CN106093584A - A kind of Contact Resistance Test System - Google Patents
A kind of Contact Resistance Test System Download PDFInfo
- Publication number
- CN106093584A CN106093584A CN201610373008.1A CN201610373008A CN106093584A CN 106093584 A CN106093584 A CN 106093584A CN 201610373008 A CN201610373008 A CN 201610373008A CN 106093584 A CN106093584 A CN 106093584A
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- Prior art keywords
- contact
- contact component
- component
- pressure
- inching gear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of Contact Resistance Test System, belong to fretting contact field tests.Described system includes inching gear, attemperating unit, pressure loading device, resistor detecting device and contact-connection assembly for electric, described contact-connection assembly for electric includes the first contact component and the second contact component contacted with each other, contact site between described first contact component and described second contact component is contact point, wherein: described pressure loading device, described inching gear, described attemperating unit all fixes with at least one contact component in described first contact component and described second contact component, successively for controlling the contact pressure of described contact point, change the position of described contact point, control the temperature of described contact point;Two test sides of described resistor detecting device are electrically connected with described first contact component and described second contact component respectively, for detecting the contact resistance of described contact point.Use the present invention, the contact resistance of contact point can be measured accurately.
Description
Technical field
The present invention relates to fretting contact field tests, particularly to a kind of Contact Resistance Test System.
Background technology
Generally being attached by contact-connection assembly for electric between the electronic devices and components in existing electronic equipment, electric current can be by connecing
The contact point touching adapter circulates between electronic devices and components, and the performance of electronic devices and components is had the biggest by the contact resistance at contact point
Impact.
When some equipment produce vibration at work, the electronic devices and components contacted with each other in equipment can produce relative displacement
(i.e. fine motion), and then the material at contact point can produce abrasion because of fine motion, accordingly, contact resistance can change therewith.
Technical staff can carry out fretting simulation test to contact-connection assembly for electric, thus detects the contact resistance under different fine motion states.
During realizing the present invention, it can be seen that prior art at least there is problems in that
During being simulated test, heat can be produced during contact-connection assembly for electric continuous firing, and then contact can be affected
The temperature of point, contact resistance can produce change along with the variations in temperature of contact point, so, it is impossible to measures contact point accurately
Contact resistance.
Summary of the invention
In order to solve problem of the prior art, embodiments provide a kind of Contact Resistance Test System, described skill
Art scheme is as follows:
First aspect, it is provided that a kind of Contact Resistance Test System, described system includes inching gear, attemperating unit, pressure
Force loading device, resistor detecting device and contact-connection assembly for electric, described contact-connection assembly for electric includes the first contact component contacted with each other
With the second contact component, the contact site between described first contact component and described second contact component is contact point, wherein:
Described pressure loading device contacts with at least one in described first contact component and described second contact component
Parts fix, for controlling the contact pressure of described contact point;
Described inching gear and at least one contact component in described first contact component and described second contact component
Fix, for changing the position of described contact point;
Described attemperating unit and at least one contact component in described first contact component and described second contact component
Fix, for controlling the temperature of described contact point;
Two test sides of described resistor detecting device respectively with described first contact component and described second contact component
It is electrically connected with, for detecting the contact resistance of described contact point.
In conjunction with first aspect, in the first possible implementation of this first aspect, described system also includes support;
Described pressure loading device and described inching gear are respectively mounted on the bracket;
Described pressure loading device fixes with the first contact component of described contact-connection assembly for electric, described inching gear and institute
The second contact component stating contact-connection assembly for electric fixes;
Described inching gear, for controlling the motion of described second contact component.
So, by rack-mount to pressure loading device and inching gear, it is ensured that system stablizing operationally
Property.
In conjunction with the first possible implementation of first aspect, in the possible implementation of the second of this first aspect,
Described system also includes controlling terminal, wherein:
Described control terminal electrically connects with described inching gear, described attemperating unit and described resistor detecting device respectively
Connect;
Described control terminal, changes the position of described contact point for controlling described inching gear, controls described temperature control dress
Put at least one the contact component temperature regulated in described first contact component and described second contact component, to described contact electricity
The measurement result of resistance carries out display output.
So, technical staff can by control terminal accurately, each device in control system efficiently, such that it is able to
Improve the accuracy and efficiency of detection contact resistance.
In conjunction with the possible implementation of the second of first aspect, in the third possible implementation of this first aspect,
Described system also includes pressure transducer, wherein:
Described pressure transducer is arranged between described inching gear and described second contact component, with described control terminal
It is electrically connected with, for detecting the contact pressure of described contact point, and is sent to described control terminal;
Described control terminal, the contact pressure being additionally operable to send described pressure transducer carries out display output.
So, pressure transducer is used can to detect and adjust the contact pressure of contact point in real time, to ensure contact point
The accuracy of contact pressure.
In conjunction with the first possible implementation of first aspect, in the 4th kind of possible implementation of this first aspect,
Described inching gear includes displacement controller, driver part and workbench, wherein:
Described workbench fixes with described second contact component;
Described displacement controller is electrically connected with described driver part, is used for controlling described driver part and drives described work
Platform moves.
So, this kind of inching gear is used can to ensure bigger mobile range and higher mobile accuracy.
In conjunction with the first possible implementation of first aspect, in the 5th kind of possible implementation of this first aspect,
Described pressure loading device includes spring, afterburning stud and abutment sleeve, wherein:
Described abutment sleeve is installed on the bracket;
Described first contact component is arranged in described abutment sleeve, is positioned at one end of described abutment sleeve;
The inner side of the other end of described abutment sleeve is provided with screw thread, described afterburning stud pass through described in be threadably mounted at institute
State the other end of abutment sleeve;
Described spring is installed in described abutment sleeve, and one end of described spring fixes with described first contact component,
The other end of described spring contacts with described afterburning stud, and the length of the most described spring is less than natural length.
So, can provide relatively stable at contact point by spring, afterburning stud and abutment sleeve, be easy to regulate
Pressure.
In conjunction with the first possible implementation of first aspect, in the 6th kind of possible implementation of this first aspect,
Described attemperating unit is arranged between described inching gear and described second contact component, respectively with described inching gear and described
Second contact component fixes.
So, inching gear is when changing the position of contact point, and attemperating unit together can move with the second contact component,
Do not interfere with the displacement of contact point.
In conjunction with the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of this first aspect,
Described attemperating unit includes heating controller, heater block, heat-conducting plate and temperature sensor, wherein:
Described heat-conducting plate fixes with described heater block and described second contact component respectively, and described temperature sensor sets
It is placed in described heat-conducting plate;
Described heating controller is electrically connected with described heater block, described temperature sensor respectively, for according to setting
Target temperature and described temperature sensor send detection temperature, control described heater block produce heat.
So, heat conduction version fixes with the second contact component, detects temperature in real time by temperature sensor simultaneously, and temperature control fills
Put the temperature that can accurately control contact point.
In conjunction with first aspect, in the 8th kind of possible implementation of this first aspect, described resistor detecting device includes
Power supply and voltmeter, wherein:
The both positive and negative polarity of described power supply is electrically connected with described first contact component and described second contact component respectively;
Two test sides of described voltmeter electrically connect with described first contact component and described second contact component respectively
Connect.
So, constant current source and voltmeter is used can to detect the contact resistance of contact point directly and accurately.
In conjunction with first aspect, in the 9th kind of possible implementation of this first aspect, described first contact component and institute
The distance stated between the contact point of the second contact component and two test sides of described voltmeter is respectively less than predetermined threshold value.
So, two test sides are the least with the distance of contact point, it is possible to reduce the electric conductivity docking of contact component itself
The impact of electric shock resistance.
In conjunction with first aspect, in the tenth kind of possible implementation of this first aspect, described first contact component is tactile
Head, described second contact component is print.
So, contact is used print can be used permissible so that pressure loading device applies contact pressure at contact point
It is easy to attemperating unit and controls the temperature of contact point.
The technical scheme that the embodiment of the present invention provides has the benefit that
The embodiment of the invention discloses a kind of Contact Resistance Test System, system includes inching gear, attemperating unit, pressure
Force loading device, resistor detecting device and contact-connection assembly for electric, use this system, and technical staff can be in relatively stable fine motion feelings
Under condition, temperature and pressure, measure the contact resistance of the contact point of the contact-connection assembly for electric of different materials, such that it is able to accurately
Measure the contact resistance of contact point, inching gear, attemperating unit, pressure can also be controlled respectively by the method for control variable simultaneously
Force loading device, to study the impact of the contact resistance of each factor butt contact.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the disclosure
Example, and for explaining the principle of the disclosure together with description.In the accompanying drawings:
Fig. 1 is the block schematic illustration of a kind of Contact Resistance Test System that the embodiment of the present invention provides;
Fig. 2 is the block schematic illustration of a kind of Contact Resistance Test System that the embodiment of the present invention provides;
Fig. 3 is the block schematic illustration of a kind of Contact Resistance Test System that the embodiment of the present invention provides;
Fig. 4 is the block schematic illustration of a kind of Contact Resistance Test System that the embodiment of the present invention provides;
Fig. 5 is the structural representation of a kind of inching gear that the embodiment of the present invention provides;
Fig. 6 is the structural representation of a kind of pressure loading device that the embodiment of the present invention provides;
Fig. 7 is the structural representation of a kind of attemperating unit that the embodiment of the present invention provides;
Fig. 8 is the structural representation of a kind of resistor detecting device that the embodiment of the present invention provides.
By above-mentioned accompanying drawing, it has been shown that the embodiment that the disclosure is clear and definite, hereinafter will be described in more detail.These accompanying drawings
With word, the scope being not intended to be limited disclosure design by any mode is described, but by with reference to specific embodiment being
Those skilled in the art illustrate the concept of the disclosure.
