CN212679246U - Safety protection circuit of laser therapy apparatus - Google Patents
Safety protection circuit of laser therapy apparatus Download PDFInfo
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- CN212679246U CN212679246U CN202020398271.8U CN202020398271U CN212679246U CN 212679246 U CN212679246 U CN 212679246U CN 202020398271 U CN202020398271 U CN 202020398271U CN 212679246 U CN212679246 U CN 212679246U
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- 238000002647 laser therapy Methods 0.000 title claims abstract description 31
- 230000001225 therapeutic effect Effects 0.000 claims abstract description 20
- 230000009977 dual effect Effects 0.000 claims description 35
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The utility model relates to the field of medical equipment, especially, relate to a laser therapy apparatus safety protection circuit. The utility model provides a laser therapy apparatus safety protection circuit which can remind medical personnel of overhigh temperature and need to be processed in time to avoid accidents. The technical scheme is as follows: a laser therapeutic machine safety protection circuit comprises a first temperature sensor, a second temperature sensor, a comparator circuit and the like; the first temperature sensor is connected with the input end of the comparator circuit. The utility model discloses a first temperature sensor and second temperature sensor's effect can detect the temperature of laser therapy apparatus, and when the high temperature that detects, alarm circuit begins to report to the police, reminds medical personnel laser therapy apparatus's high temperature, needs to pay attention to, avoids meeting accident.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a laser therapy apparatus safety protection circuit.
Background
The laser therapeutic machine is a medical apparatus used for cutting, vaporizing, carbonizing, coagulating and irradiating human tissues to achieve a therapeutic effect, is mainly applied to otolaryngology departments, dermatology departments, neurosurgery departments and the like, and the laser therapeutic machine is likely to have poor heat dissipation in the working process, so that the temperature of the laser therapeutic machine is too high, the service life of the laser therapeutic machine is further affected, and accidents are likely to occur seriously.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that the laser therapy apparatus has poor heat dissipation, the temperature of the laser therapy apparatus is overhigh, the service life of the laser therapy apparatus is influenced, and accidents can happen seriously, the technical problem to be solved is that: the laser therapy apparatus safety protection circuit can remind medical personnel that the temperature of the laser therapy apparatus is too high, the laser therapy apparatus needs to be processed in time, and accidents are avoided.
The technical scheme is as follows: the utility model provides a laser therapy apparatus safety protection circuit, is including first temperature sensor, second temperature sensor, comparator circuit, power module, first potentiometre, second potentiometre and alarm circuit, first temperature sensor is connected with the input of comparator circuit, the output of comparator circuit is connected with alarm circuit's input, first temperature sensor is connected with first potentiometre, second temperature sensor is connected with the second potentiometre, power module is first temperature sensor, second temperature sensor, comparator circuit, first potentiometre, second potentiometre and alarm circuit power supply.
In one embodiment, the laser therapeutic machine further comprises a relay driving circuit, the output end of the comparator circuit is connected with the input end of the relay driving circuit, the relay driving circuit is connected with the laser therapeutic machine, and the power supply module supplies power to the relay driving circuit.
In one embodiment, the comparator circuit comprises a dual operational amplifier LM358, a first resistor R1, a second resistor R2, a first diode D1, a second diode D2, a first potentiometer VR1, a second potentiometer VR2 and an electrolytic capacitor EC1, wherein 4 pins of the dual operational amplifier LM358 are grounded, 8 pins of the dual operational amplifier LM358 are connected with +5V, 2 pins of the dual operational amplifier LM358 are connected with 6 pins of the dual operational amplifier LM358 in parallel, the first resistor R1 is connected with the second resistor R2 in series, the other end of the first resistor R1 is grounded, the other end of the second resistor R2 is connected with +5V, 2 pins of the dual operational amplifier LM358 are connected with a series connection middle point of a first resistor R1 and a second resistor R2, the first diode D1 is connected with the first potentiometer VR1 in series, an anode of the first diode D1 is grounded, the other end of the first potentiometer 1 and an input end of the first diode VR 358 are connected with +5V, the first potentiometer VR1 and the middle point of the dual operational amplifier LM 1 are connected with the first diode VR 3 and the first potentiometer 1 in series, the second diode D2 is connected in series with a second potentiometer VR2, the anode of the second diode D2 is grounded, the other end of the second potentiometer VR2 and the input end thereof are both connected with +5V, the pin 5 of the dual operational amplifier LM358 is connected with the series middle point of the second diode D2 and the second potentiometer VR2, and the pin 8 of the dual operational amplifier LM358 is connected in series with an electrolytic capacitor EC1 which is grounded.
In one embodiment, the alarm circuit comprises a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first triode Q1 and a buzzer BZ1, wherein a pin 7 of the dual operational amplifier LM358 is connected in series with the third resistor R3 and a base of a first triode Q1, an emitter of the first triode Q1 is connected with +5V, a base of the first triode Q1 is connected in series with the fourth resistor R4, the other end of the fourth resistor R4 is connected with +5V, a collector of the first triode Q1 is connected in series with the fifth resistor R5 and the buzzer BZ1, and the other end of the buzzer BZ1 is grounded.
In one embodiment, the relay driving circuit comprises a second triode Q2, a sixth resistor R6, a seventh resistor R7, a third diode D3 and a relay RL1, wherein a pin 1 of the dual operational amplifier LM358 is connected in series with the sixth resistor R6 and a base of a second triode Q2, a base of the second triode Q2 is connected in series with the seventh resistor R7, the other end of the seventh resistor R7 is connected with +5V, an emitter of the second triode Q2 is connected with +5V, a collector of the second triode Q2 is connected with the relay RL1, the other end of the relay RL1 is connected with ground, and two ends of the relay RL1 are connected in parallel with the third diode D3.
The utility model can detect the temperature of the laser therapy apparatus through the action of the first temperature sensor and the second temperature sensor, when the detected temperature is too high, the alarm circuit starts to alarm to remind medical personnel that the temperature of the laser therapy apparatus is too high, attention is needed, and accidents are avoided; through the effect of the relay drive circuit, when the temperature of the laser therapy apparatus is too high, the laser therapy apparatus can be controlled to stop working, and accidents caused by the fact that medical staff do not timely handle the laser therapy apparatus are avoided.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Labeled as: 1. the laser therapeutic machine comprises a first temperature sensor, a second temperature sensor, a comparator circuit, a power module, a relay driving circuit, a laser therapeutic machine, a first potentiometer, a second potentiometer, a warning circuit and a control circuit, wherein the first temperature sensor is 2, the second temperature sensor is 3, the comparator circuit is 4, the power module is 5, the relay driving circuit is 6, the laser therapeutic machine is 7, the first potentiometer is 8, the second potentiometer is 9, and the warning circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
The utility model provides a laser therapy apparatus safety protection circuit, as shown in figure 1, including first temperature sensor 1, second temperature sensor 2, comparator circuit 3, power module 4, first potentiometre 7, second potentiometre 8 and alarm circuit 9, first temperature sensor 1 is connected with comparator circuit 3's input, comparator circuit 3's output is connected with alarm circuit 9's input, first temperature sensor 1 is connected with first potentiometre 7, second temperature sensor 2 is connected with second potentiometre 8, power module 4 is first temperature sensor 1, second temperature sensor 2, comparator circuit 3, first potentiometre 7, second potentiometre 8 and alarm circuit 9 power supply.
After the safety protection circuit of the laser therapy apparatus 6 is powered on, the first temperature sensor 1 and the second temperature sensor 2 start to work, the first temperature sensor 1 and the second temperature sensor 2 can detect the temperature of the laser therapy apparatus 6, medical staff sets the highest temperature of the laser therapy apparatus 6 through the first potentiometer 7 and the second potentiometer 8, when the temperature detected by the first temperature sensor 1 and the second temperature sensor 2 reaches the set highest temperature, the alarm circuit 9 starts to give an alarm to remind the medical staff that the temperature of the laser therapy apparatus 6 is too high, attention needs to be paid, and accidents are avoided. When the temperatures detected by the first temperature sensor 1 and the second temperature sensor 2 are lower than the set maximum temperature, the alarm circuit 9 stops alarming.
Example 2
The safety protection circuit of the laser therapeutic machine is characterized by further comprising a relay drive circuit 5, wherein the output end of a comparator circuit 3 is connected with the input end of the relay drive circuit 5, the relay drive circuit 5 is connected with a laser therapeutic machine 6, and a power supply module 4 supplies power to the relay drive circuit 5.
When the temperatures detected by the first temperature sensor 1 and the second temperature sensor 2 reach the set highest temperature, the relay drive circuit 5 controls the laser therapy apparatus 6 to stop working, so that medical staff is prevented from handling in time and accidents are avoided.
Example 3
A laser therapeutic machine safety protection circuit is disclosed, as shown in FIG. 2, the comparator circuit 3 includes a dual operational amplifier LM358, a first resistor R1, a second resistor R2, a first diode D1, a second diode D2, a first potentiometer 7VR1, a second potentiometer 8VR2 and an electrolytic capacitor EC1, the 4 feet of the dual operational amplifier LM358 are grounded, the 8 feet of the dual operational amplifier LM358 are connected with +5V, the 2 feet of the dual operational amplifier LM358 are connected with the 6 feet thereof in parallel, the first resistor R1 is connected with the second resistor R2 in series, the other end of the first resistor R1 is grounded, the other end of the second resistor R2 is connected with +5V, the 2 feet of the dual operational amplifier LM358 are connected with the series middle point of a first resistor R1 and a second resistor R2, the first diode D1 is connected with the first potentiometer 7VR1 in series, the anode of the first diode D1 is grounded, the other end of the first diode VR 7V 1 is connected with the input end of the VR1, the 3 feet of the dual operational amplifier LM358 are connected with the series middle point of a first diode D1 and a first potentiometer 7VR1, the second diode D2 is connected with a second potentiometer 8VR2 in series, the anode of the second diode D2 is grounded, the other end and the input end of the second potentiometer 8VR2 are both connected with +5V, the 5 feet of the dual operational amplifier LM358 are connected with the series middle point of a second diode D2 and a second potentiometer 8VR2, and the 8 feet of the dual operational amplifier LM 1 are connected with the ground.
The alarm circuit 9 comprises a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first triode Q1 and a buzzer BZ1, a 7-pin of the dual operational amplifier LM358 is connected with the bases of the third resistor R3 and the first triode Q1 in series, the emitting electrode of the first triode Q1 is connected with +5V, the base of the first triode Q1 is connected with the fourth resistor R4 in series, the other end of the fourth resistor R4 is connected with +5V, the collector of the first triode Q1 is connected with the fifth resistor R5 and the buzzer BZ1 in series, and the other end of the buzzer BZ1 is grounded.
The relay driving circuit 5 comprises a second triode Q2, a sixth resistor R6, a seventh resistor R7, a third diode D3 and a relay RL1, wherein a pin 1 of the dual operational amplifier LM358 is connected in series with the sixth resistor R6 and the base of the second triode Q2, the base of the second triode Q2 is connected in series with the seventh resistor R7, the other end of the seventh resistor R7 is connected with +5V, the emitter of the second triode Q2 is connected with +5V, the collector of the second triode Q2 is connected with the relay RL1, the other end of the relay RL1 is grounded, and two ends of the relay RL1 are connected in parallel with the third diode D3.
After the safety protection circuit of the laser therapy apparatus 6 is powered on, the first diode D1 and the second diode D2 start to work, the first diode D1 and the second diode D2 can detect the temperature of the laser therapy apparatus 6, medical staff set the highest temperature of the laser therapy apparatus 6 through the first potentiometer 7VR1 and the second potentiometer 8VR2, when the temperature detected by the first diode D1 and the second diode D2 reaches the set highest temperature, the 7 feet of the dual operational amplifier LM358 output low level, the first triode Q1 is conducted, the buzzer BZ1 sounds, the medical staff is reminded that the temperature of the laser therapy apparatus 6 is too high, attention is needed, accidents are avoided, the 1 foot of the dual operational amplifier LM358 also outputs low level, the second triode Q2 is conducted, the laser therapy apparatus 6 stops working, and accidents caused by the fact that the medical staff does not process the accidents in time are avoided. When the temperature detected by the first diode D1 and the second diode D2 is lower than the set highest temperature, the pin 7 of the dual operational amplifier LM358 outputs a high level, the first triode Q1 is cut off, and the buzzer BZ1 does not sound.
The dual operational amplifier LM358 internally comprises two independent operational amplifiers with high gain and internal frequency compensation, is suitable for a single power supply with a wide power supply voltage range, is also suitable for a dual-power supply working mode, and has no relation between power supply current and power supply voltage under the recommended working condition. The application range of the device comprises a sensing amplifier, a direct current gain module and other occasions using an operational amplifier which can be powered by a single power supply.
It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a laser therapy apparatus safety protection circuit, its characterized in that, including first temperature sensor, second temperature sensor, comparator circuit, power module, first potentiometre, second potentiometre and warning circuit, first temperature sensor is connected with the input of comparator circuit, the output of comparator circuit is connected with warning circuit's input, first temperature sensor is connected with first potentiometre, second temperature sensor is connected with the second potentiometre, power module is first temperature sensor, second temperature sensor, comparator circuit, first potentiometre, second potentiometre and warning circuit power supply.
2. The laser therapeutic machine safety protection circuit according to claim 1, characterized in that, the laser therapeutic machine safety protection circuit further comprises a relay drive circuit, the output end of the comparator circuit is connected with the input end of the relay drive circuit, the relay drive circuit is connected with the laser therapeutic machine, and the power supply module supplies power to the relay drive circuit.
3. The laser therapeutic apparatus safety protection circuit of claim 2, wherein said comparator circuit comprises a dual operational amplifier LM358, a first resistor R1, a second resistor R2, a first diode D1, a second diode D2, a first potentiometer VR1, a second potentiometer VR2 and an electrolytic capacitor EC1, wherein 4 pins of said dual operational amplifier LM358 are grounded, 8 pins of said dual operational amplifier LM358 are connected to +5V, 2 pins of said dual operational amplifier LM358 are connected in parallel with 6 pins thereof, said first resistor R1 is connected in series with the second resistor R2, the other end of said first resistor R1 is grounded, the other end of said second resistor R2 is connected to +5V, 2 pins of said dual operational amplifier LM358 are connected to the middle point of the series connection of the first resistor R1 and the second resistor R2, said first diode D1 is connected in series with the first potentiometer R1, the anode of said first diode VR D1 is grounded, the other end of said first diode VR D1 is connected to the input end of said VR1, the 3-pin of the dual operational amplifier LM358 is connected with the series middle point of a first diode D1 and a first potentiometer VR1, the second diode D2 is connected with a second potentiometer VR2 in series, the anode of the second diode D2 is grounded, the other end and the input end of the second potentiometer VR2 are both connected with +5V, the 5-pin of the dual operational amplifier LM358 is connected with the series middle point of a second diode D2 and a second potentiometer VR2, and the 8-pin of the dual operational amplifier LM358 is connected with an electrolytic capacitor EC1 in series.
4. The laser therapeutic apparatus safety protection circuit of claim 3, wherein the alarm circuit comprises a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first triode Q1 and a buzzer BZ1, the 7-pin of the dual operational amplifier LM358 is connected in series with the third resistor R3 and the base of a first triode Q1, the emitter of the first triode Q1 is connected with +5V, the base of the first triode Q1 is connected in series with the fourth resistor R4, the other end of the fourth resistor R4 is connected with +5V, the collector of the first triode Q1 is connected in series with the fifth resistor R5 and the buzzer BZ1, and the other end of the buzzer BZ1 is grounded.
5. The laser therapeutic machine safety protection circuit according to claim 4, wherein the relay driving circuit comprises a second triode Q2, a sixth resistor R6, a seventh resistor R7, a third diode D3 and a relay RL1, wherein the pin 1 of the dual operational amplifier LM358 is connected in series with the sixth resistor R6 and the base of a second triode Q2, the base of the second triode Q2 is connected in series with the seventh resistor R7, the other end of the seventh resistor R7 is connected with +5V, the emitter of the second triode Q2 is connected with +5V, the collector of the second triode Q2 is connected with the relay RL1, the other end of the relay RL1 is connected with ground, and the two ends of the relay RL1 are connected with the third diode D3 in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020398271.8U CN212679246U (en) | 2020-03-25 | 2020-03-25 | Safety protection circuit of laser therapy apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020398271.8U CN212679246U (en) | 2020-03-25 | 2020-03-25 | Safety protection circuit of laser therapy apparatus |
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| CN212679246U true CN212679246U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020398271.8U Expired - Fee Related CN212679246U (en) | 2020-03-25 | 2020-03-25 | Safety protection circuit of laser therapy apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288707A (en) * | 2021-06-04 | 2021-08-24 | 杨锋 | Shoulder and neck treatment massage armchair control circuit |
| CN113325775A (en) * | 2021-06-04 | 2021-08-31 | 张元秀 | Medical equipment operation fault monitoring circuit |
-
2020
- 2020-03-25 CN CN202020398271.8U patent/CN212679246U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288707A (en) * | 2021-06-04 | 2021-08-24 | 杨锋 | Shoulder and neck treatment massage armchair control circuit |
| CN113325775A (en) * | 2021-06-04 | 2021-08-31 | 张元秀 | Medical equipment operation fault monitoring circuit |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |