CN110161901A - Test method, equipment and its computer readable storage medium of integrated control system for fire trucks - Google Patents
Test method, equipment and its computer readable storage medium of integrated control system for fire trucks Download PDFInfo
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- CN110161901A CN110161901A CN201910354600.0A CN201910354600A CN110161901A CN 110161901 A CN110161901 A CN 110161901A CN 201910354600 A CN201910354600 A CN 201910354600A CN 110161901 A CN110161901 A CN 110161901A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The present invention relates to a kind of methods based on computer implemented test integrated control system for fire trucks, method includes: the logic circuit according to different measurands, testing scheme is respectively set, testing scheme based on tester's selection, determine corresponding input and output strategy, according to the input and output strategy, into tested integrated control system for fire trucks, the specific node of measurand exports on-off model, then the node state signal that remaining node returns in measurand is received, accordingly the logic testing result of signal analysis measurand.Method realizes the test that fire fighting truck integrated control case and harness is rapidly completed, location of mistake, the test of rear process vehicle is moved forward to prepackage or supplied materials to detect in advance, so that can quickly rectification be handled under line, testing efficiency is substantially improved, shorten vehicle output and delivery cycle, and tester does not need skills and experience abundant.
Description
Technical field
The present invention relates to fire fighting truck control field more particularly to a kind of method for testing integrated control system for fire trucks, set
Standby and its computer readable storage medium.
Background technique
The core of integrated control system for fire trucks is control cabinet, a variety of electrical members that control cabinet passes through harness connection periphery
Part.
With the development of technology and fire-fighting demand, the peripheral electrical element and signal line of integrated control system for fire trucks are got over
Come it is more so that the logical operation more sophisticated of control cabinet, the connection wiring harness of control cabinet are also more and more.
Existing wire harness conducting test equipment is by connection wiring harness, to one end transmission level of harness, from the another of harness
End receives level, carries out simple test to harness conducting situation with this, but existing wire harness conducting test equipment does not have and is directed to
Control cabinet carries out the function of whole Black-box Testing.So that vehicle test environment need to be relied on to the functional test of control cabinet at present, and
In vehicle debugging, all electrical components have been installed, and control route highlights correlations, therefore search and determine when tester's test
Position problem, dismounting electricity piece, rectification system become extremely difficult, cause the testing efficiency to integrated control system for fire trucks low
Under, and the skills and experience of tester is required very high.It is more prominent especially in mass production, seriously affect vehicle
Batch output and delivery.
Summary of the invention
The purpose of the present invention is promote the testing efficiency to integrated control system for fire trucks, shorten vehicle output and deliver week
Phase.
For this purpose, providing a kind of method for testing integrated control system for fire trucks, comprising:
According to the logic circuit of different measurands, testing scheme is respectively set；
Based on the testing scheme of tester's selection, corresponding input and output strategy is determined；
According to the input and output strategy, the specific node output of measurand into tested integrated control system for fire trucks
On-off model；
The node state signal that remaining node returns in measurand is received, the logic of signal analysis measurand is surveyed accordingly
Test result.
Further, correct node state letter preset in the node state signal and testing scheme of the return is compared
Number, the analysis behavior is executed according to comparing result.
Further, the on-off model exported to the specific node is cut off, is become according to the node state of remaining node
Change, verifies the logic testing result.
As a kind of embodiment, the measurand therein is specifically to control in tested integrated control system for fire trucks
The logic circuit of case, the input and output strategy are configured according to the logical operation rule of control cabinet.
Further, all nodes all over logic circuit in control cabinet are gone through, according to the mistake gone through in result output control cabinet
Accidentally nodal information.
As another embodiment, the measurand therein is specifically in tested integrated control system for fire trucks
Harness formulates the input and output strategy based on the connection structure of harness.
A kind of computer readable storage medium is also provided, computer program is stored with, it is characterized in that the computer journey
Above-mentioned method is realized when sequence is executed by processor.
A kind of equipment for testing integrated control system for fire trucks, including processing module are also provided, it is characterized in that on further including
The computer readable storage medium stated, the computer program in computer readable storage medium are executed by the processing module.
Further, equipment further includes the On-off signal output module communicated with the processing module, On-off signal
Output module is equipped with multiple channels to execute the input of signal and output behavior.
Further, equipment further includes touch screen, and the processing module carries out human-computer interaction and letter using the touch screen
Breath display.
Testing scheme is respectively set according to the logic circuit of different measurands in the present invention, based on tester's selection
Testing scheme determines corresponding input and output strategy, according to the input and output strategy, to tested integrated control system for fire trucks
The specific node of middle measurand exports on-off model, then receives the node state letter that remaining node returns in measurand
Number, fire fighting truck integrated control case and harness is rapidly completed as a result, realizing with this in the logic testing of signal analysis measurand accordingly
Test, location of mistake, the test of rear process vehicle is moved forward to prepackage or supplied materials and detected in advance, so that can quickly be rectified and improved under line
Testing efficiency is substantially improved in processing, shortens vehicle output and delivery cycle, and tester does not need technical ability abundant and warp
It tests.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the rearview of test equipment of the invention.
Fig. 2 is the left view of test equipment of the invention.
Fig. 3 is the top view of test equipment of the invention.
Fig. 4 is the cross-sectional view of test equipment of the invention.
Fig. 5 shows the system block diagram of test equipment.
Fig. 6 shows connection schematic diagram when test equipment test switch control box.
Fig. 7 shows the program flow diagram tested switch control box.
Fig. 8 shows connection schematic diagram when test equipment test harness.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Fig. 1 to Fig. 3, this test equipment shape is succinct, and the interface in chassis shell body is equipped with input connector 1, output
Connector 2, power output connectors 3 and CAN bus connector 4.
The cabinet inside of the cross-sectional view of test equipment as shown in Figure 4, test equipment is equipped with On-off signal output module
6, buzzer 7, power supply adaptor 8 and processing module not shown in the figure.
This test equipment can carry out the integrity test of switch relay logic to control cabinet, can also lead to harness
Logical, short circuit, open circuit, the analysis of incorrect link.When testing control cabinet, measurand refers to the logic circuit in control cabinet；
When testing harness, measurand refers to the connection line of harness.See Fig. 5, processing module various is set for storing based on PDM
The testing scheme of the control cabinet of meter, harness completes the testing process executed in test process and logic；Processing module connects simultaneously
There is a touch screen 5, realizes test human-computer interaction, allow tester to select testing scheme, and provide test for tester
The information such as progress, test prompts, test result.
On-off signal output module 6 has On-off signal and output function, connects processing module by CAN bus,
According to the instruction output reference voltage of processing module to measurand, collects the voltage signal that measurand returns and give processing mould
Block.
Buzzer 7 connects with processing module, for providing sound feedback and alarm to tester during the test.
Power supply adaptor 8 takes electricity to provide the DC24V power supply of adaptation for entire test equipment from the external world.
Input connector 1 and out connector 2 carry out tested pair for subtest equipment as the port of connection is provided
As quickly connecting, reference voltage is obtained from On-off signal output module 6 to measurand and receives measurand return
Signal to On-off signal output module 6.
Power output connectors 3 take electricity from power supply adaptor 8, for giving tested control cabinet in control cabinet Black-box Testing
Power supply is provided.
CAN bus connector 4 is connect with processing module by CAN bus, and CAN bus connector 4 belongs to spare outer stay
Interface when needing to communicate measurand with processing module, can employ the connector and carry out CAN communication.
See Fig. 6, test equipment is also configured with connection fixture, and connection fixture is used to connect the test equipment and control cabinet,
The reference voltage that test equipment exports is introduced into the specific node of control cabinet through input connector 1 and out connector 2, so
The signal that other nodes in control cabinet return is led back into test equipment through input connector 1 and out connector 2 afterwards, makes to test
Equipment and control cabinet form a series of complete test loops.
See Fig. 8, connection fixture can also be used to connecting the test equipment and harness, when connection wiring harness role with
Role is consistent when connecting control cabinet, and details are not described herein again.
The process of test measurand is summarized as follows: measurand being connected in test equipment → led to by connection fixture
Cross touch screen selection testing scheme → processing module automatically begin to execute testing scheme, by CAN bus send control instruction to
On-off signal output module, driving switch amount input/output module output reference voltage, reference voltage via output connections device connect
Connect input node (for control cabinet test, multiple input nodes may be existed simultaneously) → quilt that jig is transmitted to measurand
The status signal for surveying remaining all node in object returns to On-off signal output module → switching value by input connector 1
Each node state → processing module that input/output module reports current collection to arrive by CAN bus to processing module is by return
Preset correct node state signal contrast is analyzed → is exported by comparative analysis and is tested in node state signal and testing scheme
The test result of object → be connected by the test result and measurand of display screen informing tester's measurand, be short
Road, open circuit, the specific node of incorrect link and position → completed by buzzer warning prompt → testing process.
The method specifically tested control cabinet see below description.
In order to realize all fire-fighting vehicle control tests, this test equipment is prefixed 12 kinds of testing schemes.Every kind of test
Scheme cooperates the test of the achievable a kind of control cabinet of matched connection fixture.
Fig. 6 shows connection example when test equipment testing and control case, since the logic circuit of control cabinet is by quantity
Numerous relays carries out the electric logical combination of number and forms, and logic circuit is complex, to simplify the illustration, by logic circuit in Fig. 6
It is simply only indicated with a relay, and principle elaboration is carried out based on this.
The connection example lifted referring to Fig. 6, tester select corresponding connection fixture according to the type of tested control cabinet
After tested control cabinet is connected to test equipment, control cabinet is tested, test method includes successively execution as shown in Figure 7
Following steps:
Step S101, processing module are tested the test side of control cabinet using the correspondence that touch screen obtains tester's selection
Case；
Step S102, according to the testing scheme that tester selects, processing module reads corresponding testing scheme from memory
Input and output strategy, according to input and output strategy generating testing procedure, (the input and output strategy is according to tested control cabinet
Logical operation rule is set, and carries out input and output for chronologically controlling the On-off signal output module)；
Step S103, based on tester input instruction, processing module judge tester whether change testing scheme/
Testing procedure (tester interacts operation on the touchscreen to complete to the change of testing scheme/testing procedure), if
S104 is thened follow the steps, in step S104, testing procedure is reset according to the change of tester, and it is slow to empty test result
It deposits；Then follow the steps S105 if not, in step s105, referring to Fig. 6, processing module by CAN bus send control instruction to
On-off signal output module makes On-off signal output module export 24V reference voltage through OUT_1, OUT_2 pin；
Step S106, reference voltage inject tested control cabinet through connection fixture, control the control by the circuit to be measured 1#
After relay in case is acted, IN_1 pin of the signal to On-off signal output module all the way is fed back；(1# waits for the survey time
Road: the circuit being connected in tested control cabinet with test equipment OUT_1, OUT_2, IN_1, power cathode pin；The circuit to be measured 2#:
The circuit being connected in tested control cabinet with test equipment OUT_3, IN_2 pin)
The status signal in the circuit to be measured 2# feeds back to On-off signal output module, On-off signal through IN_2 pin simultaneously
Current state output signals are reported to processing module by CAN bus by output module；
Step S107, processing module believe correct node state preset in the node state signal and testing scheme of return
Number comparative analysis calculates epicycle testing result, as shown in following table 1, to realize the test to tested control cabinet.
Table 1
In addition, in step s 107, processing module can also cut off the reference voltage on OUT_2 pin to disconnect relay
Normally opened contact, then monitors whether IN_1 pin becomes the state of " feedback 0V ", if then thinking that testing result is correct, otherwise recognizes
It is wrong for testing result, the verifying to testing result is realized with this.
Especially it should be noted that, since the logic circuit of actual control cabinet is complex, the node on logic circuit is
It is very more, therefore node connect that be formed by circuit to be measured be also many with On-off signal output module, therefore actually
Processing module needs successively to be gone through referring to step S106 and S107 all over all circuits to be measured in processing, then obtains by logical process
Be tested out conducting in the final test result of control cabinet and tested control cabinet, short circuit, open circuit, incorrect link specific node and
Position then judges whether there is error node, by the information of error node (as conducting, short circuit, open circuit, mistake connect if having
The specific node and location information connect) it is presented on touch screen, and warning note is carried out by buzzer；Expression is exported if nothing
Errorless information is tested to show to touch screen.
The method specifically tested harness see below description.
Fig. 8 shows connection example when test equipment test harness, since harness has diversified connection structure,
Fig. 8 to simplify the illustration, only shows one of harness, and the harness of remaining type is analogized, do not repeated herein.
The connection example of tested harness out shown in Figure 8, specific structure of the tester according to tested harness, selection
After tested harness is connected to test equipment by corresponding connection fixture, tested harness is tested, test method and testing and control
The method of case is similar, therefore makees to simplify description herein.Specifically, the method tested tested harness includes:
The testing scheme of the corresponding tested harness of selection, processing module are generated according to testing scheme for testing on the touchscreen
The testing procedure of harness conducting situation；
According to testing procedure, processing module sends control instruction to On-off signal output module, warp by CAN bus
OUT_1 pin exports 24V reference voltage；
Reference voltage injects tested harness through connection fixture, behind the circuit to be measured 1#, exports back to On-off signal
IN_1 the and IN_2 pin of module；(circuit to be measured 1#: it is connected in tested harness with test equipment OUT_1, IN_1, IN_2 pin
Circuit；The circuit to be measured 2#: the circuit being connected in tested harness with test equipment OUT_2, IN_3 pin)
The status signal in the circuit to be measured 2# is fed back through IN_3 pin to On-off signal output module, On-off signal simultaneously
Current state output signals are reported to processing module by CAN bus by output module；
Processing module divides correct node state signal contrast preset in the node state signal and testing scheme of return
Analysis, calculates epicycle testing result, as shown in following table 2, realizes the test to tested harness.
Table 2
Test equipment of the invention has friendly man-machine interactive interface, by selecting preset scheme and matched
Connection fixture comes the various fire fighting truck integrated control casees of fast adaptation and harness, tester's simple stream preset by test equipment
Journey and test prompts can be completed rapidly and accurately test verifying, and the fault lines in location control case, harness assembling process
And node, it realizes for test on integrated control system for fire trucks line to be transferred under line and test, significantly reduce difficulty of test, contract
The system debug rectification processing time is reduced, production cost is saved, it is high to improve testing efficiency short batch output delivery cycle.
It should be understood that
Algorithm and display be not inherently related to any certain computer, virtual bench or other equipment provided herein.
Various fexible units can also be used together with teachings based herein.As described above, it constructs required by this kind of device
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize the wearing state of detection electronic equipment according to an embodiment of the present invention
Device in some or all components some or all functions.The present invention is also implemented as executing institute here
Some or all device or device programs of the method for description are (for example, computer program and computer program produce
Product).It is such to realize that program of the invention can store on a computer-readable medium, or can have one or more
The form of signal.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or to appoint
What other forms provides.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Claims (10)
1. the method for testing integrated control system for fire trucks, characterized in that include:
According to the logic circuit of different measurands, testing scheme is respectively set；
Based on the testing scheme of tester's selection, corresponding input and output strategy is determined；
According to the input and output strategy, into tested integrated control system for fire trucks, the specific node of measurand exports switch
Measure signal；
The node state signal that remaining node returns in measurand is received, accordingly the logic testing knot of signal analysis measurand
Fruit.
2. according to the method described in claim 1, it is characterized in that: comparing in the node state signal and testing scheme of the return
Preset correct node state signal executes the analysis behavior according to comparing result.
3. method according to claim 1 or 2, it is characterized in that: the on-off model exported to the specific node is cut off,
Changed according to the node state of remaining node, verifies the logic testing result.
4. according to the method described in claim 1, it is characterized in that: the measurand is specifically tested fire fighting truck integrated control system
The logic circuit of control cabinet in system, the input and output strategy are configured according to the logical operation rule of control cabinet.
5. according to the method described in claim 4, it is characterized in that: go through all nodes of the logic circuit in the control cabinet, according to going through
Error node information in result output control cabinet.
6. according to the method described in claim 1, it is characterized in that: the measurand is specifically tested fire fighting truck integrated control system
Harness in system formulates the input and output strategy based on the connection structure of harness.
7. computer readable storage medium is stored with computer program, it is characterized in that the computer program is held by processor
Such as method according to any one of claims 1 to 6 is realized when row.
8. the equipment for testing integrated control system for fire trucks, including processing module, it is characterized in that further including as claimed in claim 7
Computer readable storage medium, the computer program in computer readable storage medium executed by the processing module.
9. equipment according to claim 8, it is characterized in that: further including that the On-off signal that communicates with the processing module is defeated
Module out, On-off signal output module are equipped with multiple channels to execute the input of signal and output behavior.
10. equipment according to claim 9, it is characterized in that: further including touch screen, the processing module utilizes the touch
Screen carries out human-computer interaction and information is shown.
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