CN108539850A - Automatically switch to improve CSM modules anti-disturbance method and system based on battery - Google Patents
Automatically switch to improve CSM modules anti-disturbance method and system based on battery Download PDFInfo
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- CN108539850A CN108539850A CN201810484096.1A CN201810484096A CN108539850A CN 108539850 A CN108539850 A CN 108539850A CN 201810484096 A CN201810484096 A CN 201810484096A CN 108539850 A CN108539850 A CN 108539850A
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- battery
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- csm
- master control
- control system
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
The invention discloses one kind to automatically switch to improve CSM modules anti-disturbance method and system based on battery, belong to anesthesia monitoring technical field, the power supply mode of CSM modules selects two kinds of powering modes of alternating current and battery, when opening work, using AC power supply pattern, show that there is interference in the external world when signal quality occur persistently and reducing or CSM modules generate false signal alarm, powering mode is switched to battery powered mode.The present invention by be arranged power switching pattern, increase optocoupler communication, can be effectively prevented because network source Conduction Interference and caused by influence, to improve the anti-interference ability of CSM modules.
Description
Technical field
The invention belongs to anesthesia monitoring technical fields, are related to the anti-interference direction of signal, and in particular to one kind being based on battery certainly
Dynamic switching improves CSM modules anti-disturbance method and system.
Background technology
Depth of anesthesia monitoring reduces operation risk and patient's pain is of great significance for instructing Anesthesia medicine.Tradition
Monitoring method is based primarily upon the physiological parameters such as autonomic response and changes in heart rate, the spontaneous epidermis myoelectricity of patient, by anesthetist's
Experience is estimated, lacks clear quantizating index.In recent years, scalp EEG signals (Electroencephalogram, EEG) are based on
The measurement of anesthetic depth obtained extensive attention, and there are more money EEG depth of anesthesia dok guardian products to occur as being based on CSM
(full name in English：Cerebral State Monitor, brain state of consciousness monitoring) module anaesthesia depth monitor.Depth of anesthesia
The occasion that patient monitor uses is the electrical equipment of various high current to be had in operating room, in this way in space in operating room
On will produce the interference of various electromagnetic radiation, can also be conducted many interference signals in interfaced network source.EEG brain telecommunications
Number very faint, typically uv ranks, useful signal is also the signal within 70hz, by network source conduct into
The signal come is all using 50 or 60hz as the signal of fundamental frequency, is all thus to cause letter in its effective range of signal
It makes an uproar than very low, to can not work normally.
Invention content
According to the above-mentioned deficiencies of the prior art, a kind of automatic based on battery the technical problem to be solved by the present invention is to propose
Switching improves CSM modules anti-disturbance method and system, and by the way that power switching pattern is arranged, increase optocoupler communication can be effective
Prevent because network source Conduction Interference and caused by influence, to improve the anti-interference ability of CSM modules.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：One kind automatically switches to improve based on battery
The power supply mode of CSM module anti-disturbance methods, CSM modules selects two kinds of powering modes of alternating current and battery, when opening work,
Using AC power supply pattern, show when signal quality occur persistently and reducing or CSM modules generate false signal alarm
There is interference in the external world, and powering mode is switched to battery powered mode.
In the above method, the communication of CSM modules and master control system is transmitted using optical signal into row information.Powering mode is cut
It changes and is completed by DC-DC isolation module.The switching of powering mode the specific steps are：
Step 1: master control system reads the data that CSM modules are sent, data are parsed, the state of false signal is obtained
Value and signal quality index；Judge whether to be battery powered mode；Step 2 is then carried out if it is battery powered mode, if not
It is that battery powered mode then carries out step 5；
Step 2: under battery powered mode, judges whether master control system is operational mode, then continue if it is operational mode
Judge whether sensor falls off, step 4 is then carried out if not operational mode；
Step 3: if detecting that sensor falls off, step 4 is carried out；If sensor is not detected to fall off, indicate
Sensor is working normally, then continues to judge whether the operation duration duration under battery mode reaches 30 minutes, if held
It is 30 minutes continuous, then carry out step 4；If duration was less than 30 minutes, return to step one；
Step 4: being switched to AC power supply pattern, the operation of step 1 is repeated；
Step 5: if judging to show that the powering mode of master control system is not battery powered mode, master control in step 1
System finds out the mode bit of CSM modules, and judges whether mode bit is false signal alarm；
Step 6: carrying out step 8 if when mode bit is false signal alarm；It alerts, then reads if not false signal
Signal quality index；And compared with last time signal quality index, judge whether performance figure is drop mode, if it find that
It is drop mode, then carries out step 7；Step 8 is then carried out if not drop mode；
Step 7: in the case that signal quality index is in drop mode, judge whether fall time persistently has 3 minutes,
If it is declining always, then it is judged as being disturbed, is switched to step 8；If not continuing 3 minutes, return to step one, weight
It is re-reading to take datamation；
Step 8: being switched to battery powered mode, it is then back to step 1, repeats to read datamation.
One kind automatically switches to improve the jamproof system of CSM modules based on battery, and connection master control system is equipped in system
CSM modules, the power supply system of the external alternating current of master control system, system further include DC-DC isolation module, battery and light-coupled isolation mould
Block, light-coupled isolation module are connected between master control system and CSM modules, the power supply system of alternating current and battery by DC-DC every
CSM module for power supply is given from module.The alternating current exports DC+, DC- to master control system by switch power module, gives master control system
System power supply, is equipped with relay in system, and DC+, DC- are connected to the normally-closed contact of relay, output signal B+, B- of battery be connected to after
The common end of electric appliance, while being also coupled to the input terminal of DC-DC isolation module.
Present invention has the advantages that:1. when encountering interference, it is switched under battery mode, makes CSM modules with the external world
Thoroughly isolation, improves the anti-interference ability of module；2. anaesthesia depth monitor is during operating room use, to attaching plug
Position does not have strict requirements, and user is facilitated preferably to use.
Description of the drawings
The content expressed by this specification attached drawing and the label in figure are briefly described below：
Fig. 1 is the system work block diagram of the specific implementation mode of the present invention.
Fig. 2 is the Method And Principle schematic diagram of the specific implementation mode of the present invention.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, each component that the specific implementation mode of the present invention is for example involved
Shape, construction, the mutual alignment and connection relation between each section, the effect of each section and operation principle, manufacturing process and
Operate with method etc., is described in further detail, to help those skilled in the art to inventive concept of the invention, technology
Scheme has more complete, accurate and deep understanding.
Anaesthesia depth monitor mainly application has the strongly disturbing operation of a large amount of big power consumption in situations in the surgery room, in operating room
Equipment.CSM modules in anaesthesia depth monitor are to judge to assess depth of anesthesia situation by sampling the EEG signals of human body
, human body electroencephalogram's signal of sampling is very faint, and frequency range is the signal within 0~70hz.Main point of normal interference
For the Conduction Interference of the radiation interference in space, power supply and signal wire.The radiation interference in space mainly by electromagnetic wave come
, frequency is usually the signal in KHZ or more, can generally be inhibited shielding and effectively by way of filter；
Another kind is come in by the Conduction Interference of cable, especially the Conduction Interference of power cord, can cause not doing for power-supply system
Cause all circuits unclean, and its frequency range is using 50 or 60HZ as the effective range of fundamental wave and signal only
Interior, the signal-to-noise ratio so as to cause CSM modules is too low to work.
So the present invention provide it is a kind of automatically switching to improve the jamproof system of CSM modules based on battery, in original system only
There are the CSM modules of connection master control system, the power supply system of the external alternating current of master control system to add DC-DC isolation modes in of the invention
Block, battery and light-coupled isolation module, as shown in Figure 1.The power supply system of master control system is come in by alternating current input, passes through one
A switch power module exports DC+, DC- to master control system, powers to master control system；DC+, DC- are connected to the normally closed of relay and touch
Point, B+, B- of battery are connected to the common end of relay, while being also coupled to the input terminal of DC-DC isolation module.Under normal circumstances
The power end of DC-DC isolation module is linked together by the normally-closed contact of relay with the ends B of battery, DC-DC isolation module
Power end be to be powered by alternating current, while charging to battery；The normal-closed end of relay is disconnected when a switchover occurs
It opens, the ends battery B+- and the ends DC+- is disconnected, the power input of DC-DC isolation module is switched to battery, switches to full battery confession
Electricity.In addition the communication interface of master control system is isolated by light-coupled isolation module, and CSM modules is made to be fully operational in electricity in this way
Under pool mode, to prevent interference of the extraneous power supply to it, interference free performance is improved.
The power supply of DC-DC isolation module there are two types of input pattern, one is alternating current by a switch power module it
Input afterwards, one is directly inputted by lithium battery.Under normal circumstances, DC-DC isolation module is supplied electricity to by exchange to be supplied
Electricity, while battery is also the state being electrically charged, when signal quality occur persistently and reduce or CSM modules generate false signal alarm
When illustrate that there is interference in the external world, powering mode is switched to battery powered mode.When the half an hour that works in a battery supply mode
AC power supply pattern is switched back to, whether monitoring CSM modules are normal, are still under interference, switchback battery powered mode.Work as module
Sensor be in and fall off state, then switch to AC power supply state, charge the battery.
Hardware DC-DC isolation and control system are as shown in Figure 1, judge whether CSM modules are abnormal while it being made to restore normal
Flow chart it is as shown in Figure 2.In work after system electrification, the control course of work of battery switching is as follows：
Step 1：Master control system reads the data that CSM modules are sent, and is parsed to data, obtains relevant index：It is pseudo-
The state value and signal quality index of signal；Judge whether to be battery powered mode；It is then walked if it is battery powered mode
Rapid two, then carry out step 5 if not battery powered mode.
If under battery mode, the mode of system operation be it is different, will be according to two under battery mode
The step of to four, is run；It will be carried out according to the step of five to eight if it is AC power supply pattern, be two kinds of differences
The method of operation.
Step 2: under battery powered mode, judges whether master control system is operational mode, then continue if it is operational mode
Judge whether sensor falls off, step 4 is then carried out if not operational mode.
Step 3: if detecting that sensor falls off, step 4 is carried out；If sensor is not detected to fall off, indicate
Sensor is working normally, then continues to judge whether the operation duration duration under battery mode reaches 30 minutes, if held
It is 30 minutes continuous, then carry out step 4；If duration was less than 30 minutes, return to step one.
In a battery supply mode, any one situation will return to step 1 in three kinds of situations below：Timing is carried out,
If having continued to exceed 30 minutes, it is switched to AC power supply pattern, whether detection interference disappears.If using battery always
Power supply, it is possible that the situation of battery deficit is cut so the present invention selects 30 minutes durations to be switched under Alternating Current Power Supply pattern
Continue whether detection interference disappears in the case where alternating current works after changing, charges the battery avoid the feelings of battery deficit in addition
Condition.
Whether in master control system have stopping capture button pressing, if there is being then switched to friendship if monitoring in a battery supply mode
Galvanic electricity pattern, charges the battery, and stops acquisition key pressing, shows that data collection task suspends, can replace AC power supply
Under pattern, charge the battery；In a battery supply mode if it find that sensor is in the state that falls off, it is to supervise to illustrate machine not
Under shield pattern, it is not necessary that the electricity in power consumption pond is cut under mould to AC power supply pattern, while can be charged the battery.
Step 4: being switched to AC power supply pattern, the operation of step 1 is repeated.By parsing the data of CSM modules, sentence
The state of disconnected module, repeats monitoring work.
Step 5: if judging to show that the powering mode of master control system is not battery powered mode, master control in step 1
System finds out the mode bit of CSM modules, and judges whether mode bit is false signal alarm.False signal is non-true signal value,
It is that CSM modules parse the value of coming.
Step 6: carrying out step 8 if when mode bit is false signal alarm；It alerts, then reads if not false signal
Signal quality index；And compared that (signal quality index is parsed by the data of CSM modules with last time signal quality index
Come), judge whether performance figure is drop mode, if it find that being drop mode, then carries out step 7；If not decline
Pattern then carries out step 8.
Step 7: in the case that signal quality index is in drop mode, judge whether fall time persistently has 3 minutes,
If it is declining always, then it is judged as being disturbed, is switched to step 8；If not continuing 3 minutes, return to step one, weight
It is re-reading to take datamation.
Step 8: being switched to battery powered mode, it is then back to step 1, repeats to read datamation.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.This hair
Bright protection domain should be determined by the scope of protection defined in the claims.
Claims (6)
1. one kind automatically switches to improve CSM module anti-disturbance methods based on battery, which is characterized in that the supplier of electricity of CSM modules
Formula selects two kinds of powering modes of alternating current and battery, when opening work, using AC power supply pattern, is held when there is signal quality
Continuous reduction or CSM modules show that there is interference in the external world when generating false signal alarm, and powering mode is switched to battery powered
Pattern.
