CN204536509U - Based on the button cell capacity checking apparatus of AVR - Google Patents
Based on the button cell capacity checking apparatus of AVR Download PDFInfo
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- CN204536509U CN204536509U CN201520154400.8U CN201520154400U CN204536509U CN 204536509 U CN204536509 U CN 204536509U CN 201520154400 U CN201520154400 U CN 201520154400U CN 204536509 U CN204536509 U CN 204536509U
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Abstract
The utility model provides a kind of button cell capacity checking apparatus based on AVR, comprising: AC differential amplifying circuit [101], lock-in amplify and filtering circuit [102], A/D converter [103], clock circuit [104], eeprom memory [106], AVR single chip [107], AC signal generator [108], telecommunication circuit [109], keyboard [110] and LED nixie display [111] composition.Adopt the button cell capacity checking apparatus based on AVR, can reach and quick and precisely detect, the examination criteria of intelligent decision.This button cell inner resistance detect unit is mainly useful in button cell manufacturer, and the battery that can meet manufacturer's new production carries out quick and precisely Non-Destructive Testing in enormous quantities, and machine intelligence judges the whether qualified requirement of battery.This pick-up unit, compared with other pick-up unit, has that detection speed is fast, detection time is short and the advantage such as automatic decision.
Description
Technical field
The utility model relates to a kind of pick-up unit detecting button cell amount of capacity, particularly relates to Fast nondestructive evaluation technology, and relates more specifically to a kind of button cell capacity checking apparatus based on AVR.
Background technology
Present button cell is widely used in various electronic product, as computer main board, and electronic watch, electronic dictionary, electronic scales, counter, memory card, telepilot, electronic toy, lighter, electronic hearing aid, pacemaker, counter, camera etc.Visible, the usage quantity of button cell is very huge, uses field wide, all plays no small impact to the life of the people, work.So quality of battery, how battery status all can have influence on the live and work of the people, and weighs the actual capacity that one of the quality of battery and the important symbol of state are exactly it.But so huge amount detection, this is a test concerning the producer producing button cell.The button cell used in life is all disposable non-rechargeabel mostly, and belongs to small-capacity cells.For jumbo rechargeable battery, the pick-up unit market of its battery capacity is a feast for the eyes, but pick-up unit all also exist obvious defect mostly.
One is be difficult to realize quick detection to small-capacity cells, and proving installation need allow battery be forced through a very large Constant Direct Current electric current, and its time needs to complete within 2-3 second, otherwise measuring error is large.And small-capacity cells cannot in 2-3 internal loading in second larger current.Even 2-3 can complete detection in second, to large batch of button cell, this detection speed is the requirement being difficult to reach manufacturer.
Two is there is damage to detected battery, is difficult to accomplish Non-Destructive Testing especially, almost just can only have scrapped after disposable battery is detected for disposable battery.This is concerning cell production companies, and such detection is only applicable to sampling observation.
Three is that intelligence degree is low, needs manually to carry out judging that whether battery capacity is up to standard, by substantial manpower.
In order to overcome above deficiency, the utility model provides a kind of button cell for the new production of button cell manufacturer to carry out the pick-up unit of Fast nondestructive evaluation battery capacity, this device provides Non-Destructive Testing not only to disposable button cell, quick detection can also be provided, its detection speed can reach the 20-30 of conventional detection devices doubly, and also can detect non-once battery, intelligence can also judge that whether qualified the battery of new production is according to battery capacity value.
Summary of the invention
The technical problems to be solved in the utility model is, be difficult to realize quick detection to small-capacity cells for traditional battery capacity pick-up unit, damage is existed to detected disposable battery, detect intelligentized not feature, based on the button cell capacity checking apparatus of AVR, quick and precisely detection, lossless decomposition, the examination criteria that whether qualified automatic decision is can be reached to the button cell of new production.
For achieving the above object, the utility model provides a kind of button cell capacity checking apparatus based on AVR, this device is by AC differential amplifying circuit, lock-in amplify and filtering circuit, A/D converter, clock circuit, eeprom memory, AVR single chip, AC signal generator, telecommunication circuit, the compositions such as keyboard and LED nixie display, it is characterized in that, this pick-up unit can realize fast, accurately, not damaged, Intelligent Measurement, AVR single chip respectively with A/D converter, clock circuit, telecommunication circuit, eeprom memory, keyboard is connected with LED nixie display etc., AC signal generator to be applied on tested battery and to provide reference signal for lock-in amplify circuit, tested battery is connected with AC differential amplifying circuit, AC differential amplifying circuit is connected with lock-in amplify and filtering circuit again, lock-in amplifier and filtering circuit are connected with A/D converter,
AC differential amplifying circuit, for being undertaken amplifying and restraint speckle by the voltage responsive signal on battery two ends;
Lock-in amplify and filtering circuit, change direct current signal into for ac voltage signal is carried out low-pass filtering and amplify;
A/D converter, for being converted into digital quantity by analog quantity;
Clock circuit, for providing clock signal to single-chip microcomputer;
Eeprom memory, for carrying out the process of the large batch of storage data of whole system;
AVR single chip, for carrying out message exchange and unified Coordination Treatment mutual relationship each other between each device, and carries out calculating and the judge of battery capacity;
AC signal generator, for injecting the constant AC signal of low frequency and providing reference signal to lock-in amplify circuit to battery;
Telecommunication circuit, for writing to each other with host computer;
Keyboard, for carrying out the process of various function key and numerical key;
Nixie display LED, for carrying out the display of various digital signal.
Technical scheme is: adopt four terminal metering systems, apply constant ac-excited current signal to tested battery at two terminals by AC signal generator, alternating voltage response signal on another two terminals is undertaken amplifying and suppressing partial noise by AC differential amplifying circuit, by lock-in amplify and filtering circuit, ac voltage signal is carried out low-pass filtering again change direct current signal into and amplify, utilize A/D converter analog quantity to be converted into digital quantity feeding AVR single chip and carry out the conversion of battery capacity and whether qualified judgement, utilize the clock signal of clock circuit generation required for AVR single chip, pass through telecommunication circuit, AVR single chip and host computer are write to each other, keyboard is utilized to carry out input and the process of various data in battery capacity testing process, a large amount of storage data of whole system are stored by eeprom memory, the data of AVR single chip process and result are delivered on light-emitting diode display and shows.
Based on the button cell capacity checking apparatus course of work of AVR, concrete steps are as follows:
(1) system initialization;
(2) reset;
(3) AC signal is injected;
(4) battery capacity is calculated;
(5) interruption is opened;
(6) CK call key disc program;
(7) judge that whether capacity is up to standard;
(8) display routine is called;
(9) terminate.
Based on the button cell capacity checking apparatus capacity situation deterministic process up to standard of AVR, concrete steps are as follows:
(1) system opens interruption;
(2) standard cell capacity and reference deviate is inputted;
(3) obtain the deviate of survey capacity and normal capacity;
(4) whether judgment bias value is greater than with reference to deviate;
(5) be greater than reference value and then show result not up to standard;
(6) be not more than reference value then to terminate.
This battery capacity pick-up unit beneficial effect and advantage: adopt four terminals to measure, exchange the use of the technology such as injection and lock-in amplify and single-chip microcomputer, complicated testing process is simplified, intelligent.Also without the need to carrying out charge and discharge to tested battery, not only shorten detection time but also reach harmless requirement, because of the inverse of the alternating voltage response signal value of the battery of new production and battery capacity linear degree high, therefore the accuracy of detection of capacity can be ensured for the battery of new production.Specifically this pick-up unit is compared with other pick-up unit, has that detection speed is fast, detection time is short and the advantage such as automatic decision.
By in conjunction with the following drawings, read after this uses the detailed description of novel embodiment, other features of the present invention, feature and advantage will become apparent.
Accompanying drawing explanation
Fig. 1 is the button cell capacity checking apparatus structural representation based on AVR of the present utility model;
Fig. 2 obtains the button cell capacity checking apparatus course of work process flow diagram of Fig. 1 based on AVR;
Fig. 3 obtains the button cell capacity checking apparatus capacity up to standard situation deterministic process process flow diagram of Fig. 1 based on AVR.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Fig. 1 is the button cell capacity checking apparatus structural representation based on AVR of the present utility model.
Comprise: AC differential amplifying circuit 101, lock-in amplify and filtering circuit 102, A/D converter 103, clock circuit 104, eeprom memory 106, AVR single chip 107, AC signal generator 108, telecommunication circuit 109, the compositions such as keyboard 110 and LED nixie display 111, it is characterized in that, this pick-up unit can realize fast, harmless, Intelligent Measurement, AVR single chip 107 respectively with A/D converter 103, clock circuit 104, eeprom memory 106, telecommunication circuit 109, keyboard 110 is connected with LED nixie display 111 etc., AC signal generator 108 to be applied on tested battery 105 and to provide reference signal for lock-in amplify circuit 102, tested battery 105 is connected with AC differential amplifying circuit 101, AC differential amplifying circuit 101 is connected with lock-in amplify and filtering circuit 102 again, lock-in amplifier and filtering circuit 102 are connected with A/D converter 103,
AC differential amplifying circuit 101, for being undertaken amplifying and restraint speckle by the voltage responsive signal on battery two ends;
Lock-in amplify and filtering circuit 102, change direct current signal into for ac voltage signal is carried out low-pass filtering and amplify;
A/D converter 103, for being converted into digital quantity by analog quantity;
Clock circuit 104, for providing clock signal to single-chip microcomputer;
Eeprom memory 106, for carrying out the process of a large amount of storage data of whole system;
AVR single chip 107, for carrying out message exchange and unified Coordination Treatment mutual relationship each other between each device, and
Carry out calculating and the judge of battery capacity;
AC signal generator 108, for injecting the constant AC signal of low frequency and providing reference signal to lock-in amplify circuit to battery;
Telecommunication circuit 109, for writing to each other with host computer;
Keyboard 110, for carrying out the process of various function key and numerical key;
Nixie display LED111, for carrying out the display of various digital signal.
Adopt four terminal metering systems, apply constant ac-excited current signal to tested battery 105 at two terminals by AC signal generator 108, alternating voltage response signal on another two terminals is undertaken amplifying and suppressing partial noise by AC differential amplifying circuit 101, by lock-in amplify and filtering circuit 102, ac voltage signal is carried out low-pass filtering again change direct current signal into and amplify, utilize A/D converter 103 analog quantity to be converted into digital quantity feeding AVR single chip 107 and carry out the conversion of battery capacity and the judgement of situation up to standard, clock circuit 104 is utilized to produce clock signal required for AVR single chip 107, by telecommunication circuit 109, AVR single chip 107 and host computer are write to each other, keyboard 110 is utilized to carry out input and the process of various data in battery capacity testing process, a large amount of storage data of whole system are stored by eeprom memory 106, the data process AVR single chip 107 and result are delivered on light-emitting diode display 111 and are shown.
Fig. 2 obtains the button cell capacity checking apparatus course of work process flow diagram of Fig. 1 based on AVR.
Concrete steps are as follows:
In step 201, plant running starts;
In step 202, system initialization;
In step 203, reset;
In step 204, inject AC signal;
In step 205, calculate battery capacity value;
In step 206, system opens interruption;
In step 207, CK call key disc program;
In step 208, judge capacity situation up to standard;
In step 209, call display routine;
In step 210, plant running terminates.
Fig. 3 obtains the button cell capacity checking apparatus capacity up to standard situation deterministic process process flow diagram of Fig. 1 based on AVR.
Concrete steps are as follows:
In step 301, system cloud gray model starts;
In step 302, system opens interruption;
In step 303, input standard cell capacity and reference deviate;
In step 304, obtain the deviate of survey capacity and normal capacity;
In step 305, whether judgment bias value is greater than with reference to deviate;
In step 306, be greater than reference value and then show result not up to standard;
In step 307, be not more than reference value then system finishing operation.
This battery capacity pick-up unit beneficial effect and advantage: adopt four terminals to measure, exchange the use of the technology such as injection and lock-in amplify and single-chip microcomputer, complicated testing process is simplified, intelligent.Also without the need to carrying out charge and discharge to tested battery, not only shorten detection time but also reach harmless requirement, because of the inverse of the alternating voltage response signal value of the battery of new production and battery capacity linear degree high, therefore the accuracy of detection of capacity can be ensured for the battery of new production.Specifically this pick-up unit is compared with other pick-up unit, has that detection speed is fast, detection time is short and the advantage such as automatic decision.
Adopt the button cell capacity checking apparatus based on AVR, can reach and quick and precisely detect, Non-Destructive Testing, the examination criteria of intelligent decision.This button cell inner resistance detect unit is mainly useful in button cell manufacturer, and the battery that can meet manufacturer's new production carries out quick and precisely detecting in enormous quantities, and Non-Destructive Testing, machine intelligence judges the requirements such as whether qualified battery is.
Claims (3)
1. based on the button cell capacity checking apparatus of AVR, comprise: AC differential amplifying circuit [101], lock-in amplify and filtering circuit [102], A/D converter [103], clock circuit [104], eeprom memory [106], AVR single chip [107], AC signal generator [108], telecommunication circuit [109], keyboard [110] and LED nixie display [111] composition, it is characterized in that, this pick-up unit can realize fast, harmless, Intelligent Measurement, AVR single chip [107] respectively with A/D converter [103], clock circuit [104], eeprom memory [106], telecommunication circuit [109], keyboard [110] is connected with LED nixie display [111],
AC differential amplifying circuit [101], for being undertaken amplifying and restraint speckle by the voltage responsive signal on battery two ends;
Lock-in amplify and filtering circuit [102], change direct current signal into for ac voltage signal is carried out low-pass filtering and amplify;
A/D converter [103], for being converted into digital quantity by analog quantity;
Clock circuit [104], for providing clock signal to single-chip microcomputer;
Eeprom memory [106], for carrying out the process of a large amount of storage data of whole system;
AVR single chip [107], for carrying out message exchange and unified Coordination Treatment mutual relationship each other between each device, and
Carry out calculating and the judge of battery capacity;
AC signal generator [108], for injecting the constant AC signal of low frequency and providing reference signal to lock-in amplify circuit to battery;
Telecommunication circuit [109], for writing to each other with host computer;
Keyboard [110], for carrying out the process of various function key and numerical key;
Nixie display LED [111], for carrying out the display of various digital signal.
2. the button cell capacity checking apparatus based on AVR according to claim 1, it is characterized in that AC signal generator [108] is applied to tested battery [105] and goes up and be that lock-in amplify circuit [102] provides reference signal, tested battery [105] is connected with AC differential amplifying circuit [101], AC differential amplifying circuit [101] is connected with lock-in amplify and filtering circuit [102] again, and lock-in amplifier and filtering circuit [102] are connected with A/D converter [103].
3. the button cell capacity checking apparatus based on AVR according to claim 1, is characterized in that the microprocessor of button cell capacity checking apparatus is AVR single chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154400.8U CN204536509U (en) | 2015-03-16 | 2015-03-16 | Based on the button cell capacity checking apparatus of AVR |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154400.8U CN204536509U (en) | 2015-03-16 | 2015-03-16 | Based on the button cell capacity checking apparatus of AVR |
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| Publication Number | Publication Date |
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| CN204536509U true CN204536509U (en) | 2015-08-05 |
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| CN201520154400.8U Expired - Fee Related CN204536509U (en) | 2015-03-16 | 2015-03-16 | Based on the button cell capacity checking apparatus of AVR |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569134A (en) * | 2016-09-29 | 2017-04-19 | 北京国电光宇机电设备有限公司 | Intelligent wireless transmission cell inspection system possessing internal detection |
-
2015
- 2015-03-16 CN CN201520154400.8U patent/CN204536509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569134A (en) * | 2016-09-29 | 2017-04-19 | 北京国电光宇机电设备有限公司 | Intelligent wireless transmission cell inspection system possessing internal detection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |