CN212843782U - Electronic water meter - Google Patents
Electronic water meter Download PDFInfo
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- CN212843782U CN212843782U CN202021723147.0U CN202021723147U CN212843782U CN 212843782 U CN212843782 U CN 212843782U CN 202021723147 U CN202021723147 U CN 202021723147U CN 212843782 U CN212843782 U CN 212843782U
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Abstract
The utility model provides an electronic water meter relates to water gauge technical field for solve electronic water meter's photosensitive element and wet impaired, the technical problem that can not normally work. The electronic water meter comprises a mainboard and a cover plate arranged opposite to the mainboard, wherein the cover plate comprises a light-transmitting cover, and the light-transmitting cover is buckled outside a photosensitive element on the mainboard; it has sealed colloid to fill between light sensitive element and the printing opacity cover, and light sensitive element's photosensitive zone exposes outside sealed glue body, through the opening shutoff of sealed colloid with the printing opacity cover, make light sensitive element's photosensitive zone seal in the printing opacity cover, prevent dust and steam contact light sensitive element's photosensitive zone, guarantee that light sensitive element can normally work, and simultaneously, sealed colloid does not wrap light sensitive element's photosensitive zone, make light sensitive zone can accept light, guarantee that light sensitive element can normally work.
Description
Technical Field
The utility model relates to a water gauge technical field especially relates to an electronic water meter.
Background
The electronic water meter is a new water meter which measures the water flow by adopting the electronic or electromagnetic induction principle and transmits and settles the measured water flow. The electronic water meter comprises an ultrasonic water meter, an electromagnetic water meter, a Coriolis water meter, a jet water meter and the like. The electronic water meter has no mechanical moving part, high measurement precision, wide measurement range, high stability and reliability, low failure rate and convenient remote data communication, thereby being widely applied.
The electronic water meter comprises a shell, a measuring pipeline and electronic components, wherein an installation cavity is arranged inside the shell, and the measuring pipeline and the electronic components are arranged in the installation cavity. The measuring pipeline is used for measuring the water flow of the water pipe, each electronic component comprises a main board, a display element and a photosensitive element, the display element and the photosensitive element are electrically connected with the main board, the display element displays information such as the water flow measured by the measuring pipeline, the photosensitive element changes the electrical physical quantity of the photosensitive element according to the received light change, for example, the resistance value can be used as a light-operated switch in a circuit of the main board, and the on-off of the control circuit is controlled, so that the display element is controlled.
However, the photosensitive element is easily damaged by moisture during use, so that the photosensitive element cannot work normally.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the embodiment of the utility model provides an electronic water meter avoids photosensitive element to wet impaired, guarantees photosensitive element's normal work.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the embodiment of the utility model provides an electronic water meter, which comprises a mainboard and a cover plate arranged opposite to the mainboard, wherein the cover plate comprises a light-transmitting cover, and the light-transmitting cover is buckled outside a photosensitive element on the mainboard; and a sealing colloid is filled between the photosensitive element and the light-transmitting cover, and the photosensitive area of the photosensitive element is exposed outside the sealing colloid.
The embodiment of the utility model provides an electronic water meter has following advantage:
the embodiment of the utility model provides an electronic water meter includes the mainboard and the relative apron that sets up with the mainboard, and the mainboard is provided with light sensitive element, and the apron is including the printing opacity cover, and outside the light sensitive element was located to the printing opacity cover knot, make light sensitive element's photosensitive zone be arranged in the printing opacity cover, still pack between light sensitive element and the printing opacity cover and have sealed colloid, and light sensitive element's photosensitive zone exposes outside sealed glue body. The opening of the light-transmitting cover is sealed by the sealing colloid, so that the photosensitive area of the photosensitive element is sealed in the light-transmitting cover to prevent dust and water vapor from contacting the photosensitive area of the photosensitive element, and the damage and moisture prevention of the photosensitive area of the photosensitive element are realized; meanwhile, the sealing colloid does not coat the photosensitive area of the photosensitive element, so that the photosensitive area of the photosensitive element can receive light, and the photosensitive element can work normally.
In the electronic water meter, the electronic water meter further comprises a glue pouring shell, the glue pouring shell is provided with a glue pouring cavity, and one end of the glue pouring shell is provided with a first opening communicated with the glue pouring cavity; the main board and the cover plate are arranged in the glue filling cavity; the sealing colloid is filled between the main board and the glue filling cavity, between the cover plate and the glue filling cavity and between the main board and the cover plate.
In the electronic water meter, the cover plate is provided with the overflow glue baffle, the overflow glue baffle surrounds the light-transmitting cover, and the sealing glue is filled between the overflow glue baffle and the glue filling cavity.
In the electronic water meter, the overflow glue baffle is arranged at the edge of the cover plate and surrounds the cover plate.
In the electronic water meter, the electronic water meter further comprises an upper shell and a lower shell, the upper shell and the lower shell enclose a mounting cavity, and the mounting cavity is internally provided with the glue filling shell connected with the lower shell.
In the electronic water meter, the upper shell is also provided with the light hole; go up the casing and be provided with and be located the light screen of installation intracavity, the light screen encircles the light trap sets up, just the light screen is located the printing opacity cover with overflow and glue between the baffle.
In the electronic water meter, the light hole is a conical through hole, the small hole end of the conical through hole is close to the light screen, and the large hole end of the conical through hole is far away from the light screen.
In the electronic water meter, the cover plate is further provided with a support plate, the support plate and the light-transmitting cover are arranged on the same side of the cover plate, and the support plate abuts against the upper shell.
In the electronic water meter, the first end of the cover plate is provided with the extending part, and the extending part is provided with the first through hole; a fixing column is arranged in an area, corresponding to the extension portion, in the glue filling cavity, the fixing column is provided with a first threaded hole, and the glue filling shell is connected with the cover plate through a first screw which penetrates through the first through hole and is in threaded connection with the first threaded hole.
In the electronic water meter, the second end of the cover plate is provided with a limiting plate, and the limiting plate is provided with a counter bore; and a limiting column is arranged in the region of the glue filling cavity corresponding to the counter bore, one end of the limiting column is connected with the glue filling shell, and the other end of the limiting column extends into the counter bore.
In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, other technical problems, technical features included in technical solutions, and advantageous effects brought by the technical features that can be solved by the electronic water meter according to embodiments of the present invention will be described in further detail in specific embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an assembly schematic view of an upper housing and a lower housing according to an embodiment of the present invention;
fig. 2 is a simplified schematic diagram of an upper housing of an embodiment of the present invention;
fig. 3 is a schematic view illustrating an installation of a cover plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.
Description of reference numerals:
10. an upper housing; 11. A light-transmitting hole;
12. a visor; 20. A lower housing;
30. a mounting cavity; 40. Pouring a rubber shell;
41. a first opening; 50. A main board;
51. a photosensitive element; 60. A cover plate;
61. a light-transmitting cover; 62. An overflow glue baffle;
63. a support plate; 64. An extension portion;
65. a first through hole; 66. A limiting plate;
70. and (5) sealing the colloid.
Detailed Description
In order to avoid the damage of the photosensitive element due to moisture and ensure the normal operation of the photosensitive element, the cover plate in the embodiment comprises a light-transmitting cover, the light-transmitting cover is buckled outside the photosensitive element, a sealing colloid is filled between the light-transmitting cover and the photosensitive element, the photosensitive area of the photosensitive element is exposed out of the sealing colloid, and the sealing colloid seals the opening of the light-transmitting cover, so that the photosensitive area in the photosensitive element is sealed in the light-transmitting cover, and is dustproof and waterproof; meanwhile, the sealing colloid does not coat the photosensitive area of the photosensitive element, so that the photosensitive area can receive light, and the photosensitive element can work normally.
In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In order to measure the flow rate of water in the water pipe, an electronic water meter is generally installed on the water pipe to measure the flow rate of water in the water pipe. The electronic water meter generally comprises a shell and a measuring pipeline arranged in the shell, wherein the shell is provided with the measuring pipeline and electronic components, the measuring pipeline is used for measuring the water flow flowing through the measuring pipeline, and the electronic components are used for carrying out data processing on the measured water flow.
Referring to fig. 1, a housing of an electronic water meter generally includes an upper case 10 and a lower case 20, the upper case 10 is covered on the lower case 20, and the upper case 10 is connected with the lower case 20 to enclose a mounting chamber 30 as shown by a dotted line in fig. 1. The shell adopts an upper shell and a lower shell split structure, so that the assembly of a measuring pipeline and each electronic component is conveniently carried out in the installation cavity 30 formed by the upper shell 10 and the lower shell 20.
