CN109000919A - Electric connector disengaging time measuring device, system and method - Google Patents
Electric connector disengaging time measuring device, system and method Download PDFInfo
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- CN109000919A CN109000919A CN201811121605.0A CN201811121605A CN109000919A CN 109000919 A CN109000919 A CN 109000919A CN 201811121605 A CN201811121605 A CN 201811121605A CN 109000919 A CN109000919 A CN 109000919A
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- electric connector
- disengaging time
- connector
- separation
- separating mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The present invention provides a kind of electric connector disengaging time measuring device, system and method.Electric connector includes electrical connector plug and electric connector socket, which includes: separating mechanism unit, for realizing the separation between the electrical connector plug and the electric connector socket；Tensile test unit is connect with the separating mechanism unit, the value of thrust being applied on the electric connector for measuring the separating mechanism unit, to judge the separation time started of the electric connector according to the value of thrust.Utilize electric connector disengaging time measuring device provided by the invention, system and method, apply value of thrust on electrical connectors by detection separating mechanism unit to judge the separation time started of electric connector, so as to improve the accuracy of electric connector disengaging time measurement.
Description
Technical field
The present invention relates to technical field of electric connectors more particularly to a kind of electric connector disengaging time measuring devices, system
And method.
Background technique
The major function of electric connector is to realize the transmission of electric signal between electrical equipment, control.Isolate and fall off electrical connection
Device is the general name of separation connector and umbilical connector, belongs to special electric connector, is separated, in umbilical connector structure
It is similar, suffer from the requirement of separation.Classify generally according to use occasion to it, corresponding guided missile, rocket etc. of being used in flew
Play the role of the referred to as separation connector of interstage circuit connection, disconnection in journey；For playing circuit by taking the transmitting of satellite as an example
The referred to as umbilical connector of connection, disconnection effect with ground installation.
Currently, isolating and falling off electric connector experimental rig using master controller, separating mechanism, the combination shape for controlling cable
Formula, master controller issue connecting and disconnecting of the circuit signal according to signal, and the electromagnet execution movement for controlling separating mechanism is de- to carry out separation
The separation of electric connector is fallen, master controller starts timing, while detection isolates and falls off the electrical connection signal of electric connector, works as separation
Umbilical connector signal disconnects, then recording gate time at this time is the disengaging time for isolating and falling off electric connector.
But the true disengaging time for measuring not fully Reaction Separation umbilical connector of this disengaging time, by
It is the timing since to the time of electromagnet signal in gate time, and electromagnet has the action delay time, therefore measurement obtains
Disengaging time be electromagnet summation of the actuation time bonus point from umbilical connector disengaging time, general electromagnet at present
Actuation time, this leveraged the accuracy for isolating and falling off the measurement of electric connector disengaging time in 30ms-100ms or so.
In addition, respectively isolating and falling off the preload elastic pulling force between electric connector separating mechanism when multichannel measures simultaneously
It is not exactly the same, there is actuation time inconsistency error between electromagnet, this separates time precision when affecting simultaneous test,
The result obtained when simultaneous test is unable to the true disengaging time that actual response respectively isolates and falls off electric connector, so as to cause not
With product type to isolate and fall off the risk that electric connector occurs in practical application uncontrollable.
Therefore, the accuracy for isolating and falling off the measurement of electric connector disengaging time how is improved, it is urgently to be resolved to become this field
The technical issues of.
Summary of the invention
The object of the present invention is to provide a kind of electric connector disengaging time measuring devices, system and method, for solving
State the technical problem existing in the prior art for isolating and falling off electric connector disengaging time measurement inaccuracy.
One aspect of the present invention provides a kind of electric connector disengaging time measuring device, and electric connector includes electric connector
Plug and electric connector socket；Described device includes: separating mechanism unit, for realizing the electrical connector plug and the electricity
Separation between connector body；Tensile test unit is connect, for measuring the separating mechanism with the separating mechanism unit
Unit is applied to the value of thrust on the electric connector, when judging that the separation of the electric connector starts according to the value of thrust
Between.
Another aspect of the present invention provides a kind of electric connector disengaging time measuring system, comprising: at least one is above-mentioned
Electric connector disengaging time measuring device.
An additional aspect of the present invention provides a kind of electric connector disengaging time measurement method, and electric connector includes electrical connection
Device plug and electric connector socket；The described method includes: making separating mechanism unit apply pulling force to electric connector, described in realizing
Separation between electrical connector plug and the electric connector socket；It measures the separating mechanism unit and is applied to the electrical connection
Value of thrust on device；The separation time started of the electric connector is judged according to the value of thrust.
The electric connector disengaging time measuring device of above-mentioned aspect offer, system and method according to the present invention, pass through detection
Separating mechanism unit applies value of thrust on electrical connectors to judge the separation time started of electric connector, can be improved and is electrically connected
Connect the accuracy of device disengaging time measurement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electric connector disengaging time measuring device of one embodiment of the present invention；
Fig. 2 is the separating mechanism unit of one embodiment of the present invention and the structural schematic diagram of tensile test unit；
Fig. 3 is the structural schematic diagram of the single channel electric connector disengaging time measuring system of one embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the Multi-channel electric connector disengaging time measuring system of one embodiment of the present invention；
Fig. 5 is the flow chart of the electric connector disengaging time measurement method of one embodiment of the present invention；
Fig. 6 is the work flow diagram of the electric connector disengaging time measuring system of one embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, a specific embodiment of the invention is further described.Following embodiment is only used
In being illustrated more clearly that technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of the electric connector disengaging time measuring device of one embodiment of the present invention.
In the embodiment of the present invention, the electric connector, which can be, isolates and falls off electric connector.The electric connector can wrap
Include electrical connector plug (not shown) and electric connector socket (not shown).In the embodiment shown in fig. 1, it is electrically connected
Device 130 can use bindiny mechanism 140 and be installed.
As shown in Figure 1, the electric connector disengaging time measuring device 100 that embodiment of the present invention provides may include pulling force
Test cell 110 and separating mechanism unit 120.
Wherein, separating mechanism unit 120 can be used to implement between 130 socket of 130 plug of electric connector and electric connector
Separation.
Wherein, tensile test unit 110 can be connect with separating mechanism unit 120 and bindiny mechanism 140, tensile test list
Member 110 can be used for measuring the value of thrust that separating mechanism unit 120 is applied on electric connector 130, according to the value of thrust
Judge the separation time started of electric connector 130.
In the exemplary embodiment, separating mechanism unit 120 may include tractive magnet 121 and/or lever (in figure not
Show), the tractive magnet 121 and/or lever can be used for applying to electric connector 130 pulling force and keep electric connector 130 slotting
Head is mechanically decoupled with 130 socket of electric connector.
In the embodiment shown in fig. 1, tensile test unit 110 may include tension sensor 111.
In the embodiment of the present invention, bindiny mechanism 140 may be used as measuring the disengaging time for isolating and falling off electric connector 130
Fixed platform.Tension sensor 111 is connect with bindiny mechanism 140 and tractive magnet 121 respectively, and can be fixed on one can
With on the sliding block that move freely, the main value of thrust for measuring tractive magnet 121 and electric connector 130 being applied.
Specifically, due to application requirement, isolates and falls off electric connector 130 and need to separate pulling force in separation and reach separation and set
Evaluation could separate, and if certain model isolates and falls off electric connector 130, separation pulling force could be separated when reaching 300N.Separation
When beginning, after separation pulling force rises to the separate design value for isolating and falling off electric connector 130 from incipient low value, isolate and fall off
Electric connector 130 occurs mechanically decoupled, at this point, pulling force declines suddenly, the pulling force of entire mask work forms a peaked shapes,
The embodiment of the present invention measures separating mechanism unit 120 by tensile test unit 110 and is applied to electric connector according to this characteristic
The variation of value of thrust on 130 can judge to isolate and fall off the time point that electric connector 130 is initially separated, so as to eliminate
121 actuation time of tractive magnet in separating mechanism unit 120 measures institute's band to 130 disengaging time of electric connector is isolated and fallen off
The influence come.
In the exemplary embodiment, electric connector disengaging time measuring device 100 can also include that connection signal detection is single
Whether first (not shown), the electrical connection signal that the connection signal detection unit can be used for detecting electric connector 130 break
It opens.
In the embodiment shown in fig. 1, the initial traction force of tractive magnet 121 can be required to be greater than and isolate and fall off electrical connection
The separate design value of device 130, stroke are that (numerical value is only used for for example, the present invention is not limited to this 100mm, Ke Yigen
It is adjusted correspondingly according to concrete application scene).
In the embodiment of the present invention, tensile test unit 110 is arranged in the electric connector disengaging time measuring device 100, leads to
The tension sensor 111 in the tensile test unit 110 is crossed, the tractive magnet 121 in separating mechanism unit 120 can be measured
The value of thrust variation being applied on electric connector 130, so as to for judging that the separation for isolating and falling off electric connector 130 starts
Time.Wherein, the separation time started of electric connector 130 is isolated and fallen off since pulling force peak value, to isolating and falling off electric connector
130 electrical connection signal turn-off time is entire disengaging time measurement process, so as to obtain isolating and falling off electric connector 130
Disengaging time and entire separating action when value of thrust change procedure.It further, can be by being carried out to these data
Acquisition, uploads to terminal device such as tablet computer, laptop, server etc. and is handled, by the data of measurement result
It is organized into curve, figure and can be shown.This synchronizes disengaging time measurement in multichannel separation umbilical connector 130
When, it can analyse and compare to the test data of multichannel separation umbilical connector 130, to be quickly found out production for manufacturer
Product problem provides foundation.
The electric connector disengaging time measuring device 100 that embodiment of the present invention provides, by detecting separating mechanism unit
120 are applied to the value of thrust on electric connector 130 to judge the separation time started of electric connector 130, and electrical connection can be improved
The accuracy of 130 disengaging time of device measurement.
Fig. 2 is the separating mechanism unit of one embodiment of the present invention and the structural schematic diagram of tensile test unit.
As shown in Fig. 2, separating mechanism unit provided in an embodiment of the present invention may include that tooling platform 201, high-speed silent are straight
Line guide rail 202, the first limited block 203, cushion block 204, screw hanging ring fixed block 205, screw hanging ring 206, connector stationary fixture
207, long-armed 213, second limited block 214 of connector fixed platform 208, sliding block 209, first pulley bracket cushion block 212, lever,
Lever shaft 215, lever bracing strut 216, lever short arm 217, steel cable 218, pulley bracket 219, pulley 220, second pulley bracket
Cushion block 221 and tractive magnet 222.By being constituted separating mechanism unit 120 with upper-part, for realizing electric connector is isolated and fallen off
130 it is mechanically decoupled.The structure is to be integrated with hand operating mechanism design and be automatically brought into operation machinery to be designed at one, wherein manually
Operation is to make its separation to the application pulling force of electric connector 130 is isolated and fallen off using operating lever, and being automatically brought into operation is united by software
One control tractive magnet 121 makes its separation to the application pulling force of electric connector 130 is isolated and fallen off, and said structure design can guarantee
Isolate and fall off pulling force that electric connector 130 is subject on the same line.
As shown in Fig. 2, tensile test unit 110 provided in an embodiment of the present invention may include tension sensor 111 and pass
Sensor bracket 211.Further, the tensile test unit 110 can also include that sensor stand cushion block (does not show in Fig. 2
Out).In this way can isolating and falling off electric connector 130 and design the height of each section cushion block in device according to different model, from
And the electric connector 130 that isolates and falls off of different model can be tested.
In the embodiment of the present invention, the tension sensor 111 can be high precision pull sensor, such as can use
50KG-2T type tension sensor, but the present invention is not limited to this.
Electric connector disengaging time measuring system provided in an embodiment of the present invention may include at least one such as above-mentioned Fig. 1 institute
Show the electric connector disengaging time measuring device of embodiment.
Specifically, electric connector disengaging time measuring device provided in an embodiment of the present invention, when each electric connector separates
Between measuring device be that can work independently, while can be with Multi-channel electric connector disengaging time measuring device work in combination.By adopting
The accuracy for isolating and falling off the measurement of electric connector disengaging time is improved with the detection value of thrust variation of high precision pull sensor, is disappeared
Except electromagnet action time and mechanism pre-tighten the influence of elastic pulling force.As shown in figure 3, for single channel electrical connection in the embodiment of the present invention
The electric connector disengaging time measuring system structure of device disengaging time measuring device.As shown in figure 4, in the embodiment of the present invention 20
The electric connector disengaging time measuring system structure of road electric connector disengaging time measuring device.
Fig. 3 is the structural schematic diagram of the single channel electric connector disengaging time measuring system of one embodiment of the present invention.
As shown in figure 3, electric connector disengaging time measuring system 300 provided in an embodiment of the present invention may include an electricity
Connector disengaging time measuring device 330.
Wherein, electric connector disengaging time measuring device 330 may include control and detection unit 331 and separating mechanism list
Member 120.
In the embodiment of the present invention, control and detection unit 331 may further include tensile test unit 110 and connection letter
Number detection unit, wherein the function of the tensile test unit 110 and the connection signal detection unit is referred to above-mentioned Fig. 1
Illustrated embodiment.
In the embodiment of the present invention, control and detection unit 331 can also include power module (not shown), processor
(such as STM32 processor, but the present invention is not limited to this, is not shown in the figure), Phototube Coupling control module, magnet control
Module (not shown) and communication module (such as the RS485 communication module in diagram, but the present invention is not limited to this).
Wherein, the magnet control module can be used for controlling the tractive magnet 121 in separating mechanism unit 120.
In the exemplary embodiment, electric connector disengaging time measuring system 300 can also include: signal processing unit,
If the electrical connection signal for the electric connector 130 disconnects, according to the separation time started of the electric connector 130 and institute
The electrical connection signal turn-off time for stating electric connector 130 determines the disengaging time of the electric connector 130.
With continued reference to embodiment illustrated in fig. 3, electric connector disengaging time measuring system 300 can also include: human-machine operation
Interface 310 and Main Control Unit 320.
Wherein, man machine operation interface 310 can be capable of providing aobvious by terminal device such as tablet computer, laptop etc.
Any electronic equipment of display screen curtain provides.
In the embodiment of the present invention, provide man machine operation interface 310 terminal device such as PC (personal computer,
Personal computer) can also include communication module (such as diagram in RS485 communication module, but the present invention is not limited to
This).
In the embodiment of the present invention, the terminal device for providing man machine operation interface 310 can also provide data processing and output
Display function may include cabinet, IP65 degree of protection industrial panel computer, upper computer software, power switch etc..
In the embodiment of the present invention, the signal processing unit equally be can be set in providing the man machine operation interface 310
In terminal device, but the present invention is not limited to this, and the signal processing unit can also be mentioned by other independent electronics
For.
In the embodiment of the present invention, Main Control Unit 320 may further include power module (not shown), processing
Device (such as STM32 processor, but the present invention is not limited to this, is not shown in the figure), Phototube Coupling control module, communication module
(such as the RS485 communication module in diagram, but the present invention is not limited to this) and data memory module (not shown).
Fig. 4 is the structural schematic diagram of the Multi-channel electric connector disengaging time measuring system of one embodiment of the present invention.
As shown in figure 4, electric connector disengaging time measuring system 400 provided in an embodiment of the present invention may include man-machine behaviour
Make interface 410, Main Control Unit 420 and 20 electric connector disengaging time measuring device 430-4220.
Wherein, each electric connector disengaging time measuring device 430-4220 may include control and detection unit and divide
From mechanism unit.The concrete function of each electric connector disengaging time measuring device and realization are referred to above-mentioned other embodiments
Content.
It should be noted that 20 electric connector disengaging time measuring devices here, which can synchronize, carries out disengaging time
Measurement is only one for example, the quantity present invention of the electric connector disengaging time measuring device of synchro measure does not limit it
It is fixed, it can be configured according to specific requirements.
The electric connector disengaging time measuring system that embodiment of the present invention provides, can be with the multiple electric connectors of synchro measure
Disengaging time, on the one hand, by tensile test unit can be improved in test process isolate and fall off electric connector separation when
Between the accuracy that measures, eliminate tractive magnet actuation time；On the other hand, pass through point of the multiple electric connectors of synchro measure
From the time, the influence that elastic pulling force measures disengaging time can be pre-tightened with eliminating machine.
Fig. 5 is the flow chart of the electric connector disengaging time measurement method of one embodiment of the present invention.
As shown in figure 5, electric connector disengaging time measurement method provided in an embodiment of the present invention may comprise steps of.
The electric connector may include electrical connector plug and electric connector socket.
In step S510, separating mechanism unit is set to apply pulling force to electric connector, to realize the electrical connector plug
With the separation between the electric connector socket.
In step S520, the value of thrust that the separating mechanism unit is applied on the electric connector is measured.
In step S530, the separation time started of the electric connector is judged according to the value of thrust.
In the exemplary embodiment, the method can also include: detect the electric connector electrical connection signal whether
It disconnects；According to the electrical connection signal turn-off time determination of the separation time started of the electric connector and the electric connector
The disengaging time of electric connector.
In the exemplary embodiment, in the case where the electric connector has multichannel, the method can also include: synchronization
Measure the disengaging time of Multi-channel electric connector.
In the exemplary embodiment, the method can also include: to be patterned to the value of thrust of Multi-channel electric connector
It handles and shows.Specifically, when multichannel separation umbilical connector synchronizes separation test, by by test result figure
Change, can analyse and compare to the test data of multichannel separation umbilical connector.
Fig. 6 is the work flow diagram of the electric connector disengaging time measuring system of one embodiment of the present invention.
As shown in fig. 6, the workflow of electric connector disengaging time measuring system provided in an embodiment of the present invention can wrap
Include following steps.
In step s 601, start.
In step S602, system initialization self-test.
In the embodiment of the present invention, electric connector disengaging time measuring system is powered on, and completes initialization, self-test host computer is under
Whether the communication of position machine is normal.After the communication of host computer and slave computer is normal, into next step.
In step S603, user's operation man machine operation interface.
In the embodiment of the present invention, user can be inquired by man machine operation interface (for example, with touch screen flat panel computer) is
System relevant information, if system is single-path testing or multichannel combined test, host computer and slave computer communication information, abnormal alarm letter
Breath.
In the embodiment of the present invention, user can also be arranged by man machine operation interface (for example, with touch screen flat panel computer)
Relevant parameter, such as timing separation or separated in synchronization processing, timing separation in start-up time delay parameter, manual operation still
It is automatically brought into operation, start and stop etc..
In the embodiment of the present invention, user can also be checked by man machine operation interface (for example, with touch screen flat panel computer)
The test result of relevant sample, such as figure, curve, comparative analysis.
In step s 604, judge whether to start separation test；If having been started up, S605 is entered step；Conversely, jumping back to
To above-mentioned steps S603.
In the embodiment of the present invention, judge whether to start separation test according to user's operation input, if user has been started up
Test then enters next link.
In step s 605, separating mechanism unit is detected.
In the embodiment of the present invention, after user starts separation test, host computer can issue relevant finger by communication module
It enables Main Control Unit and per the electric connector disengaging time measuring device for isolating and falling off electric connector all the way, each road is electrically connected
Connect device disengaging time measuring device will complete detection separating mechanism unit it is whether ready, and will test result by communication mould
Block uploads to host computer.
In step S606, judge whether separating mechanism unit is ready；If separating mechanism unit is ready, into
Enter step S607；Conversely, jumping back to above-mentioned steps S603.
In the embodiment of the present invention, separation test is determined according to the testing result of each road electric connector disengaging time measuring device
Whether continue, if detection does not pass through, separation test will be terminated, while man machine operation interface prompts relevant prompt
Information, user handle related problem until separating mechanism unit is ready according to relevant prompt information.
In step S607, each control of Main Control Unit control and detection unit carry out separation test.
In the embodiment of the present invention, after separating mechanism unit is by ready detection, Main Control Unit can according to point
It issues to execute to each road electric connector disengaging time measuring device by Phototube Coupling control module from scheme (synchronization/timing) and divide
The control signal of separating test.
In step S608, control executes control electric connector with detection unit and separates and detect acquisition data.
In the embodiment of the present invention, each electric connector disengaging time measuring device is according to the control signal of Main Control Unit
Execute separation test, AD converter (analog-to-digital convert, mould in starting control and detection processing unit
Number converter), value of thrust (is converted into electricity by the voltage value that timing acquiring records the tension sensor output in tensile test unit
Press signal), while starting connection signal detection unit, the electrical connection signal interruption detection for isolating and falling off electric connector is carried out, so
Afterwards the movement of control tractive magnet or hand-operated lever make to isolate and fall off connector carry out it is mechanically decoupled, when interrupting detection inspection
The electrical connection signal disconnection for isolating and falling off electric connector is measured, then stops AD conversion, simultaneously switches off tractive magnet power supply；If
It is manual operations, detects and isolate and fall off since operator causes overlong time not generate interruption without operation for a long time
The electrical connection signal of electric connector disconnects, then is automatically stopped test, and generate prompt messages, until in next step by dependency number
According to upload.
