CN110190468A - A kind of connector of contact resistance on-line checking - Google Patents
A kind of connector of contact resistance on-line checking Download PDFInfo
- Publication number
- CN110190468A CN110190468A CN201811457725.8A CN201811457725A CN110190468A CN 110190468 A CN110190468 A CN 110190468A CN 201811457725 A CN201811457725 A CN 201811457725A CN 110190468 A CN110190468 A CN 110190468A
- Authority
- CN
- China
- Prior art keywords
- source
- contact
- terminal
- connector
- printed board
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
- H01R13/7175—Light emitting diodes (LEDs)
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Abstract
The present invention relates to a kind of connectors of contact resistance on-line checking, belong to connector performance fields of measurement, it include source and dead terminal, there is source to be built-in with circuit board, there is contact resistance detection circuit, contact resistance detection circuit has current signal input, active terminal voltage signal input terminal and dead terminal voltage signal inputs on circuit board；There is source to be provided with source auxiliary contact, dead terminal is provided with dead terminal auxiliary contact, there is source to be built-in with current sensor and the first conducting element, current sensor connects current signal input, first conducting element is connected with source voltage terminal signal input part, dead terminal is built-in with the second conducting element, and second conducting element one end is conductively connected dead terminal signal contacting piece, the other end is conductively connected dead terminal auxiliary contact, there is source auxiliary contact connected with passive terminal voltage signal input terminal.Electric connector volume of the invention is small, while can be realized the voltage on-line checking at contact resistance both ends.
Description
Technical field
The invention belongs to connector performance fields of measurement, and in particular to a kind of connector of contact resistance on-line checking.
Background technique
Currently, its internal state of traditional passive connector is in unknown state for external system, it can not be to it
Carry out effective monitoring, and connector be used as system signal interconnecting interface, once fail will cause calamity to entire external system
High current connector in consequence, such as the system cores equipment such as be generally used for generator, mine, the master as energy source connect
Mouthful, once break down suddenly it is light if cause equipment downtime, it is heavy then whole system is caused to paralyse, and then the safety that initiation is great
Accident.
In order to realize the failure predication and health control of whole system rank, connector internal state must be just realized first
Visualization, to its critical eigenvalue carry out real-time monitoring.Connector is when carrying out plug operation and longtime running, head contact
Because abrasion, temperature, pressure variation etc. will cause contact resistance value and change between part, seated connection contact element, the size of value is same to be connected
Connecing device current state and future life has direct connection.It therefore can be by on-line checking contact resistance value, to realize to connection
The self-test of device internal state.
However, on-line checking structure is limited by two conditions: first, connector inner space is narrow；Second, measurement
Element cannot change connector internal state and performance.
The difficult point of online design detection structure is under the limitation of above-mentioned two condition:
1, how to detect the voltage of the voltage at contact resistance both ends, especially passive part.
2, how to detect the electric current of contact resistance.Currently used current measuring method is method measured directly, i.e., will
Contact in plug or socket interrupts, and introduces knitting contact, is going here and there between contact in knitting contact and plug/socket
Enter sampling resistor or integrated form current sensors to measure.This has carried out very big change to the existing contact piece structure of connector,
Very big uncertain influence can be caused on connector performance.Conventional Hall current sensor, although the indirect of electric current may be implemented
Measurement, but volume is still larger, and is not easy to be integrated in inside connector.
Summary of the invention
The object of the present invention is to provide a kind of connectors of contact resistance on-line checking, how to detect contact electricity for solving
The problem of hindering both end voltage.
In order to solve the above technical problems, the present invention proposes a kind of connector of contact resistance on-line checking, including following solution
Certainly scheme:
Include source and dead terminal, there is source to be built-in with circuit board, there is contact resistance detection circuit on circuit board, connect
Touching resistance detecting circuit has current signal input, active terminal voltage signal input terminal and dead terminal voltage signal inputs；
There is source to be provided with source auxiliary contact, dead terminal is provided with dead terminal auxiliary contact, is there is source and nothing
When source is assembled together, there are source auxiliary contact and dead terminal auxiliary contact also to link together；
There is source to be built-in with for detecting the current sensor for flowing through active end signal contact electric current, current sensor connects
Connect current signal input；
There is source to be built-in with for being conductively connected the first conducting element for having source signal contact, the first conducting element connects
It is connected to source voltage terminal signal input part；
Dead terminal is built-in with the second conducting element, and second conducting element one end is conductively connected dead terminal signal contacting piece, the
The two conducting element other ends are conductively connected dead terminal auxiliary contact；There is source auxiliary contact connected with passive terminal voltage signal defeated
Enter end.
The present invention in having for above-mentioned electric connector by being connected separately with source voltage terminal signal input part and having built in source
First conducting element of source signal contact, realizing has the voltage on-line checking of source signal contact；By in above-mentioned electricity
The second conducting element of dead terminal auxiliary contact and dead terminal signal contacting piece is connected separately with built in the dead terminal of connector,
Realize the voltage on-line checking of dead terminal signal contacting piece.Electric connector volume of the invention is small, while can be realized contact electricity
Hinder the voltage on-line checking at both ends.
For the voltage detecting for realizing dead terminal signal contacting piece, dead terminal is equipped with dead terminal printed board, the second conducting element
For the conductive layer arranged in dead terminal printed board, the conductive layer branch connected with passive end signal contact and dead terminal auxiliary contacts
Part, the i.e. voltage of dead terminal auxiliary contact are by the conductive layer in the dead terminal printed board, then successively assist via dead terminal
Contact has source auxiliary contact, dead terminal voltage signal inputs finally to be collected by circuit board.
Above-mentioned first conducting element is elastic slice, is connected separately with source signal contact by elastic slice and has source voltage terminal letter
Number input terminal, is used for transmission the voltage of source signal contact.
As the other embodiments of the first conducting element, circuit board is to have source printed board, and the first conducting element is to have
The conductive layer arranged in source printed board has the voltage of source signal contact to have the conduction in source printed board by this
Layer, then collected via active terminal voltage signal input terminal by circuit board.
Above-mentioned current sensor be collection magnetic sheet sensor, arrangement on circuit boards, the extending direction of the circuit board with it is active
The extending direction of end signal contact is consistent.The collection magnetic sheet sensor be able to detect be parallel to the collection magnetic sheet sensor have source
The horizontal magnetic field of signal contacting piece obtains the electric current of source signal contact, that is, realizes the current detecting of contact resistance.
It is above-mentioned to there is source to be additionally provided with shielding cylinder, shielding cylinder be threaded through it is corresponding have on source signal contact, be fixed on
On circuit board.For shielding other magnetic fields in addition to the above-mentioned horizontal magnetic field for having source signal contact, realization connects the shielding cylinder
The electric current of electric shock resistance accurately detects.
It is circuit board above in such a way that one has source printed board realization, as another alternative way, circuit
Plate includes the first rigid printed board and the second rigid printed board, and the extending direction of the first rigid printed board is contacted with there is source signal
The extending direction of part is vertical, and the first rigid printed board has contact resistance detection circuit；And the extension of the second rigid printed board
Direction is consistent with there is the extending direction of source signal contact, and setting collection magnetic sheet sensor on the second rigid printed board, i.e., logical
It crosses the second rigid printed board and realizes the current detecting for having source signal contact, have source letter by the realization of the first rigid printed board
The electric current of the voltage detecting of number contact, dead terminal signal contacting piece obtains and the voltage of dead terminal signal contacting piece obtains.
As the further improvement of above-mentioned another alternative way, there is source to be additionally provided with shielding cylinder, shielding cylinder is worn
Have on source signal contact corresponding, be fixed on the second rigid printed board, to realize that the electric current of contact resistance is accurately examined
It surveys.
Further, the first rigid printed board is fixedly connected with the second rigid printed board by a flexible printed circuit, to protect
Demonstrate,prove being arranged vertically for the first rigid printed board and the second rigid printed board.
For the measurement for realizing connector internal temperature, has and be disposed with temperature sensor in source printed board.
Detailed description of the invention
Fig. 1 is connector construction schematic diagram of the invention；
Fig. 2 is the SIP encapsulation schematic diagram of Active control chip and amplifier chip in connector of the invention；
Fig. 3 is the mechanical construction drawing of connector of the invention；
Fig. 4 is another connector construction schematic diagram of the invention；
The label declaration of attached drawing is as follows:
1-dead terminal signal contacting piece, 2-passive end housing, 3-dead terminal insulators, 4-dead terminal printed boards, 5-
Dead terminal auxiliary contact, 6-active end housing, 7-have source front end insulator, and 8-have source auxiliary contact, 9-shapes
State indicator light, 10-elastic slices, 11-Active control chips, 12-have source printed board, and 13-current sensors, 14-have source
Rear end insulator, 15-power source communications interfaces, 16-temperature sensors, 17-have a source signal contact, 18-shielding cylinders,
121-the first rigid printed board, the 122-the second rigid printed board, 123-flexible printed circuits.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
Connector embodiment one:
Connector as shown in Figure 1 includes source and dead terminal, and having source is connector body, and dead terminal is connection
Device plug.
This has source to include source shell 6, have source front end insulator 7, have source rear end insulator 14, have source letter
Number contact 17 has source auxiliary contact 8 and has source printed board 12, before having source auxiliary contact 8 to be fixed on source
It holds on insulator 7, there is source auxiliary contact 8 to be connected in source printed board 12 in the form of looper.
Have and integrates arrangement Active control chip 11, status indicator lamp 9, current sensor 13, temperature in source printed board 12
Sensor 16 and contact resistance detection circuit, Active control chip 11 are separately connected status indicator lamp 9, temperature sensor 16, and
Active control chip 11 connects current sensor 13, current sensor by the current signal input of contact resistance detection circuit
13 for detecting the electric current for flowing through active end signal contact 17, and the electric current for having source signal contact 17 is transmitted to active
Control chip 11.
The contact resistance detection circuit not only has a current signal input, also have active terminal voltage signal input terminal and
Dead terminal voltage signal inputs.There is source signal contact 17 to be connected with elastic slice 10 and (elastic slice is known as first in the present invention
Conducting element), elastic slice 10 connects the active terminal voltage signal input terminal, which passes sequentially through 10 He of elastic slice
Active terminal voltage signal input terminal collects the voltage of source signal contact 17, and the electricity that will have source signal contact 17
Pressure is sent to Active control chip 11.
Dead terminal includes passive end housing 2, dead terminal signal contacting piece 1, dead terminal insulator 3,4 and of dead terminal printed board
Dead terminal auxiliary contact 5, dead terminal signal contacting piece 1 pass through wall grommet, dead terminal insulator 3, dead terminal printed board 4
It is fixed with interface grommet, dead terminal auxiliary contact 5 and dead terminal printed board 4 are fixed on dead terminal insulator 3 and boundary
On the grommet of face.
4 one end of dead terminal printed board is conductively connected dead terminal signal contacting piece 1, and the other end is conductively connected dead terminal auxiliary and connects
Contact element 5, with the conductive layer (one of connected with passive end signal contact 1 and dead terminal auxiliary contact 5 in dead terminal printed board 4
As be to apply copper wire), the conductive layer is known as the second conducting element in the present invention.Meanwhile above-mentioned to have source to be additionally provided with source auxiliary
Adjuvant grafting contact element 8 has 8 connected with passive terminal voltage signal input terminal of source auxiliary contact, is provided with source auxiliary contact 8 and nothing
The purpose of source auxiliary contact 5 is, when having source and dead terminal to be assembled together, there is source auxiliary contact 8 and nothing
Source auxiliary contact 5 also links together, and the voltage of dead terminal signal contacting piece 1 is made successively to pass through dead terminal printed board 4, nothing
Source auxiliary contact 5 has source auxiliary contact 8 to be transmitted to dead terminal voltage signal inputs, and finally, passive end signal connects
The voltage of contact element 1 is collected by contact resistance detection circuit and is sent to Active control chip 11.
Active control chip 11 is according to the voltage for having source signal contact 17 of acquisition, dead terminal signal contacting piece 1
Voltage calculates the pressure difference between two voltages, is connect according to obtained pressure difference and the electric current for having source signal contact 17 calculating
The resistance value of electric shock resistance, realizes the resistance value real-time monitoring of contact resistance.
Current sensor 13 in the present embodiment is to collect the magnetic sheet sensor (integrated chip with parallel magnetic field measurement function
Formula sensor), it has been arranged in source printed board 12, has had the extending direction of source printed board 12 and have source signal contact 17
Extending direction it is consistent.The collection magnetic sheet sensor be able to detect be parallel to the collection magnetic sheet sensor have source signal contact 17
Horizontal magnetic field, it is insensitive to external vertical magnetic field, obtain the electric current of source signal contact 17, the i.e. electricity of contact resistance
Stream.The model of above-mentioned collection magnetic sheet sensor is preferably the MLX91208 of Melexis company, and measurement current maxima is reachable
1000A。
There is source to be additionally provided with shielding cylinder 18, shielding cylinder 18 be threaded through it is corresponding have on source signal contact 17, it is fixed
On having source printed board 12.The shielding cylinder removes the above-mentioned level for having source signal contact 17 for shielding external magnetic field
Other magnetic fields outside magnetic field prevent the current detecting of interference contact resistance.
In the mechanical structure of connector as shown in Figure 3, source letter is surrounded with by placing above current sensor 13
The shielding cylinder 18 of number contact 17, makes 13 top magnetic field of current sensor be parallel to current sensor 13, and shield external magnetic field pair
The influence of current sensor 13 further increases the accuracy of magnetic-field measurement, eventually by the corresponding relationship between magnetic field and electric current,
Connector operating current (electric current for having source signal contact 17) is obtained, the non-of connector operating current is connect to realize
Touching measurement.
Temperature sensor 16 in the present embodiment has been welded in source printed board 12, which can be temperature-sensitive
The common temperature transducer such as resistance, platinum resistance or infrared temperature sensor.11 temperature collection sensor 16 of Active control chip
Temperature signal, realize connector internal operating temperature real-time reading.
In order to reduce connector volume, the present embodiment selects the higher chip of small package integrated level as far as possible, and to active
Circuit further decreases volume entirely through SIP encapsulation, and SIP encapsulation is transported as shown in Fig. 2, be also packaged with amplifier chip simultaneously
Put the current signal detection circuit and above-mentioned temperature signal that chip includes contact resistance detection circuit, the acquisition of current sensor 13
Detection circuit, each detection circuit are sent to Active control chip 11, and the Active control chip in Fig. 2 includes MCU, and MCU passes through
Protocol chip and host computer carry out communication interaction.The completion of Active control chip 11 has 17 He of source signal contact to socket end
The dead terminal signal contacting piece 1 of plug end plugs together the sampling of rear both end voltage signal, the current signal that current sensor 13 acquires
Sampling and the sampling of above-mentioned temperature signal, then the enhanced processing Jing Guo amplifier chip and A/D conversion respectively, to be connect
Voltage value (i.e. the end voltage of contact resistance), the operating current, operating temperature at contact element both ends, according to the voltage value at contact both ends
The resistance value of contact resistance is calculated with operating current, and these acquisitions and calculating data are stored, and is consulted after convenient.
Power source communications interface 15 is power supply and communication interface, has been connected to source printing with the structure type of looper contact
On plate 12, power source communications interface 15 can also have the connection of source printed board 12 using the structure types such as lead, fastener are same.
Power source communications interface 15 meets known general connecting interface standard, for example, RS485, RS232, CAN, IO, USB
And Ethernet interface.Power source communications interface 15 also connects the operating temperature value, working current value, contact resistance value that coding is completed
The host computer that the current working condition of device is transmitted to remote control terminal is connect, realizes real time monitoring and failure to connector parameters
Detection.Active control chip 11 to obtain connector real-time status value (including operating temperature value, working current value, contact electricity
Resistance value) it is compared with preset fault threshold, when Active control chip 11 judges that connector is in malfunction, then drive
The status indicator lamp 9 (i.e. LED light in Fig. 2) of connector redden color and flash alarm, then data are compiled
Code, is transferred to host computer by corresponding protocol chip.The LED light is placed in the fluting of active end housing 6, and LED refers to
Show and be placed with glass resin on lamp, for being protected to LED light.
