CN207924050U - The epitaxial apparatus of the inspection of capacitance batch and test - Google Patents
The epitaxial apparatus of the inspection of capacitance batch and test Download PDFInfo
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- CN207924050U CN207924050U CN201820304500.8U CN201820304500U CN207924050U CN 207924050 U CN207924050 U CN 207924050U CN 201820304500 U CN201820304500 U CN 201820304500U CN 207924050 U CN207924050 U CN 207924050U
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- capacitance
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- computer
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Abstract
The utility model provides a kind of epitaxial apparatus of the inspection of capacitance batch and test, for connecting computer, LCR testers and capacitance fixture, including sequentially connected communication module, control module and switch matrix unit；The communication module connects the computer by cable, receives the instruction of computer；The control module connects the communication module, generates control command；The switch matrix unit connects the control module, includes the matrix array being made of multiple row relay switches and row relay switch, and the switch matrix unit is electrically connected capacitance fixture；The control module connects a LCR tester by cable.By the utility model, it can be achieved that the batch inspection of multiple capacitances and test, improve capacity measurement speed, and facilitate the data analysis and processing for carrying out batch capacitance.
Description
Technical field
The utility model is related to capacitance component technical field more particularly to a kind of extensions of the inspection of capacitance batch and test
Device.
Background technology
Currently, the test of capacitor element generally selects LCR testers to measure, LCR testers can be used for testing inductance,
Capacitance, resistance have many advantages, such as that function is direct, easy to operate.But the common LCR testers in market can only use the folder of its configuration
Tool such as test probe or crocodile clip, carry out the test of single capacitance component, if it is desired to batch carries out multiple capacitance member devices manually
The test and screening of part also manually can only be tested to component, some small capacitances are such as one by one due to fixture
Patch capacitor detects very inconvenient, test result, can neither obtain return automatically, also be not easy to be criticized since size is small
Amount analysis.Therefore, current capacitance test method, under general efficiency is all relatively low, test operation is cumbersome, inconvenient, Wu Fashi
The inspection and test of existing large batch of capacitance component.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of extension of capacitance batch inspection and test dresses
It sets, inside includes that communication module and control module are realized by connecting LCR testers and external capacitor fixture in capacitance fixture
Connection, switching and the test of each station, to realize the inspection and test of large batch of capacitance component, and by connecting not
Same fixture, can test the capacitance of different capabilities.
The scheme that the utility model uses is a kind of epitaxial apparatus of the inspection of capacitance batch and test is calculated for connecting
Machine, LCR testers and capacitance fixture, including sequentially connected communication module, control module and switch matrix unit；
The communication module connects the computer by cable, receives the instruction of computer；
The control module connects the communication module, generates control command；
The switch matrix unit connects the control module, including by multiple row relay switches and row relay switch
The matrix array of composition, the switch matrix unit are electrically connected capacitance fixture；
The control module connects a LCR tester by cable.
By upper, the present apparatus is separately connected computer, external LCR testers and external capacitor fixture, and control module receives meter
The control command of calculation machine, and internal level conversion is carried out, the closure of control switch matrix unit repeat circuit switch or disconnection, from
And control multiple capacitances in capacitance fixture and connected one by one into test circuit, inspection one by one and test are realized to capacitance, also, should
Device is adapted to the capacitance fixture of a variety of different stations, and the inspection of capacitance batch and test of at most achievable 200 stations improve capacitance
Test speed, and facilitate the data analysis and processing for carrying out batch capacitance.
It is further improved, further includes a kind of printed circuit connector, connect capacitance fixture for grafting cable, include inside
Pin corresponding with the matrix array, described pin one end are correspondingly connected with relay switch respectively, and the other end passes through cable
It is correspondingly connected with the pin of capacitance fixture.
By upper, printed circuit connector is attached by a cable with capacitance fixture, this cable is y-type structure electricity
Cable, one, cable are respectively 25 core connectors and 37 core connectors, and other one of Y type cables connect for printed board golden finger socket
Device, for being attached with capacitance fixture.By printed circuit connector and y-type structure cable, control module controls each relay
The closure of device switch or disconnection, realize connection, switching and the test of each capacitance in capacitance fixture.
It is further improved, the capacitance fixture includes multiple capacitance stations, what composition was correspondingly connected with the matrix array
Two-dimensional matrix.
By upper, according to capacitance characteristic and size, can there is that cover different capacitance fixtures for selection more, it is more in capacitance fixture
A station forms two-dimensional matrix, is correspondingly connected with switch matrix unit, realizes the connection of each measured capacitance in capacitance fixture, cuts
It changes and tests.
It is further improved, the computer realizes that signal is connect with the LCR testers by an interface card module.
By upper, the selection to test parameter in LCR testers can be realized by interface card, by the program of computer
Test condition may be selected and test parameter control LCR testers test capacitance.
It is further improved, the control module and switch matrix unit are integrally disposed on one piece of printed circuit board, the print
Circuit board processed includes a kind of insertion slot type interface, and the communication module is a dismountable communication board, passes through the insertion slot type
Interface is plugged on the printed circuit board.
By upper, each control module and relay switch are all integrally disposed in one piece of printed circuit board, pass through electricity
The printed circuit of road intralamellar part is correspondingly connected with, and above-mentioned communication board is communication board to be commonly used in testing field, including one piece communicates
Chip is connected to by plug in main circuit board, and signal transmission is realized by the pin in slot interface, removes cable connection from.
Be further improved, the communication board include a USB interface, by pass through USB data line connect it is described based on
Calculation machine.
By upper, above-mentioned communication board is common communication board in the field, and computer is connected by USB data line, can
Power supply signal and test control signal are provided for above-mentioned epitaxial apparatus, no longer needs to that other external power supplys are especially arranged, deft design,
It is simple in structure.
By the utility model, it can be achieved that in capacitance fixture each station connection, switching and test, to realize high-volume
Capacitance component inspection and test, and by connecting different fixture, the capacitance of different capabilities can be tested.
Description of the drawings
Fig. 1 is the circuit module figure of the epitaxial apparatus of the utility model capacitance batch inspection and test.
Fig. 2 is the schematic diagram of the control module of the epitaxial apparatus of the utility model capacitance batch inspection and test.
Fig. 3 is the schematic diagram of the switch matrix of the epitaxial apparatus of the utility model capacitance batch inspection and test.
Fig. 4 is the schematic diagram of the two-dimensional matrix station of the utility model capacitance fixture.
Specific implementation mode
The main purpose of the utility model is to provide a kind of epitaxial apparatus of the inspection of capacitance batch and test, and inside includes
Communication module and control module realize the company of each station in capacitance fixture by connecting LCR testers and external capacitor fixture
It connects, switch and tests, to realize the inspection and test of large batch of capacitance component, and by connecting different fixtures,
The capacitance of different capabilities can be tested.
Referring to as shown in FIG. 1 to 3, the utility model is described in detail：
Fig. 1 is the circuit module figure of the epitaxial apparatus of the utility model capacitance batch inspection and test, including is sequentially connected
Communication module 100, control module 200 and switch matrix unit 300；
The communication module 100 connects the output end of the computer 400 by cable, receives what computer 400 was sent out
Instruction；
The control module 200 connects the output end of the communication module 100；
The switch matrix unit 300 includes the matrix battle array being made of multiple row relay switches and row relay switch
The control terminal of row, each relay switch connects the control module 200, the output end connection electricity of each relay switch
Hold fixture 500, connection, switching and the test of each measured capacitance in the capacitance fixture 500 are realized with this；
The control module 200 connects a LCR tester 600 by four high frequency cables.
Above-mentioned control module 200 and switch matrix unit 300 are integrally disposed on one piece of printed circuit board, the printed circuit
Plate includes a kind of insertion slot type interface, and the communication module 200 is a dismountable communication board, passes through the insertion slot type interface
It is plugged on the printed circuit board.
Fig. 2 is the schematic diagram of the control module of the epitaxial apparatus of the utility model capacitance batch inspection and test, including with
Insertion slot type interface in grafting communication board and multiple MCU control modules；
Fig. 3 is the schematic diagram of the switch matrix of the epitaxial apparatus of the utility model capacitance batch inspection and test, including 10
The matrix array that a row relay switch, 20 row relay switches are constituted connects the printing of capacitance fixture with for grafting cable
Circuit connector；
Pin CK1~CK20 of each row relay switch is connected respectively the controlling switch of MCU control module
CK1~CK20, pin XH1~XH20 and X1~X20 be connected respectively pin XH1~XH20 in printed circuit connector and
X1~X20 is used for transmission test signal；
The control that pin CKY1~CKY10 of each row relay switch is connected respectively MCU control module is drawn
Foot CKY1~CKY10, pin YL1~YL10 and Y1~Y10 be connected respectively the pin YL1 in printed circuit connector~
YL10 and Y1~Y10, is used for transmission test signal
The row relay switch may make up 10 × 20 matrix array with row relay switch, and control realizes most 200
The inspection and test of the capacitance of station can not only save relay switch cost, but also can utilize existing relay number to greatest extent
Amount carries out the inspection and test of more capacitance components.
Fig. 4 is the schematic diagram of the two-dimensional matrix station of the utility model capacitance fixture, including as shown in Figure 4 A 10 × 20
Two-dimensional matrix station and jack interface as shown in Figure 4 B, the jack interface be double 30 line in parallel, pass through capacitance fixture electricity
The station pin of printed circuit and two-dimensional matrix in the plate of road is correspondingly connected with, and A~J pins connect A~J works of two-dimensional matrix
Position, 1~20 pin connect 1~20 station of two-dimensional matrix；The jack interface passes through a Y types cable and above-mentioned capacitance batch
The printed circuit connector of the epitaxial apparatus of inspection and test connects, and receives the relay switch switching of above-mentioned switch matrix unit
Signal controls each measured capacitance and is connected in test circuit one by one, carries out inspection and test.
In the following, the operation principle of the utility model above-mentioned apparatus is described in detail, include the following steps,
S100：The communication module of the epitaxial apparatus of the capacitance batch inspection and test passes through a USB data line and calculating
Machine connects, and program of the installation one for test, control module are connected by four high frequency cables and LCR testers in computer
It connects, computer connects LCR testers by the interface card of one piece of 82350A USB/GPIB model；
S200：A packaged external capacitor fixture for carrying testing capacitance, the capacitor clamp is selected to may be selected with many kinds of work position,
Station forms a two-dimensional matrix, which is carried out by the printed circuit connector of the above-mentioned epitaxial apparatus of Y type cable connections
The transmission of test signal；
S300：The selection of test condition is carried out to LCR testers in the test program of computer, test condition is test
Parameter, test frequency two, wherein test frequency and test voltage can directly input in the test program of computer, test ginseng
Number can select setting in test program, be capacitance and loss, series equivalent resistance and reactance and impedance and phase respectively
Angle；
S400：When starting test, control signal is sent out to control module via communication module from computer, in control module
Middle carry out level conversion, the row relay switch in driving switch matrix unit and row relay switch fitting closure or disconnection,
Realize connection, switching and the test of each capacitance in two-dimensional matrix in fixture.
The applicability of the epitaxial apparatus of the inspection of this capacitance batch and test is higher, can connect a variety of LCR testers or more sets
The capacitance fixture of different capabilities, and it is simple with the connection of each external device, with reliability is high, contact resistance is small, is hardly damaged
The advantages that, it can be automatically confirmed that when carrying out inspection to capacitance and screen whether circuit on capacitance fixture and socket is all connected.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of epitaxial apparatus of the inspection of capacitance batch and test, for connecting computer, LCR testers and capacitance fixture,
It is characterized in that, including sequentially connected communication module, control module and switch matrix unit；
The communication module connects the computer by cable, receives the instruction of computer；
The control module connects the communication module, generates control command；
The switch matrix unit connects the control module, including is made of multiple row relay switches and row relay switch
Matrix array, the switch matrix unit is electrically connected capacitance fixture；
The control module connects a LCR tester by cable.
2. the apparatus according to claim 1, which is characterized in that further include a printed circuit connector, be used for grafting cable
Connect capacitance fixture, in include pin corresponding with the matrix array, described pin one end respectively with relay switch pair
It should connect, the other end is correspondingly connected with by the pin of cable and capacitance fixture.
3. the apparatus of claim 2, which is characterized in that the capacitance fixture includes multiple capacitance stations, constitute with
The two-dimensional matrix that the matrix array is correspondingly connected with.
4. the apparatus according to claim 1, which is characterized in that the computer passes through an interface with the LCR testers
Card module realizes signal connection.
5. the apparatus according to claim 1, which is characterized in that the control module and switch matrix unit it is integrally disposed in
On one piece of printed circuit board, which includes a kind of insertion slot type interface, and the communication module is a dismountable communication
Circuit board is plugged on by the insertion slot type interface on the printed circuit board.
6. device according to claim 5, which is characterized in that the communication board includes a USB interface, for leading to
It crosses USB data line and connects the computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820304500.8U CN207924050U (en) | 2018-03-05 | 2018-03-05 | The epitaxial apparatus of the inspection of capacitance batch and test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820304500.8U CN207924050U (en) | 2018-03-05 | 2018-03-05 | The epitaxial apparatus of the inspection of capacitance batch and test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924050U true CN207924050U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820304500.8U Active CN207924050U (en) | 2018-03-05 | 2018-03-05 | The epitaxial apparatus of the inspection of capacitance batch and test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI679429B (en) * | 2018-12-26 | 2019-12-11 | 致茂電子股份有限公司 | Device for testing capacitor |
| CN113406431A (en) * | 2021-06-08 | 2021-09-17 | 成都云绎智创科技有限公司 | Automatic testing method applied to capacitance double-parameter testing sorting machine |
-
2018
- 2018-03-05 CN CN201820304500.8U patent/CN207924050U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI679429B (en) * | 2018-12-26 | 2019-12-11 | 致茂電子股份有限公司 | Device for testing capacitor |
| CN113406431A (en) * | 2021-06-08 | 2021-09-17 | 成都云绎智创科技有限公司 | Automatic testing method applied to capacitance double-parameter testing sorting machine |
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