CN201724996U - Neutral electrode detection circuit - Google Patents
Neutral electrode detection circuit Download PDFInfo
- Publication number
- CN201724996U CN201724996U CN2010202319305U CN201020231930U CN201724996U CN 201724996 U CN201724996 U CN 201724996U CN 2010202319305 U CN2010202319305 U CN 2010202319305U CN 201020231930 U CN201020231930 U CN 201020231930U CN 201724996 U CN201724996 U CN 201724996U
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- circuit
- neutral electrode
- resonant circuit
- resonant
- coupling transformer
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Abstract
The utility model discloses a neutral electrode detection circuit, comprising a resonant circuit. The input end of the resonant circuit is connected with a neutral electrode connector; the output end of the resonant circuit is grounded, and the other end thereof is connected with a rectifying and filtering circuit and an alternating current exciting circuit with the same frequency to the resonant circuit; and a voltage division circuit is connected between the alternating current exciting circuit and the output tend of the resonant circuit in series. The utility model can achieve the beneficial effects of visually learning the connection state of a neutral electrode in high-frequency treatment equipment and preventing damages to a patient and/or an operator.
Description
Technical field
The utility model relates to a kind of testing circuit, especially a kind of circuit that is used to detect high-frequency treatment equipment neutral electrode connection status.
Background technology
In the therapeutic treatment field, high-frequency treatment equipment often has the part of neutral detecting electrode as the radio-frequency current loop.When using high-frequency treatment equipment that the patient is treated, neutral electrode is pasted or is abutted in patient's body surface, do not connect loose contact if connect neutral electrode or neutral electrode, in the process of using high-frequency treatment equipment that patient's focus is melted, may cause injury patient and/or operator (doctor).In existing high-frequency treatment equipment, do not possess the device that is used to detect the neutral electrode connection status, just need the operator to keep a close eye on the situation of neutral electrode clinically, so very easily can be because of carelessness or the unexpected injury that causes patient and/or operator of burst.
The utility model content
Goal of the invention of the present utility model is: can not detect the deficiency and the shortcoming of neutral electrode at present high-frequency treatment equipment, a kind of neutral electrode testing circuit is provided, be used for the detection of the neutral circuit connection status of high-frequency treatment equipment.The utility model reaches the connection status that can get information about high-frequency treatment equipment neutral electrode, avoids the beneficial effect to patient and/or operator's injury.
The technical solution adopted in the utility model is such:
A kind of neutral electrode testing circuit comprises a resonant circuit; The input end of resonant circuit connects a neutral electrode connector; The output one end ground connection of resonant circuit, the other end connect a current rectifying and wave filtering circuit and an ac driven circuit identical with the resonant circuit frequency; Be connected in series a bleeder circuit between the output terminal of ac driven circuit and resonant circuit.
Above-mentioned resonant circuit comprises a coupling transformer, the output terminal of a coupling transformer resonant capacitance in parallel.Described coupling transformer is a tap coupling transformer, and the number of primary turns of coupling transformer is 1 to 10 circle.
Above-mentioned bleeder circuit is a resistance-capacitance network.
Above-mentioned ac driven circuit is the ac driven circuit of output AC signal frequency 1KHz to 1000KHz.
Description of drawings
Fig. 1 is the schematic diagram of the utility model neutral electrode testing circuit.
Mark among the figure: 1 is ac driven circuit, and 2 is the neutral electrode connector, and 3 is resonant circuit, and 4 is current rectifying and wave filtering circuit, and 5 is bleeder circuit.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As Fig. 1 is the utility model neutral electrode testing circuit schematic diagram.As shown in Figure 1, a kind of neutral electrode testing circuit comprises a resonant circuit 3; The input end of resonant circuit 3 connects a neutral electrode connector 2; The output one end ground connection of resonant circuit 3, the other end connects an ac driven circuit 1 and a current rectifying and wave filtering circuit 4; Be connected in series a bleeder circuit between the output terminal of ac driven circuit and resonant circuit; Described resonant circuit frequency is identical with the ac driven circuit frequency.Resonant circuit comprises a coupling transformer, the output terminal of a coupling transformer resonant capacitance in parallel.Described coupling transformer is a tap coupling transformer, and the number of primary turns of coupling transformer is that 1 to 10 circle effect is better.The output AC signal frequency of ac driven circuit detects effect in 1KHz to 1000KHz scope better.Concrete, bleeder circuit 5 is a resistance-capacitance network.
The ac-excited signal frequency that ac driven circuit 1 produces is identical with the frequency of resonant circuit 3, ac-excited signal is applied to the secondary coil of the coupling transformer of resonant circuit 3 by bleeder circuit 5, the primary coil two ends of coupling transformer are connected with the neutral electrode cable of high-frequency treatment equipment by neutral electrode connector 2, the primary coil of coupling transformer has center tap, and center tap and primary coil two ends form the radio-frequency current path.The coupling transformer secondary voltage is used to detect the connection status of high-frequency treatment equipment neutral electrode by current rectifying and wave filtering circuit 4 outputs.
When the neutral electrode of high-frequency treatment equipment did not have connection or loose contact, the primary coil open circuit or the load resistance of coupling transformer were bigger, and the voltage of neutral electrode testing circuit output is higher; Go up and contact well when the neutral electrode connection of high-frequency treatment equipment, short circuit of coupling transformer primary coil or load value are less, and neutral electrode testing circuit output signal voltage is lower.Just can detect the connection status of neutral electrode by the height of judging neutral electrode testing circuit output signal voltage.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. a neutral electrode testing circuit is characterized in that, comprises a resonant circuit; The input end of resonant circuit connects a neutral electrode connector; The output one end ground connection of resonant circuit, the other end connect a current rectifying and wave filtering circuit and an ac driven circuit identical with the resonant circuit frequency; Be connected in series a bleeder circuit between the output terminal of ac driven circuit and resonant circuit.
2. a kind of neutral electrode testing circuit according to claim 1 is characterized in that described resonant circuit comprises a coupling transformer, the output terminal of a coupling transformer resonant capacitance in parallel.
3. a kind of neutral electrode testing circuit according to claim 2 is characterized in that, described coupling transformer is a tap coupling transformer.
4. according to claim 2 or 3 described a kind of neutral electrode testing circuits, it is characterized in that the number of primary turns of described coupling transformer is 1 to 10 circle.
5. a kind of neutral electrode testing circuit according to claim 1 is characterized in that described bleeder circuit is a resistance-capacitance network.
6. a kind of neutral electrode testing circuit according to claim 1 is characterized in that described ac driven circuit is the ac driven circuit of output AC signal frequency 1KHz to 1000KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202319305U CN201724996U (en) | 2010-06-22 | 2010-06-22 | Neutral electrode detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202319305U CN201724996U (en) | 2010-06-22 | 2010-06-22 | Neutral electrode detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724996U true CN201724996U (en) | 2011-01-26 |
Family
ID=43493338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202319305U Expired - Lifetime CN201724996U (en) | 2010-06-22 | 2010-06-22 | Neutral electrode detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201724996U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067810A1 (en) * | 2011-11-11 | 2013-05-16 | 汉王科技股份有限公司 | Position indication device and method |
| CN107773303A (en) * | 2016-08-24 | 2018-03-09 | 四川锦江电子科技有限公司 | A kind of anti-interference neutral electrode detection circuit |
| CN109856496A (en) * | 2019-02-25 | 2019-06-07 | 绵阳立德电子股份有限公司 | A kind of neutral electrode monitoring device |
| CN111759460A (en) * | 2020-07-07 | 2020-10-13 | 杭州电子科技大学温州研究院有限公司 | Thermotherapy system based on micro-implantable self-resonant coil and parameter optimization method thereof |
-
2010
- 2010-06-22 CN CN2010202319305U patent/CN201724996U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067810A1 (en) * | 2011-11-11 | 2013-05-16 | 汉王科技股份有限公司 | Position indication device and method |
| US9696820B2 (en) | 2011-11-11 | 2017-07-04 | Hanvon Pentech Co., Ltd. | Position indication device and position indication method |
| CN107773303A (en) * | 2016-08-24 | 2018-03-09 | 四川锦江电子科技有限公司 | A kind of anti-interference neutral electrode detection circuit |
| CN107773303B (en) * | 2016-08-24 | 2019-06-14 | 四川锦江电子科技有限公司 | A kind of anti-interference neutral electrode detection circuit |
| CN109856496A (en) * | 2019-02-25 | 2019-06-07 | 绵阳立德电子股份有限公司 | A kind of neutral electrode monitoring device |
| CN109856496B (en) * | 2019-02-25 | 2020-12-15 | 绵阳立德电子股份有限公司 | Neutral electrode monitoring device |
| CN111759460A (en) * | 2020-07-07 | 2020-10-13 | 杭州电子科技大学温州研究院有限公司 | Thermotherapy system based on micro-implantable self-resonant coil and parameter optimization method thereof |
| CN111759460B (en) * | 2020-07-07 | 2021-05-11 | 杭州电子科技大学温州研究院有限公司 | Parameter optimization method of thermotherapy system based on micro-implanted self-resonant coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN JINJIANG ELECTRONIC SCIENCE AND TECHNOLOGY Free format text: FORMER OWNER: LI CHUYA Effective date: 20121015 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121015 Address after: 610045 Sichuan city of Chengdu province Wuhou District Wuhou Science Park Vuko East Three Road No. 5 Patentee after: Sichuan Jinjiang Electronic Science and Technology Co., Ltd. Address before: 610045 Sichuan province Chengdu Wuhou Science Park Vuko East Three Road No. 5 Patentee before: Li Chuya |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |