CN103296744B - A kind of power supply for Medical Devices and method of supplying power to - Google Patents
A kind of power supply for Medical Devices and method of supplying power to Download PDFInfo
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- CN103296744B CN103296744B CN201210041023.8A CN201210041023A CN103296744B CN 103296744 B CN103296744 B CN 103296744B CN 201210041023 A CN201210041023 A CN 201210041023A CN 103296744 B CN103296744 B CN 103296744B
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Abstract
The invention discloses a kind of power supply for Medical Devices, output, at least two chargeable supply modules and the switching controls module of comprise the input of connection network power supply, powering to Medical Devices, the connection of at least two chargeable supply modules and described output and input described in described switching controls module controls, the chargeable supply module that described input is connected and the chargeable supply module be connected with described output are isolated.The invention also discloses a kind of method of supplying power to for Medical Devices.In the specific embodiment of the present invention, adopt one at least two chargeable supply modules to power, when performing power supply and network source isolate, thus reduce the interference of network source to Medical Devices.
Description
Technical field
The present invention relates to Medical Devices, particularly relate to a kind of method of supplying power to and power supply of Medical Devices.
Background technology
Current medical multi-physiological-parameter monitoring mainly comprises electrocardio, breathing, body temperature, non-invasive blood pressure, pulse blood oxygen, invasive blood pressure and breathing carbon dioxide etc., utilize the transducer with human contact's (containing directly or indirectly contacting), by stube cable physiology signal is coupled to the analog circuit in monitoring equipment, passing through amplification, filtering, digitlization and signal characteristic abstraction and calculating, obtain corresponding calculating parameter, and carry out the display of waveform and parameter value on an output device, for medical personnel to the identification of monitored people's state and differentiation.
Power supply at present for medical electronic apparatus generally has Three models: one, powered battery, is only applicable to the hand-held device that electricity consumption is less; Two, rechargeable battery, and connect extranets power supply; Three, extranets power supply is connect.Latter two pattern is applicable to portable and bench device, is conventional power configuration mode.
In the measurements, because human body signal is more weak, frequency band is mostly in 0-200Hz, and the Hz noise (50Hz) of power-supply system is very large, simultaneously also within signal band, cannot be eliminated by filtering mode.In addition because power-supply system and extranets power supply keep being connected always, though the middle existence having separaant system, but due to the operation of miscellaneous equipment, still can bring powerful interference, and affect the accurate work of measuring system, eliminate the Hz noise of power supply and be the subject matter guaranteeing that medical electric monitoring equipment normally runs at present by the be coupled interference of other equipment of power line.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, provides a kind of power supply that effectively can reduce network source interference.
Another technical problem that the present invention will solve is to provide a kind of method of supplying power to using this power supply.
The technical problem to be solved in the present invention is solved by the following technical programs:
A kind of power supply for Medical Devices, output, switching controls module and at least two chargeable supply modules of comprise the input of connection network power supply, powering to Medical Devices, the connection of chargeable supply module and described output and input described in described switching controls module controls, the chargeable supply module isolation that the chargeable supply module that described input is connected is connected with described output.
Described switching controls module comprises control unit, the first control switch and the second control switch, described input is connected with described at least two chargeable supply modules by described first control switch, described output is connected with described at least two chargeable supply modules by described second control switch, described control unit controls the operating state of described first control switch and described second control switch, makes: the chargeable electric supply installation of described first control switch gating is off in described second control switch; The chargeable electric supply installation of described second control switch gating is off in described first control switch.
Described control unit comprises microprocessor, analog to digital conversion circuit and adapter circuit, described in described adapter circuit connects, at least two chargeable supply modules are with detecting voltage signal, by analog-digital conversion circuit as described by described signal transmission to described microprocessor, described microprocessor is used for when voltage is reduced to predetermined threshold value, controls described first control switch and described second control switch execution switching action.
Described power supply comprises two chargeable supply modules, and described first control switch and described second control switch are isolated form control device.
Described chargeable supply module comprises charging circuit and holding capacitor, when described charging circuit is used for being connected with described input, performs charging action; Described holding capacitor is used for the power supply maintained when voltage drops to predetermined threshold value output.
A kind of method of supplying power to for Medical Devices, for the input comprising connection network power supply, the power supply of output, switching controls module and at least two chargeable supply modules of powering to Medical Devices, comprise the following steps: one in described at least two chargeable supply modules is connected with output, perform the power supply to Medical Devices, and isolate with input.
Also comprise: be not connected with described output in described chargeable supply module another, be connected with described input and perform charging.
The handoff procedure of at least two chargeable supply modules described in also comprising, described handoff procedure comprises: when control module detects the voltage drop of the chargeable supply module of powering to predetermined threshold value, and another of at least two chargeable supply modules described in control uses is powered.
It is described when control module detects the voltage drop of the chargeable supply module of powering to predetermined threshold value, another of at least two chargeable supply modules described in control uses is powered, comprise: the connection disconnecting another chargeable supply module described and network source, be connected with described output by another chargeable supply module described, during switching, the former holding capacitor performing the chargeable supply module of power supply maintains the output to output again.
After another of described at least two chargeable supply modules is connected with described output, also comprise: the chargeable supply module be not connected with described output of described at least two chargeable supply modules is connected with described input and performs action of charging.
Owing to have employed above technical scheme, the beneficial effect that the present invention is possessed is:
(1), in the specific embodiment of the present invention, adopt one at least two chargeable supply modules to power, when performing power supply and network source completely isolated, thus reduce the interference of network source to Medical Devices.
(2) in the specific embodiment of the present invention, in at least two chargeable supply modules do not perform power supply another be connected with network source, perform and charge and serve as back-up source, owing to isolating with power supply circuits during charging, thus the interference of network source can not be introduced Medical Devices.
(3) in the specific embodiment of the present invention, switching controls module can be carried out automatic switchover according to voltage threshold and be used chargeable supply module, and when switching, first disconnect network source and the connection of chargeable supply module that will switch, and then this chargeable supply module is connected with power consumption equipment, which ensure that in whole power supply process, the isolation of network source and power supply circuits.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of the present invention for an embodiment of the power supply of Medical Devices;
Fig. 2 is according to the structural representation of the present invention for the main equipment of another embodiment of the power supply of Medical Devices;
Fig. 3 is according to the structural representation of the present invention for another embodiment of the power supply of Medical Devices;
Fig. 4 is according to the circuit theory diagrams of the present invention for an embodiment of the power supply of Medical Devices;
Fig. 5 is according to the flow chart of the present invention for an embodiment of the method for supplying power to of Medical Devices.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Fig. 1 illustrates according to the structural representation of the present invention for an embodiment of the power supply of Medical Devices, output, at least two chargeable supply modules and the switching controls module of comprise the input of connection network power supply, powering to Medical Devices, the connection of switching controls module controls these at least two chargeable supply modules and output and input, the chargeable supply module that input is connected and the chargeable supply module be connected with output are isolated.
Switching controls module comprises control unit, the first control switch and the second control switch, and input is connected with chargeable supply module by the first control switch, and output is connected with chargeable supply module by the second control switch.Control unit controls the operating state of the first control switch and the second control switch, make: the chargeable electric supply installation of the first control switch gating is off in the second control switch, the chargeable electric supply installation of the second control switch gating is off in the first control switch.Control unit comprises microprocessor, analog to digital conversion circuit and adapter circuit further, adapter circuit connects chargeable supply module with detecting voltage signal, by analog to digital conversion circuit, voltage signal is delivered to microprocessor, microprocessor is used for when voltage is reduced to predetermined threshold value, controls the first control switch and the second control switch execution switching action.First control switch and the second control switch are isolated form control device, as relay, optical coupling isolator etc.A kind of execution mode, has two chargeable supply modules, and the first control switch and the second control switch adopt relay mode to be completed by contact.
Chargeable supply module comprises charging circuit and holding capacitor, and charging circuit is used for when being connected with input, performs charging action; Holding capacitor is used for the power supply maintained when voltage drops to predetermined threshold value output.Holding capacitor generally selects the electric capacity that capacity is larger.
According to another embodiment of the invention, medical treatment device comprises main equipment and power supply, and Fig. 2 illustrates the structural representation of main equipment.
(1) main equipment
Main equipment at least should comprise transducer, stube cable, measurement components, central authorities' process mother matrix and the external equipment such as display, printing, completely independent with the network source of outside.
(2) power supply
Fig. 3 illustrates the structural representation of the power unit of the present embodiment, comprises two rechargeable battery pack, two control switchs, control unit, the input of connection extranets power supply and the output of powering to main equipment.Two rechargeable battery pack, i.e. rechargeable battery pack one and rechargeable battery pack two, what perform power supply is called main power source, and what perform charging is stand-by power supply.Rechargeable battery pack comprises battery and charging device, and control unit realizes, to rechargeable battery pack one, two alternately charging, ensureing that stand-by power supply part is separated completely with electricity consumption main equipment by the control of intelligence simultaneously.
In the present embodiment, when rechargeable battery pack one is powered, rechargeable battery pack two is in Status of Backups (may charge), when control unit detects rechargeable battery pack one undertension, when namely battery energy storage exhausts soon, automatically switch to rechargeable battery pack two power supply, in the process, cut off the connection of extranets power supply and rechargeable battery pack two, thus solve the problem of city's electrical interference.At this moment, can implement to charge to disconnecting the rechargeable battery pack one of no longer powering with output.
In the present embodiment, two Battery packs carry out switching employing relay mode have been come by contact.
In the present embodiment, the power supply of two Battery packs and charging are carried out isolating and are realized by sequential, namely battery pack and using electricity system owing to performing power supply link together, and there is a bulky capacitor to keep, first cut off network source, then reserve battery is connected upper using electricity system, become supplying cell, guarantee supplying cell and reserve battery in the handover with network source forever without occuring simultaneously, thus guarantee the interference of civil power do not affect power supply and electricity consumption part.
Control unit comprises microprocessor, analog to digital conversion circuit and adapter circuit, Real-Time Monitoring can be carried out to two battery pack, when the voltage of battery pack is reduced to set threshold value, then automatically switch to another battery pack, realize the continuous power supply to main equipment, forward the battery pack of no longer powering after switching to charged state simultaneously, again construct stand-by power supply.Control unit can with realizations such as single-chip microcomputers.
Fig. 4 illustrates the schematic diagram of the present embodiment, according to this schematic diagram, assuming that battery pack 1 is in power supply, battery pack 2 is in charging, the power supply state of battery pack 1 is monitored, pass through R5, R6 and amplifier U2, and be connected to the port of the ADC0 of microprocessor, realize the Real-Time Monitoring to battery pack 1, once battery pack 2 charging reaches the electricity of expection, then send the state of having charged, and circulate a notice of microprocessor by optocoupler U7, instruction is being sent by microprocessor, by P3 port, optocoupler U6, metal-oxide-semiconductor Q3, control relay J3, the charging of battery pack 2 is stopped to connect, form battery backup 2, once find that its voltage has been not enough to support the electricity consumption of complete machine in the operating monitoring process of battery pack 1, then send instruction by microprocessor, by P1 port, metal-oxide-semiconductor Q1, Q2, control relay J1, J2, guarantee that battery backup 2 can be connected, become power supply, and carry out Real-Time Monitoring by the same method, battery pack 1 is charged simultaneously, mechanism is the same.
An embodiment of the method for supplying power to of Medical Devices is used for according to the present invention, its flow process comprises: one at least two chargeable supply modules is connected with the output of powering to Medical Devices, perform power supply to Medical Devices, and the input be connected with network source is isolated.
A kind of execution mode, this flow process also comprises: be not connected with output at least two chargeable supply modules another, be connected with input and perform charging.
A kind of execution mode, this flow process also comprises the handoff procedure of at least two chargeable supply modules, this handoff procedure comprises further: when control module detects the voltage drop of the chargeable supply module of powering to predetermined threshold value, another of control use at least two chargeable supply modules is powered, be implemented as: the connection disconnecting another chargeable supply module and network source, again another chargeable supply module is connected with output, during switching, the former holding capacitor performing the chargeable supply module of power supply maintains the output to output.
A kind of execution mode, after by another step be connected with output of at least two chargeable supply modules, also comprise: the chargeable supply module be not connected with output of at least two chargeable supply modules is connected with input and performs action of charging.
Fig. 5 illustrates the flow chart of another embodiment according to the inventive method, and the present embodiment uses power supply embodiment illustrated in fig. 3 to power, and its flow process comprises:
Step 502: system loads;
Step 504: rechargeable battery pack one is powered, rechargeable battery pack two is charged;
Step 506: whether detect supply power voltage lower than predetermined threshold value, if then go to step 508, otherwise go to step 504;
Step 508: rechargeable battery pack two is powered, rechargeable battery pack one is charged;
Step 510: whether detect supply power voltage lower than predetermined threshold value, if then go to step 504, otherwise go to step 508.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the power supply for Medical Devices, it is characterized in that, output, switching controls module and at least two chargeable supply modules of comprise the input of connection network power supply, powering to Medical Devices, the connection of chargeable supply module and described output and input described in described switching controls module controls, the chargeable supply module isolation that the chargeable supply module that described input is connected is connected with described output.
2. as claimed in claim 1 for the power supply of Medical Devices, it is characterized in that, described switching controls module comprises control unit, the first control switch and the second control switch, described input is connected with described at least two chargeable supply modules by described first control switch, described output is connected with described at least two chargeable supply modules by described second control switch, described control unit controls the operating state of described first control switch and described second control switch, makes:
The chargeable supply module of described first control switch gating is off in described second control switch;
The chargeable supply module of described second control switch gating is off in described first control switch.
3. as claimed in claim 2 for the power supply of Medical Devices, it is characterized in that, described control unit comprises microprocessor, analog to digital conversion circuit and adapter circuit, described in described adapter circuit connects, at least two chargeable supply modules are with detecting voltage signal, by analog-digital conversion circuit as described by described signal transmission to described microprocessor, described microprocessor is used for when voltage is reduced to predetermined threshold value, controls described first control switch and described second control switch execution switching action.
4., as claimed in claim 2 or claim 3 for the power supply of Medical Devices, it is characterized in that, described power supply comprises two chargeable supply modules, and described first control switch and described second control switch are isolated form control device.
5. as claimed any one in claims 1 to 3 for the power supply of Medical Devices, it is characterized in that, described chargeable supply module comprises charging circuit and holding capacitor, when described charging circuit is used for being connected with described input, performs charging action; Described holding capacitor is used for the power supply maintained when voltage drops to predetermined threshold value output.
6. for a method of supplying power to for Medical Devices, it is characterized in that, for the input comprising connection network power supply, the power supply of output, switching controls module and at least two chargeable supply modules of powering to Medical Devices, comprise the following steps:
One in described at least two chargeable supply modules is connected with output, performs the power supply to Medical Devices, and isolate with input.
7., as claimed in claim 6 for the method for supplying power to of Medical Devices, it is characterized in that, also comprise:
Be not connected with described output in described chargeable supply module another, be connected with described input and perform charging.
8., as claimed in claim 6 for the method for supplying power to of Medical Devices, it is characterized in that, the handoff procedure of at least two chargeable supply modules described in also comprising, described handoff procedure comprises:
When control module detects the voltage drop of the chargeable supply module of powering to predetermined threshold value, another of at least two chargeable supply modules described in control uses is powered.
9. as claimed in claim 8 for the method for supplying power to of Medical Devices, it is characterized in that, described when control module detects the voltage drop of the chargeable supply module of powering to predetermined threshold value, another of at least two chargeable supply modules described in control uses is powered, and comprising:
Disconnect the connection of another chargeable supply module described and network source, then be connected with described output by another chargeable supply module described, during switching, the former holding capacitor performing the chargeable supply module of power supply maintains the output to output.
10. as claimed in claim 9 for the method for supplying power to of Medical Devices, it is characterized in that, after another of described at least two chargeable supply modules is connected with described output, also comprise:
The chargeable supply module be not connected with described output of described at least two chargeable supply modules is connected with described input and performs action of charging.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210041023.8A CN103296744B (en) | 2012-02-22 | 2012-02-22 | A kind of power supply for Medical Devices and method of supplying power to |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210041023.8A CN103296744B (en) | 2012-02-22 | 2012-02-22 | A kind of power supply for Medical Devices and method of supplying power to |
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| CN103296744A CN103296744A (en) | 2013-09-11 |
| CN103296744B true CN103296744B (en) | 2015-08-19 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104617657B (en) * | 2015-01-23 | 2017-07-21 | 深圳市科曼医疗设备有限公司 | The power-supply management system and defibrillation instrument apparatus of defibrillator |
| CN105656304B (en) * | 2016-02-18 | 2018-10-12 | 江西洪都航空工业集团有限责任公司 | A method of it is isolated using sequential and inhibits PWM power cord conducted emissions |
| CN107732991A (en) * | 2016-08-11 | 2018-02-23 | 中兴通讯股份有限公司 | Terminal charge control method, device and terminal |
| CN106787154A (en) * | 2017-02-24 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of stand-by power source device |
| CN108539850A (en) * | 2018-05-19 | 2018-09-14 | 安徽邵氏华艾生物医疗电子科技有限公司 | Automatically switch to improve CSM modules anti-disturbance method and system based on battery |
| CN111384743B (en) * | 2018-12-29 | 2022-12-23 | 深圳迈瑞生物医疗电子股份有限公司 | Medical device |
| CN113517754A (en) * | 2021-06-04 | 2021-10-19 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Automatic charging power supply device and method for isolating power frequency |
| CN116526652A (en) * | 2023-04-20 | 2023-08-01 | 上海玮启医疗器械有限公司 | Multi-power supply control method and system for medical equipment and electronic equipment |
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| CN101136558A (en) * | 2006-09-02 | 2008-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and switch circuit, switch method of main power source and backup battery |
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Effective date of registration: 20170307 Address after: 518000 Guangdong province Shenzhen Guangming high tech Park West Road No. seven Senyang Science Park workshop building B2-13 Patentee after: SHENZHEN WEITUOLI MEDICAL ELECTRONICS CO., LTD. Address before: The general building 518000 Guangdong city of Shenzhen province Nanshan District South Campus of Shenzhen University School of medicine in Room 501 Patentee before: Ye Jilun |
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