CN206848419U - Board level testing system - Google Patents
Board level testing system Download PDFInfo
- Publication number
- CN206848419U CN206848419U CN201720515605.3U CN201720515605U CN206848419U CN 206848419 U CN206848419 U CN 206848419U CN 201720515605 U CN201720515605 U CN 201720515605U CN 206848419 U CN206848419 U CN 206848419U
- Authority
- CN
- China
- Prior art keywords
- card
- board
- board card
- awaiting
- controller
- 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.)
- Active
Links
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model provides a kind of board level testing system, including：Controller, communication card, output board card and controlling switch；Output board card is electrically connected by controlling switch with awaiting board card, and awaiting board card includes a plurality of circuit, and controlling switch is used for optionally control output board card and electrically connected with the one or more of circuits of awaiting board card；Controller communicates to connect with controlling switch, for controlling the switching of controlling switch；Controller is communicated to connect by communication card and awaiting board card；Controller also communicates to connect with output board card, for controlling output board card to export the first pumping signal；Communication card receives awaiting board card for the feedback signal of the first pumping signal and passes to controller.The board level testing system that the present embodiment provides can realize the automatic test of awaiting board card, improve the efficiency of awaiting board card test.
Description
Technical field
It the utility model is related to technical field of measurement and test, more particularly to a kind of board level testing system.
Background technology
The development process of control system product is broadly divided into three exploitation of plate level, device level exploitation and system-level exploitation ranks
Section, in order to ensure that the indexs such as the performance of product, reliability, security reach design requirement, it is necessary to enter to the product in each stage
Row test.The test developed and carried out for plate level is board level test, and board level test is most basic test, mainly completes electricity
The test of road plate.
Prior art relies primarily on artificial wiring to realize cutting between tested passage and test circuit for board level test
Change.I.e. when needing to be switched to paths or a kind of lower test content, it is necessary to manual change's awaiting board card and test circuit
Wiring.
But existing this board level test mode takes time and effort, and has had a strong impact on the development efficiency of product.
Utility model content
The utility model provides a kind of board level testing system, the problem of to overcome prior art board level test efficiency low.
The utility model provides a kind of board level testing system, including：Controller, communication card, output board card and control
Switch；Output board card is electrically connected by controlling switch with awaiting board card, and awaiting board card includes a plurality of circuit, and controlling switch is used to select
Output board card is controlled to selecting property to be electrically connected with the one or more of circuits of awaiting board card；Controller and controlling switch communication link
Connect, for controlling the break-make of controlling switch；Controller is communicated to connect by communication card and awaiting board card；Controller also with output
Board communicates to connect, for controlling output board card to export the first pumping signal；Communication card receives awaiting board card and swashed for first
Encourage the feedback signal of signal and pass to controller.
Board level testing system as described above, in addition to input card, input card pass through controlling switch and awaiting board card
Electrical connection, controlling switch are additionally operable to optionally control input board and electrically connected with the one or more of circuits of awaiting board card；
Controller communicates to connect with input card；Controller is additionally operable to control communication card to produce the second pumping signal；Tablet clamping
Awaiting board card is received for the feedback signal of the second pumping signal and passes to controller.
Board level testing system as described above, wherein, input card includes：Digital input card and analog input
Card, controlling switch be additionally operable to optionally to control one of digital input card and analog input card and awaiting board card or
The a plurality of circuit electrical connection of person.
Board level testing system as described above, wherein, input card also includes digital multimeter, and controlling switch is additionally operable to select
Control to selecting property the one or more of of digital input card, analog input card and digital multimeter and awaiting board card
Circuit electrically connects.
Board level testing system as described above, wherein, output board card includes：Digital output card and analog output
Card, controlling switch be additionally operable to optionally to control one of digital output card and analog output card and awaiting board card or
The a plurality of circuit electrical connection of person.
Board level testing system as described above, in addition to oscillograph, oscillograph are electrically connected by controlling switch and awaiting board card
Connect, controlling switch is additionally operable to optionally control oscillograph to electrically connect with the one or more of circuits of awaiting board card；Controller
It is additionally operable to control communication card to produce the 3rd pumping signal；Oscillograph receives and shows awaiting board card for the 3rd pumping signal
Feedback signal.
Board level testing system as described above, wherein, oscillograph and controller communicate to connect, for by the 3rd pumping signal
Feedback signal pass to controller.
Board level testing system as described above, in addition to：Signal processing apparatus, signal processing apparatus are connected on output board card
Between controlling switch, for handling the first pumping signal.
Board level testing system as described above, in addition to server, server are connected with controller telecommunication.
Board level testing system as described above, in addition to：Processor, processor be connected to server and controlling switch it
Between, for controlling the working condition of controlling switch according to the control signal of server.
Board level testing system provided by the utility model is communicated to connect to control control to open by controller with controlling switch
The switching of pass, so as to optionally make output board card be electrically connected with the one or more of circuits of awaiting board card, realize board under test
The automatic test of card, improve the efficiency of awaiting board card test.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one；
Fig. 2 is the structural representation that the utility model tests subrack；
Fig. 3 is the structural representation of the utility model embodiment two；
Fig. 4 is the structural representation of program control load board；
Fig. 5 is the structural representation of the utility model embodiment three；
Fig. 6 is the structural representation of replicating machine in Fig. 5；
Fig. 7 is the structural representation of the utility model embodiment four；
Fig. 8 is the structural representation of switching matrix case in Fig. 7；
Fig. 9 is the structural representation of processor in Fig. 7；
Figure 10 is the internal circuit diagram of processor in Fig. 9；
Figure 11 is the structural scheme of mechanism of distributing cabinet in Fig. 7.
Description of reference numerals：
1：Awaiting board card； 2：Controlling switch；
3：Controller； 4：Communication card；
5：Output board card； 51：Analog output card；
52：Digital output card； 6：Input card；
61：Analog input card； 62：Digital input card；
63：Digital multimeter； 7：Oscillograph；
8：Signal processing apparatus； 9：Distributing cabinet；
10：Test subrack； 101：Communication interface；
102：Awaiting board card interface； 103：Power supply interface；
104：Main test groove； 105：Spareslots position；
11：Server； 12：Ethernet switch；
13：Programmable power supply； 14：Replicating machine；
15：Processor； 16：Switching matrix case；
161：Switching matrix plate； 1611：First row relay switch；
1612：Second row relay switch； S0-S5：Switch.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, it should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, and the utility model is not limited to following specific realities
Apply mode.
Fig. 1 is the structural representation of the utility model embodiment one.Incorporated by reference to Fig. 1, the present embodiment provides a kind of plate level and surveyed
Test system, including：Controller 3, communication card 4, output board card 5 and controlling switch 2；Output board card 5 by controlling switch 2 with
Awaiting board card 1 electrically connects, and awaiting board card 1 includes a plurality of circuit, and controlling switch 2 is used to optionally control output board card 5 with treating
The one or more of circuits electrical connection of drafting board card 1；Controller 3 communicates to connect with controlling switch 2, for controlling controlling switch 2
Break-make；Controller 3 is communicated to connect by communication card 4 and awaiting board card 1；Controller 3 also communicates to connect with output board card 5,
For controlling output board card 5 to export the first pumping signal；Communication card 4 receives awaiting board card 1 for the anti-of the first pumping signal
Feedback signal simultaneously passes to controller 3.
Specifically, awaiting board card 1 can include a plurality of circuit, can correspond to different test contents (such as digital quantity input,
Analog input etc.) or different TCH test channels (awaiting board card correspond to it is a certain test content passage can have it is multiple, such as 16 tunnels
Or 32 tunnel digital quantity input channel etc.), controlling switch 2 can optionally control one of output board card 5 and awaiting board card 1
Or the electrical connection of a plurality of circuit, for testing in different perhaps passage.
When carrying out input test to awaiting board card 1, first, controller 3 is first selected one or more of circuits and surveyed
Examination, the circuit access test circuit that then output control signal control controlling switch 2 will be selected, the circuit that will be selected with
Electrical connection is realized between output board card 5.Then, controller 3 exports another control signal and connect to output board card 5, output board card 5
The first pumping signal is exported after receiving the control signal, the first pumping signal is input to as the input signal of awaiting board card 1 and treated
In drafting board card 1, awaiting board card 1 is made a response to the first pumping signal, and feedback signal is output into communication board according to communication protocol
Card 4, feedback signal is input in controller 3 by communication card 4, and controller 3 is compared feedback signal and the first pumping signal
Compared with judgement tests whether success, and records test result, completes the input test of selected circuit.After the completion of the circuit test,
Controller 3 can also continue to control controlling switch 2 to access other circuits in test circuit, be tested, to be measured until completing
The test of 1 all circuits of board.
Controlling switch can be multigroup, perhaps different TCH test channel in every group of corresponding different test.Do not make to have herein
Body limits.Also, the type of controlling switch is also not specifically limited in the present embodiment, for example, controlling switch can be relay
Device switchs or switching tube.
Fig. 2 is the structural representation that the utility model tests subrack.Incorporated by reference to Fig. 2, the board level testing system of the present embodiment
Test subrack 10 can also be included, so as to which all parts of board level testing system are arranged in test subrack 10, to improve plate
The integration of level test system, so as to reduce overall volume.Specifically, awaiting board card can be fixed in test subrack 10,
Power supply interface 103 and communication interface 101 can be provided to tested board 1 by testing subrack 10, for being powered for awaiting board card 1 and in fact
Now communicate to connect.When equipment connects, communication interface 101 and the communication card 4 of a line connecting test subrack 10 realize board under test
The communication connection of card 1 and communication card 4, another line connection awaiting board card 1 realize awaiting board card 1 and control with controlling switch 2
The electrical connection of switch 2.Test subrack can provide various interfaces for awaiting board card, improve the versatility of test system.Preferably,
It can also be that awaiting board card 1 provides awaiting board card interface 102 to test on subrack 10, and controlling switch 2 can be with test subrack 10
Awaiting board card interface 102 is connected to realize that awaiting board card 1 electrically connects with controlling switch 2.In addition, test subrack 10 can be provided with one
Individual main test groove 104 and multiple spareslots positions 105, awaiting board card 1 are fixed in each groove position, when main test groove 104 occurs
During failure, it can be tested using spareslots position 105, improve the reliability of test system.In addition, controller 3 can also be with
The tested communication of subrack 10 connection, the main test groove 104 or spareslots position 105 for controlling tested subrack 10 access test circuit；When
When having polylith tested board, tested board can be sequentially placed into multiple groove positions, oneself of polylith board is realized by controller 3
Dynamic test, that is, after having tested one piece of awaiting board card, the awaiting board card in next groove position is accessed test circuit by controller 3, after
It is continuous to be tested, it is possible to achieve the automatic test of multiple awaiting board cards, it is high without manual switching board, automaticity.
Pumping signal and feedback signal can be analog quantity or the output signal of digital quantity or signal of communication etc..The present embodiment
In, the first pumping signal can be analog quantity or the output signal of digital quantity.Communication card can be in the prior art can be real
Any board now to communicate such as CAN communication board, MVB communication cards etc., are not specifically limited herein.Controller and communication board
Communication connection mode between card, output board card and controlling switch has a variety of such as Ethernet protocols or CAN agreement, preferably
Ground, controller can be realized by Ethernet switch and other controlled devices and communicated to connect.
The board level testing system that the present embodiment provides is communicated to connect to control controlling switch by controller and controlling switch
Switching, so as to optionally making output board card be electrically connected with the one or more of circuits of awaiting board card, realize awaiting board card
Automatic test, improve awaiting board card test efficiency.
Further, the board level testing system that the present embodiment provides, in addition to input card 6, input card 6 pass through control
Switch 2 electrically connects with awaiting board card 1, and controlling switch 2 is additionally operable to one of optionally control input board 6 and awaiting board card 1
Or a plurality of circuit electrical connection；Controller 3 communicates to connect with input card 6；Controller 3 is additionally operable to control communication card 4 to produce
Second pumping signal；Input card 6 receives awaiting board card 1 for the feedback signal of the second pumping signal and passes to controller 3.
Specifically, when carrying out output test to awaiting board card 1, first, controller 3 first selectes one or more of circuits
Tested, then selected circuit is accessed test circuit by output control signal control controlling switch 2, will be selected
Realize and electrically connect between circuit and input card 6.Then, controller 3 exports another control signal to communication card 4, communication
Board 4, which receives, to be exported the second pumping signal after the control signal second pumping signal is done to awaiting board card 1, awaiting board card 1
Go out and react output feedback signal, input card 6 receives feedback signal and is simultaneously entered into controller 3, and controller 3 is by feedback letter
Number compared with the second pumping signal, judgement tests whether success, and records test result, completes the input of selected circuit
Test.After the completion of the circuit test, controller 3 can also continue to control controlling switch 2 to access other circuits in test circuit,
Tested, the test until completing 1 all circuits of awaiting board card.Output to awaiting board card can be realized by input card
Test so that the function of test system is more perfect.Preferably, in the present embodiment, the second pumping signal is signal of communication, control
Awaiting board card exports analog quantity or digital quantity signal.
Fig. 3 is the structural representation of the utility model embodiment two.The board level test provided incorporated by reference to Fig. 3, the present embodiment
System, wherein, input card 6 includes：Digital input card 62 and analog input card 61, controlling switch 2 are additionally operable to select
Digital input card 62 and analog input card 61 and the one or more of circuits of awaiting board card 1 are controlled to selecting property to be electrically connected
Connect.
Specifically, when the digital output to awaiting board card 1 measures, digital quantity can be selected by controller 3
Input card 62 is as in input card access test circuit；, can be with when the analog output to awaiting board card 1 is tested
Select analog input card 61 to be used as input card by controller 3 to be linked into test circuit；If both needed to numeral
When amount output test and needs to test analog output, different control signals can be sent by controller 3
Realize the automatic switchover between digital input card 62 and analog input card 61.Digital input card is defeated with analog quantity
Enter board so that test system can not only survey the digital output of awaiting board card but also can survey analog output, test function is more complete
Face.
In the present embodiment, input card 6 also includes digital multimeter 63, and controlling switch 2 is additionally operable to optionally control number
The one or more of circuits of word amount input card 62, analog input card 61 and digital multimeter 63 and awaiting board card 1
Electrical connection.
Specifically, when the digital output to awaiting board card 1 is tested, the feedback signal of awaiting board card 1 can be with defeated
Enter into digital multimeter 63, the size or shape of voltage or electric current etc. are shown with digital multimeter.Shown with digital multimeter
Show that feedback signal can make it that test result is directly perceived, specific.
In the present embodiment, output board card 5 includes：Digital output card 52 and analog output card 51, controlling switch 2
It is additionally operable to optionally to control the one or more of of digital output card 52 and analog output card 51 and awaiting board card 1
Circuit electrically connects.
Specifically, when the digital quantity input to awaiting board card 1 measures, digital quantity can be selected by controller 3
Output board card 52 is as in output board card access test circuit；, can be with when the analog input to awaiting board card 1 is tested
Select analog output card 51 to be used as input card by controller 3 to be linked into test circuit；If both needed to numeral
When amount input test and needs to test analog input, different control signals can be sent by controller 3
Realize the automatic switchover between digital output card 52 and analog output card 51.Digital output card is defeated with analog quantity
Go out board so that test system can not only survey the digital output of awaiting board card but also can survey analog output, test function is more complete
Face.
In addition, input card can also be integrated into one piece of board, such as digital input card and numeral with output board card
Amount output board card can be integrated into one piece of digital I/O card, be not specifically limited herein.
In the present embodiment, board level testing system also includes oscillograph 7, and oscillograph 7 passes through controlling switch 2 and awaiting board card 1
Electrical connection, controlling switch 2 are additionally operable to optionally control oscillograph 7 to electrically connect with the one or more of circuits of awaiting board card 1；
Controller 3 is additionally operable to control communication card 4 to produce the 3rd pumping signal；Oscillograph 7 receives and shows awaiting board card 1 for the 3rd
The feedback signal of pumping signal.
Specifically, when carrying out output test to test awaiting board card 1, first, controller 3 is first selected one or more of
Circuit is tested, and then selected circuit is accessed test circuit by output control signal control controlling switch 2, will be chosen
In circuit and oscillograph 7 between realize and electrically connect.Then, controller 3 exports another control signal to communication card 4, leads to
Letter board 4, which receives, to be exported the 3rd pumping signal after the control signal and encourages signal to awaiting board card 1, awaiting board card 1 to the 3rd and do
Go out and react output feedback signal, oscillograph 7 receives feedback signal and changed and shown.
3rd pumping signal can be identical with the second pumping signal, it is preferable that the 3rd pumping signal is defeated for control awaiting board card
Go out the signal of communication of digital quantity.Now, oscillograph can be used for the digital output rising edge of awaiting board card or trailing edge when
Between characteristic tested, test result is more directly perceived.
In the present embodiment, oscillograph 7 communicates to connect with controller 3, for by the feedback signal transmission of the 3rd pumping signal
To controller 3.Specifically, for oscillograph 7 also by feedback signal transmission into controller 3, controller 3 swashs feedback signal and the 3rd
Encourage signal to be compared, judgement tests whether success, and records test result, completes the input test of selected circuit.The electricity
After the completion of drive test examination, controller 3 can continue to control controlling switch 2 to access other circuits in test circuit, be tested, directly
To the test for completing 1 all circuits of awaiting board card.The result of oscillograph is transferred in controller, is easy to controller to tie test
Fruit is compared and stored.
In the present embodiment, board level testing system also includes：Signal processing apparatus 8, signal processing apparatus 8 are connected on output board
Between card 5 and controlling switch 2, for handling the first pumping signal.Specifically, when input card 6 accesses test circuit, signal
Processing unit 8 can also be connected between input card 6 and controlling switch 2, and the feedback signal of awaiting board card 1 is handled.
Signal processing apparatus the operation such as can be amplified to signal, filter and converting the signal into the letter that other equipment can identify
Number, while isolation, protection can also be played a part of.
Specifically, signal processing apparatus can include program control load board, relay output conditioning plate, relay input conditioning
Plate, high-voltage digital output conditioning plate, high-voltage digital input conditioning plate, numeral output conditioning plate, numeral input conditioning plate, analog quantity
Export conditioning plate, analog input conditioning plate etc..Every piece of plank can correspond to different test contents, and user can be according to reality
Situation is configured to the species and number of plank.Preferably, signal processing apparatus can be that the conditioning for integrating above-mentioned function is inserted
Case, the modularization of test system is realized, be easy to control and safeguard.
Wherein, the program control load board in signal processing apparatus can provide load to carry out awaiting board card for awaiting board card
Load characteristic is tested.Specifically, when testing awaiting board card load characteristic, provided by program control load board of different sizes
Load so that awaiting board card obtains the voltage and current of change, so as to measure awaiting board card to the qualitative of different loads or
Person's quantitative reaction, that is, measuring the load characteristic of awaiting board card.Fig. 4 is the structural representation of program control load board.Incorporated by reference to Fig. 4,
Program control load board is connected to multiple resistant series and formed, and each resistance is parallel with a switch, can be incited somebody to action by switching on-off
One resistance access circuit or short circuit.Specifically, each resistance by multiple resistant series or can be formed in parallel again, its quantity and
Size can be configured according to the actual requirements, be not specifically limited herein.The closure of program control load switching plate can be by controlling
Device is controlled.
Fig. 5 is the structural representation of the utility model embodiment three.It is input card 6, defeated in the present embodiment incorporated by reference to Fig. 5
A replicating machine 14 can be integrated into by going out board 5, communication card 4 and controller 3.The module independent as one of replicating machine 14 can
Tested with providing various types of signal for awaiting board card so that the degree of modularity of test system is high, is easy to control to safeguard.It is preferred that
Ground, replicating machine can be integrated each board or controller using PXI/PXIe cabinets.
Fig. 6 is the structural representation of replicating machine in Fig. 5, can include multiple groove positions incorporated by reference to Fig. 6 replicating machines, according to test
Content can add different boards, such as analog input card, analog output card, CAN communication board, Ethernet connect
Oralia card etc..The type and quantity of board can be added according to test content, be not specifically limited herein.
In Fig. 5, board level testing system also includes server 11, and server 11 is connected with the telecommunication of controller 3.Pass through clothes
Business device is communicated to connect with controller, and the part of functions of controller is remotely realized by server, realizes that each several part is individually controlled
System so that the control system degree of modularity is high, and reliability is high, is easy to safeguard.The distribution of controller and server capability can root
It is configured according to actual conditions, the utility model is not limited.
Preferably, controller 3 is integrated into replicating machine 14, is responsible for realizing control to each board in replicating machine 14, even if
Which kind of board which kind of signal provided for awaiting board card with.And server 11 mainly realizes centralized Control, that is, control controlling switch 2,
Each autonomous device such as replicating machine 14, and record test result etc..
Specifically, when the output to awaiting board card is tested, server 11 is first selected one or more of circuits and entered
Row test, then output control signal control controlling switch 2 is by selected circuit access test circuit, the electricity that will be selected
Realize and electrically connect between road and input card 5.Then, server 11 exports another control signal to replicating machine 14, replicating machine
Controller 3 in 14 controls communication card 4 to export the second pumping signal to awaiting board card 1, and awaiting board card 1 is to the second pumping signal
Make a response output feedback signal, input card 6 receives feedback signal and is simultaneously entered into controller 3, and controller 3 will feed back
Then signal uploads onto the server result in 11 compared with the second pumping signal, server 11 judges to test whether into
Work(, and test result is recorded, complete the input test of selected circuit.When being tested using output board card or oscillograph,
Testing process is similar with said process, repeats no more.
In addition, with controller 3 to realize that the mode of telecommunication has a variety of for server 11, it is preferable that server 11 by with
Too network switch 12 communicates to connect with controller 3, can be with remote real-time monitoring.
In the present embodiment, board level testing system can also include programmable power supply 13, and the programmable power supply 13 can also be with emulation
One or more electrical connection in the electrical equipments such as machine 14, signal processing apparatus 8, oscillograph 7 and controlling switch 2, thinks
Corresponding electrical equipment provides the power supply needed for normal work.Preferably, programmable power supply 13 can also be with controller 3 or passing through
Ethernet switch 12 communicates to connect with server 11, to receive the power control signal that controller 3 or server 11 export,
Be so as to respectively different electrical equipment or in the different time same electrical equipment provide have different magnitudes of voltage or
The power supply of person's current value.For example, when needing to use oscillograph 7 to show test result, instruction control can be sent by server 11
Programmable power supply 13 processed is powered to oscillograph 7, when without using oscillograph 7, then stops powering to oscillograph 7.So set
When can avoid the test system from running, all devices are powered and cause power network pressure instability simultaneously, and can reduce energy waste.
In the present embodiment, the quantity and voltage of programmable power supply can be configured according to actual conditions, for example, programmable power supply can be two
Platform, a rated voltage power supply unit for being used as each test equipment, another power supply as digital quantity input test are set
It is standby.
In the present embodiment, board level testing system can also include distributing cabinet 9, and distributing cabinet 9 is connected on awaiting board card 1 and control
Between switch 2.Distributing cabinet 9 can connect all circuits of all controlling switches 2 and awaiting board card 1, be easy to switching to survey
Try circuit.The number of distributing cabinet can be configured as needed, be not specifically limited herein.
In the present embodiment, board level testing system also includes：Processor (not shown), processor are connected to server 11 and control
Between system switch 2, for controlling the working condition of controlling switch 2 according to the control signal of server 11, controlling switch is realized
Individually control.
Fig. 7 is the structural representation of the utility model embodiment four.Server is not shown in figure, and its annexation refer to
Above-described embodiment three.Incorporated by reference to Fig. 7, when the circuit quantity of awaiting board card is excessive, the number of the controlling switch correspondingly needed
Also it is a lot, the huge structure of controlling switch and wiring can be caused complicated, be not easy to control and safeguard.At this point it is possible to using existing
Switching matrix case in technology realizes the function of controlling switch, the feelings that switching matrix case can input in one or more signal
Under condition, select one or more signal to be exported as needed, so as to improve the integrated level of system, and ensure that signal is defeated
The stability for entering/exporting.Preferably, switching matrix case 16 can include multiple switching matrix plates 161, each switching matrix plate
161 include one or more controlling switch, with perhaps TCH test channel in corresponding different test, consequently facilitating to test process
It is independently controlled.The number of switching matrix case and switching matrix plate can be configured according to actual conditions, do not do have herein
Body limits.Further, switching matrix case 16 can also include processor 15, and processor 15 communicates to connect with server 11, use
In the control signal of the reception server 11 and then the break-make of 161 each paths of control switching matrix plate, so as to realize input card
Or the electrical connection of output board card and one or more circuits of awaiting board card.Switching matrix plate 161 is carried out by processor 15
Individually control, the reliability of control system can be improved.
Specifically, during test, server 11 is output a control signal to up to processor 15, and processor 15 is according to control signal control
One or more circuits of awaiting board card 1 are accessed test circuit by switching matrix plate 161 processed, and then server 11 gives replicating machine 14
In 3 one control signals of controller will test needed for board (when the input to awaiting board card is tested, required board can
Think communication card and output board card；When output to awaiting board card is tested, required board can be communication card with
And input card) access test circuit, proceed by test.It can be selected for different test contents different in replicating machine 14
Board and signal processing apparatus 8 in different conditioning plate.
Fig. 8 is the structural representation of switching matrix case in Fig. 7.Incorporated by reference to Fig. 8, switching matrix plate 161 can include first
Row's relay switch 1611 and second row relay switch 1612, first row relay switch 1611 realize signal processing apparatus 8
Switching between test circuit, second row relay switch 1612 switch each circuit and test circuit for realizing awaiting board card 1
Between switching.Preferably, all relay switch acquiescences are in normal-closed end.
Specifically, server 11 gives 15 1 control signals of processor in test process, and processor 15 controls first row
Relay switch 1611 and second row relay switch 1612 are switched to the test electricity corresponding with test content and TCH test channel
Lu Zhong, realize the electrical connection between awaiting board card and signal handling equipment.
Preferably, processor 15 can also undertake the handoff functionality of program control load board and test circuit.Fig. 9 is to locate in Fig. 7
The structural representation of device is managed, Figure 10 is the internal circuit diagram of processor in Fig. 9.Incorporated by reference to Fig. 9 and Figure 10, distributing cabinet 9 includes plate
Card interface and excitation interface, board interface are distributing cabinet 9 and the interface of awaiting board card 1, and excitation interface is distributing cabinet 9 and switching square
The interface of battle array case 16, the interface can include multiple passages, for transmitting pumping signal.In the present embodiment, processor 15 is with matching somebody with somebody
Line case 9 excitation interface connection, be connected with the program control load board of signal processing apparatus 8, be connected with switching matrix plate 161, also with
Oscillograph 7 and digital multimeter 63 connect.
When the output to awaiting board card is tested, switch S0 and switch S5 closures can be by program control load boards
In load access test circuit, now, electric current flows out from switching matrix plate 161 through signal regulating device 8, is input to digital versatile
In the ammeter (being also output to voltmeter or oscillograph, selected according to testing requirement) of table 63, result is shown.
When the input to awaiting board card is tested, a closure in switch S1 to switch S4, switch S5 closures, this
When the first pumping signal be input to from switching matrix plate in the different excitation passages of distributing cabinet, finally with the difference in awaiting board card
Circuit realiration electrically connects, and realizes the switching between each circuit of awaiting board card and test circuit.Switch S1, switch S2, switch S3
And switch S4 represents different excitation passages, it can correspond to the different circuit of awaiting board card, can also be mutually redundant, and ensure
Apply the flexibility of pumping signal.The number of excitation passage can be configured according to actual conditions, and the utility model is not with this
It is limited.
Figure 11 is the structural scheme of mechanism of distributing cabinet in Fig. 7.Incorporated by reference to Figure 11, distributing cabinet 9 includes multiple test interfaces, test
Interface includes the board interface being connected with awaiting board card 1 and the excitation interface being connected with processor 15 again.In addition, distributing cabinet
Programmable power supply interface can also be included and power supply interface is used for the power supply of distributing cabinet.
In the present embodiment, replicating machine can also include delay test board, can be to board under test using delay test board
The time-delay characteristics of card are tested.Delay test can be communicated using the MVB boards in replicating machine, be tested from MVB boards
The first pumping signal is sent to awaiting board card to the time difference between awaiting board card return feedback signal, or is tested from replicating machine
Input card send the time difference that feedback signal is sent between MVB boards by the second pumping signal to awaiting board card.Specifically
Testing process may be referred to above-mentioned input, output test flow, will not be repeated here.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. board level testing system, it is characterised in that including：Controller, communication card, output board card and controlling switch；The output board card is electrically connected by the controlling switch with awaiting board card, and the awaiting board card includes a plurality of circuit, institute Controlling switch is stated to be used to optionally control the output board card and the one or more of circuit electricity of the awaiting board card Connection；The controller communicates to connect with the controlling switch, for controlling the break-make of the controlling switch；The controller is communicated to connect by the communication card and the awaiting board card；The controller also communicates to connect with the output board card, for controlling the output board card to export the first pumping signal； The communication card receives the awaiting board card for the feedback signal of first pumping signal and passes to the controller.
- 2. board level testing system according to claim 1, it is characterised in that also including input card,The input card is electrically connected by the controlling switch with the awaiting board card, and the controlling switch is additionally operable to selectivity Ground controls the input card to be electrically connected with the one or more of circuits of the awaiting board card；The controller communicates to connect with the input card；The controller is additionally operable to control the communication card to produce the second pumping signal；The input card receives the awaiting board card for the feedback signal of second pumping signal and passes to the control Device processed.
- 3. board level testing system according to claim 2, it is characterised in that the input card includes：Digital quantity inputs Board and analog input card, the controlling switch are additionally operable to optionally control the digital input card and the mould Analog quantity input card electrically connects with the one or more of circuits of the awaiting board card.
- 4. board level testing system according to claim 3, it is characterised in that the input card also includes digital versatile Table, the controlling switch are additionally operable to optionally control the digital input card, the analog input card and institute Digital multimeter is stated to electrically connect with the one or more of circuits of the awaiting board card.
- 5. according to the board level testing system described in claim any one of 1-4, it is characterised in that the output board card includes：Number Word amount output board card and analog output card, the controlling switch are additionally operable to optionally control the digital output card Electrically connected with the analog output card with the one or more of circuits of the awaiting board card.
- 6. according to the board level testing system described in claim any one of 1-4, it is characterised in that described to show also including oscillograph Ripple device is electrically connected by the controlling switch with the awaiting board card, and the controlling switch is additionally operable to optionally control described show Ripple device electrically connects with the one or more of circuits of the awaiting board card；The controller is additionally operable to control the communication card to produce the 3rd pumping signal；The oscillograph receives and shows feedback signal of the awaiting board card for the 3rd pumping signal.
- 7. board level testing system according to claim 6, it is characterised in that the oscillograph and the controller communication link Connect, for the feedback signal of the 3rd pumping signal to be passed into the controller.
- 8. according to the board level testing system described in claim any one of 1-4, it is characterised in that also include：Signal processing apparatus, The signal processing apparatus is connected between the output board card and the controlling switch, for handling the first excitation letter Number.
- 9. according to the board level testing system described in claim any one of 1-4, it is characterised in that also including server, the clothes Business device is connected with the controller telecommunication.
- 10. according to the board level testing system described in any one of claim 9, it is characterised in that also include：Processor, the place Reason device is connected between the server and the controlling switch, for controlling the control according to the control signal of the server Make the working condition of switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720515605.3U CN206848419U (en) | 2017-05-10 | 2017-05-10 | Board level testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720515605.3U CN206848419U (en) | 2017-05-10 | 2017-05-10 | Board level testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206848419U true CN206848419U (en) | 2018-01-05 |
Family
ID=60795335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720515605.3U Active CN206848419U (en) | 2017-05-10 | 2017-05-10 | Board level testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206848419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024652A (en) * | 2017-05-10 | 2017-08-08 | 中车大连电力牵引研发中心有限公司 | Board level testing system |
-
2017
- 2017-05-10 CN CN201720515605.3U patent/CN206848419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024652A (en) * | 2017-05-10 | 2017-08-08 | 中车大连电力牵引研发中心有限公司 | Board level testing system |
| WO2018205500A1 (en) * | 2017-05-10 | 2018-11-15 | 中车大连电力牵引研发中心有限公司 | Board-level test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107024652A (en) | Board level testing system | |
| CN104297631B (en) | Failure diagnosis apparatus and diagnosis and repair method thereof for ring main unit distribution terminal | |
| CN109032110B (en) | Automatic test platform for electric automobile controller | |
| CN105652852B (en) | A kind of Inspection and monitoring system of high voltage transducer power unit and its mainboard | |
| CN109379152B (en) | Power consumption information acquisition and equipment diagnosis evaluation simulation device and implementation method | |
| CN105403843B (en) | A kind of satellite power supply semi-physical system | |
| CN107515370A (en) | A kind of PCBA detection means and detection method | |
| CN207663012U (en) | A kind of circuit board testing device | |
| CN109976277B (en) | Dynamic reconfigurable universal ground measurement and control equipment based on communication protocol and signal input and output control method thereof | |
| CN206194228U (en) | Electric energy measurement analogue means | |
| CN105022000A (en) | Power supply circuit board automatic testing device | |
| CN107271899A (en) | A kind of method of testing of many specification voltage generating sets | |
| CN204965174U (en) | Power hardware is at ring test system | |
| CN206848419U (en) | Board level testing system | |
| CN104062604B (en) | Automatic testing system (ATS) | |
| CN115236436A (en) | Detection method, device and system for opening and closing drawer and storage medium | |
| CN104849591A (en) | Power distribution automation integrated test detection device | |
| CN104569697B (en) | A kind of power supply interface detection method for moonlet integration test | |
| CN211697979U (en) | Test apparatus and test system | |
| CN209372983U (en) | Microcontroller pin automatically testing parameters platform | |
| CN209525427U (en) | Relay test platform composite control apparatus | |
| CN107688161A (en) | The calibration of BMS a kind of and method of testing | |
| CN207232753U (en) | A kind of avionics ventilation automatic test system of computer | |
| CN106772202A (en) | A kind of electric energy meter RS485 communication interface all-round property testing modules and method | |
| CN206147025U (en) | Unbalanced three phase treatment system's testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |