CN206270435U - A kind of ground connection hanging test device of fingerprint chip - Google Patents
A kind of ground connection hanging test device of fingerprint chip Download PDFInfo
- Publication number
- CN206270435U CN206270435U CN201621155650.4U CN201621155650U CN206270435U CN 206270435 U CN206270435 U CN 206270435U CN 201621155650 U CN201621155650 U CN 201621155650U CN 206270435 U CN206270435 U CN 206270435U
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- China
- Prior art keywords
- fingerprint chip
- ground connection
- test
- switching circuit
- test device
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model is related to the test device of fingerprint chip, more particularly to a kind of hanging test device of ground connection of fingerprint chip, test machine connects the pin of fingerprint chip, the induction region of fingerprint chip sequentially passes through conducting resinl and conductive plate is electrically connected to one end of switching circuit, the other end ground connection of switching circuit, so test machine need to only control the working condition of switching circuit just can the earthing test of test fingerprint chip and hanging test in a procedure, which reduces a procedure, so as to reduce the testing time, so as to improve the testing efficiency of fingerprint chip.
Description
Technical field
The utility model is related to the test device of fingerprint chip, more particularly to a kind of ground connection of fingerprint chip vacantly to test dress
Put.
Background technology
For fingerprint chip, ground connection and hanging test are all necessary, and the sensing of fingerprint chip is such as contacted with finger
Region, then in ground state, the induction region of such as fingerprint chip is not touched by the finger fingerprint chip, then at fingerprint chip
In vacant state.Existing fingerprint chip testing scheme is generally divided into 2 procedures, i.e. earthing test for a procedure, hanging to survey
It is an other procedure to try.After earthing test is completed need fingerprint chip to be put into hanging testboard from ground measuring test stand again
Vacantly tested, this needs a process for taking piece and film releasing, such testing scheme is undoubtedly time-consuming more, testing efficiency
It is low.
The content of the invention
It is to avoid existing weak point in the art and provide a kind of connecing for fingerprint chip that the purpose of this utility model is
The hanging test device in ground, its testing efficiency that can improve fingerprint chip.
The purpose of this utility model is achieved through the following technical solutions：
A kind of hanging test device of ground connection of fingerprint chip is provided, including test machine, switching circuit, conductive plate and with it is to be measured
The conducting resinl of the induction region electrical connection of fingerprint chip, one end of switching circuit electrically connects conducting resinl, its other end through conductive plate
Ground connection, test machine is electrically connected the controlled end of switching circuit and the pin of fingerprint chip to be measured.
Wherein, also including test board, plate electrically connects the pin of fingerprint chip to be measured to test machine after tested.
Wherein, switching circuit includes relay.
Wherein, conductive plate is made of copper.
Wherein, also including insulating materials, conducting resinl, conductive plate and insulating materials are sequentially connected.
Wherein, insulating materials is insulation porcelain dish.
Effective effect of the present utility model：A kind of hanging test device of ground connection of fingerprint chip of the utility model, test machine
The pin of fingerprint chip is connected, the induction region of fingerprint chip sequentially passes through conducting resinl and conductive plate is electrically connected to switching circuit
One end, switching circuit the other end ground connection, when test machine control switching circuit switch to ground connection when, fingerprint chip will sense
The ground connection induced signal in region is answered to deliver to test machine, test machine judges that the earthing test of fingerprint chip is according to ground connection induced signal
It is no qualified；When test machine control switching circuit switch to hanging when, fingerprint chip will induction region hanging sensing letter
Number deliver to test machine, test machine vacantly tests whether qualified, such test machine according to what hanging induced signal judged fingerprint chip
The working condition of switching circuit need to only be controlled can just test with hanging in the earthing test of test fingerprint chip in a procedure,
Which reduces a procedure, so as to reduce the testing time, so as to improve the testing efficiency of fingerprint chip.
Brief description of the drawings
Using accompanying drawing, the utility model is described in further detail, but embodiment in accompanying drawing is not constituted to of the present utility model
Any limitation, for one of ordinary skill in the art, on the premise of not paying creative work, can also be according to following attached
Figure obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of the hanging test device of ground connection of fingerprint chip of the utility model.
Fig. 1 includes：1 --- test board, 2 --- fingerprint chip, 3 --- conducting resinl, 4 --- conductive plate, 5 --- insulation
Material.
Specific embodiment
The utility model is further described with the following Examples.
As shown in figure 1, test machine plate 1 electrically connects the pin of fingerprint chip 2 to be measured, the induction zone of fingerprint chip 2 after tested
Domain sequentially passes through conducting resinl 3 and conductive plate 4 is electrically connected to one end of switching circuit, the other end ground connection of switching circuit, switching electricity
The controlled end connecting test machine on road.When test machine control switching circuit switch to ground connection when, fingerprint chip 2 will induction zone
The ground connection induced signal in domain delivers to test machine, test machine according to ground connection induced signal judge fingerprint chip 2 earthing test whether
It is qualified；When test machine control switching circuit switch to hanging when, fingerprint chip 2 will induction region hanging induced signal
Deliver to test machine, test machine vacantly tests whether qualified according to what hanging induced signal judged fingerprint chip 2, and such test machine is only
The working condition of switching circuit need to be controlled can just test with hanging in the earthing test of test fingerprint chip 2 in a procedure,
Which reduces a procedure, so as to reduce the testing time, so as to improve the testing efficiency of fingerprint chip.
Preferably, switching circuit includes relay, and benefit is that relay construction is simple, low cost.
Preferably, conductive plate is made of copper, and benefit is that the electric conductivity of copper is more preferable.
Preferably, also including insulating materials, insulating materials is insulation porcelain dish, and conducting resinl, conductive plate and insulating materials are successively
Connection, benefit can be that test device and other equipment are realized electric insulation, so as to improve measuring accuracy.
Finally it should be noted that above example is only used to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained to the utility model with reference to preferred embodiment, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent, without deviating from this
The spirit and scope of utility model technical scheme.
Claims (6)
1. the hanging test device of ground connection of a kind of fingerprint chip, it is characterised in that：Including test machine, switching circuit, conductive plate and
The conducting resinl electrically connected with the induction region of fingerprint chip to be measured, one end of switching circuit electrically connects conducting resinl through conductive plate, its
The other end is grounded, and test machine is electrically connected the controlled end of switching circuit and the pin of fingerprint chip to be measured.
2. the hanging test device of ground connection of a kind of fingerprint chip according to claim 1, it is characterised in that：Also include test
Plate, plate electrically connects the pin of fingerprint chip to be measured to test machine after tested.
3. the hanging test device of ground connection of a kind of fingerprint chip according to claim 1, it is characterised in that：Switching circuit bag
Include relay.
4. the hanging test device of ground connection of a kind of fingerprint chip according to claim 1, it is characterised in that：Conductive plate is by copper
It is made.
5. the hanging test device of ground connection of a kind of fingerprint chip according to claim 1, it is characterised in that：Also include insulation
Material, conducting resinl, conductive plate and insulating materials are sequentially connected.
6. the hanging test device of ground connection of a kind of fingerprint chip according to claim 5, it is characterised in that：Insulating materials is
Insulation porcelain dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155650.4U CN206270435U (en) | 2016-10-31 | 2016-10-31 | A kind of ground connection hanging test device of fingerprint chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155650.4U CN206270435U (en) | 2016-10-31 | 2016-10-31 | A kind of ground connection hanging test device of fingerprint chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270435U true CN206270435U (en) | 2017-06-20 |
Family
ID=59037696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621155650.4U Active CN206270435U (en) | 2016-10-31 | 2016-10-31 | A kind of ground connection hanging test device of fingerprint chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270435U (en) |
-
2016
- 2016-10-31 CN CN201621155650.4U patent/CN206270435U/en active Active
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| GR01 | Patent grant |