CN106422053B - Sweep frequency spectrum energy meter - Google Patents
Sweep frequency spectrum energy meter Download PDFInfo
- Publication number
- CN106422053B CN106422053B CN201611167702.4A CN201611167702A CN106422053B CN 106422053 B CN106422053 B CN 106422053B CN 201611167702 A CN201611167702 A CN 201611167702A CN 106422053 B CN106422053 B CN 106422053B
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistor
- output
- triode
- voltage
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
Abstract
The invention discloses a sweep spectrum energy instrument which comprises a power supply circuit, a main control chip circuit, a reset circuit, a voltage output control circuit, a self-locking circuit, a current detection circuit and a voltage output circuit, wherein the power supply circuit supplies power for the main control chip circuit, the reset circuit, the voltage output control circuit, the self-locking circuit, the current detection circuit and the voltage output circuit. The voltage output control circuit is controlled by sending the corresponding output signal through the main control chip circuit, so that the voltage output circuit outputs the corresponding working voltage; meanwhile, whether the output voltage of the instrument is normal or not can be automatically detected through the current detection circuit, and when the output voltage is detected to be abnormal, the voltage output control module is controlled to not output the voltage to the outside through the self-locking circuit, and the work of the sweep spectrum energy instrument is automatically stopped, so that the safety of a user is ensured.
Description
Technical Field
The invention relates to a medical treatment instrument, in particular to a sweep frequency spectrum energy instrument.
Background
At present, the instruments for stimulating and massaging the meridians and acupoints of a human body by using spectrum current in medical treatment are not good, but the therapeutic instruments or energy instruments generate pulse waves at low frequency, medium frequency and single frequency, so that the therapeutic instruments or energy instruments are unstable signals with high and low time, and when the signals are too high, a patient can feel uncomfortable due to stimulation and stinging, and when the signals are too low, the therapeutic instruments or energy instruments cannot achieve effects; moreover, these therapeutic or energy instruments have the disadvantages of high power consumption, low efficiency, poor stability, complex circuits, high cost, large volume, etc.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a sweep spectrum energy meter which can be more comfortable for human body treatment in the range of safety standards of current and voltage control.
The invention adopts the following technical scheme:
the invention provides a sweep spectrum energy meter which comprises a power supply circuit, a main control chip circuit, a reset circuit, a voltage output control circuit, a self-locking circuit, a current detection circuit and a voltage output circuit, wherein the power supply circuit supplies power to the main control chip circuit, the reset circuit, the voltage output control circuit, the self-locking circuit, the current detection circuit and the voltage output circuit;
the output end of the power supply circuit is connected to the voltage output circuit through the voltage output control circuit and is used for transmitting multiple paths of alternating current signals generated by the power supply circuit to the voltage output circuit through the voltage output control circuit for output;
the first signal output end of the main control chip circuit is connected to the first control end of the voltage output control circuit and is used for controlling the voltage output control circuit to select one path of alternating current signal to output to the voltage output circuit by the control signal input by the main control chip circuit;
the output end of the voltage output circuit is connected to the second control end of the voltage output control circuit through the current detection circuit and the self-locking circuit in sequence, and the voltage output control circuit is turned off through the self-locking circuit when the current detection circuit detects that the current of the voltage output circuit is larger than a limiting threshold value;
the self-locking circuit completes the self-locking function until the second signal output end of the main control chip circuit sends an unlocking signal to the control end of the self-locking circuit through the reset circuit to complete unlocking.
Preferably, the power supply circuit comprises a mains supply, a transformer, a rectifier bridge BR1, a capacitor C3, a capacitor C1, an electrolytic capacitor E2, an electrolytic capacitor E3, a diode D5, an inductor L1 and a voltage regulator U3;
the commercial power is transformed by a transformer to generate a first alternating current signal and a plurality of second alternating current signals; the multi-path second alternating current signals are output by a voltage output circuit through a voltage output control circuit, the first alternating current signals are connected to the input end of a rectifier bridge BR1, the input end of a voltage regulator U3 is connected with the output end of the rectifier bridge BR1, and the output end of the voltage regulator U3 forms a power supply voltage source for supplying power to a main control chip circuit, a reset circuit, the voltage output control circuit, a self-locking circuit, a current detection circuit and the voltage output circuit;
the positive electrode of the electrolytic capacitor E3 and one end of the capacitor C3 are both connected to the output end of the rectifier bridge BR1, and the negative electrode of the electrolytic capacitor E3 and the other end of the capacitor C3 are both grounded; the positive electrode of the electrolytic capacitor E2 and one end of the capacitor C1 are connected to the output end of the voltage regulator U3, and the negative electrode of the electrolytic capacitor E2 and the other end of the capacitor C1 are grounded; the two ends of the inductor L1 are respectively connected with the output end of the voltage regulator U3 and the feedback end of the voltage regulator U3; the anode of the diode D5 is grounded, and the cathode of the diode D5 is connected between the feedback end of the voltage regulator U3 and the inductor L1.
Preferably, the main control chip circuit comprises a main controller, a key, a display screen and a buzzer, wherein the key is connected to the input end of the main controller and used for enabling the first signal output end and the second signal output end of the main controller to respectively generate a first signal and a second signal, and the display screen and the buzzer are connected with the main controller and respectively used for information display and overcurrent alarm.
Preferably, the voltage output control circuit includes a plurality of first control triodes, a plurality of first relays and a logic buffer, the number of the first control triodes and the first relays are the same as the number of the second alternating current signals and are in one-to-one correspondence, the number of the first signal output ends also corresponds to the number of the second alternating current signals, the base electrode of each first control triode is connected with the corresponding first signal output end, the collector electrode of each first control triode is connected to the corresponding input port of the logic buffer, and the emitter electrode of each first control triode is connected to the output end of the self-locking circuit; each relay comprises a movable contact, a first fixed contact, a coil and a second fixed contact, the corresponding output port of the logic buffer is connected to a power supply voltage source after passing through the coil of the corresponding first relay, the movable contact of each first relay is respectively connected to a corresponding second alternating current signal, and the second fixed contacts are connected to a voltage output circuit.
Preferably, the second ac signal is five-way output, namely 220V, 180V, 120V, 60V and 30V ac signals.
Preferably, the voltage output control circuit further comprises a gear adjusting circuit, the gear adjusting circuit comprises a triode Q6, a triode Q7, a second relay and a third relay, the master controller is further provided with a third signal output end for generating a third signal and a fourth signal output end for generating a fourth signal, and bases of the triode Q6 and the triode Q7 are respectively connected to the third signal output end and the fourth signal output end; the collector of the triode Q6 is connected to a power supply voltage source through a logic buffer and a coil of a second relay, and the collector of the triode Q7 is connected to the power supply voltage source through the logic buffer and the coil of a third relay; the emitters of the triode Q6 and the triode Q7 are connected to a power supply voltage source, the movable contact of the second relay is connected to the second fixed contact of each first relay, and the first fixed contacts of the second relay are connected to a voltage output circuit; the second stationary contact of the second relay is connected to the movable contact of the third relay, and the first stationary contact and the second stationary contact of the third relay are connected to the voltage output circuit through a resistor R2 and a resistor R3, respectively.
Preferably, the current detection circuit comprises a rectifier bridge BR2, an electrolytic capacitor E1, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a sliding rheostat W1, wherein the input end of the rectifier bridge BR2 is connected to a voltage output circuit, the positive electrode of the electrolytic capacitor E1 and one end of the resistor R1 are both connected to the output end of the rectifier bridge BR2, and the negative electrode of the electrolytic capacitor E1 and the other end of the resistor R1 are grounded; the output end of the rectifier bridge BR2 is grounded after passing through a resistor R4 and a resistor R5 in sequence, and the output end of the rectifier bridge BR2 is grounded after passing through a resistor R6, a resistor R7 and a slide rheostat W1 in sequence, the input end of the self-locking circuit is connected between the resistor R4 and the resistor R5, and the resistor R6 and the resistor R7 are connected to a display screen through a connecting wire through a main controller and are used for displaying the current sampling signals in the display screen.
Preferably, the self-locking circuit comprises a comparator U1A, a comparator U1B, a triode Q8, a triode Q9, a resistor R10, a resistor R12, a resistor R14 and a resistor R15, wherein the positive input end of the comparator U1B is connected between the resistor R4 and the resistor R5, the negative input end of the comparator U1A is connected with the negative input end of the comparator U1B, the positive input end of the comparator U1A is connected to the output end of the reset circuit, the power supply voltage source is grounded sequentially through the resistor R15 and the resistor R14, the negative input end of the comparator U1A is connected between the resistor R15 and the resistor R14, the emitter of the triode Q8 is connected to the power supply voltage source, the base of the triode Q8 is connected to the output end of the comparator U1A through the resistor R17, the emitter of the triode Q8 is connected to the positive input end of the comparator U1B through the resistor R10, the positive input end of the triode Q9 is connected to the power supply voltage source, and the collector of the triode Q9 is connected to the collector of the comparator U9 through the resistor R9; the output end of the comparator U1B is also connected to the main controller and used for sending whether the self-locking circuit is in a self-locking state or not to the main controller.
Preferably, the reset circuit includes a transistor Q18, a resistor R30, and a resistor R31, where a base of the transistor Q18 is connected to the second signal output end through the resistor R31, an emitter of the transistor Q18 is connected to a supply voltage source, two ends of the resistor R30 are respectively connected to the emitter and the base of the transistor Q18, and a collector of the transistor Q18 is connected to the positive input end of the comparator U1A.
Preferably, the comparator U1A and the comparator U1B are both LM393; the model numbers of the triode Q8, the triode Q9 and the triode Q18 are C9012; the model of the rectifier bridge BR1 is RS807; the model of the rectifier bridge BR2 is DB106; the model of the logic buffer is ULA2003; model LM2596 of voltage regulator U3.
Compared with the prior art, the invention has the beneficial effects that: the invention can automatically control the current and the voltage within the safety standard range, thereby achieving the comfort level of the human body in the treatment process.
Drawings
FIG. 1 is a schematic diagram of a circuit block diagram of a swept spectrum energy meter according to the present invention;
FIG. 2 is a schematic circuit diagram of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a power circuit according to the present invention;
FIG. 4 is a schematic diagram of an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of B in FIG. 4;
FIG. 6 is an enlarged schematic view of FIG. 4A;
FIG. 7 is a schematic circuit diagram of a main control chip circuit and a reset circuit according to the present invention;
fig. 8 is a schematic circuit diagram of a reset circuit provided by the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
as shown in fig. 1 to 8, the present invention provides a swept spectrum energy meter, which includes a power supply circuit, a main control chip circuit, a reset circuit, a voltage output control circuit, a self-locking circuit, a current detection circuit and a voltage output circuit. The main control chip circuit, the reset circuit, the voltage output control circuit, the voltage output circuit, the self-locking circuit and the current detection circuit are respectively and electrically connected with the power supply circuit, namely the power supply circuit provides power, and the power supply circuit is used for converting 8V alternating current output by the transformer into direct current of 5V/1A so as to supply power to the whole sweep spectrum energy meter.
The output end of the power supply circuit is connected to the voltage output circuit through the voltage output control circuit and is used for transmitting multiple paths of alternating current signals generated by the power supply circuit to the voltage output circuit through the voltage output control circuit for output;
the first signal output end of the main control chip circuit is connected to the first control end of the voltage output control circuit and is used for controlling the voltage output control circuit to select one path of alternating current signal to output to the voltage output circuit by the control signal input by the main control chip circuit;
the output end of the voltage output circuit is connected to the second control end of the voltage output control circuit through the current detection circuit and the self-locking circuit in sequence, and the voltage output control circuit is turned off through the self-locking circuit when the current detection circuit detects that the current of the voltage output circuit is larger than a limiting threshold value;
the self-locking circuit completes the self-locking function until the second signal output end of the main control chip circuit sends an unlocking signal to the control end of the self-locking circuit through the reset circuit to complete unlocking.
The power supply circuit comprises a mains supply, a transformer, a rectifier bridge BR1, a capacitor C3, a capacitor C1, an electrolytic capacitor E2, an electrolytic capacitor E3, a diode D5, an inductor L1, a voltage regulator U3 and a wiring terminal J2.
The commercial power is transformed by a transformer to generate a first alternating current signal and a plurality of second alternating current signals; the multi-channel second alternating current signal is output by the voltage output circuit through the voltage output control circuit, the first alternating current signal is further connected to the input end of the rectifier bridge BR1 through the wiring terminal J2, the input end of the voltage regulator U3 is connected with the output end of the rectifier bridge BR1, and the output end of the voltage regulator U3 forms a power supply voltage source to supply power to the main control chip circuit, the reset circuit, the voltage output control circuit, the self-locking circuit, the current detection circuit and the voltage output circuit.
The positive electrode of the electrolytic capacitor E3 and one end of the capacitor C3 are both connected to the output end of the rectifier bridge BR1, and the negative electrode of the electrolytic capacitor E3 and the other end of the capacitor C3 are both grounded; the positive electrode of the electrolytic capacitor E2 and one end of the capacitor C1 are both connected to the output end (port 2) of the voltage regulator U3, and the negative electrode of the electrolytic capacitor E2 and the other end of the capacitor C1 are both grounded; the two ends of the inductor L1 are respectively connected with the output end (port 2) of the voltage regulator U3 and the feedback end (port 4) of the voltage regulator U3; the anode of the diode D5 is grounded, and the cathode of the diode D5 is connected between the feedback end of the voltage regulator U3 and the inductor L1. The rectifier bridge BR1 is model RS807 and the voltage regulator U3 is model LM2596. The power supply circuit further comprises a wiring terminal J5, wherein the wiring terminal J5 is connected with the output end of the voltage regulator U3 and is used for outputting a power supply.
The main control chip circuit comprises a main controller, a plurality of keys, a display screen and a buzzer, wherein each key is connected to the input end of the corresponding main controller and used for enabling the first signal output end and the second signal output end of the main controller to respectively generate a first signal and a second signal. The display screen and the buzzer are connected with the main controller and are respectively used for information display and overcurrent alarm. In addition, the master controller is also provided with a third signal output end and a fourth signal output end which are respectively used for generating a third signal and a fourth signal.
Specifically, the main control chip circuit comprises a singlechip IC1, keys KE1 to KE8, a buzzer circuit, display circuits LED1 to LED3 and a plurality of light emitting diodes, wherein the main control chip circuit is used for receiving input signals of the keys KE1 to KE8 on the energy meter and controlling the LED lamps and the light emitting diodes on the energy meter to work, so that information such as time, functions and the like are displayed on the display screen. The model of the singlechip IC1 is STC12C5A60S2.
The singlechip IC1 is electrically connected with eight keys KE1, KE2, KE3, KE4, KE5, KE6, KE7 and KE8 through corresponding input ends and is used for receiving the input of eight key switches on the energy meter. The singlechip IC1 controls the LEDs 1, 2, 3 and 4 LEDs through corresponding output ends. The singlechip IC1 controls the display of the LED1 through the triode Q11 and the triode Q12; the display of the LED2 is controlled through the triode Q13 and the triode Q14; controlling the display of the LED3 through a third transistor Q15; the display of the four light emitting diodes is controlled through the Q16, so that corresponding time, functions, operation, voltage values, current values and the like can be displayed on a display screen of the frequency sweep spectrum energy meter. The singlechip IC1 is also connected with a buzzer circuit through a triode Q17 and is used for controlling the work of the buzzer. The transistors Q11 to Q17 are all of model C9102. The single chip microcomputer IC1 is connected with ports corresponding to the wiring terminal J0 through a first signal output end, a second signal output end, a third signal output end and a fourth signal output end respectively, namely the first signal output end is connected with ports 2-6 of the wiring terminal J0, the second signal output end is connected with a port 1 of the wiring terminal J0, the third signal output end is connected with a port 8 of the wiring terminal J0, and the fourth signal output end is connected with a port 9 of the wiring terminal J0.
The buzzer circuit comprises a buzzer, a triode Q17, an electrolytic capacitor E1, an electrolytic capacitor E4, a diode D1, an electrolytic capacitor E5, a wiring terminal J1 and a capacitor C9. The emitter of the triode Q17 is connected with the emitters of the triodes Q11 to Q16, the base electrode of the triode Q17 is connected with the inductor, the collector electrode of the triode Q17 is connected with one end of the buzzer, the collector electrode of the triode Q17 is grounded through the electrolytic capacitor E4, and the other end of the buzzer is grounded. The emitter of the triode Q17 is grounded through an electrolytic capacitor E1, the emitter of the triode Q17 is grounded through an electrolytic capacitor E5, the emitter of the triode Q17 is grounded through a capacitor C9, and the emitter of the triode Q17 is grounded through a capacitor C10. The emitter of the triode Q17 is also connected with the port 1 of the wiring terminal J1, and two ends of the diode D1 are respectively correspondingly connected with the port of the wiring terminal J1. In addition, the wiring terminal J1 is connected with the wiring terminal J5 and is used for accessing a power supply.
The voltage output control circuit comprises a plurality of first control triodes, a plurality of first relays and a logic buffer, the number of the first control triodes and the number of the first relays are the same as the number of the second alternating current signals and correspond to the number of the second alternating current signals one by one, the number of the first signal output ends also corresponds to the number of the second alternating current signals, the base electrode of each first control triode is connected with the corresponding first signal output end, the collector electrode of each first control triode is connected to the corresponding input port of the logic buffer, and the emitter electrode of each first control triode is connected to the output end of the self-locking circuit; the corresponding output port of the logic buffer is connected to a power supply voltage source after passing through the coils of the corresponding first relays, one end of the normally open switch of each first relay is connected to the corresponding second alternating current signal, and the other end of the normally open switch of each first relay is connected to the voltage output circuit.
Specifically, the first control transistors are respectively transistor Q1, transistor Q2, transistor Q3, transistor Q4 and transistor Q5, and the logic buffer is denoted as U2. In addition, the voltage output control circuit further comprises a wiring terminal J6, and the wiring terminal J6 is correspondingly connected with a wiring terminal J0 of the main control chip circuit. That is, the ports 1 to 10 of the connection terminal J6 are respectively correspondingly connected with the ports 1 to 10 of the connection terminal J0; the ports 2-6 of the wiring terminal J6 are respectively connected with the corresponding first signal output ends, the port 1 of the wiring terminal J6 is connected with the second signal output end, the port 8 of the wiring terminal J6 is connected with the third signal output end, and the port 9 of the wiring terminal J6 is connected with the fourth signal output end.
The collector of the triode Q1, the collector of the triode Q2, the collector of the triode Q3, the collector of the triode Q4 and the collector of the triode Q5 are respectively connected with the corresponding input ends of the logic buffer U2; the emitter of the triode Q1, the emitter of the triode Q2, the emitter of the triode Q3, the emitter of the triode Q4 and the emitter of the triode Q5 are electrically connected with the output end of the self-locking circuit; the base electrode of the triode Q1, the base electrode of the triode Q2, the base electrode of the triode Q3, the base electrode of the triode Q4 and the base electrode of the triode Q5 are respectively and correspondingly connected with the wiring terminal J6, namely correspondingly connected with the first signal output end.
One end of the normally open switch of each relay is connected with the corresponding second alternating current signal, and the other end of the normally open switch of each relay is connected to the voltage output circuit. The first relays are a relay K1, a relay K2, a relay K3, a relay K4 and a relay K5 respectively. Each relay includes a movable contact, a first stationary contact, a second stationary contact, and a coil. The movable contact of the relay K1, the movable contact of the relay K2, the movable contact of the relay K3, the movable contact of the relay K4 and the movable contact of the relay K5 are respectively connected with corresponding second alternating current signals, namely the wiring terminals J3 are correspondingly connected. The coil of the relay K1, the coil of the relay K2, the coil of the relay K3, the coil of the relay K4 and the coil of the relay K5 are respectively connected with the output ends corresponding to the logic buffer U2; the first stationary contact of the relay K1, the first stationary contact of the relay K2, the first stationary contact of the relay K3, the first stationary contact of the relay K4 and the first stationary contact of the relay K5 are all connected with a voltage output circuit and are used for outputting corresponding voltages. In addition, the second alternating current signals are five paths of output, namely 220V, 180V, 120V, 60V and 30V alternating current signals respectively. That is, the relay K1 output voltage is 30V; the output voltage of the relay K2 is 60V; the output voltage of the relay K3 is 120V; the output voltage of the relay K4 is 180V; the output voltage of the relay K5 is 220V.
Further, the voltage output control circuit further comprises a gear adjusting circuit, the gear adjusting circuit comprises a triode Q6, a triode Q7, a relay K6, a relay K7, a resistor R2 and a resistor R3, and the base electrode of the triode Q6 is connected with the port 7 of the wiring terminal J6, namely, is connected with the third signal output end; the base of the transistor Q7 is connected to the port 8 of the connection terminal J6, i.e. to the fourth signal output. The emitter of the triode Q6 and the emitter of the triode Q7 are connected with a power supply voltage source, and the collector of the triode Q6 and the collector of the triode Q7 are connected with the corresponding input end of the logic buffer U2.
The movable contact of the relay K6 is connected to the second stationary contact of the relay K1, the second stationary contact of the relay K2, the second stationary contact of the relay K3, the second stationary contact of the relay K4 and the second stationary contact of the relay K5. The first static contact of the relay K6 is electrically connected with the voltage output circuit, and the second static contact of the relay K6 is connected with the movable contact of the relay K7; the first static contact of the relay K7 is electrically connected with the voltage output circuit through a resistor R2 and the second static contact through a resistor R3.
In operation, when the movable contact of the relay K6 is connected with the first stationary contact, the voltage output by the voltage output circuit is any one of 30V, 60V, 120V, 180V and 220V. When the movable contact of the relay K6 is connected with the second fixed contact, the voltage output by the voltage output circuit is an adjustable voltage value.
And the voltage output circuit comprises a wiring terminal J4, and the wiring terminal J4 is connected with an external electrode output, such as a connection probe, etc., so that acupuncture and moxibustion can be performed on a user.
For example, the first stationary contact of the relay K6 is connected to the port 2 of the connection terminal J4, and the first stationary contact and the second stationary contact of the relay K7 are connected to the port 2 of the connection terminal J4 through corresponding resistors, respectively.
Preferably, the model of the logical buffer U2 is ULA2003. The model of transistors Q1 to Q7 is C9012.
The current detection circuit comprises a rectifier bridge BR2, an electrolytic capacitor E1, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a sliding rheostat W1, wherein the input end of the rectifier bridge BR2 is connected to a voltage output circuit, namely a wiring terminal J4. The positive electrode of the electrolytic capacitor E1 and one end of the resistor R1 are both connected to the output end of the rectifier bridge BR2, and the negative electrode of the electrolytic capacitor E1 and the other end of the resistor R1 are grounded. The output end of the rectifier bridge BR2 is grounded after passing through the resistor R4 and the resistor R5 in sequence, and the output end of the rectifier bridge BR2 is grounded after passing through the resistor R6, the resistor R7 and the slide rheostat W1 in sequence, the input end of the self-locking circuit is connected between the resistor R4 and the resistor R5, the resistor R6 and the resistor R7 are connected to the display screen through a connecting wire through the main controller, and the self-locking circuit is used for displaying the current sampling signal in the display screen, for example, the resistor R6 and the resistor R7 are connected with the port 9 of the connecting terminal J6, the port 9 of the connecting terminal J6 is correspondingly connected with the port 9 of the connecting terminal J0, and the connecting terminal J0 is correspondingly connected with the port of the single chip IC1, so that the acquired current value or voltage value can be displayed through the display screen through the single chip IC 1. Preferably, the rectifier bridge BR2 is of model DB106.
The self-locking circuit comprises a triode Q8, a triode Q9, a comparator U1A, a comparator U1B, a resistor R14, a resistor R15 and a diode D3, wherein the non-inverting input end of the comparator U1B is connected between the resistor R4 and the resistor R5 of the current detection circuit through the diode D3, the inverting input end of the comparator U1B is connected with the inverting input end of the comparator U1A, and the non-inverting input end of the comparator U1A is connected with the output end of the reset circuit, namely the port of the wiring terminal J0, so that the self-locking circuit is connected with the output end of the reset circuit.
The power supply voltage source is grounded after passing through a resistor R15 and a resistor R14 in sequence, the inverting input end of the comparator U1A is connected between the resistor R15 and the resistor R14, the emitting electrode of the triode Q9 is connected to the power supply voltage source, the base electrode of the triode Q9 is connected to the output end of the comparator U1A through a resistor R17, the collecting electrode of the triode Q9 is connected to the non-inverting input end of the comparator U1B through a resistor R10, the emitting electrode of the triode Q8 is connected to the power supply voltage source, the base electrode of the triode Q8 is connected to the output end of the comparator U1B through a resistor R12, and the collecting electrode of the triode Q8 is connected to the emitting electrodes of the triodes Q1 to Q5 of the voltage output control circuit.
When the voltage of the non-inverting input end of the comparator U1B is larger than that of the inverting input end, the emitter and the collector of the triode Q8 are in a cut-off state, so that the triodes Q1 to Q5 of the voltage output control circuit stop working. The types of the triodes Q8 and Q9 are C9012; the model numbers of the comparator U1A and the comparator U1B are LM393.
When the self-locking is carried out, the voltage value of the voltage output circuit detected by the current detection circuit is then fed into the non-inverting input end of the comparator U1B through the diode D3. When the voltage at the non-inverting input terminal of the comparator U1B (i.e., the voltage value detected by the current detection circuit) is greater than the voltage value at the inverting input terminal of the comparator U1B, the transistor Q8 is turned off, so that the emitters of the transistors Q1 to Q5 in the voltage output control circuit are all at a low level. The collector of the triode Q8 is also connected with the normal phase input end of the comparator U1A, when the triode Q8 is in a cut-off state, the collector of the triode Q8 is in a low level, the voltage value of the normal phase input end of the U1A is smaller than that of the reverse phase input end, the output end of the comparator U1A outputs a low level, the triode Q9 is in a conducting state, so that the voltage of the normal phase input end of the comparator U1B is always higher than that of the reverse phase input end, the self-locking circuit is in a self-locking state, and the sweep frequency spectrum energy meter does not work, thereby ensuring the use safety of a user.
The reset circuit comprises a triode Q18, a resistor R30 and a resistor R31, and an emitter of the triode Q18 is electrically connected with a power supply voltage source. The base electrode of the triode Q18 is connected to the second signal output end through a resistor R31, namely, the pin 29 of the singlechip IC1 is connected. The two ends of the resistor R30 are respectively connected to the emitter and the base of the triode Q18. The collector of the triode Q18 is connected to the positive input end of the comparator U1A, namely, the collector of the triode Q18 is connected with the port 1 of the wiring terminal J0, the port 1 of the wiring terminal J0 is correspondingly connected with the port 1 of the wiring terminal J6, and the port 1 of the wiring terminal J6 is connected with the positive input end of the comparator U1A, so that the self-locking state of the self-locking circuit can be relieved through a reset circuit. The model of the triode Q18 is C9012.
When a user presses a corresponding reset key, the pin 29 of the singlechip IC1 is at a low level, so that the triode Q18 is in a conducting state, that is, the port 1 of the connecting terminal J0 is at a high level, so that the port 1 of the connecting terminal J6 is at a high level, that is, the normal phase input end of the comparator U1A of the self-locking circuit is at a high level, and the triode Q9 is in a cut-off state, so that the normal phase input end of the comparator U1B is at a low level, that is, when the voltage of the normal phase input end of the comparator U1B is smaller than the voltage of the reverse input end, the output end of the comparator U1B outputs a low level, so that the triode Q8 is in a conducting state, that is, the emitters of the triodes Q1 to Q5 in the corresponding voltage output control circuit are at a high level, so that the voltage output control circuit works, and the corresponding voltage is output to the voltage output circuit.
In addition, for the invention, the connection terminal J0 of the main control chip circuit is in one-to-one correspondence with the port of the voltage output control circuit J6, and the connection terminal J5 of the power supply circuit is correspondingly connected with the port of the connection terminal J1 of the buzzer circuit. For example, the main control chip circuit may be connected to the port 9 of the connection terminal J0 through a pin corresponding to the single chip IC1, and the port 9 of the connection terminal J6 is connected between the resistor R6 and the resistor R7 in the current detection circuit, so that a voltage value passing between the resistor R6 and the resistor R7 in the current detection circuit may be obtained, and the voltage value may be displayed on a corresponding display screen.
The invention can provide the sine wave energy for the user, and the current and the voltage of the sine wave energy can be controlled within the range of the safety standard, thereby achieving the comfort level of the human body in the treatment process. The invention can be used for treating diseases such as rheumatic arthritis, lumbar muscle strain, cervical vertebra hyperplasia, hyperosteogeny, fasciitis, scapulohumeral periarthritis, neuralgia, old contusion, sciatica and the like, and has the greatest characteristics of improving and repairing tissue microcirculation, improving organism immunity, enhancing activity and metabolism of human tissue cells, and achieving the purposes of preventing diseases, treating diseases and preserving health.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.
Claims (10)
1. The sweep frequency spectrum energy meter is characterized by comprising a power supply circuit, a main control chip circuit, a reset circuit, a voltage output control circuit, a self-locking circuit, a current detection circuit and a voltage output circuit, wherein the power supply circuit supplies power to the main control chip circuit, the reset circuit, the voltage output control circuit, the self-locking circuit, the current detection circuit and the voltage output circuit;
the output end of the power supply circuit is connected to the voltage output circuit through the voltage output control circuit and is used for transmitting multiple paths of alternating current signals generated by the power supply circuit to the voltage output circuit through the voltage output control circuit for output;
the first signal output end of the main control chip circuit is connected to the first control end of the voltage output control circuit and is used for controlling the voltage output control circuit to select one path of alternating current signal to output to the voltage output circuit by the control signal input by the main control chip circuit;
the output end of the voltage output circuit is connected to the second control end of the voltage output control circuit through the current detection circuit and the self-locking circuit in sequence, and the voltage output control circuit is turned off through the self-locking circuit when the current detection circuit detects that the current of the voltage output circuit is larger than a limiting threshold value;
the self-locking circuit completes the self-locking function until the second signal output end of the main control chip circuit sends an unlocking signal to the control end of the self-locking circuit through the reset circuit to complete unlocking.
2. The swept-spectrum energy meter of claim 1, wherein the power supply circuit includes a mains supply, a transformer and rectifier bridge BR1, a capacitor C3, a capacitor C1, an electrolytic capacitor E2, an electrolytic capacitor E3, a diode D5, an inductor L1, and a voltage regulator U3;
the commercial power is transformed by a transformer to generate a first alternating current signal and a plurality of second alternating current signals; the multi-path second alternating current signals are output by a voltage output circuit through a voltage output control circuit, the first alternating current signals are connected to the input end of a rectifier bridge BR1, the input end of a voltage regulator U3 is connected with the output end of the rectifier bridge BR1, and the output end of the voltage regulator U3 forms a power supply voltage source for supplying power to a main control chip circuit, a reset circuit, the voltage output control circuit, a self-locking circuit, a current detection circuit and the voltage output circuit;
the positive electrode of the electrolytic capacitor E3 and one end of the capacitor C3 are both connected to the output end of the rectifier bridge BR1, and the negative electrode of the electrolytic capacitor E3 and the other end of the capacitor C3 are both grounded; the positive electrode of the electrolytic capacitor E2 and one end of the capacitor C1 are connected to the output end of the voltage regulator U3, and the negative electrode of the electrolytic capacitor E2 and the other end of the capacitor C1 are grounded; the two ends of the inductor L1 are respectively connected with the output end of the voltage regulator U3 and the feedback end of the voltage regulator U3; the anode of the diode D5 is grounded, and the cathode of the diode D5 is connected between the feedback end of the voltage regulator U3 and the inductor L1.
3. The swept spectrum energy meter of claim 2, wherein the main control chip circuit comprises a main controller, a key, a display screen and a buzzer, wherein the key is connected to an input end of the main controller and used for enabling a first signal output end and a second signal output end of the main controller to generate a first signal and a second signal respectively, and the display screen and the buzzer are connected with the main controller and used for displaying information and giving an overcurrent alarm respectively.
4. The swept spectrum energy meter of claim 3, wherein the voltage output control circuit comprises a plurality of first control triodes, a plurality of first relays and a logic buffer, the number of the first control triodes and the first relays are the same as and in one-to-one correspondence with the number of the second alternating current signals, the number of the first signal output ends also corresponds to the number of the second alternating current signals, the base electrode of each first control triode is connected with the corresponding first signal output end, the collector electrode of each first control triode is connected to the corresponding input port of the logic buffer, and the emitter electrode of each first control triode is connected to the output end of the self-locking circuit; each relay comprises a movable contact, a first fixed contact, a coil and a second fixed contact, the corresponding output port of the logic buffer is connected to a power supply voltage source after passing through the coil of the corresponding first relay, the movable contact of each first relay is respectively connected to a corresponding second alternating current signal, and the second fixed contacts are connected to a voltage output circuit.
5. The swept-spectrum energy meter of claim 4, wherein the second ac signal is a five-way output, 220V, 180V, 120V, 60V, and 30V ac signals, respectively.
6. The swept spectrum energy meter of claim 4, wherein the voltage output control circuit further comprises a gear adjustment circuit, the gear adjustment circuit comprising a transistor Q6, a transistor Q7, a second relay, and a third relay, the master controller further having a third signal output for generating a third signal and a fourth signal output for generating a fourth signal, bases of the transistor Q6 and the transistor Q7 being connected to the third signal output and the fourth signal output, respectively; the collector of the triode Q6 is connected to a power supply voltage source through a logic buffer and a coil of a second relay, and the collector of the triode Q7 is connected to the power supply voltage source through the logic buffer and the coil of a third relay; the emitters of the triode Q6 and the triode Q7 are connected to a power supply voltage source, the movable contact of the second relay is connected to the second fixed contact of each first relay, and the first fixed contacts of the second relay are connected to a voltage output circuit; the second stationary contact of the second relay is connected to the movable contact of the third relay, and the first stationary contact and the second stationary contact of the third relay are connected to the voltage output circuit through a resistor R2 and a resistor R3, respectively.
7. The swept-frequency spectrum energy meter of claim 6, wherein the current detection circuit comprises a rectifier bridge BR2, an electrolytic capacitor E1, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a sliding rheostat W1, wherein an input end of the rectifier bridge BR2 is connected to a voltage output circuit, an anode of the electrolytic capacitor E1 and one end of the resistor R1 are both connected to an output end of the rectifier bridge BR2, and a cathode of the electrolytic capacitor E1 and the other end of the resistor R1 are grounded; the output end of the rectifier bridge BR2 is grounded after passing through a resistor R4 and a resistor R5 in sequence, and the output end of the rectifier bridge BR2 is grounded after passing through a resistor R6, a resistor R7 and a slide rheostat W1 in sequence, the input end of the self-locking circuit is connected between the resistor R4 and the resistor R5, and the resistor R6 and the resistor R7 are connected to a display screen through a connecting wire through a main controller and are used for displaying the current sampling signals in the display screen.
8. The swept spectrum energy meter of claim 7, wherein the self-locking circuit comprises a comparator U1A, a comparator U1B, a triode Q8, a triode Q9, a resistor R10, a resistor R12, a resistor R14 and a resistor R15, wherein a positive input terminal of the comparator U1B is connected between the resistor R4 and the resistor R5, a negative input terminal of the comparator U1A is connected with a negative input terminal of the comparator U1B, a positive input terminal of the comparator U1A is connected to an output terminal of a reset circuit, the power supply voltage source is grounded after passing through the resistor R15 and the resistor R14 in sequence, a negative input terminal of the comparator U1A is connected between the resistor R15 and the resistor R14, an emitter of the triode Q8 is connected to the power supply voltage source, a base of the triode Q8 is connected to an output terminal of the comparator U1A through the resistor R17, a positive input terminal of the triode Q8 is connected to a positive input terminal of the comparator U1B through the resistor R10, and a collector of the triode Q9 is connected to a collector of the comparator Q9; the output end of the comparator U1B is also connected to the main controller and used for sending whether the self-locking circuit is in a self-locking state or not to the main controller.
9. The swept spectrum energy meter of claim 8, wherein the reset circuit comprises a transistor Q18, a resistor R30, and a resistor R31, a base of the transistor Q18 is connected to the second signal output terminal through the resistor R31, an emitter of the transistor Q18 is connected to the supply voltage source, two ends of the resistor R30 are connected to the emitter and the base of the transistor Q18, respectively, and a collector of the transistor Q18 is connected to the positive input terminal of the comparator U1A.
10. The swept spectrum energy meter of claim 9, wherein the comparator U1A and the comparator U1B are each LM393; the model numbers of the triode Q8, the triode Q9 and the triode Q18 are C9012; the model of the rectifier bridge BR1 is RS807; the model of the rectifier bridge BR2 is DB106; the model of the logic buffer is ULA2003; model LM2596 of voltage regulator U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167702.4A CN106422053B (en) | 2016-12-16 | 2016-12-16 | Sweep frequency spectrum energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167702.4A CN106422053B (en) | 2016-12-16 | 2016-12-16 | Sweep frequency spectrum energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106422053A CN106422053A (en) | 2017-02-22 |
| CN106422053B true CN106422053B (en) | 2023-09-05 |
Family
ID=58217746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167702.4A Active CN106422053B (en) | 2016-12-16 | 2016-12-16 | Sweep frequency spectrum energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106422053B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854774B (en) * | 2017-10-25 | 2021-03-09 | 国家康复辅具研究中心 | Wireless stimulation walking aid system driven by plantar pressure feedback |
| CN108777571B (en) * | 2018-07-27 | 2024-04-02 | 无锡雷利电子控制技术有限公司 | Signal generation circuit structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626954A (en) * | 1984-09-06 | 1986-12-02 | Eaton Corporation | Solid state power controller with overload protection |
| CN201699392U (en) * | 2010-04-20 | 2011-01-05 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Electrical leakage protector for pressing machine |
| CN201726102U (en) * | 2010-06-12 | 2011-01-26 | 深圳龙多电子科技有限公司 | Intelligent current leakage protection circuit |
| CN202696121U (en) * | 2012-06-07 | 2013-01-23 | 深圳Tcl新技术有限公司 | Power factor correction (PFC) overvoltage protection circuit and switch power supply |
| CN103208782A (en) * | 2013-04-17 | 2013-07-17 | 徐达 | Comprehensive detection and electric protection device for power frequency and variable frequency power supplies |
| CN206566349U (en) * | 2016-12-16 | 2017-10-20 | 广州市英侨科技发展有限公司 | A kind of frequency sweep spectral energy instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2907896Y (en) * | 2005-12-02 | 2007-06-06 | 上海震旦办公设备有限公司 | Paper broken machine |
| CN102348310B (en) * | 2010-08-03 | 2013-08-14 | 英飞特电子（杭州）股份有限公司 | Multi-path LED load power supply circuit |
-
2016
- 2016-12-16 CN CN201611167702.4A patent/CN106422053B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626954A (en) * | 1984-09-06 | 1986-12-02 | Eaton Corporation | Solid state power controller with overload protection |
| CN201699392U (en) * | 2010-04-20 | 2011-01-05 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Electrical leakage protector for pressing machine |
| CN201726102U (en) * | 2010-06-12 | 2011-01-26 | 深圳龙多电子科技有限公司 | Intelligent current leakage protection circuit |
| CN202696121U (en) * | 2012-06-07 | 2013-01-23 | 深圳Tcl新技术有限公司 | Power factor correction (PFC) overvoltage protection circuit and switch power supply |
| CN103208782A (en) * | 2013-04-17 | 2013-07-17 | 徐达 | Comprehensive detection and electric protection device for power frequency and variable frequency power supplies |
| CN206566349U (en) * | 2016-12-16 | 2017-10-20 | 广州市英侨科技发展有限公司 | A kind of frequency sweep spectral energy instrument |
Non-Patent Citations (1)
| Title |
|---|
| 张汉屏 ; .自制电子负载仪.电子制作.2010,(第06期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106422053A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105536142B (en) | A kind of intelligent electric acupuncture apparatus | |
| CN106422053B (en) | Sweep frequency spectrum energy meter | |
| CN101516440A (en) | Potential therapy apparatus and combined electric therapy apparatus | |
| CN201880217U (en) | Intelligent channels/collaterals therapeutic apparatus | |
| CN205163912U (en) | Medium frequency electro -therapeutic appearance | |
| CN206566349U (en) | A kind of frequency sweep spectral energy instrument | |
| JP7236522B1 (en) | Intelligent Heating Adjustable Physical Therapy Machine Based on Bioelectric Feedback | |
| CN202961518U (en) | Low-frequency electro-therapeutic apparatus | |
| CN2879971Y (en) | Three-in-one apparatus contg. good guiding channel, acupuncture-frequency and warm-moxibustion producer | |
| CN205549232U (en) | Head massage instrument | |
| CN101268939A (en) | Human body acupuncture points recognizing therapeutic equipment | |
| CN115671550A (en) | Pulse therapeutic instrument with acupoint detection function | |
| CN204395226U (en) | A kind of physiotherapy table | |
| CN104383636B (en) | Multifunctional health-care therapeutic apparatus | |
| CN206198476U (en) | A kind of Body beautifying instrument | |
| CN204521147U (en) | The physical therapy device of releiving of a kind of headache or cervical vertebra pain | |
| CN203989478U (en) | Parameter is adjustable and the electronic acupuncture apparatus of real-time demonstration | |
| CN210583377U (en) | Cold and hot beauty instrument of blue light | |
| CN209392591U (en) | A kind of thermal therapeutic apparatus | |
| CN213312947U (en) | Electromagnetic physiotherapy instrument | |
| CN205698473U (en) | Low-frequency pulse acupuncture points on the human body physiotherapy table | |
| US20030158590A1 (en) | Human-body potential controlling electrotherapeutic device | |
| CN217612502U (en) | Four-channel double-display intermediate frequency therapeutic apparatus | |
| CN203802799U (en) | Portable electronic moxibustion instrument | |
| CN215505145U (en) | High-voltage potential therapeutic instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jianquan Inventor after: Chen Hongtai Inventor after: Ye Junkun Inventor after: Cen Chunhua Inventor before: Chen Jianquan Inventor before: Chen Hongtai Inventor before: Ye Junkun Inventor before: Cen Chunhua |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |