CN201937342U - Wireless energy-supplying device for implanted wireless remote measurement - Google Patents
Wireless energy-supplying device for implanted wireless remote measurement Download PDFInfo
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- CN201937342U CN201937342U CN2010206665010U CN201020666501U CN201937342U CN 201937342 U CN201937342 U CN 201937342U CN 2010206665010 U CN2010206665010 U CN 2010206665010U CN 201020666501 U CN201020666501 U CN 201020666501U CN 201937342 U CN201937342 U CN 201937342U
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Abstract
The utility model discloses a wireless energy-supplying device for implanted wireless remote measurement. The device comprises an external-circuit module, an implanted receiving coil and an implanted internal-circuit module, wherein the implanted receiving coil and the implanted internal-circuit module are mutually and electrically connected, a multi-axial energy-transmitting module is placed outside an object to be measured, the multi-axial energy-transmitting module comprises a pedestal and more than one flat multi-axial coupled transmitting-coil group which is fixed on the upper surface of the pedestal, each multi-axial coupled transmitting-coil group is respectively and electrically connected with the external-circuit module, each multi-axial coupled transmitting-coil group comprises a core body and more than two coils which are surrounded on the core body, and the more than two coils are mutually crossed, and all the coils are not mutually superposed. The wireless energy-supplying device disclosed by the utility model has the characteristic of multi-axial coupling, and the anti-inclination property of the implanted receiving coil is improved; energy can be supplied by selecting different multi-axial coupled transmitting-coil groups according to the position of an animal in a rearing cage, and the power-supply efficiency is improved; and the wireless energy-supplying device is applicable to carrying out wireless energy supply for the implanted wireless remote measurement in small-animal experiments.
Description
Technical field
The utility model belongs to implantation type wireless energy supply field, the particularly wireless energy supply of toy implantation type wireless remote measurement under the free movement state in the zoopery.
Background technology
Along with the IC(integrated circuit) technology and MEMS(MEMS (micro electro mechanical system)) development of technology, the implantation type wireless remote measurement mainly contains implanted temperature detection, the detection of implanted blood pressure, implanted blood sugar test etc. because it does not have constraint, the accurate and real-time monitoring and other advantages of measurement to be used widely at biomedical sector.These implanted equipment are that human implantable carries out health supervision, carry out long-term scientific experiment in also implantable toy (as the rat) body.
Because this kind equipment implants, change battery and need perform the operation its taking-up, bring extra wound and expense, very constant, so the energy supply of implanted equipment becomes a key issue of such research.The research in implanted energy supply field at present mainly contains: wireless electromagnetic coupling energy supply, and utilize the glucose in the organism to carry out the chemical reaction energy supply, utilize the mechanical energy of organism displacement etc. according to piezoelectric effect.Wherein wireless electromagnetic coupling energy supply is that research at present is at most with most widely used a kind of.Wireless electromagnetic coupling energy supply drives the external emission coil by power amplifier and generates an electromagnetic field, implanted receiving coil in the body obtains energy by the mode of inductance coupling high, as Chinese utility model patent " electromagnetic induction energy supplying device that is used for implantable medical device " (application number 200710093224.1) and " efficient wireless energy supply device that is used for biologic implant " (application number 200810036568.3).
Present wireless electromagnetic coupling power supply generally requires the coaxial parallel placement of transmitting coil and implanted receiving coil, to guarantee electromagnetic coupled efficient, but in zoopery, the toy of wireless telemetering is in free movement state, often make the implanted receiving coil run-off the straight in its body of implantation and can't keep coaxial parallel with the external emission coil, electromagnetic coupled efficient is low, even causes the implantation type wireless remote-measuring equipment not worked.
The utility model content
At the above-mentioned deficiency of prior art, technical problem to be solved in the utility model provides a kind of wireless energy supply device that is used for the implantation type wireless remote measurement, and this device has anti-implanted receiving coil obliquity, improves electromagnetic coupled efficient.
The utility model solves the technological means that its technical problem takes: its wireless energy supply device that is used for the implantation type wireless remote measurement comprises the external circuit module, mutual implanted receiving coil and the implanted internal circuit module that is electrically connected, outside subject to be measured, be equipped with multiaxis energy transmitter module, described multiaxis energy transmitter module comprises base and is fixed in an above flat multiaxis coupling transmitting winding group of base upper surface, each multiaxis coupling transmitting winding group is electrically connected with described external circuit module respectively, each described multiaxis coupling transmitting winding group is become with upper set of coils with two that are surrounded on this core body by core body, and has two the above coils to intersect mutually and each coil non-overlapping copies.
Further, the utility model is in more than one described multiaxis coupling transmitting winding group, and the angle between the adjacent windings is 5～30 °.
Further, the more than one described multiaxis coupling transmitting winding group of the utility model is made up of five coils.
Further, first coil in the multiaxis coupling transmitting winding group described in the utility model is a horizontal coil, and the connecting line of the infall of second coil and tertiary coil is vertical with the connecting line of the infall of the 5th coil with the 4th coil.
Further, first coil described in the utility model is between second coil and tertiary coil, and first coil is between the 4th coil and the 5th coil.
Further, first coil described in the utility model is positioned at the top of second coil, tertiary coil, the 4th coil and the 5th coil, and perhaps described first coil is positioned at the below of second coil, tertiary coil, the 4th coil and the 5th coil.
Further, implanted internal circuit module described in the utility model also contains energy monitoring module, wireless transmitter module and the transmitting antenna that is electrically connected successively, and described external circuit module also contains the wireless receiving module and the reception antenna of mutual electrical connection.
Compared with prior art, the beneficial effects of the utility model are:
(1) cross one another coil produces synchronous electromagnetic field in the multiaxis coupling transmitting winding group under same power source drives, the electromagnetic field that each coil produces intersects mutually, form multiaxis to electromagnetic field, the implanted receiving coil by electromagnetic induction receive this multiaxis to the energy of crossed electric and magnetic field, in certain angle of inclination (0 ~ 30 °) scope that the implanted receiving coil is become with horizontal plane, the magnetic flux density substantially constant of this electromagnetic field, in implanted receiving coil and the multiaxis coupling transmitting winding group disalignment to transmitting coil carry out inductance coupling high, have the characteristics of multiaxis to coupling, when the run-off the straight of implanted receiving coil, it is constant that the coupling energy of receiving coil keeps substantially, thereby make wireless energy supply keep stable, improved implanted receiving coil obliquity resistance.
(2) select the highest multiaxis coupling transmitting winding group launching electromagnetic wave of coupling efficiency by energy monitoring feedback system, the implantation type wireless remote-measuring equipment is carried out the pinpoint energy supply, reduce the energy loss of clearance spaces scope, improve energy supply efficient.
(3) volume of implanted receiving coil and implanted internal circuit module is little, in light weight, is suitable for toy and carries out implantation type wireless remote measurement experiment.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model multiaxis coupling transmitting winding group;
Fig. 3 is the exploded view of Fig. 2;
Fig. 4 is the concrete annexation schematic diagram of the utility model external circuit module;
Fig. 5 is the annexation schematic diagram of the utility model implanted internal circuit module and implanted receiving coil.
Embodiment
Below in conjunction with accompanying drawing the utility model is done detailed explanation.
Figure 1 shows that overall structure schematic diagram of the present utility model, the wireless energy supply device that the utility model is used for the implantation type wireless remote measurement comprises external circuit module 1, multiaxis energy transmitter module 2, implanted receiving coil 3 and implanted internal circuit module 4.External circuit module 1 and multiaxis energy transmitter module 2 place object to be measured outside, and implanted receiving coil 3 and 4 of implanted internal circuit modules place object to be measured inside.Multiaxis energy transmitter module 2 comprises base 6 and is fixed in the flat multiaxis coupling transmitting winding group 5 of base 6 upper surfaces.Multiaxis coupling transmitting winding group 5 can be one or more, the upper surface of basic covering base 6.Four multiaxis coupling transmitting winding group 5 have been adopted in the present embodiment as shown in Figure 1.Each multiaxis coupling transmitting winding group 5 is electrically connected with external circuit module 1 respectively, and thus, external circuit module 1 provides energy to multiaxis coupling transmitting winding group 5, each multiaxis coupling transmitting winding group 5 emission electromagnetic energy.Implanted receiving coil 3 and implanted internal circuit module 4 is electrically connected, and implanted receiving coil 3 receives electromagnetic energies and produces alternating current, and implanted internal circuit module 4 is converted to direct current with this alternating current.
Figure 2 shows that the structural representation of the utility model multiaxis coupling transmitting winding group.Each multiaxis coupling transmitting winding group 5 is become with upper set of coils with two that are surrounded on this core body 7 by the core body 7 of flat, wherein, has two above coils to intersect mutually and each coil non-overlapping copies.
As shown in Figures 2 and 3, adopted five coils in the present embodiment, five mutual crossed loopss of coil S0 ~ S4 are on core body 7.Wherein, the first coil S0 is a horizontal coil, the second coil S1 and tertiary coil S2 intersect at A, B two places, the 4th coil S3 and the 5th coil S4 intersect at C, D two places, and connecting line AB is vertical with connecting line CD, make the multiaxis coupling crossed electric and magnetic field that transmitting winding group produced thus symmetrically, implanted receiving coil 3 receives electromagnetic energy and keeps substantially constant under the situation at the certain angle of inclination that becomes with horizontal plane.In addition, the first coil S0 is between the second coil S1 and tertiary coil S2 as shown in Figures 2 and 3, and the first coil S0 is between the 4th coil S3 and the 5th coil S4 simultaneously.
As another kind of execution mode of the present utility model, as shown in Figure 4, the first coil S0 is positioned at the top of the second coil S1, tertiary coil S2, the 4th coil S3 and the 5th coil S4.In addition, the first coil S0 also can be positioned at the below (referring to Fig. 5) of the second coil S1, tertiary coil S2, the 4th coil S3 and the 5th coil S4.In above two kinds of structures, the first coil S0 can intersect with other coils, also can not intersect with other coils.
In the utility model, the angle between the adjacent windings can be chosen arbitrarily in 5 ~ 30 ° of scopes, as long as make the multiaxis coupling transmitting winding group that finally intersects to form be flat.
Figure 6 shows that the utility model external circuit module connection diagram, wherein, external circuit module 1 comprises processing module 8, oscillation module 9, power amplifier 10, multidiameter option switch 11, RF receiver module 12 and reception antenna 13.Reception antenna 13, RF receiver module 12, processing module 8 and multidiameter option switch 11 are electrically connected successively, reception antenna 13 receives the feedback information that sends from implanted internal circuit module 4, this feedback information comprises the dc voltage value of implanted internal circuit module 4, and RF receiver module 12 sends to processing module 8 with the feedback information that receives; Processing module 8 receives this feedback information, obtains the dc voltage value of implanted internal circuit module 4, and this magnitude of voltage and historical magnitude of voltage are compared, and judges electric power thus supplied, and transmits control signal in view of the above with control multidiameter option switch 11.Oscillation module 9, power amplifier 10 and multidiameter option switch 11 are electrically connected successively; Each way switch of multidiameter option switch 11 is electrically connected with a multiaxis coupling transmitting winding group 5 respectively accordingly, and each coil in each multiaxis coupling transmitting winding group 5 is parallel with one another.The oscillator signal that oscillation module 9 produces amplifies the back through power amplifier 10 and forms high-power oscillating current, and this oscillating current is transferred to multiaxis coupling transmitting winding group 5 by multidiameter option switch 11, thus launching electromagnetic wave.The receiving circuit that RF receiver module 12 constitutes for the RF receiving chip.Processing module 8 is made of single-chip microcomputer or dsp chip.Oscillation module 9 is the signal source that LC oscillating circuit or DDS chip constitute.
