CN201323473Y - Internal micro electro-mechanical system wireless energy transmission device - Google Patents
Internal micro electro-mechanical system wireless energy transmission device Download PDFInfo
- Publication number
- CN201323473Y CN201323473Y CNU2008202033828U CN200820203382U CN201323473Y CN 201323473 Y CN201323473 Y CN 201323473Y CN U2008202033828 U CNU2008202033828 U CN U2008202033828U CN 200820203382 U CN200820203382 U CN 200820203382U CN 201323473 Y CN201323473 Y CN 201323473Y
- Authority
- CN
- China
- Prior art keywords
- micro electro
- circuit
- mechanical system
- wireless energy
- mems
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model discloses an internal micro electro-mechanical system wireless energy transmission device, which comprises an energy transmitting device which is arranged outside the body and a capsule micro electro-mechanical device which is arranged inside the body, wherein the energy transmitting device outside the body comprises a large power signal generator, a primary winding and a compensation capacity, wherein the output end of the large power signal generator is serially connected with the compensation capacity and the primary winding; the capsule micro electro-mechanical device inside the body comprises a secondary winding, a compensation capacity, a rectifying circuit, a filter circuit and a voltage stabilizing circuit; both ends of a branch circuit of the secondary winding after being serially connected with the compensation capacity are connected with the rectifying circuit, the filter circuit and the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit is again connected with a load. The internal micro electro-mechanical system wireless energy transmission device has simple structure and easy operation, and is widely applicable to the internal micro electro-mechanical wireless energy transmission.
Description
Technical field
The utility model relates to a kind of wireless energy transform device, is specifically related to be suitable for the wireless energy of human body MEMS (micro electro mechanical system) transmitting device.
Background technology
The interior MEMS (micro electro mechanical system) of body that is used for human body is the special MEMS (micro electro mechanical system) of a class, and its notion proposed in last century Mo, and the very fast capsule endoscope that at first is used for alimentary canal image sampling in the body of having released.At coming years, a plurality of countries have begun the competition in this field successively, comprise Israel, Japan, Korea S, the U.S. and China etc.At present, the main research of MEMS (micro electro mechanical system) can be generalized into following direction in the body:
(1) image sampling of MEMS (micro electro mechanical system), treatment technology.This is that it is applied to one of basic research work of medical practice, although first generation capsule endoscope has just been realized its sampled functions in enteron aisle, shortcomings such as but its sampling picture still has scalloping, the depth of field is single or shallow excessively, the problem of this respect mainly improves by new image processing algorithm, perhaps handles by the anterior optically focused convex lens of capsule.
(2) increase of MEMS (micro electro mechanical system) expanded function.This research direction may be the most important function expansion of Wicresoft's diagnosis and treatment, and such as site-specific delivery of drugs, the notion and the patent of location sampling have proposed very early.Truly " not having the wound diagnosis and treatment " earns sample and pinpoint administration truly to the nothing of lesions position at first exactly.
(3) MEMS (micro electro mechanical system) active movement control and location in human body.Practical at present capsule MEMS (micro electro mechanical system) all is passive driving, can not control its pose and motion state in human body.If MEMS (micro electro mechanical system) can freely be moved about in human body in the body, realize " giving someone extra help " for lesions position, valuable consultation hours and energy are placed on the emphasis lesions position, will improve the accuracy of diagnosis and treatment greatly, even can shorten consultation hours greatly.And European technical report in 2004 (EURON-Technology Roadmaps) is pointed out sharply especially, and for microencapsulation endoscope and surgical operation robot, motion needs the primary problem that solves with the realization of attitude controlled function." stopping in vivo if the doctor can not control the capsule diagnosis and therapy apparatus; rollback and rotate camera; diagnosis will be invalid (Medical diagnosis is not effectiveif the medical doctors have no possibilities to stop the capsule; to go back, to turn the camera.) " thought in report.
The energy supply of (4) diagnosis and treatment MEMS (micro electro mechanical system).MEMS (micro electro mechanical system) in medical body: as the intestines and stomach capsule endoscope system, there is cable power transfer method to carry out energy resource supply to it, obviously uncomfortable fit interior MEMS (micro electro mechanical system), therefore have only and adopt the energy of minicell as MEMS (micro electro mechanical system) in the body, supply of electrical energy, but the minicell life-span is limited, power-on time is short, be generally 6-8 hour, picture quality and the quantity that to absorb have been limited, be difficult to meet the demands fully, simultaneously, adopt the minicell that contains dangerous chemicals also can not reach human safety requirements gradually as the energy resource supply mode.
MEMS (micro electro mechanical system) sampled images quality raising in the body, function expansion, active movement control and increase effective time, these all need to consume more energy, simultaneously traditional energy supplying system: minicell energy supply limited time and safety issue, these press for a kind of new electric energy method is provided: wireless energy transmission technology has wide application prospect.
The utility model content
The purpose of this utility model is to overcome the shortcoming and the deficiency of MEMS (micro electro mechanical system) energy supply in the existing body, provides a kind of simple and reasonable for structure, and easy operating is fit to micro electronmechanical wireless energy transform device in the body.
Micro electronmechanical wireless energy transform device in a kind of body, comprise the capsule microelectromechanicdevices devices that is positioned at external energy emitter and is positioned at body, it is characterized in that: external energy emitter comprises high-power signal generator, elementary winding and building-out capacitor, the output of high-power signal generator and building-out capacitor and elementary windings in series; The capsule microelectromechanicdevices devices comprises secondary winding, building-out capacitor and rectification circuit, filter circuit and voltage stabilizing circuit in the body; Branch road two ends after the series connection of secondary winding and building-out capacitor are connected with rectification circuit input end, rectification circuit output end is connected with filter circuit, and the filter circuit output is connected with voltage stabilizing circuit, and the output of voltage stabilizing circuit is connected with load again.
In the micro electronmechanical wireless energy transform device, between elementary winding and the secondary winding air gap is arranged in the above-mentioned body, energy transmits through human body skin.Described elementary winding is positioned at human vitronectin, and around belly.Described secondary winding is made up of the coil of two quadratures, and each coil all is connected in series with the input of a building-out capacitor and rectification circuit, and the output of rectification circuit is connected with voltage stabilizing circuit with described filter circuit again.
In the micro electronmechanical wireless energy transform device, secondary winding is positioned at body in the above-mentioned body, because the electromagnetic induction between elementary winding and the secondary winding produces induced electromotive force at secondary coil, handles through over commutation, filtering and voltage stabilizing, for the load in the body provides energy.
According to load: the requirement of MEMS (micro electro mechanical system) in the body, the input high frequency electric source adopts constant pressure source, elementary winding adopts series capacitor compensation, and secondary winding adopts series capacitor compensation, and power supply is the WL3866B high-power signal source that Shandong new honourable development in science and technology Co., Ltd produces.Micro electronmechanical wireless energy transform device mainly is made up of two parts in the body.Outer body WL3866 provides the high frequency sinusoidal ac, supply with the primary emission coil, produce frequency electromagnetic waves, through human body skin, the secondary coil of MEMS (micro electro mechanical system) is accepted electromagnetic wave energy in the body, gives MEMS (micro electro mechanical system) energy supply in the body then after links such as over commutation, filtering, voltage stabilizing.
The utility model compared with prior art has following advantage: overcome the shortcoming that has cable power transfer method to exist, utilized wireless energy transmission technology, have wider application prospect; The existing energy that adopts minicell as MEMS (micro electro mechanical system) in the body, supply of electrical energy, but the minicell life-span is limited, power-on time is short, be generally 6-8 hour, picture quality and the quantity that to absorb have been limited, be difficult to meet the demands fully, and the utility model can be realized the continuous supply of energy, the minicell above shortcomings have been overcome, simultaneously, adopt the minicell that contains dangerous chemicals also can not reach human safety requirements gradually, and this utility model can reach the purpose of the safety supply energy as the energy resource supply mode; The utility model is simple and reasonable for structure, and easy operating is widely used in micro electronmechanical wireless energy transfer in the body.
Description of drawings
Fig. 1 is the interior micro electronmechanical wireless energy transfer pilot system of the capsule block diagram of body in the embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
1 primary and secondary design of Windings and making
Elementary winding is external, and around belly, so generally adopt hollow coil, elementary winding iron core adopts plastics to make, and this cylinder internal diameter is 240mm, and thickness is 3mm, and the wide 72mm of window adopts 0.10 * 100 li line now, on plastic cylinder.
In the body secondary winding of MEMS (micro electro mechanical system) in vivo, the most frequently used is to adopt a receiving coil, because the angle of elementary winding and secondary winding is not fixed, may change, and is made as α, so according to Faraday's electromagnetic induction law, its induced voltage is:
V
2＝2πfN
2S
2Bcosα
When the secondary winding orientation changed as can be known, when promptly α changed, induced voltage changed, and along with angle increases, induced voltage diminishes, and when α spent near 90, induced voltage was almost nil.In order to obtain stable voltage, make system's operate as normal, secondary winding can adopt a plurality of coils, and secondary winding adopts the coil of two quadratures here.
Power generally requires between 50-150mW, and the selection operating frequency is 400kHz, and core material ferrite TDK PC50 maximum operating frequency is 1MHz, meets the demands, and the iron core shape is a cylindrical shape, and specification is Φ 9 * 6mm.
The secondary current effective value is generally very little, about 50mA, adopts the enamelled wire of 0.10mm * 3, and on iron core, two coils of secondary winding are quadratures respectively.
The capsule MEMS (micro electro mechanical system) is made in 2 bodies
The capsule MEMS (micro electro mechanical system) is by secondary winding, building-out capacitor, rectification circuit and filter regulator circuit in the body, light-emitting diode is formed, pcb boards of circuit production such as building-out capacitor, rectification circuit and filtering voltage regulation wherein, diameter 14mm is enclosed in this system in the capsule matrix.
As shown in Figure 1, the utility model device can be divided into capsule MEMS (micro electro mechanical system) in external energy emission system and the body.External energy emission system includes: high-power signal source, elementary winding and building-out capacitor; The capsule MEMS (micro electro mechanical system) includes in the body: secondary winding, rectification, circuit board that filtering and voltage stabilizing circuit are integrated and light-emitting diode.The annexation of system's each several part as seen from Figure 1:
Its operation principle: 220V is inserted in the high-power signal source, and the industrial-frequency alternating current of 50Hz is opened the high-power signal source, the sine voltage of output high frequency, and the frequency of its adjusting is 400KHz, the high frequency sinusoidal ac of output is by elementary winding; Because the electromagnetic induction of elementary winding and secondary winding, secondary winding produces induced electromotive force, and after the rectifying and wave-filtering voltage stabilizing, the energy receiving system in the body can obtain the direct current of voltage stabilizing, and supplies with light-emitting diode.
In this system, utilize the power consumption instrument can record power, the voltage and current of external energy emission system exactly.The relative position of considering the energy receiving system in external energy emission system and the body is constantly changing, air gap between the two constantly changes, so in secondary winding, adopted two groups of coils of mutually orthogonal to constitute, when the relative position of the two changes, energy receiving system in the body also can receive energy, is the diode power supply.
Claims (4)
1, MEMS (micro electro mechanical system) wireless energy transform device in a kind of body, comprise the capsule microelectromechanicdevices devices that is positioned at external energy emitter and is positioned at body, it is characterized in that: external energy emitter comprises the high-power signal generator, elementary winding and building-out capacitor, the output of high-power signal generator and building-out capacitor and elementary windings in series: the capsule microelectromechanicdevices devices comprises secondary winding in the body, building-out capacitor and rectification circuit, filter circuit and voltage stabilizing circuit, branch road two ends after the series connection of secondary winding and building-out capacitor are connected with rectification circuit input end, rectification circuit output end is connected with filter circuit, the filter circuit output is connected with voltage stabilizing circuit, and the output of voltage stabilizing circuit is connected with load again.
2, MEMS (micro electro mechanical system) wireless energy transform device in the body according to claim 1, it is characterized in that: between elementary winding and the secondary winding air gap is arranged, energy transmits through human body skin.
3, MEMS (micro electro mechanical system) wireless energy transform device in the body according to claim 2, it is characterized in that: described elementary winding is positioned at human vitronectin, and around belly.
4, according to MEMS (micro electro mechanical system) wireless energy transform device in each described body of claim 1～3, it is characterized in that: described secondary winding is made up of the coil of two quadratures, and each coil all is connected in series with the input of a building-out capacitor and rectification circuit, and the output of rectification circuit is connected with voltage stabilizing circuit with described filter circuit again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202033828U CN201323473Y (en) | 2008-11-14 | 2008-11-14 | Internal micro electro-mechanical system wireless energy transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202033828U CN201323473Y (en) | 2008-11-14 | 2008-11-14 | Internal micro electro-mechanical system wireless energy transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323473Y true CN201323473Y (en) | 2009-10-07 |
Family
ID=41160845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202033828U Expired - Fee Related CN201323473Y (en) | 2008-11-14 | 2008-11-14 | Internal micro electro-mechanical system wireless energy transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323473Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377249A (en) * | 2010-08-11 | 2012-03-14 | 中国科学院微电子研究所 | Sensor system integrated with wireless energy transmitting and receiving device |
| CN103368271A (en) * | 2012-03-31 | 2013-10-23 | 深圳光启创新技术有限公司 | Endoscope capsule power supply system |
| WO2016081411A1 (en) * | 2014-11-18 | 2016-05-26 | Smith & Nephew, Inc. | Endocoupler with induction coupling |
| EP3057220A1 (en) * | 2011-11-17 | 2016-08-17 | Qualcomm Incorporated | Systems, methods, and apparatus for a high power factor single phase rectifier |
| CN107404158A (en) * | 2017-03-17 | 2017-11-28 | 渤海大学 | The multi-load wireless energy transform device that can be automatically controlled |
| CN111803783A (en) * | 2020-06-18 | 2020-10-23 | 杭州电子科技大学 | Magnetic-thermal co-driven drug delivery robot with imitated umbrella rib structure and magnetic control method thereof |
-
2008
- 2008-11-14 CN CNU2008202033828U patent/CN201323473Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377249A (en) * | 2010-08-11 | 2012-03-14 | 中国科学院微电子研究所 | Sensor system integrated with wireless energy transmitting and receiving device |
| CN102377249B (en) * | 2010-08-11 | 2015-01-07 | 中国科学院微电子研究所 | Sensor system integrated with wireless energy transmitting and receiving device |
| EP3057220A1 (en) * | 2011-11-17 | 2016-08-17 | Qualcomm Incorporated | Systems, methods, and apparatus for a high power factor single phase rectifier |
| CN103368271A (en) * | 2012-03-31 | 2013-10-23 | 深圳光启创新技术有限公司 | Endoscope capsule power supply system |
| WO2016081411A1 (en) * | 2014-11-18 | 2016-05-26 | Smith & Nephew, Inc. | Endocoupler with induction coupling |
| CN107205611A (en) * | 2014-11-18 | 2017-09-26 | 史密夫和内修有限公司 | With intercoupler inductively |
| US10582833B2 (en) | 2014-11-18 | 2020-03-10 | Smith & Nephew, Inc. | Endocoupler with induction coupling |
| US11045070B2 (en) | 2014-11-18 | 2021-06-29 | Smith & Nephew, Inc. | Endocoupler with induction coupling |
| CN107404158A (en) * | 2017-03-17 | 2017-11-28 | 渤海大学 | The multi-load wireless energy transform device that can be automatically controlled |
| CN111803783A (en) * | 2020-06-18 | 2020-10-23 | 杭州电子科技大学 | Magnetic-thermal co-driven drug delivery robot with imitated umbrella rib structure and magnetic control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201323473Y (en) | Internal micro electro-mechanical system wireless energy transmission device | |
| Jiang et al. | A low-frequency versatile wireless power transfer technology for biomedical implants | |
| Khan et al. | Miniaturized 3-D cross-type receiver for wirelessly powered capsule endoscopy | |
| Tang et al. | Intermediate range wireless power transfer with segmented coil transmitters for implantable heart pumps | |
| Zhang et al. | Wireless energy transfer platform for medical sensors and implantable devices | |
| Ryu et al. | Three-dimensional power receiver for in vivo robotic capsules | |
| US9806536B2 (en) | Method and apparatus for wireless magnetic power transmission | |
| US20100094367A1 (en) | Non-electrode-lead ultra-thin flexible micro multifunctional heart rate adjusting device | |
| Pan et al. | A video wireless capsule endoscopy system powered wirelessly: design, analysis and experiment | |
| CN102157989A (en) | Closed loop wireless energy supply system for implantable medical electronic device | |
| Gao et al. | A robotic endoscope based on minimally invasive locomotion and wireless techniques for human colon | |
| CN101276947A (en) | Electromagnetic induction energy-storage system | |
| CN103949008A (en) | Extracorporeal magnetic control type intelligent electrical stimulation capsule system based on video image navigation | |
| CN106712312A (en) | Novel wireless energy transmission power supply generator system | |
| Hussain et al. | Design and implementation of wireless low-power transfer for medical implant devices | |
| CN108653842A (en) | A kind of more receiving terminal wireless power transmissions auxiliary blood supply device of tape relay coil | |
| CN206910316U (en) | It is a kind of can swallowable capsule endoscope wireless charging system | |
| CN209186640U (en) | A kind of capsule endoscope system using wireless power | |
| CN102553006B (en) | Artificial heart signal energy transfer method based on digital coil pair array and transfer paper | |
| Shi et al. | Micro-intestinal robot with wireless power transmission: design, analysis and experiment | |
| Jena et al. | Efficient wireless power transfer system for biomedical applications | |
| Yu et al. | The design and implementation of the wireless power transmission system of video capsule endoscopy | |
| CN102751770A (en) | Dry battery alternative solution | |
| CN103296780A (en) | Endoscopic capsule power supply system | |
| CN101991401A (en) | Active radio capsule endoscope probe for digestive tract |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20131114 |