CN102641209A - Electrocautery therapeutic instrument - Google Patents
Electrocautery therapeutic instrument Download PDFInfo
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- CN102641209A CN102641209A CN201210116182XA CN201210116182A CN102641209A CN 102641209 A CN102641209 A CN 102641209A CN 201210116182X A CN201210116182X A CN 201210116182XA CN 201210116182 A CN201210116182 A CN 201210116182A CN 102641209 A CN102641209 A CN 102641209A
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Abstract
The utility model discloses an electrocautery therapeutic instrument, belonging to the technical field of electrocautery instruments. The electrocautery therapeutic instrument comprises a microprocessor and H bridge circuits, wherein the microprocessor is connected with five H bridge circuits, a keyboard and a liquid crystal displayer respectively through interfaces of the microprocessor; each electrocautery instrument probe is internally provided with a semiconductor refrigeration (heating) sheet and a temperature sensor; the five H bridge circuits are respectively connected with the semiconductor refrigeration (heating) sheets in five electrocautery instrument probes; the temperature sensor is connected to an interface of the microprocessor; a power supply is connected with and supplies power for the microprocessor, the five H bridge circuits, the temperature sensors inside the five electrocautery instrument probes, the keyboard and the liquid crystal displayer respectively. The electrocautery therapeutic instrument is low in power consumption due to the adoption of the semiconductor refrigeration (heating) sheets and high in accuracy and excellent in stability due to the adoption of the digital temperature sensors; the improved structure of the electrocautery instrument probe enables heat energy to be transferred to a medicament placed in a groove at the front end of a housing through the groove, therefore the therapeutic effect can be improved; temperature measurement is correct and scalding is unlikely to happen; and a multiple-way heating and temperature control scheme is provided for the electrocautery instrument.
Description
Technical field
The present invention relates to a kind of electrocautery therapeutic instrument, belong to the electric moxibustion instrument technical field.
Background technology
As everyone knows, in actual electrocautery process, accurately controlling temperature has important effect, can strengthen blood circulation, neural sensitivity degree, can be beneficial to the absorption of medication.Current electric moxibustion instrument can not be accurately and timely the control temperature, this shows both ways:
1, the electric moxibustion instrument probe lacks good conductive structure.Existing electric moxibustion instrument has has only heating plate, does not have pick off, causes overheated and the hot injury easily like this; What have has heating plate and a pick off, but its structure is not optimized for good heat conductive and temperature control.
2, heating function is arranged but do not have refrigerating function.Existing electric moxibustion instrument does not have cooling and cold treatment functions.After heating plate is heated to uniform temperature, can not lower the temperature rapidly as required,,, cause the hot injury easily in default of refrigeration mechanism in case superheated situation occurs.During some state of an illness treatment, subambient cold treatment need be provided, existing electric moxibustion instrument lacks this function.Patent as the patent No. is 01136833, denomination of invention is electric moxibustion instrument promptly belongs to these row.
Summary of the invention
In order to solve the deficiency that existing electric moxibustion instrument can not the excellent control temperature, the present invention provides a kind of electrocautery therapeutic instrument, realizes that heating and cooling is integrated, temperature can be controlled automatically and the purpose of displays temperature simultaneously.
