CN203657935U - A water temperature sensor function test device - Google Patents
A water temperature sensor function test device Download PDFInfo
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- CN203657935U CN203657935U CN201320861558.XU CN201320861558U CN203657935U CN 203657935 U CN203657935 U CN 203657935U CN 201320861558 U CN201320861558 U CN 201320861558U CN 203657935 U CN203657935 U CN 203657935U
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 29
- 239000000523 sample Substances 0.000 claims description 15
- 238000011990 functional testing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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Abstract
The utility model relates to a water temperature sensor function test device comprising a computer unit, a test control unit and a test station unit. The test control unit is mainly composed of an MCU1 main control board, an LED lamp and a relay board. The test station unit comprises four test tool devices. Each test tool device comprises two portions which are an upper tool and a lower tool. Fifteen sample pieces are clamped by each lower tool at one time for testing. The test tool devices are used in a cooperative mode with a work bench and a high temperature circulating water bath box. A whole machine of the workbench is provided with a power switch and an emergency stop switch. The number of the test stations is four. Each station is provided with a starting switch. Each station is provided with three wires connected with a tool identification proximity switch. The high temperature circulating water bath box is provided with a temperature adjustable water-bath box and two constant temperature water-bath boxes. The water temperature sensor function test device is advantageous in that the automation degree is raised; the test efficiency is high; the test time is short; requirements for batch production can be satisfied; the test precision is high; the product qualified rate is high; measurement errors are small; the universality is strong; and cost losses are small.
Description
Technical field
The utility model relates to automotive test equipment, and particularly a kind of cooling-water temperature sensor functional test equipment, for the vehicle water temp sensor multistation functional test under the condition of high temperature.
Background technology
Along with the use of cooling-water temperature sensor in automobile industry is more and more general, just seem particularly important for cooling-water temperature sensor Performance Detection.
At present, cooling-water temperature sensor functional test equipment on market is also in the starting stage, and existing equipment adopts traditional heat-sensitive type temperature sensor mostly, with resistance-temperature curve measuring method, heat-sensitive type temperature sensor functionality is tested, prior art automaticity is low, and work efficiency is poor.There is following problem in existing cooling-water temperature sensor test macro:
1. automaticity is low, and testing efficiency is poor.The testing apparatus of manualization causes the test duration of single sample long, cannot meet the requirement of present batch production.
2. measuring accuracy is low, and product percent of pass is poor.Cannot get rid of artificial influence factors take manual measurement as main system model, cause measuring error large.
3. non-versatility, cost loss is large.Existing temperature sensor testing apparatus can not adapt to the temperature sensor of different model, increases overlapping development work.
Therefore, being badly in need of a kind of novel cooling-water temperature sensor functional test equipment of design comes test macro to upgrade.
Summary of the invention
The purpose of this utility model is exactly for overcoming the deficiencies in the prior art, a kind of technical scheme of cooling-water temperature sensor functional test equipment is provided, according to the principle of work of cooling-water temperature sensor (for detection of the temperature of engine coolant, inside there is negative thermistor element, change resistance along with the change of temperature), imitate the working environment of product, cooling-water temperature sensor is immersed in water bath, its inner resistance is changed along with the change of temperature, again by the insulation resistance of testing of equipment product, judge that whether product is qualified thereby whether thermistor and meter resistance value be qualified.According to the concrete production run of cooling-water temperature sensor, for the multiparameter of different model sensor, the feature of measuring in enormous quantities, and to highly reliable, high-performance, high efficiency requirement, build a kind of cooling-water temperature sensor special for automatic test platform simultaneously.Take computer technology, automatic technology and measuring technology as basis, adopt the communication protocols such as modular organization and PCI, RS-232 bus, according to test philosophy, the system with high level of development, robotization and practicality of developing.
The utility model is to realize by such technical scheme: cooling-water temperature sensor functional test equipment, comprise computer unit, unit of testing and controlling and test station unit, and it is characterized in that:
Computer unit comprises and grinds magnificent industrial computer, PCI-1612CU address card and NI multimeter card;
Unit of testing and controlling is mainly made up of MCU1 master control borad, LED lamp, relay board, MCU1 master control borad connects code translator by IO port, by 15 LED lamps of code translator control, connect 4 starting switches on station by 4 IO ports as external interrupt switch interface, connect approach switch by 12 IO ports as identification frock interface, by 44 relay boards that IO port controlling is corresponding, for switching 4 relay board power supplys;
Each relay board comprises 15 relays, forms 4 matrix gating modules, and by 60 relay coils of 4 matrix gating modules of code translator control, 60 relays are for controlling the DATA REASONING of associated workpiece on each station;
Unit of testing and controlling is communicated by letter with industrial computer by 1 RS232 interface
Unit of testing and controlling is counted IO identification external interrupt by collecting receptacle;
Test station unit comprises 4 industrial installation device for testing, and each industrial installation device for testing comprises upper and lower frock two parts; Upper frock is rectangle case lid shape, comprises and knows wrong plate, and the lower plane of knowing wrong plate is 15 die cavity A that interval is recessed, comprises and three probes of a cooling-water temperature sensor terminal position to be measured in die cavity, forms 5 × 3 matrixes; All probe is fixed by upper frock inner structure plate;
All the upper end of probe is connected with cable respectively, and the cable other end is connected with relay board by splicing ear;
Lower frock is rectangular box shape, station clamping plate are provided with the recessed die cavity B in individual interval with cooling-water temperature sensor form fit to be measured, form 5 × 3 matrixes, 15 recessed die cavity B in interval are used for placing cooling-water temperature sensor to be measured, and the terminal position of cooling-water temperature sensor to be measured is corresponding with probe location corresponding in upper frock; Lower frock once clamps 15 exemplars for test;
Industrial installation device for testing cooperating platform and high temperature circulation water bath use, and worktable complete machine has each one of power switch and emergency stop switch, and have four surveys and establish station, the each starting switch of each station, each station has 3 lines to connect frock identification approach switch; High temperature circulation water-bath fuel tank has the temperature adjustable water bath cabinet of PolyScience 9700 series and the constant water bath box of two PolyScience 8100 series.
The beneficial effects of the utility model are: apply by cooling-water temperature sensor functional test equipment, improve automaticity, testing efficiency is high, test duration is short, can meet the requirement of batch production, measuring accuracy is high, product percent of pass is high, measuring error is little, highly versatile, cost loss is little, has all technical, self-timing measurement, automatic qualified index judgement, record test data and the curve, the printing test report capability that automatically detect in real time cooling-water temperature sensor sample, works alone, has electricity available.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention;
Fig. 2 is upper frock stereographic map of the present invention;
Fig. 3 is die cavity A stereographic map in Fig. 2;
Fig. 4 is upper frock cut-open view of the present invention;
Fig. 5 is lower frock vertical view of the present invention;
Fig. 6 is lower frock cut-open view of the present invention;
Fig. 7 is complete machine elementary diagram of the present invention.
In figure: 1. go up frock, 11. die cavity A, 12. probes, 13. know wrong plate, 14. 50pin plugs, 16. structural slabs
2. descend frock, 21. times frock handles, 22. recessed die cavity B, 23. frock recognition devices, 24. station clamping plate, 25. workpieces for measurement.
Embodiment
Understand the utility model for clearer, describe in conjunction with the accompanying drawings and embodiments the utility model in detail:
As shown in Figures 1 to 4, cooling-water temperature sensor functional test equipment, comprises computer unit, unit of testing and controlling and test station unit, and computer unit comprises and grinds magnificent industrial computer, PCI-1612CU address card and NI multimeter card;
Unit of testing and controlling is mainly made up of MCU1 master control borad, LED lamp, relay board, MCU1 master control borad connects code translator by IO port, by 15 LED lamps of code translator control, connect 4 starting switches on station by 4 IO ports as external interrupt switch interface, connect approach switch by 12 IO ports as identification frock interface, by 44 relay boards that IO port controlling is corresponding, for switching 4 relay board power supplys;
Each relay board comprises 15 relays, forms 4 matrix gating modules, and by 60 relay coils of 4 matrix gating modules of code translator control, 60 relays are for controlling the DATA REASONING of associated workpiece on each station;
Unit of testing and controlling is communicated by letter with industrial computer by 1 RS232 interface
Unit of testing and controlling is counted IO identification external interrupt by collecting receptacle;
Test station unit comprises 4 industrial installation device for testing, and each industrial installation device for testing comprises upper and lower frock two parts; Upper frock 1 is rectangle case lid shape, comprises and knows wrong plate 13, and the lower plane of knowing wrong plate 13 is 15 die cavity A11 that interval is recessed, comprises and three probes 12 of a cooling-water temperature sensor terminal position to be measured in die cavity 11, forms 5 × 3 matrixes; All probe 12 is fixing by upper frock 1 inner structure plate 16;
All the upper end of probe 12 is connected with cable respectively, and the cable other end is connected with relay board by splicing ear;
Lower frock 2 is rectangular box shape, station clamping plate 24 are provided with the recessed die cavity B22 in 15 intervals with cooling-water temperature sensor form fit to be measured, form 5 × 3 matrixes, 15 recessed die cavity B22 in interval are used for placing cooling-water temperature sensor to be measured, and the terminal position of cooling-water temperature sensor to be measured is corresponding with probe 12 positions corresponding in upper frock 1; Lower frock 2 once clamps 15 exemplars for test;
Industrial installation device for testing cooperating platform and high temperature circulation water bath use, and worktable complete machine has each one of power switch and emergency stop switch, and have four surveys and establish station, the each starting switch of each station, each station has 3 lines to connect frock identification approach switch; High temperature circulation water-bath fuel tank has the temperature adjustable water bath cabinet of PolyScience 9700 series and the constant water bath box of two PolyScience 8100 series.
Frock recognition device 23 is magnet, and approach switch on worktable is used in conjunction with, and detects lower frock relevant position, is detected and is had non-magnet, then judge corresponding frock number by corresponding logic coding principle by approach switch.
According to the above description, can realize scheme of the present utility model in conjunction with art technology.
Claims (1)
1. a cooling-water temperature sensor functional test equipment, comprises computer unit, unit of testing and controlling and test station unit, it is characterized in that: computer unit comprises and grinds magnificent industrial computer, PCI-1612CU address card and NI multimeter card;
Unit of testing and controlling is mainly made up of MCU1 master control borad, LED lamp, relay board, MCU1 master control borad connects code translator by IO port, by 15 LED lamps of code translator control, connect 4 starting switches on station by 4 IO ports as external interrupt switch interface, connect approach switch by 12 IO ports as identification frock interface, by 44 relay boards that IO port controlling is corresponding, for switching 4 relay board power supplys;
Each relay board comprises 15 relays, forms 4 matrix gating modules, and by 60 relay coils of 4 matrix gating modules of code translator control, 60 relays are for controlling the DATA REASONING of associated workpiece on each station;
Unit of testing and controlling is communicated by letter with industrial computer by 1 RS232 interface
Unit of testing and controlling is counted IO identification external interrupt by collecting receptacle;
Test station unit comprises 4 industrial installation device for testing, and each industrial installation device for testing comprises upper and lower frock two parts; Upper frock (1) is rectangle case lid shape, comprise and know wrong plate (13), the lower plane of knowing wrong plate (13) is 15 die cavity A(11 that interval is recessed), in die cavity (11), comprise and three probes (12) of a cooling-water temperature sensor terminal position to be measured, form 5 × 3 matrixes; All probe (12) is fixing by upper frock (1) inner structure plate (16);
All the upper end of probe (12) is connected with cable respectively, and the cable other end is connected with relay board by splicing ear;
Lower frock (2) is rectangular box shape, station clamping plate (24) are provided with the recessed die cavity B(22 in 15 intervals with cooling-water temperature sensor form fit to be measured), form 5 × 3 matrixes, 15 recessed die cavity B(22 in interval) for placing cooling-water temperature sensor to be measured, the terminal position of cooling-water temperature sensor to be measured is corresponding with upper corresponding probe (12) position of upper frock (1); Lower frock (2) once clamps 15 exemplars for test;
Industrial installation device for testing cooperating platform and high temperature circulation water bath use, and worktable complete machine has each one of power switch and emergency stop switch, and have four surveys and establish station, the each starting switch of each station, each station has 3 lines to connect frock identification approach switch; High temperature circulation water-bath fuel tank has the temperature adjustable water bath cabinet of PolyScience 9700 series and the constant water bath box of two PolyScience 8100 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861558.XU CN203657935U (en) | 2013-12-24 | 2013-12-24 | A water temperature sensor function test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861558.XU CN203657935U (en) | 2013-12-24 | 2013-12-24 | A water temperature sensor function test device |
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| Publication Number | Publication Date |
|---|---|
| CN203657935U true CN203657935U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320861558.XU Expired - Lifetime CN203657935U (en) | 2013-12-24 | 2013-12-24 | A water temperature sensor function test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698055A (en) * | 2013-12-24 | 2014-04-02 | 天津市中环电子计算机有限公司 | Functional test equipment for water temperature sensor |
| CN110207855A (en) * | 2019-06-28 | 2019-09-06 | 上海工程技术大学 | A kind of mounting device for the detection of temperature sensor for vehicle comprehensive performance |
-
2013
- 2013-12-24 CN CN201320861558.XU patent/CN203657935U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698055A (en) * | 2013-12-24 | 2014-04-02 | 天津市中环电子计算机有限公司 | Functional test equipment for water temperature sensor |
| CN110207855A (en) * | 2019-06-28 | 2019-09-06 | 上海工程技术大学 | A kind of mounting device for the detection of temperature sensor for vehicle comprehensive performance |
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