CN210924299U - Temperature control circuit and vibrating spear - Google Patents
Temperature control circuit and vibrating spear Download PDFInfo
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- CN210924299U CN210924299U CN201921771284.9U CN201921771284U CN210924299U CN 210924299 U CN210924299 U CN 210924299U CN 201921771284 U CN201921771284 U CN 201921771284U CN 210924299 U CN210924299 U CN 210924299U
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Abstract
The utility model relates to a vibrations stick technical field specifically discloses a temperature control circuit and vibrations stick, and control circuit includes MCU control module, the module of generating heat of being connected with MCU control module, the temperature detection module of being connected with MCU control module to and the power module who supplies power for MCU control module, the module of generating heat and temperature detection module; the vibration rod comprises a shell, a vibration component and a temperature control circuit, wherein the vibration component and the temperature control circuit are arranged in the shell, and the vibration component is connected with the temperature control circuit. The utility model discloses a temperature control circuit and vibrations stick has realized the detection of temperature and the regulatory function of temperature, and the vibrations stick has promoted user's experience greatly on the basis that realizes the vibrations function.
Description
Technical Field
The utility model relates to a vibrations stick technical field especially relates to a temperature control circuit and vibrations stick.
Background
The existing vibrating bar only has a vibrating function, but ignores the temperature difference between the body temperature of a human body and a vibrating bar product, and people need a certain time to adapt to the temperature difference in the using process, so that the life quality is influenced to a great extent. Meanwhile, the existing vibrating spear lacks the function of information display, and cannot enable a user to visually know the working state of a product.
SUMMERY OF THE UTILITY MODEL
To the technical problem among the prior art, the utility model provides a temperature control circuit and vibrations stick.
A temperature control circuit comprises an MCU control module, a heating module connected with the MCU control module, a temperature detection module connected with the MCU control module, and a power supply module for supplying power to the MCU control module, the heating module and the temperature detection module,
the power supply module comprises a charging management circuit, a battery connected with the charging management circuit, a power supply circuit connected with the battery, and a low-voltage detection circuit connected with the power supply circuit, wherein the charging management circuit, the power supply circuit and the low-voltage detection circuit are all connected with the MCU control module.
Further, the charging management circuit includes a charging chip U1, a resistor R1, a resistor R2, a resistor R3, and a resistor R4, wherein:
the VCC terminal of the charging chip U1 is connected with the charging interface P1, the PROG terminal of the charging chip U1 is connected with one end of a resistor R4, the CHRG terminal of the charging chip U1 is connected with the MCU control module, the CHRG terminal is connected with the VCC terminal through a resistor R3, the BAT terminal of the charging chip U1 is connected with the positive electrode of the battery, and the GND terminal of the charging chip U1 is grounded; the resistor R1 is connected with the resistor R2 in series, one end of the resistor R1 is connected with the charging interface P1, and the other end of the resistor R1 is connected with the MCU control module; the other end of the resistor R2 is grounded; the other end of the resistor R4 is grounded.
Further, the power supply circuit includes a capacitor C1, a capacitor C2, a capacitor E1, a diode D1, a switch SW, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a transistor Q1, and a transistor Q2, wherein:
one end of the capacitor C1 is connected with the positive electrode of the battery, and the other end is grounded; the cathode of the diode D1 is connected with the anode of the battery, and the anode of the diode D1 is grounded; a first terminal of the switch SW is connected with the positive electrode of the battery, and a second terminal of the switch SW is connected with the charging interface P1; one end of the resistor R6 is connected with the second terminal of the switch SW, and the other end is grounded;
the base B of the triode Q is connected with the emitter E of the triode Q1 through a resistor R5, the base B of the triode Q1 is also connected with the collector C of the triode Q2 through a resistor R8, the collector C of the triode Q1 is connected with a low-voltage detection circuit, and the emitter E of the triode Q1 is connected with the positive pole of the battery; the base B of the triode Q2 is connected with the charging interface P1 through a resistor R7, and the emitter E of the triode Q2 is grounded;
one end of the resistor R9 is connected with the collector C of the triode Q1, and the other end of the resistor R9 is connected with the MCU control module; the resistor R10 is connected with the capacitor C2 in parallel, one end of the resistor R10 is connected with the other end of the resistor R9, and the other end of the resistor R10 is grounded; the positive electrode of the capacitor E1 is connected with the collector C of the triode Q1, and the negative electrode is grounded; the resistor R11 is connected to the collector C of the transistor Q1, and the other end is grounded.
Further, the MCU control module includes a control chip U2 and a switch S1, wherein:
the VDD terminal of the control chip U2 is connected with +3.0V voltage, and the GND terminal is grounded; the I/O terminal of the control chip U2 is connected with the charging management circuit, the power supply circuit, the low-voltage detection circuit, the temperature detection module and the heating module;
one end of the switch S1 is connected to the I/O terminal of the control chip U2, and the other end is grounded.
Further, the low voltage detection circuit includes a detection chip U3, a resistor R12, a potentiometer VR, a capacitor C3, and a capacitor C4, wherein:
the Vin terminal of the detection chip U3 is connected with the collector C of the triode Q1, the Vout terminal of the detection chip U3 outputs +3.0V voltage, and the GDN terminal of the detection chip U3 is grounded; one end of the resistor R12 is connected with the Vout terminal, and the other end is connected with the potentiometer VR; the potentiometer VR is connected with the capacitor C4 in parallel, and the output end of the potentiometer VR is connected with the I/O terminal of the control chip U2; one end of the capacitor C4 is connected with the other end of the resistor R12, and the other end is grounded; the capacitor C3 has one end connected to the Vout terminal and the other end connected to ground.
Further, the heating module comprises a heating wire R, a field effect transistor Q3 and a resistor R13, wherein:
the grid G of the field effect transistor Q3 is connected with the I/O terminal of the control chip U2 through a resistor R13, the drain D of the field effect transistor Q3 is connected with the anode of the battery through a heating wire R, and the source S of the field effect transistor Q3 is grounded.
Further, the charging management circuit further includes a diode D2, wherein the anode of the diode D2 is connected to the charging interface P1, and the cathode is connected to the VCC terminal of the charging chip U1.
Furthermore, the MCU control module also comprises a capacitor C5, one end of the capacitor C5 is connected with the VDD terminal of the control chip U2, and the other end of the capacitor C5 is grounded.
The utility model discloses a temperature control circuit has realized the measuring of temperature and the regulatory function of temperature, still possesses perfect supply circuit simultaneously, makes whole temperature control circuit's working process more reliable and more stable, and the range of application is extensive.
A vibration rod, the vibration rod includes the outer casing, arranges the vibration part and the above-mentioned temperature control circuit in the outer casing inside, the vibration part is connected with temperature control circuit, wherein:
the vibration component comprises a motor M, a capacitor C6, a diode D3, a field effect transistor Q4 and a resistor R14; a grid G of the field-effect transistor Q4 is connected with the MCU control module through a resistor R13, a drain D of the field-effect transistor Q4 is connected with the negative electrode of the motor M, and a source S of the field-effect transistor Q4 is grounded; the positive pole of the motor M is connected with the positive pole of the battery; the capacitor C6 is connected in parallel with the motor M; the diode D3 is connected in parallel with the motor M, and the anode of the diode D3 is connected to the cathode of the motor M.
Further, the vibrator rod further comprises an LCD display unit mounted on the housing and connected to the temperature control circuit, wherein:
the LCD display part comprises an LCD display chip and a resistor R15, the DS1 terminal of the LCD display chip is grounded, and the LCD terminal is connected with the MCU control module through the resistor R17.
The vibration rod provided by the embodiment of the utility model realizes the functions of constant temperature and adjustable temperature of the vibration rod by combining the temperature control circuit, and further improves the experience of users on the basis of realizing the vibration function; LCD display element has realized the visual function of vibrting spear, shows the relevant information of vibrting spear, makes the user can audio-visually acquire the operating condition of vibrting spear, makes the vibrting spear more intelligent, and the function is more comprehensive.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a temperature control circuit according to an embodiment of the present invention;
fig. 2 is an electrical layout diagram of a temperature control circuit according to an embodiment of the present invention;
fig. 3 is a block diagram of a vibration rod according to an embodiment of the present invention;
fig. 4 is an electrical design diagram of a vibration rod according to an embodiment of the present invention;
wherein: the device comprises a 1-MCU control module, a 2-heating module, a 3-temperature detection module, a 4-power supply module, a 401-charging management circuit, a 402-battery, a 403-power supply circuit, a 404-low voltage detection circuit, a 5-charging interface, a 6-vibration part and a 7-LCD display part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a temperature control circuit, as shown in fig. 1, control circuit includes MCU control module 1, the module 2 that generates heat of being connected with MCU control module 1, the temperature detection module 3 of being connected with MCU control module 1, and be MCU control module 1, the power module 4 of the power supply of module 2 and temperature detection module 3 that generates heat, wherein, power module 4 includes charging management circuit 401, the battery 402 of being connected with charging management circuit 401, the power supply circuit 403 of being connected with battery 402, and the low-voltage detection circuit 404 of being connected with power supply circuit 403; the charging management circuit 401, the power supply circuit 403 and the low voltage detection circuit 404 are all connected to the MCU control module 1.
The charging management circuit 401 in this embodiment is used for charging the battery 402, the input of the charging management circuit 401 should be connected to the charging interface 5, the input voltage of the charging interface 5 is generally 5V direct current, the outside of the charging interface 5 can also be connected to alternating current 220V commercial power through a power adapter, the 5V direct current is finally output through conversion of the power adapter and is accessed to the charging management circuit 401 through the charging interface 5, and the charging management circuit 401 processes the voltage to realize charging of the battery 402. The battery 402 in this embodiment is used for storing electric energy and supplying electric energy to the entire circuit when no external voltage is applied, and specifically, the voltage output value of the battery 402 in this embodiment is set to 4.2V. The present embodiment does not limit the product type of the battery 402, and is preferably implemented by a lithium battery with excellent performance. The power supply circuit 403 of the present embodiment is connected to the battery 402, and is configured to output a current or a voltage meeting the requirement to power other modules. The low voltage detection circuit 404 in this embodiment is configured to detect whether the voltage of the battery 402 is low, and send the detection result to the MCU control module 1. The charging management circuit 401, the power supply circuit 403 and the low voltage detection circuit 404 are all connected to the MCU control module 1, the MCU control module 1 can obtain the working information of the charging management circuit 401, the power supply circuit 403 and the low voltage detection circuit 404, and the MCU control module 1 controls and manages other modules according to a control program written in advance.
Specifically, as shown in fig. 2, the charging management circuit 401 of the embodiment of the present invention includes a charging chip U1, a resistor R1, a resistor R2, a resistor R3, and a resistor R4, wherein: the VCC terminal of the charging chip U1 is connected with the charging interface P1, the PROG terminal of the charging chip U1 is connected with one end of a resistor R4, the CHRG terminal of the charging chip U1 is connected with the MCU control module, the CHRG terminal is connected with the VCC terminal through a resistor R3, the BAT terminal of the charging chip U1 is connected with the positive electrode of the battery, and the GND terminal of the charging chip U1 is grounded; the resistor R1 is connected with the resistor R2 in series, one end of the resistor R1 is connected with the charging interface P1, and the other end of the resistor R1 is connected with the MCU control module; the other end of the resistor R2 is grounded; the other end of the resistor R4 is grounded. The charging chip U1 in this embodiment is preferably implemented by a tp4056 chip, and may also be implemented by a tp4054 chip, and when other chips are used, a person skilled in the art can determine a connection manner of pins corresponding to the chip through product description of each chip, so details are not described here. The utility model discloses charge management circuit 401 can prevent to overflow in the twinkling of an eye, protects battery 402.
The present embodiment does not limit the product parameters of the above electrical components, and as a preferable mode, the resistance of the resistor R1 is 100K Ω, the resistance of the resistor R2 is 10K Ω, the resistance of the resistor R3 is 3K Ω, and the resistance of the resistor R4 is 10K Ω. Those skilled in the art can adjust the product parameters of each electrical component according to the working experience, and this embodiment is not limited.
Specifically, as shown in fig. 2, the power supply circuit 403 of the embodiment of the present invention includes a capacitor C1, a capacitor C2, a capacitor E1, a diode D1, a switch SW, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a transistor Q1, and a transistor Q2, wherein: one end of the capacitor C1 is connected with the positive electrode of the battery, and the other end is grounded; the cathode of the diode D1 is connected with the anode of the battery, and the anode of the diode D1 is grounded; a first terminal of the switch SW is connected with the positive electrode of the battery, and a second terminal of the switch SW is connected with the charging interface P1; one end of the resistor R6 is connected with the second terminal of the switch SW, and the other end is grounded; the base B of the triode Q is connected with the emitter E of the triode Q1 through a resistor R5, the base B of the triode Q1 is also connected with the collector C of the triode Q2 through a resistor R8, the collector C of the triode Q1 is connected with a low-voltage detection circuit, and the emitter E of the triode Q1 is connected with the positive pole of the battery; the base B of the triode Q2 is connected with the charging interface P1 through a resistor R7, and the emitter E of the triode Q2 is grounded; one end of the resistor R9 is connected with the collector C of the triode Q1, and the other end of the resistor R9 is connected with the MCU control module; the resistor R10 is connected with the capacitor C2 in parallel, one end of the resistor R10 is connected with the other end of the resistor R9, and the other end of the resistor R10 is grounded; the positive electrode of the capacitor E1 is connected with the collector C of the triode Q1, and the negative electrode is grounded; the resistor R11 is connected to the collector C of the transistor Q1, and the other end is grounded.
The capacitor C1 in this embodiment functions as a filter and a de-interference in the power supply circuit 403, and the unidirectional conduction characteristic of the diode D1 protects the battery 402. The switch SW is a normally open switch, when the charging interface P1 has an external +5V voltage, the voltage of the battery 402 is 4.2V, the state of the switch SW is an open state, and the states of the triode Q1 and the triode Q2 are respectively short-circuit and conduction; when the charging interface P1 has no external +5V voltage, it is in an open state. The capacitor E1 is a polar capacitor, the positive electrode of which is connected to the collector C of the transistor Q1, and the negative electrode of which is grounded, and the capacitor E1 plays a role of anti-magnetic interference in the power supply circuit 403.
In the present embodiment, the product parameters of the above electrical components are not limited, and as a preferable mode, in the present embodiment, the capacitance C1 and the capacitance C2 are 104pF, the capacitance E1 is 140Up/10V, the resistance R5 is 220 Ω, the resistance R6 is 470 Ω, the resistance R7 is 4K Ω, the resistance R8 is 10K Ω, the resistance R9 is 560 Ω, the resistance R10 is 300K Ω, and the resistance R11 is 470 Ω. Those skilled in the art can adjust the product parameters of each electrical component according to the working experience, and this embodiment is not limited.
Specifically, as shown in fig. 2, the MCU control module 1 of the embodiment of the present invention includes a control chip U2 and a switch S1, wherein: the VDD terminal of the control chip U2 is connected with +3.0V voltage, and the GND terminal is grounded; the I/O terminal of the control chip U2 is connected to the charging management circuit 401, the power supply circuit 403, the low voltage detection circuit 404, the temperature detection module 3, and the heating module 2; one end of the switch S1 is connected to the I/O terminal of the control chip U2, and the other end is grounded. The control chip U2 in this embodiment preferably uses an EM78P481 chip, the PA0 to PA7 pins, the PB0 to PB7 pins, and the PC0 to PC5 pins of which all belong to I/O terminals, the charging management circuit 401, the power supply circuit 403, the low voltage detection circuit 404, the temperature detection module 3, and the heat generation module 2 should be connected to these I/O terminals, respectively, and each pin corresponds to information obtained or output by the pin when the control program of the control chip U2 is written. The switch S1 is used to identify the state of the circuit for which the voltage control is being used.
Specifically, as shown in fig. 2, the low voltage detection circuit of the embodiment of the present invention includes a detection chip U3, a resistor R12, a potentiometer VR, a capacitor C3, and a capacitor C4, wherein: the Vin terminal of the detection chip U3 is connected with the collector C of the triode Q1, the Vout terminal of the detection chip U3 outputs +3.0V voltage, and the GDN terminal of the detection chip U3 is grounded; one end of the resistor R12 is connected with the Vout terminal, and the other end is connected with the potentiometer VR; the potentiometer VR is connected with the capacitor C4 in parallel, and the output end of the potentiometer VR is connected with the I/O terminal of the control chip U2; one end of the capacitor C4 is connected with the other end of the resistor R12, and the other end is grounded; the capacitor C3 has one end connected to the Vout terminal and the other end connected to ground. In this embodiment, the detection chip U3 is a HT7550 voltage regulator chip, and the output voltage of the detection chip is 3V, which provides the working voltage for the VDD terminal of the control chip U2. The potentiometer VR adjusts the resistance value of the access circuit by changing the position of the output end, and the adjustment of the vibration force of the vibration part in the later embodiment is realized.
The present embodiment is not limited to the above product parameters of the electrical components, and as a preferable mode, the resistor R12 is 10K Ω, the potentiometer VR is 10K Ω, the capacitor C3 is 106pF, and the capacitor C4 is 104 pF.
Specifically, as shown in fig. 2, the heating module 2 of the embodiment of the present invention includes a heating wire R, a field effect transistor Q3, and a resistor R13, wherein: the grid G of the field effect transistor Q3 is connected with the I/O terminal of the control chip U2 through a resistor R13, the drain D of the field effect transistor Q3 is connected with the anode of the battery through a heating wire R, and the source S of the field effect transistor Q3 is grounded. The I/O terminal of the control chip U2 outputs a voltage signal to control the voltage value of the grid G of the field effect transistor Q3, and then the working state of the heating wire R is controlled through the on or off state of the field effect transistor Q3, so that the temperature is adjusted, meanwhile, the temperature detection module 3 can detect the temperature of the environment where the heating wire R is located, and sends detection information to the control chip U2, if the environment temperature exceeds a set value, the I/O terminal of the control chip U2 outputs the voltage signal to enable the field effect transistor Q3 to be turned off, the heating wire R does not heat any more, and the temperature is adjusted and controlled within a certain range, so that the requirements of users are met.
The present embodiment does not limit the product parameters of the above electrical components, and as a preferable mode, the resistance R13 in the present embodiment is 470 Ω.
Specifically, as shown in fig. 2, the charging management circuit of the embodiment of the present invention further includes a diode D2, the anode of the diode D2 is connected to the charging interface P1, and the cathode is connected to the VCC terminal of the charging chip U1. The diode D2 has a unidirectional conduction function, so that damage to the battery 402 and other electrical elements caused by reverse voltage connection of the charging interface P1 can be avoided, and safe operation of the circuit is guaranteed.
Specifically, as shown in fig. 2, the MCU control module 1 of the embodiment of the present invention further includes a capacitor C5, one end of the capacitor C5 is connected to the VDD terminal of the control chip U2, and the other end is grounded. The capacitor C5 realizes the power supply detection of the control chip U2, and the capacitance of the capacitor C5 in this embodiment is 104 pF.
The utility model discloses a temperature control circuit has realized the measuring of temperature and the regulatory function of temperature, still possesses perfect supply circuit simultaneously, makes whole temperature control circuit's working process more reliable and more stable, and the range of application is extensive.
The utility model also provides a vibrating spear, this vibrating spear includes the shell, places vibrations part 6 and the temperature control circuit that the embodiment provided as above in the shell inside, vibrations part 6 is connected with temperature control circuit, as shown in fig. 3 and fig. 4, vibrations part 6 includes motor M, electric capacity C6, diode D3, field effect transistor Q4 and resistance R14; the grid G of the field-effect transistor Q4 is connected with the MCU control module 1 through a resistor R13, the drain D of the field-effect transistor Q4 is connected with the negative electrode of the motor M, and the source S of the field-effect transistor Q4 is grounded; the positive pole of the motor M is connected with the positive pole of the battery; the capacitor C6 is connected in parallel with the motor M; the diode D3 is connected in parallel with the motor M, and the anode of the diode D3 is connected to the cathode of the motor M. The gate G of the field effect transistor Q4 in this embodiment is connected to the I/O terminal of the control chip U2 through the resistor R13, and the I/O terminal of the control chip U2 outputs a voltage signal to control the voltage value of the gate G of the field effect transistor Q4, so as to control the operating state of the motor M through the on or off state of the field effect transistor Q4, thereby realizing the control of the vibration state of the vibration rod. In this embodiment, the product parameters of the motor M are not specifically limited, and in order to improve the user experience, the rotation speed 6500 of the motor RE-260 and 19120 is adopted. The parallel connection part of the capacitor C6 and the diode D3 in the embodiment can protect the motor M and prevent the motor M from being damaged by sudden voltage change.
The present embodiment does not limit the product parameters of the above electrical components, and as a preferable mode, the resistance R14 in the present embodiment is 470 Ω.
When the temperature control circuit in the embodiment is applied to the vibration rod, a temperature value range which accords with the temperature in the human body can be set, and the best experience is provided for a user. The control chip U2 controls the working state of the heating module 2 according to the temperature detection value of the temperature detection module 3 to ensure that the temperature of the vibrating rod tends to be constant.
Specifically, as shown in fig. 3 and 4, the vibration rod of the embodiment of the present invention further includes an LCD display component 7, the LCD display component 7 is installed on the housing, and is connected to the temperature control circuit, wherein: the LCD display part 7 comprises an LCD display chip and a resistor R15, the DS1 terminal of the LCD display chip is grounded, and the LCD terminal is connected with the MCU control module 1 through the resistor R17. Preferably, the display screen of the LCD display chip in this embodiment adopts a positive-type semi-transparent mode, the working voltage is 3.0V, and the driving mode is 1/4 DUTY; 1/3BIAS, the working temperature is 0-50 deg. The LCD display chip can display the temperature of the vibration rod, the electric quantity of the battery 402 and the working states of other components and the like through the control of the MCU control module 1, so that the visual function of the vibration rod is realized.
The present embodiment does not limit the product parameters of the above electrical components, and as a preferable mode, the resistance value of the resistor R15 in the present embodiment is 10K Ω.
The vibration rod provided by the embodiment of the utility model realizes the functions of constant temperature and adjustable temperature of the vibration rod by combining the temperature control circuit, and further improves the experience of users on the basis of realizing the vibration function; LCD display element has realized the visual function of vibrting spear, shows the relevant information of vibrting spear, makes the user can audio-visually acquire the operating condition of vibrting spear, makes the vibrting spear more intelligent, and the function is more comprehensive.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (10)
1. A temperature control circuit is characterized in that the control circuit comprises an MCU control module, a heating module connected with the MCU control module, a temperature detection module connected with the MCU control module, and a power supply module for supplying power to the MCU control module, the heating module and the temperature detection module,
the power supply module comprises a charging management circuit, a battery connected with the charging management circuit, a power supply circuit connected with the battery, and a low-voltage detection circuit connected with the power supply circuit; the charging management circuit, the power supply circuit and the low-voltage detection circuit are all connected with the MCU control module.
2. The temperature control circuit of claim 1, wherein the charge management circuit comprises a charging chip U1, a resistor R1, a resistor R2, a resistor R3, and a resistor R4, wherein:
the VCC terminal of the charging chip U1 is connected with a charging interface P1, the PROG terminal of the charging chip U1 is connected with one end of a resistor R4, the CHRG terminal of the charging chip U1 is connected with the MCU control module, the CHRG terminal is connected with the VCC terminal through a resistor R3, the BAT terminal of the charging chip U1 is connected with the positive electrode of the battery, and the GND terminal of the charging chip U1 is grounded; the resistor R1 is connected with the resistor R2 in series, one end of the resistor R1 is connected with the charging interface P1, and the other end of the resistor R1 is connected with the MCU control module; the other end of the resistor R2 is grounded; the other end of the resistor R4 is grounded.
3. The temperature control circuit of claim 2, wherein the power supply circuit comprises a capacitor C1, a capacitor C2, a capacitor E1, a diode D1, a switch SW, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a transistor Q1 and a transistor Q2, wherein:
one end of the capacitor C1 is connected with the anode of the battery, and the other end of the capacitor C1 is grounded; the cathode of the diode D1 is connected with the anode of the battery, and the anode of the diode D1 is grounded; a first terminal of the switch SW is connected to the positive electrode of the battery, and a second terminal of the switch SW is connected to the charging interface P1; one end of the resistor R6 is connected with the second terminal of the switch SW, and the other end is grounded;
the base B of the triode Q is connected with the emitter E of the triode Q1 through the resistor R5, the base B of the triode Q1 is also connected with the collector C of the triode Q2 through the resistor R8, the collector C of the triode Q1 is connected with the low-voltage detection circuit, and the emitter E of the triode Q1 is connected with the positive electrode of the battery; the base B of the triode Q2 is connected with the charging interface P1 through the resistor R7, and the emitter E of the triode Q2 is grounded;
one end of the resistor R9 is connected with the collector C of the triode Q1, and the other end of the resistor R9 is connected with the MCU control module; the resistor R10 is connected with the capacitor C2 in parallel, one end of the resistor R10 is connected with the other end of the resistor R9, and the other end of the resistor R10 is grounded; the positive electrode of the capacitor E1 is connected with the collector C of the triode Q1, and the negative electrode of the capacitor E1 is grounded; the resistor R11 is connected with the collector C of the triode Q1, and the other end of the resistor R11 is grounded.
4. The temperature control circuit of claim 3, wherein the MCU control module comprises a control chip U2 and a switch S1, wherein:
the VDD terminal of the control chip U2 is connected with +3.0V voltage, and the GND terminal is grounded; the I/O terminal of the control chip U2 is connected with the charging management circuit, the power supply circuit, the low-voltage detection circuit, the temperature detection module and the heating module;
one end of the switch S1 is connected with the I/O terminal of the control chip U2, and the other end is grounded.
5. The temperature control circuit of claim 4, wherein the low voltage detection circuit comprises a detection chip U3, a resistor R12, a potentiometer VR, a capacitor C3 and a capacitor C4, wherein:
the Vin terminal of the detection chip U3 is connected with the collector C of the triode Q1, the Vout terminal of the detection chip U3 outputs +3.0V voltage, and the GDN terminal of the detection chip U3 is grounded; one end of the resistor R12 is connected with the Vout terminal, and the other end is connected with the potentiometer VR; the potentiometer VR is connected with the capacitor C4 in parallel, and the output end of the potentiometer VR is connected with the I/O terminal of the control chip U2; one end of the capacitor C4 is connected with the other end of the resistor R12, and the other end of the capacitor C4 is grounded; the capacitor C3 has one end connected to the Vout terminal and the other end grounded.
6. The temperature control circuit of claim 5, wherein the heat generating module comprises a heater R, a FET Q3, and a resistor R13, wherein:
the grid G of the field effect transistor Q3 is connected with the I/O terminal of the control chip U2 through the resistor R13, the drain D of the field effect transistor Q3 is connected with the anode of the battery through the heating wire R, and the source S of the field effect transistor Q3 is grounded.
7. The temperature control circuit as claimed in claim 2, wherein the charging management circuit further comprises a diode D2, the anode of the diode D2 is connected to the charging interface P1, and the cathode is connected to the VCC terminal of the charging chip U1.
8. The temperature control circuit of claim 4, wherein the MCU control module further comprises a capacitor C5, one end of the capacitor C5 is connected to the VDD terminal of the control chip U2, and the other end is grounded.
9. A vibrator rod comprising a housing, a vibration member disposed within the housing and a temperature control circuit as claimed in any one of claims 1 to 8, the vibration member being connected to the temperature control circuit, wherein:
the vibration component comprises a motor M, a capacitor C6, a diode D3, a field effect transistor Q4 and a resistor R14; the grid G of the field effect transistor Q4 is connected with the MCU control module through the resistor R13, the drain D of the field effect transistor Q4 is connected with the negative electrode of the motor M, and the source S of the field effect transistor Q4 is grounded; the positive electrode of the motor M is connected with the positive electrode of the battery; the capacitor C6 is connected in parallel with the motor M; the diode D3 is connected in parallel with the motor M, and the anode of the diode D3 is connected with the cathode of the motor M.
10. The vibrator according to claim 9, further comprising an LCD display unit mounted on the housing and connected to the temperature control circuit, wherein:
the LCD display part comprises an LCD display chip and a resistor R15, the DS1 terminal of the LCD display chip is grounded, and the LCD terminal is connected with the MCU control module through the resistor R17.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921771284.9U CN210924299U (en) | 2019-10-22 | 2019-10-22 | Temperature control circuit and vibrating spear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921771284.9U CN210924299U (en) | 2019-10-22 | 2019-10-22 | Temperature control circuit and vibrating spear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580070A (en) * | 2019-10-22 | 2019-12-17 | 揭阳市顺资电子实业有限公司 | Temperature control circuit and vibrating spear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580070A (en) * | 2019-10-22 | 2019-12-17 | 揭阳市顺资电子实业有限公司 | Temperature control circuit and vibrating spear |
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