CN201561790U - Sensor aging device - Google Patents
Sensor aging device Download PDFInfo
- Publication number
- CN201561790U CN201561790U CN2009202462601U CN200920246260U CN201561790U CN 201561790 U CN201561790 U CN 201561790U CN 2009202462601 U CN2009202462601 U CN 2009202462601U CN 200920246260 U CN200920246260 U CN 200920246260U CN 201561790 U CN201561790 U CN 201561790U
- Authority
- CN
- China
- Prior art keywords
- sensor
- aging
- unit
- circuitry
- casing
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a sensor aging device which comprises a box body, an aging circuit unit arranged on the upper surface of the box body and connected with a sensor to be aged, and a circuitry unit arranged in the box body and connected with the aging circuit unit, wherein the circuitry unit is connected with a power supply. The sensor aging device can conduct baking machine aging in real operating environment, provide more accurate sensor screening, reduce the failure rate of the sensor, and improve the production efficiency.
Description
Technical field
The utility model relates to the thermal mass flow controller, relates in particular to a kind of sensor aging equipment of thermal mass flow controller sensor.
Background technology
Sensor is the core component of thermal mass flow controller, its effect is the gas heating of will flow through, and the gas flow signal is converted into electric signal, mass flow controller compares this electric signal and setting signal, utilize control circuit that solenoid valve is carried out closed-loop control, thereby realize control gas mass flow.Therefore the sensor steady operation is the prerequisite of mass flow controller operate as normal; usually can under the environment for use of simulation, carry out burn-in screen to sensor; thereby for mass flow controller provides the sensor of stable performance through screening, to reduce sensor failure in service rate.In the prior art, use steady current that sensor is worn out, this ageing process is the changeable true environment for use of Simulation of Complex fully, the fault of certain probability in use still can occur through the qualified sensor of screening.
The utility model content
The purpose of this utility model provides a kind of sensor aging equipment, and this device roasting machine that can wear out under real environment for use provides more accurate sensor screening, reduces the sensor fault rate, enhances productivity, and overcomes the defective of prior art existence.
For achieving the above object, the utility model adopts following technical scheme.
A kind of sensor aging equipment that the utility model provides, this device comprises: casing, be arranged at the aging circuit unit that the casing upper surface links to each other with sensor to be aging, be arranged at the circuitry unit that links to each other with described aging circuit unit in the casing, described circuitry unit links to each other with power supply.
Wherein, described circuitry unit links to each other with upper PC.
Wherein, described circuitry unit is connected by the RS485 interface with described upper PC.
Wherein, this device also comprises the sensor supporting plate of casing upper surface.
Wherein, described circuitry unit comprises: be arranged at the interior base plate of casing, be arranged at the circuit board support on the described base plate, and be arranged on the circuitry board component on the described circuit board support
Wherein, be connected with the AD/DC converting unit between described circuitry unit and the described power supply.
Wherein, this device comprises 15 aging circuit unit and corresponding 15 circuitry unit that connect altogether.
Wherein, this device also comprises the toggle switch that is arranged between described power supply and the circuitry unit.
Wherein, this device also comprises light emitting diode, connects with described toggle switch.
Wherein, this device also comprises and is arranged at described casing upper surface, the station address label of corresponding each aging circuit unit.
The sensor aging equipment of the present utility model roasting machine that can wear out under real environment for use provides more accurate sensor screening in conjunction with software, and minimizing sensor fault rate is enhanced productivity.
Description of drawings
Fig. 1 is the sensor aging equipment vertical view according to a kind of embodiment of the utility model;
Fig. 2 is the sensor aging equipment right view according to a kind of embodiment of the utility model;
Fig. 3 is the sensor aging equipment cut-open view according to a kind of embodiment of the utility model.
Embodiment
The sensor aging equipment that the utility model proposes is described in detail as follows in conjunction with the accompanying drawings and embodiments.
As Figure 1-3, the sensor aging equipment of present embodiment comprises: casing 1, the aging circuit unit 2 that be arranged at casing 1 upper surface, links to each other with sensor 7 to be aging, be arranged at the circuitry unit 3 of casing 1, circuitry unit 3 links to each other with power supply by AD/DC power module 10, offers voltage under sensor 7 actual conditions to be aging by coupled aging circuit unit 2.Circuitry unit 3 comprises: the base plate 4 in the casing 1, be arranged at the circuit board support 5 on the base plate 4 and be arranged on the circuit board support 5 the circuitry board component that the circuit board assemblies by mass flow controller serves as and form, behind the power connection, by 3 power supplies of circuitry unit, it is aging that sensor 7 to be aging is switched on, in full accord with the sensor actual condition.The cable link of sensor 7 to be aging is convenient to weld in aging circuit unit 2, sensor 7 to be aging is positioned on the sensor supporting plate 6 of casing 1 upper surface, circuitry unit 3 also links to each other with upper PC, in ageing process, cooperate the software of upper PC that thoroughly evaluating is carried out in the performance of sensor 7 to be aging, filter out qualified sensor.Circuitry unit 3 links to each other by the RS485 interface with upper PC.
In addition, in the device of the present utility model, described aging circuit unit 2 respectively is several with described circuitry unit 3 and connects one to one, aging circuit unit 2 respectively is 15 with the number of circuitry unit 3, correspondingly can carry out burn-in screen to 15 sensors 7 to be aging simultaneously, corresponding each the aging circuit unit 2 of casing 1 upper surface also is provided with station address label 11, also corresponding between each circuitry unit 3 and the power supply toggle switch 8 is set, whether control corresponding sensor to be aging participates in wearing out, each toggle switch 8 also and a light emitting diode 9 place between circuitry unit 3 and the power supply, show the duty in this loop.
Use the utility model as follows to the course of work that sensor wears out:
15 sensors to be aging are placed its station, and its cable is welded on the circuit board of aging circuit unit of this aging equipment; RS485 interface communication line is connected the serial communication end of upper PC, and attaching plug connects; The toggle switch of each station is opened, circuitry unit and upper PC communication are connected after, aging certain hour utilizes the software of upper PC that each duty of sensor is carried out comprehensive distinguishing, filters out the sensor of function admirable.
Above embodiment only is used to illustrate the utility model; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1. sensor aging equipment, it is characterized in that this device comprises: casing is arranged at the aging circuit unit that the casing upper surface links to each other with sensor to be aging, be arranged at the circuitry unit that links to each other with described aging circuit unit in the casing, described circuitry unit links to each other with power supply.
2. sensor aging equipment as claimed in claim 1 is characterized in that, described circuitry unit links to each other with upper PC.
3. sensor aging equipment as claimed in claim 2 is characterized in that, described circuitry unit is connected by the RS485 interface with described upper PC.
4. sensor aging equipment as claimed in claim 1 is characterized in that, this device also comprises the sensor supporting plate that is arranged at the casing upper surface.
5. sensor aging equipment as claimed in claim 1, it is characterized in that, described circuitry unit comprises: be arranged at the interior base plate of casing, be arranged at the circuit board support on the described base plate, and be arranged on the circuitry board component on the described circuit board support.
6. sensor aging equipment as claimed in claim 1 is characterized in that, is connected with the AD/DC converting unit between described circuitry unit and the described power supply.
7. as each described sensor aging equipment of claim 1-6, it is characterized in that this device comprises 15 aging circuit unit and corresponding 15 circuitry unit that connect altogether.
8. sensor aging equipment as claimed in claim 7 is characterized in that, this device also comprises the toggle switch that is arranged between described power supply and the circuitry unit.
9. sensor aging equipment as claimed in claim 8 is characterized in that this device also comprises light emitting diode, connects with described toggle switch.
10. sensor aging equipment as claimed in claim 7 is characterized in that, this device also comprises and is arranged at described casing upper surface, the station address label of corresponding each aging circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202462601U CN201561790U (en) | 2009-10-15 | 2009-10-15 | Sensor aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202462601U CN201561790U (en) | 2009-10-15 | 2009-10-15 | Sensor aging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561790U true CN201561790U (en) | 2010-08-25 |
Family
ID=42626937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202462601U Expired - Lifetime CN201561790U (en) | 2009-10-15 | 2009-10-15 | Sensor aging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109510A (en) * | 2021-03-25 | 2021-07-13 | 山东瑶安电子科技发展有限公司 | Calibration device for gas sensor |
-
2009
- 2009-10-15 CN CN2009202462601U patent/CN201561790U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109510A (en) * | 2021-03-25 | 2021-07-13 | 山东瑶安电子科技发展有限公司 | Calibration device for gas sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201561790U (en) | Sensor aging device | |
| CN203025324U (en) | Service life tester of temperature-controlled switch | |
| CN203909206U (en) | Wire harness on-off detection device | |
| CN203054202U (en) | Polymer lithium battery grouping voltage difference test device | |
| CN202171640U (en) | Intelligent circuit board module group detection apparatus | |
| CN219162255U (en) | Jig for detecting adapter function module | |
| CN202433462U (en) | Jig with aging and testing functions | |
| CN212626683U (en) | Visual type equipment of heating state | |
| CN204903719U (en) | Testing arrangement of LED liquid crystal TV button | |
| CN211741430U (en) | BMS product aging testing device | |
| CN201725017U (en) | Quick detecting instrument for mold plate detecting switches | |
| CN202075428U (en) | Detection device for feeding inductor in large-scale automatic high speed stamping production line | |
| CN201733502U (en) | Road lamp power supplying device | |
| CN203414536U (en) | Energy-efficient aging testboard | |
| CN210670658U (en) | LED landscape lamp system | |
| CN217086636U (en) | Hand-held controller for fuel cell | |
| CN218849469U (en) | Semiconductor heat dissipation packaging structure | |
| CN207263856U (en) | A kind of full automatic vehicle meter life test device | |
| CN211013541U (en) | Boiler and fan demonstration cabinet | |
| CN219123986U (en) | Wireless charging device of deep sea beacon lamp | |
| CN214118331U (en) | Three-prevention control box of generator | |
| CN201651998U (en) | Novel digital street lamp | |
| CN209911500U (en) | Protection device test fixture | |
| CN209608344U (en) | A kind of pressure regulator with temp regulating function | |
| CN202561545U (en) | Light-emitting diode (LED) light bar with power converter |
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 device Granted publication date: 20100825 License type: Exclusive License Record date: 20110711 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
|
| CX01 | Expiry of patent term |