2. according to claim 1 automatically switch to improve CSM module anti-disturbance methods based on battery, which is characterized in that
The communication of CSM modules and master control system is transmitted using optical signal into row information.
3. according to claim 1 automatically switch to improve CSM module anti-disturbance methods based on battery, which is characterized in that
The switching of powering mode is completed by DC-DC isolation module.
4. according to claim 1 automatically switch to improve CSM module anti-disturbance methods based on battery, which is characterized in that
The switching of powering mode the specific steps are：
Step 1: master control system read CSM modules send data, data are parsed, obtain false signal state value and
Signal quality index；Judge whether to be battery powered mode；Step 2 is then carried out if it is battery powered mode, if not electricity
Pond powering mode then carries out step 5；
Step 2: under battery powered mode, judges whether master control system is operational mode, then continue to judge if it is operational mode
Whether sensor falls off, and step 4 is then carried out if not operational mode；
Step 3: if detecting that sensor falls off, step 4 is carried out；If sensor is not detected to fall off, sensing is indicated
Device is working normally, then continues to judge whether the operation duration duration under battery mode reaches 30 minutes, if having continued 30
Minute, then carry out step 4；If duration was less than 30 minutes, return to step one；
Step 4: being switched to AC power supply pattern, the operation of step 1 is repeated；
Step 5: if judging to show that the powering mode of master control system is not battery powered mode, master control system in step 1
The mode bit of CSM modules is found out, and judges whether mode bit is false signal alarm；
Step 6: carrying out step 8 if when mode bit is false signal alarm；It is alerted if not false signal, then reads signal
Performance figure；And compared with last time signal quality index, judge whether performance figure is drop mode, if it find that under being
Drop pattern then carries out step 7；Step 8 is then carried out if not drop mode；
Step 7: in the case that signal quality index is in drop mode, judge whether fall time persistently has 3 minutes, if
It is to decline always, then is judged as being disturbed, is switched to step 8；If not continuing 3 minutes, return to step one repeats to read
Take datamation；
Step 8: being switched to battery powered mode, it is then back to step 1, repeats to read datamation.
5. one kind automatically switches to improve the jamproof system of CSM modules based on battery, the CSM of connection master control system is equipped in system
Module, the power supply system of the external alternating current of master control system, which is characterized in that system further includes DC-DC isolation module, battery and light
Coupling isolation module, light-coupled isolation module are connected between master control system and CSM modules, and the power supply system and battery of alternating current pass through
DC-DC isolation module gives CSM module for power supply.
6. according to claim 5 automatically switch to improve the jamproof system of CSM modules based on battery, which is characterized in that
The alternating current exports DC+, DC- to master control system by switch power module, powers to master control system, relay is equipped in system
Device, DC+, DC- are connected to the normally-closed contact of relay, and output signal B+, B- of battery is connected to the common end of relay, while also connecing
To the input terminal of DC-DC isolation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484096.1A CN108539850A (en) | 2018-05-19 | 2018-05-19 | Automatically switch to improve CSM modules anti-disturbance method and system based on battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484096.1A CN108539850A (en) | 2018-05-19 | 2018-05-19 | Automatically switch to improve CSM modules anti-disturbance method and system based on battery |
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| CN108539850A true CN108539850A (en) | 2018-09-14 |
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| CN201810484096.1A Pending CN108539850A (en) | 2018-05-19 | 2018-05-19 | Automatically switch to improve CSM modules anti-disturbance method and system based on battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109820502A (en) * | 2019-03-20 | 2019-05-31 | 安徽邵氏华艾生物医疗电子科技有限公司 | A kind of CSM module and SPHB module abnormality detection system and method |
| CN113827205A (en) * | 2021-11-02 | 2021-12-24 | 北京康惠达科技有限公司 | Data acquisition tool for monitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109820502A (en) * | 2019-03-20 | 2019-05-31 | 安徽邵氏华艾生物医疗电子科技有限公司 | A kind of CSM module and SPHB module abnormality detection system and method |
| CN109820502B (en) * | 2019-03-20 | 2022-03-18 | 安徽邵氏华艾生物医疗电子科技有限公司 | CSM module and SPHB module abnormality detection system and method |
| CN113827205A (en) * | 2021-11-02 | 2021-12-24 | 北京康惠达科技有限公司 | Data acquisition tool for monitor |
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Application publication date: 20180914 |