CN114432141B - Acupuncture needle circuit and acupuncture needle state indication method - Google Patents

Acupuncture needle circuit and acupuncture needle state indication method Download PDF

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Publication number
CN114432141B
CN114432141B CN202111671570.XA CN202111671570A CN114432141B CN 114432141 B CN114432141 B CN 114432141B CN 202111671570 A CN202111671570 A CN 202111671570A CN 114432141 B CN114432141 B CN 114432141B
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led lamp
signal
control chip
input end
power supply
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CN114432141A (en
Inventor
石明霞
杨吕昆
俞新生
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Tianjin Kangjian Medical Instrument Co ltd
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Tianjin Kangjian Medical Instrument Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/08—Devices for applying needles to such points, i.e. for acupuncture ; Acupuncture needles or accessories therefor
    • A61H39/086—Acupuncture needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/06—Devices for heating or cooling such points within cell-life limits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors
    • A61H2201/5082—Temperature sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The application relates to an acupuncture needle circuit and an acupuncture needle state indication method, wherein the circuit comprises a control chip U1, a signal receiving circuit arranged on the control chip U1 and an indication circuit arranged on the control chip U1; the power supply input end of the control chip U1 is connected with the power supply VCC1, the grounding end VSS of the control chip U1 is grounded, and the signal processing circuit is used for receiving a temperature detection signal of the heating element and outputting an indication signal based on the temperature detection signal, and the indication circuit is connected with the signal processing circuit, responds to the indication signal and indicates the working condition of the heating element. The application has the effect of being convenient for knowing the working condition of the heating element.

Description

Acupuncture needle circuit and acupuncture needle state indication method
Technical Field
The application relates to the field of acupuncture needles, in particular to an acupuncture needle circuit and an acupuncture needle state indication method.
Background
The acupuncture therapeutic instrument is an acupuncture instrument. Is a therapeutic instrument which is integrated with the current collecting needle, the thermal moxibustion and the needle twisting manipulation and is developed by combining the medical electronic engineering technology on the basis of the traditional Chinese medicine acupuncture and the electric needle.
The acupuncture needle therapeutic apparatus is usually used in combination with an acupuncture needle, and a heating element for heating the acupuncture needle is arranged in the acupuncture needle. However, the current acupuncture needle therapeutic apparatus is inconvenient to indicate the working condition of the heating element in the acupuncture needle when heating the acupuncture needle.
Disclosure of Invention
In order to facilitate the understanding of the working condition of the heating element, the application provides an acupuncture needle circuit and an acupuncture needle state indication method.
In a first aspect, the present application provides an acupuncture needle circuit, which adopts the following technical scheme:
an acupuncture needle circuit comprises a control chip U1, a signal receiving circuit arranged on the control chip U1 and an indicating circuit arranged on the control chip U1; the power supply input end of the control chip U1 is connected with a power supply VCC1, and the grounding end VSS of the control chip U1 is grounded;
a signal processing circuit for receiving a temperature detection signal of the heating element and outputting an indication signal based on the temperature detection signal;
the indication circuit is connected with the signal processing circuit, responds to the indication signal and indicates the working condition of the heating element.
Through adopting above-mentioned technical scheme, the temperature detection signal of heat-generating body accessible temperature sensor gathers and obtains, and signal processing circuit receives the temperature detection signal of heat-generating body after, and control chip handles temperature detection signal to control chip outputs the pilot signal based on the processing result of temperature detection signal, and pilot circuit response pilot signal back work is instructed the behavior of heat-generating body. The indication circuit responds to the indication signal to indicate the working condition of the heating element by receiving the temperature detection signal of the heating element and outputting the indication signal based on the temperature detection signal of the heating element, so that a worker can conveniently know the working condition of the heating element.
Optionally, the signal processing circuit includes a master seat J1, and the master seat J1 is connected with a heating control PCB board for heating the heating element; the IIC_SCL end and the IIC_SDA end on the control chip U1 are respectively connected with two signal transmission interfaces on the master seat J1, a power supply input interface of the master seat J1 is connected with a power supply VCC1, and a grounding interface of the master seat J1 is grounded.
Through adopting above-mentioned technical scheme, temperature sensor gathers the temperature value of heat-generating body and output temperature detection signal, and heating control PCB board sends temperature detection signal to female seat J1, and control chip U1 receives temperature detection signal through IIC_SCL end and IIC_SDA end, receives the pin of temperature detection signal receipt control chip U1 through IIC_SCL end and IIC_SDA end and uses.
Optionally, the indication circuit includes a red LED lamp L1, a green LED lamp L2, and a blue LED lamp L3, where a power input end of the red LED lamp L1 is connected to the power VCC1, and a signal input end of the red LED lamp L1 is connected to an input/output port of the control chip U1; the power input end of the green LED lamp L2 is connected with the power VCC1, and the signal input end of the green LED lamp L2 is connected with the input and output port of the control chip U1; the power input end of the blue LED lamp L3 is connected with the power VCC1, and the signal input end of the blue LED lamp L3 is connected with the input and output port of the control chip U1.
Through adopting above-mentioned technical scheme, after the instruction signal is responded to the instruction circuit, red LED lamp L1, green LED lamp L2 and blue LED lamp L3 among the instruction circuit are lighted according to the mode of difference to can make the staff learn the behavior of heat-generating body clearly intuitively.
Optionally, a data transmission circuit is connected to the control chip U1; the data transmission circuit comprises a driving chip U2 and a first NPN triode Q1; the receiver output end RO of the driving chip U2 is connected with the serial port receiving end RXD of the control chip U1, and the receiver output enabling end of the driving chip U2The power supply input end VCC of the driving chip U2 is connected with a power supply VCC1, and the grounding end GND of the driving chip U2 is grounded;
the drive chip U2 is connected with a data transmission master seat J2, the same-direction input end A of the drive chip U2 is connected with a same-direction input interface A1 of the data transmission master seat J2, the reverse input end B of the drive chip U2 is connected with a reverse input interface B1 of the data transmission master seat J2, and the power supply input interface of the data transmission master seat J2 is connected with a power supply VCC 1; the grounding interface of the data transmission master seat J2 is grounded;
the base of the first NPN triode Q1 is connected with the serial port transmitting end TXD of the control chip U1, the collector of the first NPN triode Q1 is connected with the power supply VCC1 after being connected with the first resistor R1 in series, and the emitter of the first NPN triode Q1 is grounded.
By adopting the technical scheme, the power supply VCC1 supplies power to the driving chip U2 through the power supply input end VCC on the driving chip U2. The first NPN triode Q1 is conducted in high level, and when the serial port transmitting end TXD of the control chip U1 is in high level, the first NPN triodeTube Q1 is conducted, and the output enable end of the receiver of driving chip U2 is connected with the output end of the transistorAnd the driver output enable terminal DE is grounded, and enters a receiving mode.
When the serial port transmitting end TXD of the control chip U1 is at a low level, the first NPN triode Q1 is cut off, and the receiver output enabling end of the chip U2 is drivenAnd the output enable end DE pin of the driver is connected with a high level to enter a transmitting mode. When the serial port transmitting terminal TXD of the control chip U1 transmits a low level, the first NPN transistor Q1 is not turned on, the driver output enable terminal DE is connected to a high level, and the driving chip U2 will respond the level on the driver input terminal DI to the AB pin for outputting, and the same direction input terminal a and the opposite direction input terminal B will transmit a low level because the driver input terminal DI is grounded. When the serial port transmitting terminal TXD transmits a high level, the first NPN triode Q1 is conducted, and the receiver outputs an enabling terminal +.>And the low level is connected, and the receiving mode is entered. The same-direction input end A is connected with the same-direction input interface A1 of the data transmission female seat J2, the reverse output end B is connected with the reverse input interface B1 of the data transmission female seat J2, and then the data transmission female seat J1 is connected with other electronic equipment, so that the temperature detection signal can be conveniently sent, and the signals from other electronic equipment can be conveniently received.
Optionally, the control chip U1 is connected with a burning master seat J3; the power supply input interface of the master burning seat J3 is connected with the power supply VCC1, the grounding interface of the master burning seat J3 is grounded, the SWIM interface of the master burning seat J3 is connected with the SWIM end of the control chip U1, and the NRST interface of the master burning seat J3 is connected with the NRST end of the control chip U1.
By adopting the technical scheme, the staff is convenient to record the execution program into the control chip U1 through the burning master seat J3.
Optionally, the input/output end of the driving chip U2 is connected to a second NPN type triode Q2, a base electrode of the second NPN type triode Q2 is connected to the input/output end of the driving chip U2, a collector electrode of the second NPN type triode Q2 is connected to the buzzer B1 in series and then is connected to the power supply VCC1, and an emitter electrode of the second NPN type triode Q2 is grounded.
Through adopting above-mentioned technical scheme, when the input/output end output high level of control chip U1, second NPN triode Q2 switches on, and power VCC1 supplies power to buzzer B1 to make buzzer B1 send the ring, thereby can reach the effect that instructs the heat-generating body behavior through the ring of control buzzer B1.
In a second aspect, the present application provides a needle-like state indication method for acupuncture, which adopts the following technical scheme:
an acupuncture needle state indication method is executed by a control chip U1 and comprises the following steps:
the control chip U1 receives temperature information of a heating element sent by the heating control PCB;
if the temperature information does not reach the preset temperature threshold, a first execution signal is sent to the signal input end of the green LED lamp L2, so that the green LED lamp L2 emits green light;
and if the temperature information reaches a preset temperature threshold, a second execution signal is sent to the signal input end of the green LED lamp L2, so that the green LED lamp L2 is extinguished.
Through adopting above-mentioned technical scheme, after control chip U1 received the temperature detection signal, compare the temperature information in the temperature detection signal with predetermineeing the temperature threshold value, if predetermineeing the temperature threshold value, then control chip U1 sends first executive signal to LED lamp L1's green light signal input part, sends green light after green LED lamp L2's signal input part receives first executive signal to instruct the heat-generating body to be heating. If the temperature information in the temperature detection signal reaches the preset temperature threshold, the control chip U1 sends a second execution signal to the signal input end of the green LED lamp L2, and the green LED lamp L2 stops emitting green light after responding to the second execution signal, so that the temperature of the heating element is indicated to reach the preset temperature. The first execution signal and the second execution signal are sent to the green LED lamp L2, so that workers can know the working condition of the heating body conveniently.
