CN220584108U - Dew point hygrometer calibrating device - Google Patents

Dew point hygrometer calibrating device Download PDF

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Publication number
CN220584108U
CN220584108U CN202321283222.XU CN202321283222U CN220584108U CN 220584108 U CN220584108 U CN 220584108U CN 202321283222 U CN202321283222 U CN 202321283222U CN 220584108 U CN220584108 U CN 220584108U
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China
Prior art keywords
dew point
calibration
standard gas
sampling
hygrometer
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CN202321283222.XU
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Chinese (zh)
Inventor
桂绍普
李晓甫
李鹏辉
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Centre Testing International Group Co ltd
Huace Metrology Testing Co ltd
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Centre Testing International Group Co ltd
Huace Metrology Testing Co ltd
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Priority to CN202321283222.XU priority Critical patent/CN220584108U/en
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Abstract

The utility model belongs to the technical field of dew point measurement equipment, a dew point hygrometer calibrating device is provided, including dew point generation unit, dew point display element and inside calibration sampling unit that has the cavity, the standard gas inlet port that communicates in inside cavity is seted up on the calibration sampling unit surface, standard gas venthole and a plurality of standard gas sampling hole, dew point generation unit communicates in standard gas inlet port, thereby in letting in the cavity of calibration sampling unit with the standard gas of known dew point temperature, the dew point hygrometer that waits to calibrate can set up on each standard gas sampling hole one by one and stretch into in the cavity and sample and detect, because dew point generation unit and calibration sampling unit disconnect-type design, so, can not be limited by dew point generation unit size, add more standard gas sampling hole according to actual calibration quantity demand on the calibration sampling unit, realize the batch calibration of dew point hygrometer, the batch calibration efficiency of dew point hygrometer has effectively been promoted.

Description

Dew point hygrometer calibrating device
Technical Field
The application belongs to dew point measuring equipment technical field, and more specifically relates to a dew point hygrometer calibrating device.
Background
The dew point hygrometer is an instrument for measuring air humidity by measuring dew point temperature, wherein a humidity sensing material in the instrument is generally alumina or a high-molecular active polymer film, so that water vapor can be fully absorbed and dynamic balance can be achieved, and because an electrical parameter (such as capacitance, resistance, dielectric constant or frequency and the like) of the humidity sensing material can have a certain direct or indirect functional relation with the water vapor content in a measured system, a measuring unit can obtain a corresponding dew point temperature value through measuring the change of the electrical parameter of the humidity sensing material in a conversion way.
Currently, when the dew point hygrometer is calibrated based on related calibration standards, the dew point hygrometer to be calibrated needs to be arranged in a calibration sampling slot of the dew point hygrometer generating device, so that standard gas with known dew point temperature is measured, and comparison calibration is realized, but the method is limited by the overall size of the current dew point hygrometer generating device, the number of the calibration sampling slots is relatively small, and one dew point hygrometer generating device can only simultaneously calibrate 2-4 dew point hygrometers, so that the batch calibration efficiency of the dew point hygrometers is affected.
Disclosure of Invention
An object of the present application is to provide a dew point hygrometer calibrating device, aims at solving the calibration sampling groove phase on the present dew point generating device less to the batch calibration efficiency problem of dew point hygrometer has been influenced.
In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a dew point hygrometer calibrating device, including dew point generating element, dew point display element and the calibration sampling unit that inside has the cavity, calibration sampling unit surface has been seted up and has been linked together in the standard gas inlet port of inside cavity respectively, standard gas venthole and a plurality of standard gas sampling hole, dew point generating element communicates in standard gas inlet port, the dew point hygrometer that waits to calibrate can set up on each standard gas sampling hole one by one and stretch into in the cavity, dew point display element is electric connection each dew point hygrometer that waits to calibrate respectively.
In one embodiment, the calibration sampling unit comprises a calibration support and a calibration sampling piece, the calibration sampling piece is fixedly connected to the calibration support, the calibration sampling piece is of a pipe body structure with a cylindrical cavity inside, and the standard gas inlet hole, the standard gas outlet hole and each standard gas sampling hole are formed in the surface of the calibration sampling piece.
In one embodiment, the calibration sample extends along a vertical direction, and the plurality of standard gas sampling holes are alternately formed in the side part of the calibration sample, and the standard gas inlet holes and the standard gas outlet holes are respectively formed in the top and the bottom of the calibration sample, or the standard gas inlet holes and the standard gas outlet holes are respectively formed in the bottom and the top of the calibration sample.
In one embodiment, the standard gas sampling holes are provided with connecting threads, and the dew point hygrometer calibrating device further comprises a plurality of connecting gaskets, wherein each connecting gasket is correspondingly connected between each dew point hygrometer to be calibrated and each standard gas sampling hole.
In one embodiment, the outer diameter of the calibration sample piece is 40mm, the inner diameter is 30mm, the length is 170mm, the inner diameter of the standard gas sampling holes is 9mm, and the 11 standard gas sampling holes are uniformly staggered on the side of the calibration sample piece.
In one embodiment, the calibration support comprises a base plate and a plurality of legs, one end of each leg being fixedly connected to the base plate, and the other end being fixedly connected to the bottom of the calibration sample.
In one embodiment, the calibration support comprises a triangular bottom plate and three supporting legs, wherein one ends of the three supporting legs are respectively and fixedly connected to three end points of the bottom plate, and the other ends of the three supporting legs are respectively and fixedly connected to the bottom of the calibration sampling piece.
The beneficial effect that this application provided dew point hygrometer calibrating device lies in, compared with the prior art, above-mentioned dew point hygrometer calibrating device includes dew point generating element, dew point display element and inside calibration sampling unit that has the cavity, wherein, the standard gas inlet port that communicates in inside cavity is seted up on the calibration sampling unit surface, standard gas venthole and a plurality of standard gas sampling hole, dew point generating element communicates in standard gas inlet port, thereby in letting in the cavity of calibration sampling unit with the standard gas of known dew point temperature, dew point hygrometer to be calibrated can set up on each standard gas sampling hole one by one and stretch into in the cavity and sample and detect, dew point display element respectively each dew point hygrometer to be calibrated and then show the dew point temperature that each dew point hygrometer to be calibrated detected, because dew point generating element and calibration sampling element disconnect-type design, so, can not be limited by dew point generating element size, set up more standard gas sampling hole according to actual calibration quantity demand on the calibration sampling element, realize the batch calibration of dew point hygrometer, the batch calibration efficiency of dew point hygrometer has effectively been promoted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a standard sampling unit according to some embodiments of the present application.
100. Calibrating a sampling unit; 110. calibrating the sampling member; 112. a standard gas inlet hole; 114. a standard gas outlet hole; 116. a standard gas sampling hole; 120. calibrating the support; 122. a bottom plate; 124. and (5) supporting legs.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, a description will be given of a calibration device for a dew point hygrometer according to an embodiment of the present application, where the calibration device for a dew point hygrometer includes a dew point generating unit (not shown), a dew point display unit (not shown) and a calibration sampling unit 100, the calibration sampling unit 100 has a cavity therein, the surface of the calibration sampling unit 100 is provided with a standard gas inlet 112, a standard gas outlet 114 and a plurality of standard gas sampling holes 116, the standard gas inlet 112 is connected to the dew point generating unit, so that standard gas with a known dew point temperature can be introduced into an inner cavity of the calibration sampling unit 100 through the standard gas inlet 112, the dew point hygrometers to be calibrated (not shown) can be disposed on each standard gas sampling hole 116 one by one and extend into the cavity for sampling detection, and the dew point display unit is electrically connected to each dew point hygrometer to be calibrated, so as to display the dew point temperature detected by each dew point hygrometer to be calibrated for comparison calibration.
The beneficial effect of dew point hygrometer calibrating device that this application provided lies in, compares with prior art, above-mentioned dew point takes place unit and calibration sampling unit 100 for disconnect-type design, so can not be limited by dew point and take place the unit size, according to actual calibration quantity demand on calibration sampling unit 100, add more standard gas sampling hole 116, realize the batch calibration of dew point hygrometer, effectively promoted the batch calibration efficiency of dew point hygrometer.
Further, in the present embodiment, the calibration sampling unit 100 includes a calibration sampling member 110 and a calibration supporting member 120, wherein the calibration sampling member 110 is fixedly connected to the calibration supporting member 120, the calibration sampling member 110 is a tubular structure having a cylindrical cavity therein, and the standard gas inlet hole 112, the standard gas outlet hole 114 and each standard gas sampling hole 116 are all formed on the surface of the calibration sampling member 110.
Taking the view angle in fig. 1 as an example, further, the calibration sample piece 110 extends along the vertical direction, a plurality of standard gas sampling holes 116 are alternately formed on the side portion of the calibration sample piece 110, and a standard gas inlet hole 112 and a standard gas outlet hole 114 are respectively formed on the top portion and the bottom portion of the calibration sample piece 110; in other embodiments, the standard gas inlet aperture 112 and the standard gas outlet aperture 114 are formed in the bottom and top of the calibration sample 110, respectively.
Further, in this embodiment, the above-mentioned standard gas sampling hole 116 has a connecting thread, the dew point hygrometer to be calibrated can be screwed and fixed on the standard gas sampling hole 116, the dew point hygrometer calibrating device further includes a plurality of connecting gaskets (not shown), each connecting gasket is correspondingly connected between each dew point hygrometer to be calibrated and each standard gas sampling hole 116, and further is used for enhancing the connection stability and air tightness of each dew point hygrometer and each standard gas sampling hole 116.
Specifically, in the present embodiment, the outer diameter of the calibration sample piece 110 is 40mm, the inner diameter is 30mm, the length is 170mm, the inner diameter of the standard gas sampling hole 116 is 9mm, and 11 standard gas sampling holes 116 are uniformly staggered on the side of the calibration sample piece 110; it will be appreciated that the specific size and configuration of the calibration sample piece 110 and the number of the standard gas sampling holes 116 may be flexibly set based on the actual calibration requirements, and are not limited only herein.
Further, in the present embodiment, the calibration support 120 includes a base plate 122 and a plurality of legs 124, wherein one end of each leg 124 is fixedly connected to the base plate 122, and the other end is fixedly connected to the bottom of the calibration sample 110.
Specifically, in the present embodiment, the calibration support 120 includes a triangular bottom plate 122 and three legs 124, wherein one ends of the three legs 124 are respectively and fixedly connected to three end points of the bottom plate 122, and the other ends of the three legs are respectively and fixedly connected to the bottom of the calibration sample 110.
Further, in this embodiment, the above-mentioned dew point display unit includes a cabinet body and a multichannel display screen disposed on an outer surface of the cabinet body, and each dew point hygrometer to be calibrated is electrically connected to the multichannel display screen through an aviation connector, so that the multichannel display screen can display the dew point temperature detected by each dew point hygrometer to be calibrated together.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (7)

1. The utility model provides a dew point hygrometer calibrating device, its characterized in that includes dew point generation unit, dew point display element and the inside calibration sampling unit that has the cavity, calibration sampling unit surface is seted up and is linked together respectively in inside standard gas inlet port, standard gas venthole and a plurality of standard gas sampling hole of cavity, dew point generation unit link up in standard gas inlet port, the dew point hygrometer that waits to calibrate can one by one set up in each on the standard gas sampling hole and stretch into in the cavity, dew point display element respectively electric connection wait to calibrate the dew point hygrometer.
2. The device according to claim 1, wherein the calibration sampling unit comprises a calibration support and a calibration sampling member, the calibration sampling member is fixedly connected to the calibration support, the calibration sampling member is a tube structure with a cylindrical cavity inside, and the standard gas inlet hole, the standard gas outlet hole and each standard gas sampling hole are all formed in the surface of the calibration sampling member.
3. The dew point hygrometer calibrating device according to claim 2, wherein the calibrating sample piece extends along a vertical direction, the plurality of standard gas sampling holes are staggered on the side part of the calibrating sample piece, the standard gas inlet holes and the standard gas outlet holes are respectively formed in the top and the bottom of the calibrating sample piece, or the standard gas inlet holes and the standard gas outlet holes are respectively formed in the bottom and the top of the calibrating sample piece.
4. The device of claim 3, wherein the standard gas sampling holes have connecting threads, and the device further comprises a plurality of connecting gaskets, each of the connecting gaskets being in one-to-one correspondence between each of the dew point hygrometers to be calibrated and each of the standard gas sampling holes.
5. The device for calibrating a dew point hygrometer according to claim 4, wherein the outer diameter of the calibration sampling piece is 40mm, the inner diameter of the calibration sampling piece is 30mm, the length of the calibration sampling piece is 170mm, the inner diameter of the standard gas sampling hole is 9mm, and 11 standard gas sampling holes are uniformly staggered on the side part of the calibration sampling piece.
6. A dew point hygrometer calibration means according to claim 3 wherein the calibration support comprises a base plate and a plurality of feet, one end of each of the feet being fixedly connected to the base plate and the other end being fixedly connected to the bottom of the calibration sample.
7. The device according to claim 6, wherein the calibration support comprises a triangular bottom plate and three legs, one ends of the three legs are respectively and fixedly connected to three end points of the bottom plate, and the other ends of the three legs are respectively and fixedly connected to the bottom of the calibration sample piece.
CN202321283222.XU 2023-05-25 2023-05-25 Dew point hygrometer calibrating device Active CN220584108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321283222.XU CN220584108U (en) 2023-05-25 2023-05-25 Dew point hygrometer calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321283222.XU CN220584108U (en) 2023-05-25 2023-05-25 Dew point hygrometer calibrating device

Publications (1)

Publication Number Publication Date
CN220584108U true CN220584108U (en) 2024-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321283222.XU Active CN220584108U (en) 2023-05-25 2023-05-25 Dew point hygrometer calibrating device

Country Status (1)

Country Link
CN (1) CN220584108U (en)

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