In step S609, Communication processing uploads data, and jumps back to above-mentioned steps S603.
In the embodiment of the present invention, by communication module, slave computer will be uploaded to test data according to the requirement of host computer
Such as the host computer of tablet computer.
The electric connector disengaging time measurement method that embodiment of the present invention provides, testing result precision height, experimental condition
It is clear, it can also realize the automatic detection for isolating and falling off the disengaging time of electric connector, human factor influence can be eliminated.
Certain exemplary embodiments of the invention are described above by the mode of explanation, for those skilled in the art
For, it without departing from the spirit and scope of the present invention, can be with a variety of different modes to described embodiment party
Formula is modified, replaces, improves.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (10)
1. a kind of electric connector disengaging time measuring device, which is characterized in that electric connector includes electrical connector plug and be electrically connected
Connect device socket；Described device includes:
Separating mechanism unit, for realizing the separation between the electrical connector plug and the electric connector socket；
Tensile test unit is connect with the separating mechanism unit, is applied to the electricity for measuring the separating mechanism unit
Value of thrust on connector, to judge the separation time started of the electric connector according to the value of thrust.
2. electric connector disengaging time measuring device according to claim 1, which is characterized in that further include:
Whether connection signal detection unit, the electrical connection signal for detecting the electric connector disconnect.
3. electric connector disengaging time measuring device according to claim 1, which is characterized in that the separating mechanism unit
Include:
Tractive magnet and/or lever make the electrical connector plug and the electricity for applying pulling force to the electric connector
It is mechanically decoupled between connector body.
4. electric connector disengaging time measuring device according to claim 1, which is characterized in that the tensile test unit
Including tension sensor.
5. a kind of electric connector disengaging time measuring system characterized by comprising
At least one is such as the described in any item electric connector disengaging time measuring devices of above-mentioned Claims 1-4.
6. electric connector disengaging time measuring system according to claim 5, which is characterized in that further include:
Signal processing unit, if the electrical connection signal for the electric connector disconnects, according to the separation of the electric connector
Time started and the electrical connection signal turn-off time of the electric connector determine the disengaging time of the electric connector.
7. a kind of electric connector disengaging time measurement method, which is characterized in that electric connector includes electrical connector plug and be electrically connected
Connect device socket；The described method includes:
Separating mechanism unit is set to apply pulling force to electric connector, to realize the electrical connector plug and the electric connector socket
Between separation；
Measure the value of thrust that the separating mechanism unit is applied on the electric connector；
The separation time started of the electric connector is judged according to the value of thrust.
8. electric connector disengaging time measurement method according to claim 7, which is characterized in that further include:
Whether the electrical connection signal for detecting the electric connector disconnects；
According to the electrical connection signal turn-off time determination of the separation time started of the electric connector and the electric connector
The disengaging time of electric connector.
9. electric connector disengaging time measurement method according to claim 8, which is characterized in that have in the electric connector
In the case where multichannel, the method also includes:
The disengaging time of synchro measure Multi-channel electric connector.
10. electric connector disengaging time measurement method according to claim 9, which is characterized in that further include:
Processing is patterned to the value of thrust of Multi-channel electric connector and is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121605.0A CN109000919A (en) | 2018-09-25 | 2018-09-25 | Electric connector disengaging time measuring device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121605.0A CN109000919A (en) | 2018-09-25 | 2018-09-25 | Electric connector disengaging time measuring device, system and method |
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| CN109000919A true CN109000919A (en) | 2018-12-14 |
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ID=64590030
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| CN201811121605.0A Pending CN109000919A (en) | 2018-09-25 | 2018-09-25 | Electric connector disengaging time measuring device, system and method |
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Cited By (1)
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| CN111006890A (en) * | 2019-11-18 | 2020-04-14 | 上海航天控制技术研究所 | Test and data acquisition device for mechanical separation of falling separation electric connector for aerospace |
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Application publication date: 20181214 |
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