CN212694296U - Radio frequency therapeutic instrument - Google Patents
Radio frequency therapeutic instrument Download PDFInfo
- Publication number
- CN212694296U CN212694296U CN202021868483.4U CN202021868483U CN212694296U CN 212694296 U CN212694296 U CN 212694296U CN 202021868483 U CN202021868483 U CN 202021868483U CN 212694296 U CN212694296 U CN 212694296U
- Authority
- CN
- China
- Prior art keywords
- humidity
- circuit
- temperature
- resistor
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The application relates to a radio frequency therapeutic apparatus, which comprises a machine body, wherein a drying part is arranged on the machine body, and the drying part comprises a fan and a motor for controlling the fan; the humidity detection module is used for detecting the humidity of the surface of the machine body and outputting a corresponding humidity detection signal; and the control module responds to the humidity detection signal and controls the on-off of the motor. This application has the effect of being convenient for improve the dry speed of organism.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a radio frequency therapeutic apparatus.
Background
The radio frequency therapeutic apparatus utilizes low-frequency electromagnetic waves to act on pathological change tissues of a human body, water molecules with polarity in the tissues move at a high speed to generate heat, protein is solidified at a low temperature to lose activity, and finally the protein falls off under the action of organism rejection, so that the therapeutic purpose is achieved. The radio frequency generates radio frequency waves at a specific subcutaneous depth, the radio frequency waves act on water molecules in the collagen, bipolar water molecules vibrate and rotate at a high speed, and heat is generated through friction, so that the effect of heating the dermal collagen is achieved.
In order to minimize the risk of infection to the human body, the radio frequency treatment apparatus needs to be cleaned immediately after each use, but the cleaned body must be completely dried before power can be applied, and the apparatus must be dried before storage.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that when the therapeutic apparatus needs to be continuously used, a certain time is required for the cleaned apparatus body to be completely dried, and thus the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the drying speed of organism, this application provides a radio frequency therapeutic instrument.
The application provides a radio frequency therapeutic instrument adopts following technical scheme:
a radio frequency therapeutic apparatus comprises a machine body, wherein a drying piece is arranged on the machine body and comprises a fan and a motor for controlling the fan;
the humidity detection module is used for detecting the humidity of the surface of the machine body and outputting a corresponding humidity detection signal;
and the control module responds to the humidity detection signal and controls the on-off of the motor.
Through adopting above-mentioned technical scheme, feedback humidity detected signal when humidity detection module detects the organism surface and not dry yet gives control module, and control module responds humidity detected signal and control motor and starts, and then the drive fan begins to rotate, and then has the speed of being convenient for improve the organism drying through the flow that accelerates the wind speed.
Preferably, the humidity detection module comprises a humidity acquisition circuit, a humidity reference value input circuit and a first comparison circuit;
the humidity acquisition circuit is used for acquiring the humidity of the surface of the machine body and outputting a humidity signal;
a humidity reference value input circuit for providing a humidity reference value signal;
and a first input end of the first comparison circuit is connected with the humidity acquisition circuit to receive the humidity signal, a second input end of the first comparison circuit is connected with the humidity reference value input circuit to receive the humidity reference value signal, and an output end of the first comparison circuit outputs the humidity detection signal.
Through adopting above-mentioned technical scheme, after humidity acquisition circuit gathered organism surperficial humidity with humidity signal input first comparator and compare with humidity reference value input circuit, then will obtain humidity detection signal input control module control motor open and close to have the effect of being convenient for detect organism surperficial humidity.
Preferably, the humidity acquisition circuit comprises a first voltage division resistor R1 and a humidity sensitive resistor RS;
the first voltage division resistor R1 and the humidity-sensitive resistor RS are connected in series in the power supply loop, the other end of the first voltage division resistor R1 far away from the humidity-sensitive resistor RS is connected with a power supply VCC, one end of the humidity-sensitive resistor RS far away from the first voltage division resistor R1 is grounded, and a connection node between the first voltage division resistor R1 and the humidity-sensitive resistor RS is connected with a first input end of the first comparison circuit.
By adopting the technical scheme, the connection node of the first divider resistor R1 and the humidity sensitive resistor RS is connected with the first input end of the first comparison circuit, and the resistance value of the humidity sensitive resistor RS changes according to the change of humidity, so that the voltage at the connection node of the first divider resistor R1 and the humidity sensitive resistor RS can change according to the change of the surface humidity of the body, and the effect of reflecting the change of the surface humidity of the body to the change of the voltage of the humidity acquisition circuit is achieved.
Preferably, the control module comprises a switching circuit;
the input end of the switch circuit is connected with the output end of the humidity detection module to receive a humidity detection signal, the output end of the switch circuit is connected with the negative pole of the motor to control the opening and closing of the motor, and the grounding end of the switch circuit is grounded.
Through adopting above-mentioned technical scheme, when detecting that the humidity value on organism surface is greater than the humidity value that sets up in advance, switch circuit switches on, and then the motor starts and has the effect that the start-up fan bloied to the organism surface.
Preferably, the control module further comprises a heating circuit and a delay circuit;
the heating circuit comprises a second NPN triode Q2, a first contactor KM and a heating device, and the delay circuit comprises a time relay KT;
the base electrode of the second NPN triode Q2 is connected with the output end of the humidity detection module, the collector electrode of the second NPN triode Q2 is connected with one end of the coil of the first contactor KM, the other end of the coil of the first contactor KM is connected with the coil of the time relay KT, one end, far away from the coil of the first contactor KM, of the time relay KT is connected with a power supply VCC, and the emitter electrode of the second NPN triode Q2 is grounded;
one end of a contact of the first contactor KM is connected with a power supply VCC, the other end of the contact of the first contactor KM is connected with a heating device, and one end, far away from the contact of the first contactor KM, of the heating device is grounded;
one end of the contact of the time relay KT is connected with a power supply VCC, and the other end of the contact of the time relay KT is connected with the input end of the switch circuit.
Through adopting above-mentioned technical scheme, when the humidity of machine body surface is greater than the humidity value that sets up in advance, humidity detection module output high level, and then the second NPN triode Q2 that base and humidity detection module are connected switches on, and then the coil circular telegram of first contactor KM and with the contact actuation of first contact coil, and then for heating device circular telegram themogenesis, just move after time relay KT passes through a period of time delay after second NPN triode Q2 switches on, because time relay KT is connected with the switch circuit who controls the motor and opens and close, thereby when needing to drying to the machine body surface, the motor starts after heating device heats a period, and then the motor begins work and with the heat dispersion that heating device produced to the machine body surface, thereby have the effect of drying to the hot-blast of machine body surface.
Preferably, the control module further includes a first switch S, and an emitter of the second NPN transistor Q2 is grounded through the first switch S.
Through adopting above-mentioned technical scheme, when need not dry to moist organism surface, through opening and shutting of control first switch S to whether have the effect of being convenient for staff control heating device and motor work.
Preferably, the temperature detection device further comprises a temperature detection module, wherein the temperature detection module comprises a temperature acquisition circuit, a temperature reference value input circuit and a second comparison circuit;
the temperature acquisition circuit is used for acquiring the surface temperature of the machine body and outputting a temperature signal;
a temperature reference value input circuit for providing a temperature reference value signal;
the first input end of the second comparison circuit is connected with the temperature acquisition circuit to receive the temperature signal, the second input end of the second comparison circuit is connected with the temperature reference value input circuit to receive the temperature reference value signal, and the output end of the second comparison circuit outputs the temperature detection signal;
the control module further comprises a judging circuit, two output ends of the judging circuit are respectively connected with the output ends of the humidity detection module and the temperature detection module, and the output end of the judging circuit is connected with the input end of the heating circuit.
Through adopting above-mentioned technical scheme, because blow hot-blast messenger's organism temperature value to organism surface and rise, for making the temperature not influence the normal use of organism internal circuit, detect the temperature on organism surface through setting up temperature detection module, then judge humidity detected signal and temperature detection limit number through judging the circuit, when humidity surpassed predetermined humidity value and temperature and is less than predetermined temperature value, start heating device and motor and heat the organism and weather, and when organism surface is moist but organism surface's temperature is greater than predetermined temperature value, close heating device and motor, and then have the effect of protecting the organism to a certain extent.
Preferably, the temperature acquisition circuit comprises a second voltage division resistor R2 and a thermistor RT;
the second voltage-dividing resistor R2 and the thermistor RT are connected in series in the power supply loop, the other end of the second voltage-dividing resistor R2 far away from the thermistor RT is connected with the power supply VCC, one end of the thermistor RT far away from the second voltage-dividing resistor R2 is grounded, and the connecting node between the second voltage-dividing resistor R2 and the thermistor RT is connected with the first input end of the second comparison circuit.
By adopting the technical scheme, the resistance value of the thermistor RT changes according to the change of the temperature, and then the voltage at the connection node of the second voltage divider resistor R2 and the thermistor RT can change according to the change of the body surface temperature value, so that the effect of reflecting the change of the body surface temperature to the change of the voltage in the temperature acquisition circuit is achieved.
Preferably, the judging circuit comprises a first inverter T1 and an and gate T2;
the input end of the first inverter T1 is connected with the output end of the temperature detection module, the output end of the first inverter T1 is connected with one input end of the AND gate T2, and the other input end of the AND gate T2 is connected with the output end of the humidity detection module.
Through adopting above-mentioned technical scheme, judge temperature detect signal and humidity detect signal through setting up first phase inverter T1 and AND gate T2 to have and satisfy just making heating device and motor be in operating condition when humidity exceeds predetermined humidity value and temperature is less than predetermined temperature value.
Preferably, the device further comprises an indicating module, wherein the indicating module comprises a light emitting diode D1 and a third NPN transistor Q3;
the anode of the light emitting diode D1 is connected with a power supply VCC, and the cathode of the light emitting diode D1 is connected with the collector of the third NPN triode Q3;
the base of the third NPN triode Q3 is connected to the output terminal of the humidity detection module, and the emitter thereof is grounded.
Through adopting above-mentioned technical scheme, through setting up the instruction module, when the humidity of organism surface exceeded the humidity value that sets up in advance, third NPN triode Q3 switched on, and then emitting diode D1 is luminous to have the effect of being convenient for arouse staff's attention.
In summary, the present application includes at least one of the following beneficial technical effects:
the humidity detection module feeds back a humidity detection signal to the control module when detecting that the surface of the machine body is not dried, the control module responds to the humidity detection signal and controls the motor to start, so that the fan is driven to start rotating, and the drying speed of the machine body is improved conveniently by accelerating the flow of the wind speed;
when the wet machine body surface does not need to be dried, the first switch S is switched off, so that the effect of facilitating the control of whether the heating device and the motor work or not by a worker is achieved;
through setting up the instruction module, when the humidity of organism surface exceeded the humidity value that sets up in advance, third NPN triode Q3 switched on, and then emitting diode D1 is luminous to have the effect that is convenient for arouse staff's attention.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a main circuit diagram of an embodiment of the present application.
FIG. 3 is a schematic diagram illustrating a humidity detection module according to an embodiment of the present application.
Fig. 4 is a schematic diagram for showing a temperature detection module according to an embodiment of the present application.
FIG. 5 is a schematic diagram for showing a control module according to an embodiment of the present application.
Description of reference numerals: 1. a body; 11. drying the workpiece; 111. a fan; 112. a motor; 12. an electric heating wire; 13. a support frame; 101. a humidity detection module; 1011. a humidity acquisition circuit; 1012. a humidity reference value input circuit; 1013. a first comparison circuit; 102. a temperature detection module; 1021. a temperature acquisition circuit; 1022. a temperature reference value input circuit; 1023. a second comparison circuit; 103. a control module; 1031. a switching circuit; 1032. a heating circuit; 1033. a delay circuit; 1034. a judgment circuit; 104. and indicating the module.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a radio frequency therapeutic apparatus. Referring to fig. 1 and 2, a radio frequency therapeutic apparatus includes a machine body 1, a drying part 11 is disposed on the machine body 1, the drying part 11 includes a fan 111 and a motor 112 for controlling the fan 111, a support frame 13 is disposed on the machine body 1, the fan 111 is horizontally disposed on the support frame 13, and the fan 111 is located above the machine body 1; also included are a humidity detection module 101, a temperature detection module 102, a control module 103, and an indication module 104.
Referring to fig. 2 and 3, the humidity detection module 101 is configured to detect humidity on the surface of the body 1 and output a corresponding humidity detection signal, the humidity detection module 101 includes a humidity acquisition circuit 1011, a humidity reference value input circuit 1012 and a first comparison circuit 1013, the humidity acquisition circuit 1011 is configured to acquire humidity on the surface of the body 1 and output a humidity signal, the humidity reference value input circuit 1012 is configured to provide a humidity reference value signal, and the first comparison circuit 1013 compares the humidity signal with the humidity reference value signal and outputs the humidity detection signal.
Referring to fig. 3, the humidity acquisition circuit 1011 includes a first voltage dividing resistor R1 and a humidity-sensitive resistor RS, the first voltage dividing resistor R1 and the humidity-sensitive resistor RS are connected in series in the power supply loop, the other end of the first voltage dividing resistor R1 far away from the humidity-sensitive resistor RS is connected to a power supply VCC, and one end of the humidity-sensitive resistor RS far away from the first voltage dividing resistor R1 is grounded; the humidity reference value input circuit 1012 includes a first resistor R11, a second resistor R12, and a third resistor R13, the first resistor R11 is connected in series with the second resistor R12, the other end of the first resistor R11 is connected to the power supply VCC, the other end of the second resistor R12 is grounded, and one end of the third resistor R13 is connected to a connection node of the first resistor R11 and the second resistor R12; the first comparison circuit 1013 in this example uses a first voltage comparator N1, a positive input terminal of the first voltage comparator N1 being connected to the connection node between the first voltage-dividing resistor R1 and the humidity-sensitive resistor RS, and a negative input terminal of the first voltage comparator N1 being connected to the other end of the third resistor R13.
Since the resistance value of the humidity-sensitive resistor RS changes according to the change of humidity, the humidity signal at the connection node of the first voltage-dividing resistor R1 and the humidity-sensitive resistor RS can change according to the change of the surface humidity value of the body 1; the humidity reference value signal may be previously set by changing the resistance value of the resistor in the humidity reference value input circuit 1012, and then the humidity signal and the humidity reference value signal are compared by the first voltage comparator N1, and the first voltage comparator N1 outputs a high level when the humidity signal is greater than the humidity reference value signal, and the first voltage comparator N1 outputs a low level when the humidity signal is less than the humidity reference value signal.
Referring to fig. 2 and 4, the temperature detection module 102 is configured to detect a temperature of a surface of the body 1 and output a corresponding temperature detection signal, the temperature detection module 102 includes a temperature acquisition circuit 1021, a temperature reference value input circuit 1022, and a second comparison circuit 1023, where the temperature acquisition circuit 1021 is configured to acquire the temperature of the surface of the body 1 and output a temperature signal, the temperature reference value input circuit 1022 is configured to provide a temperature reference value signal, and the second comparison circuit 1023 compares the temperature signal with the temperature reference value signal and outputs the temperature detection signal.
Referring to fig. 4, the temperature acquiring circuit 1021 includes a second voltage dividing resistor R2 and a thermistor RT, the second voltage dividing resistor R2 and the thermistor RT are connected in series in the power supply loop, the other end of the second voltage dividing resistor R2 far away from the thermistor RT is connected to the power supply VCC, and one end of the thermistor RT far away from the second voltage dividing resistor R2 is grounded; the temperature reference value input circuit 1022 includes a fourth resistor R21, a fifth resistor R22, and a sixth resistor R23, the fourth resistor R21 is connected in series with the fifth resistor R22, the other end of the fourth resistor R21 is connected to the power supply VCC, the other end of the fifth resistor R22 is grounded, and one end of the sixth resistor R23 is connected to a connection node of the fourth resistor R21 and the fifth resistor R22; the second comparison circuit 1023 uses a second voltage comparator N2, a positive input terminal of the second voltage comparator N2 being connected to a connection node between the second voltage divider resistor R2 and the thermistor RT, and a negative input terminal of the second voltage comparator N2 being connected to the other end of the sixth resistor R23.
Since the resistance value of the thermistor RT changes according to the change of heat, the temperature signal at the connection node of the second voltage divider resistor R2 and the thermistor RT can be changed according to the change of the surface temperature value of the body 1; the temperature reference value signal may be previously set by changing the resistance value of the resistor in the temperature reference value input circuit 1022, and then the temperature signal and the temperature reference value signal are compared by the second voltage comparator N2, and the second voltage comparator N2 outputs a high level when the temperature signal is greater than the temperature reference value signal, and the second voltage comparator N2 outputs a low level when the temperature signal is less than the temperature reference value signal.
Referring to fig. 2 and 5, the control module 103 is configured to respond to the humidity detection signal and control the on/off of the motor 112, and the control module 103 includes a determination circuit 1034, a heating circuit 1032, a delay circuit 1033, and a switch circuit 1031.
Referring to fig. 5, the determining circuit 1034 includes a first inverter T1 and an and gate T2, wherein an input terminal of the first inverter T1 is connected to an output terminal of the temperature detecting module 102, i.e., to an output terminal of the second voltage comparator N2, an output terminal of the first inverter T1 is connected to one input terminal of the and gate T2, and another input terminal of the and gate T2 is connected to an output terminal of the humidity detecting module 101, i.e., to an output terminal of the first voltage comparator N1.
Referring to fig. 5, the control module 103 further includes a heating circuit 1032 and a delay circuit 1033, the heating circuit 1032 includes a second NPN transistor Q2, a first contactor KM and a heating device, the delay circuit 1033 includes a time relay KT, the heating device used in this embodiment is a heating wire 12, the heating wire 12 is horizontally disposed on the support frame 13, and the heating wire 12 is located under the fan 111.
Referring to fig. 5, the base of the second NPN transistor Q2 is connected to the output terminal of the determining circuit 1034, that is, to the output terminal of the and gate T2, the collector thereof is connected to one end of the coil of the first contactor KM, the other end of the coil of the first contactor KM is connected to the coil of the time relay KT, one end of the time relay KT, which is far away from the coil of the first contactor KM, is connected to the power supply VCC, and the emitter of the second NPN transistor Q2 is connected to the first switch S; one end of a contact of the first contactor KM is connected with a power supply VCC, the other end of the contact of the first contactor KM is connected with a heating device, and one end, far away from the contact of the first contactor KM, of the heating device is grounded; one end of the contact of time relay KT is connected with power supply VCC, and the other end of the contact of time relay KT is connected with the input of switch circuit 1031.
Referring to fig. 5, the switching circuit 1031 includes a first NPN transistor, a base of the first NPN transistor is connected to one end of the contact of the time relay KT, which is far from the power supply VCC, a collector of the first NPN transistor is connected to a negative electrode of the motor 112, a positive electrode of the motor 112 is connected to the driving power supply VCC1, an emitter of the first NPN transistor is connected to one end of the protection resistor R3, and the other end of the protection resistor R3 is grounded.
Referring to fig. 2, the indication module 104 includes a light emitting diode D1 and a third NPN transistor Q3, an anode of the light emitting diode D1 is connected to the power supply VCC, a cathode of the light emitting diode D1 is connected to a collector of the third NPN transistor Q3, a base of the third NPN transistor Q3 is connected to an output terminal of the humidity detection module 101, i.e., an output terminal of the first voltage comparator N1, and an emitter of the third NPN transistor Q3 is grounded.
The humidity sensitive resistor RS and the thermistor RT are installed on the wall body of the machine body 1, the surface of the machine body 1 after cleaning can be continuously wetted for a period of time, and the humidity sensitive resistor RS changes resistance values according to the humidity of the surface of the machine body 1, so that a humidity signal changes.
When the humidity signal is greater than the preset humidity reference value signal, the humidity detection signal output by the first voltage comparator N1 is at a high level, and further indicates that the base of the third NPN transistor Q3 of the module 104 is at a high level, so that the third NPN transistor Q3 is turned on, and the circuit of the light emitting diode D1 is turned on, and the light emitted from the light emitting diode D1 attracts attention of a worker.
When the humidity signal is greater than a preset humidity reference value signal and the temperature signal is less than a temperature reference value signal, the temperature detection signal output by the second voltage comparator N2 is at a low level, the low level output by the second voltage comparator N2 is at a high level after being inverted by the first inverter T1, the humidity detection signal and the temperature detection signal which are at the high level are connected to the and gate T2, the base of the second NPN triode Q2 is at the high level through the output end of the and gate T2 so as to conduct the second NPN triode Q2, at the moment, the coil of the first contactor KM is electrified and attracts the contact of the first contact coil, so that the power supply circuit of the electric heating wire 12 is conducted; meanwhile, a coil of the time relay KT is electrified and is attracted with a contact of the time relay KT, so that a base of the first NPN triode is in a high level and the first NPN triode is conducted, the motor 112 is started and the fan 111 is driven to rotate, the time relay KT has a time delay function, the motor 112 starts to be started after the heating wire 12 is electrified and heated, hot air can be blown to the surface of the wet machine body 1 for drying, the drying speed of the machine body can be increased conveniently, and if a worker does not need to dry the surface of the machine body 1, the heating wire 12 and the motor 112 can be closed to work by opening the first switch S.
After hot air is blown to the surface of the machine body 1, if the temperature signal on the surface of the machine body 1 exceeds a preset temperature reference value signal, the temperature detection signal at the output end of the second voltage comparator N2 is at a high level, the temperature detection signal at the high level passes through the first inverter T1 and then at a low level, one input end of the and gate T2 is at a high level, the other input end of the and gate T2 is at a low level, that is, the base current of the second NPN triode Q2 is zero, and the heating wire 12 and the motor 112 do not work.
The implementation principle of the radio frequency therapeutic apparatus in the embodiment of the application is as follows:
when the humidity of the surface of the machine body 1 is less than the humidity set value, the light emitting diode D1 is turned off, and the heating wire 12 and the fan 111 do not work.
When the surface humidity of the machine body 1 is greater than the humidity set value and the surface temperature of the machine body 1 is less than the temperature set value, the light emitting diode D1 continuously emits light, the electric heating wire 12 is powered on to emit heat, and the motor 112 drives the fan 111 to rotate, so as to blow hot air to the machine body 1 for drying, thereby facilitating the improvement of the drying speed of the machine body.
When the humidity of the surface of the machine body 1 is higher than the humidity set value and the temperature of the surface of the machine body 1 is higher than the temperature set value, the light emitting diode D1 continuously emits light, but the heating wire 12 and the motor 112 stop operating.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A radio frequency therapeutic apparatus comprises an apparatus body (1), and is characterized in that: a drying part (11) is arranged on the machine body (1), and the drying part (11) comprises a fan (111) and a motor (112) for controlling the fan (111);
the humidity detection module (101) is used for detecting the humidity on the surface of the machine body (1) and outputting a corresponding humidity detection signal;
and the control module (103) responds to the humidity detection signal and controls the on-off of the motor (112).
2. The rf treatment apparatus of claim 1, wherein: the humidity detection module (101) comprises a humidity acquisition circuit (1011), a humidity reference value input circuit (1012) and a first comparison circuit (1013);
the humidity acquisition circuit (1011) is used for acquiring the humidity on the surface of the machine body (1) and outputting a humidity signal;
a humidity reference value input circuit (1012) for providing a humidity reference value signal;
a first comparison circuit (1013) having a first input connected to the humidity acquisition circuit (1011) for receiving the humidity signal, a second input connected to the humidity reference value input circuit (1012) for receiving the humidity reference value signal, and an output outputting the humidity detection signal.
3. The rf treatment apparatus of claim 2, wherein: the humidity acquisition circuit (1011) comprises a first voltage division resistor R1 and a humidity sensitive resistor RS;
the first voltage division resistor R1 and the humidity-sensitive resistor RS are mutually connected in series in the power supply loop, the other end of the first voltage division resistor R1 far away from the humidity-sensitive resistor RS is connected with the power supply VCC, one end of the humidity-sensitive resistor RS far away from the first voltage division resistor R1 is grounded, and a connecting node between the first voltage division resistor R1 and the humidity-sensitive resistor RS is connected with a first input end of the first comparison circuit (1013).
4. The rf treatment apparatus of claim 1, wherein: the control module (103) comprises a switching circuit (1031);
the input end of the switch circuit (1031) is connected with the output end of the humidity detection module (101) to receive the humidity detection signal, the output end of the switch circuit (1031) is connected with the negative electrode of the motor (112) to control the on and off of the motor (112), and the grounding end of the switch circuit (1031) is grounded.
5. The radio frequency treatment apparatus of claim 4, wherein: the control module (103) further comprises a heating circuit (1032) and a time delay circuit (1033);
the heating circuit (1032) comprises a second NPN triode Q2, a first contactor KM and a heating device, and the time delay circuit (1033) comprises a time relay KT;
the base electrode of the second NPN triode Q2 is connected with the output end of the humidity detection module (101), the collector electrode of the second NPN triode Q2 is connected with one end of the coil of the first contactor KM, the other end of the coil of the first contactor KM is connected with the coil of the time relay KT, one end, far away from the coil of the first contactor KM, of the time relay KT is connected with a power supply VCC, and the emitter electrode of the second NPN triode Q2 is grounded;
one end of a contact of the first contactor KM is connected with a power supply VCC, the other end of the contact of the first contactor KM is connected with a heating device, and one end, far away from the contact of the first contactor KM, of the heating device is grounded;
one end of the contact of the time relay KT is connected with a power supply VCC, and the other end of the contact of the time relay KT is connected with the input end of a switch circuit (1031).
6. The radio frequency treatment apparatus of claim 5, wherein: the control module (103) further comprises a first switch S, and an emitter of the second NPN triode Q2 is grounded through the first switch S.
7. The radio frequency treatment apparatus of claim 5, wherein: the temperature detection circuit further comprises a temperature detection module (102), wherein the temperature detection module (102) comprises a temperature acquisition circuit (1021), a temperature reference value input circuit (1022) and a second comparison circuit (1023);
the temperature acquisition circuit (1021) is used for acquiring the surface temperature of the machine body (1) and outputting a temperature signal;
a temperature reference value input circuit (1022) for providing a temperature reference value signal;
a second comparison circuit (1023), a first input end of which is connected with the temperature acquisition circuit (1021) to receive the temperature signal, a second input end of which is connected with the temperature reference value input circuit (1022) to receive the temperature reference value signal, and an output end of which outputs the temperature detection signal;
the control module (103) further comprises a judging circuit (1034), two output ends of the judging circuit (1034) are respectively connected with output ends of the humidity detection module (101) and the temperature detection module (102), and an output end of the judging circuit (1034) is connected with an input end of the heating circuit (1032).
8. The radio frequency treatment apparatus of claim 7, wherein: the temperature acquisition circuit (1021) comprises a second voltage division resistor R2 and a thermistor RT;
the second voltage-dividing resistor R2 and the thermistor RT are mutually connected in series in the power supply loop, the other end of the second voltage-dividing resistor R2 far away from the thermistor RT is connected with the power supply VCC, one end of the thermistor RT far away from the second voltage-dividing resistor R2 is grounded, and the connecting node between the second voltage-dividing resistor R2 and the thermistor RT is connected with the first input end of the second comparison circuit (1023).
9. The rf treatment apparatus of claim 8, wherein: the judging circuit (1034) comprises a first inverter T1 and an AND gate T2;
the input end of the first inverter T1 is connected with the output end of the temperature detection module (102), the output end of the first inverter T1 is connected with one input end of the AND gate T2, and the other input end of the AND gate T2 is connected with the output end of the humidity detection module (101).
10. The rf treatment apparatus of claim 1, wherein: the LED lamp also comprises an indicating module (104), wherein the indicating module (104) comprises a light-emitting diode D1 and a third NPN triode Q3;
the anode of the light emitting diode D1 is connected with a power supply VCC, and the cathode of the light emitting diode D1 is connected with the collector of the third NPN triode Q3;
the base of the third NPN triode Q3 is connected with the output end of the humidity detection module (101), and the emitter of the third NPN triode Q3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868483.4U CN212694296U (en) | 2020-08-31 | 2020-08-31 | Radio frequency therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868483.4U CN212694296U (en) | 2020-08-31 | 2020-08-31 | Radio frequency therapeutic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212694296U true CN212694296U (en) | 2021-03-12 |
Family
ID=74903159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021868483.4U Active CN212694296U (en) | 2020-08-31 | 2020-08-31 | Radio frequency therapeutic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212694296U (en) |
-
2020
- 2020-08-31 CN CN202021868483.4U patent/CN212694296U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102538047A (en) | Intelligent smoke exhaust ventilator and control method thereof | |
| CN212694296U (en) | Radio frequency therapeutic instrument | |
| WO2018205451A1 (en) | Handheld electric hairdryer | |
| CN104814707A (en) | Embedded type dish washing machine and running state prompting method and device thereof | |
| CN213462356U (en) | Medical high-temperature sterilization and disinfection device control circuit | |
| CN207279793U (en) | A kind of wind heater device with overtemperature protection | |
| CN205141635U (en) | Motor overheat protects warning circuit | |
| CN113784592A (en) | Combined heat dissipation system, electrical equipment, air conditioner and heat dissipation method | |
| CN214070216U (en) | Lamp ultralow-temperature starting device and landscape lamp | |
| CN207112985U (en) | Heating blowing interlocking module | |
| CN213152425U (en) | Control circuit is equipped in dry disinfection of portable protective clothing | |
| CN206449732U (en) | Intelligent floor heating safety detection control system | |
| CN215489975U (en) | Heating system | |
| CN205649104U (en) | Radio dryer charges | |
| CN212592014U (en) | Multifunctional shoe dryer | |
| CN210799433U (en) | Exhaust fan control circuit based on infrared induction | |
| CN211174690U (en) | Bladeless fan capable of automatically adjusting wind speed | |
| CN215820728U (en) | Foot cleaning device | |
| CN214281716U (en) | Power supply protection device | |
| CN214550399U (en) | Control device of intelligent disinfection cabinet | |
| CN215486749U (en) | Induction exhaust fan | |
| CN213750793U (en) | Remote control system for temperature and humidity of power distribution room | |
| CN218449916U (en) | Air curtain machine control system based on air valve response | |
| CN108869373A (en) | Blower drive control apparatus | |
| CN216052675U (en) | Intelligent mattress control circuit and mattress thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |