CN208384088U - A kind of battery simulation simulation test machine - Google Patents
A kind of battery simulation simulation test machine Download PDFInfo
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- CN208384088U CN208384088U CN201821043526.8U CN201821043526U CN208384088U CN 208384088 U CN208384088 U CN 208384088U CN 201821043526 U CN201821043526 U CN 201821043526U CN 208384088 U CN208384088 U CN 208384088U
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Abstract
A kind of battery simulation simulation test machine, including rack, the upper rack is equipped with analog testing box, heat-generating pipe is equipped in analog testing box, frame lower is equipped with the refrigeration unit freezed to analog testing box inside, thickness measure module is equipped in analog testing box, rack side is installed with vacuum pump and humidifier, vacuum pump and humidifier pass through pipeline respectively and connect with analog testing box, analog testing box side is installed with operation panel and acquisition module, and the ambient temperature measurement module being connect with the operation panel and acquisition module, internal temperature of battery measurement module, charge-discharge modules, AC and DC inner walkway module and voltage and current measurement module, thickness measure module is connect with operation panel and acquisition module, the door-plate for covering in analog testing box is hingedly installed in rack.What the utility model was capable of real-time synchronization carries out comprehensive measurement to battery, and various measurement parameters are established in the same coordinate system.
Description
Technical field
The utility model belongs to battery test apparatus field, specifically a kind of battery simulation simulation test machine.
Background technique
Lithium battery includes chargeable lithium electricity and not rechargeable lithium battery.Lithium ion battery is a kind of rechargeable battery, it leads
Relying on lithium ion, movement carrys out work between a positive electrode and a negative electrode.In charge and discharge process, Li+ is round-trip embedding between two electrodes
Enter and deintercalation.When charging, Li+ is embedded in cathode from positive deintercalation, by electrolyte, and cathode is in lithium-rich state；Then phase when electric discharge
Instead.Battery generally uses the material for containing elemental lithium as electrode, is the representative of modern high performance battery.
Rechargeable lithium battery is combined with answering for the diverse disciplines principle such as chemistry, physics, machinery, electronics, thermodynamics, material
Miscellaneous system, the input of various Small variables can all cause the nonlinear change of battery performance, so that the design and manufacture of battery, quality
It controls and uses method easily to go wrong, makes us impossible to guard against.
Rechargeable lithium battery there are problems that on fire from explosion, performance degradation risk and, and such case is in power lithium battery
It has got back in terms of pond amplification, has been the extremely challenging problem that electric car will put forth effort solution.It never builds in the industry
Vertical quantifying can verify that, the reliable and reproducible systemic theoretical model that can reduce this risk.
The exploitation of current battery and battery system repeatedly multiple batches of will be made into sample to verify design and processes, make
The situation high at design cost, battery performance is unstable；Even if being made into greatly with formula with the proportional amplification of battery of process system
Battery, performance are also completely different.
Current equipment detection inside battery parameter is all relatively simple, using the time as axis by charging and discharging currents, measure
It is formed between electric current, charging/discharging voltage, cell voltage, battery direct current resistance and internal resistance, these parameter inside of battery temperature real-time
Synchronous is interrelated, while the environment temperature with outside, and humidity, air pressure, wind speed do not form the mutual pass of real-time synchronization yet
Connection, will not be on the parameter integration in inside and outside portion to same detection device, on the same coordinate system.Different parameter testings needs
Different test equipments is used, equipment cost and human cost are increased.
In addition, current equipment carries out charge and discharge to battery or battery pack under analog temperature, humidity, air pressure or wind friction velocity
It when the operation and measurement of electricity, is deformed without the small expansion of synchro measure battery, so that formula, design, system in optimization battery
An important characterization parameter is lacked when making technique and use condition.And the prior art is when measuring battery temperature, and it is only right
Battery or battery pack carry out dotted measurement, and the measurement of full view is not carried out to battery or battery pack temperature.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of battery simulation simulation test machines, can be synchronously to electricity
Temperature, voltage, electric current, direct current and AC resistance, dilatancy in the charge and discharge process of pond etc. carry out real-time measurement, operation side
Just, various environment can be simulated, the comprehensive test of battery is met.
In order to solve the above-mentioned technical problem, the utility model takes following technical scheme:
A kind of battery simulation simulation test machine, including rack, the upper rack are equipped with analog testing box, analog testing box
Interior to be equipped with heat-generating pipe, frame lower is equipped with the refrigeration unit freezed to analog testing box inside, analog testing box side dress
Equipped with operation panel and acquisition module, and connect with the operation panel and acquisition module ambient temperature measurement module, battery
Inside temperature measurement module, charge-discharge modules, AC and DC inner walkway module, voltage and current measurement module, thickness measure
Module is connect with operation panel and acquisition module, and the door-plate for covering in analog testing box is hingedly installed in rack.
The thickness measure module for measuring battery sample deformation is equipped in the analog testing box.
The analog testing box is equipped with the thermal camera for Temperature Distribution field when obtaining battery charging and discharging.
The analog testing box side is installed with the visible light camera for obtaining battery charging and discharging situation.
The rack side is equipped with the vacuum pump connecting by pipeline with analog testing box.
The rack side is additionally provided with the humidifier connecting by pipeline with analog testing box.
Analog testing box side attaching has induced-draft fan, which is built-in with filter.
Explosion-proof decompression device is installed at the top of the analog testing box.
Exhaust blower is equipped in the module testing case, rack is equipped with the Wind-speed controller connecting with exhaust blower.
It is set with cabinet outside the rack, the cabinet and analog testing box form double-layer explosion-proof structure.
The utility model is made by simulating the environment such as high altitude low air pressure, humidity, temperature, wind speed in analog testing box
Battery is tested in all kinds of environment, can detect to real-time synchronization temperature of the battery under charge and discharge process and static condition
The data parameters such as degree, voltage, electric current, resistance, Temperature Distribution field, dilatancy establish reason convenient for transferring data in computer
By model, the design verification for completing rechargeable type lithium battery reaches battery and does not need to be made into sample after obtaining mass data,
The security performance and service performance of the Sample Cell can be predicted in computer.
It can carry out the test of the diaphragm closing function in rechargeable lithium battery.
Can the closing electric current of thermistor PTC to rechargeable lithium battery measure.
It can make each parameter such as solid content, positive and negative anodes active matter ratio, granularity, the compacted density, material hole in battery
Rate, structure design, manufacturing process, formula, environmental condition, use condition are equal to the voltage of battery, temperature, Temperature Distribution field, electricity
The parameters such as stream, direct current and AC internal Resistance, dilatancy, discharge platform, K value (self-discharge rate), capacity, cycle life are stringent, same
Step quantitatively, critically associates, and corresponding data model is established, to obtain the optimal design and processes parameter of battery.
Detailed description of the invention
Attached drawing 1 is the utility model test machine schematic perspective view；
Attached drawing 2 is that the utility model test machine removes the structural schematic diagram after cabinet；
Attached drawing 3 is the schematic front view of attached drawing 2；
Attached drawing 4 is another visual angle schematic diagram of attached drawing 2.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
As shown in attached drawing 1-4, a kind of battery simulation simulation test machine, including rack 2,2 top of rack are equipped with simulation
Test box 3, analog testing box 3 is interior to be equipped with heat-generating pipe 4, and 2 lower part of rack is equipped with to the refrigeration freezed inside analog testing box 3
Unit 5, analog testing box 3 is interior to be equipped with thickness measure module 6, and 2 side of rack is installed with vacuum pump 7 and humidifier 8, vacuum pump 7
It is connect respectively by pipeline with analog testing box 3 with humidifier 8,3 side of analog testing box is installed with operation panel and acquisition mould
Block 9, and connect with the operation panel and acquisition module 9 ambient temperature measurement module 10, internal temperature of battery measurement module
11, charge-discharge modules 12, inner walkway module 13 and voltage and current measurement module 14, thickness measure module 6 and operation panel and
Acquisition module 9 connects, and is hingedly installed with the door-plate 15 for covering in analog testing box 3 in rack 2.Thickness measure module 15 is laser
Sensor or touch sensor, positive and negative anodes are because of battery caused by lithium ion deintercalation when can accurately measure battery charging and discharging
The deflection of expand or shrink.Vacuum pump is evacuated, and is made the environment for forming high altitude low air pressure in analog testing box, generally may be used
Simulate the hypobaric of 8000 meters or less height above sea level.Refrigeration unit 5 includes being located at compressor 51, the cooling wind of 2 lower part of rack
Fan 53 and the evaporator 52 being located in analog testing box, evaporator are connect by pipeline with compressor.By evaporator, for simulation
Enough low temperature environments are provided in test box, and heat-generating pipe then can be with heat temperature raising.So that analog testing box in the utility model
It is interior to keep -70 DEG C -150 DEG C of temperature range, behaviour in service of the modular battery under various temperature environments.Environment temperature
Measurement module, internal temperature of battery measurement module, charge-discharge modules, inner walkway module, voltage and current measurement module and thickness
Measurement module, which synchronizes, to be acquired, and so as to ensure to collect various data in synchronization, is conducive to subsequent analysis, it is ensured that
The performance of battery.After covering door-plate, analog testing box forms the space environment of a relative closure.
Humidifier can be water tank, and heating tube is arranged in water tank, carries out humidification behaviour to analog testing box using flashes vapor
Make.
In addition, the analog testing box 3 is equipped with the infrared photography for Temperature Distribution field when obtaining battery charging and discharging
Machine 16.3 side of analog testing box is installed with the visible light camera 17 for obtaining battery charging and discharging situation.Pass through infrared photography
Machine can get the profiling temperatures at each position when the charge and discharge of battery under various environmental conditions in real time, be convenient for
The behavior pattern of battery is checked in analysis.Thermal camera can according to need the suitable position setting of selection, in the present embodiment,
Thermal camera is arranged in the top of analog testing box, towards analog testing box inside photographing, obtains battery in charge and discharge
Temperature Distribution field in journey,
The 3 side attaching of analog testing box has induced-draft fan 18, which is built-in with filter.When battery is overcharging
On fire/formation smog is generated when electricity/overdischarge, is discharged by induced-draft fan filter, and flue gas is filtered by filter, avoids being discharged
Flue gas atmosphere is caused more to pollute.
In order to further improve the security, the top of analog testing box 3 is installed with explosion-proof decompression device 19, the explosion-proof relief
Device is that may turn on the structure for discharging pressed gas by larger pressure, is the common pressure release knot of those skilled in the art
Structure.By the explosion-proof decompression device, pressure is cut down explosion time occurs, avoids serious explosion, pressure release later can be automatic
Restore.Protection cap 20 is also capped on explosion-proof decompression device 19, protection cap is equipped with venthole, both will not influence explosion-proof relief
The normal operation of device, and the protective effect to explosion-proof decompression device can be played.Work as explosion time, door-plate understands automatic spring, from
The open end of analog testing box can also play the role of pressure release.
Exhaust blower is equipped in the module testing case 3, rack is equipped with the Wind-speed controller connecting with exhaust blower, utilizes row
Blower blowing makes to generate flowing gas, the environmental condition of simulated battery at different wind speeds in analog testing box.
For thickness measure module, a settable bracket supports laser sensor or touch sensor, from
And constitute thickness measure module.
In addition, being set with cabinet 1 outside the rack 2, the cabinet and analog testing box form double-layer explosion-proof structure.
Using vacuum pump, humidifier, exhaust blower, refrigeration unit and heat-generating pipe, under the Different Altitude that needs can be simulated
Air pressure conditions, humidity (20% to 98% relative humidity), wind speed and temperature environment so that battery sample to be tested is different
Abundant simulation test is obtained under environment, the data transmission that test is obtained can establish corresponding theory to computer in computer
The design verification of rechargeable lithium battery can be completed in model, reaches battery and does not need to be made into sample progress entity use test,
The security performance and service performance of the Sample Cell can be predicted in computer.And due to being synchronous real-time detection, institute's measured data
It can show, export and protect automatically using the time as the synchronous curve of function axis, table and database mode in the same coordinate system
It deposits, ensure that all data all is measured on same timing node, it is ensured that the reliability of data.Moreover, because can simulate
Various environment are able to carry out the test of the diaphragm closing function in rechargeable lithium battery, and the temperature-sensitive to rechargeable lithium battery
The closing electric current of resistance PTC measures, easy to operate.
Concrete operations can are as follows:
Battery sample is placed in analog testing box, using thickness measure module alignment battery sample, operation panel and
The gathering line of acquisition module is connect with battery sample, and captured in real-time battery is respectively started in infrared pick-up machine and visible light camera
Sample image dries into analog testing box according to imposing a condition or does not dry, and makes to form default height above sea level in analog testing box
Height low pressure, temperature and wind speed parameter.Thickness measure module is used to measure expansion of the battery sample in charge and discharge process and becomes
Shape.
Start vacuum pump pumping, air pressure is made down to setting atmospheric pressure value using refrigeration unit and heat-generating pipe in analog testing box
It heats up in analog testing box by setting heating rate and is maintained at -70 DEG C -150 DEG C sections, battery is carried out according to preset condition
Charging, electric discharge or the operation stood.
Acquired by gathering line real-time synchronization voltage of sample during charging, electric discharge and standing, electric current, direct current and
AC internal Resistance, charge and discharge slope, charge and discharge platform voltage, capacity, self-discharge rate (K value), cycle life, temperature, deformation data
With the data information of Temperature Distribution field, data information is sent to remote monitoring end and shows and is automatically saved in controlling terminal,
By each data information establish in the same coordinate system, using the time be the synchronous curve of function axis, table and database mode oneself
Dynamic display, output and preservation.
Or another environment:
Battery sample is placed in analog testing box, using thickness measure module alignment battery sample, operation panel and
The gathering line of acquisition module is connect with battery sample, and captured in real-time battery is respectively started in infrared pick-up machine and visible light camera
Sample image dries into analog testing box according to imposing a condition or does not dry, make to be formed in analog testing box default humidity,
Temperature and wind speed parameter.
Start humidifier and wet operations are carried out to analog testing box, the humidity in analog testing box is made to reach default humidity
Value, the heating rate for setting the temperature in analog testing box using refrigeration unit and heat-generating pipe are simultaneously maintained at -70 DEG C -150
DEG C section, the operation for charging the battery, discharging or standing according to preset condition.
Voltage, electric current, charge and discharge of the sample during charging, electric discharge and standing are acquired by gathering line real-time synchronization
Slope, direct current and AC internal Resistance, temperature, charge and discharge platform voltage, capacity, self-discharge rate (K value), cycle life, deformation data
With the data information of Temperature Distribution field, data information is sent to remote monitoring end and shows and is automatically saved in controlling terminal,
By each data information establish in the same coordinate system, using the time be the synchronous curve of function axis, table and database mode oneself
Dynamic display, output and preservation.
It should be noted that it is practical new to be not limited to this above is only the preferred embodiment of the utility model
Type, although the utility model is described in detail referring to embodiment, for those skilled in the art, still
It can modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features,
But within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in
Within the protection scope of the utility model.
Claims (10)
1. a kind of battery simulation simulation test machine, including rack, which is characterized in that the upper rack is equipped with analog testing box,
Heat-generating pipe is equipped in analog testing box, frame lower is equipped with the refrigeration unit freezed to analog testing box inside, and simulation is surveyed
Examination case side is installed with operation panel and acquisition module, and the ambient temperature measurement connecting with the operation panel and acquisition module
Module, internal temperature of battery measurement module, charge-discharge modules, AC and DC inner walkway module, voltage and current measurement module,
Thickness measure module is connect with operation panel and acquisition module, and the door-plate for covering in analog testing box is hingedly installed in rack.
2. battery simulation simulation test machine according to claim 1, which is characterized in that be equipped with and use in the analog testing box
In the thickness measure module of measurement battery sample deformation.
3. battery simulation simulation test machine according to claim 2, which is characterized in that the analog testing box, which is equipped with, to be used
The thermal camera of Temperature Distribution field when obtaining battery charging and discharging.
4. battery simulation simulation test machine according to claim 3, which is characterized in that the analog testing box side installing
There is the visible light camera for obtaining battery charging and discharging situation.
5. battery simulation simulation test machine according to claim 4, which is characterized in that the rack side, which is equipped with, passes through pipe
The vacuum pump that road is connect with analog testing box.
6. battery simulation simulation test machine according to claim 5, which is characterized in that the rack side, which is additionally provided with, to be passed through
The humidifier that pipeline is connect with analog testing box.
7. battery simulation simulation test machine according to claim 6, which is characterized in that analog testing box side attaching
There is induced-draft fan, which is built-in with filter.
8. battery simulation simulation test machine according to claim 7, which is characterized in that the top of the analog testing box fills
Equipped with explosion-proof decompression device.
9. battery simulation simulation test machine according to claim 8, which is characterized in that the row of being equipped in the module testing case
Blower, rack are equipped with the Wind-speed controller connecting with exhaust blower.
10. battery simulation simulation test machine according to claim 9, which is characterized in that it is set with cabinet outside the rack,
The cabinet and analog testing box form double-layer explosion-proof structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821043526.8U CN208384088U (en) | 2018-07-03 | 2018-07-03 | A kind of battery simulation simulation test machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821043526.8U CN208384088U (en) | 2018-07-03 | 2018-07-03 | A kind of battery simulation simulation test machine |
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| CN208384088U true CN208384088U (en) | 2019-01-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646195A (en) * | 2018-07-03 | 2018-10-12 | 东莞百瑞自动化有限公司 | A kind of battery simulation simulation test machine and its control method |
| CN109945910A (en) * | 2019-02-23 | 2019-06-28 | 深圳天溯计量检测股份有限公司 | A kind of upper low testing machine and its assessment method |
| CN115144037A (en) * | 2022-08-30 | 2022-10-04 | 苏州时代华景新能源有限公司 | Safety monitoring method and system for explosion-proof performance of lithium battery |
-
2018
- 2018-07-03 CN CN201821043526.8U patent/CN208384088U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646195A (en) * | 2018-07-03 | 2018-10-12 | 东莞百瑞自动化有限公司 | A kind of battery simulation simulation test machine and its control method |
| CN109945910A (en) * | 2019-02-23 | 2019-06-28 | 深圳天溯计量检测股份有限公司 | A kind of upper low testing machine and its assessment method |
| CN115144037A (en) * | 2022-08-30 | 2022-10-04 | 苏州时代华景新能源有限公司 | Safety monitoring method and system for explosion-proof performance of lithium battery |
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