CN104617657B - The power-supply management system and defibrillation instrument apparatus of defibrillator - Google Patents
The power-supply management system and defibrillation instrument apparatus of defibrillator Download PDFInfo
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Abstract
The present invention discloses a kind of power-supply management system of defibrillator, power supply selecting module is according to AC power supplies module, the first battery module and the respective power supply of the second battery module situation in place and the undervoltage condition of battery, controlled by signal and hardware (such as comparing unit and battery undervoltage comparing unit in place) directly selects optimal power supply module and realizes seamless switching between power supply module, to improve the reliability and stability of power supply module.Due to can directly be controlled by signal control and hardware, it is possible to unstable, the possibility for failing to reduce defibrillation to charge and risk being caused to patient's treatment for avoiding software program from bringing.A kind of defibrillation instrument apparatus is also disclosed.
Description
Technical field
The present invention relates to field of power management, the power-supply management system and defibrillation instrument apparatus of more particularly to a kind of defibrillator.
Background technology
Sudden cardiac death (SCD) refers to that what is occurred after acute symptom breaking-out in 1 hour loses what is be characterized suddenly to realize
The natural death as caused by cardiac reasons, is the major causes of death of angiocardiopathy.In past decades, as population is old
Ageization make it that the generation of sudden cardiac death is on the rise.Wherein, 80% sudden cardiac death is attributed to the mistake of the malignant ventricular rhythm of the heart
Often, such as ventricular fibrillation (VF), abbreviation room is quivered.Because room the malignant ventricular arrhythmia breaking-out such as quivers often without omen, ventricle during breaking-out
Electrical activity lose synchronism, cardiac pumping function is lost, and such as takes measures to turn to cause within a multiple rhythm of the heart, several minutes not in time
Sudden death.And the quiver morbidity place of patient of the room more than 90% is outside hospital, can not often to be given treatment in time among these.So
Room is terminated within the time as short as possible to quiver, recover normal cardiac rhythm, recover hemodynamic stability, is to avoid and effectively prevent
The top priority that only sudden cardiac death occurs.At present, clinically it is unique it is a kind of can method that effectively room of termination is quivered be electric defibrillation
(ED), abbreviation defibrillation.High pressure strong electrical shock is carried out to heart, makes cardiac muscle cell's repolarization, returns to respective affective state, weight
It is new to start normal bounce.
Defibrillator is portable set, for ease of implementing the first aid of scene outside institute.In defibrillator, power supply is except handing over
Outside stream/direct current (AC/DC) adapter, generally also backup power supply is used as using one to two pieces of high capacity cells.In hospital
Interior, defibrillator is generally powered using AC power supplies；And when the first aid of the scene of the accident, generally powered using battery.Thus generally
Need between AC power supplies and battery, switch between battery and battery.When carrying out defibrillation charging operations, charging current is very big, it is necessary to
Ensure the stability of power-supply system, this requires switching to have to rapidly, otherwise be likely to result in system power supply interruption, cause to remove
Charging of quivering fails.
There is problems with traditional defibrillator power-supply management system：
1st, power supply selection by software program realization, but software program sampling battery voltage, judge battery current state,
There is certain time-delay in the links such as control switching, and the discharge current of battery is very big during defibrillation procedure, software control switching
During be likely to cause voltage sag or short time voltage to interrupt, so as to cause defibrillation charging failure, patient's treatment is caused
Greater risk.
If the 2, the controlling switch of power supply breaks down and breakdown conditions is presented, i.e., all the way at the controlling switch failure of power supply
In permanent conduction, if now opening another road power supply, occur that high voltage is loaded directly into the situation of the both positive and negative polarity of battery,
Battery life is caused to reduce or damage.
If the 3, microcontroller breaks down (such as software program, which is run, to be flown or reset), likely result in system voltage
It is disconnected, so as to cause defibrillation charging failure.
So, this requires the power supply that a kind of rational power-supply management system of offer is constituted to AC power supplies with battery to manage
Reason, selects suitable power supply and realizes the seamless switching between power supply to improve the reliability and stability of power supply, and ensure battery
The abundance of electricity ensures that the normal of defibrillator is used.
The content of the invention
In consideration of it, being necessary to provide a kind of power management system of the defibrillator for the reliability and stability that can improve power supply
System.In addition, also providing a kind of defibrillation instrument apparatus.
A kind of power-supply management system of defibrillator, including power supply selecting module, switch module, AC power supplies module, the first electricity
Pond module and the second battery module；
The AC power supplies module, the first battery module, the second battery module are independently used to power for defibrillator；It is described
Switch module includes multiple switch, and being connected to the AC power supplies module, the first battery module, the second battery module, these three are powered
Between module and functional module；
The power supply selecting module is included in bit comparison unit and battery undervoltage comparing unit；Comparing unit in place is according to institute
State the adapter situation in place of AC power supplies module, the battery situation in place of first battery module and second battery module
Battery situation in place send signal in place；Battery undervoltage comparing unit is according to the battery undervoltage situation of first battery module
Under-voltage signal is sent with the battery undervoltage situation of second battery module；The power supply selecting module is according to the signal in place
Turning on and off for multiple switch described in the switch module is controlled with under-voltage signal so that：
When the adapter of the AC power supplies module is in place, only powered by the AC power supplies module for functional module；Work as institute
State AC power supplies module adapter it is not in place when, by one of first battery module and the second battery module be functional module supply
Electricity.
In one of the embodiments, when the adapter of the AC power supplies module is not in place, by the first battery mould
Battery power supply module in place is powered for functional module among block and the second battery module；
If the battery of first battery module and the second battery module is in place, by first battery module and second
Battery does not have under-voltage power supply module to be powered for functional module among battery module.
In one of the embodiments, in addition to processor module, the processor module is according to the first battery mould
The battery electric quantity situation of block and the battery electric quantity situation of second battery module send battery selection signal and selected to the power supply
Module is selected, the power supply selecting module controls multiple switch described in the switch module always according to the battery selection signal
Turn on and off so that：
If the battery of first battery module and the second battery module is under-voltage, by first battery module and
Battery is not below the power supply module of default low battery threshold value and powered for functional module among second battery module；
If the battery of first battery module and the second battery module is below default low battery threshold value, by described first
The high power supply module of battery electric quantity is powered for functional module among battery module and the second battery module.
In one of the embodiments, in addition to alarm module, if first battery module or the second battery module
Battery undervoltage, the processor module controls the alarm module to send alarm signal.
In one of the embodiments, in addition to charging module, the processor module controls the charging module, described
AC power supplies module is first battery module and the second charging battery module by the charging module.
In one of the embodiments, it is described if the battery of first battery module and the second battery module is in place
Charging module meets the charge requirement of first battery module first；If first battery module and the second battery module are only
There is one of them in place, the charging module charges to power supply module in place.
In one of the embodiments, the switch module includes AC switch elements, the first cell switch unit and second
Cell switch unit, the AC switch elements are connected between the AC power supplies module and functional module, and first battery is opened
Close unit to be connected between first battery module and functional module, the second cell switch unit is connected to described second
Between battery module and functional module；The AC switch elements, the first cell switch unit and the second cell switch unit difference
Include the switch of at least two series connection.
In one of the embodiments, the switch of at least two series connection is semiconductor switch device.
In one of the embodiments, the semiconductor switch device includes metal-oxide-semiconductor, and triode and insulated gate bipolar are brilliant
One kind in body pipe.
A kind of defibrillation instrument apparatus, includes the power-supply management system of above-mentioned defibrillator.
The power-supply management system and defibrillation instrument apparatus of above-mentioned defibrillator, power supply selecting module is according to AC power supplies module, first
Battery module and the respective power supply of the second battery module situation in place and the undervoltage condition of battery, pass through signal control and hardware
(such as comparing unit and battery undervoltage comparing unit in place) directly selects optimal power supply module and realized between power supply module
Seamless switching, to improve the reliability and stability of power supply module.Due to can directly be controlled by signal control and hardware, institute
With unstable, the possibility for failing to reduce defibrillation to charge and risk being caused to patient's treatment that software program can be avoided to bring
Property.
Brief description of the drawings
Fig. 1 is the power-supply management system module map of defibrillator；
Fig. 2 is the module diagram of the first cell switch unit and the second cell switch unit in Fig. 1 systems.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that the limitation present invention.Term as used herein "and/or" includes one or more correlations
Listed Items arbitrary and all combination.
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail.
Fig. 1 is the power-supply management system module map of defibrillator.
A kind of power-supply management system of defibrillator, including power supply selecting module 100, switch module 200, AC power supplies module
300th, the first battery module 400, the second battery module 500, charging module 600, alarm module 700 and processor module 800.
Traditionally, lithium battery and management control system are combined, are packaged together, constitute intelligent battery, itself has
The functions such as measurement, calculating, protection, communication.Intelligent battery is main to be made up of safeguard protection, measurement and calculating communication unit.It is this
Centered on the dual-wire bus that structure is developed by Intel and other companies, data protocol SBData specifications make its power-supply management system
Being consistent property of battery data used, such as fixed value, measured value, calculated value and predicted value and charging and warning message.This
A little data intelligence batteries can be sent out so that the external world can obtain battery status information in real time.It is electric used in defibrillator
Pond, is exactly this intelligent battery.And the first battery module 400 and the second battery in the power-supply management system of above-mentioned defibrillator
Module 500, it represents a circuit module that can be connected and obtain battery power, and necessarily represents that it necessarily includes battery,
For example it can be battery interface.Similarly, AC power supplies module 300 represents a circuit that can be connected and obtain AC power supplies electric energy
Module, for example it can be power interface or AC power adapter.
Switch module 200 includes AC switch elements 210, the first cell switch unit 220 and the second cell switch unit
230, AC switch elements 210 are connected between AC power supplies module 300 and functional module 900, and the first cell switch unit 220 is connected
Between the first battery module 400 and functional module 900, the second cell switch unit 230 be connected to the second battery module 500 with
Between functional module 900.AC switch elements 210, the first cell switch unit 220 and the second cell switch unit 230 are wrapped respectively
Include the switch of at least two series connection.In the present embodiment, AC switch elements 210 include the switch S11 and S12 of series connection, the first electricity
Pond switch element 220 include series connection switch S21 and S22, the second cell switch unit 230 include series connection switch S31 and
S32, namely AC power supplies module 300, the first battery module 400, the second battery module 500 constitute 3 road power supply circuits altogether.These strings
The switch of connection is semiconductor switch device, such as and one in metal-oxide-semiconductor, triode and insulated gate bipolar transistor (IGBT)
Kind.Functional module 900 can be defibrillating function module or including defibrillating function module, pacing function module, monitoring work(
Can module and printer functional modules.Fig. 2 is the module of the first cell switch unit and the second cell switch unit in Fig. 1 systems
Schematic diagram.
AC power supplies module 300, the first battery module 400, the second battery module 500 are independently used to be functional module
900 power supplies.Switch module 200 includes multiple switch, is connected to AC power supplies module 300, the first battery module 400, the second battery
Between these three power supply modules of module 500 and functional module 900.Power supply selecting module 100 controls AC by this switch module 200
Power module 300, the first battery module 400, the second battery module 500 are switched over.Every road circuit of 3 road power supply circuits is by double
Switch control, realizes single failure design requirement.The system of traditional single switch, once there is switch to occur puncturing and directly leading
It is logical, then it is possible that high voltage (such as the voltage of AC power supplies) is loaded directly into the both positive and negative polarity of battery, so as to damage battery.
And the system uses biswitch, the probability for above-mentioned phenomenon occur can be effectively reduced.
Power supply selecting module 100 is included in bit comparison unit and battery undervoltage comparing unit.Power supply selecting module 100 can be with
It is power management chip, the double loop power supply handover management device MAX1538 of such as MAXIM companies.Comparing unit in place is used for examining
Whether survey is connected to AC power supplies or battery, and battery undervoltage comparing unit is used for detecting whether connected battery is in under-voltage shape
State, comparing unit and battery undervoltage comparing unit in place for example can be the analog comparator for possessing above-mentioned functions in MAX1538.
Comparing unit in place exists according to the adapter situation in place of AC power supplies module 300, the battery of the first battery module 400
The battery situation in place of position situation and the second battery module 500 sends signal in place.Battery undervoltage comparing unit is according to the first electricity
The battery undervoltage situation of pond module 400 and the battery undervoltage situation of the second battery module 500 send under-voltage signal.
Power supply selecting module 100 is according to the connection of multiple switch in signal in place and under-voltage Signal-controlled switch module 100
Or shut-off so that：
It is that functional module 900 is powered only by AC power supplies module 300 when the adapter of AC power supplies module 300 is in place.Work as AC
It is functional module by one of the first battery module 400 and the second battery module 500 when the adapter of power module 300 is not in place
900 power supplies.
Functional module 900 is generally powered using AC power supplies module 300, is being inconvenient to use what AC power supplies module 300 was powered
When (such as when scene of the accident first aid), just powered using the first battery module 400 or the second battery module 500.So,
To ensure that electricity is sufficient, AC power supplies module 300 and battery (the first battery module 400 or the second battery module 500) can power
When, preferentially it should be powered from AC power supplies module 300.
When the adapter of AC power supplies module 300 is not in place, by the first battery module 400 and the second battery module 500 it
Middle battery power supply module in place is that functional module 900 is powered.
If the battery of the first battery module 400 and the second battery module 500 is in place, by the first battery module 400 and
Battery does not have under-voltage power supply module to be powered for functional module 900 among two battery modules 500.
The switch module 200 of the system is directly controlled by power supply selecting module 100, is not in the electricity of traditional defibrillator
The phenomenon for causing supply voltage to interrupt when flying is run in software program appearance in management system, is controlled by signal with hardware (for example
In place comparing unit and battery undervoltage comparing unit) directly select optimal power supply module and realize between power supply module without seaming and cutting
Change, to improve the reliability and stability of power supply module.Due to can directly be controlled by signal control and hardware, it is possible to
Avoid unstable, the possibility for failing to reduce defibrillation to charge and risk being caused to patient's treatment that software program is brought.
Processor module 800 is according to the battery electric quantity situation of the first battery module 400 and the battery of the second battery module 500
Charge condition sends battery selection signal to power supply selecting module 100, so that power supply selecting module 100 selects to believe always according to battery
Multiple switch turns on and off in number controlling switch module 200 so that：
If the battery of the first battery module 400 and the second battery module 500 is without under-voltage, by the first battery module 400
The power supply module for being not below default low battery threshold value with battery among the second battery module 500 is powered for functional module 900.If
The battery of first battery module 400 and the second battery module 500 is below default low battery threshold value, by the first battery module 400
It is that functional module 900 is powered with the high power supply module of battery electric quantity among the second battery module 500.
The battery electric quantity height of first battery module 400 and the second battery module 500, many power management chips do not have
The ability of standby comparision of quantity of electricity, it is therefore desirable to which microprocessor (processor module 800) carries out data acquisition and compared.It can set first
A fixed battery low-electricity quantity threshold value, when battery electric quantity is less than this low battery threshold value, it is believed that battery electric quantity is low.Battery electric quantity can
To be obtained from processor module 800 by SMBUS buses to battery.
It is appreciated that during the power-supply management system selection power supply module of above-mentioned defibrillator, deferring to following principle：
When the adapter of AC power supplies module 300 is not present, if only one of which battery is present, selection present battery is powered；
When the adapter of AC power supplies module 300 is not present, if two batteries are present, the preferential electricity using the first battery module 400
Pond powers, next to that the battery of the second battery module 500.
Idiographic flow is as follows：
If the battery electric quantity of the first battery module 400 is higher than low battery power threshold, the first battery module 400 of selection
Battery is powered；If the battery electric quantity of the first battery module 400 is less than battery low-electricity quantity threshold value, then judges the second battery module
500 battery electric quantity.If the battery electric quantity of the second battery module 500 is more than battery low-electricity quantity threshold value, the second battery module is selected
500 battery is powered；If the battery electric quantity of the second battery module 500 is less than battery low-electricity quantity threshold value, then compares the first battery mould
The electricity of the battery of the battery of block 400 and the second battery module 500, the high battery of selection electricity is powered.
The power-supply management system of traditional defibrillator, microprocessor obtains power supply situation in place and battery undervoltage situation, so
Afterwards by the direct controlling switch module of software program, actually microprocessor is by the work(of the power supply selecting module 100 in the system
It all can together handle, but be realized by software program, and the power supply selecting module 100 of the system is by signal
It is directly realized by with hardware.So as to which the processor module 800 of the system can also pass through the direct controlling switch module of software program
200, but control priority should be inferior to power supply selecting module 100.When power supply selecting module 100 can not compare the first battery mould
The battery electric quantity height of the battery module 500 of block 400 and second, then can be by processor module 800.Therefore AC power supplies module
300th, the first battery module 400, the switching of the second battery module 500 can be by power supply selecting module 100 and processor die
The collective effect of block 800, i.e. hardware and software, which are combined, to be completed.
In the present embodiment, in addition to alarm module 700, if the electricity of the first battery module 400 or the second battery module 500
Pond is less than default low battery threshold value, and the control alarm module 700 of processor module 800 (such as host computer) sends alarm signal, carried
Show that operator charges the battery in time.
To ensure that electricity is sufficient, when AC power supplies module 300 and battery (the first battery module 400 or the second battery module
500) in the presence of all, AC power supplies module 300 can also charge except being powered for functional module 900 to battery in place.Place
Manage device module 800 and control charging module 600, AC power supplies module 300 is the first battery module 400 and the by charging module 600
Two battery modules 500 charge.
If the battery of the first battery module 400 and the second battery module 500 is in place, charging module 600 meets first
The charge requirement of one battery module 400.If the first battery module 400 and the only one of which of the second battery module 500 are in place, fill
The power supply module charging in place of electric 600 pairs of module.A battery Full Charge Capacity threshold value can be set, when battery electric quantity is more than this electricity
During the Full Charge Capacity threshold value of pond, it is believed that battery has been filled with.
The principle charged is：
If only one of which battery is present, charged directly to current battery in place, until being full of.
If two batteries are present, the preferential battery to the first battery module 400 charges, when the first battery module 400
Battery be full of after, then to the second battery module 500 battery charge.
If the battery to the second battery module 500 charges, the now battery insertion of the first battery module 400, then
First judge the battery electric quantity of the first battery module 400.If the battery of the first battery module 400 has been filled with, continue to second
The battery charging of battery module 500；If the battery underfill of the first battery module 400, first to the first battery module 400
Battery is charged, and treats that the battery of the first battery module 400 is fully charged, then the battery of the second battery module 500 is charged.
A kind of defibrillation instrument apparatus is also disclosed, and the defibrillation instrument apparatus includes the power-supply management system of above-mentioned defibrillator.
The power-supply management system and defibrillation instrument apparatus of above-mentioned defibrillator, power supply selecting module is according to AC power supplies module, first
Battery module and the respective power supply of the second battery module situation in place and the undervoltage condition of battery, pass through signal control and hardware
(such as comparing unit and battery undervoltage comparing unit in place) directly selects optimal power supply module and realized between power supply module
Seamless switching, to improve the reliability and stability of power supply module.Due to can directly be controlled by signal control and hardware, institute
With unstable, the possibility for failing to reduce defibrillation to charge and risk being caused to patient's treatment that software program can be avoided to bring
Property.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of power-supply management system of defibrillator, it is characterised in that including power supply selecting module, switch module, AC power supplies mould
Block, the first battery module and the second battery module；
The AC power supplies module, the first battery module, the second battery module are independently used to power for defibrillator；The switch
Module includes multiple switch, is connected to the AC power supplies module, the first battery module, the second battery module these three power supply modules
Between functional module；
The power supply selecting module is included in bit comparison unit and battery undervoltage comparing unit, the comparing unit and battery in place
Under-voltage comparing unit is hardware configuration；Comparing unit in place is according to the adapter situation in place of the AC power supplies module, described
The battery situation in place of first battery module and the battery of second battery module situation in place send signal in place；Battery is owed
Comparing unit is pressed according to the battery undervoltage situation of first battery module and the battery undervoltage situation of second battery module
Send under-voltage signal；The power supply selecting module is controlled described in the switch module according to the signal in place and under-voltage signal
Multiple switch is turned on and off so that：
When the adapter of the AC power supplies module is in place, only powered by the AC power supplies module for functional module；As the AC
When the adapter of power module is not in place, powered by one of first battery module and the second battery module for functional module；
If the battery of first battery module and the second battery module is in place, by first battery module and the second battery module
Among battery there is no under-voltage power supply module to be powered for functional module.
2. the power-supply management system of defibrillator according to claim 1, it is characterised in that also including processor module, institute
Processor module is stated according to the battery electric quantity situation of first battery module and the battery electric quantity feelings of second battery module
Condition sends battery selection signal to the power supply selecting module, and the power supply selecting module is always according to the battery selection signal control
Make turning on and off for multiple switch described in the switch module so that：
If the battery of first battery module and the second battery module is without under-voltage, by first battery module and second
Battery is not below the power supply module of default low battery threshold value and powered for functional module among battery module；
If the battery of first battery module and the second battery module is below default low battery threshold value, by first battery
The high power supply module of battery electric quantity is powered for functional module among module and the second battery module.
3. the power-supply management system of defibrillator according to claim 2, it is characterised in that also including alarm module, if institute
The battery for stating the first battery module or the second battery module is less than default low battery threshold value, and the processor module controls the report
Alert module sends alarm signal.
4. the power-supply management system of defibrillator according to claim 2, it is characterised in that also including charging module, described
Processor module controls the charging module, the AC power supplies module by the charging module be first battery module and
Second charging battery module.
5. the power-supply management system of defibrillator according to claim 4, it is characterised in that if first battery module and
The battery of second battery module is in place, and the charging module meets the charge requirement of first battery module first；If institute
State the first battery module and the second battery module only one of which is in place, the charging module fills to power supply module in place
Electricity.
6. the power-supply management system of defibrillator according to claim 1, it is characterised in that the switch module is opened comprising AC
Unit, the first cell switch unit and the second cell switch unit are closed, the AC switch elements are connected to the AC power supplies module
Between functional module, the first cell switch unit is connected between first battery module and functional module, described
Second cell switch unit is connected between second battery module and functional module；The AC switch elements, the first battery
Switch element and the second cell switch unit include the switch of at least two series connection respectively.
7. the power-supply management system of defibrillator according to claim 6, it is characterised in that at least two series connection is opened
Close as semiconductor switch device.
8. the power-supply management system of defibrillator according to claim 7, it is characterised in that the semiconductor switch device bag
Include one kind in metal-oxide-semiconductor, triode and insulated gate bipolar transistor.
9. a kind of defibrillation instrument apparatus, it is characterised in that include the power management system of any described defibrillator of claim 1~8
System.
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| 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 |
| CN110124132B (en) * | 2019-03-28 | 2022-05-13 | 深圳核心医疗科技有限公司 | Ventricular assist device power supply method and related product |
| WO2024095282A1 (en) * | 2022-10-31 | 2024-05-10 | Atre Aniruddha | A defibrillator with two or more independently selectable, and independently operable, power sources |
| CN115833363B (en) * | 2023-02-14 | 2023-05-16 | 长沙巨翊医疗科技有限公司 | Automatic switching method and system for multiple power supply modes |
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