CN109149510A - The electronic circuit complete trails protective device of electrocardio patch - Google Patents
The electronic circuit complete trails protective device of electrocardio patch Download PDFInfo
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- CN109149510A CN109149510A CN201811254239.6A CN201811254239A CN109149510A CN 109149510 A CN109149510 A CN 109149510A CN 201811254239 A CN201811254239 A CN 201811254239A CN 109149510 A CN109149510 A CN 109149510A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 11
- 230000004224 protection Effects 0.000 claims abstract description 176
- 230000001052 transient effect Effects 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000011218 segmentation Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 3
- 206010003497 Asphyxia Diseases 0.000 claims description 2
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- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for DC applications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
- H02H9/047—Free-wheeling circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Protection Of Static Devices (AREA)
Abstract
The present invention provides a kind of electronic circuit complete trails protective devices of electrocardio patch; the device includes: the mutual cooperation between power supply, circuit, three independent protective units of load and protection location: power protection unit includes the overcharging of power supply, over-discharge, overcurrent and overvoltage protection；Circuit protection unit includes forming segmented overcurrent protection by I sections, II sections, is wherein arranged on the branch circuit of electrocardio patch for I sections, carries out overcurrent protection to the branch circuit at place；II sections are arranged on the way circuit of electrocardio patch, carry out overcurrent protection to way circuit；Transient diode TVS and electrostatic protection element ESD is arranged in load protection unit, carries out overvoltage protection to the load of electrocardio patch；The overcurrent protection of power protection unit and circuit protection unit forms main-apparatus protection cooperation, the overvoltage protection formation of power protection unit and load protection unit protection cooperation active and standby each other.Apparatus of the present invention provide complete trails protection under the premise of meeting portability requirement, for patch circuit.
Description
Technical field
The present invention relates to a kind of electronic circuit complete trails of cardioelectric monitor equipment technical field more particularly to electrocardio patch guarantors
Protection unit.
Background technique
Cardioelectric monitor refers to the electrocardio variation for showing or recording user for a long time, and discovery is related to diagnosis of cardiovascular in time
A kind of abnormal method, especially can grasp the electrocardio-activity feelings of user by the real-time dynamic monitoring to electrocardiogram (ECG) data
Condition is supported to provide key technology for trace analysis electrocardio-activity rule.Meanwhile the vital sign obtained by cardioelectric monitor
It is all of great significance with the electrocardiogram important indicator of physical function for patient and Healthy People.
Currently, the real-time dynamic monitoring of the electrocardiogram (ECG) data of user needs to wear dynamic monitor in the prior art, due to prison
It is larger heavier to survey instrument, user wears stronger sense of discomfort.Due to being limited to the requirement such as equipment volume itself, weight, battery holds
Measure very little, it is difficult to support the continuous schedule of some time to sample,
Summary of the invention
The embodiment provides a kind of electronic circuit complete trails protective devices of electrocardio patch, to overcome existing skill
The problem of art.
To achieve the goals above, this invention takes following technical solutions.
A kind of electronic circuit complete trails protective device of electrocardio patch, comprising: power protection unit, circuit protection unit and
Load protection unit:
The power protection unit for connecting with the power circuit of electrocardio patch, including overcharges protection subelement, mistake
Protection subelement, overcurrent protection subelement and overvoltage protection subelement are put, realizes overcharge protection, Cross prevention, overcurrent guarantor respectively
Shield and over-voltage protecting function；
The circuit protection unit, for providing segmentation overcurrent protection, including I sections of protection locations to electrocardio patch circuit
With II sections of protection locations, the I sections of protection location is arranged on the branch circuit of electrocardio patch, carries out to the branch circuit at place
Overcurrent protection；The II sections of protection location is arranged on the way circuit at the power supply lead wire of electrocardio patch, to the total of electrocardio patch
Circuit carries out overcurrent protection；
The load protection unit, for passing through transient diode TVS and electrostatic protection element ESD to electrocardio patch
Load carries out overvoltage protection.
Further, the Cross prevention subelement includes voltage measurement unit and voltage responsive unit；
The voltage value is transferred to voltage responsive for the voltage value of real-time measurement power supply by the voltage measurement unit
Unit；
The voltage responsive unit, voltage value for being transmitted according to the voltage measurement unit and presets
Anti- over-discharge voltage response at different level mechanism, carry out multiple grades anti-over-discharge voltage responsive processing；The anti-over-discharge voltage classification
Corresponding mechanism is as described in Table 1:
Table 1
Further, the power protection unit is realized by there is Li battery protection IC.
Further, the micro-control unit, communication unit and sensor of electrocardio patch is arranged in I section protection location
On the branch circuit of unit, overcurrent protection is carried out to the branch circuit at place.
Further, the load protection unit, for being arranged in parallel TVS wink between the feeder ear and ground of load
State inhibits diode, and when over-voltage exception occurs in the feeder ear of load, TVS is limited in excessively high voltage with the speed of picosecond
Within safe range；
ESD antistatic protection diode is set in the input terminal of the sensor analog quantity signal of electrocardio patch, works as sensor
When over-voltage exception occur and reaching the breakdown voltage of sensor, ESD becomes low resistance state from high-impedance state, provides low-resistance to immediate current
Anti- guiding path, abnormal high pressure strangulation within a level of security.
Further, the overcurrent protection of the circuit protection unit and the power protection unit forms main-apparatus protection and matches
It sets, in the overcurrent protection tripping of circuit protection unit, the overcurrent protection of the power protection unit will be protected as standby
Shield functions, and protects entire electronic circuit, and the action current threshold value of the power protection unit is greater than the circuit protection list
The action current threshold value of member.
Further, the overvoltage protection of the power protection unit and the overvoltage protection of load protection unit formed mutually based on
The clamp voltage of standby relaying configuration, the power protection unit is less than the permitted ceiling voltage of battery.
As can be seen from the technical scheme provided by the above-mentioned embodiment of the present invention, the device of the embodiment of the present invention is meeting gently
Just under the premise of property requires, complete trails protection is provided for patch circuit.By using different response grades, power ring section is provided
The over of different phase；By using delay and different fusing mechanism, segmentation overcurrent protection is provided for circuit.By adopting
The method combined with voltage regulator circuit and antistatic provides overvoltage protection for chip.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is a kind of structure chart of the electronic circuit complete trails protective device of electrocardio patch provided in an embodiment of the present invention；
Fig. 2 is a kind of operation principle schematic diagram of circuit protection unit provided in an embodiment of the present invention；
Fig. 3 is a kind of operation principle schematic diagram of load protection unit provided in an embodiment of the present invention；
Fig. 4 is the mutual cooperation schematic diagram between a kind of each link protection location provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
In order to facilitate understanding of embodiments of the present invention, it is done by taking several specific embodiments as an example below in conjunction with attached drawing further
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
The fast development of wearable device at present, cardioelectric monitor develop towards small-sized, lightweight, the wearable direction of low-power consumption, such as
While where realizing lighting, providing comprehensive protection for electronic circuit becomes major issue urgently to be resolved.
The protection of wearable device electronic circuit at present is more single, disperses, and protects circuit power consumption itself larger,
It is difficult to meet application request, the present invention provides a kind of electronics electricity of electrocardio patch under the premise of meeting lighting requirement
Road complete trails protective device, the device provide complete trails integrated protection for electrocardio patch, and complete trails contains power ring section-circuit
Link-load link, the present invention provides the complete trails integrated protections for covering each link, have both included the independent protective of each link,
It also include the mutual cooperation between the protection of different links.
A kind of working principle of the electronic circuit complete trails protective device of electrocardio patch provided in an embodiment of the present invention is illustrated
Figure is as shown in Figure 1, include power protection unit, circuit protection unit and load protection unit, the power protection unit difference
It is connect with the circuit protection unit, load protection element circuit.
Power protection unit, including overcharge protection subelement, Cross prevention subelement, overcurrent protection subelement and over-voltage and protect
Subelement is protected, realizes overcharge protection, Cross prevention, overcurrent protection and over-voltage protecting function respectively, which can be by there is lithium
Battery protection chip realizes, but the chip be applied to there is a problem of that discharge voltage definite value is arranged when electrocardio patch it is wide.This
Invention improves in response to this problem, using response at different level mechanism, under the premise that security is guaranteed, gives full play to equipment potential.
Voltage measurement unit and voltage responsive unit are set in Cross prevention subelement.
The voltage value is transferred to voltage responsive unit for the voltage value of real-time measurement power supply by voltage measurement unit；
Voltage responsive unit, voltage value and preset anti-mistake for being transmitted according to the voltage measurement unit
Electric discharge pressure response at different level mechanism carries out the anti-over-discharge voltage responsive processing of multiple grades.Anti- over-discharge voltage response at different level mechanism is such as
Shown in table 1.
The anti-overdischarge response at different level mechanism of table 1
Voltage responsive unit is responded according to which kind of grade of voltage value judgement starting.
Circuit protection unit is based on overcurrent protection, including I sections of protection locations and II sections of protection locations.I sections of protection locations
It is arranged on the branch circuit of the micro-control unit of electrocardio patch, communication unit and sensor unit, to the branch circuit at place
Carry out overcurrent protection；II sections of protection locations are arranged on the way circuit at the power supply lead wire of electrocardio patch, to the total of electrocardio patch
Circuit carries out overcurrent protection.
Above-mentioned I sections of protection location and II sections of protection locations form circuit by action current, the mutual cooperation of actuation time
The segmentation protection mechanisms of link.A kind of operation principle schematic diagram such as Fig. 2 institute of circuit protection unit provided in an embodiment of the present invention
Show.The course of work includes: the II section protection at the power supply lead wire when over current fault occurs for the electric current of electrocardio patch, on way circuit
Unit starting works, and the I section protection location on each branch circuit also starts work, and I sections of protection locations block in a short time
The branch circuit at place, II sections of protection locations have compared with long delay.Fault Isolation after being acted such as each I sections of protection location, then II sections
Protection location does not reoperate, and such as I sections of protection location trippings, then II sections of protection locations cut off the power circuit of entire electrocardio patch.
It is using above-mentioned relaying configuration advantage: 1. duplicate protection, it is safer reliable；2. selective exclusion, in micro-control unit or
When sensor unit failure, also prompt information etc. can be obtained by communication unit.
Load protection unit is based on the overvoltage protection of chip, module etc..Overvoltage will cause chip or module cannot
It works normally, serious overvoltage also will cause component breakdown, wafer damage etc..The invention is inhibited using transient state and antistatic phase
In conjunction with method, prevent overvoltage.
A kind of operation principle schematic diagram of load protection unit provided in an embodiment of the present invention is as shown in Figure 3.In load
Between feeder ear and ground, it is arranged in parallel TVS (Transient Voltage Suppressor, transient diode) transient state and inhibits two
Pole pipe, when over-voltage exception occurs in the feeder ear of load, TVS is with picoseconds (10-12Second) speed of grade is limited in excessively high voltage
Within one safe range.In the input terminal of the sensor analog quantity signal of electrocardio patch, ESD (Electro-Static is set
Discharge, electrostatic protection element) antistatic protection diode, when over-voltage exception occurs in sensor and reaches hitting for sensor
When wearing voltage, ESD becomes low resistance state from high-impedance state rapidly, Low ESR guiding path is provided to immediate current, abnormal high pressure pincers
System is within a level of security, to protect sensor.
(3) the mutual cooperation schematic diagram between a kind of each link protection location provided in an embodiment of the present invention as shown in figure 4,
Concrete processing procedure includes:
The cooperation of power ring section and circuit link overcurrent protection
The overcurrent protection of power ring section and the overcurrent protection of circuit link form main-apparatus protection configuration.In the mistake of circuit link
In the case of flowing relay fail, the overcurrent protection of power ring section will be functioned as back-up protection, protect entire electronic circuit.Electricity
The overcurrent protection of source link is based on power supply module direct short-circuit situation, therefore the setting of its action current definite value is bigger, is greater than electricity
Road link protects 3 times of definite value or more.
The cooperation of power ring section and load link overvoltage protection
The overvoltage protection of power ring section and the overvoltage protection of load link form relaying configuration active and standby each other.Such as power ring
Saving has overpressure situation, and the overvoltage protection tripping of itself, then extends to load link, is sent out by the overvoltage protection of load link
Wave defencive function；Conversely, as load link has an overpressure situation, and the overvoltage protection tripping of itself, then extend to power ring
Section plays defencive function by the overvoltage protection of power ring section.The over-voltage of power ring section is to protect based on battery, therefore in load ring
Section either transient state inhibits and antistatic, clamp voltage should be less than the permitted ceiling voltage of battery.
In conclusion the device of the embodiment of the present invention provides full under the premise of meeting portability requirement for patch circuit
Trail protection.By using different response grades, the over of different phase is provided to power ring section；By using delay
With different fusing mechanism, segmentation overcurrent protection is provided for circuit.By using the method that voltage regulator circuit and antistatic combine, it is
Chip provides overvoltage protection.
Electrocardio patch is applied to using method and device provided by the present invention, by 6 months 1000 (piece) answer
Over-voltage and over-current limit test is done with test, and to part patch, link of protection alarm and movement accurately and timely, provide for patch
Good protection；Method and device provided by the present invention is applied to electrocardio patch, and patch overall weight only increases 0.6g, consumes
Electricity only increases by 3%, meets real requirement.
Those of ordinary skill in the art will appreciate that: attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (7)
1. a kind of electronic circuit complete trails protective device of electrocardio patch characterized by comprising power protection unit, circuit
Protection location and load protection unit:
The power protection unit, for being connect with the power circuit of electrocardio patch, including overcharge protection subelement, over-discharge is protected
Protect subelement, overcurrent protection subelement and overvoltage protection subelement, realize respectively overcharge protection, Cross prevention, overcurrent protection and
Over-voltage protecting function；
The circuit protection unit, for providing segmentation overcurrent protection, including I sections of protection locations and II to electrocardio patch circuit
Section protection location, the I sections of protection location are arranged on the branch circuit of electrocardio patch, carry out overcurrent to the branch circuit at place
Protection；The II sections of protection location is arranged on the way circuit at the power supply lead wire of electrocardio patch, to the way circuit of electrocardio patch
Carry out overcurrent protection；
The load protection unit, for passing through the load of transient diode TVS and electrostatic protection element ESD to electrocardio patch
Carry out overvoltage protection.
2. the apparatus according to claim 1, which is characterized in that the Cross prevention subelement includes voltage measurement unit
With voltage responsive unit；
The voltage value is transferred to voltage responsive unit for the voltage value of real-time measurement power supply by the voltage measurement unit；
The voltage responsive unit, voltage value for being transmitted according to the voltage measurement unit and preset anti-
Over-discharge voltage response at different level mechanism carries out the anti-over-discharge voltage responsive processing of multiple grades；The anti-over-discharge voltage classification is corresponding
Mechanism is as described in Table 1:
Table 1
3. the apparatus according to claim 1, which is characterized in that the power protection unit passes through Li battery protection IC
To realize.
4. device according to claim 2 or 3, which is characterized in that electrocardio patch is arranged in the I section protection location
On the branch circuit of micro-control unit, communication unit and sensor unit, overcurrent protection is carried out to the branch circuit at place.
5. device according to claim 4, it is characterised in that:
The load protection unit, for being arranged in parallel TVS Transient Suppression Diode between the feeder ear and ground of load,
When over-voltage exception occurs in the feeder ear of load, TVS is limited in excessively high voltage within safe range with the speed of picosecond；
ESD antistatic protection diode is set in the input terminal of the sensor analog quantity signal of electrocardio patch, when sensor occurs
Over-voltage exception and when reaching the breakdown voltage of sensor, ESD becomes low resistance state from high-impedance state, provides Low ESR to immediate current and leads
Path, abnormal high pressure strangulation within a level of security.
6. device according to claim 5, which is characterized in that the circuit protection unit and the power protection unit
Overcurrent protection forms main-apparatus protection configuration, in the overcurrent protection tripping of circuit protection unit, the power protection unit
Overcurrent protection will be functioned as back-up protection, protect entire electronic circuit, the action current of the power protection unit
Threshold value is greater than the action current threshold value of the circuit protection unit.
7. device according to claim 6, which is characterized in that the overvoltage protection and load protection of the power protection unit
The overvoltage protection of unit forms relaying configuration active and standby each other, and the clamp voltage of the power protection unit is less than battery and is allowed
Ceiling voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254239.6A CN109149510A (en) | 2018-10-26 | 2018-10-26 | The electronic circuit complete trails protective device of electrocardio patch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254239.6A CN109149510A (en) | 2018-10-26 | 2018-10-26 | The electronic circuit complete trails protective device of electrocardio patch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149510A true CN109149510A (en) | 2019-01-04 |
Family
ID=64810084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811254239.6A Pending CN109149510A (en) | 2018-10-26 | 2018-10-26 | The electronic circuit complete trails protective device of electrocardio patch |
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| Country | Link |
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| CN (1) | CN109149510A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659924A (en) * | 2019-02-02 | 2019-04-19 | 京东方科技集团股份有限公司 | Protect circuit and AR/VR helmet |
| CN115882428A (en) * | 2021-09-26 | 2023-03-31 | 中车株洲电力机车研究所有限公司 | Converter and its control unit output power short circuit protection device |
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| CN202821337U (en) * | 2012-09-24 | 2013-03-27 | 鲁巍峰 | Portable eighteenth leading synchronous electrocardio collecting box |
| CN208904638U (en) * | 2018-10-26 | 2019-05-24 | 北京柔云科技有限责任公司 | The electronic circuit complete trails protective device of electrocardio patch |
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| US20020161402A1 (en) * | 2001-04-26 | 2002-10-31 | Vogel Martin J. | Protection apparatus for implantable medical device |
| CN101447666A (en) * | 2007-11-27 | 2009-06-03 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and power overvoltage safety protection control method |
| CN201345042Y (en) * | 2008-07-28 | 2009-11-11 | 陈德香 | Subminiature intelligent control device with micropower consumption |
| CN102596312A (en) * | 2009-11-16 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | Overvoltage protection for defibrillator |
| CN201860086U (en) * | 2010-10-30 | 2011-06-08 | 珠海市鑫和电器有限公司 | Medical power supply management circuit |
| CN202821337U (en) * | 2012-09-24 | 2013-03-27 | 鲁巍峰 | Portable eighteenth leading synchronous electrocardio collecting box |
| CN208904638U (en) * | 2018-10-26 | 2019-05-24 | 北京柔云科技有限责任公司 | The electronic circuit complete trails protective device of electrocardio patch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659924A (en) * | 2019-02-02 | 2019-04-19 | 京东方科技集团股份有限公司 | Protect circuit and AR/VR helmet |
| CN115882428A (en) * | 2021-09-26 | 2023-03-31 | 中车株洲电力机车研究所有限公司 | Converter and its control unit output power short circuit protection device |
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