CN203465301U

CN203465301U - ICT needle bed jig

Info

Publication number: CN203465301U
Application number: CN201320594483.3U
Authority: CN
Inventors: 李日生
Original assignee: SHENZHEN CITY ZHENHUA TEST EQUIPMENT CO Ltd
Current assignee: SHENZHEN CITY ZHENHUA TEST EQUIPMENT CO Ltd
Priority date: 2013-09-25
Filing date: 2013-09-25
Publication date: 2014-03-05
Anticipated expiration: 2023-09-25

Abstract

The utility model relates to an ICT needle bed jig, and pertains to the technical field of test equipment. From the top bottom, the needle bed jig sequentially comprises a top board, a separation board, a floating board, a needle-planting board and a frame, wherein vertical columns and an upper socket board is arranged between the top board and the separation board; the upper surface of the separation board is provided with pressing rods; the lower surface of the floating board is provided with testing needles; a spring, a bearing and a guide shaft are arranged between the floating board and the needle-planting board; bottom vertical columns and a lower plugboard is arranged between the needle-planting board and the frame. Compared with the prior art, the ICT needle bed jig has the advantages that the structure is simple and reasonable, force bearing is uniform, jitter is not likely to happen, detection and measurement on devices such as a resistor, a capacitor, an inductor, an crystal oscillator can be accurately, quantitatively and quickly carried out, and function test on a diode, a triode, an optocoupler, a transformer and a power supply module can be carried out. In addition, as the test needles with the spring are adopted for detection on components, the spring can ensure good contact of each detection point, and no damage to electronic components can be ensured.

Description

A kind of ICT needle bed fixture

Technical field

The utility model belongs to testing apparatus technical field, relates in particular to a kind of ICT needle bed fixture.

Background technology

ICT tester is that the electrical property of online components and parts and electrical connection are tested to check manufacturing defect and the bad a kind of standard test equipment of components and parts, it is mainly used in checking the short-circuit conditions of opening of online single components and parts and each circuit network, have simple to operate, quick rapidly and the feature such as localization of fault is accurate.For example, pcb board, after completing weld parts, for guaranteeing the in good condition of each parts, must carry out ICT test.

ICT needle bed fixture, ICT measurement jig, is the core component in ICT tester, it is that a kind of electrical property that utilizes is tested a kind of non-standard test auxiliary clamp that checks that production or manufacturing defect and components and parts are bad to online components and parts.

The complex structure of ICT needle bed fixture of the prior art, some even can cause damage to electronic devices and components when electronic devices and components being detected with testing needle, and in addition, test accuracy and the test speed of ICT needle bed fixture of the prior art also have much room for improvement.

In view of this, necessaryly provide a kind of ICT needle bed fixture, this needle bed fixture is simple in structure, and can be accurately, quantitatively, rapidly the devices such as resistance, electric capacity, inductance and crystal oscillator are detected and are measured, diode, triode, light lotus root, transformer, relay, operational amplifier and power module are carried out to functional test, and can detect online rapidly and accurately the situations such as the opening of single components and parts and circuit network, short circuit and failure welding.In addition, this needle bed fixture also can not cause damage to electronic devices and components.

Summary of the invention

The purpose of this utility model is: for the deficiencies in the prior art, and provide a kind of ICT needle bed fixture.

To achieve these goals, the utility model adopts following technical scheme:

A kind of ICT needle bed fixture, from top to bottom, described needle bed fixture comprises successively a day plate, dividing plate, kickboard, plants needle plate and framework, between described sky plate and described dividing plate, be provided with column and upper socket plate, the lower surface of described dividing plate is provided with pressure bar, the lower surface of described kickboard is provided with testing needle, described kickboard and described in plant and between needle plate, be provided with spring, bearing and guide shaft, described in plant and between needle plate and described framework, be provided with end column and lower socket plate.

As a kind of improvement of the utility model ICT needle bed fixture, the upper surface of described kickboard is provided with balance column.

As a kind of improvement of the utility model ICT needle bed fixture, on described framework, be also provided with electronic counter.

As a kind of improvement of the utility model ICT needle bed fixture, described spring is set to four, and four described springs are planted on needle plate described in being distributed in symmetrically between two.

As a kind of improvement of the utility model ICT needle bed fixture, described pressure bar is set to four, and four described pressure bars are arranged at the below of described dividing plate between two symmetrically, and described dividing plate below is also provided with support column.

As a kind of improvement of the utility model ICT needle bed fixture, described guide shaft is set to four, described kickboard and described in plant on four angles of needle plate and be provided with and can hold the hole that described guide shaft passes.

As a kind of improvement of the utility model ICT needle bed fixture, described day plate, described dividing plate, described kickboard and described in plant needle plate and be parallel to each other.

As a kind of improvement of the utility model ICT needle bed fixture, described upper socket plate is with described day plate is vertical arranges.

As a kind of improvement of the utility model ICT needle bed fixture, described lower socket plate with described in plant that needle plate is vertical to be arranged.

With respect to prior art, the utility model ICT needle bed fixture is simple and reasonable, stress balance, be difficult for vibration, therefore can be accurately, quantitatively, rapidly the devices such as resistance, electric capacity, inductance and crystal oscillator are detected and are measured, diode, triode, light lotus root, transformer, relay, operational amplifier and power module are carried out to functional test, and can detect online rapidly and accurately the situations such as the opening of single components and parts and circuit network, short circuit and failure welding.In addition,, because being adopts the testing needle with spring to detect components and parts, spring makes each testing needle have the pressure of 100-200g, can guarantee that each check point contact is good, and guarantee can not cause damage to electronic devices and components.

Accompanying drawing explanation

Fig. 1 is exploded view of the present utility model.

Fig. 2 is front elevation of the present utility model.

Fig. 3 is stereographic map of the present utility model.

Wherein, 21-days plates, 22-dividing plate, 23-kickboard, 24-plants needle plate, 25-framework, 26-column, the upper socket plate of 27-, 28-pressure bar, 29-balance column, 210-testing needle, 211-spring, 212-bearing, 213-guide shaft, column at the bottom of 214-, socket plate under 215-, 216-electronic counter, 217-hole, 218-support column.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model and useful technique effect thereof are elaborated, but the utility model is not limited to this.

As shown in Figure 1 to Figure 3, a kind of ICT needle bed fixture that the utility model provides, from top to bottom, needle bed fixture comprises successively day plate 21, dividing plate 22, kickboard 23, plants needle plate 24 and framework 25, between it plate 21 and dividing plate 22, be provided with column 26 and upper socket plate 27, the lower surface of dividing plate 22 is provided with pressure bar 28, the lower surface of kickboard 23 is provided with testing needle 210, kickboard 23 and plant between needle plate 24 and be provided with spring 211, bearing 212 and guide shaft 214, plants and between needle plate 24 and framework 25, is provided with end column 214 and lower socket plate 215.Wherein, day plate 21 is for connecting upper stitch bed.Kickboard 23 is equivalent to a buffer board, and for being placed on measurement unit, material can be selected antistatic plate.Plant needle plate 24 and adopt non-metal board manufacture, as acrylic offset plate and bakelite plate etc., for implanting testing needle 210.Framework 25 adopts cold-rolled steel sheet manufacture, for supporting whole needle bed fixture.For the ease of changing, framework 25 be designed and sized to standard size.Column 26 is for supporting upper stitch bed.The probe that testing needle 210 is 100mil.Bearing 212 is for making needle-bar exactitude position and easy for installation.The effect of end column 214 is to support plants pressure suffered on needle plate 24, makes to plant needle plate 24 and can not be out of shape.

Wherein, the upper surface of kickboard 23 is provided with balance column 29, and for being equilibrated at the pressure of each test point of measurement unit, balance column 29 can be selected micelle.

On framework 25, be also provided with electronic counter 216.

Spring 211 is set to four, and four springs 211 are distributed in symmetrically and plant on needle plate 24 between two.Spring 211 can be upspring kickboard 23 to be equilibrated at measurement unit (UUT), the pressure of each testing needle 210 of balance when needle-bar presses down, make each testing needle there is the pressure of 100-200g, can guarantee that each check point contact is good, and guarantee can not cause damage to electronic devices and components.

Pressure bar 28 is set to four, and four pressure bars 28 are arranged at the below of dividing plate 22 between two symmetrically.Dividing plate 22 belows are also provided with support column 218.The effect of pressure bar 28 is to push down at measurement unit, allows its balance engaged test pin 210, and material can be selected the material of electrostatic prevention.The effect that pressure bar 28 is installed on dividing plate 22 is to reduce as far as possible the vibration of pressure bar 28 under pressure, to guarantee measuring accuracy.

Guide shaft 213 is set to four, kickboard 23 and plant on four angles of needle plate 24 and be provided with and can hold the hole 217 that guide shaft passes.The effect of guide shaft 213 is to guide upper and lower needle-bar exactitude position, and steering floating board 23 work.

It plate 21, dividing plate 22, kickboard 23 and plant needle plate 24 and be parallel to each other.

Upper socket plate 27 and day vertical setting of plate 21.

Lower socket plate 215 with plant the vertical setting of needle plate 24.Upper socket plate 27 and lower socket plate 215 are the socket of 64pin, and upper socket plate 27 and lower socket plate 215 are for installing ICT or FCT winding displacement.

During use, Board Under Test (as pcb board) is placed in to kickboard 23 and plants between needle plate 24, testing needle 210 is contacted with the components and parts on Board Under Test, then upper stitch bed is exerted pressure to sky plate 21, pressure conduction is to dividing plate 22, and arrives kickboard 23, finally arrives testing needle 210, under the buffer action of spring 211, testing needle 210 and each contact point good contact.Then, the signal that testing needle 210 obtains test is transmitted in control system, and result is shown to operator.

Concrete, adopt ICT needle bed fixture of the present utility model, and be equipped with corresponding control system, can test resistance, electric capacity and inductance etc.For example, for the test of resistance, the scope of test can reach 0.1 ohm of-100 megohm, and test speed can reach 2.6-100ms; For the test of electric capacity, test specification can reach 1pF-50000 μ F, take DC during as metric form, and test speed can reach 8.6-60ms, take AC during as metric form, and test speed can reach 18-36ms; For the test of inductance, test specification can reach 1 μ H-40H, and test speed can reach 15-55ms.Can test crystal oscillator, diode, Zener diode, triode, an effect induction tube and photocoupler in addition, can also open a way, short-circuit test, and relay, operational amplifier and power module are carried out to functional test, have simple to operate, quick rapidly and the feature such as localization of fault is accurate.Adopt the utility model can realize on-line testing electronic devices and components, even if reaction manufacturing situation is beneficial to process modification and lifting, for the quality of modern production provides strong assurance, and can shorten production run, enhance productivity.

In a word, whole ICT needle bed fixture is simple and reasonable, stress balance, be difficult for vibration, and testing needle 210 is to the equal energy of each check point good contact, therefore can be accurately, quantitatively, rapidly the devices such as resistance, electric capacity, inductance and crystal oscillator are detected and are measured, diode, triode, light lotus root, transformer, relay, operational amplifier and power module are carried out to functional test, and can detect online rapidly and accurately the situations such as the opening of single components and parts and circuit network, short circuit and failure welding.In addition,, because being adopts the testing needle with spring to detect components and parts, spring makes each testing needle have the pressure of 100-200g, can guarantee can not cause damage to electronic devices and components.

The announcement of book and guidance according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection domain of claim of the present utility model.In addition,, although used some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.

Claims

1. an ICT needle bed fixture, it is characterized in that: from top to bottom, described needle bed fixture comprises successively a day plate, dividing plate, kickboard, plants needle plate and framework, between described sky plate and described dividing plate, be provided with column and upper socket plate, the lower surface of described dividing plate is provided with pressure bar, the lower surface of described kickboard is provided with testing needle, described kickboard and described in plant and between needle plate, be provided with spring, bearing and guide shaft, described in plant and between needle plate and described framework, be provided with end column and lower socket plate.

2. ICT needle bed fixture according to claim 1, is characterized in that: the upper surface of described kickboard is provided with balance column.

3. ICT needle bed fixture according to claim 1, is characterized in that: on described framework, be also provided with electronic counter.

4. ICT needle bed fixture according to claim 1, is characterized in that: described spring is set to four, and four described springs are planted on needle plate described in being distributed in symmetrically between two.

5. ICT needle bed fixture according to claim 1, is characterized in that: described pressure bar is set to four, and four described pressure bars are arranged at the below of described dividing plate between two symmetrically, and described dividing plate below is also provided with support column.

6. ICT needle bed fixture according to claim 1, is characterized in that: described guide shaft is set to four, described kickboard and described in plant on four angles of needle plate and be provided with and can hold the hole that described guide shaft passes.

7. ICT needle bed fixture according to claim 1, is characterized in that: described day plate, described dividing plate, described kickboard and described in plant needle plate and be parallel to each other.

8. ICT needle bed fixture according to claim 1, is characterized in that: described upper socket plate arranges with within described day, plate is vertical.

9. ICT needle bed fixture according to claim 8, is characterized in that: described lower socket plate with described in plant that needle plate is vertical to be arranged.