CN2272141Y - Computerized tester of battery parameter - Google Patents
Computerized tester of battery parameter Download PDFInfo
- Publication number
- CN2272141Y CN2272141Y CN 95229831 CN95229831U CN2272141Y CN 2272141 Y CN2272141 Y CN 2272141Y CN 95229831 CN95229831 CN 95229831 CN 95229831 U CN95229831 U CN 95229831U CN 2272141 Y CN2272141 Y CN 2272141Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- battery
- code translator
- output terminal
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model relates to a computerized tester of battery parameters. The utility model comprises a microprocessor, an A/D switching circuit, a plurality of inspection circuits, a sampling circuit, a battery discharging control circuit, a hardware watchdog circuit, an RAM power-down protecting circuit, a display circuit, a keyboard, etc., and the utility model utilizes a control data processing system which takes the single-chip microprocessor as the center to measure and monitor a plurality of parameters, such as voltage, electric current, environment temperature, etc. of a battery pack to be monitored to achieve the computerization of measurement and monitoring of battery parameters. The utility model has the advantages of time saving, accuracy and high reliability, and the utility model is an advanced measuring instrument of battery parameters.
Description
The utility model relates to a kind of full-computerized battery parameter measuring instrument, is used to measure, monitor the parameter such as voltage, electric current, temperature of all kinds battery.
Battery has purposes more widely as a kind of light reserve energy.More and more equipments or directly with battery as energy source, or be the reserve energy with the battery, will use battery.And the quality of battery performance directly has influence on the reliability of equipment.As shaver producer, every shaver need use one to two the joint rechargeable battery, may use every day to the rechargeable battery more than 10,000 joints, with general all be homemade nickel-cadmium battery, and the performance of some homemade battery less stable also at present, in order to guarantee the quality of product, must carry out Performance Detection to each battery.The consumer that other is important is not allow power down.As post and telecommunications system, important computer network system etc., the power loss event that does not even allow above time of centisecond takes place.Therefore must guarantee that the accumulator of power supply is under the normal state in support: bad battery needs in time to be changed, and battery is owed electricity, then needs charging in time etc.Also decent without comparison checkout equipment can be bought at present.Therefore, all by manually carrying out, the checkout equipment of use then is a multimeter, once can only detect a battery, and can only detect the size of the terminal voltage of battery to the detection of battery, and both time-consumings when taking a lot of work again, and is difficult for surveying the performance of accurate battery.
The utility model purpose is to provide the full-computerized battery parameter measuring instrument of voltage under a kind of energy measurement battery static state, the dynamical state, electric current, the isoparametric computer control of environment temperature, to overcome the backward situation of current battery parameter measurement instrument.
The utility model full-computerized battery parameter measuring instrument comprises microprocessor, A/D change-over circuit, multi channel testing circuit, battery discharge control circuit, sample circuit, display circuit and keyboard etc.The detailed technology content in conjunction with the embodiments and accompanying drawing give explanation.
Fig. 1 is the circuit block diagram of a kind of embodiment of the utility model full-computerized battery parameter measuring instrument.
Fig. 2 is a microprocessor control block diagram.
Fig. 3 is a multi channel testing control circuit electricity principle reduced graph.
Fig. 4 is a battery discharge D/A change-over circuit.
Fig. 5 is that discharge is carried out and control circuit.
Fig. 6 is the hardware watchdog circuit diagram.
Fig. 7 is a RAM power down protection circuit diagram.
Fig. 8 is keyboard structure figure.
By Fig. 2, the microprocessor of present embodiment full-computerized battery parameter measuring instrument, comprise micro computer CPU, read-only memory ROM, random memory ram, interface circuit 8255, address latch 74ls373 etc., because each one of microprocessor constitutes and interconnected relationship belongs to routine techniques, this paper slightly chats.The present embodiment interface circuit adopts two 8255, and wherein the PC of interface 8255 (1) end connects keyboard, and PA, PB end can be used for connecting printer; The discharge of low four control batteries of 8255 (2) PC end, Gao Siwei and monomer are chosen the ADD of code translator
1Link to each other, low four of PB controls the ADD of code translator with group
oLink to each other total gating of the 5th the control multi channel testing control circuit of PB.CPU can realize the read-write to two 6264 by changing the address; Read the result of A/D conversion; The control LCD screen shows; Control two 8255 input and output.
The multi channel testing circuit comprises multi channel testing control circuit (Fig. 3) and relay commutation circuit (see figure 1), the multi channel testing control circuit chooses code translator (4-16 line code translator 74LS154) to form by a group control code translator (4-16 line code translator 74IS154) and at least one monomer, and monomer chooses the number of code translator to decide on specifically patrolling and examining the battery number.Present embodiment is selected for use 16 4-6 line code translator 74LS154 to constitute 16 groups of monomers to choose code translator and group control code translator to constitute 256 road programmable multiple controllers.The sheet choosing end of forming the control code translator
CsBy an output terminal control of little processing I/O interface 8255 (2), address input end ADD
oConnect the corresponding parallel port of I/O interface, output terminal connects the sheet choosing end that monomer is chosen code translator
Cs, monomer is chosen the address input end ADD of code translator
1Connect the corresponding parallel interface of another one of I/O interface, monomer chooses the output terminal Yi (i=0～255) of code translator to connect two contact relay coil ends, when output terminal Yi is low level, can directly drive a relay (Ji among Fig. 2), in the present embodiment, relay is used in the reed pipe relay, comprise two tongue tubes, constitute the tongue tube commutation circuit, the two contacts of relay, promptly an end of two tongue tubes connects the positive and negative terminal of battery respectively, the other end links to each other with the input end of analog signal of A/D converter 7109 respectively, when Yi is in low level state, and the Ji adhesive, battery BATi both end voltage is switched to A/D converter 7109, so that carry out voltage measurement.The power supply of battery, the measurement of temperature are the same substantially, and what just dry-reed relay switched is not voltage signal, but electric current or temperature signal.
The battery discharge control circuit is used for further determining the quality of battery performance and the internal resistance of measuring battery, this circuit comprises battery D/A change-over circuit and discharge execution control circuit, battery discharge D/A change-over circuit is by several, present embodiment is 8 a reverser 40106, high resistant transport and placing device 5532 and T shape resistance decoding network constitute, the input end of each reverser connects the delivery outlet (PA) of I/O interface 8255 (2) respectively, the output termination T shape resistance decoding network of reverser, the input end of the output termination high resistant transport and placing device 5532 of T shape resistance decoding network, voltage control quantity of output terminal output of high resistance operating amplifier, this controlled quentity controlled variable is through a reed switch relay group (J
1) deliver to the ictr end of discharge executive circuit.Reverser is mainly made the power and position switch.CPU is according to different battery capacity value, calculate the size of the discharge current that needs control, general power taking tankage 1/10 calculates a digital quantity then as the size of discharge current, behind the D/A change-over circuit, at voltage control quantity of operational amplifier 5532 output terminals output.This controlled quentity controlled variable is delivered to the ictr end of discharge executive circuit after a dry-reed relay group.Discharge is carried out and control circuit comprises the discharge control and the delay switching circuit of integrated package NE555 and peripheral resistance thereof, electric capacity composition, integrated package NE555 input port (4 end) is connected with the PC mouth of microprocessor I/O interface 8255 (2) after photoelectrical coupler OPE isolates, the output terminal of integrated package NE555 is by the negative input end of diode D1 concatenation operation amplifier 358 (2), the grid of the output termination field effect transistor M of operational amplifier 358 (2), field effect transistor output terminal OUT
1, OUT
2Be attempted by in the electric battery loop.When CPU did not send discharge signal, low four of 8255 (2) PC mouths were output as low level signal, for example 8255 (2) PCO=OV, then 3 ends of the NE555 circuit among Fig. 5 are exported high level, thereby make 358 (2) to be output as low level, forbid the field effect transistor conducting, promptly do not allow battery discharge.And when 8255 (2) PCO were high level, 4 pin of NE555 were dragged down, and made output terminal 3 output low levels, so 358 (2), resistance R
26, R
28, field effect transistor M forms negative feedback constant-current discharge circuit, controlled by NE555 discharge time, R among Fig. 5
21, R
22, C
2Form delay circuit with NE555, after the of short duration time of delaying time, make the 3 pin output high level of NE555, thereby forbid discharge circuit work.
Can work reliably in order to ensure whole measuring instrument, present embodiment is provided with a hardware watchdog circuit (see figure 6), and when monitoring the control program richochet, the whole measuring equipment that can reset immediately by cooperating with software, can guarantee the safety of measuring system effectively.The hardware watchdog circuit comprises differentiating circuit R
29, C
5But, zero clearing self-oscillation binary counting frequency divider 4060, differentiating circuit R
32, C
7With transistor switching circuit TR
1Differentiating circuit R
29, C
5Connect frequency divider 4060RST end, frequency divider Q12 end and differentiating circuit R
32, C
7Input end connect differentiating circuit R
32, C
7Output terminal connect transistor switching circuit input end, the output termination microprocessor reset terminal RST of on-off circuit.When from Q
12End takes out pulse, and then the square-wave signal of this end output when uprising level by low level, makes triode TR
1Conducting, thus a reset signal, differentiating circuit C produced
7R
32Be used to limit the width of reset signal, differentiating circuit R
29C
5Be in order to guarantee that when the CLEAR signal was not normal, watchdog circuit still can operate as normal.When microprocessor because external interference, and when the program richochet took place, the clear terminal that just stops to 4060 sent the CLEAR signal, 4060 make the triode conducting within a certain period of time, thereby produce a reset signal, the microprocessor that can reset makes it operate as normal.
For guaranteeing that when the power down, the data in the random memory ram of little processing are not lost, this battery parameter measuring instrument is provided with the power down protection circuit of a RAM, and this circuit comprises stabilivolt WY
3, triode 9014 and AND circuit 74LS32, stabilivolt WY
3Anode connect the base stage (b) of triode 9014, the collector of triode (c) joins with an input end (d) of AND circuit, the control end P of the little processing of another input termination in the AND circuit
1.2, AND circuit output terminal XT
oConnect the cs sheet choosing end of a slice RAM, the negative pole of stabilivolt meets operating voltage Vcc.As Vcc during greater than operational voltage value, for example during 4.5V, the stabilivolt conducting, so also conducting of triode 9014, make the C point be in low level state, output terminal P1.1, the P1.2 of little processing, P1.3 can directly control the sheet choosing end of RAM, thereby successfully finish the read-write to memory.And when Vcc is lower than operational voltage value (4.5V), stabilivolt WY
3End, thereby triode 9014 is also ended, the C level point is in high level state, thereby the output with door is locked as high level state, forbid that each RAM is selected, when Vcc drops to 3.6V when following, the power supply of RAM is supplied with by back-up source E, thereby guarantee that when power down, the data among the RAM are not lost.
Present embodiment adopts 4 * 4 keyboard as shown in Figure 8, and the user can import some important parameters by this keyboard, and the operation of control instrument, is characterized in that key value can adopt the matrix-scanning mode read for microprocessor.
Sample circuit is used for the specified physical simulation amount of micro computer is switched, and converts digital quantity then to, reads for microprocessor.The present embodiment sample circuit can divide battery terminal voltage testing circuit, battery charging and discharging current detection circuit and battery temperature testing circuit, sending instruction by micro computer CPU respectively makes detected voltage signal, current signal, temperature signal convert voltage signal to directly to send in the A/D converter, after conversion, become digital quantity, can read by micro computer.Whether include the function decision that above-mentioned three kinds of circuit are looked measuring instrument as for sample circuit.
The measured value of this measuring instrument shows by display circuit and can be equipped with printer interface confession printout etc.Bulletin in time when detecting bad battery cell for making, the micro computer CPU of this measuring instrument is provided with the warning output interface, this interface connects a hummer, group number under the concrete battery cell that shows in conjunction with display screen and in the numbering of this group, the staff can promptly orient the particular location of this bad battery.
In sum, this tester of battery parameter composition control and data centered by chip microprocessor Treatment system is to voltage, electric current, the environment temperature under the various states of the battery of monitored battery pack Measure and guard with the many kinds of parameters such as the internal resistance of cell, realize the computer that battery parameter is measured and monitored Change, have save time, accurately, the advantage such as reliable, be a kind of advanced person's tester of battery parameter device.
Claims (5)
1, a kind of full-computerized battery parameter measuring instrument, it is characterized in that this battery parameter measuring instrument comprises microprocessor, A/D change-over circuit, multi channel testing circuit, sample circuit, display circuit and keyboard, the multi channel testing circuit comprises multi channel testing control circuit and relay commutation circuit, the multi channel testing control circuit chooses code translator (4-16 line code translator 74L5S154) to form by a group control code translator (4-16 line code translator 74LS154) and at least one monomer, the sheet choosing end of composition control code translator (
Cs) control address input end (ADD by an output terminal of little processing I/O interface 8255 (2)
0) connect the corresponding parallel port of I/O interface, output terminal connect monomer choose the sheet choosing end of code translator (
Cs), monomer is chosen the address input end (ADD of code translator
1) connect the corresponding parallel interface of another one of I/O interface, monomer chooses the output terminal (Yi) of code translator to connect two contact relay coil one ends, two contact one ends of relay connect battery-end respectively, and the other end links to each other with the input end of analog signal of A/D converter (7109).
2, full-computerized battery parameter measuring instrument according to claim 1 is characterized in that two contact relays are dry-reed relay groups, and an end of two tongue tubes connects the positive and negative terminal of battery respectively, and the other end links to each other with the simulating signal end of A/D converter respectively.
3, full-computerized battery parameter measuring instrument according to claim 1, it is characterized in that also comprising D/A change-over circuit and discharge execution control circuit, battery discharge D/A change-over circuit is by several reversers (40106), high resistant transport and placing device (5532) and T shape resistance decoding network constitute, the input end of each reverser connects the delivery outlet (PA) of I/O interface (8255 (2)) respectively, the output termination T shape resistance decoding network of reverser, the input end of the output termination high resistance operating amplifier of T shape resistance decoding network, voltage control quantity of output terminal output of high resistance operating amplifier, this controlled quentity controlled variable is through a reed switch relay group (J
1) deliver to the ictr end of discharge executive circuit, discharge is carried out and control circuit comprises that the discharge control that integrated package (NE555) and peripheral resistance thereof, electric capacity are formed is connected with the PC mouth of microprocessor I/O interface (8255 (2)) after photoelectrical coupler (OPE) isolation with delay switching circuit, integrated package (NE555) input port (4 end), the NE555 output terminal is by diode D, the negative input end of concatenation operation amplifier (358 (2)), the grid of the output termination field effect transistor (M) of operational amplifier (358 (2)), field effect transistor output terminal (OUT
1, OUT
2) be attempted by in the electric battery loop.
4, full-computerized battery parameter measuring instrument according to claim 1 is characterized in that being provided with a hardware watchdog circuit, and this circuit comprises differentiating circuit (R
29, C
5But) zero clearing self-oscillation binary counting frequency divider (4060), differentiating circuit (R
52, C
7) and transistor switching circuit (TR
1).Differentiating circuit (R
29, C
5) connection frequency divider 4060RST end, frequency divider Q
12End and differentiating circuit (R
82, C
7) input end connect differentiating circuit R
32, C
7Output terminal connect transistor switching circuit input end, the output termination microprocessor reset terminal (RST) of on-off circuit.
5, full-computerized battery parameter measuring instrument according to claim 1 is characterized in that being provided with the power down protection circuit of a RAM, and this circuit comprises stabilivolt (WY
3), triode (9014) and AND circuit (74LS32), the anode of stabilivolt connects the base stage (b) of triode, the collector of triode (c) joins with an input end (d) of AND circuit, the control end (P of the little processing of another input termination of AND circuit
1.2), the output terminal (XT of AND circuit
o) connecing the cs sheet choosing end of RAM (62256), the negative pole of stabilivolt connects operating voltage (Vcc).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95229831 CN2272141Y (en) | 1995-12-29 | 1995-12-29 | Computerized tester of battery parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95229831 CN2272141Y (en) | 1995-12-29 | 1995-12-29 | Computerized tester of battery parameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2272141Y true CN2272141Y (en) | 1998-01-07 |
Family
