CN106707138A - Test device applied to circuit board test - Google Patents
Test device applied to circuit board test Download PDFInfo
- Publication number
- CN106707138A CN106707138A CN201611240231.5A CN201611240231A CN106707138A CN 106707138 A CN106707138 A CN 106707138A CN 201611240231 A CN201611240231 A CN 201611240231A CN 106707138 A CN106707138 A CN 106707138A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- housing
- temperature
- test device
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2817—Environmental-, stress-, or burn-in tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention relates to the field of electronic product development, and especially relates to a test device applied to circuit board test. The test device comprises a shell, a power supply communication window, a detection platform, a heating device, a thermal circulation fan, a liquid crystal display, and a temperature sensor. The shell is equipped with a movable door for placing a circuit board into the shell. A power supply communication line arranged on the circuit board extends out of the shell via the power supply communication window and is then connected with monitoring equipment. The detection platform is used for placing a circuit board to be tested. The heating device is used for heating the environment where the circuit board is located. The thermal circulation fan is used for accelerating the flow of air inside the shell to ensure that the temperature of the environment where the circuit board is located is constant. The liquid crystal display is used for displaying the environment temperature inside the shell. The temperature sensor is used for acquiring the environment temperature and displaying the environment temperature through the liquid crystal display. The test device provided by the invention can control and monitor the environment temperature inside the closed shell continuously or stepwise. Thus, problems of the circuit board card can be exposed ahead of time, and development is saved.
Description
Technical field:
The present invention relates to electronic product development field, more particularly to a kind of test device for being applied to circuit board testing.
Background technology:
Printed circuit board (PCB) (Printed Circuit Board, PCB) is quite extensive in all trades and professions application, and it is electronics
The supporter of component, plays key effect in various electric equipments.In the development process of electronic product, electronic device
High temperature reliability be an important ring of product reliability, and simulate high temperature test and generally require many test equipments and spend big
The amount time, while needing a large amount of human resources so that testing cost increases, and the high temperature test of circuit board is sentenced with artificial sense organ in addition
The situation of disconnected result is in the majority, easily erroneous judgement occurs and influences test quality.
The content of the invention:
In view of above-mentioned the deficiencies in the prior art, a kind of test device for being applied to circuit board testing of present invention offer, it is intended to
Improve efficiency and improvement test quality of the circuit board when high temperature test is simulated.
The technical solution adopted for the present invention to solve the technical problems is:
The test device of circuit board testing is applied to, including:
One housing, which is provided with the movable switch door that power circuit board is placed to housing;
Powered communication window, it is opened on the movable switch door, and the powered communication line being arranged on the circuit board leads to
Cross the powered communication window and stretch out the outer external monitoring device of the housing;
Detection platform, it is located in the housing for placing the circuit board to be detected;
Heater, it is located on the housing, for being heated to the environment temperature residing for the circuit board;
Thermal circulation fan, is built in the housing and is connected with the heater, for accelerating the sky in the housing
Air-flow leads to, it is ensured that environment temperature residing for the circuit board it is constant;
LCDs, it is located at the housing one side, for showing the environment temperature in housing;
Temperature sensor, is built in the housing and is connected with the heater, for obtaining environment temperature and passing through
The LCDs shows.
The heater is included being located at the temperature control knob of the housing side and is revolved by the temperature control
Button selects the resistive heater of gear.
The detection platform include a support frame, support frame as described above include base plate, be arranged at it is on base plate and vertical with base plate
Riser and the horizontal checkout plate that is arranged on the riser, be provided with the horizontal checkout plate for housing outside
The wire and the deck for fixing circuit board of the monitoring device connection, the temperature sensor is located to be surveyed with the level
On the support frame of test plate (panel) the same side.
The test device for being applied to circuit board testing also includes:
One timer, it is located on the housing positioned at the lower section of the LCDs, and the timer is by described
LCDs is controlled, the heatproof testing time for setting the circuit board.
One alarm set, it is connected with the timer, and prompting letter is sent when the timer reaches the testing time
Number.
The test device for being applied to circuit board testing also includes:
One memory, it is located on the housing positioned at the lower section of the LCDs, and the memory is by described
LCDs is controlled, for recording simultaneously storage housing interior environment temperature.
One storage setting device, it is connected with the memory, and controls whether the memory starts in storage housing
Portion's environment temperature.
The transparent sealing shell that the housing is made for exotic material.
Compared with prior art, the beneficial effects of the present invention are, the present invention provide test device, it can be to closed housing
Internal environment temperature carries out continuous or steps temperature control and monitoring, so as to be carried out to the circuit-board card being placed in housing
Continuous or steps hot intensifying impact experiment, exposes circuit-board card and there is problem in advance, saves the development time, improves
Efficiency of the circuit board when high temperature test is simulated;Additionally, the test device that the present invention is provided is based on machinery equipment test, manually
Supplemented by test, change and occur the situation of erroneous judgement based on manual testing before this, significantly improve the test matter of circuit board
Amount.
Brief description of the drawings:
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the test device for being applied to circuit board testing of the invention.
Specific embodiment:
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Accompanying drawing 1 is refer to, the figure is the structure of the test device for being applied to circuit board testing provided in an embodiment of the present invention
Schematic diagram, a kind of test device for being applied to circuit board testing, including housing 1, the powered communication window 5, liquid crystal on housing
Display screen 2, the detection platform in housing, heater, thermal circulation fan and temperature sensor.Wherein:
Housing is provided with the movable switch door 4 that power circuit board is placed to housing.Specifically, the housing is high temperature resistant material
The transparent closed shell that material is made, in the present embodiment, transparent containment housing is preferably high temp glass of the fusing point more than 1500 DEG C,
With pressure-resistant exhausted thermal property, it is easy to circuit board testing.
Powered communication window 5, it is opened on the movable switch door 4, is arranged at the powered communication line on the circuit board
The outer external monitoring device of the housing is stretched out by the powered communication window.Circuit board is influenceed to prevent the heat in housing to scatter and disappear
Test, in the present embodiment, between movable switch door and housing and between the powered communication window and movable switch door
Heat-insulated sealing ring is provided with, it is effectively heat-insulated, it is easy to test.
Detection platform, it is used to place the circuit board to be detected.In the present embodiment, the detection platform includes one
Support, support frame as described above includes base plate, is arranged on base plate and the riser vertical with base plate and is arranged on the riser
Horizontal checkout plate, is provided with the wire for being connected with the monitoring device outside housing and is used on the horizontal checkout plate
The deck of fixing circuit board, the temperature sensor be located at the support frame of described horizontal checkout plate the same side on.
Heater, it is located on the housing, for being heated to the environment temperature residing for the circuit board.Specifically
Ground, the heater is included being located at the temperature control knob 3 of the housing side and is selected by the temperature control knob
Select the resistive heater of gear.
In the present embodiment, the resistive heater for selecting different gears by temperature control knob can be realized to shell vivo environment
The change of temperature, constantly adjusts the temperature of adaptive circuit plate high temperature test.
Thermal circulation fan, when heater runs, accelerates the air circulation in the housing, it is ensured that the circuit board institute
The environment temperature at place it is constant.
LCDs 2, for showing the environment temperature in housing 1.
Temperature sensor, it is connected with the heater, for obtaining environment temperature and passing through the LCDs
Display.In the present embodiment, the temperature sensor is connected between the temperature control knob and resistive heater, by rotating
Temperature control knob sends a temperature control signals to the temperature sensor, the environment temperature that temperature sensor will then be obtained with
The corresponding design temperature of the temperature control signals is made comparisons, if the environment temperature for obtaining exceeds corresponding design temperature, institute
State temperature sensor and then send the heating that a stopping heating signal stopping resistive heater to the resistive heater.Prevent housing
Interior environment temperature is inconsistent with the test temperature of setting and influence the electronic component on circuit board, be prevented effectively from environment temperature
It is too high and damage circuit board.Preferably, temperature sensor uses the sensor of model LM135, with fast response time, heatproof
The advantages of, can also be replaced using the temperature sensor of other models in the specific implementation certainly, the present embodiment is not construed as limiting.
The present embodiment, by thermostable transparent sealing shell, heater, thermal circulation fan and temperature sensor and liquid crystal
The simply assembling such as display screen coordinates the temperature control equipment that may make up under a set of closed system, can be to the ring in closed shell
Border temperature carries out continuous or steps temperature control and monitoring, thus to the circuit-board card being placed in housing carry out it is continuous or
Steps hot intensifying impact experiment, exposes circuit-board card and there is problem in advance, saves the development time, improves circuit board and exists
Efficiency during simulation high temperature test.
Further, the test device for being applied to circuit board testing also includes:One timer, it is located at the housing
The upper lower section positioned at the LCDs, and the timer is by LCDs control, for setting the circuit
The heatproof testing time of plate;One alarm set, it is connected with the timer, and is sent out when the timer reaches the testing time
Go out alerting signal.Equipment can voluntarily be run after setting run time, convenient and swift.Alarm set is conventional warning device,
The operation of arrestment when the setting testing time is reached.
Further, the test device for being applied to circuit board testing also includes:One memory, it is located at the shell
Positioned at the lower section of the LCDs on body, and the memory for recording and is stored by LCDs control
Enclosure interior environment temperature;One storage setting device, it is connected with the memory, and controls whether the memory starts to deposit
Storage enclosure interior environment temperature.In the present embodiment, the environment temperature of storage can be inquired about on LCDs, be easy to observe circuit
Whether within the acceptable range temperature error of the plate in high temperature test.Storage setting device is set to be easy to store test on demand
Required environment temperature, is conducive to the test of circuit board, at the same can also reduce test the information of unwanted environment temperature deposit
Reserves, make equipment quickly run.
The course of work for being applied to circuit board testing of the embodiment of the present invention:
During test, it is positioned in closed shell by movable switch goalkeeper's circuit board under test, the powered communication on circuit board
Line is stretched out by the powered communication window on movable switch door and connects monitoring and load equipment, by temperature control knob come Environment
Temperature, while thermal circulation fan ensures the constant of environment temperature, the environment temperature that temperature sensor can be used to obtain in housing is simultaneously
By the temperature in the real-time show case body of LCDs, design is simple, it is quick to install simple, convenient test.
It is as described above to combine one or more implementation method that particular content is provided, does not assert specific reality of the invention
Apply and be confined to these explanations.It is all approximate with the method for the present invention, structure etc., identical, or for present inventive concept under the premise of
Some technology deduction or replace are made, should all be considered as protection scope of the present invention.
Claims (8)
1. the test device of circuit board testing is applied to, it is characterised in that including:
One housing, which is provided with the movable switch door that power circuit board is placed to housing;
Powered communication window, it is opened on the movable switch door, and the powered communication line being arranged on the circuit board passes through institute
State powered communication window and stretch out the outer external monitoring device of the housing;
Detection platform, it is located in the housing for placing the circuit board to be detected;
Heater, it is located on the housing, for being heated to the environment temperature residing for the circuit board;
Thermal circulation fan, is built in the housing and is connected with the heater, for accelerating the air stream in the housing
It is logical, it is ensured that environment temperature residing for the circuit board it is constant;
LCDs, it is located at the housing one side, for showing the environment temperature in housing;
Temperature sensor, is built in the housing and is connected with the heater, for obtaining environment temperature and passing through described
LCDs shows.
2. the test device for being applied to circuit board testing according to claim 1, it is characterised in that:The heater bag
Include the resistive heater that gear is selected located at the temperature control knob of the housing side and by the temperature control knob.
3. the test device for being applied to circuit board testing according to claim 1, it is characterised in that:The detection platform bag
Include a support frame, support frame as described above includes base plate, is arranged on base plate and the riser vertical with base plate and is arranged at described perpendicular
Horizontal checkout plate on plate, be provided with the horizontal checkout plate for the wire being connected with the monitoring device outside housing with
And for the deck of fixing circuit board, the temperature sensor be located at on the support frame of described horizontal checkout plate the same side.
4. the test device for being applied to circuit board testing according to claim 1, it is characterised in that:It is described to be applied to circuit
The test device of board test also includes:
One timer, it is located on the housing positioned at the lower section of the LCDs, and the timer receives the liquid crystal
Display screen is controlled, the heatproof testing time for setting the circuit board;
One alarm set, it is connected with the timer, and sends alerting signal when the timer reaches the testing time.
5. the test device for being applied to circuit board testing according to claim 1, it is characterised in that:It is described to be applied to circuit
The test device of board test also includes:
One memory, it is located on the housing positioned at the lower section of the LCDs, and the memory receives the liquid crystal
Display screen is controlled, for recording simultaneously storage housing interior environment temperature;
One storage setting device, it is connected with the memory, and controls whether the memory starts storage housing inner loop
Border temperature.
6. the test device for being applied to circuit board testing according to claim 1, it is characterised in that:The housing is resistance to height
The transparent sealing shell that adiabator is made.
7. the test device for being applied to circuit board testing according to claim 1, it is characterised in that:The movable switch door
Heat-insulated sealing ring is equipped between housing and between the powered communication window and movable switch door.
8. the test device for being applied to circuit board testing according to claim 2, it is characterised in that:The temperature sensor
It is connected between the temperature control knob and resistive heater, is sent out to the temperature sensor by rotating temperature control knob
Go out a temperature control signals, the environment temperature design temperature corresponding with the temperature control signals that temperature sensor will then be obtained
Make comparisons, if the environment temperature for obtaining exceeds corresponding design temperature, the temperature sensor then sends stopping heating letter
Number to the resistive heater stop resistive heater heating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611240231.5A CN106707138A (en) | 2016-12-29 | 2016-12-29 | Test device applied to circuit board test |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611240231.5A CN106707138A (en) | 2016-12-29 | 2016-12-29 | Test device applied to circuit board test |
Publications (1)
Publication Number | Publication Date |
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CN106707138A true CN106707138A (en) | 2017-05-24 |
Family
ID=58903721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611240231.5A Pending CN106707138A (en) | 2016-12-29 | 2016-12-29 | Test device applied to circuit board test |
Country Status (1)
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CN (1) | CN106707138A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107884701A (en) * | 2017-10-12 | 2018-04-06 | 中车青岛四方机车车辆股份有限公司 | A kind of experimental provision and experimental method of circuit board tolerance overvoltage damage |
CN107942226A (en) * | 2017-11-13 | 2018-04-20 | 广东德众堂生物科技有限公司 | A kind of wiring board aging test box |
CN113791337A (en) * | 2021-11-16 | 2021-12-14 | 江西卓驰商业运营管理有限公司 | Data processing-based quality analysis monitoring system for circuit board |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6373270B1 (en) * | 1997-04-30 | 2002-04-16 | Rpi, Inc. | Product carrier for environmental test system |
JP2005175492A (en) * | 2003-12-12 | 2005-06-30 | Au Optronics Corp | Method for measuring contact resistance of electronic equipment joined to liquid crystal display panel and liquid crystal display for measuring method |
CN2775654Y (en) * | 2005-01-28 | 2006-04-26 | 徐地华 | Weldability detector |
CN101852551A (en) * | 2009-04-01 | 2010-10-06 | 辉达公司 | Furnace for performing high-temperature test on electronic component |
CN103558563A (en) * | 2013-11-22 | 2014-02-05 | 太仓市同维电子有限公司 | Aging trolley for delivery power source aging tests of PCBs |
CN104122446A (en) * | 2013-04-26 | 2014-10-29 | 技嘉科技股份有限公司 | Circuit board test system |
CN205301215U (en) * | 2016-01-21 | 2016-06-08 | 浪潮电子信息产业股份有限公司 | Memory high temperature test box |
CN205323792U (en) * | 2016-01-30 | 2016-06-22 | 浪潮电子信息产业股份有限公司 | High-temperature test box |
CN205620335U (en) * | 2016-03-21 | 2016-10-05 | 苏州今蓝纳米科技有限公司 | Thermal -insulated contrast tester |
CN106019114A (en) * | 2016-06-23 | 2016-10-12 | 上海战旗电子有限公司 | Test temperature box |
CN205720546U (en) * | 2016-04-27 | 2016-11-23 | 杭州华扬电子有限公司 | A kind of baking box for thermal ageing test |
CN205786997U (en) * | 2016-06-23 | 2016-12-07 | 上海战旗电子有限公司 | Test incubator |
CN205809235U (en) * | 2016-04-27 | 2016-12-14 | 杭州华扬电子有限公司 | A kind of thermal ageing test device |
-
2016
- 2016-12-29 CN CN201611240231.5A patent/CN106707138A/en active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6373270B1 (en) * | 1997-04-30 | 2002-04-16 | Rpi, Inc. | Product carrier for environmental test system |
JP2005175492A (en) * | 2003-12-12 | 2005-06-30 | Au Optronics Corp | Method for measuring contact resistance of electronic equipment joined to liquid crystal display panel and liquid crystal display for measuring method |
CN2775654Y (en) * | 2005-01-28 | 2006-04-26 | 徐地华 | Weldability detector |
CN101852551A (en) * | 2009-04-01 | 2010-10-06 | 辉达公司 | Furnace for performing high-temperature test on electronic component |
CN104122446A (en) * | 2013-04-26 | 2014-10-29 | 技嘉科技股份有限公司 | Circuit board test system |
CN103558563A (en) * | 2013-11-22 | 2014-02-05 | 太仓市同维电子有限公司 | Aging trolley for delivery power source aging tests of PCBs |
CN205301215U (en) * | 2016-01-21 | 2016-06-08 | 浪潮电子信息产业股份有限公司 | Memory high temperature test box |
CN205323792U (en) * | 2016-01-30 | 2016-06-22 | 浪潮电子信息产业股份有限公司 | High-temperature test box |
CN205620335U (en) * | 2016-03-21 | 2016-10-05 | 苏州今蓝纳米科技有限公司 | Thermal -insulated contrast tester |
CN205720546U (en) * | 2016-04-27 | 2016-11-23 | 杭州华扬电子有限公司 | A kind of baking box for thermal ageing test |
CN205809235U (en) * | 2016-04-27 | 2016-12-14 | 杭州华扬电子有限公司 | A kind of thermal ageing test device |
CN106019114A (en) * | 2016-06-23 | 2016-10-12 | 上海战旗电子有限公司 | Test temperature box |
CN205786997U (en) * | 2016-06-23 | 2016-12-07 | 上海战旗电子有限公司 | Test incubator |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107884701A (en) * | 2017-10-12 | 2018-04-06 | 中车青岛四方机车车辆股份有限公司 | A kind of experimental provision and experimental method of circuit board tolerance overvoltage damage |
CN107884701B (en) * | 2017-10-12 | 2020-06-16 | 中车青岛四方机车车辆股份有限公司 | Experimental device and experimental method for circuit board to withstand overvoltage damage |
CN107942226A (en) * | 2017-11-13 | 2018-04-20 | 广东德众堂生物科技有限公司 | A kind of wiring board aging test box |
CN113791337A (en) * | 2021-11-16 | 2021-12-14 | 江西卓驰商业运营管理有限公司 | Data processing-based quality analysis monitoring system for circuit board |
CN113791337B (en) * | 2021-11-16 | 2022-03-04 | 吉安县鑫盛电子有限公司 | Data processing-based quality analysis monitoring system for circuit board |
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Application publication date: 20170524 |