Two opposite first side walls of the upper shell 10 are provided with first notches facing the lower shell 20, and two opposite second side walls of the lower shell 20 are provided with second notches facing the upper shell 10; that is, the first notch is oriented opposite the second notch. The first breach of going up casing 10 and the second breach one-to-one of casing 20 down and all communicate with installation cavity 30, when upper and lower casing coupling is as an organic whole, lie in with the corresponding first breach of one side and second breach intercommunication, supply the both ends of measuring the pipeline to stretch out installation cavity 30 to connect the water pipe.
It should be noted that the measurement pipeline may be connected to the lower housing 20 or the upper housing 10, for example, the measurement pipeline is connected to the lower housing 20 by a snap-fit connection, so as to fix the measurement pipeline in the installation cavity 30 and prevent the measurement pipeline from shaking.
The measuring pipeline is detachably connected with the water pipe, for example, external threads are arranged on the outer peripheral surfaces of the two ends of the measuring pipeline and matched with the internal threads at the two ends of the water pipe, namely, the measuring pipeline is connected with the water pipe through the threads, and the measuring pipeline is connected with the water pipe through a flange.
A glue filling shell 40 is further arranged in the installation cavity 30 formed by the upper shell 10 and the lower shell 20, and the glue filling shell 40 is connected with the upper shell 10 or the lower shell 20. In this embodiment, encapsulating shell 40 is connected with lower casing 20, so set up, conveniently carries out the encapsulating to encapsulating in the encapsulating shell 40.
Referring to fig. 3, a glue filling cavity is arranged inside the glue filling shell 40, and a first opening 41 is arranged at one end of the glue filling shell 40, as shown in fig. 3, the first opening 41 is arranged at the upper end of the glue filling shell 40, the first opening 41 is communicated with the glue filling cavity, and the first opening 41 can be used as a filling port of liquid sealant during glue filling. The main plate 50 and the cover plate 60 are arranged in the glue filling cavity, and the main plate 50 and the cover plate 60 can enter or be taken out of the glue filling cavity through the first opening 41.
With continued reference to fig. 3, the main board 50 is fixedly connected to the potting compound shell 40, for example, the main board 50 is connected to the potting compound shell 40 by a snap fit or a threaded fastener. The motherboard 50 may be a Printed Circuit Board (PCB), the motherboard 50 is provided with a photosensitive element 51, the photosensitive element 51 is electrically connected to the motherboard 50, the motherboard 50 supports the photosensitive element 51, and meanwhile, a circuit in the motherboard 50 is also electrically connected to the photosensitive element 51.
The light-sensitive element 51 may be a light-sensitive resistor, the resistance of which changes significantly with the change of the received light, and the light-sensitive element 51 may be used as a light-operated switch in the circuit of the main board 50 to control the on/off of each circuit in the main board 50. The first end of the photosensitive element 51 is connected with the main board 50, as shown in fig. 3, the lower end of the photosensitive element 51 is the first end; the second end of the photosensitive element 51 is a photosensitive region, as shown in fig. 3, the upper end of the photosensitive element 51 is the second end, in the embodiment of the present invention, the photosensitive region is located on the end surface of the upper end of the photosensitive element 51.
It should be noted that, photosensitive element 51's photosensitive zone protrusion encapsulating chamber, in the embodiment of the utility model, the up end of photosensitive element 51 as shown in fig. 3 is photosensitive zone, and photosensitive element 51's up end is higher than encapsulating shell 50's up end for encapsulating shell 50 is stretched out to photosensitive element 51's upper end, so sets up, and the photosensitive zone that photosensitive element 51 can not be submerged when filling encapsulating the chamber with liquid sealed glue still guarantees that photosensitive element 51 can normally work. Of course, in the embodiment of the present invention, the upper end surface of the photosensitive element 51 and the upper end surface of the potting shell 50 may be flush.
With continued reference to fig. 3, the cover plate 60 is disposed on a side of the potting case 40 close to the first opening 41 relative to the main board 50, that is, the cover plate 60 is located above the main board 50, a lower end surface of the cover plate 60 may or may not contact an upper end surface of the main board 50, and a gap existing between the cover plate 60 and the main board 50 is filled with the sealant 70.
Referring to fig. 3 and 4, the cover plate 60 is provided with the light-transmitting cover 61, light can pass the light-transmitting cover 61, the opening direction of the light-transmitting cover 61 faces the main board 50, the photosensitive area of the photosensitive element 51 can stretch into the light-transmitting cover 61, and thus the light-transmitting cover 61 can play a certain protection role for the photosensitive area of the photosensitive element 51, and meanwhile, the light-transmitting cover 61 does not shield the light, and the photosensitive element 51 can receive the light.
In order to let the water vapor enter the light-transmitting cover 61, the light-sensitive area of the light-sensitive element 51 is contacted to cause the light-sensitive element 51 not to work normally, the sealing colloid 70 is filled between the light-sensitive element 51 and the light-transmitting cover 61, and the light-sensitive area of the light-sensitive element 51 is exposed outside the sealing colloid 70, that is, the opening of the light-transmitting cover 61 is sealed by the sealing colloid 70, so that the light-sensitive area is sealed in the light-transmitting cover 61 to play a role in moisture protection and water prevention. Meanwhile, the sealant 70 does not cover the photosensitive region of the photosensitive element 51, so that the photosensitive region can receive light and change its characteristic parameters according to the change of the light, thereby ensuring that the photosensitive element 51 can work normally.
It should be noted that the cover plate 60 may be a light-transmitting plate as a whole, for example, the cover plate 60 is a plastic cover plate with a light transmittance of 92%, and the cover plate 60 is injection-molded by using a light-transmitting plastic, so as to reduce the cost of the cover plate 60. The cover plate 60 may be made of transparent Polycarbonate (PC) plastic, Acrylonitrile Butadiene Styrene (ABS) plastic, Polypropylene (PP) plastic, or the like.
With reference to fig. 3, the cover plate 60 further includes an overflow baffle 62, the overflow baffle 62 and the light-transmitting cover 61 are located on the same side of the cover plate 60 and are disposed around the light-transmitting cover 61 to prevent the liquid sealant from contacting the light-transmitting cover 61 during glue filling.
As shown in fig. 4, the lower end of the overflow glue baffle 62 is the first end, and the second end of the overflow glue baffle is lower than the top end of the photosensitive element 51 located in the light-transmitting cover 61, so that on one hand, the sealing glue 70 is not filled in the annular groove formed between the overflow glue baffle 62 and the light-transmitting cover 61, so that a light shielding plate for shielding light can be arranged in the annular groove to shield the light around the photosensitive element 51; on the other hand, when the liquid sealant just exceeds the overflow barrier 62 and enters the annular groove, the sealant still does not cover the photosensitive area of the photosensitive element 51, and the filling of the sealant is stopped at this time, and the photosensitive element 51 can still be used, that is, the overflow barrier 62 can indicate that the filling of the sealant is stopped.
It should be noted that the second end of the overflow glue baffle 62 can be flush with the end surface of the first opening 41 of the glue filling shell 50, that is, the upper end surface of the overflow glue baffle 62 is flush with the upper end surface of the glue filling shell 50, so that the arrangement is adopted, during the glue filling process, the liquid sealant cannot enter the annular groove and submerge the photosensitive area of the photosensitive element 51, and the photosensitive element 51 can be further ensured to work normally.
In a possible example, the light shielding plate 12 is disposed in the mounting cavity 30 of the upper housing 10, the light shielding plate 12 is disposed around the light transmission hole 11 of the upper housing 10, referring to fig. 2, the upper housing 10 is substantially cube-shaped, the bottom wall of the cube-shaped upper housing 10 is removed, the top wall of the cube-shaped upper housing 10 is provided with the light transmission hole 11 and the light shielding plate 12, and the light shielding plate 12 is located in the mounting cavity 30.
It should be noted that the above-mentioned excessive glue baffle 62 can be arranged at the edge of the cover plate 60 and surround the cover plate 60 for a circle, and the excessive glue baffle 62 extends to the first opening 41 of the glue filling shell 40, that is, the excessive glue baffle 62 extends upwards, so that the liquid sealant does not contact the upper surface of the cover plate 60 during glue filling, thereby avoiding shielding the light-transmitting cover 61 and other protective covers on the upper surface of the cover plate 60.
Referring to fig. 4, the cover plate 60 further includes a supporting plate 63, the supporting plate 63 is disposed on the same side of the cover plate 60 as the light-transmitting cover 61, and the supporting plate 63 is higher than the light-transmitting cover 61, so that the supporting plate 63 abuts against the upper housing to support the upper housing 10, so as to prevent the upper housing 10 from sinking under the action of external force and damaging the photosensitive element 51 located in the light-transmitting cover 61, and ensure the normal operation of the photosensitive element 51. The supporting plate 63 may be provided in plural, for example, in the present embodiment, three supporting plates 63 are provided, and three supporting plates 63 are provided in parallel on the cover plate 60.
With continued reference to fig. 4, the cover plate 60 may be connected to the potting shell 40, a first end of the cover plate 60 is provided with an extension portion 64, the extension portion 64 is provided with a first through hole 65, a second end of the cover plate 60 is provided with a limiting plate 66, the limiting plate 66 is provided with a counter bore, and an opening of the counter bore faces to a bottom of the cavity of the potting cavity 40. The first and second ends of the cover plate 60 may be disposed opposite to each other.
In one possible example, the cover plate 60 is a substantially cubic thin plate, the number of the extending portions 64 and the number of the limiting plates 66 are two, the two extending portions 64 are disposed opposite to the two limiting plates 66, and the cover plate 60 is fixed on the potting shell 40 through the extending portions 64 and the limiting plates 66.
A limiting column is arranged in the glue filling cavity of the glue filling shell 40 in the area corresponding to the limiting plate 66, one end of the limiting column is connected with the glue filling shell 40, the other end of the limiting column extends into the counter bore, and the limiting column is in clearance fit with the through hole; the area corresponding to the extension 64 is provided with a fixing post provided with a first threaded hole.
When the cover plate 60 is connected with the potting shell 40, the counter bore of the limiting plate 66 of the cover plate 60 is firstly sleeved on the limiting column, so that the limiting column contacts the bottom of the counter bore, then the first through hole 65 of the extension part 64 of the cover plate 60 is aligned with the first threaded hole of the fixing column, the first screw penetrates through the first through hole and is in threaded connection with the first threaded hole, and the cover plate 60 is connected with the potting shell 40.
Referring to fig. 1 to 4, the upper casing 10 and the lower casing 20 form a mounting cavity 30, a measurement pipeline and a glue filling casing 40 are arranged in the mounting cavity 30, wherein the glue filling casing 40 is connected with the lower casing 20, the glue filling casing 40 is provided with a glue filling cavity, a first opening facing the upper casing 10 is arranged at the upper end of the glue filling casing 40, a main board 50 and a cover plate 60 are arranged in the glue filling cavity, and the main board 50 and the cover plate 60 are both connected with the glue filling casing 40.
The lower shell 20 is provided with a measuring pipeline and then is connected with the glue filling shell 40, the main board 50 is fixed in the glue filling cavity, and then the cover plate 60 is fixed in the glue filling cavity, at the moment, the upper end of the photosensitive element on the main board 50, namely the photosensitive area, is positioned in the light-transmitting cover 61 of the cover plate 60.
The glue filling shell 40 is filled with liquid sealant, so that the glue filling shell 40 and the main board 50, the glue filling shell 40 and the cover plate 60 and the light-transmitting cover 61 of the light-sensitive element 51 on the main board 50 and the cover plate 60 are filled with the integrally formed sealing glue 70, the contact surface of the sealing glue 70 and air is lower than the upper end of the glue overflowing baffle 62, and the opening of the light-transmitting cover 61 is blocked by the sealing glue 70.
After the glue is poured, the upper housing 10 is mounted on the lower housing 20, the light shielding plate 12 of the upper housing 10 is located between the light-transmitting cover 61 and the glue overflow baffle 62, the light-transmitting hole 11 is located above the light-transmitting cover 61, and the light-sensitive element 51 can receive the light passing through the light-transmitting hole 11 and the light-transmitting cover 61.
The embodiment of the utility model provides an electronic water meter includes mainboard 50 and the apron 60 that sets up relatively with mainboard 50, and mainboard 50 is provided with light sensitive element 51, and apron 60 includes light transmission cover 61, and light transmission cover 61 detains to be located outside light sensitive element 51 for light sensitive element 51's photosensitive area is located light transmission cover 61, and it has sealed colloid 70 still to fill between light sensitive element 51 and the light transmission cover 61, and light sensitive element 51's photosensitive area exposes outside sealed colloid 70. The opening of the light-transmitting cover 61 is sealed by the sealing colloid 70, so that the photosensitive area of the photosensitive element 51 is sealed in the light-transmitting cover 61 to prevent dust and water vapor from contacting the photosensitive area of the photosensitive element 51, and the damage and moisture prevention of the photosensitive area of the photosensitive element 51 are realized; meanwhile, the sealant 70 does not cover the photosensitive region of the photosensitive element 51, so that the photosensitive region of the photosensitive element 51 can receive light to ensure that the photosensitive element 51 can work normally.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
In the description of the present specification, references to "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An electronic water meter is characterized by comprising a mainboard and a cover plate arranged opposite to the mainboard, wherein the cover plate comprises a light-transmitting cover, and the light-transmitting cover is buckled outside a photosensitive element on the mainboard;
and a sealing colloid is filled between the photosensitive element and the light-transmitting cover, and the photosensitive area of the photosensitive element is exposed outside the sealing colloid.
2. The electronic water meter of claim 1, further comprising a glue-pouring housing, wherein the glue-pouring housing is provided with a glue-pouring cavity, and one end of the glue-pouring housing is provided with a first opening communicated with the glue-pouring cavity;
the main board and the cover plate are arranged in the glue filling cavity;
the sealing colloid is filled between the main board and the glue filling cavity, between the cover plate and the glue filling cavity and between the main board and the cover plate.
3. The electronic water meter of claim 2, wherein the cover plate is provided with an overflow glue baffle, the overflow glue baffle is arranged around the light-transmitting cover, and the sealing glue is filled between the overflow glue baffle and the glue filling cavity.
4. An electronic water meter as claimed in claim 3, wherein said flash stop is provided at the edge of said cover plate and around said cover plate.
5. The electronic water meter of claim 3, further comprising an upper housing and a lower housing, wherein the upper housing and the lower housing enclose a mounting cavity, and the mounting cavity is provided with the potting shell connected to the lower housing.
6. The electronic water meter of claim 5, wherein said upper housing is further provided with a light hole;
go up the casing and be provided with and be located the light screen of installation intracavity, the light screen encircles the light trap sets up, just the light screen is located the printing opacity cover with overflow and glue between the baffle.
7. The electronic water meter of claim 6, wherein the light hole is a tapered through hole, a small hole end of the tapered through hole is close to the light screen, and a large hole end of the tapered through hole is far away from the light screen.
8. An electronic water meter as claimed in any one of claims 5 to 7, wherein said cover plate is further provided with a support plate, said support plate and said light-transmitting cover being disposed on the same side of said cover plate, and said support plate abutting said upper housing.
9. An electronic water meter as claimed in any one of claims 2 to 7, wherein said cover plate is provided at a first end thereof with an extension, said extension being provided with a first through hole;
a fixing column is arranged in an area, corresponding to the extension portion, in the glue filling cavity, the fixing column is provided with a first threaded hole, and the glue filling shell is connected with the cover plate through a first screw which penetrates through the first through hole and is in threaded connection with the first threaded hole.
10. An electronic water meter as claimed in any one of claims 2 to 7, wherein a limit plate is provided at the second end of the cover plate, the limit plate being provided with a counterbore;
and a limiting column is arranged in the region of the glue filling cavity corresponding to the counter bore, one end of the limiting column is connected with the glue filling shell, and the other end of the limiting column extends into the counter bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723147.0U CN212843782U (en) | 2020-08-18 | 2020-08-18 | Electronic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723147.0U CN212843782U (en) | 2020-08-18 | 2020-08-18 | Electronic water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212843782U true CN212843782U (en) | 2021-03-30 |
Family
ID=75137083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021723147.0U Active CN212843782U (en) | 2020-08-18 | 2020-08-18 | Electronic water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212843782U (en) |
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2020
- 2020-08-18 CN CN202021723147.0U patent/CN212843782U/en active Active
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