CN109375044A - The method and system of quality are electrically connected between a kind of detection conductor - Google Patents
The method and system of quality are electrically connected between a kind of detection conductor Download PDFInfo
- Publication number
- CN109375044A CN109375044A CN201811518918.XA CN201811518918A CN109375044A CN 109375044 A CN109375044 A CN 109375044A CN 201811518918 A CN201811518918 A CN 201811518918A CN 109375044 A CN109375044 A CN 109375044A
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- China
- Prior art keywords
- conductor
- junction
- quality
- temperature
- electrically connected
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- Pending
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 105
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims description 6
- 206010037660 Pyrexia Diseases 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
Abstract
The invention discloses the method and system that quality is electrically connected between a kind of detection conductor, this method comprises: the contact resistance size of junction is electrically connected quality between capable of characterizing conductor between conductor, Given this, make current flow through junction between conductor, under the function of current, the contact resistance of junction generates Joule heat between conductor, and junction generates temperature rise therewith between conductor；The temperature rise of junction between detection conductor；The electrical connection quality between conductor is determined according to the size of junction temperature rise between conductor.The system includes: that power supply provides the electric current being electrically heated between junction conductor；Power distribution equipment makes junction and electric power generating composition current loop between conductor, makes current flow through junction between conductor；Temperature-detecting device detects the temperature rise of junction between conductor；Measure and control device controls power supply and power distribution equipment, and the temperature signal for the treatment of temperature detection device detection determines the testing result of electrical connection quality between conductor；Display device shows above-mentioned testing result.
Description
Technical field
The present invention relates to electric detecting technology field, in particular to the method for quality is electrically connected between a kind of detection conductor and is
System.
Background technique
In various electrical components, electrically or electronically in device, electrical connection between generally existing conductor, such as direct current generator
Electrical connection between rotor windings and commutator, the electrical connection between motor stator winding and outlet terminal.It is electrically connected quality
It is to influence electrical component, electrically or electronically one of key factor of device reliability.
Electrical connection technique between conductor is divided into two kinds of welding and crimping.When welding or crimp quality are good, between conductor
The contact resistance of junction is smaller.Conversely, the contact resistance of junction is larger between conductor when welding or crimp quality are bad.
Therefore, the size of junction contact resistance is electrically connected quality between capable of characterizing conductor between conductor.
The contact resistance that junction between conductor is directly measured using four-wire system is the biography that quality is electrically connected between detecting conductor
System method.However, junction between the conductor of many electrical components, electrically or electronically device, measures connector or probe can not be therewith
Contact cannot construct four-wire system circuit to measure the contact resistance of junction between conductor, to cannot connect by directly measuring
Electric shock resistance is to detect the electrical connection quality between conductor.
In consideration of it, inventing a kind of method that not can be detected electrical connection quality between conductor by directly measuring contact resistance
And system, it has important practical significance.
Summary of the invention
The object of the present invention is to provide the method and system that quality is electrically connected between a kind of detection conductor.
The present invention provide it is a kind of detection conductor between be electrically connected quality method, comprising:
Make current flow through junction between conductor；
Detect the temperature rise of junction between the conductor；
According to the temperature rise of junction between the conductor of detection, determine to be electrically connected quality between the conductor.
Preferably, the size of current for flowing through junction between the conductor is controllable；
Preferably, it can be set at the time of detecting junction temperature rise between the conductor；
Preferably, for determining that the threshold value for the temperature rise for being electrically connected quality between the conductor can be set.
The detection system of quality is electrically connected between a kind of conductor provided by the invention, comprising: power supply, power distribution equipment, temperature
Detection device, measure and control device and display device；
Wherein, the power supply is for providing between the electric current that junction is electrically heated the conductor；
The power distribution equipment makes current flow through institute for making junction and the electric power generating composition current loop between the conductor
State junction between conductor；
The temperature-detecting device is used to detect the temperature rise of junction between the conductor；
The measure and control device receives and processes the temperature-detecting device for controlling the power supply and the power distribution equipment
The testing result of electrical connection quality between conductor is analyzed and obtained to the temperature signal of detection；
The display device is for showing the testing result.
Preferably, temperature-detecting device, specifically:
Metal fever resistance temperature sensor,
Or semiconductor thermistor temperature sensor,
Or semiconductor PN temperature sensor,
Or thermocouple temperature sensor,
Or infrared temperature sensor,
Or infrared image sensor.
The contact resistance of junction is electrically connected quality between capable of characterizing conductor between conductor.The contact electricity of junction between conductor
It hinders smaller, shows that electrical connection quality is better between conductor；The contact resistance of junction is bigger between conductor, shows electrically to connect between conductor
It is poorer to connect quality.The contact resistance of junction can generate Joule heat under the function of current between conductor, so that is produced from junction between conductor
Raw temperature rise, the size of temperature rise are related with contact resistance size.Therefore, pass through temperature of the junction under the function of current between detection conductor
It rises, can determine and be electrically connected quality between conductor.
In consideration of it, the method that quality is electrically connected between a kind of detection conductor provided by the present invention, specifically: allow electric current stream
Junction between measured conductor is crossed, the temperature rise of junction between conductor is detected, according to the size of junction temperature rise between the conductor detected,
Determine to be electrically connected quality between conductor.
Be electrically connected the detection system of quality between a kind of conductor provided by the present invention, specifically include: power supply matches Denso
It sets, temperature-detecting device, measure and control device and display device；Power supply is used to provide to be electrically heated junction measured conductor
Electric current；Power distribution equipment is made current flow through and is connected between measured conductor for making junction and electric power generating composition current loop between measured conductor
Meet place；Temperature-detecting device is used to detect the temperature rise of junction between measured conductor；Measure and control device is for controlling power supply and with Denso
It sets, receives the temperature signal with the detection for the treatment of temperature detection device, analyze and obtain the detection knot of electrical connection quality between conductor
Fruit；Display device is used to show the testing result of electrical connection quality between conductor.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is electrically connected the flow chart of quality determining method between a kind of conductor provided by the embodiment of the present invention；
Fig. 2 is electrically connected schematic diagram between conductor in a kind of motor stator provided by the embodiment of the present invention；
In Fig. 2,200 be winding conductor, and 201 be outlet terminal conductor, and 202 be winding conductor 200 and outlet terminal conductor
Junction between 201；
Fig. 3 is electrically connected the structural schematic diagram of quality detecting system between a kind of conductor provided by the embodiment of the present invention；
In Fig. 3,100 be power supply, and 200 be motor stator winding conductor, and 201 be motor stator outlet terminal conductor, and 202 are
The junction of motor stator winding conductor 200 and motor stator outlet terminal conductor 201,300 be measure and control device, and 400 be distribution
Device, 500 be display device, and 600 be temperature-detecting device.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1, Fig. 1 is electrically connected the process of quality determining method between a kind of conductor provided by the embodiment of the present invention
Figure.The implementation steps of this method are as follows:
Step 101: making current flow through junction between conductor；
Step 102: the temperature rise of junction between detection conductor；
Step 103: according to temperature rise size in junction between the conductor measured, determining to be electrically connected quality between conductor.
With reference to Fig. 3, Fig. 3 is electrically connected the structure of quality detecting system between a kind of conductor provided by the embodiment of the present invention
Figure.The system may include:
Power supply 100, for providing between the electric current that junction 202 is electrically heated conductor；
Power distribution equipment 400 makes current flow through conductor for making junction 202 and power supply 100 between conductor constitute current loop
Between junction 202；
Temperature-detecting device 600, for detecting the temperature rise of junction 202 between conductor；
Measure and control device 300 receives and treatment temperature detection device 600 for controlling power supply 100, control power distribution equipment 400
The temperature rise signal of junction 202 between the conductor detected is analyzed and is obtained between the electrical connection quality of junction 202 conductor
Testing result；
Display device 500, for showing this system between the testing result of the electrical connection quality of junction 202 conductor.
Preferably, temperature-detecting device 600 can be with specifically:
Metal fever resistance temperature sensor,
Or semiconductor thermistor temperature sensor,
Or semiconductor PN temperature sensor,
Or thermocouple temperature sensor,
Or infrared temperature sensor,
Or infrared image sensor.
Principle and implementation of the present invention are described for use above specific embodiment, and above-described embodiment is only used
In facilitating the understanding of the method and its core concept of the invention.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Claims (4)
1. being electrically connected the method for quality between a kind of detection conductor characterized by comprising
Make current flow through junction between the conductor；
Detect the temperature rise of junction between the conductor；
According to the temperature rise of junction between the conductor of detection, determine to be electrically connected quality between the conductor.
2. being electrically connected the method for quality between detecting conductor according to claim 1, which is characterized in that
The size of current for flowing through junction between the conductor is controllable；
It can be set at the time of detecting junction temperature rise between the conductor；
For determining that the threshold value for the temperature rise for being electrically connected quality between the conductor can be set.
3. being electrically connected the detection system of quality between a kind of conductor characterized by comprising power supply, power distribution equipment, temperature detection
Device, measure and control device and display device；
Wherein, the power supply is for providing between the electric current that junction is electrically heated the conductor；
The power distribution equipment makes current flow through described lead for making junction and the electric power generating composition current loop between the conductor
Junction between body；
The temperature-detecting device is used to detect the temperature rise of junction between the conductor；
The measure and control device receives and processes the temperature-detecting device detection for controlling the power supply and the power distribution equipment
Temperature signal, analyze and obtain the testing result for being electrically connected quality between conductor；
The display device is for showing the testing result.
4. being electrically connected the detection system of quality between conductor according to claim 3, which is characterized in that the temperature detection
Device, specifically:
Metal fever resistance temperature sensor；
Or semiconductor thermistor temperature sensor；
Or semiconductor PN temperature sensor；
Or thermocouple temperature sensor；
Or infrared temperature sensor；
Or infrared image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518918.XA CN109375044A (en) | 2018-12-12 | 2018-12-12 | The method and system of quality are electrically connected between a kind of detection conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518918.XA CN109375044A (en) | 2018-12-12 | 2018-12-12 | The method and system of quality are electrically connected between a kind of detection conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109375044A true CN109375044A (en) | 2019-02-22 |
Family
ID=65374173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811518918.XA Pending CN109375044A (en) | 2018-12-12 | 2018-12-12 | The method and system of quality are electrically connected between a kind of detection conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109375044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932593A (en) * | 2019-03-15 | 2019-06-25 | 西门子电力自动化有限公司 | The method and apparatus of fault detection for power equipment |
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|---|---|---|---|---|
| US5733041A (en) * | 1995-10-31 | 1998-03-31 | General Electric Company | Methods and apparatus for electrical connection inspection |
| US20070207656A1 (en) * | 2006-02-21 | 2007-09-06 | Abb Oy | Method and apparatus for condition monitoring of electrical connections |
| CN102354440A (en) * | 2011-08-02 | 2012-02-15 | 珠海博威电气有限公司 | Information acquisition device and online monitoring system for electric connection part |
| CN102687030A (en) * | 2010-01-25 | 2012-09-19 | 美国能量变换公司 | Electrical connection quality detection |
| CN202956194U (en) * | 2012-08-07 | 2013-05-29 | 浙江卓安自动化控制设备有限公司 | Electric contact temperature on-line monitoring device |
| EP2927928A1 (en) * | 2014-03-31 | 2015-10-07 | Schneider Electric Industries SAS | Method for determining an overheating of at least one connection terminal of an electrical device, associated auxiliary apparatus, and electrical system including such an electrical device and such an auxiliary apparatus |
| CN106997013A (en) * | 2017-05-16 | 2017-08-01 | 中车洛阳机车有限公司 | A kind of temperature rise experimental method of cable crimping point and crimping armor clamp |
| CN108761248A (en) * | 2018-07-19 | 2018-11-06 | 中车青岛四方机车车辆股份有限公司 | A kind of cable pressure connection terminal temperature-rise test device and method |
| CN209264886U (en) * | 2018-12-12 | 2019-08-16 | 上海奥波电子有限公司 | The detection system of quality is electrically connected between a kind of conductor |
-
2018
- 2018-12-12 CN CN201811518918.XA patent/CN109375044A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733041A (en) * | 1995-10-31 | 1998-03-31 | General Electric Company | Methods and apparatus for electrical connection inspection |
| US20070207656A1 (en) * | 2006-02-21 | 2007-09-06 | Abb Oy | Method and apparatus for condition monitoring of electrical connections |
| CN102687030A (en) * | 2010-01-25 | 2012-09-19 | 美国能量变换公司 | Electrical connection quality detection |
| CN102354440A (en) * | 2011-08-02 | 2012-02-15 | 珠海博威电气有限公司 | Information acquisition device and online monitoring system for electric connection part |
| CN202956194U (en) * | 2012-08-07 | 2013-05-29 | 浙江卓安自动化控制设备有限公司 | Electric contact temperature on-line monitoring device |
| EP2927928A1 (en) * | 2014-03-31 | 2015-10-07 | Schneider Electric Industries SAS | Method for determining an overheating of at least one connection terminal of an electrical device, associated auxiliary apparatus, and electrical system including such an electrical device and such an auxiliary apparatus |
| CN106997013A (en) * | 2017-05-16 | 2017-08-01 | 中车洛阳机车有限公司 | A kind of temperature rise experimental method of cable crimping point and crimping armor clamp |
| CN108761248A (en) * | 2018-07-19 | 2018-11-06 | 中车青岛四方机车车辆股份有限公司 | A kind of cable pressure connection terminal temperature-rise test device and method |
| CN209264886U (en) * | 2018-12-12 | 2019-08-16 | 上海奥波电子有限公司 | The detection system of quality is electrically connected between a kind of conductor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932593A (en) * | 2019-03-15 | 2019-06-25 | 西门子电力自动化有限公司 | The method and apparatus of fault detection for power equipment |
| CN109932593B (en) * | 2019-03-15 | 2021-08-10 | 西门子电力自动化有限公司 | Method and apparatus for fault detection of electrical equipment |
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