CN104391011A - Condensation sensor - Google Patents
Condensation sensor Download PDFInfo
- Publication number
- CN104391011A CN104391011A CN201410608929.2A CN201410608929A CN104391011A CN 104391011 A CN104391011 A CN 104391011A CN 201410608929 A CN201410608929 A CN 201410608929A CN 104391011 A CN104391011 A CN 104391011A
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- China
- Prior art keywords
- condensation
- interface
- inductive probe
- circuit module
- module substrate
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Abstract
The invention relates to a condensation sensor. The condensation sensor comprises a circuit module substrate and a condensation inductive probe, wherein a condensation inductive probe interface is formed on one end of the circuit module substrate, a chip module, a knob installation block, a signal indicator light and an input-output interface which are transversely distributed along the circuit module substrate are sequentially arranged on the side surface of the condensation inductive probe interface, the condensation inductive probe comprises a ceramic base plate and a crossing comb-shaped electrode which is arranged on the ceramic base plate, a humidity sensing film is arranged on the surface of the comb-shaped electrode, the tail end of the comb-shaped electrode is connected with a lead, and the lead is connected to the condensation inductive probe interface. By adopting the technical scheme, the circuit module substrate can be arranged in a box to be sealed, so that the condensation sensor is small in size, simple to operate and high in sensitivity; moreover, a dew point sensor of a positive characteristic and a dew point sensor of a negative characteristic can be formed according to the material composition of the humidity sensing film.
Description
Technical field
Sensor field of the present invention, is specifically related to a kind of condensation sensor.
Background technology
Along with the development in epoch, the industrial sectors such as scientific research, agricultural, HVAC, weaving, machine room, Aero-Space, electric power, more and more need to adopt condensation sensor, to the requirement of product quality, more industry is higher, has all become one of commonplace technical conditions to the control of environment epidemic disaster and to the supervision and analysis of industrial materials moisture content value; Condensation product sensor and moisture measurement belong to the industry of rising the nineties, and how the condensation sensor how to manufacture, judge the performance of humidity sensor, and this is to technical merit now, are still a comparatively complicated problem; Will occur the high humidity regions of condensation state, the resistance value of thick film ceramic semiconductor can sharply change, and namely condensation sensor utilizes this principle to make.The electrical resistance relative humidity of condensation sensor linearly changes, sensor converts the change of resistance value to the change of humidity, this characteristic is utilized to carry out hygroscopy, and the circuit module substrate that this condensation sensor adopts, make sensor bulk smaller and more exquisite, measurement sensistivity is high, and can form the formation dew point transducer of positive characteristic and the dew point transducer of negative characteristic according to the material of humidity-sensitive film.
Summary of the invention
The object of the invention is to overcome prior art Problems existing, a kind of condensation sensor is provided.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of condensation sensor, comprise circuit module substrate and condensation inductive probe, described circuit module substrate one end is provided with condensation inductive probe interface, the side of described condensation inductive probe interface is disposed with the chip module along circuit module substrate lateral arrangement, knob mounting blocks, signal lamp, IO interface, described condensation inductive probe comprises ceramic substrate, and the interdigitated electrodes arranged on a ceramic substrate, described comb electrode is provided with humidity-sensitive film on the surface, comb electrode tail end is connected with lead-in wire, described lead-in wire connects condensation inductive probe interface.
Further, the chip in described chip module is LM393 chip.
Further, described knob mounting blocks is provided with adjustment of sensitivity knob.
Further, described IO interface comprises power cathode interface, positive source interface, analog signal output interface and level signal output interface.
Preferably, described humidity-sensitive film is macromolecule and particulate materials, or water power is made from one in material.
The invention has the beneficial effects as follows:
Adopt technical solution of the present invention, circuit module substrate can be placed in box and form enclosure-type, volume is little, simple to operate, highly sensitive, and can form the formation dew point transducer of positive characteristic and the dew point transducer of negative characteristic according to the material of humidity-sensitive film.
Accompanying drawing explanation
Fig. 1 is circuit module board structure schematic diagram of the present invention;
Fig. 2 is condensation inductive probe front view;
Fig. 3 is condensation inductive probe schematic cross-section.
Number in the figure illustrates: 1, circuit module substrate, 2, condensation inductive probe, 21, ceramic substrate, 22, comb electrode, 23, humidity-sensitive film, 24, lead-in wire, 3, condensation inductive probe interface, 4, chip module, 5, knob mounting blocks, 6, signal lamp, 7, IO interface, 71, power cathode interface, 72, positive source interface, 73, analog signal output interface, 74, level signal output interface, 8, adjustment of sensitivity knob.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
As shown in Figure 1, a kind of condensation sensor, comprise circuit module substrate 1 and condensation inductive probe 2, described circuit module substrate 1 one end is provided with condensation inductive probe interface 3, the side of described condensation inductive probe interface 3 is disposed with the chip module 4 along circuit module substrate 1 lateral arrangement, knob mounting blocks 5, signal lamp 6, IO interface 7, as shown in Figures 2 and 3, described condensation inductive probe 2 comprises ceramic substrate 21, and the interdigitated electrodes 22 be arranged on ceramic substrate 21, described comb electrode 22 is provided with humidity-sensitive film 23 on the surface, comb electrode 22 tail end is connected with lead-in wire 24, described lead-in wire 24 connects condensation inductive probe interface 3.
Chip in described chip module 4 is LM393 chip.
Described knob mounting blocks 5 is provided with adjustment of sensitivity knob 8.
Described IO interface 7 comprises power cathode interface 71, positive source interface 72, analog signal output interface 73 and level signal output interface 74.
Described humidity-sensitive film 23 is macromolecule and particulate materials, or water power is made from one in material; Wherein, the humidity-sensitive film 23 that macromolecule and particulate materials are formed, realizes electronic conduction, forms the dew point transducer of positive characteristic; The humidity-sensitive film 23 that water power is formed from material, realizes ionic conduction, forms the dew point transducer of negative characteristic.
In the present embodiment, the manufacturing process of condensation inductive probe 2 is as follows:
A) first on ceramic substrate 21, comb electrode 22 is made;
B) then on comb electrode 22, humidity-sensitive film 23 is applied;
C) to burn-on lead-in wire 24 at comb electrode 22 tail end.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a condensation sensor, comprise circuit module substrate (1) and condensation inductive probe (2), it is characterized in that, described circuit module substrate (1) one end is provided with condensation inductive probe interface (3), the side of described condensation inductive probe interface (3) is disposed with the chip module (4) along circuit module substrate (1) lateral arrangement, knob mounting blocks (5), signal lamp (6), IO interface (7), described condensation inductive probe (2) comprises ceramic substrate (21), and the interdigitated electrodes (22) be arranged on ceramic substrate (21), described comb electrode (22) is provided with humidity-sensitive film (23) on the surface, comb electrode (22) tail end is connected with lead-in wire (24), described lead-in wire (24) connects condensation inductive probe interface (3).
2. condensation sensor according to claim 1, is characterized in that, the chip in described chip module (4) is LM393 chip.
3. condensation sensor according to claim 1, is characterized in that, described knob mounting blocks (5) is provided with adjustment of sensitivity knob (8).
4. condensation sensor according to claim 1, is characterized in that, described IO interface (7) comprises power cathode interface (71), positive source interface (72), analog signal output interface (73) and level signal output interface (74).
5. condensation sensor according to claim 1, is characterized in that, described humidity-sensitive film (23) is macromolecule and particulate materials, or water power is made from one in material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608929.2A CN104391011A (en) | 2014-11-04 | 2014-11-04 | Condensation sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608929.2A CN104391011A (en) | 2014-11-04 | 2014-11-04 | Condensation sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104391011A true CN104391011A (en) | 2015-03-04 |
Family
ID=52608941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410608929.2A Pending CN104391011A (en) | 2014-11-04 | 2014-11-04 | Condensation sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104391011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646471A (en) * | 2019-09-29 | 2020-01-03 | 杭州铂得科技有限公司 | Microenvironment intelligent monitoring device and microenvironment intelligent monitoring system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118547A (en) * | 1990-09-10 | 1992-04-20 | Glory Ltd | Humidity sensor |
| CN1063161A (en) * | 1991-04-09 | 1992-07-29 | 电子科技大学 | A kind of α-alundum (Al absolute humidity sensor that is used to detect micro-moisture |
| JP2007192628A (en) * | 2006-01-18 | 2007-08-02 | Canon Inc | Gas sensor |
-
2014
- 2014-11-04 CN CN201410608929.2A patent/CN104391011A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118547A (en) * | 1990-09-10 | 1992-04-20 | Glory Ltd | Humidity sensor |
| CN1063161A (en) * | 1991-04-09 | 1992-07-29 | 电子科技大学 | A kind of α-alundum (Al absolute humidity sensor that is used to detect micro-moisture |
| JP2007192628A (en) * | 2006-01-18 | 2007-08-02 | Canon Inc | Gas sensor |
Non-Patent Citations (3)
| Title |
|---|
| HTTP://WWW.DOC88.COM/P-981346715443.HTML: "元器件检测", 《道客巴巴网》 * |
| HTTP://WWW.DOCIN.COM/P-257912736.HTML: "湿度检测开关传感器使用说明书", 《豆丁网》 * |
| 何鹏: "结露传感器及其应用", 《传感器世界》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646471A (en) * | 2019-09-29 | 2020-01-03 | 杭州铂得科技有限公司 | Microenvironment intelligent monitoring device and microenvironment intelligent monitoring system |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |