CN202256446U - Electronic element test device - Google Patents
Electronic element test device Download PDFInfo
- Publication number
- CN202256446U CN202256446U CN201120330603XU CN201120330603U CN202256446U CN 202256446 U CN202256446 U CN 202256446U CN 201120330603X U CN201120330603X U CN 201120330603XU CN 201120330603 U CN201120330603 U CN 201120330603U CN 202256446 U CN202256446 U CN 202256446U
- Authority
- CN
- China
- Prior art keywords
- main wiring
- distribution wire
- test
- electronic component
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model provides an electronic element test device, which is characterized by comprising an insulation base plate, a first main distribution wire, a second main distribution wire, a plurality of branched distribution wires and a voltage test unit, wherein the first main distribution wire, the second main distribution wire and the branched distribution wires are respectively arranged on the insulation base plate, a plurality of connection through holes are respectively arranged on the first main distribution wire and the second main distribution wire, one end of each branched distribution wire is connected with the first main distribution wire, the other end of each branched distribution wire is respectively provided with a connecting through hole, two end parts used for test are respectively arranged in the length direction of each branched distribution wire at intervals, and two ends of the voltage test unit are respectively connected with the two test end parts arranged on the same branched distribution wire. Because the voltage test unit is connected in parallel onto two ends of a circuit to be tested, the current intensity of the circuit to be tested is calculated, the current intensity can be obtained without connecting an ammeter in series into the circuit, and the circuit test efficiency is improved. The electronic element test device has the advantages that the structure is simple, the use is convenient, and the electronic element test device can be widely applied to the test of electronic devices.
Description
Technical field
The utility model relates to the circuit test field, particularly a kind of electronic component testing apparatus.
Background technology
As shown in Figure 1, existing electronic component testing apparatus comprises an insulated substrate 100, and insulated substrate 100 is provided with a plurality of distributions 101; For example the first distribution 101a, the second distribution 101b wherein, are respectively arranged with a plurality of connecting through holes on the first distribution 101a; For example C0 ', C1 ', C2 ', C3 ' etc. are respectively arranged with a plurality of connecting through holes on the second distribution 101b, for example D0 ', D1 ', D2 ', D3 ' etc.; These connecting through holes wear respectively in order to a plurality of terminals of electronic components to be provided, and for example, connect a power-supply unit 102 between connecting through hole C0 ', the D0 '; Connect one first electronic component 103 between connecting through hole C1 ', the D1 '; Connect one second electronic component 104 between connecting through hole C2 ', the D2 ', after power-supply unit 102 was unlocked, circuit board then was under the conduction state.
For guaranteeing each electronic component operate as normal on the proving installation, when producing and keep in repair, the group personnel need carry out current detecting to each electronic component altogether.Detection method commonly used can be referring to Fig. 2; End series connection at first electronic component 103 inserts a reometer 105; The numerical value that shows in the reometer 105 is then for flowing through the size of current of first electronic component 103, and the staff relies on this size of current then can judge whether operate as normal of first electronic component 103.
But there is certain defective in above-mentioned method of testing, must carry out the work that lead connects before the staff whenever once tests, and comparatively trouble operates.
The utility model content
In the utility model content part, introduced the notion of a series of reduced forms, this will further explain in the embodiment part.The utility model content part of the utility model does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to confirm technical scheme required for protection.In order to improve the efficient of electric circuit inspection, the utility model provides a kind of electronic component testing apparatus, it is characterized in that comprising:
Insulated substrate;
First main wiring and second main wiring all are arranged on the said insulated substrate, are provided with a plurality of connecting through holes on said first main wiring and second main wiring;
A plurality of branched wirings; Said branched wirings is arranged on the said insulated substrate; One end of said branched wirings connects said first main wiring, and an other end of each branched wirings is provided with a connecting through hole, is interval with two tests on the length direction of each branched wirings respectively and uses the end;
The end is used in said two tests that voltage tester unit, the two ends of said voltage tester unit connect respectively on the same said branched wirings.
Connect power-supply unit between the connecting through hole of said first main wiring and second main wiring.
Said test exposes to the surface of said insulated substrate with the end.
Said first main wiring, second main wiring and branched wirings all adopt copper metal line.
Said voltage tester unit is that amplifier and voltage table coupling back form, and the enlargement factor of said amplifier is 100 times.
The utility model connects the voltage tester unit at the two ends of circuit under test; Thereby through calculating the size of current that flows through this circuit under test; Because the voltage tester unit is the two ends that are connected in parallel on circuit under test, only need the voltage tester unit is connected with the end with the test that exposes to circuit under test at circuit under test two ends and get final product, calculate the size of current that flows through circuit under test again; And need not the reometer series connection is got into circuit, therefore improved circuit test efficient.The utility model is simple in structure, and is easy to use, can be widely used in the test of electron device.
Description of drawings
The attached drawings of the utility model is used to understand the utility model in this part as the utility model.The embodiment and the description thereof of the utility model have been shown in the accompanying drawing, have been used for explaining the principle of the utility model.In the accompanying drawings,
Fig. 1 is the structural representation of existing electronic component testing apparatus;
Fig. 2 is the structural representation that first electronic component shown in Figure 1 is carried out current detecting;
Fig. 3 is the structural representation according to the electronic component testing apparatus of the utility model;
Fig. 4 is the cross-sectional schematic according to the distribution on the insulated substrate of the utility model;
Fig. 5 is the structural representation according to the voltage tester unit of the utility model.
Embodiment
In the description hereinafter, provided a large amount of concrete details and the utility model has been understood more completely so that provide.Yet, it will be apparent to one skilled in the art that the utility model can need not one or more these details and be able to enforcement.In other example,, describe for technical characterictics more well known in the art for fear of obscuring with the utility model.
In order thoroughly to understand the utility model, detailed details will be proposed, in following description so that how explanation the utility model solves the problem of existing electronic component testing apparatus troublesome poeration.Obviously, the execution of the utility model is not limited to the specific details that the technician had the knack of in circuit test field.The preferred embodiment of the utility model is described in detail as follows, yet except these were described in detail, the utility model can also have other embodiments.
Fig. 3 is the synoptic diagram according to the electronic component testing apparatus of the utility model.As shown in Figure 3, the electronic component testing apparatus 300 that is used for of the utility model comprises insulated substrate 301, the first main wiring 302a, the second main wiring 302b, a plurality of branched wirings 303 and voltage tester unit 304.The first main wiring 302a connects an end of a plurality of branched wirings, for example the first branched wirings 303a, the second branched wirings 303b, the 3rd branched wirings 303c etc.As shown in Figure 4; The first main wiring 302a is provided with at least one connecting through hole CO; An other end of each branched wirings is respectively arranged with a connecting through hole C1, C2, C3 etc.; Said connecting through hole wears respectively in order to terminals of electronic components to be provided, and between these electronic components, constitutes electric connection.The second main wiring 302b is provided with a plurality of connecting through hole DO, D1, D2, D3 etc.In addition; On the length direction of each branched wirings, be interval with two tests respectively with end (A1, B1), (A2, B2), (A3, B3); These tests expose to the surface of insulated substrate 301 with end (A1, B1), (A2, B2), (A3, B3); And two set on same branched wirings tests are used during for test with forming a test zone between the end.The two ends that connect voltage tester unit 304 in two tests of arbitrary branched wirings 303 with the end.
Preferably, between the connecting through hole C0 of the first main wiring 302a and the second main wiring 302b and D0, connect power-supply unit 305.
Preferably, the first main wiring 302a, the second main wiring 302b and branched wirings 303 all are copper metal lines.
As shown in Figure 4, voltage tester unit 304 is that amplifier 304a and voltage table 304b coupling back form, and the enlargement factor of this amplifier 304a is 100 times.
Specify the process of utilizing 300 pairs of electronic components 400 of proving installation to test below:
Two tests of the first branched wirings 303a connect first electronic component 400 with the two ends of end (A1, B1) connection voltage tester unit 304 between connecting through hole C1, the D1, after power-supply unit 305 was opened, proving installation 300 was under the conduction state.Read the displayed value U of voltage tester unit 304
Out, then test is with the magnitude of voltage U between end (A1, B1)
A1B1=U
Out/ 100.Test is with the resistance value R between end (A1, B1)
A1B1=σ * L/A, wherein, σ is the resistivity of copper, and L is the length between A1, the B1, and A is the cross-sectional area of the first branched wirings 303a.Hence one can see that, through I
A1B1=U
A1B1/ R
A1B1Thereby, obtain the size of current that flows through first electronic component 400, in like manner, also be applicable to the test of test, to obtain the size of the electric current that flows through second electronic component 500 or other electron component with places such as end (A2, B2), (A3, B3).
In like manner, between connecting through hole C2, D2, connect second electronic component 500, the two ends of voltage tester unit 304 connect test with end (A2, B2), then can obtain flowing through the size of current of second electronic component 500.Can also connect other electron component between connecting through hole C3, the D3, all need not to dismantle measured electronic elements during test, and only need the two ends connection test of voltage tester unit 304 is got final product with the end.
The utility model connects the voltage tester unit at the two ends of circuit under test; Thereby through calculating the size of current that flows through this circuit under test; Because the voltage tester unit is the two ends that are connected in parallel on circuit under test; Therefore circuit can record the size of electric current to need not to connect reometer into, thereby has improved circuit test efficient.The utility model is simple in structure, and is easy to use, can be widely used in the test of electron device.
The utility model is illustrated through the foregoing description, but should be understood that, the foregoing description just is used for for example and illustrative purposes, but not is intended to the utility model is limited in the described scope of embodiments.It will be understood by those skilled in the art that in addition; The utility model is not limited to the foregoing description; Instruction according to the utility model can also be made more kinds of variants and modifications, and these variants and modifications all drop in the utility model scope required for protection.The protection domain of the utility model is defined by appended claims book and equivalent scope thereof.
Claims (5)
1. electronic component testing apparatus is characterized in that comprising:
Insulated substrate;
First main wiring and second main wiring all are arranged on the said insulated substrate, are provided with a plurality of connecting through holes on said first main wiring and second main wiring;
A plurality of branched wirings; Said branched wirings is arranged on the said insulated substrate; One end of said branched wirings connects said first main wiring, and an other end of each branched wirings is provided with a connecting through hole, is interval with two tests on the length direction of each branched wirings respectively and uses the end;
The end is used in said two tests that voltage tester unit, the two ends of said voltage tester unit connect respectively on the same said branched wirings.
2. electronic component testing apparatus as claimed in claim 1 is characterized in that: connect power-supply unit between the connecting through hole of said first main wiring and second main wiring.
3. electronic component testing apparatus as claimed in claim 1 is characterized in that: said test exposes to the surface of said insulated substrate with the end.
4. electronic component testing apparatus as claimed in claim 1 is characterized in that: said first main wiring, second main wiring and branched wirings all adopt copper metal line.
5. electronic component testing apparatus as claimed in claim 1 is characterized in that: said voltage tester unit is that amplifier and voltage table coupling back form, and the enlargement factor of said amplifier is 100 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120330603XU CN202256446U (en) | 2011-09-06 | 2011-09-06 | Electronic element test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120330603XU CN202256446U (en) | 2011-09-06 | 2011-09-06 | Electronic element test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256446U true CN202256446U (en) | 2012-05-30 |
Family
ID=46117665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120330603XU Expired - Fee Related CN202256446U (en) | 2011-09-06 | 2011-09-06 | Electronic element test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543389A (en) * | 2012-07-17 | 2014-01-29 | 日本电产理德株式会社 | Insulation inspection method and insulation inspection apparatus |
-
2011
- 2011-09-06 CN CN201120330603XU patent/CN202256446U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543389A (en) * | 2012-07-17 | 2014-01-29 | 日本电产理德株式会社 | Insulation inspection method and insulation inspection apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102997838A (en) | Transformer winding deformation fault diagnosis method based on frequency sweep short circuit characteristics | |
| WO2021169456A1 (en) | Shunt lead structure, electric power instrument and method for manufacturing shunt lead structure | |
| CN203102256U (en) | Signal test fixture of server DDR3 memory slot | |
| CN101126783A (en) | Automobile electrical signal test method and device | |
| CN206863160U (en) | A kind of multi-thread detector | |
| CN202256446U (en) | Electronic element test device | |
| CN110488176A (en) | A kind of integrated circuit testing plate and its application method | |
| CN101957436B (en) | Power supply quality tester of IT (Information Technology) server equipment and test method | |
| CN202975315U (en) | Temperature influence test board equipment and experimental platform equipment for single-phase intelligent electric meter | |
| CN108802498A (en) | A kind of earth resistance tester | |
| CN107677897A (en) | A kind of high frequency transformer common-mode noise and conduct radiation method of testing | |
| CN108107313A (en) | The method that unloaded situation judges connection box of electric energy meter correctness | |
| JP2007324319A5 (en) | ||
| CN102707244A (en) | Performance test system for miniature switching power supply | |
| CN103116119A (en) | Test board based on hyper memory (HM) 276 stack-type electronic products and test method thereof | |
| CN201535784U (en) | Aging test substrate | |
| CN109116785A (en) | A kind of online self-test control circuit device of amplifier | |
| CN2829296Y (en) | Circuit board with testing structure | |
| CN203787061U (en) | General electric testing board for LCD | |
| CN203054152U (en) | Switch card of 6.5-time density general tester | |
| CN209417281U (en) | Electric energy meter calibration termination and system | |
| CN203191536U (en) | Voltage monitor comparison apparatus | |
| CN101833028B (en) | Device convenient for testing output voltage of power supply | |
| CN206920483U (en) | Probe card and semiconductor test apparatus | |
| CN104280572A (en) | ATE test channel designing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20170906 |