CN205719400U - Pressure transducer test equipment - Google Patents
Pressure transducer test equipment Download PDFInfo
- Publication number
- CN205719400U CN205719400U CN201620290602.XU CN201620290602U CN205719400U CN 205719400 U CN205719400 U CN 205719400U CN 201620290602 U CN201620290602 U CN 201620290602U CN 205719400 U CN205719400 U CN 205719400U
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- Prior art keywords
- pressure
- test equipment
- pressure sensor
- pressure chamber
- transducer test
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Abstract
The open a kind of pressure transducer test equipment of this utility model, described pressure transducer test equipment includes pressure chamber that pressue device, internal pressure sensor and pressure-display device, described pressue device include that pressure adjustable saves and connects described pressure chamber and arrange with the external interface accessed for testing pressure sensor；Described internal pressure sensor, in order to sense the internal pressure of described pressure chamber；Described pressure-display device includes that the processor being electrically connected with described internal pressure sensor and described processor are electrically connected with and with the interface of the electrical grafting for testing pressure sensor and the display screen that is electrically connected with described processor.The pressure transducer test device structure that this utility model provides is simple, easy to use and with low cost.
Description
Technical field
This utility model relates to stress test technical field, particularly to a kind of pressure transducer test equipment.
Background technology
Pressure transducer is a kind of sensor the most commonly used in industrial practice, and it is widely used in various industry automatic control environment, relates to numerous industries such as water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry.As shown in Figure 4, pressure transducer includes detecting part 41 and cut cable 40, the ultimate principle of pressure transducer is to form rock deformation pressure at the detecting part sheet surface being made up of quasiconductor, thin metal plate is made to produce Piezoelectric Impedance effect by pressure, so that the change of impedance is converted into the signal of telecommunication and exports from cut cable.
User does not generally have the equipment of test the most accurately simple, portable that sensor does quick performance judgment at present, and uses other nonstandard method to frequently can lead to the damage of pressure transducer.The most only sub-fraction company or laboratory has expensive heavy detection equipment, by complicated method of testing, pressure transducer is carried out performance test, although degree of accuracy is high, but with high costs, and convenience is not enough, it is difficult to quickly obtain test result.
Utility model content
Main purpose of the present utility model is to propose a kind of pressure transducer test equipment, it is intended to simplifies the structure of pressure transducer test equipment, improves the convenience that pressure transducer test equipment uses, and reduce the cost of described pressure transducer test equipment.
For achieving the above object, the pressure transducer test equipment that the utility model proposes, comprising:
Pressue device, including the pressure chamber of pressure adjustable joint and connect described pressure chamber and arrange with the external interface accessed for testing pressure sensor；
Internal pressure sensor, in order to sense the internal pressure of described pressure chamber；And,
Pressure-display device, it is electrically connected with including the processor being electrically connected with described internal pressure sensor and described processor and with the interface for the electrical grafting of testing pressure sensor and the display screen that is electrically connected with described processor, after described processor is in order to process the sensing signal of described internal pressure sensor and described testing pressure sensor, corresponding output internal pressure value and external pressure value are to described display screen, and control described display screen and show.
Preferably, described pressue device includes stretching to the piston in described pressure chamber, and described piston is in order to regulate the pressure within described pressure chamber.
Preferably, described piston includes being positioned at described pressure chamber and the plug being slidably matched with described pressure chamber and being connected and extend the push rod of described pressure chamber with described plug, described push rod is provided with external screw thread, and the corresponding described external screw thread of the inwall of described pressure chamber is provided with female thread.
Preferably, described external interface is provided with the sealing coupling connected for testing pressure sensor, and the two ends of described sealing coupling are correspondingly provided with threaded with described external interface and with the outer connection screw thread being connected for described testing pressure sensor threads.
Preferably, described pressue device is additionally provided with the interior connection interface connecting described pressure chamber, and described interior connection interface is provided with the sealing inner joint being connected with described internal pressure sensor.
Preferably, described test equipment also includes power module, and described power module is electrically connected with described internal pressure sensor and described pressure-display device.
Preferably, also include pressue device described in cover cap, described internal pressure sensor and the shell of described pressure-display device, described shell is provided with the display window shown in display screen for described pressure-display device, the mouth of stepping down of corresponding described pressue device, described external interface and described interface.
Preferably, described display window is located at the roof of described shell, described in mouth of stepping down be located on the sidewall of described shell.
Preferably, described shell includes lower cover and the upper cover fastened with described lower cover.
This utility model provides the pressure transducer test equipment of a kind of plain type, and the precision pressure sensor arranged by device interior carrys out the pressure in monitoring device pressure chamber, can be obtained the internal pressure value of pressure chamber by pressure-display device；Testing pressure sensor is accessed same pressure chamber, the external pressure value of pressure chamber can be obtained by processor.Internal pressure value is compared with external pressure value, can learn rapidly that the performance of testing pressure sensor is the best, and integral device simple in construction, improve the convenience that pressure transducer test equipment uses, and reduce the cost of described pressure transducer test equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the structure shown in these accompanying drawings.
The decomposition texture schematic diagram of one embodiment of the pressure transducer test equipment that Fig. 1 provides for this utility model；
Fig. 2 is the schematic perspective view of the part-structure of pressure transducer test equipment in Fig. 1；
Fig. 3 is the pressure chamber structural representation in Fig. 1 in pressure transducer test equipment；
Fig. 4 is when the structural representation of the common sensor to be measured of former.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 1 | Pressue device | 3 | Pressure-display device |
| 10 | Pressure chamber | 31 | Processor |
| 11 | External interface | 32 | Display screen |
| 110 | Sealing coupling | 33 | Interface |
| 12 | Interior connection interface | 4 | Sensor to be measured |
| 120 | Sealing inner joint | 40 | Cut cable |
| 100 | Piston | 41 | Detecting part |
| 101 | Push rod | 5 | Power module |
| 2 | Internal sensor | 6 | Shell |
| 61 | Step down mouth | 62 | Upper cover |
| 63 | Lower cover | 321 | Display window |
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Need explanation, if this utility model embodiment relates to directivity instruction (such as up, down, left, right, before and after ...), then directionality instruction is only used for explanation relative position relation under a certain particular pose (as shown in drawings) between each parts, motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.
Additionally, if this utility model embodiment relates to the description of " first ", " second " etc., the description being then somebody's turn to do " first ", " second " etc. is only used for describing purpose, and it is not intended that indicate or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.Additionally; technical scheme between each embodiment can be combined with each other; but must be based on those of ordinary skill in the art are capable of; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exists, the most not this utility model require protection domain within.
The utility model proposes a kind of pressure transducer test equipment, Fig. 1 to Fig. 4 is an embodiment of the pressure transducer test equipment that the utility model proposes:
As depicted in figs. 1 and 2, this pressure transducer test equipment includes pressue device 1, internal pressure sensor 2 and pressure-display device 3.
Described pressue device 1 includes pressure chamber 10 that pressure adjustable saves and connects described pressure chamber 10 and arrange with the external interface 11 accessed for testing pressure sensor 4.
Described internal pressure sensor 2 is in order to sense the internal pressure of described pressure chamber 10.
Described pressure-display device 3 include with described internal pressure sensor 2 be electrically connected with processor 31 and described processor 31 is electrically connected with and with for the electrical grafting of testing pressure sensor 4 interface 33 and with described processor 31 electric connection display screen 32, after described processor 31 is in order to process the sensing signal of described internal pressure sensor 2 and described testing pressure sensor 4, corresponding output internal pressure value and external pressure value are to described display screen 32, and control described display screen 32 and show.
nullThe detecting part of testing pressure sensor 4 is being accessed described external interface 11，And described testing pressure sensor 4 is plugged to described interface 33，When being electrically connected with described processor 31，Described internal pressure sensor 2 senses the force value of the inside of described pressure chamber 10 in time，And by sensing signal transmission to described processor 31，Simultaneously，Described testing pressure sensor 4 will sense the force value at described external interface 11，And by sensing signal transmission to described processor 31，Described processor 31 is by described internal pressure sensor 2 and the sensing signal of described testing pressure sensor 4，Internal pressure value and the external pressure value of described pressure chamber 10 is become after alignment processing，And control described display screen 32 and show，User can directly according to internal pressure value and external pressure value it is known that whether described testing pressure sensor 4 is normal，Specifically，This test equipment is compared by internal pressure value and the external pressure value of display screen 32，If in the predetermined deviation value that external pressure value is in tolerance interval，Illustrate that the property retention of testing pressure sensor 4 is good.If the deviation of external pressure value is in unacceptable scope, the poor-performing of testing pressure sensor 4 is described, testing pressure sensor 4 need to be changed.The pressure transducer test equipment that this utility model provides can learn rapidly that the performance of testing pressure sensor is whether good, and simple in construction and with low cost.
Described pressue device 1 Main Function is to provide the pressure chamber 10 of a pressure adjustable joint, the test environment described testing pressure sensor 4 tested with formation, why emphasize that the pressure adjustable of described pressure chamber 10 is whole to be because, can be under different force value at described pressure chamber 10 for same testing pressure sensor 4 and test, can also be different testing pressure sensors 4 to be under different force value at described pressure chamber 10 and tests.The mode of the pressure adjustable that can realize pressure chamber 10 has many, such as it may be that described pressure chamber 10 is connected pneumatic shuttle carry out supplying the source of the gas of different pressures, in the present embodiment, and the concrete pressure adjustable using following structure to realize described pressure chamber 10 joint:
Described pressue device 1 includes stretching to the piston 100 in described pressure chamber 10, and described piston 100 is in order to regulate the pressure within described pressure chamber 10.
Concrete, refer to Fig. 3, described piston 100 includes being positioned at described pressure chamber 10 and the plug (not shown) being slidably matched with described pressure chamber 10 and the push rod 101 being connected and extending described pressure chamber with described plug, described push rod 101 is provided with external screw thread, and the corresponding described external screw thread of the inwall of described pressure chamber 10 is provided with female thread.The inwall of described push rod 101 and described pressure chamber 10 passes through external screw thread and screw-internal thread fit, and make, described push rod 101 is driven to be converted into the line activities of described push rod 101 by driving means, reach to regulate the effect of pressure to change the size of described pressure chamber 101, it is threaded connection simultaneously, and after the effect of driving means is removed, the effect by screw thread of the described push rod 101, still will not draw back.
In addition, the external interface 11 of described pressue device 1 is as a pressure output of described pressure chamber 10, described pressure chamber 10 is direct by the pressure transmission in described pressure chamber 10 to described testing pressure sensor 4 by described external interface 11, obviously, described testing pressure sensor 4 can directly be connected with external interface 11, can also be to be connected by middleware, in this enforcement, described external interface 11 is provided with the sealing coupling 110 connected for testing pressure sensor 4, the two ends of described sealing coupling 110 are correspondingly provided with threadeds with described external interface 11, with with the outer connection screw thread threaded for described testing pressure sensor 4.Further, interface 33 and above-mentioned sealing coupling 110 in order to access the cut cable 40 of sensor 31 to be measured is arranged on the same side of test equipment, be conducive to detecting part 41 and the cut cable 40 of same sensor 31 to be measured are attached simultaneously, reduce the requirement to cable testing length, easy to use.
Described testing pressure sensor 4 can be various pressure transducer, specifically, in the present embodiment, the detecting part 41 of testing pressure sensor 4 is semi-conducting material, detecting part 41 surface is under pressure and forms semiconductor strain pressure, the pressure produced by pressure chamber 10 is made thin metal plate and then produces Piezoelectric Impedance effect, so that the change of impedance is converted into the signal of telecommunication and is persistently sent to processor 31.
In addition, described internal pressure sensor 2 can stretch in described pressure chamber 10, can also be to be connected by middleware to be connected with described pressure chamber 10, in the present embodiment, described pressue device is additionally provided with the interior connection interface 12 connecting described pressure chamber, and described interior connection interface 12 is provided with the sealing inner joint 120 being connected with described internal pressure sensor.
Described internal pressure sensor 2 can use various existing pressure transducer, such as, the detecting part 41 of described internal pressure sensor 2 is semi-conducting material, detecting part 41 surface be under pressure surface formed semiconductor strain pressure, the pressure produced by pressure chamber 10 is made thin metal plate and then produces Piezoelectric Impedance effect, so that the change of impedance is converted into the signal of telecommunication and is persistently sent to processor 31.
Refer to Fig. 2, so that described pressure transducer test equipment can be applicable to more place, place particular without power supply, or it is applicable to the oneself's supply after power-off, described test equipment also includes power module 5, described power module 5 is electrically connected with described internal pressure sensor 2 and described pressure-display device 3, in order to support that test equipment works.Further, described power module 5 is the lithium-ions battery being arranged in equipment.The built-in lithium-ions battery of survey equipment, can test sensor to be measured whenever and wherever possible, and not worked by external power supply starting device is affected, and more improves convenience and the portability type of test equipment.
In addition; refer to Fig. 1; in order to each components and parts of pressure transducer test equipment are protected; and the overall aesthetics of adherence pressure sensor testing apparatus; described pressure transducer test equipment also includes the shell 6 of pressue device 1 described in cover cap, described internal pressure sensor 2 and described pressure-display device 3; described shell 6 is provided with the display window 321 shown in display screen 32 for described pressure-display device 3, the mouth 61 of stepping down of corresponding described pressue device 1, described external interface 11 and described interface 33.Concrete, in the present embodiment, described pressue device 1 includes described piston 100, arranges a step down mouth 61 adaptive with push rod 101 diameter of piston 100, pass in and out with for push rod 101 on shell 6.
Described display window is located at the roof of described shell 6, described in mouth of stepping down be located on the sidewall of described shell 6.Further, described shell 6 includes lower cover 63 and the upper cover 62 fastened with described lower cover 63, it is provided with in order to fixing described pressue device 1, internal pressure sensor 2 and the built-in groove of pressure-display device 3 in described lower cover 63, described upper cover 62 fastens on described lower cover 63, integrated testability equipment is sealed in one, and upper cover 62 and lower cover 63 are provided with, at corresponding seam, mouth 61 of stepping down, in order to access testing pressure sensor 4.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; it is every under utility model of the present utility model is conceived; utilize the equivalent structure transformation that this utility model description and accompanying drawing content are made, or directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model.
Claims (9)
1. a pressure transducer test equipment, it is characterised in that comprising:
Pressue device, including the pressure chamber of pressure adjustable joint and connect described pressure chamber and arrange with the external interface accessed for testing pressure sensor；
Internal pressure sensor, in order to sense the internal pressure of described pressure chamber；And,
Pressure-display device, it is electrically connected with including the processor being electrically connected with described internal pressure sensor and described processor and with the interface for the electrical grafting of testing pressure sensor and the display screen that is electrically connected with described processor, after described processor is in order to process the sensing signal of described internal pressure sensor and described testing pressure sensor, corresponding output internal pressure value and external pressure value are to described display screen, and control described display screen and show.
2. pressure transducer test equipment as claimed in claim 1, it is characterised in that described pressue device includes stretching to the piston in described pressure chamber, and described piston is in order to regulate the pressure within described pressure chamber.
3. pressure transducer test equipment as claimed in claim 2, it is characterized in that, described piston includes being positioned at described pressure chamber and the plug being slidably matched with described pressure chamber and being connected and extend the push rod of described pressure chamber with described plug, described push rod is provided with external screw thread, and the corresponding described external screw thread of the inwall of described pressure chamber is provided with female thread.
4. pressure transducer test equipment as claimed in claim 1, it is characterized in that, described external interface is provided with the sealing coupling connected for testing pressure sensor, and the two ends of described sealing coupling are correspondingly provided with threaded with described external interface and with the outer connection screw thread being connected for described testing pressure sensor threads.
5. pressure transducer test equipment as claimed in claim 1, it is characterised in that described pressue device is additionally provided with the interior connection interface connecting described pressure chamber, and described interior connection interface is provided with the sealing inner joint being connected with described internal pressure sensor.
6. pressure transducer test equipment as claimed in claim 1, it is characterised in that described test equipment also includes power module, and described power module is electrically connected with described internal pressure sensor and described pressure-display device.
7. pressure transducer test equipment as claimed in claim 1, it is characterized in that, also include pressue device described in cover cap, described internal pressure sensor and the shell of described pressure-display device, described shell is provided with the display window shown in display screen for described pressure-display device, the mouth of stepping down of corresponding described pressue device, described external interface and described interface.
8. pressure transducer test equipment as claimed in claim 7, it is characterised in that described display window is located at the roof of described shell, described in mouth of stepping down be located on the sidewall of described shell.
9. pressure transducer test equipment as claimed in claim 7, it is characterised in that described shell includes lower cover and the upper cover fastened with described lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290602.XU CN205719400U (en) | 2016-04-08 | 2016-04-08 | Pressure transducer test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290602.XU CN205719400U (en) | 2016-04-08 | 2016-04-08 | Pressure transducer test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205719400U true CN205719400U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620290602.XU Expired - Fee Related CN205719400U (en) | 2016-04-08 | 2016-04-08 | Pressure transducer test equipment |
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| Country | Link |
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| CN (1) | CN205719400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709688A (en) * | 2018-07-20 | 2018-10-26 | 江苏集萃智能传感技术研究所有限公司 | A kind of vivo implantation type pressure sensor test device and method |
-
2016
- 2016-04-08 CN CN201620290602.XU patent/CN205719400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709688A (en) * | 2018-07-20 | 2018-10-26 | 江苏集萃智能传感技术研究所有限公司 | A kind of vivo implantation type pressure sensor test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20161123 Termination date: 20190408 |