CN208953611U - A kind of circuit board Iddq testing device - Google Patents
A kind of circuit board Iddq testing device Download PDFInfo
- Publication number
- CN208953611U CN208953611U CN201821416721.0U CN201821416721U CN208953611U CN 208953611 U CN208953611 U CN 208953611U CN 201821416721 U CN201821416721 U CN 201821416721U CN 208953611 U CN208953611 U CN 208953611U
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- China
- Prior art keywords
- circuit board
- probe
- working plate
- attachment base
- pinboard
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 241000283690 Bos taurus Species 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a kind of circuit board Iddq testing devices, including power supply, probe, positioning plate, pinboard, working plate and host computer, it is characterized by: the power supply is fixed on the positioning plate, and treat detection circuit board power supply, the pinboard is connected and fixed with the working plate by connector, and the host computer is electrically connected by signal wire with the working plate；The probe is fixed and passes through the positioning plate, and probe Yu the circuit board under test electrical contact of part on positioning plate, the probe of part passes through the pinboard under positioning plate and the working plate is in electrical contact.In the utility model, since pinboard and working plate can be connected using the first attachment base and the second attachment base, and probe is secured, uses signal wire bonding to operate so as to avoid in circuit board to be detected, improve the reliability of connection, it is easy to operate time saving.
Description
Technical field
The utility model relates to a kind of current lead-through technical field, especially a kind of circuit board Iddq testing device.
Background technique
In the prior art, current detection means generally includes probe, positioning plate, signal wire and working plate, for detecting
The electric current of circuit board (object to be measured).The probe touches circuit board and signal is transmitted to the working plate by signal wire
On, welding manner linking probe and working plate is respectively adopted in the signal wire both ends.Especially for the circuit board of multichannel, signal
Wire bonding operation is cumbersome and signal wire is easy to cause the disconnected consequence of signal because of the unreliability of welding, to influence electric current
Detection.
Moreover, being directed to the current detection means of multichannel, just whole circuit board is surveyed after current detection means energization
Examination, if will lead to detection device break-off, to influence to examine when certain has short circuit, failure all the way on the circuit board
Survey efficiency.
Furthermore programmable power supply is generallyd use for circuit board Iddq testing to be detected, but is directed to the circuit of multichannel
Plate, it is at high cost using programmable power supply detection quiescent current, and programmable power supply equipment volume itself is big, is not easy to operate.
To sum up, there is also influence detection efficiency, signal wire because of signal wire connecting fault for prior art current detection device
The use that welding increases workload, programmable power supply brings increased costs and the technical problems such as inconvenient.
Utility model content
In view of this, problem to be solved in the utility model is to propose a kind of circuit board Iddq testing device,
To solve technical problem of the existing technology.
The technical solution of the utility model is to provide a kind of circuit board Iddq testing device below, including
Power supply, probe, positioning plate, pinboard, working plate and host computer, the power supply are fixed on the positioning plate, and to be detected
Circuit board power supply, the pinboard are connected and fixed with the working plate by connector, and the host computer passes through signal wire and institute
State working plate electrical connection；The probe is fixed and passes through the positioning plate, the probe and circuit board under test of part on positioning plate
Electrical contact, the probe of part passes through the pinboard under positioning plate and the working plate is in electrical contact.
Optionally, the connector includes cooperating to fix the first attachment base and the second attachment base, and described first connects
Joint chair is arranged on pinboard, and second attachment base is arranged on working plate, and first attachment base is connect with described second
Seat is adapted.
Optionally, the pinboard is switching printed wiring board, and the probe is passed through described using welding manner
Printed wiring board of transferring is so that probe is fixed.
Optionally, first attachment base and the second attachment base are flexible circuit board socket or cattle horn socket.
Optionally, the host computer is used to receive and handle the information that the working plate is transmitted to it, and by processing result
Feed back to user.
Optionally, control power supply, microprocessor, signal multi-channel electronic switch, analog-to-digital conversion are provided on the working plate
Circuit, Current Voltage converter amplifier circuit, current sensor and communication module；The working plate connects one or more electricity to be detected
Road plate；After the control power supply of the working plate is powered, microprocessor gives electricity to be detected by control signal multi-channel electronic switch
The power supply of road plate, while detection circuit board conducting electric current sensor, Current Voltage converter amplifier circuit and analog to digital conversion circuit to be measured；
The current sensor is connected in the circuit on circuit board to be detected, and sampled current value thereon is converted by Current Voltage
Amplifying circuit switchs to for voltage value, amplified voltage value by after the analog-to-digital conversion resume module by the microprocessor
It reads, processing conversion is carried out by the microprocessor, the data after processing conversion are reported into the host computer by communication module.
Optionally, the host computer checks out whether circuit board to be detected is normal condition according to quiescent current.
Using the utility model, compared with prior art, the utility model is had the advantage that in the utility model, by
Switching printed wiring board and working plate can be connected in the first attachment base of use and the second attachment base, and secures probe, to keep away
Exempt to operate in circuit board to be detected using signal wire bonding, has improved the reliability of connection, it is easy to operate time saving；If using
It when middle discovery working plate breaks down or damages, can be repaired by directly plugging attachment base mode, replacement operation, maintenance is just
It is prompt.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model circuit board Iddq testing device；
Fig. 2 is multipath testing equipment systematic schematic diagram；
It is as shown in the figure: 1, power supply, 2, probe, 3, positioning plate, 4, pinboard, 7, working plate, 8, host computer.
Specific embodiment
It is described in detail below in conjunction with preferred embodiment of the attached drawing to the utility model, but the utility model is not merely
It is limited to these embodiments.The utility model covers any substitution made in the spirit and scope of the utility model, modification, equivalent
Method and scheme.
In order to make the public have thorough understanding to the utility model, in following the preferred embodiment in the utility model specifically
Concrete details is illustrated, and that this can also be understood completely is practical new for description without these details for a person skilled in the art
Type.
The utility model is more specifically described by way of example referring to attached drawing in the following passage.It should be noted that attached drawing
It is all made of more simplified form and uses non-accurate ratio, only to facilitate, lucidly aid in illustrating the utility model
The purpose of embodiment.
Refering to what is shown in Fig. 1, illustrating a kind of embodiment of the utility model circuit board Iddq testing device.This is practical
The novel detection for being particularly suitable for multiplex circuit plate, the circuit board Iddq testing device, including it is power supply 1, probe 2, fixed
Position plate 3, pinboard 4, working plate 7 and host computer 8, in which:
It is provided with the first attachment base 41 on pinboard 4, the second attachment base 51 is provided on working plate 7.First attachment base 41
It is adapted with the second attachment base 51, pinboard 4 and working plate can be fixedly connected with the second attachment base 51 by the first attachment base 41
7。
The circuit board Iddq testing device of the multichannel provided through this embodiment, due to use the first attachment base and
Second attachment base can connect pinboard and working plate, and pinboard is simplified and adopted in multiplex circuit plate using connection printed wiring board
It is operated with signal wire bonding, improves the reliability of connection, it is easy to operate time saving.If discovery working plate breaks down in use
Or when damage, can be repaired by directly plugging attachment base mode, replacement operation, it is convenient to overhaul.
Power supply 1 is fixedly mounted on positioning plate 3；Probe 2 is fixed and passes through positioning plate 3, the probe of part on positioning plate 3
2 are in contact with multiplex circuit plate to be measured, and the probe 2 of part passes through pinboard 4 under positioning plate 3.
It is fixed specifically, probe 2 passes through the pinboard 4 using welding manner,
Connection electric signal is printed directly in printed wiring board, realization can by connecting plate 4 using connection printed wiring board
It leans on, simple electrical communication.
In above-mentioned specific embodiment, is fixed by the reliability that pinboard 4 realizes probe, avoid the prior art
Poor contact problem is detected caused by the middle loosening because of probe.
Specifically, the first attachment base 41 and the second attachment base 51 can include but is not limited to flexible circuitry panel seat or ox horn is inserted
Seat.
Specifically, host computer is connected by power supply line with working plate, for handling the signal message of working plate transmission, and will
As a result user is fed back to.
The physical circuit of the working plate of the embodiment of the present invention, as shown in Fig. 2, being provided with control power supply on working plate 7
72, microprocessor 71, signal multi-channel electronic switch 76, analog to digital conversion circuit 75, Current Voltage converter amplifier circuit 74, electric current pass
Sensor 73 and communication module 77, the working plate can connect one or more circuit boards to be detected.When the control of the working plate
After power supply 72 is powered, microprocessor 71 is powered, while to be measured by control signal multi-channel electronic switch 76 to circuit board to be detected
Detection circuit board conducting electric current sensor 73, Current Voltage converter amplifier circuit 74, analog to digital conversion circuit 75.The electric current passes
Sensor 73 is connected on the sampled current value on circuit board under test circuit, is switched to by Current Voltage converter amplifier circuit 74 for voltage
Value, amplified voltage value is read after being handled by the analog-to-digital conversion module 75 by the microprocessor 71, by described micro-
Processor 71 carries out processing conversion, and the data after processing conversion are reported the host computer by communication module 77.
The processing is read quiescent current 1 time in 1ms by assuming, is read 200 times altogether, it is known that the circuit board is just
Quiescent current is less than 10 μ A under normal state.If having 50 in the Dose times and being greater than 10 μ A with last time quiescent current,
It can determine that the circuit board is short-circuit condition.In the Dose times, there are 50 times or less quiescent currents to be greater than 10 μ A, then can sentence
The fixed circuit board is normal condition.
The unit time can be arranged according to practical situations, read current value by those skilled in the art
Number, normal condition current value range and decision rule, do not do illustrate one by one herein.
Above embodiments are merely to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
It states technical solution documented by embodiment to modify, or equivalent substitution of some or all of the technical features；
And these are modified or replaceed, the model for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Although embodiment is separately illustrated and is illustrated above, it is related to the common technology in part, in ordinary skill
Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then
It can refer to another embodiment on the books.
The technical solution of the utility model and beneficial effect is described in detail in above-described specific embodiment,
It should be understood that be not intended to limit the utility model the foregoing is merely the most preferred embodiment of the utility model, it is all at this
Any modification, supplementary, and equivalent replacement etc. done in the spirit of utility model, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of circuit board Iddq testing device, including power supply, probe, positioning plate, pinboard, working plate and host computer,
It is characterized by: the power supply is fixed on the positioning plate, and treat detection circuit board power supply, the pinboard and the work
Loading board is connected and fixed by connector, and the host computer is electrically connected by signal wire with the working plate；The probe is fixed simultaneously
Across the positioning plate, probe Yu the circuit board under test electrical contact of part on positioning plate, the probe of part is worn under positioning plate
It crosses the pinboard and the working plate is in electrical contact.
2. circuit board Iddq testing device according to claim 1, it is characterised in that: the connector includes phase
Mutually the first attachment base and the second attachment base are fixed in cooperation, and first attachment base is arranged on pinboard, second attachment base
It is arranged on working plate, first attachment base is adapted with second attachment base.
3. circuit board Iddq testing device according to claim 1 or 2, it is characterised in that: the pinboard is
Switching printed wiring board, the probe pass through the switching printed wiring board so that probe is fixed using welding manner.
4. circuit board Iddq testing device according to claim 2, it is characterised in that: first attachment base and
Two attachment bases are flexible circuit board socket or cattle horn socket.
5. circuit board Iddq testing device according to claim 1, it is characterised in that: the host computer is for receiving
The information transmitted with the processing working plate to it, and processing result is fed back into user.
6. circuit board Iddq testing device according to claim 5, it is characterised in that: be provided on the working plate
Control power supply, microprocessor, signal multi-channel electronic switch, analog to digital conversion circuit, Current Voltage converter amplifier circuit, current sense
Device and communication module；The working plate connects one or more circuit boards to be detected；After the control power supply of the working plate is powered,
Microprocessor is powered, while detection circuit board electric conduction to be measured by control signal multi-channel electronic switch to circuit board to be detected
Flow sensor, Current Voltage converter amplifier circuit and analog to digital conversion circuit；The current sensor is connected on circuit board to be detected
On circuit in, sampled current value thereon is switched to by Current Voltage converter amplifier circuit for voltage value, amplified electricity
Pressure value by, by the microcomputer reads, carrying out processing conversion by the microprocessor after the analog-to-digital conversion resume module,
Data after processing conversion are reported into the host computer by communication module.
7. circuit board Iddq testing device according to claim 6, it is characterised in that: the host computer is according to static state
Current value checks out whether circuit board to be detected is normal condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416721.0U CN208953611U (en) | 2018-08-30 | 2018-08-30 | A kind of circuit board Iddq testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416721.0U CN208953611U (en) | 2018-08-30 | 2018-08-30 | A kind of circuit board Iddq testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208953611U true CN208953611U (en) | 2019-06-07 |
Family
ID=66736484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821416721.0U Expired - Fee Related CN208953611U (en) | 2018-08-30 | 2018-08-30 | A kind of circuit board Iddq testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208953611U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240944A (en) * | 2020-12-17 | 2021-01-19 | 天津飞旋科技有限公司 | Test system, test method, and computer-readable storage medium |
| CN113109732A (en) * | 2021-03-03 | 2021-07-13 | 北京航天石化技术装备工程有限公司 | Signal measuring point butt joint device of fuel cell single-chip voltage detection interface |
| CN114371388A (en) * | 2022-01-10 | 2022-04-19 | 鹤山市泰利诺电子有限公司 | Pin and Die Fixtures for Circuit Board Testing |
| CN115372795A (en) * | 2022-08-19 | 2022-11-22 | 深圳市兆驰股份有限公司 | Circuit board test tooling and circuit board test equipment |
-
2018
- 2018-08-30 CN CN201821416721.0U patent/CN208953611U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240944A (en) * | 2020-12-17 | 2021-01-19 | 天津飞旋科技有限公司 | Test system, test method, and computer-readable storage medium |
| CN113109732A (en) * | 2021-03-03 | 2021-07-13 | 北京航天石化技术装备工程有限公司 | Signal measuring point butt joint device of fuel cell single-chip voltage detection interface |
| CN114371388A (en) * | 2022-01-10 | 2022-04-19 | 鹤山市泰利诺电子有限公司 | Pin and Die Fixtures for Circuit Board Testing |
| CN115372795A (en) * | 2022-08-19 | 2022-11-22 | 深圳市兆驰股份有限公司 | Circuit board test tooling and circuit board test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201111 Address after: 310016 No. 1187 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG DAHUA TECHNOLOGY Co.,Ltd. Address before: 310000 B/F, Building 1187, Binan Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU TECOMORE Co.,Ltd. |
|
| 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: 20190607 |