costs.

[0060] Specifically, the pressure regulating device 200 includes a microcontroller, a power supply circuit 250, a communication circuit 220, a metering circuit, a digital display circuit 240, and an alarm output port. The microcontroller receives and interprets analog signals through the pressure sensor 150 to display real-time pressure values ​​and triggers an alarm when the set pressure alarm limit is exceeded. It communicates with RS485 and RS232 communication transceivers to achieve real-time pressure data monitoring and early warning. Overvoltage protection is implemented through a photoelectric switch sensor 160, and reverse connection protection is provided in the power supply circuit 250. It is understood that this embodiment of the invention uses a microcontroller as the controller, which can download programs via the SWD interface and supports RS232 / RS485 (MODBUS-RTU) communication settings, as well as overvoltage protection to prevent device damage due to exceeding the range.

[0061] Furthermore, the RS232 / RS485 interface communication enables remote monitoring, parameter setting, and program downloading, including functions such as range setting and calibration, measurement value parameter reset, zeroing, and pressure alarm output parameter settings. Specifically, during communication in the pressure control system, the communication indicator light flashes once for each system command sent, and the zeroing indicator light flashes once for each zeroing operation. When a pressure alarm is triggered, the pressure indicator light remains constantly lit; when the pressure alarm is deactivated, i.e., the pressure value detected by pressure sensor 150 falls below the pressure alarm limit, the pressure indicator light turns off.

[0062] The above description is merely a preferred embodiment of the present invention. The present invention is not limited to the above-described embodiments. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this disclosure, as long as they achieve the same technical effects, should be included within the scope of protection of this disclosure and fall under the protection scope of the present invention. Within the protection scope of the present invention, the technical solutions and / or implementation methods can have various modifications and variations.

Claims

1. A button striking mechanism (100), characterized in that, include: Base (110); A striking device (120) includes a moving component, a driver (130), a striking head (140), a pressure sensor (150) for acquiring the pressure value of the striking head (140), and a photoelectric switch sensor (160) for acquiring the moving distance of the striking head (140). The moving component and the driver (130) are disposed on a base (110). The telescopic shaft of the driver (130) is connected to the moving component. The pressure sensor (150) is disposed on the moving component. The striking head (140) is disposed on the side of the pressure sensor (150) away from the driver (130). The driver (130), the pressure sensor (150), and the photoelectric switch sensor (160) are all electrically connected to the pressure regulating device (200).

2. The button striking mechanism (100) according to claim 1, characterized in that, The movable component includes a movable mounting block (121), the pressure sensor (150) is disposed on the side of the mounting block (121) away from the base (110), and the telescopic end of the actuator (130) passes through the mounting block (121).

3. The button striking mechanism (100) according to claim 2, characterized in that, The photoelectric switch sensor (160) includes a sensing block (161) and a sensing sheet (162). The sensing block (161) is disposed on the base (110), one end of the sensing sheet (162) is disposed in the sensing block (161), and the other end of the sensing sheet (162) is fixedly connected to the mounting block (121).

4. The button striking mechanism (100) according to claim 3, characterized in that, The detection device is provided with a sensing groove (163), and one end of the sensing piece (162) is movably inserted into the sensing groove (163).

5. The button striking mechanism (100) according to claim 1, characterized in that, The striking head (140) is connected to the pressure sensor (150) via a compression spring (141).

6. The button striking mechanism (100) according to claim 1, characterized in that, The moving component also includes a slide rail (122) and a slider (123), the slide rail (122) being disposed on the base (110), the slider (123) being movably disposed on the slide rail (122), and the mounting block (121) being disposed on the slider (123).

7. The button striking mechanism (100) according to claim 1, characterized in that, A rubber head (142) is connected to the side of the striking head (140) away from the pressure sensor (150).

8. The button striking mechanism (100) according to claim 1, characterized in that, The striking components are provided in two sets, and the two sets of striking components are symmetrically arranged on both sides of the base (110).

9. The button striking mechanism (100) according to claim 1, characterized in that, The pressure regulating device (200) is equipped with a microcontroller for pressure monitoring and early warning and a communication circuit (220) for setting pressure range and metering verification. The microcontroller is electrically connected to the communication circuit (220) and is electrically connected to the driver (130) and the pressure sensor (150) respectively.

10. A pressure control method applied to the key striking mechanism (100) of claim 8, the method comprising the following steps: A100. According to the pressure value set by the user, the microcontroller controls the driver (130) to extend so as to strike the test product through the striking head (140); A200: The pressure value of the striking head (140) acquired by the pressure sensor (150) is fed back to the microcontroller. The microcontroller determines whether the acquired pressure value exceeds the pressure alarm limit. If so, the microcontroller controls the driver (130) to stop and sets the pressure indicator light to a constant-on state. If not, the microcontroller controls the driver (130) to retract after receiving a test stop command. Also, the moving distance of the striking head (140) is fed back to the microcontroller by the photoelectric switch sensor (160). The microcontroller determines whether the acquired pressure value exceeds the stroke range. If so, the microcontroller controls the driver (130) to retract.

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