CN207799029U - Capacitive non-contact sensor jig - Google Patents
Capacitive non-contact sensor jig Download PDFInfo
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- CN207799029U CN207799029U CN201820310935.3U CN201820310935U CN207799029U CN 207799029 U CN207799029 U CN 207799029U CN 201820310935 U CN201820310935 U CN 201820310935U CN 207799029 U CN207799029 U CN 207799029U
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- pcba
- contact sensor
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Abstract
The utility model provides a kind of capacitive non-contact sensor jig, carries out automatic measurement by capacity measurement method, effectively ensures measuring accuracy, while reducing labour burden.The capacitive non-contact sensor jig includes：Jig body；Carrying group is set in the jig body, for carrying PCBA；Probe groups, including a plurality of metal probes；Hold-down mechanism is slidably held in the jig body, for the PCBA to be pressed in the probe groups, the burning test point of the PCBA is made accordingly to be electrically connected with the metal probe；Burning unit, for passing through the metal probe to the PCBA burning programs；Capacity measurement group, the external capacitive variable quantity for testing the PCBA.
Description
Technical field
The utility model belongs to jig technical field, is a kind of capacitive non-contact sensor jig specifically.
Background technology
In the test of electronic product, generally requires and burning is carried out to printed circuit board.In existing test process, usually
It needs tester to press metal probe, it is made to contact the burning test point of printed circuit board.
The test method of hand can bring heavy labour to bear to tester, so that tester is generated tired, into
And lead to metal probe and burning test point poor contact, burning repeatedly is needed, test process is influenced.
In addition, existing test method is generally the resis tance method of surveying.Under the resis tance method of surveying, to detect printing electricity completely
The welding quality of element on the plate of road needs to test each endpoint two-by-two, keeps test volume very huge, seriously affects test
Speed also brings serious operating burden, human cost high to operating personnel.
Utility model content
A kind of in order to overcome the deficiencies of the prior art, the utility model provides capacitive non-contact sensor jig leads to
It crosses capacity measurement method and carries out automatic measurement, effectively ensure measuring accuracy, while reducing labour burden.
The purpose of this utility model is achieved through the following technical solutions：
A kind of capacitive non-contact sensor jig, including：
Jig body；
Carrying group is set in the jig body, for carrying PCBA；
Probe groups, including a plurality of metal probes；
Hold-down mechanism is slidably held in the jig body, for the PCBA to be pressed in the probe groups
On, so that the burning test point of the PCBA is accordingly electrically connected with the metal probe；
Burning unit, for passing through the metal probe to the PCBA burning programs；
Capacity measurement group, the external capacitive variable quantity for testing the PCBA.
As an improvement of the above technical solution, the capacity measurement group includes pairs of antenna, and the pairs of antenna is protected
It holds and is oppositely disposed in the jig body.
As a further improvement of the above technical scheme, the carrying group includes a plurality of thimbles, and the thimble is for passing through
In the location hole for entering the PCBA, the thimble is distributed in the periphery of the probe groups.
As a further improvement of the above technical scheme, the hold-down mechanism includes rail plate and is slidably held in
Pressing plate on the rail plate, the pressing plate is for compressing the PCBA.
As a further improvement of the above technical scheme, the hold-down mechanism further includes for driving the pressing plate to slide
Driving portion.
As a further improvement of the above technical scheme, the driving portion is one of drawing handle and driving motor.
As a further improvement of the above technical scheme, a side surface of the pressing plate towards the carrying group, which has, compresses
End, the compression end are uniformly distributed on the pressing plate.
As a further improvement of the above technical scheme, the burning unit includes cd-rom recorder and for controlling the burning
The burning switch that device opens and closes.
As a further improvement of the above technical scheme, the capacitive non-contact sensor jig further includes opposite in pairs
The height limitation test baffle of setting, pairs of height limitation test baffle are lived apart the both sides of the capacity measurement group.
As a further improvement of the above technical scheme, the capacitive non-contact sensor jig further includes audio alert
Device, the test result for playing the capacity measurement group.
The utility model has the beneficial effects that：
By the way that carrying group, probe groups, hold-down mechanism, burning unit and capacity measurement group, carrying are arranged in jig body
Group carrying PCBA, hold-down mechanism, which compresses PCBA, makes burning test point be thereon electrically connected with probe groups, and burning unit implements journey
The external capacitive variable quantity of sequence replication process, capacity measurement group test burning process is not necessarily to judge the welding quality of PCBA
Manpower compresses and retest, effectively ensures measuring accuracy and efficiency, reduces the labour burden of operating personnel, has outstanding
Economy.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the first schematic diagram of the capacitive non-contact sensor jig that the utility model embodiment provides；
Fig. 2 is the second schematic diagram of the capacitive non-contact sensor jig that the utility model embodiment provides；
Fig. 3 is the third schematic diagram for the capacitive non-contact sensor jig that the utility model embodiment provides.
