CN201122646Y - Accumulator with checking device - Google Patents
Accumulator with checking device Download PDFInfo
- Publication number
- CN201122646Y CN201122646Y CNU2007200880929U CN200720088092U CN201122646Y CN 201122646 Y CN201122646 Y CN 201122646Y CN U2007200880929 U CNU2007200880929 U CN U2007200880929U CN 200720088092 U CN200720088092 U CN 200720088092U CN 201122646 Y CN201122646 Y CN 201122646Y
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- China
- Prior art keywords
- storage battery
- measuring
- controlling device
- microprocessor
- strain beam
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a storage battery equipped with a detecting and control device, and belongs to the technical field of the storage battery and electrical measurement. The storage battery comprises a storage battery and a detecting and control device, wherein the detecting and control device comprises a casing body, a positioning seat on the lower part of the casing is connected with the storage battery; the inside of the casing body comprises a control circuit board, a stepping motor for lifting the float, and a sensor component which comprises a density sensor and a temperature sensor; the control circuit board comprises a signal adjuster, a microprocessor, a CAN communication buffer circuit, a drive circuit, and a booster circuit; the density sensor is connected with the microprocessor through the signal adjuster; the stepping motor is connected with the microprocessor through a drive circuit. The storage battery has the advantages that the structure is simple, the detection and the control of the density, the temperature, the voltage, and the liquid level of the acid solution can be continuously performed on line, the storage battery is also equipped with self-diagnosis and online calibration functions, the working efficiency is high, the detecting and control is stable, reliable, and the service life is long.
Description
Technical field
The utility model relates to a kind of storage battery with measuring and controlling device, belongs to storage battery and electric measuring instrument technical field.
Background technology
The storage battery of prior art wherein to the related device complex structure of the detection and the control of acid solution density, temperature, liquid level, and can not onlinely continuously carry out, more can not on-line calibration, also there are certain stability and integrity problem.As: the detection of the lead acid accumulator acid solution density of prior art and control method and related device adopt method and devices thereof such as graduated cylinder method, oscillating tube method, pressure differential method usually.Wherein, graduated cylinder method, vibrating tube method are difficult to realize the measurement of density on-line continuous, and pressure differential method then is subjected to the restriction in space when measuring lead acid accumulator density.The corresponding measuring and controlling device of above-mentioned prior art scheme also exist in the analog operation mode the time float, operating efficiency and stability and integrity problems such as temperature is floated, manual calibration, therefore, be difficult to realize lead acid accumulator density online detection and control, calibration, self diagnosis, influence stable, the safety of storage battery, efficient use.
Summary of the invention
The purpose of this utility model is, overcome the shortcoming of prior art, a kind of storage battery with measuring and controlling device is provided, it is simple in structure, make the detection of acid solution density, temperature, voltage, liquid level of storage battery and control online carrying out continuously, also have self diagnosis and on-line calibration function, and high efficiency, detect control stabilization, reliable, long service life.
The technical solution of the utility model is: a kind of storage battery with measuring and controlling device, and it is made up of storage battery and measuring and controlling device, and measuring and controlling device comprises a housing, and the positioning seat of this lower housing portion is connected with storage battery; The inside of described housing comprises that a control circuit board, one are used to promote the stepping motor of float, also have a sensor cluster that is used to gather primary signal: it includes density sensor, temperature sensor; Control circuit board comprises signal conditioner, microprocessor, CAN communication buffer circuit, drive circuit, booster circuit; Density sensor is connected with microprocessor by signal conditioner; Stepping motor is connected with microprocessor by drive circuit.
Above-mentioned additional technical characterictic with battery technology scheme of measuring and controlling device is:
Described measuring and controlling device also has a liquid level sensor, voltage connector.
Described density sensor is the pressure bridge joint transducer of float method, is used for its signal converted to through signal conditioner and A/D sending into microprocessor after the digital signal corresponding and handling.
Described liquid level sensor is the float-ball type transducer, and output switching value signal carries out the warning of upper and lower liquid level to microprocessor.
Described temperature sensor is a digital transducer, passes through I
2The C bus links to each other with microprocessor; The centralized control unit of module is the ARM chip in the described control circuit board.
Described booster circuit initial voltage is 1.0V～3.0V battery tension, boosts to be the required 5V of circuit, 12V, 3.3V, 1.8V voltage.
Described signal conditioner is one and has amplified analog signal, and, be used to avoid manual fine-tuning and guarantee stability for a long time for zero point, measuring range, null offset, measuring range drift and linearity error provide the programmable analog signal conditioner of digital calibration.
Described density sensor, it includes strain beam, and this strain beam satisfies following condition:
Along with the test specimen stress deformation, resistance value is changed, and resistance variations is proportional with the test specimen strain stress, formula is:
The voltage reference of described strain beam is the driving voltage of the reference voltage output end of digitized signal adjuster; This driving voltage is 2～3V, along with the operating state of strain beam adapts to adjusting automatically.
Technique effect of the present utility model is:
1, to the detection and continuous online the carrying out of control energy of the acid solution density in the storage battery, temperature, voltage, liquid level, also has self diagnosis and on-line calibration function; Adopt storage battery power supply, CAN network service, reduced electric connecting relation, improved fail safe, reliability, high efficiency, detect control stabilization, reliable;
2, simple in structure, be easy to manufacturing and installation, convenient for maintaining, manufacturing and operating cost are low;
3, by the employing of digitlization output programmable analog signal conditioner, stepping motor, CPU, improved the certainty of measurement of density sensor greatly, reduced the measure error that various drifts bring;
4, when 6 intelligent objects are installed on the storage battery, storage battery circulation in 24 hours discharges and recharges, and through the continuous operation operation of half a year, the each side index is better than prior art products greatly.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings
Fig. 1 is Fig. 2 A-A cut-away enlarged view with storage battery of measuring and controlling device of the present utility model;
Fig. 2 is the vertical view that the utlity model has the storage battery of measuring and controlling device;
Fig. 3 is the schematic block circuit diagram that the utlity model has the storage battery of measuring and controlling device;
Embodiment
As shown in Figure 1, 2, 3, a kind of storage battery with measuring and controlling device, it is made up of storage battery 101 and measuring and controlling device 102; Measuring and controlling device 102 has a housing 1, and the positioning seat 2 of this housing 1 bottom is connected with storage battery 101; 1 fen upper shell of housing and lower house two parts, case material adopts the ABS injection molded, and good looking appearance is durable, because operational environment is a sour environment, adopts full acid-proof plastic casing; The utility model device also has liquid level sensor 3, and voltage connector 4, this voltage connector 4 are the voltage forks with conductor wire, also can be binding post; The positioning seat 2 that is connected with tested storage battery is arranged at housing 1 bottom, and described connection is that screw thread is fixedly connected; The inside of housing 1 have a control circuit board 5, one be used to promote float stepping motor 6, also have a sensor cluster that is used to gather primary signal; After circuit board is installed on the housing, baffle plate is installed again is used for circuit board is implemented protection (anti-acid mist); Sensor cluster has density sensor 7, temperature sensor 8; Control circuit board 5 has signal conditioner 9, microprocessor 10, CAN communication buffer circuit 11, drive circuit 12, booster circuit 13; All sensor signals are all delivered to circuit board 5 and are unified processing, send by the CAN mouth then; Density sensor 7 is connected with microprocessor 10 by signal conditioner 9; Stepping motor 6 is connected with microprocessor 10 by drive circuit 12.Density sensor 7 is the pressure bridge joint transducer of float method, is used for its signal converted to through signal conditioner 9 and A/D sending into microprocessor 10 after the digital signal corresponding and handling; The density sensor signal is come by the signal variation sensing of strain beam, and stepping motor then is the float according to the lifting strain beam between the not timing of ARM chip controls, eliminates bubble and impurity on the float, to improve certainty of measurement.Liquid level sensor 3 is the float-ball type transducer, and output switching value signal to microprocessor 10 carries out the warning of upper and lower liquid level.Temperature sensor 8 is a digital transducer, passes through I
2The C bus links to each other with microprocessor 10; The centralized control unit of module is the ARM chip in the control circuit board 5.Booster circuit 13 initial voltages are 1.0V～3.0V battery tensions, boost to be the required 5V of circuit, 12V, 3.3V, 1.8V voltage.Signal conditioner 9 is one and has amplified analog signal, and, be used to avoid manual fine-tuning and guarantee stability for a long time for zero point, measuring range, null offset, measuring range drift and linearity error provide the programmable analog signal conditioner of digital calibration.Density sensor strain beam resistance variations is proportional with the test specimen strain stress, and formula is:
In the formula: b is the strain beam width, and h is a strain beam thickness, and E is the strain beam material, and L is a strain beam length, and F is a buoyancy, and ε is strain.
Wherein b=10mm h=0.25mm E=105GPa L=50mm F=98mN then obtains ε=448 μ m/m;
The voltage reference of strain beam is the driving voltage of the reference voltage output end of digitized signal adjuster 9; Driving voltage is 2, and also desirable 3V is generally 2.5V, along with the operating state of strain beam adapts to adjusting automatically.
The Detection ﹠ Controling step of the utility model storage battery is:
1), connection device: described device voltage connector 4 is received on the positive and negative electrode of storage battery, and connect a display by the CAN mouth;
2), determine parameter area: determine tested storage battery detected parameters scope:
A), the monoblock battery magnitude of voltage is 0V～3V, precision is ± 1% full scale;
B), electrolyte temperature is: 0 ℃～60 ℃, precision is: ± 1 ℃;
C), density of electrolyte is: 1.000g/cm
3～1.350g/cm
3, precision ± 0.010g/cm
3
3) calibration parameter value, its step is as follows:
A, selection " parameter modification " item, the input password;
B, selection " calibration curve ", select the battery number of required calibration;
C, input calibration parameter;
The wherein calibration of density: when intelligent object is first use and the Density Detection value overproof after, need are at the enterprising line density on-line calibration of display;
4), confirm or return:, then abandon calibration operation as if " returning " if " affirmations " then finishes calibration operation.
The utility model rights protection scope is not limited to the foregoing description.
Claims (9)
1, a kind of storage battery with measuring and controlling device, it is made up of storage battery (101) and measuring and controlling device (102), it is characterized in that, and measuring and controlling device (102) comprises a housing (1), and the positioning seat (2) of this housing (1) bottom is connected with storage battery (101); The inside of housing (1) comprises that a control circuit board (5), one are used to promote the stepping motor (6) of float, also have a sensor cluster that is used to gather primary signal: it comprises density sensor (7), temperature sensor (8); Control circuit board (5) comprises signal conditioner (9), microprocessor (10), CAN communication buffer circuit (11), drive circuit (12), booster circuit (13); Density sensor (7) is connected with microprocessor (10) by signal conditioner (9); Stepping motor (6) is connected with microprocessor (10) by drive circuit (12).
2, the storage battery with measuring and controlling device according to claim 1 is characterized in that, described measuring and controlling device (102) also has a liquid level sensor (3), voltage connector (4).
3, the storage battery with measuring and controlling device according to claim 1, it is characterized in that, described density sensor (7) is the pressure bridge joint transducer of float method, is used for its signal converted to through signal conditioner (9) and A/D sending into microprocessor (10) after the digital signal corresponding and handling.
4, the storage battery with measuring and controlling device according to claim 2 is characterized in that, described liquid level sensor (3) is the float-ball type transducer, and output switching value signal to microprocessor (10) carries out the warning of upper and lower liquid level.
5, the storage battery with measuring and controlling device according to claim 1 is characterized in that, described temperature sensor (8) is a digital transducer, passes through I
2The C bus links to each other with microprocessor (10); The centralized control unit of module is the ARM chip in the described control circuit board (5).
6, the storage battery with measuring and controlling device according to claim 1 is characterized in that, described booster circuit (13) initial voltage is 1.0V～3.0V battery tension, boosts to be the required 5V of circuit, 12V, 3.3V, 1.8V voltage.
7, the storage battery with measuring and controlling device according to claim 1, it is characterized in that, described signal conditioner (9) is one and has amplified analog signal, and, be used to avoid manual fine-tuning and guarantee stability for a long time for zero point, measuring range, null offset, measuring range drift and linearity error provide the programmable analog signal conditioner of digital calibration.
8, the storage battery with measuring and controlling device according to claim 1 is characterized in that, described density sensor includes strain beam, this strain beam satisfies following condition: along with the test specimen stress deformation, resistance value is changed, and resistance variations is proportional with the test specimen strain stress, formula is:
9, the storage battery with measuring and controlling device according to claim 8 is characterized in that, the voltage reference of described strain beam is the driving voltage of the reference voltage output end of digitized signal adjuster (9); Described driving voltage is 2～3V, along with the operating state of strain beam adapts to adjusting automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880929U CN201122646Y (en) | 2007-11-09 | 2007-11-09 | Accumulator with checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880929U CN201122646Y (en) | 2007-11-09 | 2007-11-09 | Accumulator with checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122646Y true CN201122646Y (en) | 2008-09-24 |
Family
ID=40009886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200880929U Expired - Fee Related CN201122646Y (en) | 2007-11-09 | 2007-11-09 | Accumulator with checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122646Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022238A (en) * | 2014-01-28 | 2014-09-03 | 柳州柳工叉车有限公司 | Buffer soaking device of storage battery group |
| CN104124485A (en) * | 2014-07-08 | 2014-10-29 | 国家电网公司 | Storage battery measurement signal purification device |
| CN107957554A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | Accumulator of electric car life tests system |
-
2007
- 2007-11-09 CN CNU2007200880929U patent/CN201122646Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022238A (en) * | 2014-01-28 | 2014-09-03 | 柳州柳工叉车有限公司 | Buffer soaking device of storage battery group |
| CN104124485A (en) * | 2014-07-08 | 2014-10-29 | 国家电网公司 | Storage battery measurement signal purification device |
| CN107957554A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | Accumulator of electric car life tests system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20131109 |