CN207866759U - Utilize the bad discriminating gear of the battery for electric automobile of ultrasonic transmission/reception - Google Patents
Utilize the bad discriminating gear of the battery for electric automobile of ultrasonic transmission/reception Download PDFInfo
- Publication number
- CN207866759U CN207866759U CN201720852857.5U CN201720852857U CN207866759U CN 207866759 U CN207866759 U CN 207866759U CN 201720852857 U CN201720852857 U CN 201720852857U CN 207866759 U CN207866759 U CN 207866759U
- Authority
- CN
- China
- Prior art keywords
- battery
- ultrasonic
- ultrasonic wave
- receives
- electric automobile
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
Abstract
A kind of bad discriminating gear of battery for electric automobile using ultrasonic transmission/reception, including:Supersonic generator generates ultrasonic wave;Ultrasonic wave emitting head, is installed in battery case, transmits the ultrasonic signal that the supersonic generator generates, is transmitted to battery back;Emitting head fixing device makes the ultrasonic wave emitting head install additional, be fixed on battery case;Ultrasonic wave receives head, receives the ultrasonic wave of battery echo;Ultrasonic signal acquisition unit receives the ultrasonic signal that head receives to the ultrasonic wave and is amplified;Signal processing part carries out frequency analysis to the time shaft ultrasonic signal of ultrasonic signal acquisition unit output;Display unit shows bad or regular prompt to outside.The utility model can be directed to a large amount of battery for electric automobile internal structure defective products produced in production line of batch, without the ultrasonic technology personnel of profession, using the discrimination principles of works resonance characteristics, just can screen inside battery defective products.
Description
Technical field
The utility model is related to a kind of bad discriminating gears of the battery for electric automobile using ultrasonic transmission/reception, for batch
The a large amount of battery for electric automobile internal structure defective products produced in production line, without the ultrasonic technology personnel of profession, with profit
With the method for discrimination of the sequencing of works resonance characteristics, inside battery defective products just can be screened.
Background technology
Publication 10-2010-0006853 discloses a kind of ultrasonic examination check device, the ultrasonic examination inspection
Device is looked into, when checking that contact method is scanned with common ultrasonic examination, probe and magnetic testing body surface face are indirect
The film that medium keeps intended height is touched, forms the connecting path for keeping acoustic energy setly, enabling obtain identical product always
The acoustic energy of matter, can easily continuous scanning, including:
Probe insert port, it is overleaf internal according to probe form to be formed, so that probe is inserted into;Holder,
Fixing permanent magnet is inserted at both sides cradle back center, to be attached to magnetic testing body;Adjustment structure, in both sides stent ends
Portion forms firm nut up and down, using firm bolt, in magnetic testing body surface modulation intended height;For on top
Face adjusts the structure of probe location;Connector insert port is formed open below, so that probe adapter is easy to be inserted into;With
In the structure for fixing probe in front;Scale marker portion positioned at two sides bracket outer surface lower end;In two sides holder
Outer surface center forms the slot of rough pattern in thumb and index finger location and makes it possible to the knot non-skidly comfortably held
Structure.
Utility model content
(technical problems to be solved)
The utility model is related to a kind of bad discriminating gears of the battery for electric automobile using ultrasonic transmission/reception, in electronic vapour
Vehicular battery batch production checks in line, for the periodical battery for electric automobile repeatedly of configuration of internal structure object, passes through
Ultrasonic wave nondestructive inspection, automatic decision are bad.
The utility model is intended to provide a kind of bad discriminating gear of the battery for electric automobile using ultrasonic transmission/reception, can
For a large amount of battery for electric automobile internal structure defective products produced in production line of batch, the ultrasonic technology people without profession
Member, using the discrimination principles of works resonance characteristics, to screen inside battery defective products.
(means solved the problems, such as)
A kind of bad discriminating gear of battery for electric automobile using ultrasonic transmission/reception, including:
Supersonic generator 10 generates ultrasonic wave;
Ultrasonic wave emitting head 20, is installed in battery case, transmits the ultrasonic wave letter of the generation of the supersonic generator 10
Number, it is transmitted to battery back;
Emitting head fixing device 30 makes the ultrasonic wave emitting head 20 install additional, be fixed on battery case;
Ultrasonic wave receives head 40, receives the ultrasonic wave of battery echo;
Ultrasonic signal acquisition unit 50 receives the ultrasonic signal that head 40 receives to the ultrasonic wave and is amplified;
Signal processing part 60, to the time shaft ultrasonic signal of the ultrasonic signal acquisition unit 50 output into line frequency
Analysis, when
It is determined as that internal structure is bad, wherein
F_0 is ultrasonic resonance frequency, and L (f_0) is ultrasonic resonance frequency hop wave level;
F_2 is the frequency of an anti-resonance frequency, and L (f_2) is the peak level of f_2 frequencies
A1 is the first both fixed-ratio;
Display unit shows bad or regular prompt to outside.
Optionally, when
It is determined as that batteries of electric automobile inside quality is bad;
Wherein, b1 is the second both fixed-ratio.
Optionally, the described first both fixed-ratio a1=0.3.
Optionally, the described second both fixed-ratio b1=2.
(utility model effect)
According to the utility model, a kind of bad discriminating gear of the battery for electric automobile using ultrasonic transmission/reception is provided,
Battery for electric automobile batch checks in line, for the periodical battery for electric automobile repeatedly of configuration of internal structure object, leads to
Ultrasonic wave nondestructive inspection is crossed, automatic decision is bad.
According to the utility model, a kind of bad discriminating gear of the battery for electric automobile using ultrasonic transmission/reception, energy are provided
The a large amount of battery for electric automobile internal structure defective products produced in production line of batch are enough directed to, the ultrasonic technology without profession
Personnel, using the discrimination principles of works resonance characteristics, to screen inside battery defective products.
Description of the drawings
Fig. 1 is the common battery for electric automobile composition figure as the utility model check object.
Fig. 2 is the bad discriminating gear composition figure of the battery for electric automobile using ultrasonic transmission/reception of the utility model.
Fig. 3 is the bad discrimination principles schematic diagram of the battery for electric automobile using ultrasonic transmission/reception of the utility model.
Reference numeral
10:Supersonic generator
20:Ultrasonic wave emitting head
30:Emitting head fixing device
40:Ultrasonic wave receives head
50:Ultrasonic signal acquisition unit
60:Signal processing part
Specific implementation mode
With reference to attached drawing, the bad discriminating gear of the battery for electric automobile using ultrasonic transmission/reception of the utility model is carried out
It is described in detail.Fig. 1 is the common battery for electric automobile composition figure as the utility model check object, and Fig. 2 is this practicality
The bad discriminating gear of the novel battery for electric automobile using ultrasonic transmission/reception constitutes figure, and Fig. 3 is the utilization of the utility model
The principle schematic of the bad differentiation of battery for electric automobile of ultrasonic transmission/reception.
As shown in Figure 1, common battery for electric automobile includes battery case 1, electrode assembly 2, electrode tip position
3.As shown in Figure 1, Figure 2, Figure 3 shows, the bad discriminating gear packet of the battery for electric automobile using ultrasonic transmission/reception of the utility model
It includes:Supersonic generator 10 generates ultrasonic wave;Ultrasonic wave emitting head 20 is installed in battery case 1, transmits the ultrasound
The ultrasonic signal that wave producer 10 generates, is transmitted to battery back;Emitting head fixing device 30 makes the ultrasonic wave emit
First 20 install additional, are fixed on battery case 1;Ultrasonic wave receives head 40, receives the ultrasonic wave of battery echo;Ultrasonic signal obtains
Portion 50 receives the ultrasonic signal that head 40 receives to the ultrasonic wave and is amplified, carries out digital conversion when necessary;At signal
Reason portion 60 carries out frequency analysis to the time shaft ultrasonic signal of the ultrasonic signal acquisition unit 50 output, and judgement is internal
Whether structure is bad;Display unit shows bad or regular prompt to outside.
In Fig. 1,1 inside of battery case is periodically repeatedly configured fixed electrode combination 2, signal processing by predetermined distance
Portion 60 is to the back wave level L (f_0) of the ultrasonic resonance occurred and resonant frequency f_0 according to 2 shape of electrode combination
It is compared with the peak level L (f_2) of the frequency f_2 of anti-resonance frequency, when for both fixed-ratio a1 or more,
It is determined as that internal structure is bad, such as a1=0.3.
When for both fixed-ratio b1 or more,
It is determined as that batteries of electric automobile inside quality is bad, such as b1=2.
The utility model is not related to the improvement to existing known procedure, and signal processing part 60 is using existing known journey
Sequence is realized carries out frequency analysis and decision process to the time shaft ultrasonic signal that the ultrasonic signal acquisition unit 50 exports, this
Field technology personnel introduction according to the present utility model clearly can use existing program to realize Analysis And Evaluation process.
The preferred embodiment that the utility model just mentions above is illustrated, but not the scope of the utility model limits
In this embodiment, the scope of the utility model is determined according to following claims, including is belonged to and the utility model equalization
Various revision and deformation of range.
It should be pointed out that the reference numeral described in following claims is provided purely for assisting the reason to utility model
Solution, does not influence the explanation to interest field, reference numeral that must not be historically and narrow and explain interest field.
Claims (1)
1. a kind of bad discriminating gear of battery for electric automobile using ultrasonic transmission/reception, which is characterized in that including:
Supersonic generator (10) generates ultrasonic wave;
Ultrasonic wave emitting head (20), is installed in battery case, transmits the ultrasonic wave letter of the supersonic generator (10) generation
Number, it is transmitted to battery back;
Emitting head fixing device (30) makes the ultrasonic wave emitting head (20) install additional, be fixed on battery case;
Ultrasonic wave receives head (40), receives the ultrasonic wave of battery echo;
Ultrasonic signal acquisition unit (50) receives the ultrasonic signal that head (40) receives to the ultrasonic wave and is amplified;
Signal processing part (60), to the time shaft ultrasonic signal of the ultrasonic signal acquisition unit (50) output into line frequency
Analysis;
Display unit shows bad or regular prompt to outside.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0163450 | 2016-12-02 | ||
KR1020160163450A KR20180063927A (en) | 2016-12-02 | 2016-12-02 | Automated Ultra Sonic Inspection System |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207866759U true CN207866759U (en) | 2018-09-14 |
Family
ID=62629418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720852857.5U Expired - Fee Related CN207866759U (en) | 2016-12-02 | 2017-07-14 | Utilize the bad discriminating gear of the battery for electric automobile of ultrasonic transmission/reception |
Country Status (2)
Country | Link |
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KR (1) | KR20180063927A (en) |
CN (1) | CN207866759U (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110118943B (en) * | 2019-04-11 | 2020-05-19 | 华中科技大学 | Broadband ultrasonic receiving device and application thereof |
KR20210017577A (en) * | 2019-08-09 | 2021-02-17 | 주식회사 엘지화학 | Quantitatively diagnosis method for manufacturing facility |
KR20230032724A (en) * | 2021-08-31 | 2023-03-07 | 주식회사 엘지에너지솔루션 | Apparatus and method for detecting internal defects of battery cell using tdr |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005108801A (en) * | 2003-09-11 | 2005-04-21 | Nissan Motor Co Ltd | Defect detection device for laminated body and inspecting device for fuel cell |
EP2135068A4 (en) * | 2007-03-10 | 2013-05-15 | Ruv Systems B V | A method and apparatus for in-line quality control of wafers |
JP4906897B2 (en) * | 2009-01-22 | 2012-03-28 | 三菱電機株式会社 | Crack detection support apparatus and crack detection support method |
JP2014049401A (en) * | 2012-09-04 | 2014-03-17 | Nissan Motor Co Ltd | Battery state estimation device, vehicle including the battery state estimation device, and battery state estimation method |
KR102219701B1 (en) * | 2014-08-21 | 2021-02-24 | 삼성전자주식회사 | Apparatus for analyzing active material of secondary battery and method for analyzing active material using the same |
-
2016
- 2016-12-02 KR KR1020160163450A patent/KR20180063927A/en not_active Application Discontinuation
-
2017
- 2017-07-14 CN CN201720852857.5U patent/CN207866759U/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20180063927A (en) | 2018-06-14 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20190714 |
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CF01 | Termination of patent right due to non-payment of annual fee |