Be illustrated in figure 7 as the utility model implanted internal circuit module and implanted receiving coil connection diagram, implanted internal circuit module 4 comprises current rectifying and wave filtering circuit 14, voltage stabilizing circuit 15, energy monitoring module 16, RF transmitter module 17 and transmitting antenna 18.Implanted receiving coil 3, current rectifying and wave filtering circuit 14 and voltage stabilizing circuit 15 are electrically connected successively, implanted receiving coil 3 receives multiaxis coupling transmitting winding group 5 electromagnetic energy emitted by the inductance coupling high mode, produce alternating current, current rectifying and wave filtering circuit 15 is converted to direct current with alternating current, 16 pairs of these direct currents of voltage stabilizing circuit carry out voltage stabilizing, produce galvanic current.Energy monitoring module 16, RF transmitter module 17 and transmitting antenna 18 are electrically connected successively, and energy monitoring module 16 also is electrically connected with current rectifying and wave filtering circuit 14.Wherein, energy monitoring module 16 is made of AD sample circuit and low power processor, detects the galvanic magnitude of voltage that current rectifying and wave filtering circuit 14 produces, and should be worth by RF transmitter module 17 and transmitting antenna 18 wireless transmissions, feeds back to external circuit module 1.
The concrete course of work of the utility model wireless energy supply device is as follows:
Implanted receiving coil 3 and implanted internal circuit module 4 are implanted to (in the rat body) in the object to be measured, rat is placed rearging cage, rat can be free movable in rearging cage, the rearging cage bottom surface is a rectangle, rearging cage places on the multiaxis energy transmitter module 2, and the rearging cage bottom surface does not exceed multiaxis energy transmitter module 2 upper surfaces.
Processing module 8 is passed through inquiry control multidiameter option switch 11 gating in turn, to each multiaxis coupling transmitting winding group 5 power supplies in turn, while receiving feedback informations.Implanted receiving coil 3 receives electromagnetic energy by the inductance coupling high mode, produce direct current by current rectifying and wave filtering circuit 15, energy monitoring module 16 detects this direct voltage, and this magnitude of voltage sent by RF transmitter module 17 and transmitting antenna 18, reception antenna 13 and RF receiver module 12 receive this feedback information, and this information sent to processing module 8, processing module 8 these magnitudes of voltage of record, by once circulation, the magnitude of voltage of implanted receiving coil 3 feedbacks that processing module 8 obtains each multiaxis coupling transmitting winding group 5 when powering respectively, the pairing multiaxis coupling of maximum feedback magnitude of voltage transmitting winding group 5 is a coupling efficiency ceiling for accumulation circle group; Processing module 8 control multidiameter option switchs 11 connect this coil groups and power amplifier 10, keep this connection at ensuing a period of time multidiameter option switch 11.Because animal is walked about implanted receiving coil 3 positions is changed, be reduced to half of maximum feedback magnitude of voltage to the magnitude of voltage of processing module 8 feedback when implanted receiving coil 3, repeat polling operation this moment, finds the multiaxis coupling transmitting winding group 5 of best power supplying efficiency, continues power supply.As seen, use the utility model wireless energy supply device,, thereby make wireless energy supply keep stable, improved implanted receiving coil obliquity resistance even the run-off the straight of implanted receiving coil also can make the coupling energy of receiving coil keep constant substantially.And, select the highest multiaxis coupling transmitting winding group launching electromagnetic wave of coupling efficiency by energy monitoring feedback system, implanted receiving coil 3 is carried out the pinpoint energy supply, reduce the energy loss of clearance spaces scope, improve energy supply efficient.
Claims (7)
1. wireless energy supply device that is used for the implantation type wireless remote measurement, comprise external circuit module (1), mutual implanted receiving coil (3) and the implanted internal circuit module (4) that is electrically connected, it is characterized in that: outside subject to be measured, be equipped with multiaxis energy transmitter module (2), described multiaxis energy transmitter module (2) comprises base (6) and is fixed in an above flat multiaxis coupling transmitting winding group (5) of base (6) upper surface, each multiaxis coupling transmitting winding group (5) is electrically connected with described external circuit module (1) respectively, each described multiaxis coupling transmitting winding group (5) is become with upper set of coils with two that are surrounded on this core body by core body, and has two the above coils to intersect mutually and each coil non-overlapping copies.
2. the wireless energy supply device that is used for the implantation type wireless remote measurement according to claim 1 is characterized in that: in more than one described multiaxis coupling transmitting winding group, the angle between the adjacent windings is 5～30 °.
3. the wireless energy supply device that is used for the implantation type wireless remote measurement according to claim 1 and 2 is characterized in that: more than one described multiaxis coupling transmitting winding group is made up of five coils.
4. the wireless energy supply device that is used for the implantation type wireless remote measurement according to claim 3, it is characterized in that: first coil in the described multiaxis coupling transmitting winding group is a horizontal coil, and the connecting line of the intersection of second coil and tertiary coil is vertical with the connecting line of the intersection of the 5th coil with the 4th coil.
5. the wireless energy supply device that is used for the implantation type wireless remote measurement according to claim 4 is characterized in that: described first coil is between second coil and tertiary coil, and first coil is between the 4th coil and the 5th coil.
6. the wireless energy supply device that is used for the implantation type wireless remote measurement according to claim 4, it is characterized in that: described first coil is positioned at the top of second coil, tertiary coil, the 4th coil and the 5th coil, and perhaps described first coil is positioned at the below of second coil, tertiary coil, the 4th coil and the 5th coil.
7. the wireless energy supply device that is used for the implantation type wireless remote measurement according to claim 1, it is characterized in that: described implanted internal circuit module (4) also contains energy monitoring module (16), wireless transmitter module (17) and the transmitting antenna (18) that is electrically connected successively, and described external circuit module (1) also contains the wireless receiving module (12) and the reception antenna (13) of mutual electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206665010U CN201937342U (en) | 2010-12-18 | 2010-12-18 | Wireless energy-supplying device for implanted wireless remote measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206665010U CN201937342U (en) | 2010-12-18 | 2010-12-18 | Wireless energy-supplying device for implanted wireless remote measurement |
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| Publication Number | Publication Date |
|---|---|
| CN201937342U true CN201937342U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206665010U Expired - Lifetime CN201937342U (en) | 2010-12-18 | 2010-12-18 | Wireless energy-supplying device for implanted wireless remote measurement |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122846A (en) * | 2010-12-18 | 2011-07-13 | 浙江大学 | Wireless energy supply device for implantable wireless telemetry |
| CN103475107A (en) * | 2013-08-30 | 2013-12-25 | 成都远晟科技有限公司 | Wireless charging method and wireless charging transmitting antenna |
| CN104094498A (en) * | 2012-03-14 | 2014-10-08 | 松下电器产业株式会社 | Electricity supply device, electricity reception device, and electricity supply system |
-
2010
- 2010-12-18 CN CN2010206665010U patent/CN201937342U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122846A (en) * | 2010-12-18 | 2011-07-13 | 浙江大学 | Wireless energy supply device for implantable wireless telemetry |
| CN102122846B (en) * | 2010-12-18 | 2013-04-17 | 浙江大学 | Wireless energy supply device for implantable wireless telemetry |
| CN104094498A (en) * | 2012-03-14 | 2014-10-08 | 松下电器产业株式会社 | Electricity supply device, electricity reception device, and electricity supply system |
| CN104094498B (en) * | 2012-03-14 | 2017-11-21 | 松下知识产权经营株式会社 | Electric supply installation, current-collecting device and electric power system |
| CN103475107A (en) * | 2013-08-30 | 2013-12-25 | 成都远晟科技有限公司 | Wireless charging method and wireless charging transmitting antenna |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110817 Effective date of abandoning: 20130417 |
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| RGAV | Abandon patent right to avoid regrant |