CN206906484U - Rotate plug-in type contact resistors of electric connector on-line measurement device - Google Patents
Rotate plug-in type contact resistors of electric connector on-line measurement device Download PDFInfo
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- CN206906484U CN206906484U CN201720732376.0U CN201720732376U CN206906484U CN 206906484 U CN206906484 U CN 206906484U CN 201720732376 U CN201720732376 U CN 201720732376U CN 206906484 U CN206906484 U CN 206906484U
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Abstract
The utility model discloses rotation plug-in type contact resistors of electric connector on-line measurement device.Electric connector manually plugs that measuring method is slow, error is big.The utility model includes heating unit, socket grip unit, plug grip unit, planet-gear speed reducer, solid shafting motor and mechanical control unit;Socket grip unit is made up of socket fixing board, rhombus polished rod support base, compression spring, polished rod, vertical rack plate, self-lubricating linear sliding bearing, plate muscle, plate muscle base, thermal insulation board, cushion block, travelling bottom plate, screw mandrel, slide rail, sliding block, screw drive motor, contact-making switch and the heat-insulated shield of organ type;Plug grip unit is made up of gear-box left plate, gear-box right panel, vertical gripper shoe, plug fixture, hollow shaft, bearing a set of cups, little gear, gear wheel, heat insulating ceramic pipe, bearing cap and solid shafting.The utility model reduces the influence of the factors such as the vibrations occurred during manual measurement contact resistance, accurately rapid abutting joint electric shock resistance can measure.
Description
Technical field
The utility model belongs to contact resistance technical field of measurement and test, and in particular to a kind of electric connector is inserted automatically at high temperature
The contact resistance on-line measurement device pulled out.
Background technology
Electric connector is to transmit electric energy and the essential interface element of signal, in works such as Aeronautics and Astronautics, weapons, electronics
Application is big in the change system of industry department, a considerable number of, status is important.Electric connector contact failure accounts for what is always failed
45.1%, the contact resistance of accurate efficiently measurement electric connector contact pair, for the accurate evaluation of electric connector contact reliability
It is most important.The method that the reliability assessment of electric connector typically uses accelerated test at present, current storage life accelerate examination
Test except considering the standing time in inventory environment, it is also contemplated that such as plugged under stored condition more multifactor to product storage
The influence in life-span.
Most of experiment the method for manual measurement, needs to be cooled to room temperature again using artificial plug at present before measurement
Plugged and measured, recover to need big frequency to go to sample to the curve of normal value at different temperatures, it is artificial to plug measurement side
Method is slow, numerous, error is big, error-prone, and the measuring technology level of different testers is different.Therefore need a kind of automatic plug
Electric connector, automatic measurement contact resistance device is artificial to substitute, and improves efficiency, cost-effective.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of contact resistors of electric connector on-line measurement
Device, multiple electric connectors automatic plug at high temperature, and the automatic measurement of contact resistors of electric connector are realized, so as to realize
To the quantitative evaluation of electric connector contact characteristic.
To reach above-mentioned purpose, what the utility model was achieved through the following technical solutions:
The utility model includes heating unit, socket grip unit, plug grip unit, planet-gear speed reducer, solid shafting
Motor and mechanical control unit.Described solid shafting motor is controlled by mechanical control unit.Described socket clamping
Unit by socket fixing board, rhombus polished rod support base, compression spring, polished rod, vertical rack plate, self-lubricating linear sliding bearing,
Plate muscle, plate muscle base, thermal insulation board, cushion block, travelling bottom plate, screw mandrel, slide rail, sliding block, screw drive motor, contact-making switch and organ
The heat-insulated shield composition of formula.Socket fixing board, which is evenly distributed, opens up n socket aperture, n≤12;One end of k root polished rods passes through rhombus
Polished rod support base, which is evenly distributed, to be fixed on socket fixing board, and the other end is supported on vertically by self-lubricating linear sliding bearing
On supporting plate, k >=3;Polished rod is nested with compression spring on the shaft part between socket fixing board and vertical rack plate;Vertical rack plate
It is fixed on by plate muscle on plate muscle base, plate muscle base is fixed on thermal insulation board, and thermal insulation board is fixed on two pieces of cushion blocks, two pieces of pads
Block is each attached on travelling bottom plate;The sliding block and nut block for being fixed on travelling bottom base plate are fixed, and form sliding pair with guide rail;
Nut block forms screw pair with screw mandrel;Screw mandrel is fixed on fuselage by bearing, and is driven by screw drive motor.Described adds
Hot cell includes resistive heater and cabinet;Cabinet bottom is provided with rectangular through-hole, and case side wall center offers manhole, should
Side wall also opens up wire guide and the n manholes being uniformly distributed along the circumference;Resistive heater is fixed on cabinet bottom.Two organ types
One end of heat-insulated shield is fixed respectively with two pieces of cushion blocks and thermal insulation board both sides, the other end and cabinet of two heat-insulated shields of organ type
Rectangular through-hole two side fix respectively;Contact-making switch is with outgoing signal during travelling contacts baseplate to mechanical control unit;Heating
Resistance wire and screw drive motor control by mechanical control unit.
Described plug grip unit by gear-box left plate, gear-box right panel, vertical gripper shoe, plug fixture, hollow shaft,
Bearing a set of cups, little gear, gear wheel, heat insulating ceramic pipe, bearing cap and solid shafting composition.Described gear-box left plate and gear-box
Right panel is fixed on vertical gripper shoe both sides;Equal fixing axle in the centre bore of gear-box left plate and n set cup aperture being evenly distributed
Equal fixing bearing a set of cups in bearing sleeve cup, the centre bore of gear-box right panel and n set cup aperture being evenly distributed;Each set cup aperture with
Corresponding socket axially bored line alignment is set;Solid shafting both ends are supported in gear-box left plate and gear-box right panel by bearing
At heart hole on bearing a set of cups, gear wheel is fixed on solid shafting;Solid shafting motor is driven solid by planet-gear speed reducer
Axle;In addition to central hole bearing a set of cups, the one-to-one each two bearing a set of cups in position in gear-box left plate and gear-box right panel
A piece hollow shaft is supported by bearing;A little gear, inner locking-type plug fixture are fixed in every hollow shaft outer end;All small teeth
Wheel engages with gear wheel.Heat insulating ceramic pipe is nested with every hollow shaft;One end of heat insulating ceramic pipe passes through the center of bearing cap
Kong Bingyu bearing caps are fixed;Bearing cap is fixed on corresponding to gear-box right panel on bearing a set of cups.
Described socket fixing board, rhombus polished rod support base, compression spring, polished rod, vertical rack plate, self-lubricating straight line are slided
Dynamic bearing, plate muscle, plate muscle base and plug fixture are arranged in cabinet;Thermal insulation board and cushion block are arranged at the square of cabinet bottom
In shape through hole.
Described screw drive motor uses serial screw drive motor, and solid shafting motor is using serial stepping electricity
Machine.
Described wire guide is arranged on case side wall bottom.
The utility model also includes data acquisition unit;Described data acquisition unit is opened by signal conditioning circuit, simulation
Powered-down road, data collecting card and constant-current source composition;Signal conditioning circuit and electric connector socket and electrical connector plug afterbody pair
A pair of the zinc-plated wires answered are connected, and measure the voltage signal of electric connector, and carry out signal condition and amplification;Each electric connector
In, the zinc-plated wire of odd number root of electrical connector plug is connected with the zinc-plated wire of neighbouring even-numbered root of serial number, and electric connector is inserted
The zinc-plated wire of even number root of seat is connected with the zinc-plated wire of adjacent odd root of serial number;Connect electrical connector plug or electric connector
Last not being connected in socket with the previous zinc-plated wire of numbering numbers zinc-plated wire and picks out lead A, electric connector socket
The zinc-plated wire of first numbering picks out lead B;Electric connector serial number, lead B and the next electricity of an electric connector
The lead A of connector is connected, the lead A of first electric connector and the lead B of last electric connector with constant-current source phase
Even, constant-current source provides constant current;Analog switching circuit is intended switch by 30 modelings and formed, every three correspondences, one electrical connection
Device, analog switching circuit are connected with signal conditioning circuit, and the voltage signal in signal conditioning circuit is converted into data signal, number
It is connected according to capture card with analog switching circuit, data signal is acquired and is delivered to computer disposal analysis.Data acquisition
Card uses model PCI-1747U.
Described heating unit also includes air blower, temperature sensor and insulation material;Air blower is fixed on cabinet with opening
If in the relative another side wall of manhole, temperature sensor is fixed on cabinet at the manhole of center;In cabinet
Wall sets insulation material.
Described mechanical control unit is by controlling machine box, operation interface and the heating unit temperature being arranged in controlling machine box
Controller, PLC screw drive motors controller and screw drive motor driver composition.Heating unit temperature controller and heating
Resistive heater, the temperature sensor of unit are connected with air blower;Screw drive motor driver drives with contact-making switch, screw mandrel
Motor is connected with solid shafting motor, and PLC screw drive motors controller is connected with screw drive motor driver.Operate boundary
Face is connected with heating unit temperature controller and PLC screw drive motor controllers.
The utility model realizes the automatic plug of electric connector, and the automatic on-line of contact resistance under the high temperature conditions
Measurement, the artificial influence taken out and be cooled to normal temperature this some factors to contact resistors of electric connector is avoided that during accelerated test,
And can prevent the relative position of electrical connector plug and electric connector socket from rotating during the rotation of plug fixture, reduce people
Work measures the influence of the factors such as the vibrations occurred during contact resistance, accurately rapid abutting joint electric shock resistance can measure, so as to essence
Standard is assessed performances such as the life-spans of electric connector.
Brief description of the drawings
Fig. 1 is overall structure stereogram of the present utility model;
Fig. 2 is that the utility model removes the structural perspective after heating unit;
Fig. 3 is signal connection diagram of the present utility model;
Fig. 4 is electric connector socket and electrical connector plug scheme of installation;
Fig. 5 is the assembling schematic diagram of plug grip unit in the utility model;
Fig. 6 is the structural representation of electric connector;
Fig. 7-1 is the supply current wiring schematic diagram of electric connector socket;
Fig. 7-2 is the supply current wiring schematic diagram of electrical connector plug;
In figure:1st, heating unit;2nd, socket grip unit;2-1, socket fixing board;2-2, rhombus polished rod support base;2-3、
Compression spring;2-4, polished rod;2-5, vertical rack plate;2-6, self-lubricating linear sliding bearing;2-7, plate muscle;2-8, plate muscle bottom
Seat;2-9, thermal insulation board;2-10, cushion block;2-11, travelling bottom plate;2-12, screw mandrel;2-13, slide rail;2-14, sliding block;2-15, screw mandrel
Motor;2-16, contact-making switch;The heat-insulated shield of 2-17, organ type;3rd, plug grip unit;3-1, gear-box left plate;3-2、
Gear-box right panel;3-3, vertical gripper shoe;3-4, plug fixture;3-5, hollow shaft;3-6, bearing a set of cups;3-7, little gear;3-
8th, gear wheel;3-9, heat insulating ceramic pipe;3-10, bearing cap;3-11, solid shafting;4th, planetary reducer;5th, solid shafting driving electricity
Machine;6th, fuselage;7th, mechanical control unit;7-1, heating unit temperature controller;7-2, PLC screw drive motor controller;7-
3rd, screw drive motor driver;7-4, controlling machine box;7-5, operation interface;8th, data acquisition unit;8-1, signal condition electricity
Road;8-2, analog switching circuit;8-3, data collecting card;8-4, constant-current source;9th, computer;10th, electric connector;10-1, it is electrically connected
Connect device socket;10-2, electrical connector plug;10-3, electric connector buckle set;10-4, electric connector bonnet;10-5, high temperature plating
Zinc wire;10-6, breach.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, rotation plug-in type contact resistors of electric connector on-line measurement device, including heating unit 1, socket folder
Hold unit 2, plug grip unit 3, planet-gear speed reducer 4, solid shafting motor 5, mechanical control unit 7, data acquisition list
Member 8, computer 9 and fuselage 6.
(1) electric connector 10 of on-line measurement, the model of Hangzhou Astronautic Electronic Technology Co., Ltd. is used in the present embodiment
Y11P-1419ZK10-2 electric connector:As shown in fig. 6, electric connector 10 includes electric connector socket 10-1, electric connector is inserted
Head 10-2, electric connector buckle set 10-3, electric connector bonnet 10-4 and zinc-plated wire 10-5.Electric connector socket 10-1 and electricity
Connector plug 10-2 tail end is connected to zinc-plated wire 10-5;Electric connector buckle set 10-3 is nested with electrical connector plug
Outside 10-2, and revolute is formed with electrical connector plug 10-2;Electric connector bonnet 10-4 and electrical connector plug 10-2 tail ends
It is connected through a screw thread;Electric connector bonnet 10-4 tail ends are provided with integrally formed quiet clamping arc plate, move and clamp arc plate and quiet clamping
Arc plate is bolted;The zinc-plated wire 10-5 of electrical connector plug 10-2 tail ends clamps arc plate and quiet clamping arc plate through dynamic
Between space;Due to the electrical connector plug 10-2 afterbodys of most rotary type electric connectors 10 be equipped with it is dynamic clamp arc plate with it is quiet
Arc plate is clamped, so the utility model measurement apparatus is applied to most rotary type electric connectors 10.
(2) socket grip unit 2:As shown in Fig. 2 socket grip unit 2 is supported by socket fixing board 2-1, rhombus polished rod
Seat 2-2, compression spring 2-3, polished rod 2-4, vertical rack plate 2-5, self-lubricating linear sliding bearing 2-6, plate muscle 2-7, plate muscle bottom
Seat 2-8, thermal insulation board 2-9, cushion block 2-10, travelling bottom plate 2-11, screw mandrel 2-12, slide rail 2-13, sliding block 2-14, screw drive motor
2-15, contact-making switch 2-16 and the heat-insulated shield 2-17 compositions of organ type.Screw drive motor 2-15 is using 57 serial screw mandrel drivings
Motor.Socket fixing board 2-1 is evenly distributed the socket aperture for opening up ten fixed electric connector socket 10-1;Five polished rod 2-4
One end be evenly distributed and be fixed on socket fixing board 2-1 by rhombus polished rod support base 2-2, the other end is straight by self-lubricating
Line sliding bearing 2-6 is supported on vertical rack plate 2-5;Polished rod is located at the shaft part between socket fixing board and vertical rack plate 2-5
On be nested with compression spring 2-3;Vertical rack plate is fixed on plate muscle base 2-8 by plate muscle 2-7, and plate muscle base is fixed on heat-insulated
On plate 2-9, thermal insulation board is fixed on two pieces of cushion block 2-10, and two pieces of cushion blocks are each attached on travelling bottom plate 2-11;It is fixed on travelling
Sliding block 2-14 and the nut block of bottom base plate are fixed, and form sliding pair with guide rail 2-13;Nut block forms spiral shell with screw mandrel 2-12
Rotation is secondary;Screw mandrel is fixed on fuselage by bearing, and is driven by screw drive motor 2-15.
As shown in figs. 1 and 4, heating unit 1 includes resistive heater, air blower, temperature sensor, insulation material and machine
Case;Cabinet is fixed on fuselage;Cabinet bottom is provided with rectangular through-hole, and case side wall center offers manhole, and the side wall is also
Open up wire guide and ten manholes being uniformly distributed along the circumference;Wire guide is arranged on the sidewall bottom.Resistive heater is fixed on
Cabinet bottom, air blower are fixed in cabinet another side wall relative with opening up manhole, and temperature sensor is fixed on cabinet
At the manhole of center;Cabinet inwall sets insulation material.
As shown in Figures 2 and 4, the heat-insulated shield 2-17 of two organ types one end and two pieces of cushion blocks and thermal insulation board both sides are solid respectively
Fixed, the heat-insulated shield 2-17 of the two organ types other end and the rectangular through-hole two side of cabinet are fixed respectively;Contact-making switch 2-16
It is fixed on fuselage, outgoing signal when being contacted with travelling bottom plate 2-11.
Screw drive motor 2-15 drive screws 2-14 realizes travelling bottom plate 2-11 horizontal movements on slide rail 2-13 so that
The vertical rack plate 2-5 horizontal movements being fixed on travelling bottom plate 2-11, so as to drive socket fixing board 2-1 and installed in insert
Electric connector socket 10-1 on seat fixed plate 2-1 realizes the motion of horizontal direction.Meanwhile the heat-insulated shield 2-17 of organ type can be with
Travelling bottom plate 2-11 to move left and right realization compression and stretch, organ type heat-insulated shield 2-17 and thermal insulation board 2-9 has heat-insulated guarantor
The function of temperature.
(3) plug grip unit 3:As shown in Fig. 1,2,4 and 5, plug grip unit 3 is by gear-box left plate 3-1, gear-box
Right panel 3-2, vertical gripper shoe 3-3, plug fixture 3-4, hollow shaft 3-5, bearing a set of cups 3-6, little gear 3-7, gear wheel 3-8,
Heat insulating ceramic pipe 3-9, bearing cap 3-10 and solid shafting 3-11 compositions.Solid shafting motor 5 uses 86 serial stepper motors.
Gear-box left plate 3-1 and gear-box right panel 3-2 are fixed on vertical gripper shoe 3-3 both sides;In gear-box left plate 3-1
Fixing bearing a set of cups 3-6 in heart hole and be evenly distributed ten set cup aperture, gear-box right panel 3-2 centre bore and circumferentially
Fixing bearing a set of cups 3-6 in ten uniform set cup aperture;Solid shafting 3-11 both ends are supported on gear-box left plate 3-1 by bearing
On gear-box right panel 3-2 central hole bearing a set of cups, gear wheel 3-8 is fixed on solid shafting;Solid shafting motor 5 is logical
Cross planet-gear speed reducer 4 and drive solid shafting 3-11;In addition to central hole bearing a set of cups, gear-box left plate 3-1 and gear-box right panel
The one-to-one each two bearing a set of cups 3-6 in the upper positions of 3-2 supports a hollow shaft 3-5 by bearing;Every hollow shaft outer end
Fix little gear a 3-7, inner locking-type plug fixture 3-4;Electric connector buckle covers 10-3 and plug fixture 3-4 by along week
Fixed to three uniform holding screws.All little gears engage with gear wheel.Heat insulating ceramic pipe is nested with every hollow shaft
3-9;Heat insulating ceramic pipe 3-9 one end passes through the centre bore of bearing cap and fixed with bearing cap, after other end insertion electric connector
Cover between 10-4 dynamic clamping arc plate and quiet clamping arc plate, then move clamping arc plate and tightened with the bolt on quiet clamping arc plate;Axle
Lid 3-10 is held to be fixed on corresponding to gear-box right panel on bearing a set of cups;The zinc-plated wire 10-5 of electrical connector plug 10-2 afterbodys is worn
Cross heat insulating ceramic pipe 3-9;Electrical connector plug 10-2 corresponds with electric connector socket 10-1 positions.
Solid shafting motor 5 is rotated by the deceleration solid shafting 3-11 of planet-gear speed reducer 4, is fixed on solid shafting
Gear wheel 3-8 drive the little gear 3-7 that is engaged with to rotate, little gear 3-7 drives hollow shaft 3-5 to rotate, slotting so as to drive
Fixture head 3-4 rotates, and realizes the electric connector buckle set 10-3 rotations to being fixed in plug fixture 3-4 so that electric connector
Plug 10-2 and electric connector socket 10-1 is unlocked or locked.
Socket fixing board 2-1, rhombus polished rod support base 2-2, compression spring 2-3, polished rod 2-4, vertical rack plate 2-5, from
Lubrication linear slide bearing 2-6, plate muscle 2-7, plate muscle base 2-8 and plug fixture 3-4 are arranged in cabinet;Thermal insulation board 2-9
It is arranged at cushion block 2-10 in the rectangular through-hole of cabinet bottom.
(4) mechanical control unit 7:As shown in figure 3, mechanical control unit 7 is by controlling machine box 7-4, operation interface 7-5 and sets
Put heating unit temperature controller 7-1, PLC screw drive motor controller 7-2 and screw mandrel driving electricity in controlling machine box 7-4
Machine driver 7-3 is formed.Heating unit temperature controller 7-1 and heating unit 1 resistive heater, temperature sensor and air blast
Machine is connected, and can control heating unit 1 according to the heating information and temperature information of setting;Screw drive motor driver 7-3 with
Contact-making switch 2-16, screw drive motor 2-15 are connected with solid shafting motor 5, PLC screw drive motor controller 7-2 with
Screw drive motor driver 7-3 is connected, and corresponding screw drive motor can be controlled according to the parameter of setting, so as to
Realize that the plug to electric connector 10 is controlled.Operation interface 7-5 drives with heating unit temperature controller 7-1 and PLC screw mandrel
Dynamic electric machine controller 7-2 is connected, and user can be by operation interface 7-5 to plug frequency, plug speed, the temperature of heating unit 1
The parameters such as degree are modified operation.
(5) data acquisition unit 8:As shown in Fig. 3,7-1 and 7-2, data acquisition unit 8 is by signal conditioning circuit 8-1, mould
Intend on-off circuit 8-2, data collecting card 8-3 and constant-current source 8-4 compositions;
Signal conditioning circuit 8-1 it is corresponding with electric connector socket 10-1 and electrical connector plug 10-2 afterbodys a pair it is zinc-plated
Wire 10-5 is connected, and measures the voltage signal of electric connector 10, and carries out signal condition and amplification;In each electric connector, electricity
The connector plug 10-2 zinc-plated wire 10-5 of odd number root is connected with the zinc-plated wire 10-5 of the neighbouring even-numbered root of serial number, is electrically connected
The zinc-plated wire of even number root for meeting device socket 10-1 is connected with the zinc-plated wire 10-5 of the adjacent odd root of serial number;Connect electric connector
Last numbering not being connected in plug 10-2 or electric connector socket 10-1 with the previous zinc-plated wire 10-5 of numbering is zinc-plated
Wire 10-5 picks out lead A, and the zinc-plated wire of first numbering of electric connector socket 10-1 picks out lead B;Electric connector order
Numbering, the lead B of an electric connector is connected with the lead A of next electric connector, the lead A of first electric connector and most
The lead B of the latter electric connector is connected with constant-current source 8-4, and constant-current source 8-4 provides constant current;Analog switching circuit 8-2
1 analog switch is selected to form by 30 8, every three correspondences, one electric connector 10, analog switching circuit 8-2 and signal condition are electric
Road 8-1 is connected, and the analog signal (voltage signal is analog signal) in signal conditioning circuit 8-1 is converted into data signal, number
It is connected according to capture card 8-3 with analog switching circuit 8-2, data signal is acquired and is delivered to computer disposal analysis.Number
Model PCI-1747U is used according to capture card 8-3, the sampling with 32 road difference analogue inputs, 16 high-resolution and 250KS/s
Speed, with 30 8 on-line measurements for selecting 1 analog switch to combine achievable 240 circuit-switched datas, fully meet 10 electric connectors 10
190 contact contact resistances high precision online measuring.
It can meet that different model electrically connects by changing different electric connector socket fixed plate 2-1 and plug fixture 3-4
The test of device needs;Also it can control solid shafting motor 5 to lock and motionless realize that straight insertion type electric connector tests needs.Contact is opened
Closing 2-16 can play a protective role to plug-in and pull-off device, be unlikely to overtravel and device is caused to damage.
When carrying out plug experiment, original state electrical connector plug 10-2 and electric connector socket 10-1 is in and separates shape
State, when plugging together, control screw drive motor 2-15, which is run, causes socket grip unit 2 to move right so that electric connector socket
10-1 contacts with electrical connector plug 10-2 until compression spring 2-3 compression certain distances, then control solid shafting motor 5
So that plug fixture 3-4 drives electric connector buckle set 10-3 to rotate to an angle so that electrical connector plug 10-2 is with electrically connecting
Device socket 10-1 is locked;When disengaged, first control solid shafting motor 5 to rotate, drive plug fixture 3-4 to rotate certain angle
Degree so that electrical connector plug 10-2 and electric connector socket 10-1 is unlocked, and then controls screw drive motor 2-15 rotations, band
Socket grip unit 2 is moved to left so that compression spring 2-3 restores to the original state until electric connector socket 10-1 and electric connector
Plug 10-2 is kept completely separate.So far, complete once to plug.
Comprised the following steps that using what the utility model was tested:
(1) electric connector 10 carries out bonding wire, and each contact of electric connector 10 draws two zinc-plated wire 10-5 to both sides,
For the collection voltages data of signal gathering unit 8;It is powered in addition, electrical connector plug 10-2 and electric connector socket 10-1 is drawn
The wire of stream, the specific mode of connection such as Fig. 3.The A ends of the electric connector 10 are electrically connected with next between multiple electric connectors 10
The B ends connection of device 10 is connect, makes its multiple series connection together, finally, by the A ends of first electric connector 10 and end electric connector 10
B ends are connected to constant-current source 8-4.
(2) each electric connector socket 10-1 is fixed on corresponding position on socket fixing board 2-1, and causes breach
10-6 is upward.Heat insulating ceramic pipe 3-9 one end is fixed on electric connector bonnet 10-4, zinc-plated wire 10-5 passes through thermal insulation ceramicses
Pipe 3-9, each electrical connector plug 10-2 cover 10-3 by electric connector buckle and are fixed on plug fixture 2-4, then by every
Heat insulating ceramic pipe 3-9 passes through hollow shaft 3-5, and adjustment electrical connector plug 10-2 positions cause breach 10-6 upward, so that
Electric connector socket 10-1 and electrical connector plug 10-2 breach on the same line, passes through the clamp screw on bearing cap 3-10
The fixed heat insulating ceramic pipe 3-9 of nail, prevents plug fixture 3-4 is rotated from causing electrical connector plug 10-2 and electric connector socket 10-1
Relative position rotate.Then the two zinc-plated wire 10-5 and signal conditioning circuit 8-1 corresponding ports of each contact pair
It is connected.
(3) the operation interface 7-5 in mechanical control unit 7 sets the heating-up temperature of heating unit 1, solid shafting driving electricity
The parameter such as the plug speed of machine 5 and screw drive motor 2-15 plug temporal frequency.
(4) constant-current source 8-4 electric current is adjusted, is allowed to as certain value.
(5) data acquisition unit 8 starts gathered data.Meanwhile electric connector 10 starts to enter according to the frequency parameter of setting
Row plug.Computer carries out Treatment Analysis to the data gathered and preserved, and shows curve.
Preferred embodiment of the present utility model is these are only, for those skilled in the art, the utility model can
To there is various modifications and variations.All any modifications within the spirit and principles of the utility model, made, equivalent substitution, change
Enter, should be included within the scope of protection of the utility model.
Claims (6)
1. plug-in type contact resistors of electric connector on-line measurement device is rotated, including heating unit, socket grip unit, plug holder
Hold unit, planet-gear speed reducer, solid shafting motor and mechanical control unit, it is characterised in that:Described solid shafting driving
Motor is controlled by mechanical control unit;Described socket grip unit is by socket fixing board, rhombus polished rod support base, compression bullet
Spring, polished rod, vertical rack plate, self-lubricating linear sliding bearing, plate muscle, plate muscle base, thermal insulation board, cushion block, travelling bottom plate, silk
Bar, slide rail, sliding block, screw drive motor, contact-making switch and the heat-insulated shield composition of organ type;Socket fixing board is evenly distributed out
If n socket aperture, n≤12;One end of k root polished rods is evenly distributed by rhombus polished rod support base and is fixed on socket fixing board
On, the other end is supported on vertical rack plate by self-lubricating linear sliding bearing, k >=3;Polished rod is located at socket fixing board and erected
Compression spring is nested with shaft part between allotment frame plate;Vertical rack plate is fixed on plate muscle base by plate muscle, and plate muscle base is consolidated
It is scheduled on thermal insulation board, thermal insulation board is fixed on two pieces of cushion blocks, and two pieces of cushion blocks are each attached on travelling bottom plate;It is fixed on travelling bottom plate
The sliding block of bottom is fixed with nut block, and forms sliding pair with guide rail;Nut block forms screw pair with screw mandrel;Screw mandrel passes through bearing
It is fixed on fuselage, and is driven by screw drive motor;Described heating unit includes resistive heater and cabinet;Cabinet bottom
Provided with rectangular through-hole, case side wall center offers manhole, and the side wall also opens up wire guide and the n circles being uniformly distributed along the circumference
Shape through hole;Resistive heater is fixed on cabinet bottom;One end of two heat-insulated shields of organ type and two pieces of cushion blocks and thermal insulation board two
Side is fixed respectively, and the other end of two heat-insulated shields of organ type and the rectangular through-hole two side of cabinet are fixed respectively;Contact-making switch
With outgoing signal during travelling contacts baseplate to mechanical control unit;Resistive heater and screw drive motor are by Mechanical course list
Member control;
Described plug grip unit is by gear-box left plate, gear-box right panel, vertical gripper shoe, plug fixture, hollow shaft, bearing
A set of cups, little gear, gear wheel, heat insulating ceramic pipe, bearing cap and solid shafting composition;Described gear-box left plate and gear-box right panel
It is fixed on vertical gripper shoe both sides;Equal fixing axle bearing sleeve in the centre bore of gear-box left plate and n set cup aperture being evenly distributed
Equal fixing bearing a set of cups in cup, the centre bore of gear-box right panel and n set cup aperture being evenly distributed;Each set cup aperture with it is corresponding
One socket axially bored line alignment is set;Solid shafting both ends are supported on the centre bore of gear-box left plate and gear-box right panel by bearing
Locate on bearing a set of cups, gear wheel is fixed on solid shafting;Solid shafting motor drives solid shafting by planet-gear speed reducer;Remove
Outside central hole bearing a set of cups, the one-to-one each two bearing a set of cups in position passes through axle in gear-box left plate and gear-box right panel
Hold a piece hollow shaft of supporting;A little gear, inner locking-type plug fixture are fixed in every hollow shaft outer end;All little gears with
Gear wheel engages;Heat insulating ceramic pipe is nested with every hollow shaft;One end of heat insulating ceramic pipe through bearing cap centre bore and with
Bearing cap is fixed;Bearing cap is fixed on corresponding to gear-box right panel on bearing a set of cups;
Described socket fixing board, rhombus polished rod support base, compression spring, polished rod, vertical rack plate, self-lubricating linear sliding axle
Hold, plate muscle, plate muscle base and plug fixture are arranged in cabinet;The rectangle that thermal insulation board and cushion block are arranged at cabinet bottom leads to
In hole.
2. rotation plug-in type contact resistors of electric connector on-line measurement device according to claim 1, it is characterised in that:Institute
The screw drive motor stated uses serial screw drive motor, and solid shafting motor uses serial stepper motor.
3. rotation plug-in type contact resistors of electric connector on-line measurement device according to claim 1, it is characterised in that:Institute
The wire guide stated is arranged on case side wall bottom.
4. rotation plug-in type contact resistors of electric connector on-line measurement device according to claim 1, it is characterised in that:Also
Including data acquisition unit;Described data acquisition unit is by signal conditioning circuit, analog switching circuit, data collecting card and perseverance
Stream source forms;Signal conditioning circuit a pair of zinc-plated wires corresponding with electric connector socket and electrical connector plug afterbody are connected,
The voltage signal of electric connector is measured, and carries out signal condition and amplification;In each electric connector, the odd number of electrical connector plug
The zinc-plated wire of root is connected with the zinc-plated wire of neighbouring even-numbered root of serial number, the zinc-plated wire of even number root of electric connector socket with it is suitable
The zinc-plated wire of adjacent odd root of sequence numbering is connected;Connect in electrical connector plug or electric connector socket and do not plated with previous numbering
Last of zinc wire connection numbers zinc-plated wire and picks out lead A, and the zinc-plated wire of first numbering of electric connector socket connects
Go out lead B;Electric connector serial number, the lead B of an electric connector are connected with the lead A of next electric connector, and first
The lead A of individual electric connector and the lead B of last electric connector are connected with constant-current source, and constant-current source provides constant current;
Analog switching circuit is intended switch by 30 modelings and formed, every three correspondences, one electric connector, analog switching circuit and signal
Modulate circuit is connected, and the voltage signal in signal conditioning circuit is converted into data signal, data collecting card and analog switch electricity
Road is connected, and data signal is acquired and is delivered to computer disposal analysis;Data collecting card uses model PCI-1747U.
5. rotation plug-in type contact resistors of electric connector on-line measurement device according to claim 1, it is characterised in that:Institute
The heating unit stated also includes air blower, temperature sensor and insulation material;Air blower is fixed on cabinet and opens up manhole
In relative another side wall, temperature sensor is fixed on cabinet at the manhole of center;Cabinet inwall sets insulation
Material.
6. rotation plug-in type contact resistors of electric connector on-line measurement device according to claim 5, it is characterised in that:Institute
The mechanical control unit stated is by controlling machine box, operation interface and heating unit temperature controller, the PLC being arranged in controlling machine box
Screw drive motor controller and screw drive motor driver composition;The heating of heating unit temperature controller and heating unit
Resistance wire, temperature sensor are connected with air blower;Screw drive motor driver and contact-making switch, screw drive motor and solid
Axle motor is connected, and PLC screw drive motors controller is connected with screw drive motor driver;Operation interface is single with heating
First temperature controller is connected with PLC screw drive motor controllers.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107202921A (en) * | 2017-06-22 | 2017-09-26 | 浙江理工大学 | One kind rotation plug-in type contact resistors of electric connector on-line measurement device |
CN109444553A (en) * | 2019-01-07 | 2019-03-08 | 山东建筑大学 | Conductor jointer resistance measurement method and measuring system |
CN116921152A (en) * | 2023-07-12 | 2023-10-24 | 佛山市通宝华龙控制器有限公司 | Automatic dispensing machine and temperature controller function test method |
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2017
- 2017-06-22 CN CN201720732376.0U patent/CN206906484U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107202921A (en) * | 2017-06-22 | 2017-09-26 | 浙江理工大学 | One kind rotation plug-in type contact resistors of electric connector on-line measurement device |
CN109444553A (en) * | 2019-01-07 | 2019-03-08 | 山东建筑大学 | Conductor jointer resistance measurement method and measuring system |
CN116921152A (en) * | 2023-07-12 | 2023-10-24 | 佛山市通宝华龙控制器有限公司 | Automatic dispensing machine and temperature controller function test method |
CN116921152B (en) * | 2023-07-12 | 2024-02-06 | 佛山市通宝华龙控制器有限公司 | Temperature controller function test method |
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