ID=33874855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95229831 Expired - Lifetime CN2272141Y (en) | 1995-12-29 | 1995-12-29 | Computerized tester of battery parameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2272141Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324911C (en) * | 2004-01-14 | 2007-07-04 | 中兴通讯股份有限公司 | Test apparatus and test method for isolation between antennas of wireless co-frequency direct amplifying station |
| CN101846728A (en) * | 2010-05-31 | 2010-09-29 | 重庆长安汽车股份有限公司 | Incoming inspection device of power battery for hybrid electric vehicle and inspection method |
| CN102116847A (en) * | 2011-01-19 | 2011-07-06 | 湖南科力远新能源股份有限公司 | Single battery performance parameter acquisition system for battery pack |
| CN103941094A (en) * | 2014-01-16 | 2014-07-23 | 深圳市金宏威技术股份有限公司 | Internal-resistance acquisition device for valve-regulated lead acid storage batteries |
| CN105158573A (en) * | 2015-09-10 | 2015-12-16 | 北京动力源科技股份有限公司 | Battery internal resistance detection circuit and battery internal resistance detection method and apparatus |
| CN106597310A (en) * | 2016-12-20 | 2017-04-26 | 上海理工大学 | Battery screening device |
| CN106646255A (en) * | 2016-12-15 | 2017-05-10 | 中国神华能源股份有限公司 | Battery pack inspection device |
-
1995
- 1995-12-29 CN CN 95229831 patent/CN2272141Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324911C (en) * | 2004-01-14 | 2007-07-04 | 中兴通讯股份有限公司 | Test apparatus and test method for isolation between antennas of wireless co-frequency direct amplifying station |
| CN101846728A (en) * | 2010-05-31 | 2010-09-29 | 重庆长安汽车股份有限公司 | Incoming inspection device of power battery for hybrid electric vehicle and inspection method |
| CN101846728B (en) * | 2010-05-31 | 2013-04-03 | 重庆长安汽车股份有限公司 | Incoming inspection device of power battery for hybrid electric vehicle and inspection method |
| CN102116847A (en) * | 2011-01-19 | 2011-07-06 | 湖南科力远新能源股份有限公司 | Single battery performance parameter acquisition system for battery pack |
| CN103941094A (en) * | 2014-01-16 | 2014-07-23 | 深圳市金宏威技术股份有限公司 | Internal-resistance acquisition device for valve-regulated lead acid storage batteries |
| CN105158573A (en) * | 2015-09-10 | 2015-12-16 | 北京动力源科技股份有限公司 | Battery internal resistance detection circuit and battery internal resistance detection method and apparatus |
| CN105158573B (en) * | 2015-09-10 | 2018-09-14 | 北京动力源科技股份有限公司 | A kind of battery pack internal resistance detection circuit and battery pack internal resistance detection method and device |
| CN106646255A (en) * | 2016-12-15 | 2017-05-10 | 中国神华能源股份有限公司 | Battery pack inspection device |
| CN106597310A (en) * | 2016-12-20 | 2017-04-26 | 上海理工大学 | Battery screening device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108761205B (en) | Cable path and insulation testing method and tester | |
| CN107656467A (en) | A kind of method based on Internet of Things Distribution Management System and its on-line monitoring | |
| CN201732120U (en) | Power consumption information collecting and monitoring system in base station | |
| CN2272141Y (en) | Computerized tester of battery parameter | |
| CN106787172A (en) | A kind of distribution power automation terminal various dimensions state integrated monitoring | |
| CN105510833A (en) | Storage battery health status detection method, device and system | |
| CN209879509U (en) | Digital twin simulation device and digital twin simulation system | |
| CN113595246B (en) | Micro-grid state online monitoring method and device, computer equipment and storage medium | |
| CN1480741A (en) | Device for monitoring operating voltage of each cell in fuel cells and making safety alarming as well as its method | |
| CN112505553A (en) | Online monitoring system for lead-acid storage battery | |
| CN210243820U (en) | Gateway electric energy metering device on-line monitoring system for branch routing inspection | |
| CN2336506Y (en) | Control device for charger | |
| CN203365573U (en) | Electric power parameter monitoring device for intelligent electrical network | |
| CN107807325A (en) | Based on the theoretical railway track circuit reliability analysis system of multimode and its method | |
| CN210379274U (en) | Voltage acquisition monitoring device of all-vanadium redox flow battery | |
| CN2572415Y (en) | Device of work voltage monitoring and safety alarm of individual cell of fuel battery | |
| CN207819486U (en) | A kind of autonomous activation of terminal Ni-MH battery, management of charging and discharging system | |
| CN112147409A (en) | Online impedance detection method and device for low-voltage distribution line | |
| CN101256208A (en) | Voltage measurement display device | |
| CN212275868U (en) | Terminal data acquisition module | |
| CN111289912A (en) | Method and device for testing internal resistance of storage battery by dynamic charging method | |
| CN104849596A (en) | Current protection actuation time test device and method and relay protection test system | |
| CN206147298U (en) | Power detecting instrument | |
| CN216052087U (en) | Wide-range current detection circuit and power supply | |
| CN2064068U (en) | Digital display metering installation for accumulator capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |