CN105628688A - Humidity indicating card - Google Patents
Humidity indicating card Download PDFInfo
- Publication number
- CN105628688A CN105628688A CN201410590281.0A CN201410590281A CN105628688A CN 105628688 A CN105628688 A CN 105628688A CN 201410590281 A CN201410590281 A CN 201410590281A CN 105628688 A CN105628688 A CN 105628688A
- Authority
- CN
- China
- Prior art keywords
- color change
- color
- humidity
- display box
- indicating card
- 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.)
- Pending
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Drying Of Gases (AREA)
Abstract
The invention relates to a humidity indicating card. The indicating card comprises a sheet with a strong absorption property, a color change window and at least two display frames, each of the color change window and the display frames is a geometric frame coated on the middle of the sheet, the inside of the cavity of the color change window is coated with a humidity color change agent, and the colors in the two display frames are different. The humidity indicating card has the advantages of simple structure, low cost, use convenience and clear display, the sheet is an absorbent paper or a cup mat paper with a strong absorption property, the humidity color change agent is a common reagent, such as copper sulfate, the moisture color change degree of the color change window is judged through colors indicated in the display frames, the moisture change state in a vacuum state can be clearly reflected from the color change window, and a user is timely promoted to afresh package, so the required dryness degree of a packaged product is guaranteed.
Description
Technical field
The present invention relates to the card judging whether to make moist under a kind of vacuum packaging environment, particularly relate to a kind of humidity indicating card.
Background technology
At present, quasiconductor, electronics, the equipment such as electrical equipment and parts thereof that market is sold all need protection against the tide, are likely to cause certain damage when humidity is higher. So product is typically chosen vacuum packaging, humidity indicating card (HIC) is a kind of environmental measurement product whether detection relative humidity in airtight package is safe.
Summary of the invention
The present invention is to solve problem above provide a kind of simple in construction, with low cost, easy to use, show clearly humidity indicating card.
The technical scheme is that described instruction card includes the strong tablet of absorbability, a color-changing window and at least two display box, described color-changing window and display box are be coated in the geometric form housing in the middle of tablet, being coated with humidity colour-changing agent in the cavity of described color-changing window, the color in two described display boxes is different.
It is provided with under vacuum state in any one display box in described display box undamped color, in another display box, is provided with the color made moist under vacuum state.
Present configuration is simple, with low cost, easy to use, it is clear to show, tablet is the absorbent paper or plate mat paper that absorbability is strong, humidity chromogenic agent is the reagent of conventional copper sulfate etc, the discoloration that makes moist of color-changing window is judged by the color of instruction in display box, whether can make moist from the clear reflection vacuum state of variable color window variable condition, user is reminded to need to repack in time, thus ensureing that packaged product reaches the degree of drying needed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1 is tablet, and 2 is color-changing window, and 3 is display box one, and 4 is display box two.
Detailed description of the invention
Humidity indicating card, described instruction card includes 1, color-changing window 2 of the strong tablet of absorbability and display box 1, display box 24, described color-changing window 2 and display box 1, display box 24 are be coated in the circular housing in the middle of tablet 1, it is coated with humidity colour-changing agent in the cavity of described color-changing window 2, described display box 1 is different with the color in display box 24, it is provided with under vacuum state in described display box 1 undamped color, in display box 24, is provided with the color made moist under vacuum state.
Claims (2)
1. humidity indicating card, it is characterized in that: described instruction card includes the strong tablet of absorbability, a color-changing window and at least two display box, described color-changing window and display box are be coated in the geometric form housing in the middle of tablet, being coated with humidity colour-changing agent in the cavity of described color-changing window, the color in two described display boxes is different.
2. humidity indicating card according to claim 1, it is characterised in that: it is provided with under vacuum state in any one display box in described display box undamped color, in another display box, is provided with the color made moist under vacuum state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590281.0A CN105628688A (en) | 2014-10-29 | 2014-10-29 | Humidity indicating card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590281.0A CN105628688A (en) | 2014-10-29 | 2014-10-29 | Humidity indicating card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105628688A true CN105628688A (en) | 2016-06-01 |
Family
ID=56043826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410590281.0A Pending CN105628688A (en) | 2014-10-29 | 2014-10-29 | Humidity indicating card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105628688A (en) |
-
2014
- 2014-10-29 CN CN201410590281.0A patent/CN105628688A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160601 |