CN104422561A - Detection device, detection system and detection method used for pressure sensor - Google Patents
Detection device, detection system and detection method used for pressure sensor Download PDFInfo
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- CN104422561A CN104422561A CN201310379615.5A CN201310379615A CN104422561A CN 104422561 A CN104422561 A CN 104422561A CN 201310379615 A CN201310379615 A CN 201310379615A CN 104422561 A CN104422561 A CN 104422561A
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- feeding apparatus
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Abstract
The invention provides a detection device, a detection system and a detection method used for a pressure sensor. The detection device includes a loading device, a plurality of fixing devices and a pressure conveying device. A plurality of through holes are arranged in the loading device. The plurality of fixing devices are corresponding to the plurality of through holes respectively. The plurality of fixing devices are constructed to be capable of fixing a plurality of pressure sensors to the plurality of through holes in a first surface of the loading device and the through holes are constructed to be capable of exposing at least part of pressure receiving surfaces of the pressure sensors. The pressure conveying device is provided with an air inlet and an air outlet. The loading device is connected to the air outlet in a sealing manner. A second surface of the loading device, opposite to the first surface, faces the pressure conveying device so that the pressure receiving surfaces of the pressure sensors face the pressure conveying device. The detection device is capable of completing detection of the plurality of pressure sensors at one time, convenient to install, simple in structure and convenient for improvement of work efficiency.
Description
Technical field
The present invention generally relates to sensor detection field, and relates more specifically to a kind of checkout equipment for pressure transducer and detection system, and utilizes the method for sensitivity of this detection system detected pressures sensor.
Background technology
Generally the tracheae by and its similar diameters on the outside surface cover of pressure transducer to be detected to the detection of pressure transducer in prior art, and make the compression face of pressure transducer towards this tracheae, from the air intake opening input gas of tracheae, make it act on the compression face of pressure transducer to be detected, thus carry out follow-up sensitivity technique operation.But this detection method can only detect a pressure transducer at every turn, in time detecting other pressure transducer, tracheae must be reinstalled, inefficiency.
Therefore, need to provide a kind of checkout equipment for pressure transducer and detection system, and utilize the method for sensitivity of this detection system detected pressures sensor, to solve the above-mentioned problem.
Summary of the invention
For solving the problems of the technologies described above, according to an aspect of the present invention, a kind of checkout equipment for pressure transducer is provided.Described checkout equipment comprises: bogey, multiple stationary installation and pressure-feeding apparatus.Bogey is provided with multiple through hole; Multiple stationary installation is corresponding with multiple described through hole respectively, multiple described stationary installation is configured at the first surface of described bogey, multiple pressure transducer can be fixed to multiple described through hole respectively, and described hole configuration be can expose described pressure transducer compression face at least partially; Described pressure-feeding apparatus has air intake opening and gas outlet, described bogey is sealingly connected to described gas outlet, and the second surface relative with described first surface of described bogey is towards described pressure-feeding apparatus, makes the compression face of described pressure transducer towards described pressure-feeding apparatus.
Preferably, each described stationary installation includes seal, described seal is provided with perforate, described perforate and described through-hole alignment, described seal is arranged between described pressure transducer and described bogey in described through hole under described pressure transducer is mounted to the installment state of described checkout equipment.
Preferably, described stationary installation comprises sleeve and lid, described sleeve is fixed on described bogey around described through hole, for accommodating described pressure transducer, described lid is removably connected on described sleeve, and described lid is pressed against described pressure transducer under described pressure transducer is mounted to the installment state of described checkout equipment.
Preferably, described stationary installation also comprises elastic component, and described elastic component is arranged on the side towards described sleeve of described lid, and described elastic component is configured to can by described pressure transducer towards described bogey bias voltage under described installment state.
Preferably, described sleeve and described lid are spirally connected.
Preferably, described bogey is screw-coupled to the described gas outlet of described pressure-feeding apparatus.
Preferably, described bogey and described pressure-feeding apparatus form.
Preferably, described bogey and described pressure-feeding apparatus are made up of metal material.
According to a further aspect in the invention, provide a kind of detection system for pressure transducer, described detection system comprises: any one checkout equipment as above; Sensitivity detector, described sensitivity detector is for detecting the sensitivity of the pressure transducer be arranged on described checkout equipment respectively; And pressure source, described pressure source is connected to the described air intake opening of described pressure-feeding apparatus, for inputting gas in described pressure-feeding apparatus.
According to also one side of the present invention, provide a kind of method using the sensitivity of above-mentioned detection system detected pressures sensor, said method comprising the steps of: the described first surface respectively multiple pressure transducer being mounted to described bogey by multiple described stationary installation, and the compression face of described pressure transducer is exposed by described through hole; Described pressure transducer is connected with described sensitivity detector respectively; The described air intake opening of described pressure-feeding apparatus is connected with described pressure source; In described pressure-feeding apparatus, gas is inputted by described air intake opening; When after the pressure stability in described pressure-feeding apparatus, monitor the reading of described sensitivity detector.
To sum up, checkout equipment provided by the invention can fix multiple pressure transducer simultaneously, thus once can complete the detection to multiple pressure transducer, easy for installation, and structure is simple and be conducive to increasing work efficiency.
Below in conjunction with accompanying drawing, describe advantages and features of the invention in detail.
Accompanying drawing explanation
In order to make advantage of the present invention be easier to understand, concise and to the point the present invention described above will be described in more detail by reference to specific embodiment illustrated in the accompanying drawings.Be appreciated that these accompanying drawings depict only exemplary embodiments of the present invention, therefore should do not think the restriction to its protection domain, described and explanation the present invention with additional characteristic and details by accompanying drawing.
Fig. 1 is the schematic diagram of checkout equipment according to an embodiment of the invention;
Fig. 2 is the schematic diagram of bogey according to an embodiment of the invention;
Fig. 3 is the amplification sectional view of a-quadrant shown in Fig. 1; And
Fig. 4 is the schematic diagram of the detection system comprising checkout equipment according to an embodiment of the invention.
Embodiment
In discussion hereafter, give details to provide more thorough understanding of the invention.But those skilled in the art can understand, the present invention can be implemented without the need to these details one or more.In specific example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are at large described.
According to an aspect of the present invention, a kind of checkout equipment (hereinafter referred to as checkout equipment) of pressure transducer is disclosed, for the sensitivity of detected pressures sensor.As shown in Figure 1, this checkout equipment comprises bogey 110, multiple stationary installation 120 and pressure-feeding apparatus 130.
Shown in composition graphs 2, this bogey 110 is provided with multiple through hole 111.Although the quantity of the through hole 111 shown in Fig. 2 is 8, the present invention is not limited thereto, those skilled in the art can select the through hole arranging fair amount according to actual needs.In addition, the shape of through hole 111 is also not limited to the circle shown in figure, can be also other shape any, as long as can realize object of the present invention.The quantity of multiple stationary installation 120 is corresponding with the quantity of multiple through hole 111, and namely each through hole 111 place is provided with a stationary installation 120 accordingly, pressure transducer to be fixed on through hole 111 place.When pressure transducer being fixed on through hole 111 place, the compression face of pressure transducer should aligned through holes 111, to make through hole 111 expose the compression face of pressure transducer.Like this, multiple pressure transducer can be respectively fixed to multiple through hole 111 place in the first surface of bogey 110 (left-hand face of the bogey 110 such as shown in Fig. 1) by multiple stationary installation 120, and through hole 111 can expose the compression face of pressure transducer at least partially.Through hole 111 can expose a part for compression face, also compression face all can be exposed, as long as pressure-feeding apparatus 130 can be carried the gaseous tension of coming to be applied to the compression face of pressure transducer by through hole 111.
Pressure-feeding apparatus 130 is respectively arranged with air intake opening 131 and gas outlet 132 at its two ends, and the second surface of bogey 110 is towards pressure-feeding apparatus 130 and be connected to gas outlet 132 end of pressure-feeding apparatus 130.Wherein, the second surface of bogey 110 is relative with first surface, and makes the compression face of pressure transducer towards described pressure-feeding apparatus 130, with the compression face enabling the gas from pressure-feeding apparatus 130 directly act on pressure transducer.This checkout equipment can simultaneously be installed and fix multiple pressure transducer on bogey 110, thus once can complete the detection to multiple pressure transducer, easy for installation, and structure simply and be conducive to increasing work efficiency.
Preferably, as shown in Figure 3, each stationary installation 120 comprises seal 121, and seal 121 is provided with perforate.Be installed to the installment state of checkout equipment at pressure transducer 300 under, seal 121 is arranged between pressure transducer 300 and bogey 110 at through hole 111 place, and the perforate on seal 121 is aimed at the through hole 111 on bogey 110, to ensure to carry gas by means of only corresponding through hole 111 between each pressure transducer 300 and bogey 110, and then realize the sealing between bogey 110 and corresponding pressure transducer 300 at each through hole 111 place.The arranging of seal 121 can ensure that gas can not be revealed in time applying gaseous tension by through hole 111 to the compression face of pressure transducer 300, thus ensure that the sealing of this checkout equipment, is conducive to the accuracy improving test data.
More preferably, as shown in Figure 3, each stationary installation 120 comprises sleeve 122 and lid 123, sleeve 122 is fixed on bogey 110 around through hole 111, the size of sleeve 122 is set to the size slightly larger than pressure transducer 300 to be detected, pressure transducer 300 can be contained in wherein.Preferably, the inside dimension of sleeve 122 can match with the size of pressure transducer 300, so that at the xsect internal fixtion pressure transducer 300 of sleeve 122.Although the sleeve 122 shown in figure is columniform, and the present invention is not limited to this, it can be any shape, as long as can fixation pressure sensor.Lid 123 is removably connected to the side relative with bogey 110 of sleeve 122, to make when pressure transducer 300 is installed to checkout equipment time, pressure transducer 300 can lean against on bogey 110 towards through hole 111 side pressure of bogey 110 by lid 123, and after completing the detection to pressure transducer 300, lid 123 can be pulled down from sleeve 122, thus pressure transducer 300 is taken out.This preferred implementation structure of the present invention is simple, easy for installation, with low cost and can be good fixation pressure sensor.
In order to be fixed on checkout equipment by pressure transducer 300 better, further preferably, stationary installation also comprises elastic component 124, as shown in Figure 3.Elastic component 124 can be arranged on the side towards sleeve 122 of lid 123.When pressure transducer 300 is mounted to checkout equipment time, elastic component 124 can by pressure transducer 300 towards bogey 110 bias voltage.Pressure transducer 300 can closely be fixed on checkout equipment by this elastic component 124 further, and gap appears in the place avoiding the compression face of pressure transducer 300 to contact with the through hole 111 of bogey 110, and affects sealing.In addition, being elastically biased toward pressure transducer 300 can also avoid pressure transducer 300 to damage in test process.
According to a preferred embodiment of the present invention, sleeve 122 can be spirally connected with lid 123.This preferred connected mode can be dismantled easily, be installed lid, thus can be inserted and taking-up by pressure transducer easily.
As shown in Figure 1, in the preferred embodiment of the present invention, bogey 110 is screw-coupled to the gas outlet 132 of pressure-feeding apparatus 130.This preferred connected mode can ensure the sealing property between bogey 110 and pressure-feeding apparatus 130 on the one hand, on the other hand can dismounting bogey 110 easily, thus when the parts such as pressure transducer, seal (if existence) are assemblied on bogey 110 time, first bogey 110 can be dismantled from pressure-feeding apparatus 130, to realize assembling easily.
In another kind of preferred implementation of the present invention, bogey 110 and pressure-feeding apparatus 130 form, to make the sealing property between pressure-feeding apparatus 130 and catching device 110 better.
Deform under the impact of the such as extraneous factor such as temperature in order to avoid this checkout equipment and affect the sealing of equipment, preferably, bogey 110 and pressure-feeding apparatus 130 are all be made up of metal material.The serviceable life of checkout equipment can be extended on the one hand, equipment can be avoided to deform on the other hand.But, stationary installation 120 is not limited to make with metal material.
According to a further aspect in the invention, a kind of detection system for pressure transducer is provided.As shown in Figure 4, this detection system comprises any one checkout equipment, sensitivity detector 420 and pressure source 410 as described above.For this checkout equipment, with reference to the specific descriptions of appropriate section above, can not repeat them here.This sensitivity detector 420 is for detecting the sensitivity of the pressure transducer (not shown) be arranged on checkout equipment respectively, although schematically show only a sensitivity detector 420 in Fig. 4, but, what it will be appreciated by those skilled in the art that is, should simultaneously for each pressure transducer be arranged on checkout equipment provide sensitivity technique unit, to detect while multiple pressure transducer can be realized.Exemplarily, sensitivity detector 420 can be voltage check device, such as digital multimeter, and namely the sensitivity of pressure transducer is measured in logical superpotential change.Pressure source 410 is connected to the air intake opening 131 of pressure-feeding apparatus 130, for inputting gas in pressure-feeding apparatus 130.Preferably, this pressure source 410 can show the pressure of the gas being delivered to pressure-feeding apparatus 130.
Present invention also offers a kind of method using the sensitivity of said detecting system detected pressures sensor.Continue with reference to figure 4, the detection method according to the embodiment of the present invention comprises the following steps:
First, respectively multiple pressure transducer is mounted to the first surface of 110 of bogey by multiple stationary installation 120, makes the compression face of pressure transducer towards bogey 110, and expose compression face at least partially by through hole.
Then, multiple pressure transducer is connected with multiple sensitivity detector 420 respectively.Exemplarily, sensitivity detector 420 can be voltage check device, such as digital multimeter, and namely the sensitivity of pressure transducer is measured in logical superpotential change.
Next, the air intake opening 131 of pressure-feeding apparatus 130 is connected with pressure source 410.
Then, in pressure-feeding apparatus 130, gas is inputted by air intake opening 131;
Finally, when after the pressure stability in pressure-feeding apparatus 130, the reading of monitoring sensitivity pick-up unit 420.Preferably, the air intake opening 131 of pressure-feeding apparatus 130 can with pressure detection list catenation, time pressure value in the pressure-feeding apparatus 130 of pressure detection table display remains unchanged, can learn that the pressure in pressure-feeding apparatus 130 reaches stable, thus can follow-up detection be carried out.
Wherein, the concrete assembling mode of pressure transducer has specific descriptions in above to the explanation of checkout equipment, does not repeat them here.
In sum, checkout equipment provided by the invention can fix multiple pressure transducer simultaneously, thus once can complete the detection to multiple pressure transducer, easy for installation, and structure is simple and be conducive to increasing work efficiency.
In order to be described, aforementioned description have references to specific embodiment and is described.But exemplary discussion above is also not intended to be without omitting ground or limiting the present invention to disclosed in form clear and definite.In view of above instruction, also likely there is a lot of modification and change.Select and describe embodiment, to explain principle of the present invention and practical application best, utilize the present invention best to make others skilled in the art and there are the various embodiments of various modification, so that the special-purpose expected can be applicable to.
Be thus described according to embodiments of the invention.Although the disclosure is described in a particular embodiment, should understand, the present invention should not be construed as and limited by these embodiments, and should understand according to claim.
Claims (10)
1., for a checkout equipment for pressure transducer, described checkout equipment comprises:
Bogey, is provided with multiple through hole;
Multiple stationary installation, it is corresponding with multiple described through hole respectively, multiple described stationary installation is configured at the first surface of described bogey, multiple pressure transducer can be fixed to multiple described through hole respectively, and described hole configuration be can expose described pressure transducer compression face at least partially;
Pressure-feeding apparatus, described pressure-feeding apparatus has air intake opening and gas outlet, described bogey is sealingly connected to described gas outlet, and the second surface relative with described first surface of described bogey is towards described pressure-feeding apparatus, makes the compression face of described pressure transducer towards described pressure-feeding apparatus.
2. checkout equipment as claimed in claim 1, it is characterized in that, each described stationary installation includes seal, described seal is provided with perforate, described perforate and described through-hole alignment, described seal is arranged between described pressure transducer and described bogey in described through hole under described pressure transducer is mounted to the installment state of described checkout equipment.
3. checkout equipment as claimed in claim 1, it is characterized in that, described stationary installation comprises sleeve and lid, described sleeve is fixed on described bogey around described through hole, for accommodating described pressure transducer, described lid is removably connected on described sleeve, and described lid is pressed against described pressure transducer under described pressure transducer is mounted to the installment state of described checkout equipment.
4. checkout equipment as claimed in claim 3, it is characterized in that, described stationary installation also comprises elastic component, described elastic component is arranged on the side towards described sleeve of described lid, and described elastic component is configured to can by described pressure transducer towards described bogey bias voltage under described installment state.
5. checkout equipment as claimed in claim 3, it is characterized in that, described sleeve and described lid are spirally connected.
6. checkout equipment as claimed in claim 1, it is characterized in that, described bogey is screw-coupled to the described gas outlet of described pressure-feeding apparatus.
7. checkout equipment as claimed in claim 1, it is characterized in that, described bogey and described pressure-feeding apparatus form.
8. checkout equipment as claimed in claim 1, it is characterized in that, described bogey and described pressure-feeding apparatus are made up of metal material.
9. for a detection system for pressure transducer, it is characterized in that, described detection system comprises:
Checkout equipment according to any one of claim 1-8;
Sensitivity detector, described sensitivity detector is for detecting the sensitivity of the pressure transducer be arranged on described checkout equipment respectively; And
Pressure source, described pressure source is connected to the described air intake opening of described pressure-feeding apparatus, for inputting gas in described pressure-feeding apparatus.
10. use a method for the sensitivity of detection system detected pressures sensor as claimed in claim 9, said method comprising the steps of:
Respectively multiple pressure transducer is mounted to the described first surface of described bogey by multiple described stationary installation, and the compression face of described pressure transducer is exposed by described through hole;
Described pressure transducer is connected with described sensitivity detector respectively;
The described air intake opening of described pressure-feeding apparatus is connected with described pressure source;
In described pressure-feeding apparatus, gas is inputted by described air intake opening;
When after the pressure stability in described pressure-feeding apparatus, monitor the reading of described sensitivity detector.
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CN104422561B CN104422561B (en) | 2016-12-28 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644266A (en) * | 2016-12-23 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Pressure sensor detection equipment |
CN109596264A (en) * | 2018-11-14 | 2019-04-09 | 珠海市万瑙特健康科技有限公司 | Array pressure sensor detecting device |
CN113916443A (en) * | 2021-10-08 | 2022-01-11 | 安徽科技学院 | Air pressure sensor detection device |
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CN1946996A (en) * | 2004-02-25 | 2007-04-11 | 霍尼韦尔国际公司 | Sensor testing system and method |
JP2010133973A (en) * | 2002-06-05 | 2010-06-17 | General Electric Co <Ge> | Calibration method and system for dynamic combustor sensor |
CN202305112U (en) * | 2011-10-29 | 2012-07-04 | 芜湖通和汽车管路系统有限公司 | Batch debugging tool for pressure sensors |
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CN2149620Y (en) * | 1992-12-06 | 1993-12-15 | 谭景祥 | Calibrating apparatus for gas pressure gauge |
JP2010133973A (en) * | 2002-06-05 | 2010-06-17 | General Electric Co <Ge> | Calibration method and system for dynamic combustor sensor |
CN1946996A (en) * | 2004-02-25 | 2007-04-11 | 霍尼韦尔国际公司 | Sensor testing system and method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106644266A (en) * | 2016-12-23 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Pressure sensor detection equipment |
CN109596264A (en) * | 2018-11-14 | 2019-04-09 | 珠海市万瑙特健康科技有限公司 | Array pressure sensor detecting device |
CN113916443A (en) * | 2021-10-08 | 2022-01-11 | 安徽科技学院 | Air pressure sensor detection device |
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Effective date of registration: 20171116 Address after: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8 Patentee after: Wuxi Huarun Shanghua Technology Co., Ltd. Address before: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8 Patentee before: Wuxi CSMC Semiconductor Co., Ltd. |
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