CN104068821B - A kind of human body micro detector and active controller - Google Patents
A kind of human body micro detector and active controller Download PDFInfo
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- CN104068821B CN104068821B CN201410287144.XA CN201410287144A CN104068821B CN 104068821 B CN104068821 B CN 104068821B CN 201410287144 A CN201410287144 A CN 201410287144A CN 104068821 B CN104068821 B CN 104068821B
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Abstract
The present invention is applicable to medical instruments field, and provide a kind of human body micro detector and active controller, human body micro detector comprises battery and functional unit, is connected with described battery, controls the on and off switch that described battery is powered to described functional unit; Receive the activation signal receiving terminal of the wireless activation signal that external activation controller sends; And be connected with described battery, on and off switch and wireless interface receiving end respectively, control the closed active control unit of described on and off switch according to described activation signal.The present invention starts generation activation signal by active controller before micro detector enters human body, utilize electromagnetic principle by activation signal to human body micro detector, with human activin micro detector, effectively can reduce the energy loss of human body micro detector, warrantor's body minisize detector has enough working times after entering human body.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of human body micro detector and active controller.
Background technology
Wired diagnosis and therapy system is more suitable for the diagnosis and treatment that body is closely shown, and due to pining down by outside plants such as wires, is not easy to particularly gastral inspection in body.Therefore, utilizing micro detector in human body, carry out non-invasive diagnosis is applied in medical field gradually.
Take capsule endoscope as the human body micro detector of representative, the mode of available wireless takes image in human body, by image transmitting to external detection device, also by other sensors, gastral temperature, pH value are detected, position can also be created to disease and carry out dispenser, sampling etc., have very vast potential for future development.
Human body micro detector only just starts to gather diagnosis and treatment data after entering human body, and existing human body micro detector is activated when dispatching from the factory, and starts loss of energy, when patient takes, Power supply is very limited, directly causes its working time to reduce, and can not meet detection requirement well.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of human body micro detector, activates, the energy loss caused to avoid premature activation when entering people's body running, the working time of warrantor's body minisize detector.
The embodiment of the present invention is achieved in that a kind of human body micro detector, comprises battery and functional unit, and described human body micro detector also comprises:
Be connected with described battery, control the on and off switch that described battery is powered to described functional unit;
Receive the activation signal receiving terminal of the wireless activation signal that external activation controller sends; And
Be connected with described battery, on and off switch and wireless interface receiving end respectively, control the closed active control unit of described on and off switch according to described activation signal.
Another object of the embodiment of the present invention is to provide a kind of active controller for human body micro detector, and described active controller comprises:
Power circuit;
Be connected with described power circuit, produce the activation signal generator of wireless activation signal; And
Described wireless activation signal is emitted to the activation signal transmitting terminal of human body micro detector with electromagnetic wave.
In the embodiment of the present invention, started before micro detector enters human body by active controller and produce activation signal, utilize electromagnetic principle by activation signal to human body micro detector, with human activin micro detector, effectively can reduce the energy loss of human body micro detector, warrantor's body minisize detector has enough working times after entering human body.
Accompanying drawing explanation
The structural representation of people's body minisize detection system that Fig. 1 provides for the embodiment of the present invention;
The functional structure chart of the active control unit that Fig. 2 provides for the embodiment of the present invention;
The workflow diagram of the active control unit that Fig. 3 provides for the embodiment of the present invention;
The realization flow figure of the micro detector Activiation method that Fig. 4 provides for the embodiment of the present invention one;
Fig. 5 is the position relationship schematic diagram of transmitting coil and receiving coil in one embodiment of the invention;
The realization flow figure of the micro detector Activiation method that Fig. 6 provides for the embodiment of the present invention two.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In the embodiment of the present invention, external activation controller produces wireless activation signal, is sent to human body micro detector with the form of electromagnetic field, and human body micro detector is judging to enter duty after wireless activation signal effectively.
In order to technical solutions according to the invention are described, be described below by specific embodiment.
Fig. 1 shows the structure of people's body minisize detection system that the embodiment of the present invention provides, and for convenience of explanation the part relevant to the embodiment of the present invention is only shown.
Active controller 10 comprises power circuit 11, produces the activation signal generator 12 of wireless activation signal, and wireless activation signal is emitted to the activation signal transmitting terminal 13 of micro detector 20 with electromagnetic wave.
As one embodiment of the present of invention, activation signal transmitting terminal 13 comprises amplifying circuit 131 and radiating circuit 132.
Power circuit 11 is connected with activation signal generator 12, amplifying circuit 131 and radiating circuit 132 respectively, the alternating current of outside is converted to the electric current being applicable to activation signal generator 12, amplifying circuit 131 and radiating circuit 132 and working.
Activation signal generator 12 produces wireless activation signal.
In embodiments of the present invention, wireless activation signal can be pulse signal, in other embodiments, can also be sine wave signal, triangular signal etc.Activation signal generator 12 can be pulsed activation signal generator, can also adopt sinusoidal wave activation signal generator or triangular wave activation signal generator etc. in other embodiments.
The wireless activation signal that activation signal generator 12 sends amplifies by amplifying circuit 131, is sent to radiating circuit 132.
As one embodiment of the present of invention, amplifying circuit 131 adopts audion total radio amplifier.
Wireless activation signal after amplifying circuit 131 amplifies by radiating circuit 132 is launched with the form of alternating electromagnetic field.
Micro detector 20 comprises activation signal receiving terminal 21, active control unit 22, battery 23, on and off switch 24, functional unit 25.
On and off switch 24 is connected with battery 23, controls battery 23 and powers to functional unit 25.
Activation signal receiving terminal 21 receives the wireless activation signal that external activation controller sends.
Active control unit 22 is connected with battery 23, on and off switch 24 and wireless interface receiving end 21 respectively, controls on and off switch 24 close according to activation signal, thus battery 23 is powered to functional unit 25, and minitype detecting device 20 is started working.
As one embodiment of the present of invention, wireless interface receiving end 21 comprises receiving circuit 211 and filter circuit 212.
Electromagnetic wave exports with the form of alternating current after receiving the electromagnetic wave that active controller 10 launches by receiving circuit 211.
For avoiding causing the negative effects such as electromagnetic interference to other functional modules, configuration receiving circuit 211 is away from functional unit 25.
Filter circuit 212 adopts RC filter circuit, carries out filtering, reduction for the wireless activation signal received receiving circuit 211.
Active control unit 22 is connected with filter circuit 212, battery 23 and on and off switch 24 respectively, detects and judges whether the signal that filter circuit 212 exports is wireless activation signal, controls on and off switch 24 and is in closed or off-state.
As a preferred embodiment of the present invention, for the ease of checking micro detector 20 whether successful activation, activating cue mark 26 can be LED.In other embodiments, activating cue mark 26 can also be the indicating device such as acoustical generator, vibrator.
When micro detector 20 is activated, control on and off switch 24 and close, LED is bright.In the present embodiment, if comprising lighting unit in functional unit 25 also can as activation cue mark.If it is not wireless activation signal that active control unit 22 detects the signal received, on and off switch 24 is still in off-state, and now battery 23 cannot be powered to activation cue mark 26, represents that micro detector 20 is not activated.
Battery 23 provides the electric energy required for work for micro detector 20.
On and off switch 24 is powered to functional unit 25 and activation cue mark 26 for disconnecting or connecting battery 23.
As one embodiment of the present of invention, micro detector 20 is capsule endoscopic, and functional unit 25 comprises lighting unit, image unit and radio frequency unit etc.
Functional unit 25 can also be storage silo, sampler, drug release device, medicine storehouse etc. in other embodiments, the function that the selection of specific functional modules will realize according to micro detector and determining.
In the first embodiment of the invention, in the embodiment of the present invention, radiating circuit 132 adopts launches resonance circuit, and launching resonance circuit can be LC resonance circuit or other resonance circuits.The frequency of the wireless activation signal that activation signal generator 12 produces is identical with the resonant frequency of launching resonance circuit.Receiving circuit 211 also adopts and receives resonance circuit, and receiving resonance circuit can be LC resonance circuit or other resonance circuits.The resonant frequency receiving resonance circuit is consistent with the resonant frequency of launching resonance circuit.The transmitting coil of LC resonance circuit and receiving coil can adopt plane spiral shell coiling.
The advantage of this embodiment is when activating micro detector, does not strictly limit the position residing for external control system and micro detector, and the signal that resonance produces is comparatively strong, and the efficiency of Signal transmissions is higher.
In second embodiment of the invention, radiating circuit 132 adopts transmitting coil to transmit, and receiving circuit 211 adopts receiving coil Received signal strength.Micro detector 20 outer surface is marked with the position recognition mark of receiving coil, can adopt the inert metal layer being different from micro detector 20 color of shell.
As one embodiment of the present of invention, transmitting coil and receiving coil all adopt plane annular spiral shell coiling.Wherein, the internal diameter of transmitting coil is greater than the cross-sectional diameter of micro detector 20.The external diameter of receiving coil is less than the cross-sectional diameter of micro detector 20.Receiving coil is placed at the cross section of interior parallel in micro detector 20, and ensures on the central shaft being centrally located at micro detector 20 of receiving coil.
With reference to figure 5, when activating micro detector 20, by transmitting coil 1321 through micro detector 20, and in there being the position of identification marking to place, keep transmitting coil 1321 and the same central shaft of receiving coil 2111 same plane, to reach good electromagnetic induction coupling effect.
The effect of this embodiment be the wireless transmit of activation signal and wireless receiving to realize structure simple, cost is low, easily realizes.
Fig. 2 shows the functional structure of the active control unit that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
When micro detector 20 is in resting state, active control unit 22 is in low power consumpting state, and active control unit 22 inside only has signal input unit 221 in running order, and Received signal strength at any time, power consumption is lower.
After signal input unit 221 receives the signal of filter circuit 212 transmission, by this Signal transmissions to signal comparing unit 222.
Signal comparing unit 222 storage inside has the activation signal of standard, is compared by the activation signal of the signal received and storage, if two signals are identical or difference in set point, then assert that Received signal strength is activation signal, generates active control instruction.
Active control instruction is sent on and off switch 24 by instruction output unit 224 and controls on and off switch 24 and close.
As one embodiment of the present of invention, active control unit 22 can adopt MCU chip to realize.
Fig. 3 shows the workflow of the active control unit that the embodiment of the present invention provides, and details are as follows:
In step S301, after active control unit receives signal, be converted to normal operating conditions by low power consumpting state;
In step s 302, whether identical with the signal stored or the difference of the signal that receives of active control unit judges is in set point;
If so, enter in step S303, active control unit controls on and off switch closes, and now, battery is powered to activation cue mark and functional unit.
If not enter in step S304, active control cell translation is low power consumpting state.
Fig. 4 shows the realization flow of human activin micro detector in the embodiment of the present invention one, and details are as follows:
In step S401, active controller and external power source are connected;
In step S402, activation signal generator generates wireless activation signal, and sends it in amplifying circuit;
In step S403, signal amplifies by amplifying circuit, and is sent in transmitting resonance circuit;
In step s 404, launch after resonance circuit receives activation signal and produce resonance, produce the alternating electromagnetic field of corresponding frequencies;
In step S405, utilize electromagentic resonance principle, receive resonance circuit at elect magnetic field generation electromagentic resonance, and produce corresponding frequencies signal, be sent in filter circuit with alternating current;
In step S406, filter circuit carries out Filtering Processing to receiving activation signal, makes it be reduced to primary signal, is sent in active control unit;
In step S 407, after active control unit receives signal, whether be activation signal, and carry out respective handling if detecting;
If active control unit judges is activation signal, then send control instruction, control on and off switch and switch to conducting state, make functional unit and activate indicating member energising, human activin micro detector;
If active control unit judges is not activation signal, then keep human body micro detector to keep resting state, active control unit switches to low power consumpting state again.
The embodiment of the present invention adopts electromagentic resonance principle human activin micro detector, and advantage is that the position that active controller and human body micro detector are placed strictly does not limit, and the signal that resonance produces is strong, and efficiency of transmission is high.
Fig. 6 shows the realization flow of human activin micro detector in the embodiment of the present invention two, and in the present embodiment, human body micro detector cross section is circle, is with the realization flow difference of embodiment one:
In step s 601, transmitting coil is placed around human body micro detector, after ensureing transmitting coil and the same central shaft of receiving coil same plane, active controller external power source is connected;
In step s 604, after transmitting coil receives activation signal, launch the alternating electromagnetic field of corresponding frequencies;
In step s 605, utilize electromagnetic induction principle, receiving coil at elect magnetic field generation electromagnetic induction, and produces corresponding frequencies signal, is sent in filter circuit with alternating current;
The embodiment of the present invention adopts and transmitting coil is entangled radio micro sniffer, utilizes electromagnetic induction principle human activin micro detector, and advantage is receiving coil and transmitting coil structure simply, and Signal transmissions is fast, and efficiency is high.Active control unit in human body micro detector judges to the received signal, determine whether provide electric energy to functional unit, thus the time that human body micro detector is started working is controlled, reduce energy loss, the problem that the Power supply of warrantor's body minisize detector is limited, makes micro detector after entering human body, have time enough work.
In the embodiment of the present invention, started before micro detector enters human body by active controller and produce activation signal, utilize electromagnetic principle by activation signal to human body micro detector, with human activin micro detector, effectively can reduce the energy loss of human body micro detector, ensure that micro detector has enough working times after entering human body.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a human body micro detector, comprises battery and functional unit, and is connected with described battery, and control the on and off switch that described battery is powered to described functional unit, it is characterized in that, described human body micro detector also comprises:
Be connected with described battery, on and off switch and activation signal receiving terminal respectively, control the closed active control unit of described on and off switch according to described activation signal;
Receive the activation signal receiving terminal of the wireless activation signal that external activation controller sends, described activation signal receiving terminal comprises filter circuit and receiving circuit, described filter circuit carries out Filtering Processing to receiving activation signal, it is made to be reduced to primary signal, be sent in active control unit, if active control unit judges is not activation signal, then keep human body micro detector to keep resting state, active control unit switches to low power consumpting state;
Wherein said receiving circuit adopts receiving coil Received signal strength, and the outer surface of described human body micro detector has the identification marking indicating described receiving coil position;
The external diameter of described receiving coil is less than the cross-sectional diameter of micro detector, and receiving coil is placed at the cross section of interior parallel in micro detector, and ensure receiving coil be centrally located on the central shaft of micro detector;
Described active control unit comprises: the signal input unit receiving described activation signal; The standard active signal of the described activation signal received and storage is compared, exports the signal comparing unit of active control instruction; And according to described active control instruction by instruction output unit closed on and off switch.
2. human body micro detector as claimed in claim 1, it is characterized in that, described receiving coil utilizes electromagnetic induction principle, produces corresponding frequency signal.
3. human body micro detector as claimed in claim 2, it is characterized in that, described receiving circuit receives the signal that radiating circuit sends, described radiating circuit adopts transmitting coil to transmit, described transmitting coil and receiving coil all adopt plane annular spiral shell coiling, and the internal diameter of transmitting coil is greater than the cross-sectional diameter of micro detector.
4. human body micro detector as claimed in claim 3, it is characterized in that, when activating described micro detector, by described transmitting coil through micro detector, and in there being the position of identification marking to place, keep described transmitting coil and the same central shaft of described receiving coil same plane.
5. human body micro detector as claimed in claim 1, it is characterized in that, described human body micro detector also comprises activation cue mark.
6., for an active controller for the human body micro detector as described in as arbitrary in claim 1-5, it is characterized in that, described active controller comprises:
Power circuit;
Be connected with described power circuit, produce the activation signal generator of wireless activation signal; And
Described wireless activation signal is emitted to the activation signal transmitting terminal of described human body micro detector with electromagnetic wave.
7. active controller as claimed in claim 6, it is characterized in that, described activation signal transmitting terminal comprises:
The amplifying circuit that the activation signal produced by described activation signal generator amplifies; And
The radiating circuit that wireless activation signal after being amplified by described amplifying circuit is launched with electromagnetic wave.
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| CN201410287144.XA CN104068821B (en) | 2014-06-24 | 2014-06-24 | A kind of human body micro detector and active controller |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843284A (en) * | 2005-04-07 | 2006-10-11 | 中国科学院合肥智能机械研究所 | External magnetic field driving system of in vivo microrobot |
| WO2007060658A2 (en) * | 2005-11-22 | 2007-05-31 | Given Imaging Ltd. | Device, method and system for activating an in-vivo imaging device |
| CN203970334U (en) * | 2014-06-24 | 2014-12-03 | 深圳市资福技术有限公司 | A kind of human body micro detector and active controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5489513B2 (en) * | 2009-04-08 | 2014-05-14 | オリンパス株式会社 | In-vivo observation system and driving method of in-vivo observation system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843284A (en) * | 2005-04-07 | 2006-10-11 | 中国科学院合肥智能机械研究所 | External magnetic field driving system of in vivo microrobot |
| WO2007060658A2 (en) * | 2005-11-22 | 2007-05-31 | Given Imaging Ltd. | Device, method and system for activating an in-vivo imaging device |
| CN203970334U (en) * | 2014-06-24 | 2014-12-03 | 深圳市资福技术有限公司 | A kind of human body micro detector and active controller |
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Inventor after: Wang Jianping Inventor after: Deng Wenjun Inventor after: She Na Inventor after: Li Tao Inventor before: Li Yi Inventor before: Sun Ping Inventor before: Wang Jianping Inventor before: Li Yisunping, Wang Jianping, Deng Wenjun |
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Address after: 518000 9 A905-1, Thunis science and Technology Park, No. 13, Langshan Road, North Nanshan District hi tech Industrial Park, Shenzhen, Guangdong. Patentee after: Shenzhen fufu Medical Technology Co., Ltd. Address before: 518000 9 A905-1, Thunis science and Technology Park, No. 13, Langshan Road, North Nanshan District hi tech Industrial Park, Shenzhen, Guangdong. Patentee before: Shenzhen Zifu Technology Co., Ltd. |