CN105424985A - Test tool and using method thereof - Google Patents
Test tool and using method thereof Download PDFInfo
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- CN105424985A CN105424985A CN201510738386.0A CN201510738386A CN105424985A CN 105424985 A CN105424985 A CN 105424985A CN 201510738386 A CN201510738386 A CN 201510738386A CN 105424985 A CN105424985 A CN 105424985A
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- cable
- test
- movable contact
- contact pin
- box body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention provides a test tool and a using method thereof. The test tool comprises a tool box, first movable pins, second movable pins, matched test cables, double-end jacks, and an external socket, the external socket is connected with a product to be tested, and placed at one side of the tool box, the two ends of each double-end jack are placed inside and outside the tool box respectively, one end of each first movable pin is connected with the external socket via a cable, the other end of the first movable pin is inserted into the two-end jack, the two ends of each matched test cable are connected with the second movable pins respectively, and each second movable pin can be inserted into the double-end jack. According to the test tool provided by the invention, the cable and matched test cable are connected correspondingly according to a test document of the product to be tested, the manufacture process is flexible, convenient and rapid, the test tool can be dismounted and used repeatedly, the test efficiency for the product to be tested is improved, materials are saved, and the manufacture cost of the test tool is reduced.
Description
Technical field
The present invention relates to communication products field tests, particularly relate to a kind of test fixture and using method thereof.
Background technology
Along with the development of the communication technology, the communication products of industrial control field need to possess various communication interface, and these communication interfaces need to carry out testing to guarantee that product function is normal before dispatching from the factory.For the product of new research and development, because it is not yet shaped, very likely need to adjust according to test afterwards, service condition, therefore dispatch from the factory when testing and be not generally equipped with specific testing apparatus, tester needs to make test fixture according to test document, and Fig. 1 is the structural representation of product to be measured and test fixture in prior art, as shown in Figure 1, tester uses with product to the supporting socket of male connector and connecting line, obtains test fixture according to test document welding.
Existing test fixture adopts the mode of manual welding test plug, there is following drawback: need during production, by artificial manual welding, to produce consuming time more, and be not easy to amendment;
Summary of the invention
The invention provides a kind of test fixture and using method thereof, during in order to solve in prior art and to make test fixture, need manual welding, produce consuming time many and be not easy to revise the technical matters causing testing efficiency low.
One aspect of the present invention provides a kind of test fixture, comprising:
Frock box body, the first movable contact pin, the second movable contact pin, supporting test cable, both-end jack, external socket for being connected with product to be measured, wherein, external socket is positioned at the side of frock box body, one end of both-end jack is positioned at frock box body, the other end is positioned at outside frock box body, one end of first movable contact pin is connected with external socket by cable, the other end inserts in both-end jack, supporting test cable two ends are all connected with the second movable contact pin, and the second movable contact pin can insert in both-end jack.
Further, both-end jack is at least 2.
Further, the first movable contact pin is at least 2, and one end of each first movable contact pin is connected with external socket by cable, and the other end inserts in both-end jack.
Further, also comprise the change-over switch be arranged in frock box body, for switching the annexation of cable and different first movable contact pin.
Further, supporting p-wire cable wrap draws together differential lines test cable, ethernet test cable.
Further, cable and external socket are by being weldingly connected.
Further, external socket comprises single-ended jack, and single-ended jack is connected with cable by the 3rd movable contact pin.
The present invention provides a kind of using method of test fixture on the other hand, and using method comprises the following steps:
First movable contact pin is connected with external socket by cable, the first movable contact pin is inserted one end that both-end jack is positioned at frock box body;
The the second movable contact pin connected at supporting test cable two ends according to electric connecting relation inserts both-end jack and is positioned at one end outside frock box body;
External socket is connected with product to be measured, one end that both-end jack corresponding with product output signal to be measured for test instrumentation is positioned at outside frock box body is connected simultaneously.
Further, the first movable contact pin is being connected with external socket by cable, before the first movable contact pin insertion both-end jack is positioned at one end of frock box body, is also comprising:
The cable of product output signal to be measured for correspondence is carried out winding simulated dual twisted wire effect, supporting test cable adopts differential lines test cable or ethernet test cable.
The invention provides a kind of test fixture and using method thereof, test fixture comprises frock box body, first movable contact pin, second movable contact pin, supporting test cable, both-end jack, for the external socket be connected with product to be measured, wherein, external socket is positioned at the side of frock box body, one end of both-end jack is positioned at frock box body, the other end is positioned at outside frock box body, one end of first movable contact pin is connected with external socket by cable, the other end inserts in both-end jack, supporting test cable two ends are all connected with the second movable contact pin, second movable contact pin can insert in both-end jack.When testing product to be measured, first movable contact pin can be connected with external socket by cable, then the first movable contact pin is inserted the relevant position of both-end jack, the the second movable contact pin connected at supporting test cable two ends according to electric connecting relation again inserts the relevant position of both-end jack, finally external socket is connected with product to be measured, both-end jack relevant position corresponding with product output signal to be measured for test instrumentation is connected simultaneously, the test to product to be measured can be realized, the making of whole test fixture can according to the test document of product to be measured to cable, supporting test cable carries out corresponding connection, manufacturing process is flexible, convenient and swift, and repeatedly can dismantle and reuse, material is saved while improving product test efficiency to be measured, lower and make test fixture cost.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.Wherein:
Fig. 1 is the structural representation of product to be measured and test fixture in prior art;
The structural representation of a kind of test fixture that Fig. 2 provides for the embodiment of the present invention one;
One structural representation of a kind of test fixture that Fig. 3 provides for the embodiment of the present invention two;
Another structural representation of a kind of test fixture that Fig. 4 provides for the embodiment of the present invention two;
A structural representation again of a kind of test fixture that Fig. 5 provides for the embodiment of the present invention two;
The another structural representation of a kind of test fixture that Fig. 6 provides for the embodiment of the present invention two;
The schematic flow sheet of the using method of a kind of test fixture that Fig. 7 provides for the embodiment of the present invention three.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scale of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment one
The structural representation of a kind of test fixture that Fig. 2 provides for the embodiment of the present invention one, as shown in Figure 2, a kind of test fixture provided by the invention, comprise: frock box body 1, first movable contact pin 2, second movable contact pin 3, supporting test cable 4, both-end jack 5, for the external socket 6 be connected with product to be measured, wherein, external socket 6 is positioned at the side of frock box body 1, one end of both-end jack 5 is positioned at frock box body 1, the other end is positioned at outside frock box body 1, one end of first movable contact pin 2 is connected with external socket 6 by cable 7, the other end inserts in both-end jack 5, supporting test cable 4 two ends are all connected with the second movable contact pin 3, second movable contact pin 3 can insert in both-end jack 5.
Concrete, external socket 6 is positioned at the side of frock box body 1, both-end jack 5 specifically can be positioned at the opposite side of external socket 6 on frock box body 1, also other positions of frock box body 1 can be positioned at, do not limit at this, one end of both-end jack 5 is positioned at frock box body 1, is convenient to the first movable contact pin 2 and carries out plug, the other end is positioned at outside frock box body 1, is convenient to supporting test cable 4 and carries out plug.One end of first movable contact pin 2 is connected with external socket 6 by cable 7, the other end inserts one end that both-end jack 5 is arranged in frock box body 1, supporting test cable 4 two ends are all connected with the movable contact pin 3 of the second movable contact pin 3, second and can insert both-end jack 5 and be arranged in one end outside frock box body 1.
The invention provides a kind of test fixture, wherein, external socket is positioned at the side of frock box body, one end of both-end jack is positioned at frock box body, the other end is positioned at outside frock box body, and one end of the first movable contact pin is connected with external socket by cable, and the other end inserts in both-end jack, supporting test cable two ends are all connected with the second movable contact pin, and the second movable contact pin can insert in both-end jack.When testing product to be measured, first movable contact pin can be connected with external socket by cable, then the first movable contact pin is inserted the relevant position of both-end jack, the the second movable contact pin connected at supporting test cable two ends according to electric connecting relation again inserts the relevant position of both-end jack, finally external socket is connected with product to be measured, both-end jack relevant position corresponding with product output signal to be measured for test instrumentation is connected simultaneously, the test to product to be measured can be realized, the making of whole test fixture can according to the test document of product to be measured to cable, supporting test cable carries out corresponding connection, manufacturing process is flexible, convenient and swift, and repeatedly can dismantle and reuse, material is saved while improving product test efficiency to be measured, lower and make test fixture cost.
Embodiment two
The present embodiment is the supplementary notes of carrying out on the basis of above-described embodiment.
One structural representation of a kind of test fixture that Fig. 3 provides for the embodiment of the present invention two, as shown in Figure 3, a kind of test fixture provided by the invention, comprise: frock box body 1, first movable contact pin 2, second movable contact pin 3, supporting test cable 4, both-end jack 5, for the external socket 6 that is connected with product to be measured and change-over switch 8, wherein, external socket 6 is positioned at the side of frock box body 1, one end of both-end jack 5 is positioned at frock box body 1, the other end is positioned at outside frock box body 1, one end of first movable contact pin 2 is connected with external socket 6 by cable 7, the other end inserts in both-end jack 5, supporting test cable 4 two ends are all connected with the second movable contact pin 3, second movable contact pin 3 can insert in both-end jack 5, it is inner that change-over switch 8 is positioned at frock box body 1, the one end being positioned at frock box body 1 with both-end jack 5 is connected, by the switching of change-over switch 8, the existing electric connecting relation of test fixture can be changed, realize the flexible configuration of test fixture electric connecting relation, thus the test realized multiple product, test fixture is made to have certain versatility.
Further, both-end jack 5 is at least 2, can adapt to more electric connecting relation, improves the repeat usage of test fixture.
Further, the first movable contact pin 2 is at least 2, and one end of each first movable contact pin 2 is connected with external socket 6 by cable 7, and the other end inserts in both-end jack 5.Impedance, shielding etc. for signal transmission medium when communication interface due to high speed communications products is tested all have higher requirements, therefore now in frock box body 1 inside, the cable 7 of respective signal can be carried out winding simulated dual twisted wire effect, then the be connected with cable 7 first movable contact pin 2 be inserted in both-end jack 5.Because the line of frock box body 1 inside is shorter, after therefore adopting canoe simulated dual twisted wire, can ensure that the transmission of respective signal is unaffected.Another structural representation of a kind of test fixture that Fig. 4 provides for the embodiment of the present invention two, as shown in Figure 4, in frock box body 1 inside, the cable 7 of respective signal is carried out winding simulated dual twisted wire effect, then the be connected with cable 7 first movable contact pin 2 is inserted in both-end jack 5, and at the supporting test cable 4 that frock box body 1 outside uses, special test cable such as differential lines is adopted to test cable, ethernet test cable etc., two supporting test cables 4 are carried out winding simulated dual twisted wire effect, one end of supporting test cable 4 connects the second movable contact pin 3, second movable contact pin 3 connecting test plug of the other end, further, supporting test cable 4 also can not pass through the second movable contact pin 3 connecting test plug, but be directly welded on test plug, in use, directly the supporting test cable 4 with test plug is brought and use, without the need to more supporting test cable 4 being connected with test plug, convenient during use.
A structural representation again of a kind of test fixture that Fig. 5 provides for the embodiment of the present invention two, as shown in Figure 5, when the communication interface of high speed communications products is tested, if there is multichannel homogeneous communications interface to need test, in order to reduce connection cable, simplify the work of tester's connection, can a change-over switch 9 be set in frock box body 1, for switching the annexation of cable 7 and different first movable contact pin 1, in use, only need stir change-over switch 9 can test multichannel homogeneous communications interface.
Further, cable 7 and external socket 6 are by being weldingly connected.Only the first movable contact pin 1 that cable 7 other end connects need be inserted in both-end jack 5 in use, simplify the connection work of tester.
Further, the another structural representation of a kind of test fixture that Fig. 6 provides for the embodiment of the present invention two, as shown in Figure 6, external socket 6 comprises single-ended jack 10, and single-ended jack 10 is connected with cable 7 by the 3rd movable contact pin 11.If cable 7 breaks down, directly the 3rd movable contact pin 11 can be extracted from single-ended jack 10, change new cable 7, be convenient for changing.
Embodiment three
The present embodiment is the using method of the test fixture based on above-described embodiment, the schematic flow sheet of the using method of a kind of test fixture that Fig. 7 provides for the embodiment of the present invention three, and as shown in Figure 7, the using method of test fixture provided by the invention comprises the following steps:
Step 101, is connected the first movable contact pin 2 with external socket 6 by cable 7, and the first movable contact pin 2 is inserted one end that both-end jack 5 is positioned at frock box body 1;
Step 102, the second movable contact pin 3 connected at supporting test cable 7 two ends according to electric connecting relation inserts both-end jack 5 and is positioned at one end outside frock box body 1;
Step 103, is connected external socket 6 with product to be measured, is connected one end that both-end jack 5 corresponding with product output signal to be measured for test instrumentation is positioned at outside frock box body 1 simultaneously.
The using method of test fixture provided by the invention, by cable 7, first movable contact pin 2 is connected with external socket 6, then the first movable contact pin 2 inserts one end that both-end jack 5 is positioned at frock box body 1, the the second movable contact pin 3 connected at supporting test cable 4 two ends according to electric connecting relation inserts both-end jack 5 and is positioned at one end outside frock box body 1, finally external socket 6 is connected with product to be measured, one end that both-end jack 5 corresponding with product output signal to be measured for test instrumentation is positioned at outside frock box body 1 is connected simultaneously, test result can be obtained by test instrumentation.
Further, first movable contact pin 2 is being connected with external socket 6 by cable 7, first movable contact pin 2 is inserted before both-end jack 5 is positioned at one end of frock box body 1, also comprise: the cable 7 of product output signal to be measured for correspondence is carried out winding simulated dual twisted wire effect, supporting test cable 4 adopts differential lines to test cable or ethernet test cable.Impedance, shielding etc. for signal transmission medium when communication interface for high speed communications products is tested all have higher requirements, therefore now cable 7 corresponding for communication interface to be tested output signal can be carried out winding simulated dual twisted wire effect in frock box body 1 inside, and use special supporting test cable 4 as differential lines test cable, ethernet test cable etc. in frock box body 1 outside, to complete the test of the communication interface to high speed communications products.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (9)
1. a test fixture, is characterized in that, comprising:
Frock box body, first movable contact pin, second movable contact pin, supporting test cable, both-end jack, for the external socket be connected with product to be measured, wherein, described external socket is positioned at the side of described frock box body, one end of described both-end jack is positioned at described frock box body, the other end is positioned at outside described frock box body, one end of first movable contact pin is connected with described external socket by cable, the other end inserts in described both-end jack, described supporting test cable two ends are all connected with described second movable contact pin, described second movable contact pin can insert in described both-end jack.
2. test fixture according to claim 1, is characterized in that, described both-end jack is at least 2.
3. test fixture according to claim 2, is characterized in that, described first movable contact pin is at least 2, and one end of each described first movable contact pin is connected with described external socket by described cable, and the other end inserts in described both-end jack.
4. test fixture according to claim 3, is characterized in that, also comprises the change-over switch be arranged in described frock box body, for switching the annexation of described cable and different described first movable contact pin.
5. according to the arbitrary described test fixture of claim 1-4, it is characterized in that, described supporting p-wire cable wrap draws together differential lines test cable, ethernet test cable.
6., according to the arbitrary described test fixture of claim 1-4, it is characterized in that, described cable and described external socket are by being weldingly connected.
7., according to the arbitrary described test fixture of claim 1-4, it is characterized in that, described external socket comprises single-ended jack, and described single-ended jack is connected with described cable by described 3rd movable contact pin.
8., according to the using method of the arbitrary described test fixture of claim 1-7, it is characterized in that, described using method comprises the following steps:
First movable contact pin is connected with external socket by cable, described first movable contact pin is inserted one end that both-end jack is positioned at frock box body;
The second movable contact pin that supporting test cable two ends connect inserted described both-end jack according to electric connecting relation and be positioned at one end outside described frock box body;
Described external socket is connected with product to be measured, one end that described both-end jack corresponding with described product output signal to be measured for test instrumentation is positioned at outside described frock box body is connected simultaneously.
9. using method according to claim 8, is characterized in that, is being connected by the first movable contact pin by cable with external socket, before the first movable contact pin insertion both-end jack is positioned at one end of frock box body, also comprises:
The cable of described for correspondence product output signal to be measured is carried out winding simulated dual twisted wire effect, described supporting test cable adopts differential lines test cable or ethernet test cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738386.0A CN105424985B (en) | 2015-11-04 | 2015-11-04 | Test fixture and its application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510738386.0A CN105424985B (en) | 2015-11-04 | 2015-11-04 | Test fixture and its application method |
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| CN105424985A true CN105424985A (en) | 2016-03-23 |
| CN105424985B CN105424985B (en) | 2019-03-01 |
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Cited By (1)
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| CN106643424A (en) * | 2016-11-19 | 2017-05-10 | 北海银河开关设备有限公司 | Detection tool for medium-voltage ring main unit feed line |
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| WO2012000807A1 (en) * | 2010-06-29 | 2012-01-05 | Weidmüller Interface GmbH & Co. KG | Bus-capable connecting and/or functional module and connecting system comprising such modules |
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| CN105424985B (en) | 2019-03-01 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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