The low-voltage dc power supply of the power supply selection 5V of the present embodiment, is accessed by power source communications interface 15 from outside, to have
Source controls chip 11 and current sensor 13 is powered.As other embodiments, power supply also may be selected button cell, be mounted on
In source printed board 12, it may not necessarily only retain the communication interface in power source communications interface 15 from external electricity in this way.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied, for example, the present embodiment has source to can be used as connector plug, nothing
Source is arranged as connector body with specific reference to practical situations；For another example, since have a source has source signal contact
Dead terminal signal contacting piece with dead terminal is two, therefore, can have source signal contact to one of them, be had
The voltage detecting of source signal contact also can detecte two voltages for having source signal contact；It similarly, can be to wherein
One dead terminal signal contacting piece carries out the voltage detecting of dead terminal signal contacting piece, also can detecte two passive end signals
The voltage of contact, as shown in Fig. 3 to two it is passive/there is the electric current of source signal contact to detect.
For another example, in the present embodiment, the first conducting element is printed using elastic slice, the second conducting element using dead terminal
The conductive layer of making sheet, as other substitute modes, the first conducting element, which uses, the conductive layer arranged in source printed board, and second
Conducting element uses elastic slice or probe.
In addition, the current sensor in this implementation is collection magnetic sheet sensor, as other embodiments, if connector has
Sufficiently large space is reserved in source, and the electric current that Hall current sensor detection has source signal contact also can be used.Therefore,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within scope of the claims.
Connector embodiment two:
The difference of this implementation and connector embodiment one, in the present embodiment, the first conducting element is using printed board
Mode is realized.
Specifically, having source printed board in the present embodiment, it is divided into the first rigid printed board 121, the second rigid printed board
122 and flexible printed circuit 123, as shown in Figure 4.Wherein, current sensor 13 is arranged on the second rigid printed board 122, first just
Property printed board 121 on be disposed in connector embodiment one have source printed board 12 in addition to current sensor 13 other electricity
Road device, such as Active control chip 11, status indicator lamp 9, temperature sensor 16 and contact resistance detection circuit, also, the
The extending direction of one rigid printed board 121 is vertical with there is the extending direction of source signal contact 17, there is source signal contact
17 are directed through the first rigid printed board 121, therefore, can be directly using the conductive layer on the first rigid printed board 121 come real
The conductive connection of existing source signal contact 17 and active terminal voltage signal input terminal, i.e., above-mentioned first conducting element is using print
The mode of making sheet is realized.
And the extending direction of the second rigid printed board 122 is consistent with there is the extending direction of source signal contact 17, purpose
It is for the ease of measuring the magnetic field for having source signal contact 17, and easy installation shielding cylinder 18.
First rigid printed board 121 is fixedly connected with the second rigid printed board 122 by flexible printed circuit 123.Electric current passes
The conduction that the signal that sensor 13 acquires passes through the second rigid printed board 122, flexible printed circuit 123, the first rigid printed board 121
Layer, is transmitted to Active control chip 11.
The purpose of this implementation setting flexible printed circuit is that the first rigid printed board of guarantee, the second rigid printed board are vertical,
Make current sensor not by the magnetic interference on the first rigid printed board, guarantees that acquisition has the electric current of source signal contact more
Accurately, as other embodiments, it can also be not provided with flexible printed circuit, guarantee the first rigid printed board, the second rigidity printing
The Relative vertical of plate.
The connector of the present embodiment realizes the current detecting for having source signal contact by the second rigid printed board, passes through
First rigid printed board realizes the voltage detecting for having source signal contact, and the electric current of dead terminal signal contacting piece obtains, passive
The voltage of end signal contact obtains, the acquisition of connector internal operating temperature and the calculating of contact resistance.
Claims (10)
1. a kind of connector of contact resistance on-line checking, which is characterized in that it include source and dead terminal, it is described to have in source
It is equipped with circuit board, there is contact resistance detection circuit on the circuit board, the contact resistance detection circuit has current signal
Input terminal, active terminal voltage signal input terminal and dead terminal voltage signal inputs；
Described to have source to be provided with source auxiliary contact, the dead terminal is provided with dead terminal auxiliary contact, is there is source
When being assembled together with dead terminal, there are source auxiliary contact and dead terminal auxiliary contact also to link together；
It is described to there is source to be built-in with for detecting the current sensor for flowing through active end signal contact electric current, the current sense
Device connects the current signal input；
Described to have source to be built-in with for being conductively connected first conducting element for having source signal contact, described first leads
Electric device connects the active terminal voltage signal input terminal；
The dead terminal is built-in with the second conducting element, and second conducting element one end is conductively connected dead terminal signal contacting piece, the
The two conducting element other ends are conductively connected dead terminal auxiliary contact；It is described to there is source auxiliary contact to connect the dead terminal electricity
Press signal input part.
2. the connector of contact resistance on-line checking according to claim 1, which is characterized in that the dead terminal is equipped with nothing
Source printed board, second conducting element are the conductive layer arranged in the dead terminal printed board, conductive layer branch connection
The dead terminal signal contacting piece and the dead terminal auxiliary contact.
3. the connector of contact resistance on-line checking according to claim 1, which is characterized in that the circuit board is active
Printed board is held, first conducting element has the conductive layer arranged in source printed board to be described.
4. the connector of contact resistance on-line checking according to claim 1, which is characterized in that first conducting element
For elastic slice.
5. the connector of contact resistance on-line checking according to claim 1, which is characterized in that the current sensor is
Collect magnetic sheet sensor, be arranged on the circuit board, the extending direction of the circuit board and described has source signal contact
Extending direction is consistent.
6. the connector of contact resistance on-line checking according to claim 5, which is characterized in that described to there is source to also set up
Have a shielding cylinder, shielding cylinder be threaded through it is corresponding have on source signal contact, be fixed on the circuit board.
7. the connector of contact resistance on-line checking according to claim 1, which is characterized in that the circuit board includes the
One rigid printed board, the extending direction of the first rigid printed board are vertical with the extending direction for having source signal contact；Institute
The first rigid printed board is stated with the contact resistance detection circuit；
The circuit board further includes the second rigid printed board, and the extending direction of the second rigid printed board has source signal to connect with described
The extending direction of contact element is consistent；The current sensor is set on second rigid printed board, and the current sensor is collection
Magnetic sheet sensor.
8. the connector of contact resistance on-line checking according to claim 7, which is characterized in that described to there is source to also set up
Have a shielding cylinder, shielding cylinder be threaded through it is corresponding have on source signal contact, be fixed on second rigid printed board.
9. the connector of contact resistance on-line checking according to claim 7, which is characterized in that the first rigidity printing
Plate is fixedly connected with the second rigid printed board by a flexible printed circuit.
10. the connector of contact resistance on-line checking according to claim 1, which is characterized in that described to have source printing
The temperature sensor for detecting connector internal temperature is disposed on plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457725.8A CN110190468B (en) | 2018-11-30 | 2018-11-30 | Connector for on-line detection of contact resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457725.8A CN110190468B (en) | 2018-11-30 | 2018-11-30 | Connector for on-line detection of contact resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110190468A true CN110190468A (en) | 2019-08-30 |
| CN110190468B CN110190468B (en) | 2020-09-18 |
Family
ID=67713873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811457725.8A Active CN110190468B (en) | 2018-11-30 | 2018-11-30 | Connector for on-line detection of contact resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110190468B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932038A (en) * | 2019-11-15 | 2020-03-27 | 中航光电科技股份有限公司 | Connector with plugging characteristic detection function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10204259A1 (en) * | 2002-02-02 | 2003-08-07 | Edag Eng & Design Ag | Diagnostic plug e.g. for checking current input in motor vehicle, has two measurement contacts and is fitted with measurement resistor |
| CN101937021A (en) * | 2010-06-30 | 2011-01-05 | 上海华岭集成电路技术有限责任公司 | Online measurement method of contact resistance of probe |
| CN202008524U (en) * | 2011-03-24 | 2011-10-12 | 深圳可立克科技股份有限公司 | Charging connector contact resistance detector and charging post |
| CN104062323A (en) * | 2014-06-06 | 2014-09-24 | 西安理工大学 | Method for measuring contact resistance on line |
| CN106053949A (en) * | 2016-07-18 | 2016-10-26 | 广州兴森快捷电路科技有限公司 | Metal element contact resistance testing device and testing method |
| DE202017102652U1 (en) * | 2017-05-04 | 2017-05-26 | Albrecht Jung Gmbh & Co. Kg | Mains outlet |
-
2018
- 2018-11-30 CN CN201811457725.8A patent/CN110190468B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10204259A1 (en) * | 2002-02-02 | 2003-08-07 | Edag Eng & Design Ag | Diagnostic plug e.g. for checking current input in motor vehicle, has two measurement contacts and is fitted with measurement resistor |
| CN101937021A (en) * | 2010-06-30 | 2011-01-05 | 上海华岭集成电路技术有限责任公司 | Online measurement method of contact resistance of probe |
| CN202008524U (en) * | 2011-03-24 | 2011-10-12 | 深圳可立克科技股份有限公司 | Charging connector contact resistance detector and charging post |
| CN104062323A (en) * | 2014-06-06 | 2014-09-24 | 西安理工大学 | Method for measuring contact resistance on line |
| CN106053949A (en) * | 2016-07-18 | 2016-10-26 | 广州兴森快捷电路科技有限公司 | Metal element contact resistance testing device and testing method |
| DE202017102652U1 (en) * | 2017-05-04 | 2017-05-26 | Albrecht Jung Gmbh & Co. Kg | Mains outlet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932038A (en) * | 2019-11-15 | 2020-03-27 | 中航光电科技股份有限公司 | Connector with plugging characteristic detection function |
| CN110932038B (en) * | 2019-11-15 | 2021-07-16 | 中航光电科技股份有限公司 | Connector with plugging characteristic detection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110190468B (en) | 2020-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200986484Y (en) | Magnetic field sensor | |
| JP2019526135A5 (en) | ||
| CN201594108U (en) | Wide-range transformer iron core grounding current on-line monitoring sensing device | |
| CN110190468A (en) | A kind of connector of contact resistance on-line checking | |
| CN201011504Y (en) | Current sensor | |
| CN200986470Y (en) | Temperature sensor | |
| CN200989917Y (en) | Voltage sensor | |
| CN110187217A (en) | Connector for current online detection and active end thereof | |
| CN110850339A (en) | Power transformer detection system | |
| CN207336570U (en) | A kind of high current, voltage monitor | |
| CN208607021U (en) | A kind of separated wireless intelligence sensor | |
| CN210155204U (en) | Non-contact current monitoring device | |
| CN200986467Y (en) | Light intensity sensor | |
| CN207946669U (en) | A kind of SFP optical modules with detection operating status unit | |
| CN208209256U (en) | A kind of intelligent monitoring and control terminal for power distribution cabinet | |
| CN203025215U (en) | Connector of contact electronic component | |
| CN216310118U (en) | Digital leakage current sensor and detection circuit | |
| CN215263681U (en) | Circuit breaker, ammeter and current sensor thereof | |
| CN208567931U (en) | A kind of electric connection structure of sensor | |
| CN215984977U (en) | Monitoring device | |
| CN209280787U (en) | A kind of electrical dedicated multimeter | |
| CN217304209U (en) | Temperature sensor for air switch | |
| CN213124308U (en) | Power line carrier measurement thing networking circuit breaker | |
| CN214375014U (en) | Connector state detection circuit, device and mobile equipment | |
| CN219715674U (en) | Test board for testing capability of electrical testing machine equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |