CN1641969A - Repeated-use wireless electronic capsule internal lens - Google Patents
Repeated-use wireless electronic capsule internal lens Download PDFInfo
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- CN1641969A CN1641969A CNA2004100158204A CN200410015820A CN1641969A CN 1641969 A CN1641969 A CN 1641969A CN A2004100158204 A CNA2004100158204 A CN A2004100158204A CN 200410015820 A CN200410015820 A CN 200410015820A CN 1641969 A CN1641969 A CN 1641969A
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Abstract
The invention relates to a wireless electric capsule endoscope that be used plural times. It comprises a work unit, inductive coupling influence power supply unit, charging control unit and charging battery. The inductive coupling influence power supply unit connects to charging control unit that connects to charging battery. Power supply control unit connects to the inductive coupling influence power supply unit, charging control unit and charging battery. The advantage of the invention includes that the electric capsule endoscope can be used plural times, and the cost would be declined.
Description
Technical field
The present invention relates to medical electronic technology, especially relate to a kind of power technology of wireless electron capsule endoscope.
Background technology
The wireless electron capsule endoscope that uses is totally enclosed at present, and its battery can not be changed, and capsule endoscope can only use once, just must abandon, so the cost of use costliness is difficult for popularizing; In addition because the wireless electron capsule endoscope is to carry out work by the powered battery of inside, in order the wireless electron capsule endoscope to be advanced reach a few hours can both operate as normal in human body alimentary canal, and guarantee to power, its volume of battery and weight can not be done very for a short time, thereby influenced the deadweight and the volume of capsule endoscope, influenced the increase of other function of capsule endoscope.
Summary of the invention
The objective of the invention is can only expendable problem in order to solve above-mentioned wireless electron capsule endoscope, and the wireless electron capsule endoscope can repeatedly be used repeatedly, reduces the single use cost; Reduce the deadweight that volume of battery and weight alleviate capsule by charging repeatedly in addition, reduce the volume of capsule or increase other function of scope and the nonexpondable wireless electron capsule endoscope of a kind of energy that designs.
The present invention finishes the technical scheme that above-mentioned purpose adopts: a kind of wireless electron capsule endoscope, comprise the working cell, and also comprise inductance coupling high induction power supply unit, charging control unit, power control unit and rechargeable battery; Wherein, inductance coupling high induction power supply unit connects charging control unit, and charging control unit connects rechargeable battery, and power control unit connects inductance coupling high induction power supply unit, charging control unit and rechargeable battery respectively; Described inductance coupling high induction power supply unit comprises inductance coil, coupling capacitance and rectification circuit; described charging control unit comprises excess voltage protection, overvoltage indicating circuit; described power control unit can comprise multi-joint linked switch; also can comprise multi-joint electronic switch, over circuit and microprocessor controller; described rechargeable battery can be ni-mh (Ni-Mh) battery, also can be lithium ion (Li-lon) battery, lithium metal (Li/LixMnO2) battery or lighium polymer (Li-Poly) battery.
Beneficial effect of the present invention: owing to use rechargeable battery and adopt the inductive coupling technology to charge, the wireless electron capsule endoscope can repeatedly be used, thereby reduce the single use cost, the wireless electron capsule endoscope is popularized, wireless electron capsule endoscope technology is developed; Repeatedly charge by the inductive coupling technology in addition and reduce deadweight, the volume that reduces capsule that volume of battery and weight alleviates capsule or other function that increases scope.
Description of drawings
Fig. 1 is a kind of circuit theory schematic diagram of inductance coupling high induction mode charging.
The circuit structure block diagram that Fig. 2 charges with inductance inductive coupling mode for a kind of wireless electron capsule endoscope.
Fig. 3 is the circuit structure block diagram of a kind of wireless electron capsule endoscope inductance coupling high induction mode charging and common antenna and light-emitting diode.
Fig. 4 is a kind of circuit structure block diagram that utilizes the wireless electron capsule endoscope that electronic switch controls.
Fig. 5 is the workflow diagram of the microprocessor controller among Fig. 4 embodiment.
Fig. 6 is a kind of circuit structure block diagram of the wireless electron capsule endoscope that can constantly charge at work.
Fig. 7 is the workflow diagram of the microprocessor controller among Fig. 6 embodiment.
Fig. 8 is the workflow diagram of working method III (or IV) in the workflow diagram of 7 figure.
Fig. 9 is the charging control circuit figure of the lithium ion battery of integrated circuit in a kind of charging control unit.
Figure 10 is the charging control circuit figure of the lithium ion battery of integrated circuit in the another kind of charging control unit.
