JPH0191272U - - Google Patents
Info
- Publication number
- JPH0191272U JPH0191272U JP18702387U JP18702387U JPH0191272U JP H0191272 U JPH0191272 U JP H0191272U JP 18702387 U JP18702387 U JP 18702387U JP 18702387 U JP18702387 U JP 18702387U JP H0191272 U JPH0191272 U JP H0191272U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- electrodes
- liquid
- sensing sensor
- sensor according
- 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
Links
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 5
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Description
図面はこの考案の一実施例を示し、第1図はこ
の考案を実施する自動販売機の正面図、第2図は
この考案の要部を説明するための側断面図、第3
図は電極の部分を示すケース体の斜視図であり、
第4図はコーテイング材を塗布させた電極の部分
の拡大断面図、第5図は回路図、第6図は他の実
施例を示す斜視図である。
1……自動販売機、2……投入口、5……通路
、7……感知手段、8,18……ケース体、9,
10,19,20……電極、11……基板、12
……抵抗、13……トランジスター、14……ス
イツチング回路、15……コーテイング材、16
,16……細孔ないし小間隙。
The drawings show one embodiment of this invention, and FIG. 1 is a front view of a vending machine implementing this invention, FIG. 2 is a side sectional view for explaining the main parts of this invention, and FIG.
The figure is a perspective view of the case body showing the electrode part.
FIG. 4 is an enlarged sectional view of a portion of the electrode coated with a coating material, FIG. 5 is a circuit diagram, and FIG. 6 is a perspective view showing another embodiment. 1... Vending machine, 2... Inlet, 5... Passageway, 7... Sensing means, 8, 18... Case body, 9,
10, 19, 20...electrode, 11...substrate, 12
...Resistor, 13...Transistor, 14...Switching circuit, 15...Coating material, 16
, 16... Pore or small gap.
Claims (1)
電極間に導電性の液体が接触することにより、該
液体の通過を感知するものにおいて、前記電極の
少なくとも一方のものに、絶縁性と疎水性を有す
るコーテイング材を多数の細孔ないし小間隙が生
ずるようにコーテイングさせたことを特徴とする
、液体感知センサー。 (2) 前記電極が前記通路に他の部材の通過を妨
げない程度に設けた窪所内に設置されていること
を特徴とする、実用新案登録請求の範囲第1項記
載の液体感知センサー。 (3) 前記電極の一方が通路それ自体であること
を特徴とする、実用新案登録請求の範囲第1項記
載の液体感知センサー。[Claims for Utility Model Registration] (1) A pair of electrodes are provided in a liquid passage, and passage of a conductive liquid is sensed by contact between the electrodes, in which at least one of the electrodes A liquid sensing sensor characterized in that one of the sensors is coated with a coating material having insulating and hydrophobic properties so as to form a large number of pores or small gaps. (2) The liquid sensing sensor according to claim 1, wherein the electrode is installed in a recess provided in the passage to an extent that does not obstruct the passage of other members. (3) The liquid sensing sensor according to claim 1, wherein one of the electrodes is a passage itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18702387U JPH0191272U (en) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18702387U JPH0191272U (en) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191272U true JPH0191272U (en) | 1989-06-15 |
Family
ID=31478211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18702387U Pending JPH0191272U (en) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191272U (en) |
-
1987
- 1987-12-08 JP JP18702387U patent/JPH0191272U/ja active Pending