CN109613912A - A kind of test stand system for air conditioning for automobiles product - Google Patents
A kind of test stand system for air conditioning for automobiles product Download PDFInfo
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- CN109613912A CN109613912A CN201811571341.9A CN201811571341A CN109613912A CN 109613912 A CN109613912 A CN 109613912A CN 201811571341 A CN201811571341 A CN 201811571341A CN 109613912 A CN109613912 A CN 109613912A
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- Prior art keywords
- signal input
- level power
- test
- resistance
- power end
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Classifications
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
The present invention relates to on-board air conditioner controller test systems technology fields, more particularly to a kind of test stand system for air conditioning for automobiles product, including test harness, high level power end, low level power end, bus signals module, actuator layer and fictitious load layer；The fictitious load layer includes output control module and the input control module that is made of resistance signal input module and level signal input module.Goal of the invention of the invention is to provide a kind of test stand system for air conditioning for automobiles product, expense is reduced the production cost using technical solution test macro provided by the invention, test macro exploitation and period Production Time are shortened, and reduces test macro Change cost when temporarily increasing input/output signal.
Description
Technical field
The present invention relates to on-board air conditioner controller test systems technology fields, more particularly to one kind to be used for air conditioning for automobiles product
Test stand system.
Background technique
On-board air conditioner is made of compressor, condenser, restricting element, evaporator, blower and necessary control unit, is used
In adjusting vehicle interior temperature, humidity, the air-conditioning system of a home from home is provided to occupant.Air-conditioner controller is can to execute control to air-conditioning
The equipment of system.
In the test macro of air-conditioner controller, by building easy test stand system, motor and air blower etc. are executed
Device is loaded using the real vehicle of product, and other input/output signals are by the way of fictitious load.For different test items
The level direction (low and high level) of mesh, input and output is different, when resulting in exploitation verifying, needs to carry out needle to each project
The test stand system of property is built.
Above-mentioned test macro development mode has following problem:
1, exploitation test macro needs all input and output detection signals in large-scale exploitation and composition project every time, and one
Extend fabrication cycle, two increase cost of manufacture.
2, test macro once develops molding, when project carries out increasing signal CR, it is difficult to increase pair in a test system
The detection signal answered.
Summary of the invention
Goal of the invention of the invention is to provide a kind of test stand system for air conditioning for automobiles product, using the present invention
The technical solution test macro of offer reduces the production cost expense, shortens test macro exploitation and period Production Time, and
And reduce test macro Change cost when temporarily increasing input/output signal.
In order to achieve the above object of the invention, the present invention provides a kind of test stand system for air conditioning for automobiles product, packet
Include test harness, high level power end, low level power end, bus signals module, actuator layer and fictitious load layer；The mould
Quasi- load layer includes output control module and the input control that is made of resistance signal input module and level signal input module
Molding block；
The resistance signal input module includes the resistance signal port being connected in series, the first single knife switch and sliding current potential
Device；
The level signal input module includes signal input port, 5PIN relay and two single knife switches；It is described
Low level power end is accessed in nonpolarity coil one end of 5PIN relay, and the other end accesses high level electricity by the second single knife switch
The signal input port is accessed by third single knife switch in source, the common end COM, and NC normal-closed end accesses high level power end,
Low level power end is accessed in the normally open end NO；
The output control module includes that signal output port, two diodes, the 4th single knife switch and single-pole double throw are opened
It closes；The stationary contact of the signal output port, the 4th single knife switch and single-pole double-throw switch (SPDT) is sequentially connected；The high level power supply
End and low level power end pass through two movable contacts that diode accesses the single-pole double-throw switch (SPDT) respectively；
The signal input port, signal output port and bus signals module are respectively connected to the test harness；It is described
Test harness also passes through the resistance signal input module ground connection.
Preferably, in the level signal input module, the signal input port also passes sequentially through the 5th hilted broadsword and opens
It closes, current-limiting resistance and light emitting diode are grounded.
Preferably, in the output control module, limit is accessed between the 4th single knife switch and single-pole double-throw switch (SPDT)
Leakage resistance.
Preferably, in the output control module, the diode is light emitting diode.
Preferably, the bus signals module includes two bus signals ports；Two bus signals ports pass through respectively
The both ends of 6th single knife switch access terminal resistance.
Preferably, the resistance value of the terminal resistance is 120 Ω.
From the foregoing, it will be observed that using the present invention can obtain following the utility model has the advantages that be used cooperatively by relay and single knife switch,
It enables input generate high level or low level, while control is realized by outbound course of the built-in single-pole double-throw switch (SPDT) to low and high level
System, make its export detection process it is entirely so orderly, save test macro cost of manufacture expense, shorten test macro exploitation and
Period Production Time temporarily increases input/output signal for project, reduces test macro Change cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the present invention will be implemented below
Attached drawing needed in the description of example or the prior art is briefly described.It should be evident that the accompanying drawings in the following description
Only a part of the embodiments of the present invention, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the embodiment of the present invention tests step system block diagram；
Fig. 2 is fictitious load of embodiment of the present invention layer system block diagram；
Fig. 3 is that resistance signal of embodiment of the present invention input module connects block diagram；
Fig. 4 is that level signal of embodiment of the present invention input module connects block diagram；
Fig. 5 is that output control module of the embodiment of the present invention connects block diagram；
Fig. 6 is that bus signals of embodiment of the present invention module connects block diagram；
Fig. 7 is signal port of embodiment of the present invention allocation table.
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.Obviously, 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.
In the test process of Vehicle Controller, needs to carry out each project targetedly test stand system and builds,
Exploitation test macro long period is caused, cost of manufacture is high；When project carries out increasing signal CR, it is difficult in a test system
Increase corresponding detection signal.
Referring to Figure 1-2, in order to solve the above-mentioned technical problem, a kind of testboard for air conditioning for automobiles product of the present embodiment
Frame system, including test harness, high level power end 200, low level power end 300, bus signals module 400, actuator layer
100 and fictitious load layer 500.
Wherein actuator layer 100 is to be used as dedicated item layer, high level power end 200, low level power end 300, bus
Signaling module 400 and fictitious load layer 500 are used as Common item layer, and in general layer: fictitious load layer 500 includes output
Control module 510 and the input control module 520 being made of resistance signal input module 540 and level signal input module 530.
Refer to Fig. 3, wherein resistance signal input module 540 includes the resistance signal port 541, first being connected in series
Single knife switch 542 and slide potentiometer 543, the first single knife switch 542 controls resistance signal input, by adjusting slide potentiometer
543 change the resistance value of input resistance, with resistance value needed for matching entries.
Fig. 4 is referred to, level signal input module 530 includes signal input port 531,5PIN relay 532 and two
Single knife switch.Low level power end 300 is accessed in nonpolarity coil one end of 5PIN relay 532, and the other end passes through the second hilted broadsword
Switch 533 accesses high level power end 200, and signal input port 531, NC is accessed by third single knife switch 534 in the common end COM
Normal-closed end accesses high level power end 200, and low level power end 300 is accessed in the normally open end NO.Signal input port 531 also successively leads to
The 5th single knife switch 535, current-limiting resistance 536 and light emitting diode 537 is crossed to be grounded.
Low and high level is inputted and is controlled by 5PIN relay 532 and single knife switch, is in and opens in single knife switch
When state, the normally closed access high level of relay 532 makes input generate high level；When single knife switch in the closure state, after
Electric appliance 532, which is attracted to normally opened foot, accesses low level, and input is made to generate low level.
Fig. 5 is referred to, output control module 510 includes that signal output port 511, two diodes 512, the 4th hilted broadswords are opened
Close 513 and single-pole double-throw switch (SPDT) 514.The stationary contact of signal output port 511, the 4th single knife switch 513 and single-pole double-throw switch (SPDT) 514
Point is sequentially connected；Single-pole double-throw switch (SPDT) is accessed by diode 512 respectively in high level power end 200 and low level power end 300
514 two movable contacts.In output control module 510, accessed between the 4th single knife switch 513 and single-pole double-throw switch (SPDT) 514
Current-limiting resistance 515.Diode 512 is light emitting diode 512.
The control direction of low and high level output is controlled by built-in single-pole double-throw switch (SPDT) 514, the closing direction of switch
It is the control direction of low and high level output, in order to avoid confusion reigned, formation rule drags down electricity under access when dialling on switch
It is flat, so that it is exported high level and effectively detects；When switch drop-down, access pull-up high level makes it export low level and effectively detects.
In above-mentioned test stand system, in order to realize system testing, signal input port 531, signal output port 511
It is respectively connected to the test harness with bus signals module 400, test harness also passes through the ground connection of resistance signal input module 540.
Also, Fig. 6 is referred to, bus signals module 400 includes two bus signals ports 401,402, two bus signals ports
401,402 the both ends that resistance value is 120 Ω terminal resistances 405 are accessed by the 6th single knife switch 403,404 respectively, according to project
In the terminal node situation of vehicle, select whether a mode controlling terminal resistance 405 connects using two the 6th single knife switches 403,404
Enter.
Fig. 7 is referred to, harness adapter 65PIN aviation head fixed allocation signal will be commonly tested, and 65 road Zhe is believed
In number, wherein signal input port is accessed on 5 roads, inputted as low and high level；Signal output port 511 is accessed on 11 roads, as height
Low level output；Resistance signal input module 540 is accessed on 9 roads, inputs as resistance signal；Bus signals module is accessed on 6 roads
400, as bus signals port.
In conclusion technical solution provided in an embodiment of the present invention is used cooperatively by relay and single knife switch, enable defeated
Enter to generate high level or low level, while control is realized by outbound course of the built-in single-pole double-throw switch (SPDT) to low and high level, makes
The detection process that it is exported is entirely so orderly, saves test macro cost of manufacture expense, shortens test macro exploitation and production
Time cycle temporarily increases input/output signal for project, reduces test macro Change cost.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (6)
1. a kind of test stand system for air conditioning for automobiles product, it is characterised in that: including testing harness, high level power supply
End, low level power end, bus signals module, actuator layer and fictitious load layer；The fictitious load layer includes output control
Module and the input control module being made of resistance signal input module and level signal input module；
The resistance signal input module includes resistance signal port, the first single knife switch and the slide potentiometer being connected in series；
The level signal input module includes signal input port, 5PIN relay and two single knife switches；The 5PIN after
Low level power end is accessed in nonpolarity coil one end of electric appliance, and the other end accesses high level power end by the second single knife switch,
The signal input port is accessed by third single knife switch in the common end COM, and NC normal-closed end accesses high level power end, and NO is normally opened
It terminates into low level power end；
The output control module includes signal output port, two diodes, the 4th single knife switch and single-pole double-throw switch (SPDT)；Institute
The stationary contact for stating signal output port, the 4th single knife switch and single-pole double-throw switch (SPDT) is sequentially connected；The high level power end and
Low level power end passes through two movable contacts that diode accesses the single-pole double-throw switch (SPDT) respectively；
The signal input port, signal output port and bus signals module are respectively connected to the test harness；The test
Harness also passes through the resistance signal input module ground connection.
2. test stand system according to claim 1, it is characterised in that: in the level signal input module, institute
It states signal input port and also passes sequentially through the 5th single knife switch, current-limiting resistance and light emitting diode ground connection.
3. test stand system according to claim 2, it is characterised in that: in the output control module, described
Current-limiting resistance is accessed between four single knife switches and single-pole double-throw switch (SPDT).
4. test stand system according to claim 3, it is characterised in that: in the output control module, described two
Pole pipe is light emitting diode.
5. test stand system according to claim 4, it is characterised in that: the bus signals module includes two buses
Signal port；Two bus signals ports pass through the both ends of the 6th single knife switch access terminal resistance respectively.
6. test stand system according to claim 5, it is characterised in that: the resistance value of the terminal resistance is 120 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571341.9A CN109613912A (en) | 2018-12-21 | 2018-12-21 | A kind of test stand system for air conditioning for automobiles product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571341.9A CN109613912A (en) | 2018-12-21 | 2018-12-21 | A kind of test stand system for air conditioning for automobiles product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109613912A true CN109613912A (en) | 2019-04-12 |
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ID=66010135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571341.9A Pending CN109613912A (en) | 2018-12-21 | 2018-12-21 | A kind of test stand system for air conditioning for automobiles product |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201436610U (en) * | 2009-05-15 | 2010-04-07 | 珠海格力电器股份有限公司 | A multifunctional tester for an air condition controller |
| CN105159287A (en) * | 2015-10-12 | 2015-12-16 | 重庆凯瑞电动汽车系统有限公司 | Electric vehicle controller testing device and system, and use method |
| CN205229277U (en) * | 2015-12-25 | 2016-05-11 | 航天信息股份有限公司 | Level detection circuit |
| US20170160317A1 (en) * | 2015-12-08 | 2017-06-08 | Sandisk Technologies Inc. | On-die measurement technique for i/o dc parameters vol and voh |
| CN108845554A (en) * | 2018-04-04 | 2018-11-20 | 北京福田戴姆勒汽车有限公司 | The test macro and method of vehicle body central control unit |
| CN108958222A (en) * | 2018-07-26 | 2018-12-07 | 威马智慧出行科技（上海）有限公司 | A kind of test macro based on electric vehicle controller hardware and emulation electric machine controller |
-
2018
- 2018-12-21 CN CN201811571341.9A patent/CN109613912A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201436610U (en) * | 2009-05-15 | 2010-04-07 | 珠海格力电器股份有限公司 | A multifunctional tester for an air condition controller |
| CN105159287A (en) * | 2015-10-12 | 2015-12-16 | 重庆凯瑞电动汽车系统有限公司 | Electric vehicle controller testing device and system, and use method |
| US20170160317A1 (en) * | 2015-12-08 | 2017-06-08 | Sandisk Technologies Inc. | On-die measurement technique for i/o dc parameters vol and voh |
| CN205229277U (en) * | 2015-12-25 | 2016-05-11 | 航天信息股份有限公司 | Level detection circuit |
| CN108845554A (en) * | 2018-04-04 | 2018-11-20 | 北京福田戴姆勒汽车有限公司 | The test macro and method of vehicle body central control unit |
| CN108958222A (en) * | 2018-07-26 | 2018-12-07 | 威马智慧出行科技（上海）有限公司 | A kind of test macro based on electric vehicle controller hardware and emulation electric machine controller |
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Application publication date: 20190412 |