CN206609509U - Ultrasonic flowmeter - Google Patents
Ultrasonic flowmeter Download PDFInfo
- Publication number
- CN206609509U CN206609509U CN201720255647.8U CN201720255647U CN206609509U CN 206609509 U CN206609509 U CN 206609509U CN 201720255647 U CN201720255647 U CN 201720255647U CN 206609509 U CN206609509 U CN 206609509U
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- mounting groove
- ultrasonic
- ultrasonic probe
- cover plate
- flow tube
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Abstract
The utility model is related to a kind of ultrasonic flowmeter, including flow tube, the first ultrasonic probe, the first reflecting plate, the second ultrasonic probe, the second reflecting plate and ultrasonic signal process circuit plate.Flow tube side wall is provided with the first mounting groove, the second mounting groove and the 3rd mounting groove.First ultrasonic probe is arranged in the first mounting groove, and the first reflecting plate is inclined in the pipeline of flow tube and its position is corresponding to the first ultrasonic probe.Second ultrasonic probe is arranged in the second mounting groove.Second reflecting plate is inclined in the pipeline of flow tube and its position is corresponding to the second ultrasonic probe.Ultrasonic signal process circuit plate is arranged in the 3rd mounting groove and electrically connected with the first ultrasonic probe, the second ultrasonic probe.First ultrasonic probe, the second ultrasonic probe, ultrasonic signal process circuit plate are arranged in the side wall of flow tube, can so reduce the volume of ultrasonic flowmeter, disclosure satisfy that the small size requirements of installation space in small household appliance.
Description
Technical field
The utility model is related to a kind of flowmeter, more particularly to a kind of ultrasonic flowmeter.
Background technology
Ultrasonic flowmeter is that the spread speed of the ultrasonic beam in flow of fluid can change, and then fast according to propagating
Spend the device of measure of the change fluid volume.Wherein, ultrasonic flowmeter include flow tube, the ultrasonic probe that is installed in flow tube and
Control panel is handled with the ultrasonic signal that ultrasonic probe is electrically connected with.It is split type that ultrasonic signal, which handles control panel with flow tube,
Design, the overall space-consuming of ultrasonic flowmeter is larger, it is difficult to which the small size installing space for being satisfied with small household appliance will
Ask.
Utility model content
Based on this, it is necessary to which overcoming the defect of prior art, there is provided a kind of ultrasonic flowmeter of small volume, Neng Gouman
It is enough to the small size requirements of installation space of small household appliance.
Its technical scheme is as follows：A kind of ultrasonic flowmeter, including：Flow tube, the side wall of flow tube is along its axial direction
On offer be further opened with the 3rd mounting groove on the first mounting groove and the second mounting groove, the side wall of flow tube successively；The first surpass
Sonic probe and the first reflecting plate, first ultrasonic probe are arranged in first mounting groove, first reflecting plate
Axial direction relative to flow tube is inclined in the pipeline of flow tube, and first reflecting plate is in the pipeline
Position it is corresponding with first ultrasonic probe；Second ultrasonic probe and the second reflecting plate, second ultrasonic wave are visited
Head is arranged in second mounting groove, and second reflecting plate is inclined at described relative to the axial direction of flow tube
In the pipeline of flow tube, position of second reflecting plate in the pipeline is corresponding with second ultrasonic probe；And it is super
Acoustic signals process circuit plate, the ultrasonic signal process circuit plate is arranged in the 3rd mounting groove, the ultrasonic wave
Signal processing circuit plate is electrically connected with first ultrasonic probe, second ultrasonic probe.
Above-mentioned ultrasonic flowmeter, ultrasonic signal is launched to the first reflecting plate, second by the first ultrasonic probe
Ultrasonic probe launches ultrasonic signal to the second reflecting plate, obtains the time difference of ultrasonic signal, according to time difference method principle just
The flow velocity for obtaining water in flow tube can be calculated.Wherein, the first ultrasonic probe, the second ultrasonic probe, ultrasonic signal processing
Wiring board is separately positioned in the first mounting groove, the second mounting groove and the 3rd mounting groove, just can so greatly reduce ultrasonic wave
The volume of flowmeter so that ultrasonic flowmeter disclosure satisfy that the small size requirements of installation space in small household appliance.
In one of the embodiments, the first installation groove bottom wall is provided with the first opening being connected with the pipeline
Area, the end of first ultrasonic probe is extend into the pipeline by first open region；Second mounting groove
Bottom wall is provided with the second open region being connected with the pipeline, and the end of second ultrasonic probe is open by described second
Area is extend into the pipeline.Because the first ultrasonic probe end, the second ultrasonic probe end are stretched in pipeline, with
Fluid in pipeline is in contact, so enable to transmitting-receiving ultrasonic signal it is stronger, measurement sensitivity is higher.
In one of the embodiments, the first ultrasonic probe lateral wall is arranged with the first sealing ring, described first
Sealing ring is arranged in first mounting groove；The second ultrasonic probe lateral wall is arranged with the second sealing ring, described
Two sealing rings are arranged in second mounting groove.In this way, the first sealing ring, the second sealing ring are respectively by the first open region,
Two open regions are sealed, and ensure that the higher watertightness of flow tube side wall.
In one of the embodiments, described ultrasonic flowmeter also includes being located at first mounting groove for lid
The first cover plate and be located at the second cover plate on second mounting groove for covering, first cover plate, second cover plate can
Dismounting is arranged on the side wall of flow tube.First cover plate, the second cover plate can be respectively by the first ultrasonic probe, the second ultrasounds
Ripple probe is fixed in the first mounting groove, the second mounting groove.
In one of the embodiments, first cover plate is provided with the first encapsulating being connected with first mounting groove
Hole, first ultrasonic probe is fixed in first mounting groove by casting glue；Second cover plate is provided with and institute
The second glue filling opening that the second mounting groove is connected is stated, second ultrasonic probe is fixed on described second by casting glue to be installed
In groove.In this way, the first ultrasonic probe, the second ultrasonic probe will be fixed on to respectively by the first cover plate, the second cover plate
After in one mounting groove, the second mounting groove, casting glue is poured into the first mounting groove by the first glue filling opening, and fill by second
Glue hole pours into casting glue into the second mounting groove, between casting glue can be blocked between the first ultrasonic probe and the first mounting groove
Gap between gap and the second ultrasonic probe and the second mounting groove, so as to just can make flow tube that there is higher watertightness.
In one of the embodiments, described ultrasonic flowmeter also includes being located at the 3rd mounting groove for lid
The 3rd cover plate, the 3rd cover plate is detachably arranged on the side wall of flow tube.
In one of the embodiments, first cover plate, second cover plate and the integrated knot of the 3rd cover plate
Structure.
In one of the embodiments, the 3rd cover plate is provided with the 3rd glue filling opening, the ultrasonic signal process circuit
Plate is fixed in the 3rd mounting groove by casting glue.
In one of the embodiments, the ultrasonic signal process circuit plate is electrically connected with flow velocity output signal line,
The flow velocity output signal line is reached outside the 3rd mounting groove by the 3rd glue filling opening.Flow velocity output signal line can
To be electrically connected to display device, the flow velocity obtained as measured by display device by ultrasonic flowmeter is shown.
In one of the embodiments, the 3rd mounting groove is arranged on first mounting groove and second mounting groove
Between, the ultrasonic signal process circuit plate is electrically connected with first ultrasonic probe by the first probe signal line, with
And second ultrasonic probe is electrically connected with by the second probe signal line.
Brief description of the drawings
Fig. 1 is the structure of ultrasonic flowmeter schematic diagram described in the utility model embodiment；
Fig. 2 is schematic cross-sections of the Fig. 1 along the axial direction of flow tube.
10th, flow tube, 101, pipeline, the 11, first mounting groove, the 111, first open region, the 12, second mounting groove, 121, second
Open region, the 13, the 3rd mounting groove, the 20, first ultrasonic probe, the 21, first sealing ring, the 30, first reflecting plate, 40, the second surpass
Sonic probe, the 41, second sealing ring, the 50, second reflecting plate, 60, ultrasonic signal process circuit plate, 61, flow velocity output signal
Line, the 62, first probe signal line, the 63, second probe signal line, the 71, first cover plate, the 711, first glue filling opening, the 72, second lid
Plate, the 721, second glue filling opening, the 73, the 3rd cover plate, the 731, the 3rd glue filling opening, 80, casting glue.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
At least one this feature can be expressed or be implicitly included to the feature of " first ", " second ".In description of the present utility model,
" multiple " are meant that at least two, such as two, three etc., unless otherwise specifically defined.
, can be with when an element is considered as " connection " another element it should be noted that in embodiment described above
It is directly to another element or may be simultaneously present intermediary element.On the contrary, when element for be referred to as " direct " with it is another
When element is connected, in the absence of intermediary element.
As shown in Figures 1 and 2, a kind of ultrasonic flowmeter, including：Flow tube 10, the reflection of the first ultrasonic probe 20, first
Plate 30, the second ultrasonic probe 40, the second reflecting plate 50 and ultrasonic signal process circuit plate 60.The side wall edge of flow tube 10
The first mounting groove 11 and the second mounting groove 12 are offered on its axial direction successively.Is further opened with the side wall of flow tube 10
Three mounting grooves 13.First ultrasonic probe 20 is arranged in first mounting groove 11, and first reflecting plate 30 is relative
It is inclined in the axial direction of flow tube 10 in the pipeline 101 of flow tube 10, first reflecting plate 30 is described
Position in pipeline 101 is corresponding with first ultrasonic probe 20.Second ultrasonic probe 40 is arranged on described
In two mounting grooves 12.Second reflecting plate 50 is inclined at flow tube 10 relative to the axial direction of flow tube 10
In pipeline 101, position of second reflecting plate 50 in the pipeline 101 is corresponding with second ultrasonic probe 40.
The ultrasonic signal process circuit plate 60 is arranged in the 3rd mounting groove 13, the ultrasonic signal process circuit plate 60
It is electrically connected with first ultrasonic probe 20, second ultrasonic probe 40.
Above-mentioned ultrasonic flowmeter, ultrasonic signal is launched to the first reflecting plate 30 by the first ultrasonic probe 20,
Second ultrasonic probe 40 launches ultrasonic signal to the second reflecting plate 50, the time difference of ultrasonic signal is obtained, according to the time difference
Method principle just can calculate the flow velocity for obtaining water in flow tube 10.Wherein, the first ultrasonic probe 20, the second ultrasonic probe 40,
Ultrasonic signal process circuit plate 60 is separately positioned in the first mounting groove 11, the second mounting groove 12 and the 3rd mounting groove 13, this
Sample just can greatly reduce the volume of ultrasonic flowmeter so that ultrasonic flowmeter disclosure satisfy that in the small of small household appliance
Size requirements of installation space.
In the present embodiment, the bottom wall of the first mounting groove 11 is provided with the first open region being connected with the pipeline 101
111, the end of first ultrasonic probe 20 is extend into the pipeline 101 by first open region 111.Described
The bottom wall of two mounting groove 12 is provided with the second open region 121 being connected with the pipeline 101, the end of second ultrasonic probe 40
Portion is extend into the pipeline 101 by second open region 121.Due to the end of the first ultrasonic probe 20, the second ultrasound
40 ends of ripple probe are stretched in pipeline 101, are in contact with the fluid in pipeline 101, are so enabled to the ultrasound of transmitting-receiving
Ripple signal is stronger, and measurement sensitivity is higher.
In addition, the lateral wall of the first ultrasonic probe 20 is arranged with the first sealing ring 21, and first sealing ring 21
It is arranged in first mounting groove 11.The lateral wall of second ultrasonic probe 40 is arranged with the second sealing ring 41, described
Two sealing rings 41 are arranged in second mounting groove 12.In this way, the first sealing ring 21, the second sealing ring 41 are opened first respectively
Mouth region 111, the second open region 121 are sealed, and ensure that the higher watertightness of the side wall of flow tube 10.
Further, described ultrasonic flowmeter also includes being used to cover the first lid being located on first mounting groove 11
Plate 71 and the second cover plate 72 being located at for lid on second mounting groove 12.First cover plate 71, second cover plate 72
It is detachably arranged on the side wall of flow tube 10.First cover plate 71, the second cover plate 72 can be respectively by the first ultrasonic probes
20th, the second ultrasonic probe 40 is fixed in the first mounting groove 11, the second mounting groove 12.
Further, first cover plate 71 is provided with the first glue filling opening being connected with first mounting groove 11
711, first ultrasonic probe 20 is fixed in first mounting groove 11 by casting glue 80.On second cover plate 72
Provided with the second glue filling opening 721 being connected with second mounting groove 12, second ultrasonic probe 40 passes through casting glue 80
It is fixed in second mounting groove 12.In this way, respectively will be by the first ultrasonic probe by the first cover plate 71, the second cover plate 72
20th, after the second ultrasonic probe 40 is fixed in the first mounting groove 11, the second mounting groove 12, by the first glue filling opening 711 to
Casting glue 80 is poured into one mounting groove 11, and casting glue 80 is poured into the second mounting groove 12 by the second glue filling opening 721, is filled
Sealing 80 can block gap between the first ultrasonic probe 20 and the first mounting groove 11 and the second ultrasonic probe 40 with
Gap between second mounting groove 12, so as to just can make flow tube 10 that there is higher watertightness.
In addition, described ultrasonic flowmeter also includes being used to cover the 3rd cover plate being located on the 3rd mounting groove 13
73, the 3rd cover plate 73 is detachably arranged on the side wall of flow tube 10.
Wherein, first cover plate 71, second cover plate 72 and the 3rd cover plate 73 are integrated.
In addition, the 3rd cover plate 73 is provided with the 3rd glue filling opening 731, the ultrasonic signal process circuit plate 60 is by filling
Sealing 80 is fixed in the 3rd mounting groove 13.The ultrasonic signal process circuit plate 60 is electrically connected with flow velocity output letter
Number line 61.The flow velocity output signal line 61 is reached outside the 3rd mounting groove 13 by the 3rd glue filling opening 731.Stream
Fast output signal line 61 can be electrically connected to display device, the flow velocity obtained as measured by display device by ultrasonic flowmeter
Shown.
In the present embodiment, the 3rd mounting groove 13 be arranged on first mounting groove 11 and second mounting groove 12 it
Between.The ultrasonic signal process circuit plate 60 is electrically connected with first ultrasonic probe by the first probe signal line 62
20, and second ultrasonic probe 40 is electrically connected with by the second probe signal line 63.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of ultrasonic flowmeter, it is characterised in that including：
Flow tube, the side wall of flow tube offers the first mounting groove and the second mounting groove, the stream along along its axial direction successively
The 3rd mounting groove is further opened with the side wall of pipe；
First ultrasonic probe and the first reflecting plate, first ultrasonic probe are arranged in first mounting groove, described
First reflecting plate is inclined in the pipeline of flow tube relative to the axial direction of flow tube, and first reflecting plate exists
Position in the pipeline is corresponding with first ultrasonic probe；
Second ultrasonic probe and the second reflecting plate, second ultrasonic probe are arranged in second mounting groove, described
Second reflecting plate is inclined in the pipeline of flow tube relative to the axial direction of flow tube, and second reflecting plate exists
Position in the pipeline is corresponding with second ultrasonic probe；And
Ultrasonic signal process circuit plate, the ultrasonic signal process circuit plate is arranged in the 3rd mounting groove, described
Ultrasonic signal process circuit plate is electrically connected with first ultrasonic probe, second ultrasonic probe.
2. ultrasonic flowmeter according to claim 1, it is characterised in that described first install groove bottom wall be provided with it is described
The first open region that pipeline is connected, the end of first ultrasonic probe extend into the pipe by first open region
In road；The second installation groove bottom wall is provided with the second open region being connected with the pipeline, second ultrasonic probe
End is extend into the pipeline by second open region.
3. ultrasonic flowmeter according to claim 2, it is characterised in that the first ultrasonic probe lateral wall is arranged
There is the first sealing ring, first sealing ring is arranged in first mounting groove；The second ultrasonic probe lateral wall set
Provided with the second sealing ring, second sealing ring is arranged in second mounting groove.
4. the ultrasonic flowmeter according to Claims 2 or 3, it is characterised in that also including being located at described first for covering
The first cover plate on mounting groove and for covering the second cover plate being located on second mounting groove, first cover plate, described the
Two cover plates are detachably arranged on the side wall of flow tube.
5. ultrasonic flowmeter according to claim 4, it is characterised in that first cover plate is provided with and described first
The first glue filling opening that mounting groove is connected, first ultrasonic probe is fixed in first mounting groove by casting glue；
Second cover plate is provided with the second glue filling opening being connected with second mounting groove, and second ultrasonic probe is by filling
Sealing is fixed in second mounting groove.
6. ultrasonic flowmeter according to claim 4, it is characterised in that also including being located at the 3rd installation for covering
The 3rd cover plate on groove, the 3rd cover plate is detachably arranged on the side wall of flow tube.
7. ultrasonic flowmeter according to claim 6, it is characterised in that first cover plate, second cover plate and
3rd cover plate is integrated.
8. ultrasonic flowmeter according to claim 6, it is characterised in that the 3rd cover plate is provided with the 3rd glue filling opening,
The ultrasonic signal process circuit plate is fixed in the 3rd mounting groove by casting glue.
9. ultrasonic flowmeter according to claim 8, it is characterised in that the ultrasonic signal process circuit plate is electrical
Flow velocity output signal line is connected with, the flow velocity output signal line reaches the 3rd mounting groove by the 3rd glue filling opening
It is outside.
10. ultrasonic flowmeter according to claim 1, it is characterised in that the 3rd mounting groove is arranged on described
Between one mounting groove and second mounting groove, the ultrasonic signal process circuit plate is electrically connected by the first probe signal line
First ultrasonic probe is connect, and second ultrasonic probe is electrically connected with by the second probe signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720255647.8U CN206609509U (en) | 2017-03-14 | 2017-03-14 | Ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720255647.8U CN206609509U (en) | 2017-03-14 | 2017-03-14 | Ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206609509U true CN206609509U (en) | 2017-11-03 |
Family
ID=60166097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720255647.8U Active CN206609509U (en) | 2017-03-14 | 2017-03-14 | Ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206609509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084890A (en) * | 2018-09-06 | 2018-12-25 | 广东奥迪威传感科技股份有限公司 | Ultrasonic sensor and its production method |
| CN110487341A (en) * | 2019-07-23 | 2019-11-22 | 广东美的白色家电技术创新中心有限公司 | Ultrasonic flowmeter and its manufacturing method |
-
2017
- 2017-03-14 CN CN201720255647.8U patent/CN206609509U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084890A (en) * | 2018-09-06 | 2018-12-25 | 广东奥迪威传感科技股份有限公司 | Ultrasonic sensor and its production method |
| CN109084890B (en) * | 2018-09-06 | 2023-10-27 | 广东奥迪威传感科技股份有限公司 | Ultrasonic sensor and method for producing the same |
| CN110487341A (en) * | 2019-07-23 | 2019-11-22 | 广东美的白色家电技术创新中心有限公司 | Ultrasonic flowmeter and its manufacturing method |
| CN110487341B (en) * | 2019-07-23 | 2021-09-14 | 广东美的白色家电技术创新中心有限公司 | Ultrasonic flowmeter and method for manufacturing same |
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