CN201540337U - Sensor aging tester - Google Patents
Sensor aging tester Download PDFInfo
- Publication number
- CN201540337U CN201540337U CN2009202462885U CN200920246288U CN201540337U CN 201540337 U CN201540337 U CN 201540337U CN 2009202462885 U CN2009202462885 U CN 2009202462885U CN 200920246288 U CN200920246288 U CN 200920246288U CN 201540337 U CN201540337 U CN 201540337U
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- Prior art keywords
- sensor
- burn
- test instrument
- tested
- electrically connected
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Abstract
The utility model provides a sensor aging tester, which comprises two or more than two sensor aging test stations which are mutually connected in series. Each sensor aging test station comprises a sensor aging circuit board, a main board and a 15-pin interface board, wherein the sensor aging circuit board is electrically connected with a tested sensor, the main board is electrically connected with the sensor aging circuit board so as to control the sensor aging circuit board to age the tested sensor, and the 15-pin interface board is electrically connected with the main board so as to provide an external interface. The sensor aging tester is capable of realizing fully automatic testing, increasing working efficiency and saving working time. Aged sensors have greatly increased working stability.
Description
Technical field
The utility model relates to a kind of sensor burn-in test instrument.
Background technology
Quality, flow that mass flow controller is used for gas carry out precision control and measurement.Flow sensor is the vitals that constitutes mass flow controller, and existing flow sensor adopts quality, the flow of kapillary temperature difference calorimetry measurement gas.Be specially: sensor is added flow signal that thermal bridge records send into amplifier and amplify, flow detection voltage and setting voltage after the amplification compare, remove the regulating and controlling valve after again will difference signal amplifying, the flow that passage is flow through in closed-loop control makes it and sets flow and equate.
In order to prevent that instrument from drift occurring owing to wear out in use for some time, therefore need before dispatching from the factory, wear out to going out sensor in advance, and will test aging result.Method before is directly aging to the flow controller energising, and digestion time needs 7 days, and efficient is lower.
The utility model content
At defective that exists in the prior art and deficiency, the purpose of this utility model provides a kind of sensor burn-in test instrument, can carry out burin-in process to sensor fast, to raise the efficiency.
For achieving the above object, the utility model proposes a kind of sensor burn-in test instrument, comprising: two or more sensor burn-in test stations, series connection mutually between the described sensor burn-in test station;
Described each sensor burn-in test station comprises:
Sensor aging circuit plate, described sensor aging circuit plate is electrically connected tested sensor;
Mainboard, described mainboard are electrically connected with described sensor aging circuit plate to control described sensor aging circuit plate described tested sensor are worn out;
15 needle interface plates, described 15 needle interface plates are electrically connected so that external interface to be provided with described mainboard.
Wherein, described casing is provided with the sensor supporting plate, and described sensor supporting plate is provided with a depression with ccontaining described tested sensor.
Wherein, described sensor burn-in test instrument also comprises: switch, light emitting diode, described 15 needle interface plates are connected with described switch, light emitting diode by current-limiting resistance, the series connection of parallel-series AC/DC power module.
Wherein, connect mutually by 15 needle interface plates and cable between the aging station of described sensor.
Wherein, the external interface of described 15 needle interface plates is electrically connected an external proving installation so that tested sensor performance is tested.
Wherein, described sensor burn-in test instrument also comprises: casing and be arranged at aluminium block, base plate, support in the described casing; Described base plate is fixed in the casing; Described aluminium block is fixed on the described base plate; Described support is fixed on the described aluminium block.
Technique scheme has following advantage: the sensor burn-in test instrument that the utility model proposes, can realize test fully automatically, and improved work efficiency, saved the working time.And the sensor after overaging, its job stability improves a lot.
Description of drawings
Fig. 1 is the sensor burn-in test instrument structural representation that the utility model proposes;
Fig. 2 is the side view among Fig. 1;
Fig. 3 is the rear view of Fig. 1;
Fig. 4 is the circuit connection module map.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
The sensor burn-in test instrument that the utility model proposes, its preferred embodiment such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4 comprise: casing 1, panel 2, power lead 9, aluminium sheet 18, base plate 17, sensor supporting plate 3, support 20, mainboard 15, power panel 14,15 needle interface plates 12, sensor aging circuit plate 5 are formed.
As shown in Figure 1, on sensor burn-in test instrument, be provided with a plurality of sensor burn-in test stations, and between these sensor burn-in test stations by line 19 (line 19 the is No. 53 lines) conducting of connecting mutually.Can guarantee to make sensor burn-in test station to work simultaneously like this, can simulate actual environment for use and realize that high efficiency sensor is aging at the equal conditions line.
As shown in Figure 4, each sensor burn-in test station comprises:
Sensor aging circuit plate 5, sensor aging circuit plate 5 is electrically connected tested sensor 4; Mainboard 15, described mainboard 15 and described sensor aging circuit plate 5 are electrically connected by flat cable, wear out to control 5 pairs of described tested sensors 4 of described sensor aging circuit plate; 15 needle interface plates 12, described 15 needle interface plates 12 are electrically connected so that external interface to be provided by the plug-in unit port with described mainboard 15.The external interface of described 15 needle interface plates 12 is electrically connected an external proving installation so that tested sensor 4 performances are tested.
As shown in Figure 4,15 needle interface plates 12 also are in series with switch, light emitting diode, AC/DC power module by current-limiting resistance.
As Fig. 2 and shown in Figure 4, the I/O mouth patchcord by 15 needle interface plates 12 between the sensor burn-in test station is connected mutually.And 15 needle interface plates 12 are connected with computer by serial by RS232/485 connection 8 and carry out communication.Wherein computing machine can be tested tested sensor performance as external proving installation, and each duty of sensor is carried out comprehensive distinguishing, selects the sensor of function admirable.
As shown in Figure 4, two wiring+V drawing of 15 needle interface plates 12 and-connect the indication of starting shooting of current-limiting resistance R and light emitting diode 6 between the V.+ V wiring is in series with toggle switch 7, connecting terminal block 16, AC/DC power module 13, and AC/DC power module 13 connects alternating current by power lead 9.
As shown in Figure 4,15 needle interface plates 12 connect mainboard 15, power panel 14 respectively by the grafting port.
As shown in Figure 3, base plate 17 is installed in the casing 1, and aluminium block 18 is installed on the base plate 17, and support 20 is installed on the aluminium block 18.Be provided with panel 2 on casing 1 surface, described panel 2 is provided with sensor supporting plate 3.Sensor supporting plate 3 surfaces have depression with ccontaining tested sensor 4.
As shown in Figure 3, mainboard 15, power panel 14 are arranged in the support 20, and are fixed on the mounting hole of aluminium sheet 18.As shown in Figure 1, sensor supporting plate 3 and sensor aging circuit plate 5 are arranged on the panel 2 of casing 1.
On the panel 2 of casing 1, be pasted with station address label 11, to distinguish different stations.Casing 1 is provided with power lead 9 and connects external power supply.
In when work, parallel conductor layout one end is welded on the sensor circuit board, the other end is welded on the sensor to be aging, sensor is placed on the station of sensor supporting plate correspondence by the sign of station address label, and energising is carried out burn-in test to sensor.
Technical feature characteristics of the present utility model:
1. casing adopts 304 stainless steels, deburring, sharp edge abate.Two sides respectively have the opening of 85mm * 150mm, are beneficial to the heat radiation of components and parts in the casing.
2. panel, base plate, aluminium block, sensor supporting plate are the LY11 aluminum, deburring, and passivation becomes true qualities.
3. the casing front is furnished with light emitting diode and toggle switch; Dispose the sensor supporting plate on the panel, sensor circuit board; Is furnished with aluminium block on the base plate, support.
4. respectively there are 2 mounting holes the aluminium block side, and a side is installed power panel, opposite side sensor installation mainboard.Between power panel and the mainboard by connector to inserting.15 needle interface plates by connector respectively with power panel and mainboard to inserting, realize firm annexation between the circuit board.
5. realize the connected in series of adjacent stations by the patchcord of I/O mouth between the different station 15 needle interface plates, make that 15 stations in every are worked simultaneously at the equal conditions line, can simulate actual environment for use and realize that high efficiency sensor is aging.
6. will wait that the flexible cable of screening sensor is welded on the sensor circuit board of ageing tester shown in Figure 1, amount to 15 stations.
7. the RS232/485 connection among Fig. 1 is connected on the computer by serial communication ends, the attaching plug energized.
8. with the switch opens of each station, treat that circuitry board component and computing machine communication are connected after, aging certain hour utilizes software that each duty of sensor is carried out comprehensive distinguishing afterwards, selects the sensor of function admirable.
9. this quality flow controller proving installation can be realized test fully automatically, has improved work efficiency, has saved the working time.
10. the sensor after wearing out through this quality flow controller proving installation, its job stability improves a lot.
The above only is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. a sensor burn-in test instrument is characterized in that, comprising: two or more sensor burn-in test stations, series connection mutually between the described sensor burn-in test station;
Described each sensor burn-in test station comprises:
Sensor aging circuit plate, described sensor aging circuit plate is electrically connected tested sensor;
Mainboard, described mainboard are electrically connected with described sensor aging circuit plate to control described sensor aging circuit plate described tested sensor are worn out;
15 needle interface plates, described 15 needle interface plates are electrically connected so that external interface to be provided with described mainboard.
2. sensor burn-in test instrument according to claim 1 is characterized in that described casing is provided with the sensor supporting plate, and described sensor supporting plate is provided with a depression with ccontaining described tested sensor.
3. sensor burn-in test instrument according to claim 1, it is characterized in that, described sensor burn-in test instrument also comprises: switch, light emitting diode, described 15 needle interface plates are connected with described switch, light emitting diode by current-limiting resistance, the series connection of parallel-series AC/DC power module.
4. sensor burn-in test instrument according to claim 1 is characterized in that, connects mutually by 15 needle interface plates and cable between the aging station of described sensor.
5. sensor burn-in test instrument according to claim 1 is characterized in that, the external interface of described 15 needle interface plates is electrically connected an external proving installation so that tested sensor performance is tested.
6. sensor burn-in test instrument according to claim 1 is characterized in that, described sensor burn-in test instrument also comprises: casing and be arranged at aluminium block, base plate, support in the described casing; Described base plate is fixed in the casing; Described aluminium block is fixed on the described base plate; Described support is fixed on the described aluminium block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202462885U CN201540337U (en) | 2009-10-19 | 2009-10-19 | Sensor aging tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202462885U CN201540337U (en) | 2009-10-19 | 2009-10-19 | Sensor aging tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540337U true CN201540337U (en) | 2010-08-04 |
Family
ID=42591798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202462885U Expired - Fee Related CN201540337U (en) | 2009-10-19 | 2009-10-19 | Sensor aging tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201540337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254676A (en) * | 2018-03-26 | 2018-07-06 | 苏州联讯仪器有限公司 | A kind of high precision laser chip aging clamp |
| TWI718243B (en) * | 2016-02-03 | 2021-02-11 | 德商羅伯特博斯奇股份有限公司 | Ageing detector for an electrical circuit component, method for monitoring ageing of a circuit component, component and control device |
-
2009
- 2009-10-19 CN CN2009202462885U patent/CN201540337U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI718243B (en) * | 2016-02-03 | 2021-02-11 | 德商羅伯特博斯奇股份有限公司 | Ageing detector for an electrical circuit component, method for monitoring ageing of a circuit component, component and control device |
| CN108254676A (en) * | 2018-03-26 | 2018-07-06 | 苏州联讯仪器有限公司 | A kind of high precision laser chip aging clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing SevenStar Microwave Electronic Technology Co Ltd Assignor: Qixinghuachuang Electronic Co., Ltd., Beijing Contract record no.: 2011110000084 Denomination of utility model: Sensor aging tester Granted publication date: 20100804 License type: Exclusive License Record date: 20110711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20161019 |