Main element symbol description：
1000- capacitive non-contact sensor jigs, 0100- jig bodies, 0200- carrying groups, 0210- thimbles, 0300-
Probe groups, 0310- metal probes, 0400- hold-down mechanisms, 0410- rail plates, 0420- pressing plates, 0421- compress end,
0430- driving portions, 0500- burning units, 0510- burnings switch, 0600- capacity measurement groups, 0610- antennas, 0700- height limit
Test baffle processed.
Specific implementation mode
Capacitive non-contact sensor jig is carried out below with reference to relevant drawings for the ease of understanding the utility model,
A more complete description.The preferred embodiment of capacitive non-contact sensor jig is given in attached drawing.But capacitance-type no touch
Sensor jig can be realized by many different forms, however it is not limited to embodiment described herein.On the contrary, providing
The purpose of these embodiments is to keep the disclosure to capacitive non-contact sensor jig more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Herein in the used in the description of capacitive non-contact sensor jig
Term be only for the purpose of describing specific embodiments and be not intended to limit the utility model.Term as used herein
" and/or " include one or more relevant Listed Items any and all combinations.
Embodiment 1
Fig. 1~3 are please referred to, the present embodiment discloses a kind of capacitive non-contact sensor jig 1000, the condenser type
Non-contact sensor jig 1000 includes jig body 0100, carrying group 0200, probe groups 0300, hold-down mechanism 0400, burning
Unit 0500 and capacity measurement group 0600, for providing a kind of jig for taking capacitance method to test PCBA.Below to electricity
The main construction of appearance formula non-contact sensor jig 1000 describes in detail.
Jig body 0100 is the primary load bearing structure of capacitive non-contact sensor jig 1000, for being fixed on desktop
On, provide support for other components of capacitive non-contact sensor jig 1000.Accordingly, setting pair in jig body 0100
The installation site of all kinds of components is answered, monoblock type installation constitution is formed.
Carrying group 0200 is set in jig body 0100, for carrying PCBA.In other words, carrying group 0200 is for carrying
And PCBA is separated, it avoids PCBA that dislocation occurs or slides, ensures that PCBA is reliably disposed and approached in compaction process and hold out against spy
Needle group 0300.
Wherein, PCBA is the abbreviation of Printed Circuit Board+Assembly, i.e., PCB hollow plates through SMT piece uploadings and
The product obtained after DIP plug-in units.Visibly, complete circuit structure has been formed on PCBA, can have been put into after completing burning program
It uses.
Probe groups 0300 include a plurality of metal probes 0310, for being electrically connected with the burning test point of PCBA, are realized
The burning of program.Supplementary explanation, the burning test point of PCBA default on PCBA.Correspondingly, metal probe 0310 and PCBA
Burning test point is arranged correspondingly, i.e., position is corresponded with quantity.
Hold-down mechanism 0400 is slidably held in jig body 0100, for PCBA to be pressed in probe groups 0300
On, so that the burning test point of PCBA is electrically connected with metal probe 0310.In application, hold-down mechanism 0400 is slidably close to carrying
Group 0200, PCBA is pushed up to metal probe 0310.Under the action of hold-down mechanism 0400, burning test point and the metal of PCBA are visited
Needle 0310 keeps closely connecting, and is not test process and gets loose, and has reliable test structure and ensures measuring accuracy, carries
High testing efficiency.
Burning unit 0500 is used for through metal probe 0310 to PCBA burning programs.Exemplarily, burning unit 0500
It is electrically connected with metal probe 0310, it would be desirable in correspondence IC of the program of burning by 0310 typing PCBA of metal probe.Its
In, so-called burning, i.e. PROGRAMMER are the processes that program code is copied to IC or microcontroller.
The way of realization of burning unit 0500 is numerous, and exemplarily, burning unit 0500 is including cd-rom recorder and for controlling
The burning switch 0510 that cd-rom recorder opens and closes.Cd-rom recorder is for implementing burning, and burning switch 0510 is for being switched off or on cd-rom recorder
Driving circuit.
Capacity measurement group 0600 is used to test the external capacitive variable quantity of PCBA.Capacity measurement method is i.e. between the two sides PCBA
As reference, the size of the capacitance is only related with the area of circuit network for the capacitance (i.e. external capacitive) of formation.When the capacitance
When value increases, the area of circuit network becomes larger, and shows that circuit network has short circuit；When the value of the capacitance reduces, circuit network
Area become smaller, show circuit network exist open circuit.
