CN105738832A - Storage battery low-temperature characteristic tester - Google Patents
Storage battery low-temperature characteristic tester Download PDFInfo
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- CN105738832A CN105738832A CN201610269741.9A CN201610269741A CN105738832A CN 105738832 A CN105738832 A CN 105738832A CN 201610269741 A CN201610269741 A CN 201610269741A CN 105738832 A CN105738832 A CN 105738832A
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- signal
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- voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
A storage battery low-temperature characteristic tester relates to storage battery testing technology. The storage battery low-temperature characteristic tester settles the problems of large size and small application range in an existing storage battery. A voltage measuring system is connected with a computer control system. A liquid crystal display system is connected with the computer control system. A keyboard system is connected with the computer control system. A temperature measuring system is connected with the computer control system. A current measuring system is connected with the computer control system. The computer control system is connected with a load control system. The load control system is connected with an electronic load system. The output end of the computer control system is connected with the input end of a temperature control system. The output end of the temperature control system is connected with the input end of a power protecting system. The output end of the power protecting system is connected with the input end of the electronic load system. The storage battery low-temperature characteristic tester has beneficial effects of smaller size of the tester, higher portability and wider application range. The storage battery low-temperature characteristic tester is suitable for low-temperature characteristic testing of the storage battery.
Description
Technical field
The present invention relates to accumulator testing technology, particularly to the measuring technology of battery low-temperature characteristics.
Background technology
The low-temperature characteristics of accumulator includes starting current, terminal voltage etc.；Winter or in cold area, automobile engine cannot start, it is simply that cause because accumulator cold-starting electric current is too small；Therefore, the test for the low-temperature characteristics of accumulator is most important.When starting current is tested by the low-temperature characteristics tester of existing accumulator, need cryostat, high-power electronic load, D.C. high-current test instrunment, voltage tester instrument etc., cryostat is for depositing tested accumulator, keep the low temperature environment of tested accumulator, maximum current is at least up to 900A, such instrument not only volume is big, weight big, and price is high especially, and inconvenient operation, portability are bad；The low-temperature characteristics tester of existing accumulator can only use in certain temperature range, existing D.C. high-current test instrunment, voltage tester instrument can affect the accuracy of test when temperature is too low, therefore, the low-temperature characteristics of accumulator can only be tested at laboratory.So, it is impossible to meet the demand of manufacturing enterprise, it is impossible to as the standard of accumulator quality inspection and storage battery production enterprise.
Summary of the invention
The invention aims to solve the test problem that device volume is big, the scope of application is little of existing accumulator, it is proposed to a kind of accumulator low-temperature characteristics tester.
Accumulator low-temperature characteristics tester of the present invention includes computer control system, voltage measurement system, temperature measurement system, current measurement system, load control system, electronic load system, liquid crystal display systems, temperature control system, power level safety system and keyboard system；
The voltage measurement signal outfan of described voltage measurement system is connected with the voltage measurement signal input of computer control system；
The display signal input part of described liquid crystal display systems is connected with the display signal output part of computer control system；
The control signal outfan of described keyboard system is connected with the control signal input of computer control system；
The temperature measurement signal outfan of described temperature measurement system is connected with the temperature measurement signal input of computer control system；
The current measurement signal outfan of described current measurement system is connected with the current measurement signal input of computer control system；
The load control signal input of described computer control system is connected with the load control signal input of load control system；The electronic load control signal outfan of load control system is connected with the electronic load control signal input of electronic load system；
The temperature control signals outfan of described computer control system is connected with the temperature control signals input of temperature control system；The temperature control signals outfan of temperature control system is connected with the temperature control signals input of power level safety system, and the power protection signal output part of power level safety system protects signal input part to be connected with the power of electronic load system.
The operation principle of the present invention is: inputted the capacity of accumulator by keyboard system, the temperature information of accumulator is sent to computer control system by temperature measurement system, and is shown by liquid crystal display systems；Computer sends load control signal according to the temperature entering accumulator capacity and accumulator of input to load control system, load control system sends electronic load signal according to load control signal to electronic load system, and electronic load system is connected in accumulator according to the electronic load that electronic load signal behavior is suitable；Electronic load can produce starting current and terminal voltage after being connected to accumulator, and the starting current information of accumulator is transferred to computer control system by current measurement system, and is shown by liquid crystal display systems；The terminal voltage of accumulator is transferred to computer control system by voltage measurement system, and is shown by liquid crystal display systems；Computer control system controls power level safety system by temperature control system output temperature control signal, and then control electronic load system makes this accumulator low-temperature characteristics tester control in certain temperature range；Ensure that the use temperature of this accumulator low-temperature characteristics tester.
The invention has the beneficial effects as follows and current measurement system, voltage measurement system and electronic load concentrate on one, make more convenient operation, reducing the volume of test device, portable performance is better；Temperature measurement system controls the temperature within low-temperature characteristics tester of this accumulator so that it is the scope of application is wider, it is possible at this accumulator low-temperature characteristics tester of outdoor application；The cost of the low-temperature characteristics tester of this accumulator is low simultaneously.
The present invention tests suitable in the low-temperature characteristics of accumulator.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the accumulator low-temperature characteristics tester described in detailed description of the invention one；
Fig. 2 is the principle schematic of the current measurement system in detailed description of the invention two；
Fig. 3 is the principle schematic of the voltage measurement system in detailed description of the invention three；
Fig. 4 is the principle schematic of the accumulator low-temperature characteristics tester described in detailed description of the invention four.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described in conjunction with Fig. 1; accumulator low-temperature characteristics tester described in present embodiment, it includes computer control system 1, voltage measurement system 2, temperature measurement system 4, current measurement system 5, load control system 7, electronic load system 8, liquid crystal display systems 3, temperature control system 6, power level safety system 9 and keyboard system 10；
The voltage measurement signal outfan of described voltage measurement system 2 is connected with the voltage measurement signal input of computer control system 1；Voltage measurement system 2 is for measuring the terminal voltage of accumulator；
The display signal input part of described liquid crystal display systems 3 is connected with the display signal output part of computer control system 1；Display system 3 is for showing the starting current of accumulator, voltage and temperature；
The control signal outfan of described keyboard system 10 is connected with the control signal input of computer control system 1；Keyboard system 10 is for inputting the capacity of tested accumulator；
The temperature measurement signal outfan of described temperature measurement system 4 is connected with the temperature measurement signal input of computer control system 1；Temperature measurement system 4 is for measuring the temperature of accumulator；
The current measurement signal outfan of described current measurement system 5 is connected with the current measurement signal input of computer control system 1；Current measurement system 5 is for measuring the starting current of accumulator；
The load control signal input of described computer control system 1 is connected with the load control signal input of load control system 7；The electronic load control signal outfan of load control system 7 is connected with the electronic load control signal input of electronic load system 8；Load control system 7 accesses the resistance value of circuit for controlling electronic load system 8；Electronic load system 8 is for the resistance value suitable for accumulator offer；
The temperature control signals outfan of described computer control system 1 is connected with the temperature control signals input of temperature control system 6；The temperature control signals outfan of temperature control system 6 is connected with the temperature control signals input of power level safety system 9, and the power protection signal output part of power level safety system 9 protects signal input part to be connected with the power of electronic load system 8；Temperature control system 6 is for controlling this temperature within accumulator low-temperature characteristics tester；Power level safety system 9 is used for cutting off electronic load system 8.
Accumulator low-temperature characteristics tester described in present embodiment, test starting electric current range for 1A-1000A, degree of accuracy 0.1%；Test lead voltage range for 0V-100V, accuracy 0.1%；Temperature measurement range is subzero 50 DEG C-50 DEG C, accuracy 0.5 DEG C；Using temperature range is subzero 35 DEG C-35 DEG C；The maximum load current of electronic load system is 1000A, and load voltage ranges for: 6V-96V.
Detailed description of the invention two: present embodiment is described in conjunction with Fig. 2, present embodiment is that the accumulator low-temperature characteristics tester described in detailed description of the invention one is limited further, in the present embodiment, current measurement system 5 includes current sensor 5-1, signal adapter 5-2 and a digital signal transducer 5-3；
The current signal output end of current sensor 5-1 is connected with the current signal input of signal adapter 5-2；Current sensor 5-1 is for measuring the starting current of accumulator；The voltage signal inputs of the voltage signal output end of signal adapter 5-2 and a digital signal transducer 5-3 is connected；Signal adapter 5-2 is for converting the starting current that current sensor 5-1 measures to voltage signal；The digital signal output end of a number digital signal transducer 5-3 is the current measurement signal outfan of described current measurement system 5, a number digital signal transducer 5-3 is for being converted to digital signal by the voltage signal that signal adapter 5-2 exports, and is sent to computer control system 1.
Detailed description of the invention three: present embodiment is described in conjunction with Fig. 3, present embodiment is that the accumulator low-temperature characteristics tester described in detailed description of the invention one or two is limited further, in the present embodiment, voltage measurement system 2 includes voltage sensor 2-1, signal attenuator 2-2, isolated amplifier 2-3 and No. two digital signal transducer 2-4；
The voltage signal output end of described voltage sensor 2-1 is connected with the voltage signal inputs of signal attenuator 2-2, and voltage sensor 2-1 is for measuring the terminal voltage of accumulator；Signal attenuator 2-2 deamplification outfan is connected with the deamplification input of isolated amplifier 2-3, and signal attenuator 2-2 is for decaying to the voltage sensor 2-1 voltage signal measured；The amplification signal input part amplifying signal output part and No. two digital signal transducer 2-4 of isolated amplifier 2-3 is connected, and isolated amplifier 2-3 amplifies for the voltage signal that signal attenuator 2-2 decays is carried out isolation；The digital signal output end of No. two digital signal transducer 2-4 is the voltage measurement signal outfan of voltage measurement system 2, No. two digital signal transducer 2-4 are for being converted to digital signal by the voltage signal that isolated amplifier 2-3 amplifies, and are sent to computer control system 1.
Detailed description of the invention four: illustrating that present embodiment, present embodiment are that the accumulator low-temperature characteristics tester described in detailed description of the invention three is limited further in conjunction with Fig. 4, in the present embodiment, it also includes cooling system 11；
The radiated signal input of cooling system 11 is connected with the radiated signal outfan of temperature control system 6, and cooling system 11 is for dispelling the heat to this accumulator low-temperature characteristics tester；
Electronic load system 8 is owing to needing to absorb the electric current of battery, heat can be produced, when the internal temperature of this accumulator low-temperature characteristics tester is too high, the measurement of this accumulator low-temperature characteristics tester can be impacted, therefore, by cooling system 11, this accumulator low-temperature characteristics tester is dispelled the heat.
Detailed description of the invention five: present embodiment is that the accumulator low-temperature characteristics tester described in detailed description of the invention one is limited further; in the present embodiment; it also includes couveuse; described computer control system 1, voltage measurement system 2, temperature measurement system 4, current measurement system 5, load control system 7, electronic load system 8, temperature control system 6 and power level safety system 9 are placed in the inside of thermal-insulating body; thermal-insulating body plays the effect of insulation, makes this accumulator low-temperature characteristics tester have the bigger scope of application；
Liquid crystal display systems 3 and keyboard system 10 are fixed on the sidewall of thermal-insulating body, facilitate reading and carry out the capacity input of accumulator.
Claims (5)
1. accumulator low-temperature characteristics tester; it is characterized in that, it includes computer control system (1), voltage measurement system (2), temperature measurement system (4), current measurement system (5), load control system (7), electronic load system (8), liquid crystal display systems (3), temperature control system (6), power level safety system (9) and keyboard system (10)；
The voltage measurement signal outfan of described voltage measurement system (2) is connected with the voltage measurement signal input of computer control system (1)；
The display signal input part of described liquid crystal display systems (3) is connected with the display signal output part of computer control system (1)；
The control signal outfan of described keyboard system (10) is connected with the control signal input of computer control system (1)；
The temperature measurement signal outfan of described temperature measurement system (4) is connected with the temperature measurement signal input of computer control system (1)；
The current measurement signal outfan of described current measurement system (5) is connected with the current measurement signal input of computer control system (1)；
The load control signal input of described computer control system (1) is connected with the load control signal input of load control system (7)；The electronic load control signal outfan of load control system (7) is connected with the electronic load control signal input of electronic load system (8)；
The temperature control signals outfan of described computer control system (1) is connected with the temperature control signals input of temperature control system (6)；The temperature control signals outfan of temperature control system (6) is connected with the temperature control signals input of power level safety system (9), and the power protection signal output part of power level safety system (9) protects signal input part to be connected with the power of electronic load system (8).
2. accumulator low-temperature characteristics tester according to claim 1, it is characterized in that, current measurement system (5) includes current sensor (5-1), signal adapter (5-2) and a digital signal transducer (5-3)；
The current signal output end of current sensor (5-1) is connected with the current signal input of signal adapter (5-2)；The voltage signal output end of signal adapter (5-2) and the voltage signal inputs of a digital signal transducer (5-3) are connected；The digital signal output end of a number digital signal transducer (5-3) is the current measurement signal outfan of described current measurement system (5).
3. accumulator low-temperature characteristics tester according to claim 1 and 2, it is characterized in that, voltage measurement system (2) includes voltage sensor (2-1), signal attenuator (2-2), isolated amplifier (2-3) and No. two digital signal transducer (2-4)；
The voltage signal output end of described voltage sensor (2-1) is connected with the voltage signal inputs of signal attenuator (2-2), signal attenuator (2-2) deamplification outfan is connected with the deamplification input of isolated amplifier (2-3), the amplification signal output part of isolated amplifier (2-3) and the amplification signal input part of No. two digital signal transducer (2-4) are connected, and the digital signal output end of No. two digital signal transducer (2-4) is the voltage measurement signal outfan of voltage measurement system (2).
4. accumulator low-temperature characteristics tester according to claim 3, it is characterised in that it also includes cooling system (11)；
The radiated signal input of cooling system (11) is connected with the radiated signal outfan of temperature control system (6).
5. accumulator low-temperature characteristics tester according to claim 1; it is characterized in that; it also includes couveuse, and described computer control system (1), voltage measurement system (2), temperature measurement system (4), current measurement system (5), load control system (7), electronic load system (8), temperature control system (6) and power level safety system (9) are respectively positioned on the inside of thermal-insulating body；
Liquid crystal display systems (3) and keyboard system (10) are fixed on the sidewall of thermal-insulating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269741.9A CN105738832A (en) | 2016-04-27 | 2016-04-27 | Storage battery low-temperature characteristic tester |
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| CN201610269741.9A CN105738832A (en) | 2016-04-27 | 2016-04-27 | Storage battery low-temperature characteristic tester |
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Cited By (2)
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| CN108254622A (en) * | 2017-12-06 | 2018-07-06 | 上海超导科技股份有限公司 | High-temperature superconductor band test device and test method |
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Application publication date: 20160706 |