CN109541435A - A kind of electronic equipment boundary scan testing device based on backboard - Google Patents
A kind of electronic equipment boundary scan testing device based on backboard Download PDFInfo
- Publication number
- CN109541435A CN109541435A CN201811356293.1A CN201811356293A CN109541435A CN 109541435 A CN109541435 A CN 109541435A CN 201811356293 A CN201811356293 A CN 201811356293A CN 109541435 A CN109541435 A CN 109541435A
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- CN
- China
- Prior art keywords
- boundary scan
- fixedly connected
- transverse slat
- heat dissipation
- electronic equipment
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- 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.)
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Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- 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
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/3185—Reconfiguring for testing, e.g. LSSD, partitioning
- G01R31/318533—Reconfiguring for testing, e.g. LSSD, partitioning using scanning techniques, e.g. LSSD, Boundary Scan, JTAG
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses a kind of electronic equipment boundary scan testing device based on backboard, including Boundary Scan Controller and heat dissipation tank, the side of the Boundary Scan Controller is fixedly connected with the side of heat dissipation tank, the first transverse slat is fixedly connected at the top of the heat dissipation box cavity, it is described heat dissipation box cavity bottom and be located at the first transverse slat immediately below be fixedly connected with the second transverse slat, the present invention relates to scan testing techniques fields.The electronic equipment boundary scan testing device based on backboard; have the effect of heat dissipation, play the role of protection to Boundary Scan Controller, avoids Boundary Scan Controller and damaged because of work overheat; extend the service life of Boundary Scan Controller; the maintenance rate of Boundary Scan Controller is reduced, support plate keeps radiator fan more stable, avoids damaging radiator fan; it is easy to operate; it is practical, convenient for test, calculate accurate.
Description
Technical field
The present invention relates to scan testing techniques field, specially a kind of electronic equipment boundary scan testing dress based on backboard
It sets.
Background technique
As weaponry develops to information-based direction, a large amount of electronic equipments using new technology circuit chip are in equipment
Specific gravity it is increasing, the integration level of electronic equipment of Technology for Modern Equipment is higher and higher, and compact-sized, the pin of circuit is intensive, logic
Complexity communicates especially in radar, navigation, and in the electronic equipments such as computer, the testability of circuit and system sharply declines,
Test cost proportion in circuit and system overhead constantly rises, and conventional test method, which is faced with, to be on the rise
Difficulty, if still using traditional outer probe method and " needle bed " fixture test method come thoroughly test is welded on comprehensively
Device on electronic equipment has been unable to meet requirement, and boundary scan technique is rapidly developed and applied, in equipment maintenance and
Guarantee field, the guarantee especially for Complex electronic equipments safeguard that boundary scan technique all plays important role, with
Boundary scan technique is applied more and more widely in more fields, and has become circuit board testing side general in the world
Method, the boundary scan product developed based on JTAG protocol is also more and more, and hardware class is also more and more abundant, but current
Boundary scan testing instrument cannot be to the continuity testing between circuit board each in system equipment, even test also can only in plate
It is monolithic test, the test for completing whole equipment is not only time-consuming, but also it is comparatively laborious to operate, the existing electricity based on backboard
Sub- equipment boundary scan testing device does not have the effect of heat dissipation, it is difficult to the work of protection is played to Boundary Scan Controller
With.
Traditional electronic equipment boundary scan testing device based on backboard is very simple device mostly, does not have and dissipates
The effect of heat, it is difficult to play the role of protection to Boundary Scan Controller, Boundary Scan Controller is easy because of work
It overheats and damages, shortened the service life of Boundary Scan Controller, improved Boundary Scan Controller
Maintenance rate, be generally basede on backboard electronic equipment boundary scan testing device do not have support plate, it is difficult to make radiator fan more
Add stabilization, be easy to damage radiator fan, operation is not simple enough, and practicability is not strong enough, is not easy to test, and calculates not smart enough
It is quasi-.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of, and the electronic equipment boundary scan testing based on backboard fills
It sets, solves the electronic equipment boundary scan testing device based on backboard and do not have the effect of heat dissipation, is difficult to survey boundary scan
Examination controller plays the role of protection and calculates not accurate enough problem.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of electronic equipment based on backboard
Boundary scan testing device, including Boundary Scan Controller and heat dissipation tank, the side of the Boundary Scan Controller
It is fixedly connected with the side of heat dissipation tank, the first transverse slat, the heat dissipation box cavity is fixedly connected at the top of the heat dissipation box cavity
Bottom and be located at the first transverse slat immediately below be fixedly connected with the second transverse slat, be fixedly connected with electricity at the top of second transverse slat
Dynamic motor, and the output shaft of electric motor is fixedly connected with threaded rod by shaft coupling, and the top of the threaded rod passes through axis
It holds and is connect with the lower rotation of the first transverse slat, the surface of the threaded rod is threaded with threaded block, the bottom of first transverse slat
Slide bar, and the surface sliding of slide bar are fixedly connected between portion and the top of the second transverse slat and positioned at the two sides of electric motor
It is connected with sliding block, the side of the sliding block is fixedly connected with the side of threaded block by link block.
Preferably, the side of the sliding block is fixedly connected with support plate, and heat dissipation is fixedly connected at the top of support plate
The side of fan, the heat dissipation tank is communicated with ventilation duct.
Preferably, the side of the Boundary Scan Controller is fixedly connected with the first connecting line, and the first connection
Line is fixedly connected with computer far from one end of Boundary Scan Controller.
Preferably, key is fixedly connected at the top of the computer, the side of the computer is fixedly connected with center
Processor.
Preferably, the side of the Boundary Scan Controller and be located at the first connecting line immediately below be fixedly connected with
Second connecting line, second connecting line are fixedly connected with tested circuit board far from one end of Boundary Scan Controller.
Preferably, the output end of the computer is connected with the input terminal of data comparator, the data comparator it is defeated
Outlet is connected with the input terminal of feedback module, and the output end of the feedback module is connected with the input terminal of central processing unit, described
The output end of central processing unit is connect with the input terminal of data comparator, electric motor and radiator fan respectively, the key
The connection of the input terminal of output end and central processing unit.
Preferably, the input terminal of the key, computer and central processing unit electrically connects with the output end of power module
It connects, the Boundary Scan Controller is bi-directionally connected with computer and the realization of tested circuit board.
Beneficial effect
The present invention provides a kind of electronic equipment boundary scan testing device based on backboard.Have compared with prior art
Below the utility model has the advantages that
(1), it is somebody's turn to do the electronic equipment boundary scan testing device based on backboard, passes through the side of Boundary Scan Controller
Be fixedly connected with the side of heat dissipation tank, the first transverse slat be fixedly connected at the top of the box cavity that radiates, the bottom for the box cavity that radiates and
It is fixedly connected with the second transverse slat immediately below the first transverse slat, electric motor is fixedly connected at the top of the second transverse slat, and
The output shaft of electric motor is fixedly connected with threaded rod by shaft coupling, and the top of threaded rod passes through the bottom of bearing and the first transverse slat
Portion's rotation connection, the surface of threaded rod is threaded with threaded block, between the bottom of the first transverse slat and the top of the second transverse slat and
Be fixedly connected to slide bar positioned at the two sides of electric motor, and the surface of slide bar slidably connects sliding block, the side of sliding block with
The side of threaded block is fixedly connected by link block, is had the effect of heat dissipation, is played protection to Boundary Scan Controller
Effect, avoid Boundary Scan Controller because work overheat and damage, extend Boundary Scan Controller
Service life, reduce the maintenance rate of Boundary Scan Controller.
(2), it is somebody's turn to do the electronic equipment boundary scan testing device based on backboard, by being fixedly connected at the top of heat dissipation box cavity
Have the first transverse slat, the bottom for the box cavity that radiates and be located at the first transverse slat immediately below be fixedly connected with the second transverse slat, the second transverse slat
Top be fixedly connected with electric motor, and the output shaft of electric motor is fixedly connected with threaded rod, screw thread by shaft coupling
The top of bar is connect by bearing with the lower rotation of the first transverse slat, and the surface of threaded rod is threaded with threaded block, and first is horizontal
Slide bar, and the table of slide bar are fixedly connected between the bottom of plate and the top of the second transverse slat and positioned at the two sides of electric motor
Face slidably connects sliding block, and the side of sliding block is fixedly connected with support plate, and radiation air is fixedly connected at the top of support plate
Fan, the side of heat dissipation tank are communicated with ventilation duct, and support plate keeps radiator fan more stable, avoids damaging radiator fan.
(3), it is somebody's turn to do the electronic equipment boundary scan testing device based on backboard, passes through the side of Boundary Scan Controller
It is fixedly connected with the first connecting line, the first transverse slat is fixedly connected at the top of the box cavity that radiates, the bottom and position of the box cavity that radiates
It is fixedly connected with the second transverse slat immediately below the first transverse slat, electric motor, and electricity are fixedly connected at the top of the second transverse slat
The output shaft of dynamic motor is fixedly connected with threaded rod by shaft coupling, and the top of threaded rod passes through the bottom of bearing and the first transverse slat
Rotation connection, the surface of threaded rod are threaded with threaded block, between the bottom of the first transverse slat and the top of the second transverse slat and position
It is fixedly connected to slide bar in the two sides of electric motor, and the surface of slide bar slidably connects sliding block, and the first connecting line
One end far from Boundary Scan Controller is fixedly connected with computer, easy to operate, practical.
(4), should electronic equipment boundary scan testing device based on backboard, by be fixedly connected at the top of computer by
Key, the side of computer are fixedly connected with central processing unit, the side of Boundary Scan Controller and are located at the first connecting line
Underface be fixedly connected with the second connecting line, the second connecting line is fixedly connected with far from one end of Boundary Scan Controller
Tested circuit board, the output end of computer are connected with the input terminal of data comparator, the output end and feedback of data comparator
The input terminal of module connects, and the output end of feedback module is connected with the input terminal of central processing unit, the output end of central processing unit
Connect respectively with the input terminal of data comparator, electric motor and radiator fan, the output end of key and central processing unit it is defeated
Enter end connection, the input terminal of key, computer and central processing unit is electrically connected with the output end of power module, boundary scan
Test controller is bi-directionally connected with computer and the realization of tested circuit board, convenient for test, is calculated accurate.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view of heat-dissipation box structure of the present invention；
Fig. 3 is the functional block diagram of present system structure.
In figure: 1 Boundary Scan Controller, 2 heat dissipation tanks, 3 first transverse slats, 4 second transverse slats, 5 electric motors, 6 screw threads
Bar, 7 threaded blocks, 8 slide bars, 9 sliding blocks, 10 support plates, 11 radiator fans, 12 ventilation ducts, 13 first connecting lines, 14 computers, 15
Key, 16 central processing units, 17 second connecting lines, 18 tested circuit boards, 19 data comparators, 20 feedback modules, 21 power supplys
Module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of electronic equipment boundary scan testing based on backboard
The one of device, including Boundary Scan Controller 1 and heat dissipation tank 2, the side of Boundary Scan Controller 1 and heat dissipation tank 2
Side is fixedly connected, and is fixedly connected with the first transverse slat 3 at the top of 2 inner cavity of heat dissipation tank, the bottom of 2 inner cavity of heat dissipation tank and to be located at first horizontal
The underface of plate 3 is fixedly connected with the second transverse slat 4, and the top of the second transverse slat 4 is fixedly connected with electric motor 5, and electric motor 5 is
Positive and negative rotation electric motor, 5 positive and negative rotation of electric motor, representative is that electric motor 5 is rotated clockwise and rotated counterclockwise, electronic horse
Rotating clockwise up to 5 is that electric motor 5 rotates forward, and it is that electric motor 5 inverts that electric motor 5, which rotates counterclockwise, positive and negative rotation control electricity
As long as road figure and its principle analysis will realize that the positive and negative rotation of motor will be connected to any two-phase in motor three phase mains inlet wire
Exchanging wiring i.e. can reach the purpose of reversion, and the output shaft of electric motor 5 is fixedly connected with threaded rod 6 by shaft coupling,
The top of threaded rod 6 is connect by bearing with the lower rotation of the first transverse slat 3, and the surface of threaded rod 6 is threaded with threaded block
7, it is fixedly connected to slide bar 8 between the bottom of the first transverse slat 3 and the top of the second transverse slat 4 and positioned at the two sides of electric motor,
And the surface of slide bar 8 slidably connects sliding block 9, and the side of sliding block 9 is fixedly connected with the side of threaded block 7 by link block,
The side of sliding block 9 is fixedly connected with support plate 10, and support plate 10 keeps radiator fan 11 more stable, avoids making radiator fan 11
It is fixedly connected with radiator fan 11 at the top of damage, and support plate 10, has the effect of heat dissipation, to boundary scan testing control
Device 1 processed plays the role of protection, avoids Boundary Scan Controller 1 and damages because of work overheat, extends side
The service life of boundary's sweep test controller 1, reduces the maintenance rate of Boundary Scan Controller 1, and the side of heat dissipation tank 2 connects
It is connected with ventilation duct 12, the side of Boundary Scan Controller 1 is fixedly connected with the first connecting line 13, and the first connecting line 13
One end far from Boundary Scan Controller 1 is fixedly connected with computer 14, and the top of computer 14 is fixedly connected with key
15, the side of computer 14 is fixedly connected with central processing unit 16, the side of Boundary Scan Controller 1 and is located at first and connects
The underface of wiring 13 is fixedly connected with the second connecting line 17, the second connecting line 17 far from Boundary Scan Controller 1 one
End is fixedly connected with tested circuit board 18, and the output end of computer 14 is connected with the input terminal of data comparator 19, data ratio
Output end compared with device 19 is connected with the input terminal of feedback module 20, the input of the output end and central processing unit 16 of feedback module 20
End connection, the output end of central processing unit 16 connect with the input terminal of data comparator 19, electric motor 5 and radiator fan 11 respectively
Connect, the output end of key 15 is connect with the input terminal of central processing unit 16, key 15, computer 14 and central processing unit 16 it is defeated
Enter end to be electrically connected with the output end of power module 21, Boundary Scan Controller 1 with computer 14 and tested electric
The realization of road plate 18 is bi-directionally connected.
When work, user can start electric motor 5 and radiator fan 11 by key 15, after electric motor 5 starts
Threaded rod 6 is driven to rotate, the rotation of threaded rod 6 drives threaded block 7 to move, threaded block 7
Movement band movable slider 8 moves up and down, and sliding block 8, which moves up and down, drives support plate 10 to move up and down, about 10 support plate
It moves and radiator fan 11 is driven to move up and down, such radiator fan 11 is by the power of electric motor 5 above and below 2 inside of heat dissipation tank
Movement, subsequent start-up radiator fan 11, then radiator fan 11 rotates upwardly and downwardly under the action of electric motor 5, radiator fan 11
The cold wind of blowout is entered inside Boundary Scan Controller 1 by ventilation duct 12, to rise to Boundary Scan Controller 1
The effect of heat dissipation has been arrived,
Play the role of protection to Boundary Scan Controller 1, avoids Boundary Scan Controller 1 because of work
It overheats and damages, extend the service life of Boundary Scan Controller 1, reduce Boundary Scan Controller 1
Maintenance rate.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of electronic equipment boundary scan testing device based on backboard, including Boundary Scan Controller (1) and heat dissipation
The side of case (2), the Boundary Scan Controller (1) is fixedly connected with the side of heat dissipation tank (2), it is characterised in that: institute
State and be fixedly connected with the first transverse slat (3) at the top of heat dissipation tank (2) inner cavity, the bottom of heat dissipation tank (2) inner cavity and be located at first
It is fixedly connected with immediately below transverse slat (3) the second transverse slat (4), is fixedly connected with electric motor at the top of second transverse slat (4)
(5), and the output shaft of electric motor (5) is fixedly connected with threaded rod (6) by shaft coupling, the top of the threaded rod (6)
It is connect by bearing with the lower rotation of the first transverse slat (3), the surface of the threaded rod (6) is threaded with threaded block (7), institute
It states between the bottom of the first transverse slat (3) and the top of the second transverse slat (4) and the two sides for being located at electric motor is fixedly connected to cunning
Bar (8), and the surface of slide bar (8) slidably connects sliding block (9), and the side of the sliding block (9) and the side of threaded block (7) are logical
Link block is crossed to be fixedly connected.
2. a kind of electronic equipment boundary scan testing device based on backboard according to claim 1, it is characterised in that: institute
The side for stating sliding block (9) is fixedly connected with support plate (10), and is fixedly connected with radiator fan at the top of support plate (10)
(11), the side of the heat dissipation tank (2) is communicated with ventilation duct (12).
3. a kind of electronic equipment boundary scan testing device based on backboard according to claim 1, it is characterised in that: institute
The side for stating Boundary Scan Controller (1) is fixedly connected with the first connecting line (13), and the first connecting line (13) is separate
One end of Boundary Scan Controller (1) is fixedly connected with computer (14).
4. a kind of electronic equipment boundary scan testing device based on backboard according to claim 3, it is characterised in that: institute
It states and is fixedly connected at the top of computer (14) key (15), the side of the computer (14) is fixedly connected with central processing unit
(16)。
5. a kind of electronic equipment boundary scan testing device based on backboard according to claim 3, it is characterised in that: institute
It states the side of Boundary Scan Controller (1) and is located at immediately below the first connecting line (13) and be fixedly connected with the second connecting line
(17), second connecting line (17) is fixedly connected with tested circuit board far from the one end of Boundary Scan Controller (1)
(18)。
6. a kind of electronic equipment boundary scan testing device based on backboard according to claim 3, it is characterised in that: institute
The output end for stating computer (14) is connected with the input terminal of data comparator (19), the output end of the data comparator (19) and
The input terminal of feedback module (20) connects, and the output end of the feedback module (20) and the input terminal of central processing unit (16) connect
Connect, the output end of the central processing unit (16) respectively with data comparator (19), electric motor (5) and radiator fan (11)
Input terminal connection, the output end of the key (15) are connect with the input terminal of central processing unit (16).
7. a kind of electronic equipment boundary scan testing device based on backboard according to claim 4, it is characterised in that: institute
Output end of the input terminal of key (15), computer (14) and central processing unit (16) with power module (21) is stated electrically to connect
It connects, the Boundary Scan Controller (1) is bi-directionally connected with computer (14) and tested circuit board (18) realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356293.1A CN109541435A (en) | 2018-11-14 | 2018-11-14 | A kind of electronic equipment boundary scan testing device based on backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356293.1A CN109541435A (en) | 2018-11-14 | 2018-11-14 | A kind of electronic equipment boundary scan testing device based on backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109541435A true CN109541435A (en) | 2019-03-29 |
Family
ID=65847377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811356293.1A Withdrawn CN109541435A (en) | 2018-11-14 | 2018-11-14 | A kind of electronic equipment boundary scan testing device based on backboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116298813A (en) * | 2023-04-04 | 2023-06-23 | 南京蓝联盟科技有限公司 | PCB board scanning testing arrangement |
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| CN206002659U (en) * | 2016-08-31 | 2017-03-08 | 上海柏飞电子科技有限公司 | Electronic equipment boundary scan testing device based on backboard |
| CN107168499A (en) * | 2017-07-18 | 2017-09-15 | 合肥壹佰度信息科技有限公司 | A kind of computer base with heat sinking function |
| CN207557854U (en) * | 2017-11-02 | 2018-06-29 | 南京玖鼎悦网络科技有限公司 | A kind of notebook PC radiator with charge function |
| CN108346333A (en) * | 2018-02-02 | 2018-07-31 | 武汉职业技术学院 | One kind controlling actual training device based on industrial intelligent |
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2018
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| US7634713B1 (en) * | 2006-05-16 | 2009-12-15 | Altera Corporation | Error detection and location circuitry for configuration random-access memory |
| CN105334451A (en) * | 2015-11-27 | 2016-02-17 | 张释文 | Boundary scanning and testing system |
| CN105929817A (en) * | 2016-06-02 | 2016-09-07 | 珠海格力电器股份有限公司 | Unit type FCT test apparatus |
| CN206002659U (en) * | 2016-08-31 | 2017-03-08 | 上海柏飞电子科技有限公司 | Electronic equipment boundary scan testing device based on backboard |
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Application publication date: 20190329 |