Thus, it is only necessary to directly any contact of PCBA be tested, you can determine whether the contact occurs short circuit or disconnected
Road repeats detection without being carried out between contact two-by-two, so that pendulous frequency is declined to a great extent, effectively improve measurement efficiency.As it can be seen that
Capacity measurement group 0600 is the external capacitive variable quantity for testing PCBA, is judged short according to the positive and negative of external capacitive variable quantity
Road or open circuit.When external capacitive variable quantity is positive value, judge the point for short circuit；When external capacitive variable quantity is negative value, judging should
Point is open circuit.
Exemplarily, capacitive non-contact sensor jig 1000 further includes phonetic alarm, for playing capacity measurement
The test result of group 0600.Phonetic alarm plays information warning according to the measurement result of capacity measurement group 0600.Audio alert
The realization method of device is numerous, and exemplarily, buzzer can be used in phonetic alarm.When short circuit or open circuit occur for PCBA, honey
Device accordingly sends out sharp alarm song, reminds operating personnel's timely processing.
Embodiment 2
On the basis of embodiment 1, the present embodiment discloses a kind of capacitive non-contact sensor jig 1000, and difference exists
In the specific configuration of carrying group 0200.Only distinguishing feature is introduced below, place has been introduced in remaining embodiment 1,
Details are not described herein.
As previously mentioned, the realization method of carrying group 0200 is numerous.Fig. 1~3 are please referred to, exemplarily, in this implementation
In example, carrying group 0200 includes a plurality of thimbles 0210.Thimble 0210 is in the location hole of injection PCBA, avoiding PCBA
Lateral play.Wherein, the location hole of PCBA defaults on PCBA, is generally surrounded on the periphery of PCBA.
The distribution mode of thimble 0210 is numerous.Exemplarily, a plurality of thimbles 0210 are distributed in except probe groups 0300
Week, that is, it is surrounded on the periphery of metal probe 0310, make to glide along thimble 0210 when PCBA stands under load and hold out against metal probe
0310.Exemplarily, the quantity of thimble 0210 is 2, is symmetrically distributed in the both sides of probe groups 0300.
Embodiment 3
On the basis of embodiment 1, the present embodiment discloses a kind of capacitive non-contact sensor jig 1000, and difference exists
In the specific configuration of hold-down mechanism 0400.Only distinguishing feature is introduced below, it has been introduced in remaining embodiment 1
Place, details are not described herein.
The structure type of hold-down mechanism 0400 is numerous, please refers to Fig. 1~2, exemplarily, in the present embodiment, pressure
Tight mechanism 0400 includes rail plate 0410 and the pressing plate 0420 being slidably held on rail plate 0410.Exemplarily,
The quantity of rail plate 0410 is two, and two rail plates 0410 are arranged in parallel.Pressing plate 0420 is socketed on cunning by bearing
On dynamic guide rail 0410, reliably slided to realize smooth.
Wherein, pressing plate 0420 is for compressing PCBA.Exemplarily, side surface tool of the pressing plate 0420 towards carrying group 0200
Have and compress end 0421, compress end 0421 and be uniformly distributed on pressing plate 0420, compresses one of end 0421 far from pressing plate 0420
Side has flat surface, is bonded with the surface of PCBA.
In application, a plurality of compression ends 0421 are uniformly applied to PCBA, it is pressed in metal with making PCBA uniform forces
On probe 0310, avoids the occurrence of and topple and cause to loosen.Further, the shape of the distribution form and PCBA of end 0421 is compressed
It is adapted.For example, when PCBA is rectangle, the quadrangle of pressing plate 0420, which is respectively set, compresses end 0421.
Exemplarily, hold-down mechanism 0400 further includes the driving portion 0430 for driving pressing plate 0420 to slide.Operating personnel
By manipulating driving portion 0430, you can input driving force along driving portion 0430, make pressing plate 0420 occur to move along a straight line and keep pushing up
Tightly.
The structure type of driving portion 0430 is numerous, and exemplarily, driving portion 0430 is in drawing handle and driving motor
One.Further, driving portion 0430 is connect by drive link with pressing plate 0420.In application, user push drawing handle or
By the driving of driving motor, drive link is made to drive pressing plate 0420, realizes the linear motion of pressing plate 0420.
Embodiment 4
On the basis of embodiment 1, the present embodiment discloses a kind of capacitive non-contact sensor jig 1000, and difference exists
In the specific configuration of capacity measurement group 0600.Only distinguishing feature is introduced below, it has been introduced in remaining embodiment 1
Place, details are not described herein.
The realization method of capacity measurement group 0600 is numerous, referring to Fig. 1, exemplarily, in the present embodiment, capacity measurement
Group 0600 includes pairs of antenna 0610, and the holding of pairs of antenna 0610 is oppositely disposed in jig body 0100.
Exemplarily, in pairs of antenna 0610, the side surface electrical behavior connection of one and PCBA, another one and PCBA's
Other side surface electrical behavior connection.Meanwhile pairs of antenna 0610 has one end to keep freely.
In the demonstration example, the capacitance between the free end of twin aerial 0610 is the number of the external capacitive of PCBA
Value.The variable quantity of the capacitance between free end by measuring twin aerial 0610, you can know that the external capacitive of PCBA becomes
Change amount.
Exemplarily, capacitive non-contact sensor jig 1000 further includes the height limitation test gear being oppositely arranged in pairs
Plate 0700, the both sides of pairs of height limitation test baffle 0700 separation capacity measurement group 0600.In application, human hand is close in pairs
Height limitation test baffle 0700 and remove, realize test process.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the scope of protection of the utility model should be determined by the appended claims.
Claims (10)
1. a kind of capacitive non-contact sensor jig, which is characterized in that including：
Jig body；
Carrying group is set in the jig body, for carrying PCBA；
Probe groups, including a plurality of metal probes；
Hold-down mechanism is slidably held in the jig body, for the PCBA to be pressed in the probe groups, is made
The burning test point of the PCBA is electrically connected with the metal probe；
Burning unit, for passing through the metal probe to the PCBA burning programs；
Capacity measurement group, for testing external capacitive variable quantity.
2. capacitive non-contact sensor jig according to claim 1, which is characterized in that the carrying group includes plural number
A thimble, the thimble are used in the location hole of PCBA described in injection, and the thimble is distributed in the periphery of the probe groups.
3. capacitive non-contact sensor jig according to claim 1, which is characterized in that the capacity measurement group includes
Pairs of antenna, the pairs of antenna holding are oppositely disposed in the jig body.
4. capacitive non-contact sensor jig according to claim 1, which is characterized in that the hold-down mechanism includes sliding
Dynamic guide rail and the pressing plate being slidably held on the rail plate, the pressing plate is for compressing the PCBA.
5. capacitive non-contact sensor jig according to claim 4, which is characterized in that the hold-down mechanism further includes
Driving portion for driving the pressing plate sliding.
6. capacitive non-contact sensor jig according to claim 5, which is characterized in that the driving portion is push-and-pull hand
Handle or driving motor.
7. capacitive non-contact sensor jig according to claim 4, which is characterized in that the pressing plate is held towards described
One side surface of load group, which has, compresses end, and the compression end is uniformly distributed on the pressing plate.
8. capacitive non-contact sensor jig according to claim 1, which is characterized in that the burning unit includes burning
Record device and the burning switch opened and closed for controlling the cd-rom recorder.
9. capacitive non-contact sensor jig according to claim 1, which is characterized in that further include being oppositely arranged in pairs
Height limitation test baffle, pairs of height limitation test baffle lives apart the both sides of the capacity measurement group.
10. capacitive non-contact sensor jig according to claim 1, which is characterized in that further include phonetic alarm,
Test result for playing the capacity measurement group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310935.3U CN207799029U (en) | 2018-03-06 | 2018-03-06 | Capacitive non-contact sensor jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310935.3U CN207799029U (en) | 2018-03-06 | 2018-03-06 | Capacitive non-contact sensor jig |
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| Publication Number | Publication Date |
|---|---|
| CN207799029U true CN207799029U (en) | 2018-08-31 |
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ID=63275944
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820310935.3U Active CN207799029U (en) | 2018-03-06 | 2018-03-06 | Capacitive non-contact sensor jig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739517A (en) * | 2018-12-19 | 2019-05-10 | 努比亚技术有限公司 | Printed circuit board, terminal, firmware burning method and readable storage medium storing program for executing |
-
2018
- 2018-03-06 CN CN201820310935.3U patent/CN207799029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739517A (en) * | 2018-12-19 | 2019-05-10 | 努比亚技术有限公司 | Printed circuit board, terminal, firmware burning method and readable storage medium storing program for executing |
| CN109739517B (en) * | 2018-12-19 | 2024-01-09 | 努比亚技术有限公司 | Printed circuit board, terminal, firmware burning method and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 519000 5th Floor, Phase III Plant, No. 32, Jinfeng West Road, Jinding Science and Technology Industrial Park, Tangjiawan Town, High-tech Zone, Zhuhai City, Guangdong Province Patentee after: ZHUHAI DUOTAIJI INTELLIGENT TECHNOLOGY CO.,LTD. Address before: Room 402, 4th Floor, Building 4, Longyuan Wisdom PARK, No. 2 Hargong Road, Tangjiawan Town, High-tech Zone, Zhuhai City, Guangdong Province, 519000 Patentee before: ZHUHAI DUOTAIJI INTELLIGENT TECHNOLOGY CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Capacitive non-contact sensor fixture Effective date of registration: 20230317 Granted publication date: 20180831 Pledgee: Bank of China Limited by Share Ltd. Zhuhai branch Pledgor: ZHUHAI DUOTAIJI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2023980035302 |