Optionally, the method further comprises:
if the device self-checking signal is received, a third execution signal is sent to the signal input end of the red LED lamp L1, so that the red LED lamp L1 emits red light;
if the first preset time is reached after the third execution signal is sent, a fourth execution signal is sent to the signal input end of the blue LED lamp L3, so that the blue LED lamp L3 emits blue light;
and if the second preset time is reached after the fourth execution signal is sent, sending a fifth execution signal to the signal input end of the green LED lamp L2, so that the green LED lamp L2 emits green light.
By adopting the technical scheme, in order to detect whether the indication circuit and the control chip U1 work normally, after the control chip U1 receives the equipment self-checking signal, the control chip U1 inputs a third execution signal to the signal input end of the red LED lamp L1, and the red LED lamp L1 emits red light after receiving the third execution signal; if the first preset time is reached after the control chip U1 sends the third execution signal, the control chip sends a fourth execution signal to the signal input end of the blue LED lamp L3, and the blue LED lamp L3 sends blue light after receiving the fourth execution signal. If the second preset time is reached after the control chip U1 sends the fourth execution signal, a fifth execution signal is sent to the green light signal input end of the green LED lamp L2, and the green LED lamp L2 sends out green light after receiving the fifth execution signal. Through sending the third executive signal to red LED lamp L1, sending the fourth executive signal to blue LED lamp L3 and sending the fifth executive signal to green LED lamp L2 to make red LED lamp L1, blue LED lamp L3 and green LED lamp L2 light up in proper order, and then instruct control chip U1 and execution circuit to work normally.
Optionally, the method further comprises at least one of:
if the temperature information is greater than the preset temperature threshold, a sixth execution signal is sent to the signal input end of the red LED lamp L1, so that the red LED lamp L1 emits red light, and/or,
and if the temperature information is greater than the preset temperature threshold, sending a seventh execution signal to the second NPN triode Q2 so that the buzzer B1 sounds.
By adopting the technical scheme, the control chip U1 compares the temperature information with the preset temperature threshold, if the temperature information is larger than the preset temperature threshold, the control chip U1 sends a sixth execution signal to the red LED lamp L1, and the red LED lamp L1 lights up after receiving the sixth execution signal, so that a worker is reminded that the temperature of the heating body exceeds the preset temperature threshold; the control chip U1 sends a seventh execution signal to the second NPN triode Q2, and after the second NPN triode Q2 responds to the seventh execution signal, the buzzer B1 sounds, so that the heating element temperature of a worker is reminded to exceed a preset temperature threshold.
Optionally, the method further comprises:
if the connection signal sent by the host is detected, recording the times of the connection signal;
and if the times reach the preset threshold, sending an eighth execution signal to the signal input end of the red LED lamp L1 every third preset time.
Through adopting above-mentioned technical scheme, control chip U1 detects the connection signal of host computer transmission and carries out the record to the connection signal, if detect the connection signal once more, demonstrate that control chip U1 corresponds the heat-generating body used repeatedly, control chip U1 sends eighth execution signal to red LED lamp L1 every third preset time to make red LED lamp L1 twinkle, in order to remind the staff that this heat-generating body has been used.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the temperature detection signal of the heating element can be acquired through the temperature sensor, the signal processing circuit processes the temperature detection signal after receiving the temperature detection signal of the heating element, the control chip outputs an indication signal based on the processing result of the temperature detection signal, and the indication circuit responds to the indication signal to work and indicates the working condition of the heating element. The indication circuit responds to the indication signal to indicate the working condition of the heating element by receiving the temperature detection signal of the heating element and outputting the indication signal based on the temperature detection signal of the heating element, so that a worker can conveniently know the working condition of the heating element.
2. After receiving the temperature detection signal, the control chip U1 compares the temperature information in the temperature detection signal with a preset temperature threshold, if the temperature information does not reach the preset temperature threshold, the control chip U1 sends a first execution signal to a green light signal input end of the LED lamp L1, and a signal input end of the green LED lamp L2 receives the first execution signal and then sends out green light, so that the heating body is indicated to be heated. If the temperature information in the temperature detection signal reaches the preset temperature threshold, the control chip U1 sends a second execution signal to the signal input end of the green LED lamp L2, and the green LED lamp L2 stops emitting green light after responding to the second execution signal, so that the temperature of the heating element is indicated to reach the preset temperature. The first execution signal and the second execution signal are sent to the green LED lamp L2, so that workers can know the working condition of the heating body conveniently.
Drawings
Fig. 1 is a schematic diagram showing a partial structure of an acupuncture needle circuit according to an embodiment of the present application.
Fig. 2 is a schematic diagram showing another partial structure of an acupuncture needle circuit according to an embodiment of the present application.
Fig. 3 is a flow chart of an acupuncture needle status indication method according to an embodiment of the application.
Reference numerals illustrate: 1. a signal processing circuit; 2. an indication circuit; 3. and a data transmission circuit.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
In a first aspect, an embodiment of the present application discloses an acupuncture needle circuit.
Referring to fig. 1 and 2, an acupuncture needle circuit includes a control chip U1, a signal processing circuit, and an indication circuit. The signal processing circuit is used for receiving the temperature detection signal of the heating element and outputting an indication signal by the temperature detection signal. For the temperature detection signal of gathering the heat-generating body, the accessible is connected heating control PCB board and is connected temperature sensor on heating control PCB board on the heat-generating body, has temperature sensor to gather the temperature information of heat-generating body and generate temperature detection signal, and temperature sensor sends temperature detection signal to heating control PCB board, and heating control PCB board is connected with signal processing circuit, and signal processing circuit receives the temperature detection signal of heating control PCB board to signal processing circuit outputs the instruction signal based on temperature detection signal. The indication circuit is connected with the signal processing circuit, responds to the indication signal and indicates the working condition of the heating body. Therefore, the working condition of the heating body can be conveniently known by the staff through the indicating circuit.
The signal of the control chip U1 may be an ES7P0693 single-chip microcomputer, and in other embodiments, the control chip U1 may be a single-chip microcomputer of other types, which is not limited herein. The power supply input end VCC of the control chip U1 is electrically connected with the power supply VCC1, and the grounding end VSS of the control chip U1 is grounded. The VCAP end of the control chip U1 is connected with the first capacitor C1 in series and then grounded, and the first capacitor C1 is used for decoupling and stabilizing voltage, so that the effect of guaranteeing the voltage stability of the main voltage regulator inside the control chip U1 is achieved. The NRST end on the control chip U1 is connected with a second capacitor C2 in series and then grounded, a first pull-down resistor R1 is connected between the second capacitor C2 and the NRST end of the control chip U1, one end of the first pull-down resistor R1 is connected between the second capacitor C2 and the NRST end of the control chip U1, and the other end of the first pull-down resistor R1 is connected with a power supply VCC 1. The circuit composed of the first pull-down resistor R1 and the second capacitor C2 is used to control the reset of the chip U1.
Referring to fig. 1 and 2, the signal processing circuit includes a female socket J1, the female socket J1 is electrically connected with the heating control PCB board, a power supply input interface of the female socket J1 is connected with a power supply VCC1, and the power supply input interface of the female socket J1 is connected with the heating control PCB board, so that the power supply VCC1 supplies power to the heating control PCB board. The power supply input end of the master seat J1 is connected with a first filter capacitor C3, one end of the first filter capacitor C3 is connected between the power supply VCC1 and the power supply input interface of the master seat J1, and the other end of the first filter capacitor C3 is grounded. The first filter capacitor C3 is used as a bypass capacitor of the power supply VCC1 to provide a clean power supply for the heating control PCB, so that the heating control PCB works stably. The grounding interface of the female seat J1 is grounded, and the grounding interface of the female seat J1 is connected with the grounding end of the heating control PCB, so that the grounding end of the heating control PCB is grounded. The IIC_SCL end and the IIC_SDA end on the control chip U1 are respectively connected with two signal transmission interfaces on the master seat J1. Two signal transmission interfaces on the mother seat J1 are connected with signal input and output ends of the heating control PCB. The control chip U1 receives the temperature detection signals through the IIC_SCL end and the IIC_SDA end, namely, the temperature detection signals are obtained through an IIC communication protocol, and the temperature detection signals are received through the IIC communication protocol, so that the number of the input and output ports on the control chip U1 can be reduced.
Referring to fig. 1 and 2, the indication circuit includes a red LED lamp L1, a green LED lamp L2, and a blue LED lamp L3. The power input end of the red LED lamp L1 is connected with the power VCC1, and the signal input end of the red LED lamp L1 is connected with the input and output port of the control chip U1. The power input end of the green LED lamp L2 is connected with the power VCC1, and the signal input end of the green LED lamp L2 is connected with the input and output port of the control chip U1; the power input end of the blue LED lamp L3 is connected with the power VCC1, and the signal input end of the blue LED lamp L3 is connected with the input and output port of the control chip U1. The signal input end of the red LED lamp L1, the signal input end of the green LED lamp L2 and the signal input end of the blue LED lamp L3 are respectively connected with different input and output ports on the control chip U1.
A first current limiting resistor R2 is connected in series between the signal input end of the red LED lamp L1 and the input/output port of the control chip U1; a second current limiting resistor R3 is connected in series between the signal input end of the green LED lamp L2 and the input/output port of the control chip U1; a third current limiting resistor R4 is connected in series between the signal input end of the blue LED lamp L3 and the input/output port of the control chip U1. The first, second and third current limiting resistors R2, R3 and R4 protect the red, green and blue LED lamps L1, L2 and L3.
The control chip U1 outputs an indication signal, the red LED lamp L1, the green LED lamp L2 and the blue LED lamp L3 receive different indication signals so as to be lightened according to different modes, and then the working condition of the heating body is indicated, and a worker is convenient to know the working condition of the heating body through the red LED lamp L1, the green LED lamp L2 and the blue LED lamp L3.
Referring to fig. 1 and 2, in order to facilitate the transmission of a signal to the control chip U1 or the transmission of a temperature detection signal to other electronic devices, a data transmission circuit is further connected to the control chip U1. The data transmission circuit comprises a driving chip U2 and a first NPN triode Q1. The receiver output end RO of the driving chip U2 is connected with the serial port receiving end RXD of the control chip U1 in series after being connected with the fourth current limiting resistor R5 in series, the fourth current limiting resistor R5 plays a role in current limiting, and the receiver output end RO of the driving chip U2 is protected. Receiver output enable terminal of driving chip U2The driver output enabling end DE of the driving chip U2 is electrically connected with the collector of the NPN triode Q1, the driver input end DI of the driving chip U2 is connected with the second pull-down resistor R6 in series and then grounded, and the second pull-down resistor R6 fixes the driver input end DI of the driving chip U2 at a low level. The power input end VCC of the driving chip U2 is connected with the power supply VCC1, and the power supply VCC1 supplies power to the driving chip U2 through the power input end VCC of the driving chip U2. A second filter capacitor C4 is connected between the power input end VCC of the driving chip U2 and the power source VCC1, one end of the second filter capacitor C4 is connected between the power input end of the driving chip U2 and the power source VCC1, and the other end of the second filter capacitor C4 is grounded. The second filter capacitor C4 serves as a bypass capacitor of the power supply VCC1, and provides a clean power supply for the driving chip U2, so that the driving chip U2 stably operates. The ground GND of the driving chip U2 is grounded.
The drive chip U2 is connected with a data transmission master seat J2, the homodromous input end A of the drive chip U2 is electrically connected with the homodromous input interface A1 of the data transmission master seat J2, the reverse input end B of the drive chip U2 is electrically connected with the reverse input interface B1 of the data transmission master seat J2, and the power supply input interface of the data transmission master seat J2 is electrically connected with the power supply VCC 1; the power supply input interface of the data transmission master seat J2 is also connected with a third filter capacitor C5, one end of the third filter capacitor C5 is connected between the power supply VCC1 and the power supply input interface of the data transmission master seat J2, and the other end of the third filter capacitor C5 is grounded. The grounding interface of the data transmission mother seat J2 is grounded.
A bias resistor R7 is arranged between the same-direction input end A and the reverse input end B of the driving chip U2, one end of the bias resistor R7 is connected with the same-direction input end A, the other end of the bias resistor R7 is connected with the reverse input end B, and the bias resistor R7 has the effects of preventing noise interference and absorbing interference surge.
The base of the first NPN triode Q1 is electrically connected with the serial port transmitting end TXD of the control chip U1 after being connected in series with the fifth current limiting resistor R8, and the fifth current limiting resistor R8 protects the first NPN triode Q1. The collector of the first NPN triode Q1 is connected in series with the load resistor R9 and then connected to the power supply VCC1, and the emitter of the first NPN triode Q1 is grounded.
When the serial port transmitting end TXD transmits a low level, the first NPN transistor Q1 is not turned on, the driver output enable end DE is connected to a high level, the data transmission circuit enters a transmitting mode, the driving chip U2 will react the low level on the driver input end DI to the unidirectional input end a and the reverse input end B for output, and the unidirectional input end a and the reverse input end B will transmit the low level because the driver input end DI is grounded. When the serial port transmitting terminal TXD transmits a low level, the same-direction input terminal a and the opposite-direction input terminal B transmit a low level. When the serial port transmitting terminal TXD transmits a high level, the first NPN triode Q1 is conducted, and the receiver outputs an enabling terminalThe data transmission circuit enters a receiving mode, the pins of the same-direction input end A and the reverse input end B of the driving chip U2 enter a high-resistance state, the pins of the serial port transmitting end TXD always keep high level, and when the serial port transmitting end TXD is high level, the receiver outputs an enabling end/>The low level is just conditioned to the receiving state, and then the receiver output RO of the driver chip U2 will reflect the data transmitted from the co-directional input a and the counter-directional input B.
Referring to fig. 1 and 2, a master burning seat J3 is connected to the control chip U1; the power supply input interface of the writing master seat J3 is connected with the power supply VCC1, the grounding interface of the writing master seat J3 is grounded, the SWIM interface of the writing master seat J3 is electrically connected with the SWIM end of the control chip U1, and the NRST interface of the writing master seat J3 is electrically connected with the NRST end of the control chip U1.
The staff is convenient to burn the program which needs to be executed by the control chip U1 into the control chip U1 through the burning master seat J3.
Referring to fig. 1 and 2, in order to further facilitate the operator to learn the working state of the heating element, the input/output end of the driving chip U2 is electrically connected to a second NPN type triode Q2, the base of the second NPN type triode Q2 is electrically connected to the input/output end of the driving chip U2, the collector of the second NPN type triode Q2 is connected to the buzzer B1 in series and then to the power VCC1, and the emitter of the second NPN type triode Q2 is grounded. The input and output ends of the second NPN triode Q2 connected to the control chip U1 are different from the input and output ends of the red LED lamp L1 connected to the control chip U1, the input and output ends of the green LED lamp L2 connected to the control chip U1 and the input and output ends of the blue LED lamp L3 connected to the control chip U1.
When the control chip U1 and the temperature detection signal output high-level signals, the second NPN triode Q2 is conducted, the power supply VCC1 supplies power to the buzzer B1, and the buzzer B1 sounds, so that the effect of indicating the working condition of the heating body is achieved.
An embodiment of the present application provides a method for indicating a needle status, which is performed by a needle circuit of the present application, as shown in fig. 3, and includes steps S101, S102 and S103, wherein,
s101, the control chip U1 receives temperature information of a heating element sent by the heating control PCB.
The temperature information is information represented by a temperature detection signal.
For the embodiment of the application, the temperature detection signal is generated by the temperature sensor for detecting the temperature of the heating body, the temperature detection signal is transmitted to the heating control PCB, and then the heating control PCB transmits the temperature detection signal to the acupuncture needle circuit, and the control chip U1 in the acupuncture needle circuit receives the temperature detection signal transmitted by the heating control PCB, so that the temperature detection signal is convenient to process.
S102, if the temperature information does not reach the preset temperature threshold, a first execution signal is sent to the signal input end of the green LED lamp L2, so that the green LED lamp L2 emits green light.
For the embodiment of the present application, the preset temperature threshold may be recorded in advance into the control chip U1 through the recording master seat J3. In other embodiments, a key may be further provided on the acupuncture needle circuit, and the preset threshold may be adjusted by the user pressing a key trigger signal. After receiving the temperature detection signal, the control chip U1 compares the temperature information in the temperature detection signal with a preset temperature threshold value. If the temperature information is smaller than the preset temperature threshold, assuming that the preset temperature threshold is 41 ℃ and the current temperature information is 30 ℃, the temperature information does not reach the preset temperature threshold, the control chip U1 sends a first execution signal to the signal input end of the green LED lamp L2, after the green LED lamp L2 responds to the first execution signal, a loop where the green LED lamp L2 is located is conducted, the power supply VCC1 supplies power to the green LED lamp L2, and the green LED lamp L2 is turned on, so that a heating body is indicated to be heated but does not reach the preset temperature threshold.
And S103, if the temperature information reaches a preset temperature threshold, a second execution signal is sent to the signal input end of the green LED lamp L2, so that the green LED lamp L2 is turned off.
For the embodiment of the present application, taking step S102 as an example, if the current temperature information reaches 41 ℃, the control chip U1 compares the temperature information 41 ℃ with the preset temperature threshold 41 ℃, the temperature of the heating element reaches the preset temperature threshold, the control chip U2 sends a second execution signal to the green LED lamp L2, after the green LED lamp L2 receives the second execution signal, the power supply circuit where the green LED lamp L2 is located is disconnected, and the green LED lamp L2 is turned off, thereby indicating that the temperature of the heating element has reached the preset temperature threshold. The working condition of the heating body is conveniently known by workers through the change of the green LED lamp L2.
One possible implementation manner of the embodiment of the present application, the method further includes step S104, step S105, and step S106, where,
s104, if the equipment self-checking signal is received, a third execution signal is sent to the signal input end of the red LED lamp L1, so that the red LED lamp L1 emits red light.
For the embodiment of the application, the device self-checking signal is a signal for detecting the control chip U1 and indicating whether the circuit works normally. The device self-checking signal can be sent to the acupuncture needle circuit through other electronic devices, and a worker sends the device self-checking signal to the acupuncture needle circuit through the data transmission circuit through other electronic devices. After the control chip U1 receives the equipment self-checking signal, the control chip U1 firstly sends a third execution signal to the red LED lamp L1, after the red LED lamp L1 receives the third execution signal, a loop where the red LED lamp L1 is located is conducted, the power supply VCC1 supplies power to the red LED lamp L1, and the red LED lamp L1 is lighted.
S105, if the first preset time is reached after the third execution signal is sent, a fourth execution signal is sent to the signal input end of the blue LED lamp L3, so that the blue LED lamp L3 emits blue light.
For the embodiment of the application, assuming that the first preset time is 3s, the control chip U1 starts timing after sending the third execution signal, when the control chip U1 reaches 3s after sending the third execution signal, the control chip U1 sends the fourth execution signal to the blue LED lamp L3, the loop where the blue LED lamp L3 is located is conducted after the blue LED lamp L3 receives the fourth execution signal, the power supply VCC1 supplies power to the blue LED lamp L3, and the blue LED lamp L3 lights to emit blue light. Namely, the red LED lamp L1 is turned on for 3s and then the blue LED lamp L3 is turned on.
And S106, if the second preset time is reached after the fourth execution signal is sent, a fifth execution signal is sent to the signal input end of the green LED lamp L2, so that the green LED lamp L2 emits green light.
For the embodiment of the application, assuming that the second preset time is 3s as well, the control chip U1 starts timing after sending the fourth execution signal, when the control chip U1 reaches 3s after sending the fourth execution signal, the control chip U1 sends the fifth execution signal to the green LED lamp L2, after the green LED lamp L2 receives the fifth execution signal, the loop where the green LED lamp L2 is located is turned on, the power VCC1 supplies power to the green LED lamp L2, and the green LED lamp L2 lights up to emit green light. Namely, the blue LED lamp L3 is turned on for 3 seconds and then the green LED lamp L2 is turned on.
After receiving the equipment self-checking signal, the control chip U1 lights up the red LED lamp L1, and after the red LED lamp L1 lights up for 3s, the blue LED lamp L1 lights up; after the blue LED lamp L3 is turned on for 3s, the green LED lamp L2 is turned on. Thereby realizing the effect that red LED lamp L1, blue LED lamp L3 and green LED lamp L2 light in proper order. The control chip U1 controls the red LED lamp L1, the blue LED lamp L3 and the green LED lamp L2 to achieve the effect of sequentially lighting, so that the control chip U1 and the indicating circuit can work normally.
In other embodiments, the second preset time may be different from the first preset time, for example, the first preset time is 3s, and the fourth preset time is 4s. In other embodiments, after receiving the device self-checking signal, the control chip U1 may further sequentially light up the green LED lamp L2, the blue LED lamp L3, and the red LED lamp L1 in order; the LED lamp may be turned on sequentially in the order of the green LED lamp L2, the red LED lamp L1 and the blue LED lamp L3, or may be turned on sequentially in the order of the red LED lamp L1, the green LED lamp L2 and the blue LED lamp L3; the LED lamps L3, L1 and L2 can be sequentially lighted in the sequence of blue, red and green; the LED lamps L3, L2 and L1 can be sequentially lighted in the sequence of blue, green and red; and are not limited herein.
One possible implementation manner of the embodiment of the present application, the method further includes at least one of steps S107 and S108, wherein,
and S107, if the temperature information is greater than the preset temperature threshold, a sixth execution signal is sent to the signal input end of the red LED lamp L1, so that the red LED lamp L1 emits red light.
For the embodiment of the application, the current temperature information is assumed to be 45 ℃, and the preset temperature threshold is assumed to be 41 ℃. The control chip U1 compares 45 ℃ with 41 ℃, the current temperature information is larger than a preset temperature threshold value, the control chip U1 sends a sixth execution signal to the signal input end of the red LED lamp L1, after the red LED lamp L1 receives the sixth execution signal, a loop where the red LED lamp L1 is located is conducted, the power supply VCC1 supplies power to the red LED lamp L1, and the red LED lamp L1 is lighted. Thereby reminding the staff that the temperature of the heating element exceeds a preset temperature threshold value, and possibly scalding the patient.
S108, if the temperature information is greater than the preset temperature threshold, a seventh execution signal is sent to the second NPN triode Q2, so that the buzzer B1 sounds.
For the embodiment of the present application, taking step S107 as an example, the current temperature information is 45 ℃, and the preset temperature threshold is 41 ℃. The control chip U1 compares 45 ℃ with 41 ℃ and the 45 ℃ is larger than 41 ℃. The control chip U1 sends a seventh execution signal to the second NPN triode Q2, and the second NPN triode Q2 is conducted after responding to the seventh execution signal, so that the power supply VCC1 supplies power to the buzzer B1, and the buzzer B1 sounds. Staff can learn in time that the temperature of the heating body exceeds a preset temperature threshold value through the buzzer B1 to give out a sound, so that a patient can be scalded.
In the embodiment of the present application, if step S107 and step S108 are included, the execution order of step S107 and step S108 is not limited.
One possible implementation manner of the embodiment of the present application, the method further includes step S109 and step S110, where,
s109, if the connection signal sent by the host is detected, the number of times of the connection signal is recorded.
For the embodiment of the application, when the acupuncture needle is used, the acupuncture needle control circuit is connected with the host for use, the acupuncture needle circuit transmits the temperature information of the heating body to the host through the data transmission circuit, and the host can display the temperature information through devices such as a control display and the like. When the host computer is connected with the acupuncture needle circuit, the host computer sends a connection signal to the acupuncture needle circuit, the connection signal can be sent to the control chip U1 through the data transmission circuit, the control chip U1 can communicate with the host computer after receiving the connection signal, the control chip U1 records the times of the connection signal, for example, the first time of receiving the connection signal, the control chip U1 records the times of receiving the connection signal as 1 time.
S110, if the times reach the preset threshold, an eighth execution signal is sent to the signal input end of the red LED lamp L1 every third preset time, and the duration of the eighth execution signal is the fourth preset time.
For the embodiment of the application, the preset threshold is assumed to be 2 times, and after the acupuncture needle is used, the worker disconnects the acupuncture needle circuit from the host. If the worker uses the needle again, the needle circuit is connected to the host, the control chip U1 receives the connection signal again, and the number of times of receiving the connection signal again is recorded as 2. The control chip U1 compares the times of receiving the connection signals with the preset threshold value of 2 times, and the times of receiving the connection signals reach the preset threshold value, so that the condition that the acupuncture needle is reused is indicated.
Assume that the third preset time is 1s and the fourth preset time is also 1s. The control chip U1 sends an eighth execution signal with the duration of 1s to the signal input end of the red LED lamp L1 every 2 s. After the red LED lamp L1 responds to the eighth execution signal with the duration of 1s, the red LED lamp L1 is lightened within 1s and emits red lamplight. After the red LED lamp L1 is lighted for 1s, an eighth execution signal is sent to the signal input end of the red LED lamp L1 again after the interval of 1s, and the red LED lamp L1 is lighted for 1s again, so that the effect of flickering of the red LED lamp L1 is achieved. Therefore, workers can find out the repeated use condition of the acupuncture needle in time.
In other embodiments, the red LED lamp L1 in step S110 may be replaced with the green LED lamp L2, and may also be replaced with the blue LED lamp L3, which is not limited herein.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. An acupuncture needle circuit is characterized in that: the device comprises a control chip U1, a signal receiving circuit arranged on the control chip U1 and an indicating circuit arranged on the control chip U1; the power supply input end of the control chip U1 is connected with a power supply VCC1, and the grounding end VSS of the control chip U1 is grounded;
a signal processing circuit (1) for receiving a temperature detection signal of the heating element and outputting an instruction signal based on the temperature detection signal;
an instruction circuit (2) connected to the signal processing circuit (1) for responding to the instruction signal and instructing the operation of the heating element;
the control chip U1 is connected with a data transmission circuit (3); the data transmission circuit (3) comprises a driving chip U2 and a first NPN triode Q1; the receiver output end RO of the driving chip U2 is connected with the serial port receiving end RXD of the control chip U1, and the receiver output enabling end of the driving chip U2The power supply input end VCC of the driving chip U2 is connected with a power supply VCC1, and the grounding end GND of the driving chip U2 is grounded;
the drive chip U2 is connected with a data transmission master seat J2, the same-direction input end A of the drive chip U2 is connected with a same-direction input interface A1 of the data transmission master seat J2, the reverse input end B of the drive chip U2 is connected with a reverse input interface B1 of the data transmission master seat J2, and the power supply input interface of the data transmission master seat J2 is connected with a power supply VCC 1; the grounding interface of the data transmission master seat J2 is grounded;
the base electrode of the first NPN triode Q1 is connected with the serial port transmitting end TXD of the control chip U1, the collector electrode of the first NPN triode Q1 is connected with a first resistor R1 in series and then is connected with a power supply VCC1, and the emitter electrode of the first NPN triode Q1 is grounded;
the input/output end of the driving chip U2 is connected with a second NPN type triode Q2, the base electrode of the second NPN type triode Q2 is connected with the input/output end of the driving chip U2, the collector electrode of the second NPN type triode Q2 is connected with the power supply VCC1 after being connected with the buzzer B1 in series, and the emitter electrode of the second NPN type triode Q2 is grounded.
2. An acupuncture needle circuit according to claim 1, wherein: the signal processing circuit (1) comprises a mother seat J1, and the mother seat J1 is connected with a heating control PCB board for heating the heating body; the IIC_SCL end and the IIC_SDA end on the control chip U1 are respectively connected with two signal transmission interfaces on the master seat J1, a power supply input interface of the master seat J1 is connected with a power supply VCC1, and a grounding interface of the master seat J1 is grounded.
3. An acupuncture needle circuit according to claim 1, wherein: the indication circuit (2) comprises a red LED lamp L1, a green LED lamp L2 and a blue LED lamp L3, wherein the power input end of the red LED lamp L1 is connected with a power supply VCC1, and the signal input end of the red LED lamp L1 is connected with the input and output port of the control chip U1; the power input end of the green LED lamp L2 is connected with the power VCC1, and the signal input end of the green LED lamp L2 is connected with the input and output port of the control chip U1; the power input end of the blue LED lamp L3 is connected with the power VCC1, and the signal input end of the blue LED lamp L3 is connected with the input and output port of the control chip U1.
4. An acupuncture needle circuit according to claim 1, wherein: the control chip U1 is connected with a burning master seat J3; the power supply input interface of the master burning seat J3 is connected with the power supply VCC1, the grounding interface of the master burning seat J3 is grounded, the SWIM interface of the master burning seat J3 is connected with the SWIM end of the control chip U1, and the NRST interface of the master burning seat J3 is connected with the NRST end of the control chip U1.
5. An acupuncture needle state indication method is characterized in that: is carried out by an acupuncture needle circuit as claimed in claims 1 to 4, comprising
The control chip U1 receives temperature information of a heating element sent by the heating control PCB;
if the temperature information does not reach the preset temperature threshold, a first execution signal is sent to a signal input end of the green LED lamp L2, so that the green LED lamp L2 emits green light;
and if the temperature information reaches a preset temperature threshold, a second execution signal is sent to the signal input end of the green LED lamp L2, so that the green LED lamp L2 is extinguished.
6. The method of indicating needle status of acupuncture according to claim 5, further comprising:
if the equipment self-checking signal is received, a third execution signal is sent to a signal input end of the red LED lamp L1, so that the red LED lamp L1 emits red light;
if the first preset time is reached after the third execution signal is sent, a fourth execution signal is sent to the signal input end of the blue LED lamp L3, so that the blue LED lamp L3 emits blue light;
and if the second preset time is reached after the fourth execution signal is sent, sending a fifth execution signal to the signal input end of the green LED lamp L2, so that the green LED lamp L2 emits green light.
7. The method of indicating needle status of acupuncture according to claim 6, further comprising at least one of:
if the temperature information is greater than the preset temperature threshold, a sixth execution signal is sent to the signal input end of the red LED lamp L1, so that the red LED lamp L1 emits red light, and/or,
and if the temperature information is greater than the preset temperature threshold, sending a seventh execution signal to the second NPN triode Q2 so as to make the buzzer B1 sound.
8. The method of indicating needle status of acupuncture according to claim 6, further comprising:
if the connection signal sent by the host is detected, recording the times of the connection signal;
and if the times reach the preset threshold, sending an eighth execution signal to the signal input end of the red LED lamp L1 every third preset time.
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CN113556840A (en) * 2021-07-28 2021-10-26 广州北岛光电实业有限公司 Detection device of DMX512 signal amplification circuit and DMX512 signal amplification circuit

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CN101058006A (en) * 2007-06-05 2007-10-24 重庆市三正医疗保健有限公司 Electromagnetic wave therapeutic equipment
CN201281824Y (en) * 2008-06-11 2009-07-29 天津电子信息职业技术学院 Intelligent temperature observe and control module with feedback and digital compensation
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