CN208297452U - A kind of water activity measuring instrument - Google Patents
A kind of water activity measuring instrument Download PDFInfo
- Publication number
- CN208297452U CN208297452U CN201820761983.4U CN201820761983U CN208297452U CN 208297452 U CN208297452 U CN 208297452U CN 201820761983 U CN201820761983 U CN 201820761983U CN 208297452 U CN208297452 U CN 208297452U
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- water activity
- measuring device
- fixed column
- box body
- measuring instrument
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Abstract
The utility model discloses a kind of water activity measuring instruments, including body, measuring device and box body；The bottom end of body is equipped with opening, measuring device is set to opening, and box body is detachably set to the bottom of measuring device, and humidity sensor is wherein equipped in measuring device, the bottom surface of measuring device is equipped with the first hollow-out parts, and box body includes box bottom and the box body side being set on box bottom.By the above-mentioned means, water activity measuring instrument equipment figure disclosed in the utility model is smaller, part of appliance is in integrated setting, and equipment measures operation convenient for outgoing carrying.
Description
Technical field
The utility model relates to technical field of measuring equipment, in particular to a kind of water activity measuring instrument.
Background technique
Water activity (also referred to as water activity) refers to state existing for moisture in system, i.e. combination degree (the free journey of moisture
Degree).Water activity is to the measurement of the energy of water in system, and water activity value is higher, and combination degree is lower；Water activity value is lower, knot
Conjunction degree is higher.The definition of water activity Aw is that water vapor pressure P shown by food is steamed with pure water under same temperature under certain temperature
The ratio between air pressure Po, water activity value are equal to the relative humidity being expressed as a percentage, and numerical value is between 0-1.Water activity Aw value is to food
Product preservation has great importance, and using the measurement of water activity value, controls the growth of microorganism, calculates guaranteeing the quality for food and drug
Phase has been increasingly becoming the important indicator examined in the industries such as food, medicine, biological products, grain, feed, meat products.
Water activity measuring instrument is the equipment for measuring water activity, and existing water activity measuring instrument figure on the market is larger,
Part of appliance setting is more scattered, is not easy to outgoing carry and carries out corresponding water activity measurement operation.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of water activity measuring instrument, equipment figure is smaller, equipment
Component is in integrated setting, and equipment measures operation convenient for outgoing carrying.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of water activity measurement
Instrument, comprising: body, measuring device and box body；The bottom end of body is equipped with opening, and measuring device is set to opening, and box body is removable
The bottom for being set to measuring device is unloaded, humidity sensor is wherein equipped in measuring device, the bottom surface of measuring device is equipped with first and engraves
Empty portion, box body include box bottom and the box body side being set on box bottom.
Further, measuring device further includes fixed column, shell, is equipped with groove in fixed column, humidity sensor is set to
In groove, the outside of fixed column is equipped with card slot, and fixed column is arranged in the opening of body by card slot, and casing is set to fixed column
Basolateral on, the inside of the bottom end of box body side and shell connects, and the bottom surface of fixed column is equipped with the first hollow-out parts.
Further, measuring device further includes bottom case, and bottom case is set on the bottom surface of fixed column, bottom case be located at fixed column with
Between box body, bottom case is equipped with the second hollow-out parts, and the second hollow-out parts are oppositely arranged with the first hollow-out parts.
Further, measuring device further includes fixed strip, and fixed strip is arranged in the groove, and humidity sensor is set to fixation
The bottom end of item.
Further, humidity sensor is oppositely arranged with the first hollow-out parts.
Further, box body side is to be threadedly coupled with the inside of the bottom end of shell.
Further, the diameter of the bottom end of fixed column is greater than the diameter on the top of fixed column.
Further, shell is to be threadedly coupled with the Basolateral of fixed column.
Further, body is equipped with display screen.
Further, body is spliced by first shell and second shell.
The beneficial effects of the utility model are: being in contrast to the prior art, water activity disclosed in the utility model
Measuring instrument includes organism, measuring device and box body, and measuring device is set to the opening of body, and box body is set to measurement dress
The equipment figure of the bottom set, water activity measuring instrument is smaller, and all parts of equipment are in integrated setting, is entrained into convenient for outgoing
The measurement operation of row water activity.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model water activity measuring instrument；
Fig. 2 is the schematic perspective view of first shell and part measurement devices in the utility model water activity measuring instrument；
Fig. 3 is the schematic view of the front view of part measurement devices in Fig. 2；
Fig. 4 is the schematic view of the front view of measuring device and box body in the utility model water activity measuring instrument；
Fig. 5 is the schematic perspective view of measuring device in the utility model water activity measuring instrument；
Fig. 6 is the front view structure signal that measuring device does not include shell and bottom case in the utility model water activity measuring instrument
Figure；
Fig. 7 is the schematic perspective view of box body in the utility model water activity measuring instrument.
Specific embodiment
Fig. 1-7 is please referred to, the water activity measuring instrument of the utility model includes body 1, measuring device 2 and box body 3.Body
1 bottom end is equipped with opening, and measuring device 2 is set to opening, and box body 3 is detachably set to the bottom of measuring device 2, wherein measuring
Be equipped with humidity sensor 21 in device 2, the bottom surface of measuring device 2 is equipped with the first hollow-out parts, box body 3 include box bottom 31 with
And it is set to the box body side 32 on box bottom 31.Body 1 can be specifically spliced by first shell 11 and second shell 12.
Box body 3 is used to place the measured object of water activity value to be measured, and humidity sensor 21 is empty for measuring environment in box body 3
The relative humidity ERH of gas, the water activity measuring instrument of the utility model are to measure water using the ERH water activity method of testing of the prior art
Activity value, the ERH water activity method of testing reach equilibrium state by test water-bearing articles surface and sample surrounding environmental gases
Characteristic measures the relative humidity ERH of ambient air, as water activity value.
Specifically, measuring device 2 further includes fixed column 22, shell 23.Groove, humidity sensor 21 are equipped in fixed column 22
It is arranged in the groove.The outside of fixed column 22 is equipped with card slot 221, and fixed column 22 is arranged in the opening of body 1 by card slot 221
Place, the quantity of the present embodiment card slot 221 is specially two.Shell 23 is sheathed on the Basolateral of fixed column 22, box body side
32 connect with the inside of the bottom end of shell 23, and the bottom surface of fixed column 22 is equipped with the first hollow-out parts.Furthermore measuring device 2 further includes bottom
Shell 24, bottom case 24 are set on the bottom surface of fixed column 22, and bottom case 24 is between fixed column 22 and box body 3, i.e. bottom case 24 and box
Body bottom surface 31 is oppositely arranged, and bottom case 24 is equipped with the second hollow-out parts 241, and the second hollow-out parts 241 are oppositely arranged with the first hollow-out parts.It is excellent
Selection of land, humidity sensor 21 are oppositely arranged with the first hollow-out parts, so that humidity sensor 21 preferably carries out the survey of water activity value
Amount.
Above-mentioned measuring device 2 further includes fixed strip 25, and fixed strip 25 is arranged in the groove, and humidity sensor 21 is set to solid
Determine the bottom end of item 25.Concretely be threadedly coupled between box body side 32 and the inside of the bottom end of shell 23, realize box body 3 can
Disassembly setting.The cross section for being understood that above-mentioned fixed column 22 is circle, and the diameter of the bottom end of fixed column 22 is big in the present embodiment
The diameter on the small top greater than fixed column 22.The Basolateral of fixed column 22 is equipped with external screw thread 222, shell 23 and fixed column
22 Basolateral is to be threadedly coupled.Furthermore body 1 is equipped with display screen 13, and display screen 13 is for showing the water activity measured
Value.
The water activity measuring instrument of the utility model includes organism 1, measuring device 2 and box body 3, and measuring device 2 is arranged
In the opening of body 1, box body 3 is set to the bottom of measuring device 2, and the equipment figure of water activity measuring instrument is smaller, equipment
All parts are in integrated setting, convenient for the outgoing measurement operation for carrying progress water activity；It furthermore when in use, only need to be by box body
Under 3 dismantle from measuring device 2, the measured object of water activity value to be measured is placed in box body 3, is later pacified box body 3 again
It is attached in measuring device 2, the measurement of water activity can be carried out, it is simple and convenient.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of water activity measuring instrument characterized by comprising
Body, measuring device and box body；
The bottom end of the body is equipped with opening, and the measuring device is set to the opening, and the box body is detachably set to institute
The bottom of measuring device is stated, wherein being equipped with humidity sensor in the measuring device, the bottom surface of the measuring device is equipped with first
Hollow-out parts, the box body include box bottom and the box body side being set on box bottom.
2. water activity measuring instrument according to claim 1, which is characterized in that the measuring device further includes fixed column, outer
Shell, the fixed column is interior to be equipped with groove, and the humidity sensor is arranged in the groove, and the outside of the fixed column is equipped with card
Slot, the fixed column are arranged in the opening of the body by the card slot, and the casing is set to the bottom of the fixed column
On the outside of end, the box body side is connect with the inside of the bottom end of the shell, and the bottom surface of the fixed column is equipped with described first
Hollow-out parts.
3. water activity measuring instrument according to claim 2, which is characterized in that the measuring device further includes bottom case, described
Bottom case is set on the bottom surface of the fixed column, and between the fixed column and the box body, the bottom case is set the bottom case
There are the second hollow-out parts, second hollow-out parts are oppositely arranged with first hollow-out parts.
4. water activity measuring instrument according to claim 2, which is characterized in that the measuring device further includes fixed strip, institute
It states fixed strip to be arranged in the groove, the humidity sensor is set to the bottom end of the fixed strip.
5. water activity measuring instrument according to claim 2, which is characterized in that the humidity sensor and first hollow out
Portion is oppositely arranged.
6. water activity measuring instrument according to claim 2, which is characterized in that the bottom end of the box body side and the shell
Inside be threadedly coupled.
7. water activity measuring instrument according to claim 2, which is characterized in that the diameter of the bottom end of the fixed column is big
Diameter in the top of fixed column.
8. water activity measuring instrument according to claim 7, which is characterized in that outside the bottom end of the shell and the fixed column
Side is to be threadedly coupled.
9. water activity measuring instrument according to claim 1, which is characterized in that the body is equipped with display screen.
10. water activity measuring instrument according to claim 1, which is characterized in that the body is by first shell and second shell
Body is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761983.4U CN208297452U (en) | 2018-05-18 | 2018-05-18 | A kind of water activity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761983.4U CN208297452U (en) | 2018-05-18 | 2018-05-18 | A kind of water activity measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297452U true CN208297452U (en) | 2018-12-28 |
Family
ID=64727440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820761983.4U Active CN208297452U (en) | 2018-05-18 | 2018-05-18 | A kind of water activity measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297452U (en) |
-
2018
- 2018-05-18 CN CN201820761983.4U patent/CN208297452U/en active Active
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