Figure 11 is the charging control circuit figure in a kind of charging control unit.
Figure 12 is the charging control circuit figure in the another kind of charging control unit.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
The use of wireless electron capsule endoscope is carried out in human body, with reclaiming earlier later, cleans, sterilizes, and then the battery of wireless electron capsule endoscope is charged; Because the wireless electron capsule endoscope is a totally enclosed device, to adopt the non-mode that electrically contacts so the battery in the wireless electron capsule endoscope charged, promptly use the mode of inductive coupling, comprise inductance coupling high induction and capacitive coupling induction, this is very common, very ripe electronic technology in the prior art, as the contactless IC card system and implant pulse reply device in the animal body etc.; Fig. 1 has represented the circuit theory of inductance coupling high induction mode charging; At the resonant circuit of charger 1 medium-high frequency power supply Uo through capacitor C 1 and inductance coil L1 composition, in inductance coil L1, produce high frequency magnetic field, the inductance coil L2 that the part magnetic line of force 2 of high frequency magnetic field passes in the inductive coupling power subsystem 3 of wireless electron capsule endoscope produces induced electromotive force, after diode D rectification the battery in the wireless electron capsule endoscope is charged, the capacitor C 2 in the inductive coupling power subsystem 3 of wireless electron capsule endoscope is formed the resonant circuit with charger 1 medium-high frequency power supply Uo same frequency Fo with inductance coil L2; Fo=1/2 π √ LC wherein, L, C can be L2 and C2 in the formula, also can be L1 and C1.
The circuit structure block diagram of the embodiment that the present invention charges with inductance inductive coupling mode, as shown in Figure 2: comprise working cell 9 in the wireless electron capsule endoscope, also comprise inductance coupling high induction power supply unit 5, charging control unit 6, switch element 7 and rechargeable battery 8; Described inductive coupling power subsystem 5 comprises inductive coupling circuit, the full-wave bridge rectifier circuit of being made up of inductance coil L and capacitor C, inductance coupling high induction power supply unit 5 connects the input of charging control unit 6, K switch 2 in the switch element 7 is the switch of 1 cutter * 2, a connection rechargeable battery 8 of K switch 2, two ends are established in the other end, wherein an end connects working cell 9, and the other end connects the output of charging control unit 6; Each earth terminal of inductance coupling high induction power supply unit 5, charging control unit 6, rechargeable battery 8 and 9 each unit, working cell is connected to each other; K switch 1 is a coupled switch with K switch 2, and when K switch 1 closure, K switch 2 connects the output of rechargeable batteries 8 and charging control unit 6; Described rechargeable battery 8 is lithium ion (Li-lon) battery; described charging control unit 6 comprises excess voltage protection, overvoltage indicating circuit, and described working cell 9 comprises light source, microprocessor controller, little video camera, antenna and radio transmitter.
In the embodiment of Fig. 2, the wireless electron capsule endoscope use after reclaim, clean, sterilization, put into special-purpose charger apparatus then, the battery of wireless electron capsule endoscope is charged; During charging, K switch 2 is pushed the position of the output that connects charging control unit 6, because K switch 2 is a coupled switch with K switch 1, so K switch 1 closure, started working by the resonant circuit that inductance coil L and capacitor C are formed, in the high frequency magnetic field that the charger apparatus of special use produces, resonant circuit is constantly responded to the generation electromotive force, through full-wave rectifying circuit D1～4, charging control unit 6, constantly rechargeable battery 8 is charged; After rechargeable battery 8 full charges, excess voltage protection in the charging control unit 6 is promptly controlled and is stopped charging, the light-emitting diode of the overvoltage indicating circuit in the charging control unit 6 promptly can be luminous, expression rechargeable battery 8 is full charge, after special-purpose charger apparatus is accepted light signal, promptly stop the work of charger high frequency electric source; Before entering human body, only need K switch 2 is pushed the position that connects working cell 9, can use the wireless electron capsule endoscope; This moment, the K switch 1 with K switch 2 interlocks also disconnected, and inductive coupling circuit quits work.
In other embodiments of the invention, described rechargeable battery 8 also can be ni-mh (Ni-Mh) battery, lithium metal (Li/LixMnO2) battery or lighium polymer (Li-Poly) battery, described inductive coupling power subsystem 5 also can be the capacitive coupling induction power supply, and described K switch 2 also can be the switch of 2 cuttves * 2; Rectification circuit in the described inductive coupling power subsystem 5 also can be a half-wave rectifying circuit.
The present invention charges with inductance inductive coupling mode and the circuit structure block diagram of an embodiment of common antenna and light-emitting diode, as shown in Figure 3: comprise working cell 12 in the wireless electron capsule endoscope, also comprise K switch 3, K4, K5, K6, inductance coil Lo, inductance coupling high induction power supply unit 11, charging control unit 13, rechargeable battery 14 and light-emitting diode Do are wherein, K switch 3, K4, K5, K6 is the linked switch of 1 cutter * 2, one of K switch 3 and K switch 4 is connected inductance coil Lo respectively, two ends are established in the other end, wherein an end connects the emission output of working cell 12 respectively, and the other end connects the capacitor C o in the inductance coupling high induction power supply unit 11 respectively; A connection rechargeable battery 14 of K switch 5, two ends are established in the other end, and wherein an end connects working cell 12, and the other end connects the charging output of charging control unit 13; One of K switch 6 connects light-emitting diode Do, and two ends are established in the other end, and wherein an end connects the luminous output of control of working cell 12, and the other end connects the luminous output of warning of charging control unit 13 overvoltage indicating circuits; So inductance coil Lo and light-emitting diode Do are that the working cell 12 and the charging part branch of capsule endoscope is public; Inductance coupling high induction power supply unit 11 connects the input of charging control unit 13; Each earth terminal of inductance coupling high induction power supply unit 11, charging control unit 13, rechargeable battery 14 and 12 each unit, working cell is connected to each other; When K switch 3, when K4 connects inductance coil Lo and capacitor C o, K switch 5 connects the output of rechargeable battery 14 and charging control unit 13, K switch 6 connects the luminous output of warning of light-emitting diode Do and charging control unit 13 overvoltage indicating circuits, and the live part in the wireless electron capsule endoscope is promptly started working; Described rechargeable battery 14 is ni-mh (Ni-Mh) battery; described charging control unit 13 comprises excess voltage protection, overvoltage indicating circuit; described inductive coupling power subsystem 11 comprises inductive coupling circuit, full-wave bridge rectifier circuit, and described working cell 12 comprises microprocessor controller, little video camera and radio transmitter.
In the embodiments of figure 3, the wireless electron capsule endoscope use after reclaim, clean, sterilization, put into special-purpose charger apparatus then, the battery of wireless electron capsule endoscope is charged; During charging, K switch 3, K4 connect inductance coil Lo and capacitor C o, K switch 5 connects the output of rechargeable battery 14 and charging control unit 13, K switch 6 connects the luminous output of warning of light-emitting diode Do and charging control unit 13 overvoltage indicating circuits, the resonant circuit that inductance coil Lo and capacitor C o form is started working, in the high frequency magnetic field that the charger apparatus of special use produces, resonant circuit is constantly responded to the generation electromotive force, through full-wave rectifying circuit D1～4, charging control unit 13, constantly rechargeable battery 14 is charged; After rechargeable battery 14 full charges, excess voltage protection in the charging control unit 13 is promptly controlled and is stopped charging, overvoltage indicating circuit in the charging control unit 13 can be lighted light-emitting diode Do through K switch 6 simultaneously, expression rechargeable battery 14 is full charge, after special-purpose charger apparatus is accepted light signal, promptly stop the work of charger high frequency electric source; Before entering human body, only need linked switch K3, K4, K5, K6 are pushed the position that connects working cell 12, can use the wireless electron capsule endoscope; This moment, inductance coil Lo and capacitor C o disconnected, and inductive coupling circuit quits work, and promptly the live part in the wireless electron capsule endoscope quits work.
The circuit structure that utilizes the wireless electron capsule endoscope that electronic switch controls in the embodiments of the invention is as shown in Figure 4: comprise working cell 19 in the wireless electron capsule endoscope, also comprise inductance coil Lo, inductance coupling high induction power supply unit 11, rechargeable battery 15, charging control unit 16, electronic switch unit 17 and microprocessor controller unit 18; Wherein, VD1 in the electronic switch unit 17, VD2, VD3 are the interlock electronic switch, one of electronic switch VD1 and electronic switch VD2 is connected inductance coil Lo respectively, two ends are established in the other end, wherein an end connects the transmitting-receiving output of working cell 19 respectively, and the other end connects the capacitor C o in the inductance coupling high induction power supply unit 11 respectively; The connection rechargeable battery 15 of electronic switch VD3, the other end connects the power input of working cell 19; K switch o connects the power input of rechargeable battery 15 and microprocessor controller 18 respectively; The output of inductance coupling high induction power supply unit 11 connects the input of charging control unit 16, the charging output of charging control unit 16 connects rechargeable battery 15, the control output end of charging control unit 16 connects microprocessor controller unit 18, and microprocessor controller unit 18 connects the control input end of the control end and the electronic switch unit 17 of working cell 19 respectively; Wherein, each earth terminal of inductance coupling high induction power supply unit 11, charging control unit 16, rechargeable battery 15, microprocessor controller unit 18 and 19 each unit, working cell is connected to each other; Described rechargeable battery 15 is lithium metal (Li/LixMnO2) battery; described charging control unit 16 comprises overvoltage protection and indicating circuit; described microprocessor controller unit 18 comprises the over circuit; described inductive coupling power subsystem 11 comprises inductive coupling circuit, full-wave bridge rectifier circuit, and described working cell 19 comprises light source, little video camera and radio reception transmitter.
In other embodiments of the invention, described charging electricity 15 also can be ni-mh (Ni-Mh) battery, lithium ion (Li-lon) battery or lighium polymer (Li-Poly) battery, described inductive coupling power subsystem 11 also can be the capacitive coupling induction power supply, and the rectification circuit in the described inductive coupling power subsystem 11 also can be a half-wave rectifying circuit.
Below in conjunction with the workflow diagram of the microprocessor controller of the circuit structure block diagram of Fig. 4 in the accompanying drawing and Fig. 5, the course of work of the wireless electron capsule endoscope of present embodiment is described further:
When the external charging of carrying out the wireless electron capsule endoscope:
Run jointly earlier and close Ko, microprocessor controller is resetted, the position of microprocessor controller control electronic switch 17 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 19, the power input that rechargeable battery 15 connects working cell 19, through the radio signal of inductance coil Lo transmission about rechargeable battery 15 storing electricity situations, inductance coil Lo receives the radio signal (above is step 100～105) of (from the charger apparatus of special use) charging then; Microprocessor controller is not work through selecting, it is charging, the position of control electronic switch 17 to b: make inductance coil Lo connect the capacitor C o in the inductance coupling high induction power supply unit 11 and disconnect being connected of power input of rechargeable battery 15 and working cell 19, charge; When rechargeable battery 15 full charges, excess voltage protection in the charging control unit 16 is promptly controlled and is stopped charging, and the overvoltage indicating circuit in the charging control unit 16 can be exported the control signal (step 80) that stop to charge through the control output end of charging control unit 16 to microprocessor controller simultaneously; After microprocessor controller is received the control signal that stops to charge, the position of control electronic switch 17 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 19, the power input that rechargeable battery 15 connects working cell 19; Send the radio signal that stops to charge through inductance coil Lo, after special-purpose charger apparatus is accepted radio signal, promptly stop the work of charger high frequency electric source, microprocessor controller makes whole wireless electron capsule endoscope be in resting state with standby (above is step 106, step 112～115, step 111), after the charger apparatus of special use quits work, the user also can cut-off switch Ko with standby;
When using the wireless electron capsule endoscope:
The K switch o of elder generation closes, and microprocessor controller resets, the position of microprocessor controller control electronic switch 17 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 19, the power input that rechargeable battery 15 connects working cell 19; Then through the radio signal of inductance coil Lo transmission about rechargeable battery 15 storing electricity situations, after external control device is received the fully charged signal of this wireless electron capsule endoscope, promptly send and start working and the instruction of working procedure, the user swallows the wireless electron capsule endoscope in the body simultaneously; After inductance coil Lo receives the radio signal of starting working; Microprocessor controller is through being chosen as work, rather than charging; When receiving instruction for working procedure I, Control work unit 19 carries out work, and the per second production also sends two width of cloth images (above is step 100～108); When receiving that instruction is working procedure II, Control work unit 19 carries out work, and production in per two seconds is transmission piece image (step 116) also: in the working procedure I shooting of the position of the careful observation of needs, make a video recording with working procedure II at the position that needs only generaI investigation; Work after a few hours, when the voltage of rechargeable battery 15 was lower than set point, the over circuit in the microprocessor controller unit 18 can send to microprocessor controller and stop power supply, out-of-work control signal (step 81); Promptly the quit work work of unit 19 of microprocessor controller, and send the out-of-work radio signal of electricity shortage through inductance coil Lo, microprocessor controller make whole wireless electron capsule endoscope be in resting state (above be step 109～111); The wireless electron capsule endoscope use after reclaim, clean, sterilization, but cut-off switch Ko then, in order to charging.
A kind of circuit structure of the wireless electron capsule endoscope that can constantly charge at work as shown in Figure 6 in the embodiments of the invention: comprise working cell 23 in the wireless electron capsule endoscope, also comprise inductance coupling high induction power supply unit 11, charging control unit 20, rechargeable battery 21, electronic switch unit 22, microprocessor controller unit 24 and inductance coil Lo; Wherein, VD4 in the electronic switch unit 22, VD5 are the interlock electronic switch, one of electronic switch VD4 and electronic switch VD5 is connected inductance coil Lo respectively, two ends are established in the other end, wherein an end connects the transmitting-receiving output of working cell 23 respectively, the other end connects the input of the output connection charging control unit 20 of the capacitor C o inductance coupling high induction power supply unit 11 in the inductance coupling high induction power supply unit 11 respectively, the charging output of charging control unit 20 connects rechargeable battery 21, and rechargeable battery 21 connects the power input of working cell 23; The control output end of charging control unit 20 connects microprocessor controller unit 24, and microprocessor controller unit 24 connects the control input end of the control end and the electronic switch 17 of working cell 23 respectively; K switch o connects the power input of rechargeable battery 21 and microprocessor controller unit 24 respectively; Each earth terminal of inductance coupling high induction power supply unit 11, charging control unit 20, rechargeable battery 21, microprocessor controller unit 24 and 23 each unit, working cell is connected to each other; Described rechargeable battery 21 is lithium metal (Li/LixMnO2) battery; described charging control unit 20 comprises overvoltage protection and indicating circuit; described microprocessor controller unit 24 comprises the over circuit; described inductive coupling power subsystem 11 comprises inductive coupling circuit, full-wave bridge rectifier circuit, and described working cell 23 comprises light source, little video camera and radio reception transmitter.
In other embodiments of the invention, described charging electricity 21 also can be ni-mh (Ni-Mh) battery, lithium ion (Li-lon) battery or lighium polymer (Li-Poly) battery, described inductive coupling power subsystem 11 also can be the capacitive coupling induction power supply, and the rectification circuit in the described inductive coupling power subsystem 11 also can be a half-wave rectifying circuit.
Below in conjunction with the workflow diagram of the working method III (or IV) of the workflow diagram of the microprocessor controller of the circuit structure diagram of Fig. 6 in the accompanying drawing, Fig. 7 and Fig. 8, the course of work of the wireless electron capsule endoscope that can constantly charge at work in the present embodiment is described further:
When the external charging of carrying out the wireless electron capsule endoscope:
Run jointly earlier and close Ko, microprocessor controller is resetted, the position of microprocessor controller control electronic switch 22 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 23, then through the radio signal of inductance coil Lo transmission about rechargeable battery 21 storing electricity situations, inductance coil Lo receives the radio signal (above is step 120～125) of (from the charger apparatus of special use) single charging, microprocessor controller is selected the charging modes of single charging, the position of control electronic switch 22 to b: make the capacitor C o in the inductance coil Lo connection inductance coupling high induction power supply unit 11, and charge; When rechargeable battery 21 full charges, excess voltage protection in the charging control unit 20 is promptly controlled and is stopped charging, and the overvoltage indicating circuit in the charging control unit 20 can be exported the control signal (step 80) that stop to charge through the control output end of charging control unit 20 to microprocessor controller simultaneously; After microprocessor controller is received the control signal that stops to charge, the position of control electronic switch 22 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 23; Send the radio signal that stops to charge through inductance coil Lo, after special-purpose charger apparatus is accepted radio signal, promptly stop the work of charger high frequency electric source; Microprocessor controller makes whole wireless electron capsule endoscope be in resting state with standby (above is step 126, step 132～136); After the charger apparatus of special use quits work, the user also can cut-off switch Ko with standby (step 137);
When using the wireless electron capsule endoscope:
The K switch o of elder generation closes, and microprocessor controller resets, the position of microprocessor controller control electronic switch 22 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 23; Then through the radio signal of inductance coil Lo transmission about rechargeable battery 21 storing electricity situations, after external control device is received the fully charged signal of this wireless electron capsule endoscope, promptly send and start working and the instruction of working procedure, the user swallows the wireless electron capsule endoscope in the body simultaneously, after inductance coil Lo receives the radio signal of starting working, the charging modes that charges in the microprocessor controller selection work, over electric circuit inspection rechargeable battery 21 in the while microprocessor controller unit 24: if be higher than the overdischarge point, can powered operation, microprocessor controller is again according to the Instruction Selection working procedure: when receiving instruction for working procedure III, Control work unit 23 carries out work, and the per second production also sends two width of cloth images (above is step 120～129); Concrete working procedure is as shown in Figure 8: microprocessor controller Control work unit 23 throws light on, shooting, image processing and image send; Microprocessor controller is controlled the position of electronic switch 22 to b then: make the capacitor C o in the inductance coil Lo connection inductance coupling high induction power supply unit 11, and carry out the charging in the work; Delay time after 0.4 second; The position of microprocessor controller control electronic switch 22 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 23; Microprocessor controller Control work unit 23 throws light on then, shooting, image processing and image send; Circulation like this, the per second production also sends two width of cloth images (above is step 143～147); If receive the instruction (step 83) of conversion after 0.4 second in time-delay; Microprocessor controller can be selected according to instruction: or quit work, make whole wireless electron capsule endoscope be in resting state (above is step 146, step 130, step 131); Or be converted to working procedure IV, work on; Working procedure IV is production in per two seconds and sends piece image, and its concrete working procedure and working procedure III are basic identical, and just time-delay is different, is 1.9 seconds (above is step 146, step 130, step 139, step 147, step 143 ~ 147); If in the above-mentioned course of work of constantly charging at work, when charging control unit 20 detects rechargeable battery 21 and is higher than overvoltage point, excess voltage protection in the charging control unit 20 is promptly controlled and is stopped charging, and the overvoltage indicating circuit in the charging control unit 20 can be exported the control signal that stop to charge through the control output end of charging control unit 20 to microprocessor controller simultaneously; After microprocessor controller is received the control signal that stops to charge, the position of control electronic switch 22 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 23; Microprocessor controller is through time-delay, and selective body is controlled device outward and sent the space cycle of radio electromagnetsm after period of wave, and Control work unit 23 throws light on, shooting, image processing and image send.
If the over electric circuit inspection in the microprocessor controller unit 24 is lower than the overdischarge point to rechargeable battery 21, can not powered operation, microprocessor controller promptly charges; The position of control electronic switch 22 to b: make the capacitor C o in the inductance coil Lo connection inductance coupling high induction power supply unit 11, and carry out charging in the body with the radio electromagnetsm ripple by external control device; When rechargeable battery 21 is higher than overdischarge point, the control signal that the control output end of charging control unit 20 can stop to charge to microprocessor controller output; After microprocessor controller is received the control signal that can stop to charge, and through time-delay, selective body is controlled device outward and is sent the space cycle of radio electromagnetsm after period of wave, the position of control electronic switch 22 to a: make inductance coil Lo connect the transmitting-receiving output of working cell 23, and Control work unit 23 throws light on, shooting, image processing and image send; When using the wireless electron capsule endoscope to make a video recording,, needing only the position available work program IV shooting of generaI investigation in the position available work program III of the careful observation of needs shooting; Because can adopt the mode of limit charging edge work in vivo, present embodiment can be selected the little rechargeable battery of capacity for use.
In order more completely to explain the present invention; realize embodiments of the invention more easily, enumerate the Application Example of some excess voltage protections of the prior art, overvoltage indicating circuit, over circuit and integrated regulator, charging control integrated circuit below the present invention is done more complete explanation.
The constant current/constant voltage charging control circuit of lithium ion battery is as shown in Figure 9 in a kind of charging control unit of the embodiment of the invention: the 27th, and model is the circuit of three-terminal voltage-stabilizing integrated of LM317T, the 29th, model is the lithium ion cell charging control integrated circuit of LM3420; 26 is the input of charging control circuit, in the embodiment of Fig. 2, the input of charging control circuit is connected with the output of inductance coupling high induction power supply unit 5, in the embodiment of Fig. 3, Fig. 4, Fig. 6, the input of charging control circuit is connected with the output of inductance coupling high induction power supply unit 11; 28 is the charging output of charging control circuit, in the embodiment of Fig. 2, the output of charging control circuit is connected with an end of K switch 2, in the embodiments of figure 3, the charging output of charging control circuit is connected with an end of K switch 5, in the embodiment of Fig. 4, Fig. 6, the charging output of charging control circuit is connected with the input of rechargeable battery 15,21; 25 is the control output end of charging control circuit, in the embodiment of Fig. 2, the control output end 25 of charging control circuit connects light-emitting diode after inverter is anti-phase, as superpotential warning indication, in the embodiments of figure 3, the control output end 25 of charging control circuit is after inverter is anti-phase, connect K switch 6 as the luminous output of the warning of charging control unit 13 overvoltage indicating circuits, in the embodiment of Fig. 4, Fig. 6, the control output end 25 of charging control circuit is connected with the input of microprocessor controller unit 18,24.
The constant current/constant voltage charging control circuit of lithium ion battery is as shown in figure 10 in the another kind of charging control unit of the embodiment of the invention: the 32nd, and the model of MAXIM company is the lithium ion cell charging control integrated circuit of MAX1736; 30 is the input of charging control circuit, in the embodiment of Fig. 2, the input of charging control circuit is connected with the output of inductance coupling high induction power supply unit 5, in the embodiment of Fig. 3, Fig. 4, Fig. 6, the input of charging control circuit is connected with the output of inductance coupling high induction power supply unit 11; 31 is the charging output of charging control circuit, in the embodiment of Fig. 2, the output of charging control circuit is connected with an end of K switch 2, in the embodiments of figure 3, the charging output of charging control circuit is connected with an end of K switch 5, in the embodiment of Fig. 4, Fig. 6, the charging output of charging control circuit is connected with the input of rechargeable battery 15,21; 33 is the control output end of charging control circuit, in the embodiment of Fig. 2, the control output end 33 of charging control circuit connects light-emitting diode after inverter is anti-phase, as superpotential warning indication, in the embodiments of figure 3, the control output end 33 of charging control circuit is after inverter is anti-phase, connect K switch 6 as the luminous output of the warning of charging control unit 13 overvoltage indicating circuits, in the embodiment of Fig. 4, Fig. 6, the control output end 33 of charging control circuit is connected with the input of microprocessor controller unit 18,24.
The operation principle of the lithium ion cell charging control circuit among Fig. 9, Figure 10 embodiment can be consulted " (ISBN7-5025-3958-1/TN.20) 436 pages, 525 pages of publishing Chemical Industry Press in January, 2003 of power IC handbook (descending).
In an embodiment of the present invention, charging control circuit comprises excess voltage protection and overvoltage indicating circuit and over circuit etc., be of common occurrence in the prior art, extremely general, as mobile phone, PDA, digital camera, in the charger of notebook computer etc., also have many ready-made integrated circuits available in addition in the prior art, detect integrated circuit as model for the MC34061/34061A/34062/35062 overvoltage, model is a MC3423/3523 overvoltage protection integrated circuit, model is a MPC2011/2012 overvoltage protection integrated circuit, model is an ADP3810/3811 battery charge control integrated circuit, model is AIC1761/1766, PS1718, U2402B, LM3647, ni-mhs such as MAX2003, the charging control of nickel integrated circuit, model is PS1719, LM3621, lithium ion cell charging control integrated circuit such as BQ2004, model is LTC1731-4.1, MAX1757, AIC1811, lithium ion cell chargings such as MAX1666 protections control integrated circuit, the application of above integrated circuit can consult " the novel integrated device practical circuit " published in August, 2002 Electronic Industry Press (ISBN7-5053-7854-6/TN.1646) and Science Press's " new type integrated circuit and application example thereof " of publishing in April, 2002 (ISBN7-03-010024-7/TN.362); Because the volume of wireless electron capsule endoscope is very little,, can only directly uses the chip of integrated circuit or become dedicated IC chip to use according to circuit production so can not use the integrated circuit after the various encapsulation.
Charging control circuit in a kind of charging control unit of the embodiment of the invention is as shown in figure 11: 35 is the input of charging control circuit, in the embodiment of Fig. 2, the input of charging control circuit is connected with an end of the capacitor C of inductance coupling high induction power supply unit 5, the other end ground connection of capacitor C, in the embodiment of Fig. 3, Fig. 4, Fig. 6, the input of charging control circuit is connected with the end of the capacitor C o of inductance coupling high induction power supply unit 11, the other end ground connection of capacitor C o; 37 is the charging output of charging control circuit, in the embodiment of Fig. 2, the output of charging control circuit is connected with an end of K switch 2, in the embodiments of figure 3, the charging output of charging control circuit is connected with an end of K switch 5, in the embodiment of Fig. 4, Fig. 6, the charging output of charging control circuit is connected with the input of rechargeable battery 15,21; 36 is the control output end of charging control circuit, in the embodiment of Fig. 2, the control output end 36 of charging control circuit connects light-emitting diode after inverter is anti-phase, as superpotential warning indication, in the embodiments of figure 3, the control output end 36 of charging control circuit is after inverter is anti-phase, connect K switch 6 as the luminous output of the warning of charging control unit 13 overvoltage indicating circuits, in the embodiment of Fig. 4, Fig. 6, the control output end 36 of charging control circuit is connected with the input of microprocessor controller unit 18,24.
Charging control circuit in the another kind of charging control unit of the embodiment of the invention is as shown in figure 12: 38 is the input of charging control circuit, in the embodiment of Fig. 2, the input of charging control circuit is connected with the output of inductance coupling high induction power supply unit 5, in the embodiment of Fig. 3, Fig. 4, Fig. 6, the input of charging control circuit is connected with the output of inductance coupling high induction power supply unit 11; 39 is the charging output of charging control circuit, in the embodiment of Fig. 2, the output of charging control circuit is connected with an end of K switch 2, in the embodiments of figure 3, the charging output of charging control circuit is connected with an end of K switch 5, in the embodiment of Fig. 4, Fig. 6, the charging output of charging control circuit is connected with the input of rechargeable battery 15,21; 40 is the control output end of charging control circuit, in the embodiment of Fig. 2, the control output end 40 of charging control circuit connects light-emitting diode after inverter is anti-phase, as superpotential warning indication, in the embodiments of figure 3, the control output end 40 of charging control circuit is after inverter is anti-phase, connect K switch 6 as the luminous output of the warning of charging control unit 13 overvoltage indicating circuits, in the embodiment of Fig. 4, Fig. 6, the control output end 40 of charging control circuit is connected with the input of microprocessor controller unit 18,24.
The operation principle of the charging control circuit among Figure 11, Figure 12 embodiment can be consulted " the novel power supply circuit application example " published in Electronic Industry Press October calendar year 2001 (ISBN7-5053-6913-X/TN.1461) 287 pages, 309 pages.
Claims (3)
1. nonexpondable wireless electron capsule endoscope of energy, comprise working cell (19), it is characterized in that: also comprise inductance coupling high induction power supply unit (11), charging control unit (16), power control unit (17,18) and rechargeable battery (15), wherein, inductance coupling high induction power supply unit (11) connects charging control unit (16), charging control unit (16) connects rechargeable battery (15), and power control unit (17,18) connects inductance coupling high induction power supply unit (11), charging control unit (16) and rechargeable battery (15) respectively; Described inductance coupling high induction power supply unit (11) comprises inductance coil (Lo), coupling capacitance (Co) and rectification circuit, and described charging control unit (16) comprises excess voltage protection, overvoltage indicating circuit.
2. the nonexpondable wireless electron capsule endoscope of energy according to claim 1, it is characterized in that: described power control unit comprises multi-joint linked switch.
3. the nonexpondable wireless electron capsule endoscope of energy according to claim 1 is characterized in that: described power control unit comprises multi-joint electronic switch (17), over circuit and microprocessor controller (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100158204A CN1641969A (en) | 2004-01-14 | 2004-01-14 | Repeated-use wireless electronic capsule internal lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100158204A CN1641969A (en) | 2004-01-14 | 2004-01-14 | Repeated-use wireless electronic capsule internal lens |
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| CN1641969A true CN1641969A (en) | 2005-07-20 |
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| CNA2004100158204A Pending CN1641969A (en) | 2004-01-14 | 2004-01-14 | Repeated-use wireless electronic capsule internal lens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101516251B (en) * | 2006-09-28 | 2011-09-07 | 奥林巴斯医疗株式会社 | Position detection system of detection body |
| CN102188225A (en) * | 2010-03-16 | 2011-09-21 | Tyco医疗健康集团 | Wireless laparoscopic camera |
| CN102961110A (en) * | 2012-11-07 | 2013-03-13 | 深圳市资福技术有限公司 | Contactable charging capsule endoscope |
| CN103348560A (en) * | 2010-12-29 | 2013-10-09 | 普罗秋斯数字健康公司 | Wirelesss energy sources for integrated circuits |
-
2004
- 2004-01-14 CN CNA2004100158204A patent/CN1641969A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101516251B (en) * | 2006-09-28 | 2011-09-07 | 奥林巴斯医疗株式会社 | Position detection system of detection body |
| CN102188225A (en) * | 2010-03-16 | 2011-09-21 | Tyco医疗健康集团 | Wireless laparoscopic camera |
| CN103348560A (en) * | 2010-12-29 | 2013-10-09 | 普罗秋斯数字健康公司 | Wirelesss energy sources for integrated circuits |
| CN103348560B (en) * | 2010-12-29 | 2016-08-17 | 普罗秋斯数字健康公司 | Wireless energy source for integrated circuit |
| CN102961110A (en) * | 2012-11-07 | 2013-03-13 | 深圳市资福技术有限公司 | Contactable charging capsule endoscope |
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