Technical solution scheme of the present invention is following:
A kind of electrocautery therapeutic instrument comprises microprocessor (ARM), five road H bridge circuits, five road electric moxibustion instrument probes, keyboard, liquid crystal display and power supply, it is characterized in that microprocessor is connected with liquid crystal display with five road H bridge circuits, keyboard respectively through its interface; In the electric moxibustion instrument probe semiconductor refrigerating (heat) sheet and temperature sensor are housed, five road H bridge circuits are connected to control the on off operating mode of its heating and cooling with interior semiconductor refrigerating (heat) sheet of five road electric moxibustion instruments probe respectively; Temperature sensor is connected on the interface of microprocessor, through the liquid crystal display displays temperature that is connected with microprocessor; Have digital keys and control button on the keyboard, the control button comprises startups, stops, the selected temperature button, through the digital keys on the keyboard with control button and can import design temperature and startup, stop heating process; Power supply links to each other and thinks its power supply with microprocessor, five road H bridge circuits, interior temperature sensor, keyboard and the liquid crystal display of five road electric moxibustion instruments probe respectively;
Every road electric moxibustion instrument probe comprises shell and probe fixing metal piece, and wherein shell is a cylindrical shape, and its side has wire hole, is convenient to the inside and outside connecting line process of shell; The shell front end has groove, is used to place medicine, and rear inside is threaded; The front end internal fixation circular metal heat conduction pad of shell, metal heat-conducting pad back is laying temperature pick off, semiconductor refrigerating (heat) sheet and heat radiation (cold) pad successively; Probe fixing metal piece is cylindrical; Its side has and the inboard suitable screw thread of outer casing back; Its rear end has screw; Probe fixing metal piece can be screwed in the outer casing back cased temperature sensor, semiconductor refrigerating (heat) sheet and heat radiation (cold) pad are tightened, and the screw on the probe fixing metal piece is used for the fixing of whole electric moxibustion instrument probe;
Every road H bridge circuit comprises 6 pliotron Q1-Q6, current-limiting resistance and load resistances; Wherein Q1, Q2, Q5 and Q6 are silicon NPN audions; Q3, Q4 are silicon PNP audions; The emitter-base bandgap grading of pliotron Q1 and Q3 links to each other as the k1 point, and the base stage of pliotron Q1 and Q3 links to each other and links to each other with the colelctor electrode of current-limiting resistance R1 and pliotron Q5; The other end of the colelctor electrode of pliotron Q1 and current-limiting resistance R1 links to each other and receives on the power supply, and the base stage of pliotron Q5 connects through the port IO0 of current-limiting resistance R3 and microprocessor and links to each other; The emitter-base bandgap grading of pliotron Q2 and Q4 links to each other as the k2 point, and the base stage of pliotron Q2 and Q4 links to each other and links to each other with the colelctor electrode of current-limiting resistance R2 and pliotron Q6; The other end of the colelctor electrode of pliotron Q2 and current-limiting resistance R2 links to each other and receives on the power supply; The base stage of pliotron Q6 connects through the port IO1 of current-limiting resistance R4 and microprocessor and links to each other; The emitter grounding of the colelctor electrode of pliotron Q3-Q4 and pliotron Q5-Q6, k1, k2 point are connected respectively to the two ends of semiconductor refrigerating (heat) sheet in this road electric moxibustion instrument probe.
The shell of described electric moxibustion instrument probe is processed by bakelite or rigid plastics.
Described microprocessor model is the technical grade chip LPC1768 or the LPC1769 of ARM-Cortex M3 kernel.
Described semiconductor refrigerating (heat) sheet be 2CM*2CM to the 4CM*4CM size, electric current 1A selects to the 6A scope.
Described temperature sensor is a digital temperature sensor, and type is the flat steel toe of DS18b20, and length 2CM selects to 4CM.
The present invention adopts technical grade ARM process nuclear chip to take on the electric moxibustion instrument microprocessor, exports five groups of pwm control signals, controls five road H bridges, thereby controls the power supply of semiconductor refrigerating (heat) sheet on five road electric moxibustion instruments probe.Therefore the output that can commutate of H bridge circuit can control each semiconductor chilling plate heating, refrigeration (semiconductor chilling plate is just connecing heating, the reversal connection refrigeration).Each electric moxibustion instrument probe is all formed by semiconductor refrigerating (heat) sheet and a temperature sensor encapsulation.During use; Digital keys through keyboard is imported the temperature that each probe sets respectively, and microprocessor control pulse-width signal PWM exports, thereby controls the on off state of each semiconductor refrigerating (heat) sheet; Control it and whether heat (refrigeration) and heating (refrigeration) speed; When temperature was about to reach setting value, control heating (refrigeration) stopped, in the time of outside temperature changes to the permission fluctuation range again; Continue to start heating (refrigeration), so just temperature is remained within the certain up and down scope of setting value.Temperature sensor can the collecting temperature signal and temperature signal data is transferred to the ARM controller through monobus lin protocol.The ARM controller is presented at temperature, actual temperature and heating (refrigeration) state of setting on the liquid crystal display respectively.Can place medicament in the groove of electric moxibustion instrument probing shell front end, thereby reach therapeutic purposes patient through heating the assimilation effect that can strengthen medicament.
The method of work of microprocessor in a kind of above-mentioned electrocautery therapeutic instrument, step is following:
1) after the electrocautery therapeutic instrument powers on, microprocesser initialization liquid crystal display screen, temperature sensor;
2) microprocessor keyboard scan; Wait selected temperature button is pressed, and after the selected temperature button was pressed, microprocessor read the key assignments of digital keys; Temperature value as setting is saved in the memory variable; The temperature on each road is set respectively, when five the tunnel all set completion after, change step 3) over to;
3) microprocessor is read current room temperature, the temperature of setting according to each road again, and the initialization timing enumerator is exported five groups of pulse-width signal PWM, starts each electric moxibustion instrument probe heating (refrigeration); If design temperature is higher than room temperature and then heats, design temperature is lower than room temperature and then freezes;
4) constantly more current each the road electric moxibustion instrument probe of microprocessor is gathered the temperature value of returning; And and design temperature (being saved in the temperature value in the variable) compare; If being less than or equaling 2, their difference spends; Then stop heating (refrigeration), surpass 2 degree, then open heating (refrigeration) process again if the temperature that current collection is returned is lower than (being higher than) design temperature;
5) microprocessor temperature value and set temperature value that the current collection of each electric moxibustion instrument probe is returned is presented on the liquid crystal display screen respectively, so that supervision;
6) microprocessor keyboard scan if " stopping " button is pressed, is then forced to stop heating process, changes next step over to, if " startup " button is pressed, then changes step 1) over to, restarts heating process;
7) electrocautery therapeutic instrument end-of-job.
The present invention uses microprocessor to control No. five electrocautery probe and controls five road H bridge circuits through liquid crystal display displays treatment information through PWM (pulsewidth modulation), thereby controls heating (refrigeration) state of five road electric moxibustion instruments probe.The electric moxibustion instrument probe adopts semiconductor refrigerating (heat) sheet to seal with temperature sensor then becomes, and semiconductor refrigerating (heat) sheet is used for heating, and temperature sensor is used for measuring temperature and sends the ARM controller to and realizes closed loop control.Temperature can be set through input equipment.
The invention has the beneficial effects as follows that use semiconductor refrigerating (heat) sheet as heating, refrigerating plant, power consumption is lower when producing identical thermal change; As sniffer, accuracy is high, good stability through digital temperature sensor; Improved electric moxibustion instrument sonde configuration makes heat pass to the medicament of placing in it through the groove of shell front end, can improve therapeutic effect; Temperature measuring is accurate, is difficult for scalding; For electric moxibustion instrument provide a kind of can multichannel the scheme of heating temperature control.
Description of drawings:
Fig. 1 is the structural representation of electrocautery therapeutic instrument of the present invention.
Wherein: 1, liquid crystal display, 2, keyboard, 3, microprocessor, 4, power supply, 5,5 road H bridge circuits, 6, the electric moxibustion instrument probe.
Fig. 2 is the circuit diagram of one road H bridge circuit wherein among the present invention.
Wherein: Q1-Q6 is a pliotron, and R3, R4 are current-limiting resistances, and R1, R2 are the load resistances of Q5, Q6, and k1, k2 point connect semiconductor refrigerating (heat) sheet of this road electric moxibustion instrument probe, and IO0, IO1 connect the microprocessor digital port.When IO0 high level, IO1 low level, Q5 conducting, Q6 end, thus Q3, Q2 conducting, and electric current flows to k1 from k2, realizes heating.When IO0 low level, IO1 high level, Q5 is by, Q6 conducting, thus Q1, Q4 conducting, and electric current flows to k2 from k1, realizes refrigeration.
Fig. 3 is the cross section structure sketch map of one tunnel cylindrical electric moxibustion instrument probe among the present invention.
Wherein: 11, groove, (being used to place medicine) 12, metal heat-conducting pad, 13, temperature sensor; 14, semiconductor refrigerating (heat) sheet; 15, heat radiation (cold) pad, 16, shell, 17, probe fixing metal piece; (being used for fixing the enclosure assembly) 18, screw, (being used for fixing whole electric moxibustion instrument probe) 19, wire hole.
Fig. 4 is the flow chart of the method for work of microprocessor in the electric moxibustion instrument of the present invention, wherein 1) and-7) be its each step.
The specific embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is described further, but is not limited thereto.
Embodiment 1:
The embodiment of the invention 1 is shown in Fig. 1-3; Comprise microprocessor 3, five road H bridge circuits 5, five road electric moxibustion instruments probe 6, keyboard 2, liquid crystal display 1 and power supply 4, it is characterized in that microprocessor 3 is connected with liquid crystal display 1 with five road H bridge circuits 5, keyboard 2 respectively through its interface; Semiconductor refrigerating (heat) sheet 14 is housed in the electric moxibustion instrument probe 6 to be connected to control the on off operating mode of its heating and cooling with five road electric moxibustion instruments probe, 6 interior semiconductor refrigerating (heat) sheets 14 respectively with temperature sensor 13, five road H bridge circuits 5; Temperature sensor 13 is connected on the interface of microprocessor 3, through liquid crystal display 1 displays temperature that is connected with microprocessor 3; Have digital keys and control button on the keyboard 2, the control button comprises startups, stops, the selected temperature button, through the digital keys on the keyboard 2 with control button and can import design temperature and startup, stop heating process; Power supply 4 respectively with microprocessor 3, five road H bridge circuits 5, five road electric moxibustion instruments probe 6 in temperature sensor 13, keyboard 2 and liquid crystal displays 1 link to each other and think its power supply;
Every road electric moxibustion instrument probe 6 comprises shell 16 and probe fixing metal piece 17, and wherein shell 16 is a cylindrical shape, and its side has wire hole 19, is convenient to shell 16 inside and outside connecting lines and passes through; Shell 16 front ends have groove 11, are used to place medicine, and rear inside is threaded; The front end internal fixation circular metal heat conduction pad 12 of shell 16, metal heat-conducting pad back be laying temperature pick off 13, semiconductor refrigerating (heat) sheet 14 and heat radiation (cold) pad 15 successively; Probe fixing metal piece 17 is cylindrical; Its side has and the suitable screw thread of shell 16 rear inside; Its rear end has screw; Probe fixing metal piece 17 can be screwed in shell 16 rear ends temperature sensor 13, semiconductor refrigerating (heat) sheet 14 and heat radiation (cold) pad 15 that is contained in the shell 16 is tightened, and the screw on the probe fixing metal piece 17 is used for the fixing of whole electric moxibustion instrument probe 6;
Every road H bridge circuit comprises 6 pliotron Q1-Q6, current-limiting resistance and load resistances; Wherein Q1, Q2, Q5 and Q6 are silicon NPN audions; Q3, Q4 are silicon PNP audions; The emitter-base bandgap grading of pliotron Q1 and Q3 links to each other as the k1 point, and the base stage of pliotron Q1 and Q3 links to each other and links to each other with the colelctor electrode of current-limiting resistance R1 and pliotron Q5; The other end of the colelctor electrode of pliotron Q1 and current-limiting resistance R1 links to each other and receives on the power supply, and the base stage of pliotron Q5 connects through the port IO0 of current-limiting resistance R3 and microprocessor and links to each other; The emitter-base bandgap grading of pliotron Q2 and Q4 links to each other as the k2 point, and the base stage of pliotron Q2 and Q4 links to each other and links to each other with the colelctor electrode of current-limiting resistance R2 and pliotron Q6; The other end of the colelctor electrode of pliotron Q2 and current-limiting resistance R2 links to each other and receives on the power supply; The base stage of pliotron Q6 connects through the port IO1 of current-limiting resistance R4 and microprocessor and links to each other; The emitter grounding of the colelctor electrode of pliotron Q3-Q4 and pliotron Q5-Q6, k1, k2 point are connected respectively to the two ends of semiconductor refrigerating (heat) sheet 14 in this road electric moxibustion instrument probe 6.
The shell 16 of described electric moxibustion instrument probe 6 is processed by bakelite or rigid plastics.
Described microprocessor 3 models are the technical grade chip LPC1768 or the LPC1769 of ARM-Cortex M3 kernel.
Described semiconductor refrigerating (heat) sheet be 2CM*2CM to the 4CM*4CM size, electric current 1A selects to the 6A scope.
Described temperature sensor 13 is a digital temperature sensor, and type is the flat steel toe of DS18b20, length
2CM selects to 4CM.
Embodiment 2:
The method of work of microprocessor in a kind of above-mentioned electrocautery therapeutic instrument, as shown in Figure 4, step is following:
1) after the electrocautery therapeutic instrument powers on, microprocesser initialization liquid crystal display screen, temperature sensor;
2) microprocessor keyboard scan; Wait selected temperature button is pressed, and after the selected temperature button was pressed, microprocessor read the key assignments of digital keys; Temperature value as setting is saved in the memory variable; The temperature on each road is set respectively, when five the tunnel all set completion after, change step 3) over to;
3) microprocessor is read current room temperature, the temperature of setting according to each road again, and the initialization timing enumerator is exported five groups of pulse-width signal PWM, starts each electric moxibustion instrument probe heating (refrigeration); If design temperature is higher than room temperature and then heats, design temperature is lower than room temperature and then freezes;
4) constantly more current each the road electric moxibustion instrument probe of microprocessor is gathered the temperature value of returning; And and design temperature (being saved in the temperature value in the variable) compare; If being less than or equaling 2, their difference spends; Then stop heating (refrigeration), surpass 2 degree, then open heating (refrigeration) process again if the temperature that current collection is returned is lower than (being higher than) design temperature;
5) microprocessor temperature value and set temperature value that the current collection of each electric moxibustion instrument probe is returned is presented on the liquid crystal display screen respectively, so that supervision;
6) microprocessor keyboard scan if " stopping " button is pressed, is then forced to stop heating process, changes next step over to, if " startup " button is pressed, then changes step 1) over to, restarts heating process;
7) electrocautery therapeutic instrument end-of-job.
Claims (5)
1. an electrocautery therapeutic instrument comprises microprocessor, five road H bridge circuits, five road electric moxibustion instrument probes, keyboard, liquid crystal display and power supply, it is characterized in that microprocessor is connected with liquid crystal display with five road H bridge circuits, keyboard respectively through its interface; In the electric moxibustion instrument probe semiconductor refrigerating (heat) sheet and temperature sensor are housed, five road H bridge circuits are connected to control the on off operating mode of its heating and cooling with interior semiconductor refrigerating (heat) sheet of five road electric moxibustion instruments probe respectively; Temperature sensor is connected on the interface of microprocessor, through the liquid crystal display displays temperature that is connected with microprocessor; Have digital keys and control button on the keyboard, the control button comprises startups, stops, the selected temperature button, through the digital keys on the keyboard with control button and can import design temperature and startup, stop heating process; Power supply links to each other and thinks its power supply with microprocessor, five road H bridge circuits, interior temperature sensor, keyboard and the liquid crystal display of five road electric moxibustion instruments probe respectively;
Every road electric moxibustion instrument probe comprises shell and probe fixing metal piece, and wherein shell is a cylindrical shape, and its side has wire hole, is convenient to the inside and outside connecting line process of shell; The shell front end has groove, is used to place medicine, and rear inside is threaded; The front end internal fixation circular metal heat conduction pad of shell, metal heat-conducting pad back is laying temperature pick off, semiconductor refrigerating (heat) sheet and heat radiation (cold) pad successively; Probe fixing metal piece is cylindrical; Its side has and the inboard suitable screw thread of outer casing back; Its rear end has screw; Probe fixing metal piece can be screwed in the outer casing back cased temperature sensor, semiconductor refrigerating (heat) sheet and heat radiation (cold) pad are tightened, and the screw on the probe fixing metal piece is used for the fixing of whole electric moxibustion instrument probe;
Every road H bridge circuit comprises 6 pliotron Q1-Q6, current-limiting resistance and load resistances; Wherein Q1, Q2, Q5 and Q6 are silicon NPN audions; Q3, Q4 are silicon PNP audions; The emitter-base bandgap grading of pliotron Q1 and Q3 links to each other as the k1 point, and the base stage of pliotron Q1 and Q3 links to each other and links to each other with the colelctor electrode of current-limiting resistance R1 and pliotron Q5; The other end of the colelctor electrode of pliotron Q1 and current-limiting resistance R1 links to each other and receives on the power supply, and the base stage of pliotron Q5 connects through the port IO0 of current-limiting resistance R3 and microprocessor and links to each other; The emitter-base bandgap grading of pliotron Q2 and Q4 links to each other as the k2 point, and the base stage of pliotron Q2 and Q4 links to each other and links to each other with the colelctor electrode of current-limiting resistance R2 and pliotron Q6; The other end of the colelctor electrode of pliotron Q2 and current-limiting resistance R2 links to each other and receives on the power supply; The base stage of pliotron Q6 connects through the port IO1 of current-limiting resistance R4 and microprocessor and links to each other; The emitter grounding of the colelctor electrode of pliotron Q3-Q4 and pliotron Q5-Q6, k1, k2 point are connected respectively to the two ends of semiconductor refrigerating (heat) sheet in this road electric moxibustion instrument probe.
2. a kind of electrocautery therapeutic instrument as claimed in claim 1 is characterized in that the shell of described electric moxibustion instrument probe is processed by bakelite or rigid plastics.
3. a kind of electrocautery therapeutic instrument as claimed in claim 1 is characterized in that described temperature sensor is a digital temperature sensor.
4. a kind of electrocautery therapeutic instrument as claimed in claim 1 is characterized in that technical grade chip LPC1768 or LPC1769 that described microprocessor model is the ARM-CortexM3 kernel.
5. method of work of microprocessor in the electrocautery therapeutic instrument according to claim 1, step is following:
1) after the electrocautery therapeutic instrument powers on, microprocesser initialization liquid crystal display screen, temperature sensor;
2) microprocessor keyboard scan; Wait selected temperature button is pressed, and after the selected temperature button was pressed, microprocessor read the key assignments of digital keys; Temperature value as setting is saved in the memory variable; The temperature on each road is set respectively, when five the tunnel all set completion after, change step 3) over to;
3) microprocessor is read current room temperature, the temperature of setting according to each road again, and the initialization timing enumerator is exported five groups of pulse-width signal PWM, starts each electric moxibustion instrument probe heating (refrigeration); If design temperature is higher than room temperature and then heats, design temperature is lower than room temperature and then freezes;
4) constantly more current each the road electric moxibustion instrument probe of microprocessor is gathered the temperature value of returning; And compare with design temperature; If being less than or equaling 2, their difference spends; Then stop heating or refrigeration, surpass 2 degree, then open heating or process of refrigerastion again if the temperature that current collection is returned is below or above design temperature;
5) microprocessor temperature value and set temperature value that the current collection of each electric moxibustion instrument probe is returned is presented on the liquid crystal display screen respectively, so that supervision;
6) microprocessor keyboard scan if " stopping " button is pressed, is then forced to stop heating process, changes next step over to, if " startup " button is pressed, then changes step 1) over to, restarts heating process;
7) electrocautery therapeutic instrument end-of-job.
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| CN201210116182XA CN102641209B (en) | 2012-04-19 | 2012-04-19 | Electrocautery therapeutic instrument |
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| CN201210116182XA CN102641209B (en) | 2012-04-19 | 2012-04-19 | Electrocautery therapeutic instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523331A (en) * | 2014-12-19 | 2015-04-22 | 上海电机学院 | Temperature difference refrigeration based temperature-adjustable scalpel |
| CN105326638A (en) * | 2015-10-26 | 2016-02-17 | 华南理工大学 | Low-power-consumption wearable electromagnetic ultrasonic medicinal moxibustion device |
| CN105411842A (en) * | 2015-12-29 | 2016-03-23 | 中国科学院苏州生物医学工程技术研究所 | PID (proportion integral derivative) temperature control based electronic moxibustion apparatus |
| CN108563260A (en) * | 2016-12-26 | 2018-09-21 | 武汉博激世纪科技有限公司 | A kind of high accuracy temperature control circuit with DAC constant-current circuits |
| CN113110648A (en) * | 2021-03-18 | 2021-07-13 | 上海品致测控技术有限公司 | Novel temperature control system |
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