Touch switch control circuit and stamper machine
By using a touch-sensitive switch control circuit, the problem of easy deformation of the mechanical switch in the stamp machine is solved, achieving precise control and convenient operation, extending the equipment's lifespan, and improving the user experience.
Patent Information
- Application Number
- CN202520248853.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-17
AI Technical Summary
The mechanical switches of existing stamp machines are prone to deformation, which can cause them to fail to start and stop normally. They also have a short service life and are inconvenient to operate.
The circuit employs a touch-sensitive switch control circuit, including a touch chip, a microcontroller, and MOSFETs. It controls the power-on and power-off of the stamp machine via touch signals, and controls the raising and lowering of the stamp via a driver chip and a drive motor. Resistors and capacitors are used for filtering to prevent noise interference, and NMOS and PMOS transistors are used for power control.
It achieves precise control of the stamp machine, improves ease of operation and stability, reduces mechanical wear, extends equipment lifespan, and optimizes user experience.
Smart Images
Figure CN223681054U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit technical field especially relates to a touch switch control circuit and seal machine. BACKGROUND
[0002] The power system switch control in the related art is completed by mechanical switch to power on and shut down the equipment, the mechanical switch is deformed due to stress influence after long-term use of seal, and the normal on-off condition is easily caused, leading to short service life of seal machine. In addition, due to structural reasons, the conventional mechanical switch is large in size, leading to inconvenient operation of seal machine. SUMMARY
[0003] Therefore, the utility model embodiment aims at providing a touch switch control circuit and seal machine to solve one or more technical problems in the prior art and provide at least one beneficial selection or create conditions.
[0004] In one aspect, the utility model embodiment provides a touch switch control circuit applied to a seal machine, which comprises a touch chip and a single-chip microcomputer; a TCH pin of the touch chip is connected with a touch panel, an OUT pin of the touch chip is connected with a gate of a first MOS tube, and a drain of the first MOS tube is connected with a detection pin of the single-chip microcomputer; the touch chip turns on the first MOS tube after detecting a touch signal through the TCH pin, and the single-chip microcomputer outputs a control signal to trigger the seal machine to power on or shut down after detecting an input voltage through the detection pin.
[0005] Optionally, the touch switch control circuit further comprises a driving chip and a driving motor, an input pin of the driving chip is connected with a PWMOUT pin of the single-chip microcomputer, an OUT pin of the driving chip is connected with the driving motor, and one end of the driving motor is connected with a seal.
[0006] After the single-chip microcomputer outputs a PWM control signal to the driving motor, the driving chip controls the driving motor to rotate forward or reversely according to the PWM control signal, thereby driving the seal to rise or fall.
[0007] Optionally, the touch switch control circuit further comprises a first resistor and a first capacitor, the first resistor is connected with the TCH pin of the touch chip and the touch panel, and the TCH pin of the touch chip is grounded through the first capacitor.
[0008] Optionally, the touch switch control circuit further comprises a second resistor, a third resistor and a second capacitor, one end of the second resistor, one end of the third resistor and one end of the second capacitor are commonly connected to a first power input end, the other end of the second resistor is connected to an HLD pin of the touch chip, the other end of the third resistor is connected to an OLH pin of the touch chip, and the other end of the second capacitor is grounded.
[0009] Optionally, the touch switch control circuit further comprises a fourth resistor and a fifth resistor, the fourth resistor is connected to an OUT pin of the touch chip and a gate of the first MOS tube, and the gate of the first MOS tube is further grounded through the fifth resistor.
[0010] Optionally, the touch switch control circuit further comprises a power supply control circuit, the power supply control circuit comprises a second MOS tube, a third MOS tube and a sixth resistor, a source of the second MOS tube is connected to a second power input end, a gate of the second MOS tube is connected to a source of the third MOS tube, and the sixth resistor is connected to a gate and a source of the third MOS tube; a drain of the second MOS tube serves as a power output end; a gate of the third MOS tube is connected to an enable pin of the single-chip microcomputer, and a drain of the third MOS tube is grounded.
[0011] Optionally, the power supply control circuit further comprises a seventh resistor, and the gate of the third MOS tube is grounded through the seventh resistor.
[0012] Optionally, the power supply control circuit further comprises a third capacitor, and the drain of the second MOS tube is grounded through the third capacitor.
[0013] Optionally, the first MOS tube is an NMOS tube, and the second MOS tube and the third MOS tube are PMOS tubes.
[0014] In another aspect, the utility model embodiment provides a seal machine, include: shell, be located in the seal of shell and the touch switch control circuit of any above.
[0015] The utility model embodiment has the following beneficial effects: the utility model realizes accurate control of the seal machine through the touch switch control circuit, improves operation convenience and stability, reduces mechanical wear, prolongs equipment service life, and optimizes user experience. BRIEF DESCRIPTION OF DRAWINGS
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A schematic diagram of a touch switch control circuit provided in one embodiment;
[0018] Figure 2 A block diagram of a touch-sensitive switch control circuit provided in one embodiment;
[0019] Figure 3 for Figure 1 Schematic diagram of the power supply control circuit. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0021] It should be noted that although functional modules are divided in the schematic diagram and the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed with a different module division or in a different order than that shown in the schematic diagram or the flowchart. The terms "first," "second," etc., in the specification, claims, and the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0022] 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 to which this invention pertains. The terminology used herein is for the purpose of describing embodiments of the invention only and is not intended to limit the invention.
[0023] Furthermore, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. Numerous specific details are provided in the following description to give a full understanding of embodiments of the present invention. However, those skilled in the art will recognize that the technical solutions of the present invention can be practiced without one or more of the specific details, or other methods, components, steps, etc., can be employed. In other instances, well-known methods, implementations, or operations are not shown or described in detail to avoid obscuring various aspects of the present invention.
[0024] The block diagrams shown in the drawings are merely functional entities, and do not necessarily correspond to physically independent entities. That is, the functional entities can be implemented in the form of software, or in one or more hardware modules, or in different network and / or processor devices and / or microcontroller devices.
[0025] The flowcharts shown in the drawings are merely exemplary illustrations, and do not necessarily include all contents and operations / steps, nor are they necessarily executed in the order described. For example, some operations / steps can be further decomposed, and some operations / steps can be combined or partially combined, so the actual execution order can be changed according to actual conditions.
[0026] As shown in Figure 1 and Figure 2 The utility model provides a touch switch control circuit, be applied to seal machine, the touch switch control circuit includes touch chip U1 and singlechip U2;
[0027] The TCH pin of the touch chip U1 is connected to the touch panel U3, the OUT pin of the touch chip U1 is connected to the gate of the first MOS tube Q1, and the drain of the first MOS tube Q1 is connected to the detection pin PWRKEY of the singlechip U2.
[0028] The touch chip U1 turns on the first MOS tube Q1 after detecting the touch signal through the TCH pin, and the singlechip U2 outputs a control signal to trigger the power-on or power-off of the seal machine after detecting the input voltage through the detection pin PWRKEY.
[0029] In this embodiment, the touch signal is detected through the TCH pin, and when a human body or a conductive object approaches the touch panel U3, the capacitance value of the TCH pin will change, which is detected by the touch chip U1. After the touch chip U1 detects the touch signal, the OUT pin will produce a corresponding level change according to the configured mode and output mode. After the singlechip U2 detects the level change, it determines whether the input voltage meets the timing requirements, and then outputs a control signal to the operating system to start the device (e.g., a seal machine) or shut it down; in the device running state, the touch panel can make the operating system sleep or work with the screen on.
[0030] In some embodiments, the touch switch control circuit further includes a drive chip U4, a drive motor U5 and a seal, the PWM OUT pin of the singlechip U2 is connected to the input pin of the drive chip U4, the OUT pin of the drive chip U4 is connected to the drive motor U5, and one end of the drive motor U5 is connected to the seal.
[0031] After the single-chip microcomputer U2 outputs the PWM control signal to the driving motor U5, the driving chip U4 controls the driving motor U5 to rotate forward or reversely according to the PWM control signal, thereby driving the seal to ascend or descend.
[0032] Specifically, the driving chip U4 receives the PWM control signal through two input pins to control the driving motor U5 to rotate forward or reversely and the speed, thereby driving the seal to ascend or descend.
[0033] In some embodiments, the touch switch control circuit further comprises a first resistor R1 and a first capacitor C1, the first resistor R1 is connected to the TCH pin of the touch chip U1 and the touch panel U3, and the TCH pin of the touch chip U1 is grounded through the first capacitor C1.
[0034] The first resistor R1 and the first capacitor C1 form a filter circuit, effectively preventing false operation caused by external noise interference and ensuring the reliability of touch detection.
[0035] In some embodiments, the touch switch control circuit further comprises a second resistor R2, a third resistor R3 and a second capacitor C2, one end of the second resistor R2, one end of the third resistor R3 and one end of the second capacitor C2 are commonly connected to the first power input end VDD, the other end of the second resistor R2 is connected to the HLD pin of the touch chip U1, the other end of the third resistor R3 is connected to the OLH pin of the touch chip U1, and the other end of the second capacitor C2 is grounded.
[0036] In this embodiment, the output mode is set through the OLH pin. If the OLH is left floating or grounded, the output is high level effective; if the OLH is connected to high level, the output is low level effective. The hold mode (HLD=1) or the synchronous mode (HLD=0) is selected through the HLD pin. In the synchronous mode, the output is synchronized with the touch response; in the hold mode, the output state is maintained after the touch disappears until the next touch.
[0037] In some embodiments, the touch switch control circuit further comprises a fourth resistor R4 and a fifth resistor R5, the fourth resistor R4 is connected to the OUT pin of the touch chip U1 and the gate of the first MOS tube Q1, and the gate of the first MOS tube Q1 is also grounded through the fifth resistor R5.
[0038] The fourth resistor R4 and the fifth resistor R5 play a role in current limiting, ensuring the stability of the first MOS tube Q1 in the on and off states, and avoiding the influence of current fluctuation on the normal work of the equipment.
[0039] As Figure 3As shown, in some embodiments, the touch switch control circuit further comprises a power control circuit U6, which comprises a second MOS tube Q2, a third MOS tube Q3 and a sixth resistor R6, the source of the second MOS tube Q2 is connected to a second power input terminal VM, the gate of the second MOS tube Q2 is connected to the source of the third MOS tube Q3, and the sixth resistor R6 is connected to the gate and source of the third MOS tube Q3; the drain of the second MOS tube Q2 serves as a power output terminal Vout; the gate of the third MOS tube Q3 is connected to the enable pin POWER_EN of the single-chip microcomputer U2, and the drain of the third MOS tube Q3 is grounded.
[0040] In this embodiment, the conduction and cutoff of the third MOS tube Q3 are controlled by the enable pin POWER_EN of the single-chip microcomputer U2, so as to realize fine regulation of the power output. The second MOS tube Q2 provides stable power output when the third MOS tube Q3 is turned on, and cuts off the power supply when the third MOS tube Q3 is turned off, thereby ensuring energy saving when the power supply is not needed. The sixth resistor R6 serves to provide a stable working voltage for the third MOS tube Q3, so as to maintain its normal working state.
[0041] In some embodiments, the power control circuit U6 further comprises a seventh resistor R7, and the gate of the third MOS tube Q3 is grounded through the seventh resistor R7.
[0042] In this embodiment, the seventh resistor R7 further stabilizes the gate voltage of the MOS tube, thereby preventing false operation caused by voltage fluctuation. In addition, the presence of the seventh resistor R7 can also reduce noise interference in the circuit, thereby ensuring the reliability of the power control circuit U6.
[0043] In some embodiments, the power control circuit U6 further comprises a third capacitor C3, and the drain of the second MOS tube Q2 is grounded through the third capacitor C3.
[0044] In this embodiment, the third capacitor C3 serves to filter high-frequency noise on the power line, thereby improving the stability of the power output.
[0045] In some embodiments, the first MOS tube Q1 is an NMOS tube, and the second MOS tube Q2 and the third MOS tube Q3 are PMOS tubes.
[0046] The NMOS tube is widely used in high-speed switching circuits due to its low on-resistance and fast switching speed, while the PMOS tube has the advantages of low power consumption and high input impedance. The complementary use of these MOS tubes not only meets the speed requirement of the circuit, but also ensures low power consumption and high stability.
[0047] The utility model embodiment further provides a seal machine, include: casing, be located in the seal of casing and the touch -control switch control circuit of any preceding embodiment.
[0048] The touch -control switch control circuit has the characteristics of small size and sensitive reaction, and can be arranged in the casing of the seal machine.
[0049] The terms "first", "second", "third", "fourth" and the like in the specification of the utility model and the above drawings (if any) are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0050] It should be understood that in the utility model, "at least one" means one or more, and "multiple" means two or more. "And / or" is used to describe the association between the associated objects, which means that there can be three kinds of relationships, for example, "A and / or B" can mean: only A, only B and A and B exist at the same time, where A and B can be singular or plural. The character " / " generally represents that the associated objects before and after are a kind of "or" relationship. "At least one of the following" or similar expressions means any combination of these items, including any combination of single item or multiple items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b and c can be single or multiple.
[0051] In several embodiments provided by the utility model, it should be understood that the disclosed device and method can be realized by other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is merely a logical function division. In actual implementation, another division manner can be used. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or other forms.
[0052] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, can be located in one place or can be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.
[0053] The preferred embodiments of the utility model embodiments are described above with reference to the drawings, and the utility model embodiments are not limited by this. Any modification, equivalent replacement and improvement made by those skilled in the art within the scope and essence of the utility model embodiments should be within the scope of the utility model embodiments.
Claims
1. A touch switch control circuit applied to a seal machine, characterized in that, The touch switch control circuit comprises a touch chip and a single-chip microcomputer; a TCH pin of the touch chip is connected with a touch panel, an OUT pin of the touch chip is connected with a gate of a first MOS tube, and a drain of the first MOS tube is connected with a detection pin of the single-chip microcomputer; the touch chip turns on the first MOS tube after detecting a touch signal through the TCH pin, and the single-chip microcomputer outputs a control signal to trigger the seal machine to power on or power off after detecting an input voltage through the detection pin.
2. The touch switch control circuit according to claim 1, wherein, The touch switch control circuit further comprises a driving chip and a driving motor; a PWM OUT pin of the single-chip microcomputer is connected with an input pin of the driving chip, an OUT pin of the driving chip is connected with the driving motor, and one end of the driving motor is connected with the seal. After the single-chip microcomputer outputs a PWM control signal to the driving motor, the driving chip controls the driving motor to rotate forward or reversely according to the PWM control signal, thereby driving the seal to ascend or descend.
3. The touch switch control circuit according to claim 1, wherein, The touch switch control circuit further comprises a first resistor and a first capacitor; the first resistor is connected between the TCH pin of the touch chip and the touch panel, and the TCH pin of the touch chip is grounded through the first capacitor.
4. The touch switch control circuit of claim 1, wherein, The touch switch control circuit further comprises a second resistor, a third resistor and a second capacitor; one end of the second resistor, one end of the third resistor and one end of the second capacitor are collectively connected with a first power input end, the other end of the second resistor is connected with an HLD pin of the touch chip, the other end of the third resistor is connected with an OLH pin of the touch chip, and the other end of the second capacitor is grounded.
5. The touch switch control circuit according to claim 1, wherein, The touch switch control circuit further comprises a fourth resistor and a fifth resistor; the fourth resistor is connected between the OUT pin of the touch chip and the gate of the first MOS tube, and the gate of the first MOS tube is further grounded through the fifth resistor.
6. The touch switch control circuit of claim 1, wherein, The touch switch control circuit further comprises a power control circuit; the power control circuit comprises a second MOS tube, a third MOS tube and a sixth resistor; a source of the second MOS tube is connected with a second power input end, a gate of the second MOS tube is connected with a source of the third MOS tube, and the sixth resistor is connected between a gate and a source of the third MOS tube; a drain of the second MOS tube serves as a power output end; a gate of the third MOS tube is connected with an enable pin of the single-chip microcomputer, and a drain of the third MOS tube is grounded.
7. The touch switch control circuit according to claim 6, wherein, The power control circuit further comprises a seventh resistor; the gate of the third MOS tube is grounded through the seventh resistor.
8. The touch switch control circuit according to claim 6, wherein, The power control circuit further comprises a third capacitor; the drain of the second MOS tube is grounded through the third capacitor.
9. The touch switch control circuit of claim 6, wherein, The first MOS tube is an NMOS tube, and the second MOS tube and the third MOS tube are PMOS tubes.
10. A stamping machine characterized by, The touch switch control circuit comprises: a shell, a seal located in the shell, and the touch switch control circuit according to any one of claims 1 to 9.