CN2896232Y - External connection device of electric signals - Google Patents
External connection device of electric signals Download PDFInfo
- Publication number
- CN2896232Y CN2896232Y CN 200620115408 CN200620115408U CN2896232Y CN 2896232 Y CN2896232 Y CN 2896232Y CN 200620115408 CN200620115408 CN 200620115408 CN 200620115408 U CN200620115408 U CN 200620115408U CN 2896232 Y CN2896232 Y CN 2896232Y
- Authority
- CN
- China
- Prior art keywords
- water meter
- waterproof material
- magnetic patch
- electric signal
- magneto sensor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an electric signal external device that is used in the water meter which comprises a magnet that is positioned in the water meter display zone and is fixed at the top of the water meter rotation shaft and is sealed up with waterproof material, and two magnetic sensitive elements that are respectively arranged at two sides of the magnet at an equal angle and positioned in the tube cavity that is made of waterproof material and is mounted on the water meter shell. Lead wires of the magnetic sensitive elements are led out form the water meter shell. The device has the waterproof and damp-proof functions, thereby benefiting normal work of the water meter, reducing maintenance and extending durability of the water meter.
Description
Technical field
The utility model relates to a kind of outer connecting device of electric signal, particularly a kind of electric signal outer connecting device that is used for water meter.
Background technology
Water meter is a kind of instrument of widely used water measurement amount.Water meter all is mechanical for a long time, but on the water consumption of making a copy of the user, drop into great amount of manpower, the time.The digital water meter of Chu Xianing has effectively solved the problems referred to above in recent years, and can realize making a copy of at a distance and purchasing in advance water consumption.But there is a defective in existing digital water meter, and the magnetic patch and the tongue tube that promptly are used for detecting are to be exposed to water, perhaps under the environment of humidity, time one is long, and magnetic patch and tongue tube will be corroded, and influence the operate as normal of water meter, and in case damage is keeped in repair very difficult again.
Summary of the invention
The purpose of this utility model is to provide a kind of outer connecting device that can overcome the electric signal of prior art defective.
Above-mentioned purpose of the present utility model is to realize by following solution.
According to electric signal outer connecting device of the present utility model comprise a viewing area internal fixation that is positioned at water meter on water meter rotating shaft top with the magnetic patch of waterproof material encapsulation, with two equal angles magnetic patch both sides that are placed in, place the intraluminal magneto sensor made from waterproof material that is fixed on the water meter case, the lead-in wire of magneto sensor is drawn through water meter case.
When water meter uses, the water meter rotating shaft is rotated, magnetic patch on it rotates with it, whenever through magneto sensor the time, because the magnetic force of magnetic patch will make the conducting (disconnection) of magneto sensor, after magnetic patch turns round, make its disconnection (conducting), form pulse signal thus, this signal is delivered to the water usage data that treating apparatus is processed into the user through the lead-in wire of magneto sensor.
Obviously can not touch water according to electric signal outer connecting device of the present utility model, not influenced by wet environment, help the operate as normal of water meter, reduce maintenance, prolong the tenure of use of water meter.
Above-mentioned purpose of the present utility model and other purpose and advantage thereof will be more readily apparent from by following detailed description to embodiment shown in the drawings, and accompanying drawing has:
Description of drawings
Fig. 1 is contained in partial sectional view on the water meter according to electric signal outer connecting device of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Embodiment
See figures.1.and.2 explanation according to electric signal outer connecting device of the present utility model, as shown in the figure, shown in Figure 1 is the cut-open view that the water meter partial structurtes of electric signal outer connecting device are housed, it has a water meter case 1 and a table to cover 2, an O-ring seal 3 is arranged in the housing 1, be spacer ring 4 on it, the top of spacer ring is respectively cover glass 5 and O-ring seal 6.Water meter also has a rotating shaft 7, fin in this rotating shaft other end and the watch core (not shown) that joins, driving fin after water enters water meter rotates, rotating shaft 7 is also rotated thereupon, and the top of rotating shaft 7 is fixed one and used waterproof material, for example, PVC, the indicating head of making 8 that is used to place magnetic patch 9 is sealed with fluid sealant (for example, epoxy resin) after magnetic patch 9 is put into.The profile of indicating head 8 should be easy to explanation, and can coat eye-catching color, for example, and redness.
Continue to see figures.1.and.2, two bases 10 from magneto sensor 11 to projecting inward being used to that radially place are arranged on the spacer ring 4, two bases 10 are that the separatrix disposes by equal angles with magnetic patch 9, and base 10 usefulness waterproof materials are made, for example, PVC, the sealing of its end, other end opening (is for example used fluid sealant after magneto sensor is put into, epoxy resin) seal, but do not comprise lead-in wire 12.The aperture 13 of the lead-in wire 12 of magneto sensor on shell spare 1 is drawn out to treating apparatus along the outer rim of housing 1, is processed into user's water consumption.
The applicant is described in detail design of the present utility model and embodiment; the professional and technical personnel can make various conversion and improvement on this basis; but these conversion and improvement all do not break away from spirit of the present utility model, all within the protection domain that claims limited.
Claims (2)
1, a kind of electric signal outer connecting device, it is characterized in that comprising a viewing area internal fixation that is positioned at water meter on water meter rotating shaft top with the magnetic patch of waterproof material encapsulation, with two equal angles magnetic patch both sides that are placed in, place the intraluminal magneto sensor made from waterproof material that is fixed on the water meter case, the lead-in wire of magneto sensor is drawn through water meter case.
2, according to the described electric signal outer connecting device of claim 1, the magnetic patch with the waterproof material encapsulation shown in it is characterized in that is the indicating head made from waterproof material, magnetic patch is put into and sealed with fluid sealant; The tube chamber made from waterproof material is end sealing, and the base of other end opening, magneto sensor are put into the back and sealed with fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620115408 CN2896232Y (en) | 2006-05-16 | 2006-05-16 | External connection device of electric signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620115408 CN2896232Y (en) | 2006-05-16 | 2006-05-16 | External connection device of electric signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2896232Y true CN2896232Y (en) | 2007-05-02 |
Family
ID=38065808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620115408 Expired - Fee Related CN2896232Y (en) | 2006-05-16 | 2006-05-16 | External connection device of electric signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2896232Y (en) |
-
2006
- 2006-05-16 CN CN 200620115408 patent/CN2896232Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 |