Marginal data:
1 inching gear 2 attemperating unit
3 pressure loading device 4 resistor detecting devices
5 contact-connection assembly for electric 51 first contact components
52 second contact component 6 supports
7 control terminal 8 pressure transducer
11 displacement controller 12 driver parts
13 workbench 31 springs
32 afterburning stud 33 abutment sleeves
34 screw thread 21 heating controllers
22 heater block 23 heat-conducting plates
24 temperature sensor 221 heating plates
222 heating chamber 41 power supplys
42 voltmeters
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiments provide a kind of Contact Resistance Test System, as it is shown in figure 1, system includes inching gear 1, temperature
Control device 2, pressure loading device 3, resistor detecting device 4 and contact-connection assembly for electric 5, contact-connection assembly for electric 5 include contacting with each other the
One contact component 51 and the second contact component 52, the contact site between the first contact component 51 and the second contact component 52 is for connecing
Contact, wherein: pressure loading device 3 and at least one the contact component phase in the first contact component 51 and the second contact component 52
Fixing, for controlling the contact pressure of contact point;In inching gear 1 and the first contact component 51 and the second contact component 52 extremely
A few contact component fixes, for changing the position of contact point;Attemperating unit 2 contacts with the first contact component 51 and second
At least one contact component in parts 52 fixes, for controlling the temperature of contact point;Two detections of resistor detecting device 4
End is electrically connected with the first contact component 51 and the second contact component 52 respectively, for detecting the contact resistance of contact point.
In force, contact-connection assembly for electric 5 includes the first contact component 51 and the second contact component 52 contacted with each other, first
The material of contact component 51 and the second contact component 52 can be identical, it is also possible to different, technical staff can pass through contact resistance
Test system and test in varied situations, the contact resistance of contact point between the first contact component 51 and the second contact component 52.
Contact-connection assembly for electric 5 can fix with pressure loading device 3, thus technical staff can be by controlling pressure loading device 3
Regulate the contact pressure between the first contact component 51 and the second contact component 52.Contact-connection assembly for electric 5 can also be with inching gear 1
Fixing, technical staff can make the first contact component 51 and the second contact component 52 according to default fortune by inching gear 1
The motion features such as dynamic frequency, amplitude, direction produce relative displacement.Being additionally provided with attemperating unit 2 in system, attemperating unit 2 is permissible
Fix with contact-connection assembly for electric 5, for controlling the temperature of contact-connection assembly for electric 5, i.e. control the first contact component 51 and contact with second
The temperature of contact point between parts 52.Two test sides of resistor detecting device 4 connect with the first contact component 51 and second respectively
Contact portion part 52 is electrically connected with, and can be used to detect the contact resistance between the first contact component 51 and the second contact component 52.This
Place, when contact-connection assembly for electric and other device fix, it is believed that be the first contact component 51 and second in contact-connection assembly for electric
At least one contact component in contact component 52 fixes with other device.
Optionally, as in figure 2 it is shown, system also includes support 6;Pressure loading device 3 and inching gear 1 are separately mounted to prop up
On frame 6;Pressure loading device 3 fixes with the first contact component 51 of contact-connection assembly for electric 5, inching gear 1 and contact-connection assembly for electric 5
The second contact component 52 fix;Inching gear 1, for controlling the motion of the second contact component.
In force, Contact Resistance Test System can also include support 6, for fixing each dress in this system
Put.Pressure loading device 3 and inching gear 1 may be mounted on support 6, simultaneously pressure loading device 3 can with contact connection
The first contact component 51 in device 5 fixes, and pressure loading device 3 can be loaded at contact point by the first contact component 51
Pressure.Inching gear 1 can fix with the second contact component 52 of contact-connection assembly for electric 5, so, inching gear 1 carry out micro-
During Dong, the second contact component 52 can be driven to move, and the first contact component 51 keeps static, such that it is able to control the
One contact component 51 and the second contact component 52 produce relative displacement.Furthermore, it is contemplated that external force can affect the motion of object, therefore
Inching gear 1 can control the second contact component 52 and persistently carry out displacement in the plane perpendicular with contact pressure, and connecing
Any displacement is there is not on the direction of touch pressure.Preferably, inching gear 1 can carry out displacement in horizontal plane, and contacts pressure
Power is the power on vertical direction.
Optionally, as it is shown on figure 3, system also include control terminal 7, wherein: control terminal 7 respectively with inching gear 1, temperature
Control device 2 and resistor detecting device 4 are electrically connected with;Control terminal 7, change the position of contact point for controlling inching gear 1, control
Attemperating unit 2 processed regulates the temperature of at least one contact component in the first contact component 51 and the second contact component 52, docking
The measurement result hindered of getting an electric shock carries out display output.
In force, control terminal 7 can be computer, computer respectively with inching gear 1, attemperating unit 2 and resistance
Detection device 4 is electrically connected with, thus computer can control inching gear 1 and produce fine motion, and control attemperating unit 2 regulates first and connects
The temperature of at least one contact component in contact portion part 51 and the second contact component 52, i.e. can be by regulating the temperature of contact component
Degree controls the temperature of contact point, and shows the measurement result of the contact resistance detected.Further, can be to detecting
The situation of change of contact resistance be analyzed, as the situation of change of contact resistance is shown in the form of images, go forward side by side
The corresponding prediction of row.Additionally, generally, pressure loading device 3 can be by technical staff's Non-follow control, it is also possible to by controlling
Terminal 7 is controlled.
Optionally, as shown in Figure 4, system also includes pressure transducer 8, wherein: pressure transducer 8 is arranged at inching gear
1 and second between contact component 52, is electrically connected with controlling terminal 7, for detecting the contact pressure of contact point, and is sent to control
Terminal 7 processed;Controlling terminal 7, the contact pressure being additionally operable to send pressure transducer 8 carries out display output.
In force, in order to accurately control the pressure in contact-connection assembly for electric 5, system can be provided with pressure transducer 8,
It is used for detecting the pressure size that pressure loading device 3 butt contact applies.Pressure transducer 8 can be arranged on inching gear 1 He
Between second contact component 52, so, inching gear 1 is when carrying out fine motion, and pressure transducer 8 can be with the second contact component 52
Keep geo-stationary, such that it is able to the contact pressure persistently detected between the first contact component 51 and the second contact component 52.Pressure
Sensor 8 can be electrically connected with controlling terminal 7, and so, the contact pressure detected can be sent to control by pressure transducer 8
Terminal 7 processed, controls terminal 7 and the contact pressure that pressure transducer 8 sends can carry out display output.Further, if on
State pressure loading device 3 and be controlled by controlling terminal 7, control the number that terminal 7 can detect based on pressure transducer 8 herein
Contact pressure is constantly adjusted by value, to guarantee the actual contact pressure of contact-connection assembly for electric 5 and the contact pressure preset
Difference is within limits.Arrange in view of pressure transducer 8 between inching gear 1 and the second contact component 52, then press
Force transducer about 8 both sides all there is a need to the platform installed, therefore selects upper and lower both sides to be equipped with the S type pressure sensing of screwed hole
Device.In native system, measurement range to pressure transducer 8 less demanding (measuring range can be 0-300g), wants certainty of measurement
Ask higher (measuring accuracy can be 1g), and S type pressure transducer meets these requirements, the load-bearing of S type pressure transducer simultaneously
Ability is relatively big, can support the weight of relevant apparatus.
Optionally, as it is shown in figure 5, inching gear 1 includes displacement controller 11, driver part 12 and workbench 13, wherein:
Workbench 13 fixes with the second contact component 52;Displacement controller 11 is electrically connected with driver part 12, is used for controlling to drive
Parts 12 drive workbench 13 to move.
In force, the impulse stroke of the inching gear 1 of native system can be 0-200um, and displacement resolution can reach
20nm, belongs to one-dimensional motor pattern, and inching gear 1 can include displacement controller 11, driver part 12 and workbench 13.Its
Middle driver part 12 is key component, and it is the place, source producing fine motion.Here can select piezoelectric ceramics as driver,
Piezoelectric ceramics is used directly to drive dual-layer Parallel plate elastic mechanism, it is possible to realize high-resolution linear motion.This mode
Being structurally characterized in that compact conformation, the rigidity on inoperative direction is relatively big, and the distortion inaccuracy produced by offseting is less.Bit andits control
Device 11 can be used to control driver part 12 and carries out persistent movement.Workbench 13 can be fixed, simultaneously with the second contact component 52
Being fixed on driver part 12, when driver part 12 works, the second contact component 52 on workbench 13 can be with drive division
Part 12 moves.Concrete, native system can use the micropositioner of MPT-1JNL104A, and this micropositioner uses piezoelectric ceramics and flexibility
Linkage, is controlled by special precision positioning controller, can be electrically connected with above-mentioned control terminal 7, skill simultaneously
Art personnel can use control terminal 7 to send dependent instruction, such that it is able to realize the control to inching gear 1.It addition, fine motion dress
Put and in 1, be also provided with displacement transducer, be used for detecting the motion conditions of workbench 13, and testing result is fed back to displacement
Controller 11, so that displacement controller 11 regulates driver part 12 according to testing result.
Driver part 12 includes that piezoelectric ceramics and displacement amplifying mechanism, displacement controller 11 control piezoelectric ceramics work, pressure
The deformation that electroceramics 121 produces can make workbench 13 move by displacement amplifying mechanism to workbench 13, and workbench 13
Displacement transducer processes its displacement signal detection to displacement controller 11, and displacement controller 11 collects signal by bus,
Process through calculating, readjust the driving module of piezoelectric ceramics according to the testing result of feedback.
Optionally, as shown in Figure 6, pressure loading device 3 includes spring 31, afterburning stud 32 and abutment sleeve 33, wherein:
Abutment sleeve 33 is installed on the frame 6;First contact component 51 is arranged in abutment sleeve 33, is positioned at the one of abutment sleeve 33
End;The inner side of the other end of abutment sleeve 33 is provided with screw thread 34, and afterburning stud 32 is arranged on abutment sleeve 33 by screw thread 34
The other end;Spring 31 is installed in abutment sleeve 33, and one end of spring fixes with the first contact component 51, another of spring
Hold and contact with afterburning stud 32, and the length of the most described spring is less than natural length.
In force, pressure loading device 3 includes spring 31, afterburning stud 32 and abutment sleeve 33, and abutment sleeve 33 is pacified
On the frame 6, for fixation pressure charger 3, the first contact component 51 is arranged in abutment sleeve 33 dress, is positioned at positioning sleeve
One end of cylinder 33, the inner side of the other end of abutment sleeve 33 is provided with screw thread 34, and it is fixed that afterburning stud 32 is arranged on by screw thread 34
The other end of position sleeve 33, spring 31 is installed in abutment sleeve 33, and one end of spring fixes with the first contact component 51, bullet
The other end of spring contacts with afterburning stud 32, and the length of operationally spring is less than natural length, i.e. during system work, and spring
It is in confined state.In order to make reinforcing more accurate, and prevent the screw thread in abutment sleeve 33 long, so can be pressure
Force loading device 3 set basic index as: from 0 reinforcing to 300g time, spring 31 needs to be compressed by afterburning stud 32 length of 30mm
Degree, if the pressure screw thread down that afterburning stud 32 uses pitch to be 1mm, then afterburning stud 32 often revolves and turns around, and just have dropped 1mm,
Have compressed spring 1mm, now in order to realize the pressure of 10g, the rigidity of spring 31 needs more than 0.098N/mm, just simultaneously
The full scale of the touch pressure that achieves a butt joint can be controlled.Meanwhile, system to have certain precision controlling to spring 31 reinforcing, so
The when that manual operation rotating afterburning stud 32, it is possible to control the precision of reinforcing with comparalive ease, it is able to light especially
Loose ground adjusts the change of 1g power, therefore can design and allow afterburning stud 32 often rotate 30 ° of power that just can apply 1g, and reinforcing spiral shell
After post 32 rotation is turned around, the power applied should be less than 12g, the i.e. rigidity of spring 31 and should be less than 0.118N/mm.According to above two
Individual requirement, can be 0.1N/mm by the rigidity Design of spring 31, and the most often compression 1mm spring 31 can produce the pressure of 10g, and
Applying every about 1g power needs to rotate afterburning stud 36 °.
Further, spring 31 natural length can be set as 50mm, a length of 20mm after compression, abutment sleeve 33 He
The internal diameter of bearing is 8mm, and accordingly, the diameter of spring 31 can be 8mm, owing in native system, spring 31 is fixed on abutment sleeve
In 33, less rigidity Design can be used, such as spring 31 gauge of wire d=0.6mm, curl up ratio C=13.3, simultaneously spring
The material of 31 can be high with selection intensity, and the piano wire of good toughness, so, as the number of active coils n=25 of spring 31, rigidity is just
For 0.1N/mm, comply fully with the design requirement started most, and other condition is also in the range of meeting.
Optionally, attemperating unit 2 is arranged between inching gear 1 and the second contact component 52, respectively with inching gear 1 and
Second contact component 52 fixes.
In force, in order to reduce the impact of the temperature of ambient temperature butt contact, can attemperating unit 2 be arranged at micro-
Dynamic between device 1 and the second contact component 52, and fix with inching gear 1 and the second contact component 52, so, at not shadow
On the premise of sound inching gear 1 drives the second contact component 52 to carry out persistent movement, can accurately control the second contact
The temperature of parts 52.
Optionally, as it is shown in fig. 7, attemperating unit 2 includes heating controller 21, heater block 22, heat-conducting plate 23 and temperature
Sensor 24, wherein: heat-conducting plate 23 fixes with heater block 22 and the second contact component 52 respectively, and temperature sensor 24 is arranged
In heat-conducting plate 23;Heating controller 21 is electrically connected with heater block 22, temperature sensor 24 respectively, for according to setting
The detection temperature that target temperature and temperature sensor 24 send, controls heater block 22 and produces heat.
In force, attemperating unit 2 includes heating controller 21, heater block 22, heat-conducting plate 23 and temperature sensor 24,
Heater block 22 can include heating plate 221 and heating chamber 222.Heating controller 21 is electrically connected with heater block 22, heating
Controller 21 controls heater block 22 and heats.Heat-conducting plate 23 fixes with heating chamber 222 and the second contact component 52 respectively,
Heat can be conducted to the second contact component 52 by heating chamber 222 and heat-conducting plate 23 by heating plate 221.Temperature sensor 24 sets
Being placed in heat-conducting plate 23, temperature sensor 24 can measure the actual temperature value of the second contact component 52, and feed back to and add thermal control
Device 21 processed, actual temperature value is contrasted by heating controller 21 with preset temperature value, decides whether to continue heating.
Concrete, heat-conducting plate 23 needs to bear the pressure that the second contact component 52 is applied by pressure loading device 3, so wanting
Ask and there is certain mechanical strength, simultaneously need to the preferably capacity of heat transmission, comprehensive these requirements, No. 45 steel plate conducts can be selected
Material.Temperature sensor 24 may be mounted in the lateral orifices of heat-conducting plate 23, is in the underface of the second contact component 52, will not
Affect the installation of the second contact component 52.Heating chamber can be the shell chamber moulding of an opening, and heat-conducting plate is fixed in upper end
23, lower end fixation pressure sensor 8, inside is placed with heating plate.Additionally, due to the special effect of heating chamber and applied environment, it
Material in addition to must having certain intensity, in addition it is also necessary to ensure certain temperature tolerance and thermal insulation, so selecting here
Use polyphenylene oxide or other qualified engineering plastics, it addition, in order to be conducive to the conduction of heat and improve the efficiency of heating surface, adding
The surrounding of the cuddy inside hot cell 222 and bottom surface, can all stick thermal isolation film, makes the heat that heating plate 221 generates can only be to
On transmit heat by heat-conducting plate 23.Heating plate as thermal source, can be transmitted through the aperture of heating chamber 222 side by wire and be added
Heat controller 21 is connected.For the less space of heat-conducting plate 23 in coupled system, the pt100 platinum thermoelectricity of small volume can be selected
Its resistance, as temperature sensor 24, is changed into voltage signal by corresponding circuit by resistance, is input to test among circuit.
Its resistance, with the direct ratio that is changing into of temperature, at the uniform velocity can increase along with temperature rises to form.When PT100 temperature is 0 DEG C it
Resistance is 100 ohm, the most often raises 1 DEG C, and resistance raises 0.385 Europe, so its resistance is about 138.5 Europe when 100 DEG C
Nurse.The line of this resistance is three-wire system, i.e. this resistance connects altogether three of the wires, is one, and another side is two, uses
This bus connection method be because can with circuit electric bridge with the use of, it is possible to eliminate wire Resistance Influence.On furthermore, it is contemplated that
State pressure transducer 8, owing to system relates to the measurement to pressure, so in order to both realize heating function, the most not affecting pressure
The collection of power numerical value, can be placed on below attemperating unit 2 by pressure transducer 8, and pressure then can leading by intensity stabilization
Hot plate 23 and heating chamber 222 are delivered to lower section, ensure that connecing of attemperating unit 2 and the second contact component 52 minimum distance simultaneously
Touch, it is possible to achieve high-efficiency heat conduction.
Optionally, as shown in Figure 8, resistor detecting device 4 includes power supply 41 and voltmeter 42, wherein: power supply 41 positive and negative
Pole is electrically connected with the first contact component 51 and the second contact component 52 respectively;Two test sides of voltmeter 42 are respectively with first
Contact component 51 and the second contact component 52 are electrically connected with.
In force, resistor detecting device 4 can be constant-current source and voltmeter, or constant pressure source and ammeter, or
It it is ohmmeter.Selecting constant-current source 41 and the combination of voltmeter 42 in native system, Fig. 8 shows the simple mould of resistor detecting device 4
Type, contact-connection assembly for electric 5 can be with an external constant-current source 41, the stabling current Ic required for output, constant-current source 41 two ends respectively with
First contact component 51 and the second contact component 52 connect, i.e. I+ and I-in figure two is electrically connected with contact, and then electric current is permissible
It is electrically connected with contact through two, forms a loop.Two test sides of voltmeter 42 respectively with the first contact component 51 and
Two contact components 52 are electrically connected with, and whereby it can be detected that the voltage at contact point two ends in contact-connection assembly for electric 5.So, control eventually
End 7 then can calculate the resistance of contact point according to the current value that the magnitude of voltage detected and constant-current source export.
Optionally, two test sides of the contact point of the first contact component 51 and the second contact component 52 and voltmeter 42 it
Between distance be respectively less than predetermined threshold value.
In force, due to systematic survey is the resistance of contact point in contact-connection assembly for electric 5, will reduce other portions as far as possible
The impact of position resistance, therefore it is required that in test loop part, the contact point of the first contact component 51 and the second contact component 52 with
Distance between two test sides of voltmeter 42 is respectively less than predetermined threshold value, and i.e. two test sides will be as far as possible near contact
Point.
Optionally, the first contact component 51 is contact, and the second contact component 52 is print.
In force, can select the first contact component 51 in native system is contact, and the second contact component 52 is print, pressure
Force loading device 3, by pressure-like sheet under contact, produces the force value preset at contact point, and print is arranged on attemperating unit 2
On, it is simple to it is heated.
Optionally, support 6 includes gripper shoe, support column and base, wherein: gripper shoe fixes with pressure loading device 3;
Attemperating unit 2 fixes with inching gear 1, and inching gear 1 is fixed on base;Support column is used for connecting gripper shoe and base.
In force, gripper shoe, support column and base collectively form support 6, and pressure loading device 3 can be fixed on support
On plate, inching gear 1 is arranged on base, can be provided with guide rail in base in the direction of motion of inching gear 1, and fine motion fills
Putting 1 and can carry out persistent movement along guide rail, support column is used for connecting gripper shoe and base.
Optionally, system includes that at least one test component, each test component include 1, temperature of an inching gear
Control device 3, resistor detecting device 4 of 2, pressure loading device and a contact-connection assembly for electric 5.
In force, system can include that at least one test component, each test component can be independent connecing
Getting an electric shock and hinder test subsystems, the most each test component includes an inching gear 2, pressure-loaded of 1, attemperating unit
3, resistor detecting device 4 of device and a contact-connection assembly for electric 5.So, when system comprises multiple test component, permissible
The mode using control variable detects the impact on contact resistance of each factor, and such as different test components can select different contact
Pressure, temperature, fine motion situation, the material of contact component, whereby it can be detected that the situation of change of contact resistance under different condition.
Optionally, system also includes that test component actuating device, test component actuating device include slide block, guide rail and spiral shell
Bar, wherein: guide rail fixes with base;Test component is fixed on slide block;Screw rod is used for controlling slide block and carries out displacement along guide rail.
In force, system can include that test component actuating device, above-mentioned test component may be mounted at test component
On actuating device, concrete, test component actuating device can include slide block, guide rail and screw rod, guide rail can with in support 6
Base fixes, and test component can be fixed on slide block, and screw rod may be used for controlling slide block and carries out displacement along guide rail, so,
Technical staff can control the movement of the device such as slide block and slide block top inching gear 1, attemperating unit 2 by screw rod, side
Just relevant apparatus is moved outside gripper shoe and pressure loading device 3 region, to carry out the installation of contact-connection assembly for electric 5 and to tear open
Unload, the work such as designing wiring.
The embodiment of the invention discloses a kind of Contact Resistance Test System, system includes inching gear, attemperating unit, pressure
Force loading device, resistor detecting device and contact-connection assembly for electric, use this system, and technical staff can be in relatively stable fine motion feelings
Under condition, temperature and pressure, measure the contact resistance of the contact point of the contact-connection assembly for electric of different materials, such that it is able to accurately
Measure the contact resistance of contact point, inching gear, attemperating unit, pressure can also be controlled respectively by the method for control variable simultaneously
Force loading device, to study the impact of the contact resistance of each factor butt contact.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can pass through hardware
Completing, it is also possible to instruct relevant hardware by program and complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read only memory, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (11)
1. a Contact Resistance Test System, it is characterised in that described system includes inching gear, attemperating unit, pressure-loaded
Device, resistor detecting device and contact-connection assembly for electric, described contact-connection assembly for electric includes the first contact component and second contacted with each other
Contact component, the contact site between described first contact component and described second contact component is contact point, wherein:
Described pressure loading device and at least one contact component in described first contact component and described second contact component
Fix, for controlling the contact pressure of described contact point;
Described inching gear and at least one contact component in described first contact component and described second contact component are solid mutually
Fixed, for changing the position of described contact point;
Described attemperating unit and at least one contact component in described first contact component and described second contact component are solid mutually
Fixed, for controlling the temperature of described contact point;
Two test sides of described resistor detecting device are electrical with described first contact component and described second contact component respectively
Connect, for detecting the contact resistance of described contact point.
System the most according to claim 1, it is characterised in that described system also includes support;
Described pressure loading device and described inching gear are respectively mounted on the bracket;
Described pressure loading device fixes with the first contact component of described contact-connection assembly for electric, and described inching gear connects with described
The second contact component touching adapter fixes;
Described inching gear, for controlling the motion of described second contact component.
System the most according to claim 2, it is characterised in that described system also includes controlling terminal, wherein:
Described control terminal is electrically connected with described inching gear, described attemperating unit and described resistor detecting device respectively;
Described control terminal, changes the position of described contact point for controlling described inching gear, controls described attemperating unit and adjusts
Save the temperature of at least one contact component in described first contact component and described second contact component, to described contact resistance
Measurement result carry out display output.
System the most according to claim 3, it is characterised in that described system also includes pressure transducer, wherein:
Described pressure transducer is arranged between described inching gear and described second contact component, electrical with described control terminal
Connect, for detecting the contact pressure of described contact point, and be sent to described control terminal;
Described control terminal, the contact pressure being additionally operable to send described pressure transducer carries out display output.
System the most according to claim 2, it is characterised in that described inching gear includes displacement controller, driver part
And workbench, wherein:
Described workbench fixes with described second contact component;
Described displacement controller is electrically connected with described driver part, is used for controlling described driver part and drives described workbench to move
Dynamic.
System the most according to claim 2, it is characterised in that described pressure loading device include spring, afterburning stud and
Abutment sleeve, wherein:
Described abutment sleeve is installed on the bracket;
Described first contact component is arranged in described abutment sleeve, is positioned at one end of described abutment sleeve;
The inner side of the other end of described abutment sleeve is provided with screw thread, described afterburning stud pass through described in be threadably mounted at described fixed
The other end of position sleeve;
Described spring is installed in described abutment sleeve, and one end of described spring fixes with described first contact component, described
The other end of spring contacts with described afterburning stud, and the length of the most described spring is less than natural length.
System the most according to claim 2, it is characterised in that described attemperating unit is arranged at described inching gear and described
Between second contact component, fix with described inching gear and described second contact component respectively.
System the most according to claim 7, it is characterised in that described attemperating unit include heating controller, heater block,
Heat-conducting plate and temperature sensor, wherein:
Described heat-conducting plate fixes with described heater block and described second contact component respectively, and described temperature sensor is arranged at
In described heat-conducting plate;
Described heating controller is electrically connected with described heater block, described temperature sensor respectively, for according to the mesh arranged
The detection temperature that mark temperature and described temperature sensor send, controls described heater block and produces heat.
System the most according to claim 1, it is characterised in that described resistor detecting device includes power supply and voltmeter, its
In:
The both positive and negative polarity of described power supply is electrically connected with described first contact component and described second contact component respectively;
Two test sides of described voltmeter are electrically connected with described first contact component and described second contact component respectively.
System the most according to claim 1, it is characterised in that described first contact component and described second contact component
Contact point and two test sides of described voltmeter between distance be respectively less than predetermined threshold value.
11. systems according to claim 1, it is characterised in that described first contact component is contact, described second contact
Parts are print.
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Cited By (9)
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CN108344898A (en) * | 2018-01-31 | 2018-07-31 | 华南理工大学 | A kind of preformed armor rods incision position contact resistance experimental measurement method based on heat to electricity conversion |
CN109738748A (en) * | 2018-12-19 | 2019-05-10 | 北京邮电大学 | Film micro area contact resistance measuring system |
CN109828155A (en) * | 2019-02-28 | 2019-05-31 | 兰州大学 | Three-dimensional loads contact resistance test device under a kind of controllable temperature |
CN109870612A (en) * | 2019-01-23 | 2019-06-11 | 杭州川源科技有限公司 | A kind of resistance test equipment |
CN110554244A (en) * | 2019-09-20 | 2019-12-10 | 裕东(中山)机械工程有限公司 | Mobile online resistance detection system for electrostatic powder spraying |
CN111693844A (en) * | 2020-04-22 | 2020-09-22 | 全球能源互联网研究院有限公司 | Test device and test method for pressure-bonding type semiconductor device, and electronic apparatus |
CN112424620A (en) * | 2018-07-24 | 2021-02-26 | Amad 曼奈柯斯控股有限责任两合公司 | Monitoring of contact areas in a plug arrangement |
CN114995525A (en) * | 2022-08-01 | 2022-09-02 | 上海隐冠半导体技术有限公司 | Motion platform and energy storage state adjusting method |
CN115128349A (en) * | 2022-07-04 | 2022-09-30 | 河北工业大学 | Contact resistance measuring device under combined action of temperature and pressure |
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Cited By (11)
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CN108344898A (en) * | 2018-01-31 | 2018-07-31 | 华南理工大学 | A kind of preformed armor rods incision position contact resistance experimental measurement method based on heat to electricity conversion |
CN112424620A (en) * | 2018-07-24 | 2021-02-26 | Amad 曼奈柯斯控股有限责任两合公司 | Monitoring of contact areas in a plug arrangement |
CN109738748A (en) * | 2018-12-19 | 2019-05-10 | 北京邮电大学 | Film micro area contact resistance measuring system |
CN109870612A (en) * | 2019-01-23 | 2019-06-11 | 杭州川源科技有限公司 | A kind of resistance test equipment |
CN109828155A (en) * | 2019-02-28 | 2019-05-31 | 兰州大学 | Three-dimensional loads contact resistance test device under a kind of controllable temperature |
CN109828155B (en) * | 2019-02-28 | 2024-01-12 | 兰州大学 | Three-way loading contact resistance testing device under controllable temperature |
CN110554244A (en) * | 2019-09-20 | 2019-12-10 | 裕东(中山)机械工程有限公司 | Mobile online resistance detection system for electrostatic powder spraying |
CN111693844A (en) * | 2020-04-22 | 2020-09-22 | 全球能源互联网研究院有限公司 | Test device and test method for pressure-bonding type semiconductor device, and electronic apparatus |
CN115128349A (en) * | 2022-07-04 | 2022-09-30 | 河北工业大学 | Contact resistance measuring device under combined action of temperature and pressure |
CN114995525A (en) * | 2022-08-01 | 2022-09-02 | 上海隐冠半导体技术有限公司 | Motion platform and energy storage state adjusting method |
CN114995525B (en) * | 2022-08-01 | 2022-12-13 | 上海隐冠半导体技术有限公司 | Motion platform and energy storage state adjusting method |
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