CN102755697A - Medical ultrasonic physiotherapy instrument ultrasonic emission instrument and no-load protection method thereof - Google Patents
Medical ultrasonic physiotherapy instrument ultrasonic emission instrument and no-load protection method thereof Download PDFInfo
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- CN102755697A CN102755697A CN2012102354016A CN201210235401A CN102755697A CN 102755697 A CN102755697 A CN 102755697A CN 2012102354016 A CN2012102354016 A CN 2012102354016A CN 201210235401 A CN201210235401 A CN 201210235401A CN 102755697 A CN102755697 A CN 102755697A
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Abstract
The invention discloses a medical ultrasonic physiotherapy instrument ultrasonic emission instrument and a no-load protection method thereof. The medical ultrasonic physiotherapy instrument ultrasonic emission instrument comprises an ultrasonic emission device and an ultrasonic emission sound head connected with the back end of the ultrasonic emission device, wherein a detection transformer is connected in series between the ultrasonic emission device and the ultrasonic emission sound head; a temperature sensor for inducing the temperature variation of the ultrasonic emission sound head is connected to the ultrasonic emission sound head; the front end of the ultrasonic emission device is connected in series with an MCU (Multipoint Control Unit) control part for controlling the running of the ultrasonic emission device, and the detection transformer and the temperature sensor are respectively connected with the MCU control part through a feedback circuit. According to the no-load protection method, the phases and amplitudes of the voltage and the current of the drive signal of the ultrasonic emission sound head are detected by utilizing a current transformer and a voltage transformer; the phases and amplitudes of the voltage and the current drive signal of the ultrasonic emission sound head are compared by the MCU control part after digital sampling is carried out by an analog-to-digital converter, whether a probe is in no-load or not is judged through comparison, and an ultrasonic signal generation circuit is closed by the MCU control part according to a command when the probe is in no-load.
Description
Technical field
The present invention relates to medical supersonic emission field, particularly medical supersonic physiotherapy table ultrasound emission appearance and no-load protection method thereof.
Background technology
The ultrasound emission probe of medical supersonic physiotherapy table is when contacting not tight or leaving human body with human body skin; Circuit is in Light Condition; The transducing wafer loss becomes big and causes the probe heating, and existing medical safe standard causes that for preventing excess temperature patient's discomfort has strict restriction to overtemperature.
Summary of the invention
In order to overcome the deficiency of prior art, the present invention provides a kind of medical supersonic physiotherapy table ultrasound emission appearance and no-load protection method thereof.
The technical solution adopted for the present invention to solve the technical problems is:
Medical supersonic physiotherapy table ultrasound emission appearance; Comprise ultrasonic transmitter and the ultrasound emission sound head that is connected its rear end; Be connected in series with the detection transformer between described ultrasonic transmitter and the ultrasound emission sound head; Be connected with the temperature sensor of its variations in temperature of induction on the ultrasound emission sound head, said ultrasonic transmitter front end is in series with the MCU control section of its running of control, links to each other with the MCU control section through feedback circuit respectively in said detection transformer and the temperature sensor;
In the present invention, described detection transformer comprises current transformer and the voltage transformer that is connected in series, and wherein current transformer links to each other with the MCU control section through feedback circuit respectively with voltage transformer; Be provided with A-D converter between said current transformer and voltage transformer and the MCU control section;
In the present invention, be in series with LED light between said detection transformer and the ultrasound emission sound head;
In the present invention, be connected with the probe automatic patching system on the described ultrasound emission sound head, said probe automatic patching system links to each other with the MCU control section through feedback circuit;
The no-load protection method of medical supersonic physiotherapy table ultrasound emission appearance; Utilize current transformer and voltage transformer to detect phase place and amplitude that the ultrasound emission sound head drives voltage of signals and electric current; Contrast by the MCU control section through after the A-D converter digital sample; Judge through contrast whether probe is unloaded, and the MCU control section is closed ultrasonic signal generation circuit through instruction when probe is unloaded.
The invention has the beneficial effects as follows: the present invention launches through MCU control section control radiating circuit, and detection such as LED transmit launching indication, and MCU passes through whether overtemperature of control section real-time inspection temperature sensor; So that carry out the emission of the sine wave of different-waveband, reaching the effect of attemperation, and will be from the amplitude of current transformer and voltage transformer acquired signal and the contrast of wave band; To judge whether current probe contacts human body; Have only when the contact human body just to allow to transmit to launch, otherwise stop emission, realize the real-time intelligent protection; Both energy savings also can significantly reduce the radiation of ultrasound wave to human body.Whether the transducing wafer through detecting the ultrasound emission sound head contact with human body closely or leaves human body and get into Light Condition, gets into when unloaded to close probe through the MCU control section and launch and carry out no-load protection and avoid overheating.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a control section sketch map of the present invention.
The specific embodiment
With reference to Fig. 1; Medical supersonic physiotherapy table ultrasound emission appearance; Comprise ultrasonic transmitter 1 and the ultrasound emission sound head 2 that is connected its rear end; Be connected in series with between described ultrasonic transmitter 1 and the ultrasound emission sound head 2 and detect transformer 3; Be connected with the temperature sensor 5 of its variations in temperature of induction on the ultrasound emission sound head 2, said ultrasonic transmitter 1 front end is in series with the MCU control section 6 of its running of control, links to each other with MCU control section 6 through feedback circuit respectively in said detection transformer 3 and the temperature sensor 5.Be in series with LED light 4 between said detection transformer 3 and the ultrasound emission sound head 2; Described detection transformer 3 comprises the current transformer 31 and voltage transformer 32 that is connected in series; Wherein current transformer 31 links to each other with MCU control section 6 through feedback circuit respectively with voltage transformer 32, is provided with A-D converter 8 between said current transformer 31 and voltage transformer 32 and the MCU control section 6.Launch through MCU control section 6 control radiating circuits, LED light 4 detects and transmits launching indication, and whether the 6 real-time inspection temperature sensors 5 of MCU control section overtemperature; So that carry out the emission of the sine wave of different-waveband, reaching the effect of attemperation, and will be from current transformer 31 and the amplitude of voltage transformer 32 acquired signal and the contrast of wave band; To judge whether current probe contacts human body; Have only when the contact human body just to allow to transmit to launch, otherwise stop emission, realize the real-time intelligent protection; Both energy savings also can significantly reduce the radiation of ultrasound wave to human body.
Be connected with probe automatic patching system 7 on the described ultrasound emission sound head 2, said probe automatic patching system 7 links to each other with MCU control section 6 through feedback circuit, and the model of identification probe, frequency and main frame automatically are to mate automatically.
Utilize current transformer 31 and voltage transformer 32 to detect phase place and the amplitude that the ultrasound emission sound head drives voltage of signals and electric current; Through contrasting by MCU control section 6 after A-D converter 8 digital samples; Judge through contrast whether probe is unloaded, and MCU control section 6 is closed ultrasonic signal generation circuit through instruction when probe is unloaded.
Whether transducing wafer through detecting ultrasound emission sound head 2 contact closely or leaves human body entering Light Condition with human body; Get into when unloaded and to close the probe emission through the MCU control section and carry out no-load protection and avoid overheating, prevent that the too high patient of causing of temperature is uncomfortable.This circuit when realizing no-load protection, the short-circuit protection of also can realizing popping one's head in and ultrasound drive signals frequency departure transducing wafer resonant frequency reported to the police and protect.
Certainly, the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.
Claims (5)
1. medical supersonic physiotherapy table ultrasound emission appearance; Comprise ultrasonic transmitter (1) and be connected the ultrasound emission sound head (2) of its rear end; It is characterized in that: be connected in series with between described ultrasonic transmitter (1) and the ultrasound emission sound head (2) and detect transformer (3); Be connected with the temperature sensor (5) of its variations in temperature of induction on the ultrasound emission sound head (2); Said ultrasonic transmitter (1) front end is in series with the MCU control section (6) of its running of control, and said detection transformer (3) links to each other with MCU control section (6) through feedback circuit with temperature sensor (5) respectively.
2. medical supersonic physiotherapy table ultrasound emission appearance according to claim 1; It is characterized in that: described detection transformer 3 comprises current transformer (31) and the voltage transformer (32) that is connected in series; Wherein current transformer (31) links to each other with MCU control section (6) through feedback circuit respectively with voltage transformer (32), is provided with A-D converter (8) between said current transformer (31) and voltage transformer (32) and the MCU control section (6).
3. medical supersonic physiotherapy table ultrasound emission appearance according to claim 1 is characterized in that: be in series with LED light (4) between said detection transformer (3) and the ultrasound emission sound head (2).
4. medical supersonic physiotherapy table ultrasound emission appearance according to claim 1; It is characterized in that: be connected with probe automatic patching system (7) on the described ultrasound emission sound head (2), said probe automatic patching system (7) links to each other with MCU control section (6) through feedback circuit.
5. the no-load protection method of medical supersonic physiotherapy table ultrasound emission appearance; It is characterized in that: utilize current transformer (31) and voltage transformer (32) to detect phase place and amplitude that the ultrasound emission sound head drives voltage of signals and electric current; Contrast by MCU control section (6) through after A-D converter (8) digital sample; Judge through contrast whether probe is unloaded, and MCU control section (6) is closed ultrasonic signal generation circuit through instruction when probe is unloaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235401.6A CN102755697B (en) | 2012-07-09 | 2012-07-09 | Medical ultrasonic physiotherapy instrument ultrasonic emission instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235401.6A CN102755697B (en) | 2012-07-09 | 2012-07-09 | Medical ultrasonic physiotherapy instrument ultrasonic emission instrument |
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| CN102755697A true CN102755697A (en) | 2012-10-31 |
| CN102755697B CN102755697B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210235401.6A Active CN102755697B (en) | 2012-07-09 | 2012-07-09 | Medical ultrasonic physiotherapy instrument ultrasonic emission instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693188A (en) * | 2016-12-27 | 2017-05-24 | 马宇驰 | Medical leg healthcare machine |
| CN111474886A (en) * | 2020-05-11 | 2020-07-31 | 深圳市施全医疗科技有限公司 | Adaptive matching method and circuit for multiple types of ultrasonic treatment heads |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085411A (en) * | 2009-12-03 | 2011-06-08 | 林心一 | Intelligent use-safety defection method of ultrasonic treatment device |
| CN102542175A (en) * | 2012-02-03 | 2012-07-04 | 广州龙之杰科技有限公司 | Device and method thereof for intelligently identifying treating head |
-
2012
- 2012-07-09 CN CN201210235401.6A patent/CN102755697B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085411A (en) * | 2009-12-03 | 2011-06-08 | 林心一 | Intelligent use-safety defection method of ultrasonic treatment device |
| CN102542175A (en) * | 2012-02-03 | 2012-07-04 | 广州龙之杰科技有限公司 | Device and method thereof for intelligently identifying treating head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693188A (en) * | 2016-12-27 | 2017-05-24 | 马宇驰 | Medical leg healthcare machine |
| CN111474886A (en) * | 2020-05-11 | 2020-07-31 | 深圳市施全医疗科技有限公司 | Adaptive matching method and circuit for multiple types of ultrasonic treatment heads |
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| Publication number | Publication date |
|---|---|
| CN102755697B (en) | 2015-06-17 |
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Effective date of registration: 20180920 Address after: 518000 Four Seasons Building 7/F, 61 Old Nanchang Village, Nanchang Community Gushi Road, Xixiang Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Shiquan Medical Technology Co., Ltd. Address before: 519090 C, 3 floor, D plant, 288 East Airport Road, San Zao Town, Zhuhai, Guangdong. Patentee before: Zhuhai Kanglaifu Medical Technology Co., Ltd. |
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