CN204064358U - A kind of ultrasonic water flow sensor - Google Patents
A kind of ultrasonic water flow sensor Download PDFInfo
- Publication number
- CN204064358U CN204064358U CN201420400609.3U CN201420400609U CN204064358U CN 204064358 U CN204064358 U CN 204064358U CN 201420400609 U CN201420400609 U CN 201420400609U CN 204064358 U CN204064358 U CN 204064358U
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- groove
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- flow sensor
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Abstract
The utility model relates to a kind of ultrasonic water flow sensor, and described sensor comprises shell, and shell is provided with two grooves, groove is arranged along the direction of housing axis, and symmetrical centered by the axis of housing, instrument of being convenient to when picking and placeing inserts sensor, and what make sensor picks and places convenience, the curved surface that groove is connected with housing is provided with anti-slip veins, the side that the bottom of groove is provided with the second groove or bottom portion of groove that the degree of depth is greater than depth of groove is provided with the 3rd groove, make picking and placeing of sensor more convenient, effectively avoid instrument slippage in fetching process, ceramic chips and wiring board is provided with in housing, wiring board is connected with wire, ceramic chips is bonding with the inwall of sealing cap by adhesive linkage, ceramic chips and wiring board are sealed in housing by casting glue, the sidewall of housing is provided with near one end of sealing cap for holding O-ring seal ring groove, make the accuracy of detection of sensor high, high to the Detection accuracy of miniflow, and long service life.
Description
Technical field
The utility model relates to a kind of sensor, is applicable to water meter, is particularly useful for adopting time difference method to measure the water meter of miniflow, specifically, relates to a kind of ultrasonic water flow sensor, belongs to ultrasonic sensor technical field.
Background technology
With the high speed development of Chinese national economy; increasing to the demand of resource; since experienced by global financial crisis; in order to ensure the sustainable development of Chinese national economy; economize energy is put on agenda already; country increases energy-conservation dynamics, has put into effect corresponding laws and regulations, and stepped water pricing accurate measurement charge is imperative.
Tradition water flow sensor cannot detect the current of micrometeor, and utilized by one or two people, cause the loss of national wealth, in order to improve the accuracy of detection of discharge, ultrasonic water flow sensor is more and more applied to family water meter, at present,
At present, there is comparatively big error in the detection of ultrasonic wave water flow sensor to miniflow on market, accuracy of detection is low, and easily break down, serviceable life is low, and the housing of ultrasonic water flow sensor column structure ringwise, smooth outer surface, is arranged in water meter, when a failure occurs, need to be taken out and carry out detecting or keeping in repair, due to smooth outer surface, and compare with tube fit closely, take out difficulty, easily cause the damage of sensor, cause unnecessary loss.
Utility model content
Problem to be solved in the utility model is for above problem, a kind of ultrasonic water flow sensor is provided, solve in prior art and pick and place inconvenience, easily cause the defect of damage, after adopting sensor of the present utility model, have and pick and place advantage easily, and the accuracy of detection of described ultrasonic water flow sensor is high, long service life.
For solving the problem, the technical scheme that the utility model adopts is: a kind of ultrasonic water flow sensor, comprises housing, and housing comprises bottom and sidewall, it is characterized in that: described housing is provided with groove;
Described groove is arranged on the one end away from housing bottom in housing sidewall vertically;
Described groove is provided with two, and two grooves are symmetrical arranged centered by the axis of housing.
A kind of prioritization scheme, the curved surface that described groove is connected with housing is provided with anti-slip veins.
Another kind of prioritization scheme, the bottom of described groove is provided with the second groove;
Described second groove is greater than the degree of depth of groove along housing radial direction along the degree of depth of housing radial direction.
Another prioritization scheme, the side of described bottom portion of groove is provided with the 3rd groove, and two the 3rd grooves are symmetrical arranged centered by the axis of housing;
The 4th groove is provided with between described 3rd groove and housing one end away from bottom;
Described 3rd groove is less than the length of groove along housing axis along the length of housing axis;
Described 3rd groove is greater than the degree of depth of the 4th groove along housing radial direction along the degree of depth of housing radial direction.
Further prioritization scheme, the bottom of described housing is connected with sealing cap, is provided with ceramic chips and wiring board, wiring board is connected with wire in housing, ceramic chips is bonding with the inwall of sealing cap by adhesive linkage, and ceramic chips and wiring board are sealed in housing by casting glue;
The sidewall of described housing is provided with for holding O-ring seal ring groove near one end of sealing cap.
The utility model takes above technical scheme, has the following advantages: described sensor comprises shell, and shell is provided with two grooves, groove is arranged along the direction of housing axis, and symmetrical centered by the axis of housing, instrument of being convenient to when picking and placeing inserts sensor, and what make sensor picks and places convenience, the curved surface that groove is connected with housing is provided with anti-slip veins, the side that the bottom of groove is provided with the second groove or bottom portion of groove that the degree of depth is greater than depth of groove is provided with the 3rd groove, make picking and placeing of sensor more convenient, effectively avoid instrument slippage in fetching process, ceramic chips and wiring board is provided with in housing, wiring board is connected with wire, ceramic chips is bonding with the inwall of sealing cap by adhesive linkage, ceramic chips and wiring board are sealed in housing by casting glue, the sidewall of housing is provided with near one end of sealing cap for holding O-ring seal ring groove, make the accuracy of detection of sensor high, high to the Detection accuracy of miniflow, and long service life.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of ultrasonic water flow sensor in the utility model embodiment 1;
Accompanying drawing 2 is sectional structure schematic diagram of ultrasonic water flow sensor in the utility model embodiment 1;
Accompanying drawing 3 is structural representations of ultrasonic water flow sensor in the utility model embodiment 2;
Accompanying drawing 4 is structural representations of ultrasonic water flow sensor in the utility model embodiment 3;
In figure:
1-housing, 2-sealing cap, 3-ceramic chips, 4-wiring board, 5-wire, 6-adhesive linkage, 7-casting glue, 8-ring groove, 9-groove, 10-anti-slip veins, 11-second groove, 12-the 3rd groove, 13-the 4th groove.
Embodiment
Embodiment 1, as depicted in figs. 1 and 2, a kind of ultrasonic water flow sensor, comprise shell, shell is made up of the housing 1 be tightly connected and sealing cap 2, and described housing 1 comprises bottom and sidewall, sealing cap 2 is fixedly installed on the bottom outside of housing 1, and the sidewall of described housing 1 is hollow tubular.
Ceramic chips 3 and wiring board 4 is provided with in described shell, wiring board 4 is connected with wire 5, wire 5 stretches out beyond shell, ceramic chips 3 is bonding with the inwall of sealing cap 2 by adhesive linkage 6, ceramic chips 3 and wiring board 4 is sealed in housing 1 by casting glue 7.
Sidewall one end bottom housing 1 of described housing 1 is provided with ring groove 8, and described ring groove 8 is for holding O-ring seal.
The other end of described housing 1 sidewall is provided with groove 9, described groove 9 is provided with two, two grooves 9 are symmetrical arranged centered by the axis of housing 1, described groove 9 is arranged along the axis direction of housing 1, the cross sectional shape of groove 9 is semicircle, be convenient to processing, described groove 9 be arranged so that sensor needs can instrument be used easily to take out when taking out loading after water meter.
In order to improve the friction force between instrument and sensor, make the taking-up of sensor more convenient, the curved surface that groove 9 is connected with housing 1 is provided with anti-slip veins 10.
According to actual conditions etc., groove 9 also can adopt other shapes, as long as can realize holding taking-up instrument.
Embodiment 2, as shown in Figure 3, a kind of ultrasonic water flow sensor, the structure of described sensor is with embodiment 1, difference is that the bottom of described groove 9 is provided with the second groove 11, and described second groove 11 is greater than the degree of depth of groove 9 along housing 1 radial direction along the degree of depth of housing 1 radial direction.
During use, the tip of instrument may be stuck in the second groove 11, avoids instrument in sensor taking-up process to skid off, picks and places more convenient.
Embodiment 3, as shown in Figure 4, a kind of ultrasonic water flow sensor, the structure of described sensor is with embodiment 1, difference is that the bottom of described groove 9 is connected with the 3rd groove 12, described 3rd groove 12 is arranged on the side of groove 9, 3rd groove 12 is also be symmetrical arranged centered by the axis of housing 1, the 4th groove 13 is provided with between 3rd groove 12 and housing 1 one end away from bottom, described 3rd groove 12 is less than the length of groove 9 along housing 1 axis along the length of housing 1 axis, described 3rd groove 12 is greater than the degree of depth of the 4th groove 13 along housing 1 radial direction along the degree of depth of housing 1 radial direction, described 4th groove 13 along the degree of depth of housing 1 radial direction for holding the thickness of instrument.
During use, instrument inserts sensor by groove 9, then rotates, and the tip of instrument is stuck in the 3rd groove 12, avoids instrument in sensor taking-up process to skid off, picks and places more convenient.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a ultrasonic water flow sensor, comprises housing (1), and housing (1) comprises bottom and sidewall, it is characterized in that: described housing (1) is provided with groove (9);
Described groove (9) is arranged on the one end away from housing (1) bottom on housing (1) sidewall vertically;
Described groove (9) is provided with two, and two grooves (9) are symmetrical arranged centered by the axis of housing (1).
2. a kind of ultrasonic water flow sensor as claimed in claim 1, is characterized in that: the curved surface that described groove (9) is connected with housing (1) is provided with anti-slip veins (10).
3. a kind of ultrasonic water flow sensor as claimed in claim 1, is characterized in that: the bottom of described groove (9) is provided with the second groove (11);
Described second groove (11) is greater than the degree of depth of groove (9) along housing (1) radial direction along the degree of depth that housing (1) is radial.
4. a kind of ultrasonic water flow sensor as claimed in claim 1, is characterized in that: the side of described groove (9) bottom is provided with the 3rd groove (12), and two the 3rd grooves (12) are symmetrical arranged centered by the axis of housing (1);
The 4th groove (13) is provided with between described 3rd groove (12) and housing (1) one end away from bottom;
Described 3rd groove (12) is less than the length of groove (9) along housing (1) axis along the length that housing (1) is axial;
Described 3rd groove (12) is greater than the degree of depth of the 4th groove (13) along housing (1) radial direction along the degree of depth that housing (1) is radial.
5. as a kind of ultrasonic water flow sensor of claim 1-4 as described in one of them, it is characterized in that: the bottom of described housing (1) is connected with sealing cap (2), ceramic chips (3) and wiring board (4) is provided with in housing (1), wiring board (4) is connected with wire (5), ceramic chips (3) is bonding with the inwall of sealing cap (2) by adhesive linkage (6), and ceramic chips (3) and wiring board (4) are sealed in housing (1) by casting glue (7);
The sidewall of described housing (1) is provided with for holding O-ring seal ring groove (8) near one end of sealing cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400609.3U CN204064358U (en) | 2014-07-21 | 2014-07-21 | A kind of ultrasonic water flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400609.3U CN204064358U (en) | 2014-07-21 | 2014-07-21 | A kind of ultrasonic water flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064358U true CN204064358U (en) | 2014-12-31 |
Family
ID=52205846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420400609.3U Expired - Fee Related CN204064358U (en) | 2014-07-21 | 2014-07-21 | A kind of ultrasonic water flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490227A (en) * | 2016-02-20 | 2016-04-13 | 周栋 | Connector of cable protecting pipes |
| CN110948072A (en) * | 2019-11-25 | 2020-04-03 | 广东奥迪威传感科技股份有限公司 | Production process of closed ultrasonic sensor |
-
2014
- 2014-07-21 CN CN201420400609.3U patent/CN204064358U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490227A (en) * | 2016-02-20 | 2016-04-13 | 周栋 | Connector of cable protecting pipes |
| CN110948072A (en) * | 2019-11-25 | 2020-04-03 | 广东奥迪威传感科技股份有限公司 | Production process of closed ultrasonic sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |