CN213612319U - Electronic water meter - Google Patents

Abstract

The utility model provides an electronic water meter relates to water gauge technical field for solve each electronic components encapsulating inefficiency technical problem in the electronic water meter. The electronic water meter comprises a lower shell, wherein the lower shell is connected with a glue pouring shell, a glue pouring cavity is arranged inside the glue pouring shell, and an opening communicated with the glue pouring cavity is formed in the first end of the glue pouring shell; a battery and a main board are arranged in the glue filling cavity, and sealing glue which is formed in one step is filled between the battery and the glue filling cavity and between the main board and the glue filling cavity; through setting up mainboard and battery in same encapsulating intracavity, and mainboard and battery together carry out the encapsulating, avoided setting up mainboard and battery alone respectively carrying out the encapsulating in the encapsulating shell that corresponds separately, reduced each electronic components encapsulating number of times in the electronic water meter to encapsulating efficiency has been improved.

Description

Electronic water meter

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 consumption by adopting the electronic or electromagnetic induction principle and transmits and settles the measured water consumption data. 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 parts, high measurement precision, large measurement range, stability, reliability, low failure rate and convenience for remote data communication, thereby being widely applied.

Electronic water meter includes the casing, and the inside vacuole formation of casing is provided with electronic components in the cavity, for example mainboard, battery etc. because electronic water meter's service environment humidity is great, in order to prevent that electronic components in the casing from weing, above-mentioned electronic components seals through the encapsulating usually and carries out waterproof, dampproofing processing to guarantee that each electronic components can normal work.

However, each electronic component needs to be arranged in the corresponding glue filling shell for glue filling respectively, so that the glue filling efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides an electronic water meter for improve each electronic components's among the electronic water meter encapsulating efficiency.

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 lower shell, wherein the lower shell is connected with a glue filling shell, a glue filling cavity is arranged inside the glue filling shell, and an opening communicated with the glue filling cavity is arranged at the first end of the glue filling shell; the encapsulating intracavity is provided with battery and mainboard, the battery with between the encapsulating chamber, and the mainboard with it all fills the sealing colloid who has one shot forming to irritate between the encapsulating chamber.

The embodiment of the utility model provides an electronic water meter has following advantage:

the glue filling shell of the electronic water meter in the embodiment of the utility model is connected with the lower shell, the glue filling cavity is arranged in the glue filling shell, the first end of the glue filling shell is provided with an opening, the opening is communicated with the glue filling cavity, and the battery and the mainboard pass through the opening to enter the glue filling cavity or be taken out from the glue filling cavity; between battery and the encapsulating chamber to and all fill between mainboard and the encapsulating chamber has one shot forming's sealed colloid, through setting up battery and mainboard in the encapsulating shell and together carrying out the encapsulating, avoided battery and mainboard to carry out the encapsulating respectively, thereby reduced each electronic components's in the electronic water meter encapsulating number of times, improved encapsulating efficiency.

In the above electronic water meter, the glue filling cavity includes a battery cavity and a main board cavity, one end of the main board cavity is communicated with the battery cavity, and the other end is communicated with the opening; the battery is arranged in the battery cavity, and the sealing colloid is filled between the battery and the battery cavity; the mainboard is arranged in the mainboard cavity, and the sealing colloid is filled between the mainboard and the mainboard cavity.

In the electronic water meter, the battery cavity includes a first battery cavity and a second battery cavity, the first battery cavity is partially overlapped with the second battery cavity, and the bottom of the second battery cavity protrudes toward the lower housing and abuts against the lower housing.

In the electronic water meter, the bottom of the cavity of the second battery cavity is provided with a first through hole; the lower shell is provided with a first fixing column with a first threaded hole, and the lower shell and the glue filling shell are fixed through a first screw penetrating through the first through hole and in threaded connection with the first threaded hole.

In the electronic water meter, two opposite first side walls of the main board cavity are respectively provided with a lug which is concave towards the main board cavity; the lower shell is provided with a matching column and two supporting plates in the areas corresponding to the two lugs, and each matching column extends into one corresponding lug; each support plate is arranged around the corresponding matching column, and one end, far away from the lower shell, of each support plate is abutted to the corresponding lug.

In the electronic water meter, the electronic water meter further comprises an upper shell connected with the lower shell to form an installation cavity, and the glue filling shell is located in the installation cavity.

In the electronic water meter, a second side wall between the two first side walls in the main board cavity is provided with a position avoiding groove which is concave towards the main board cavity; and partial area of the third side wall of the upper shell is positioned in the avoiding groove.

In the electronic water meter, the main board is provided with two first notches and two second notches, and each first notch is correspondingly provided with one lug; keep away the relative both sides in position groove and be provided with respectively and be located the spacing post of mainboard in the encapsulating shell, keep away the position groove with the spacing post of mainboard all is located in first breach, just the spacing post of mainboard with the mainboard offsets.

In the electronic water meter, the main board cavity and the battery cavity form a step surface, and a support pillar for placing the main board is arranged on the step surface.

In the electronic water meter, a wire clamping groove is further formed in the glue pouring shell, and a cable electrically connected with the main board is arranged in the wire clamping groove.

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 a schematic structural diagram of a lower housing according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a glue pouring shell according to an embodiment of the present invention;

fig. 3 is an assembly view of the lower case and the potting case of the embodiment of the present invention in one direction;

fig. 4 is an assembly view of the lower case and the glue-pouring case in another direction according to the embodiment of the present invention.

Description of reference numerals:

10. a lower housing;

11. a matching column;

12. a support plate;

20. pouring a rubber shell;

21. a first battery cavity;

22. a second battery cavity;

23. a boss;

24. a first side wall;

25. a second side wall;

26. a lug;

27. mounting grooves;

28. a main board limiting column;

29. a support pillar;

30. wire clamping grooves.

Detailed Description

In order to improve each electronic components's among the electronic water meter encapsulating efficiency, the embodiment of the utility model provides an electronic water meter is provided with the encapsulating shell, and the battery all sets up in the encapsulating cavity of encapsulating shell inside with the mainboard, between battery and the encapsulating cavity to and fill integrated into one piece's sealing colloid between mainboard and the encapsulating cavity, through together carrying out the encapsulating with battery and mainboard, reduced the encapsulating number of times of battery and mainboard, thereby improved encapsulating efficiency.

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.

The embodiment of the utility model provides an in the electronic water meter include casing and lower casing, go up the casing lid and locate down on the casing, go up the casing and be connected with lower casing and enclose synthetic installation cavity, can set up measuring pipeline and each electronic components in the installation cavity.

The measuring pipeline is used for measuring the flow of water flowing through the measuring pipeline, and the electronic components are used for carrying out data processing and data transmission on the measured flow of the water, for example, the electronic components may include one or more of a mainboard, an electronic display screen and an antenna, a battery for supplying power, and the like. The mainboard is used for calculating the flow of water flow, and can comprise a Printed Circuit Board (PCB for short); the electronic Display screen is used for displaying the flow of water flow, and the electronic Display screen can comprise a Liquid Crystal Display (LCD for short); the antenna is used for transmitting the flow of water flow, and the antenna can be a spiral antenna.

Referring to fig. 1, two opposite sidewalls of the lower case 10 are provided with first mounting openings communicated with the mounting cavities, and corresponding regions of the upper case are provided with second mounting openings communicated with the mounting cavities, the first mounting openings and the second mounting openings form mounting openings, which may be circular openings. When the measuring pipeline sets up in the installation cavity, the installation cavity can be stretched out by the installing opening in measuring pipeline's both ends, is connected with the water pipe, for example, measuring pipeline's both ends all are provided with the external screw thread, and the water pipe correspondence is provided with assorted internal thread, threaded connection between measuring pipeline and the water pipe. The measuring pipeline and the water pipe can also be connected through a flange.

It should be noted that, the inner surface of the installation opening may be attached to the outer peripheral surface of the measurement pipeline, so that when the measurement pipeline is located in the installation cavity, the measurement pipeline may be fixed in an auxiliary manner through the installation opening.

The embodiment of the utility model provides an in go up casing and lower casing 10 enclose synthetic installation intracavity and still be provided with encapsulating shell 20, refer to fig. 2, encapsulating shell 20's inside is provided with encapsulating cavity, places mainboard and the battery that needs carry out the encapsulating in the encapsulating cavity. Between battery and the encapsulating chamber to and be provided with integrated into one piece's sealed colloid between mainboard and the encapsulating chamber, that is to say, the mainboard is placed together to carry out the encapsulating behind the encapsulating chamber with the battery, makes the sealed colloid who surrounds the mainboard and surround the battery as an organic whole, in order to reduce the encapsulating number of times of mainboard and battery, and then improves encapsulating efficiency.

The sealant used for pouring the sealant can be silicone gel or polyurethane sealant. The sealant is poured into the space between the potting shell 20 and the main board and between the potting shell and the battery when in a liquid state, and after standing, the liquid sealant is solidified to form a sealing colloid, thereby realizing the water and moisture prevention of the main board and the battery. The light transmittance of the organic silicon gel or polyurethane sealant can exceed 92% so as to ensure the visibility of the main board.

It should be noted that the first end of the glue filling shell 20 is provided with an opening communicated with the glue filling cavity, as shown in fig. 2, the upper end of the glue filling shell 20 is the first end of the glue filling shell 20, and the main board and the battery enter the glue filling cavity from the opening or are taken out from the glue filling cavity.

Referring to fig. 2, the glue filling cavity includes a battery cavity and a main board cavity, the main board cavity is located above the battery cavity and is communicated with the battery cavity, that is, one end of the main board cavity is communicated with the battery cavity, and the other end is communicated with the opening. The battery cavity is used for placing a battery, and the sealing colloid is filled between the battery and the battery cavity; the mainboard cavity is used for placing the mainboard, and the sealing colloid is filled between mainboard and the mainboard cavity.

The battery cavities include a first battery cavity 21 and a second battery cavity 22, where the first battery cavity 21 and the second battery cavity 22 partially overlap, for example, a left end of the first battery cavity 21 and an upper end of the second battery cavity 22 shown in fig. 2 overlap.

The first battery cavity 21 is shown by a dotted line in fig. 2, the first battery cavity 21 includes a first cavity located at an upper portion and a second cavity located at a lower portion, the first cavity is communicated with the second cavity, and an opening size of a lower end of the first cavity is consistent with an opening size of an upper end of the second cavity, so that the first cavity and the second cavity are gradually transited.

As shown in fig. 2, the opening size of the upper end of the first cavity of the first battery cavity 21 is larger than the opening size of the lower end, and the side surface connecting the upper end and the lower end of the first cavity contracts along the vertical direction, for example, the first cavity is approximately in a right trapezoid column shape, and the front side surface of the first cavity shown in fig. 2 is an inclined surface.

As shown in fig. 2, the bottom of the second cavity of the first battery cavity 21 is an arc surface, the surface of the second cavity located below shown in fig. 2 is an arc surface, the arc surface protrudes toward the lower housing 10, i.e., protrudes downward, the center line of the arc surface is horizontally disposed, and the battery located in the first battery cavity 21 can be horizontally disposed.

The second battery cavity 22 is substantially a cylinder, the bottom of the second battery cavity 22 protrudes toward the lower case 10, referring to fig. 2, the side surface of the second battery cavity 22 is a cylindrical surface, the bottom surface of the second battery cavity 22 is a plane, the center line of the second battery cavity 22 is vertically arranged, and the battery located in the second battery cavity 22 can be vertically arranged. So set up, can place the battery of equidirectional in the battery chamber to hold the battery of different models.

It should be noted that, the bottom of the cavity of the second battery cavity 22 is abutted to the lower casing 10 and connected to the lower casing 10, in a possible example, the bottom of the cavity of the second battery cavity 22 may be provided with a first through hole, a first fixing column is provided in the installation cavity of the lower casing 10, the first fixing column is provided with a first threaded hole, and a first screw passes through the first through hole and is screwed in the first threaded hole, so as to connect the potting shell 20 with the lower casing 10, so that the potting shell 20 is connected with the lower casing 10 as a whole, thereby preventing the potting shell 20 from shaking in the installation cavity, and meanwhile, the first through hole is blocked by the first screw, which does not affect the potting in the potting shell 20.

In order to facilitate the screw connection between the potting shell 20 and the lower shell 10, the bottom of the cavity of the second battery cavity 22 may further be provided with a boss 23 facing the lower shell 10, the boss 23 is abutted to the lower shell 10 and is provided with a first through hole, and thus, the installation length of the bottom of the cavity of the first screw and the second battery cavity 22 may be increased, so as to ensure that the potting shell 20 is reliably connected with the lower shell 10.

The boss 23 may be disposed at the center of the bottom of the second battery chamber 22, or may be disposed eccentrically, so as to avoid interference between the boss 23 and other components of the lower case 10. The side of boss 23 can set up the strengthening rib of being connected bottom the cavity of second battery chamber 22, for example, the embodiment of the utility model provides an, boss 23 is the cylinder, and the side of boss 23 is the outer peripheral face of cylinder, and the outer peripheral face of boss 23 is equidistant to be provided with four strengthening ribs, and four strengthening ribs are connected bottom the cavity of second battery chamber 22 to increase the joint strength of boss 23 and the cavity bottom of second battery chamber 22.

The reinforcing ribs can be plate-shaped, and the plate surfaces of the plate-shaped reinforcing ribs can be triangular, rectangular or other polygons; the quantity of strengthening rib can be selected according to the size of boss 23, can set up one, also can set up a plurality ofly, and when the strengthening rib was provided with a plurality ofly, a plurality of strengthening ribs surrounded the boss 23 and sets up.

In another possible example, the bottom of the second battery cavity 22 is snap-connected to the lower housing 10, for example, a snap is disposed on the outer surface of the bottom of the second battery cavity 22, and a snap is disposed in the mounting cavity of the lower housing 10, and the snap is engaged with the snap, so as to fixedly connect the potting housing 20 and the lower housing 10. The above-mentioned buckle and trip all can be provided with a plurality ofly to guarantee to irritate reliable being connected between gluey shell 20 and the lower casing 10.

It should be noted that the potting shell 20 may also be connected to the upper shell, for example, the potting shell 20 is connected to the upper shell by a snap-fit. The cavity bottom of second battery chamber 22 can be provided with the fixation clamp that is used for fixed measurement pipeline, and when measurement pipeline set up at last, the casing encloses synthetic installation intracavity down, the fixation clamp will measure the pipeline fixedly, prevents that measurement pipeline from rocking.

With continued reference to fig. 2, the main board cavity of the glue filling cavity includes two oppositely disposed first sidewalls 24 and a second sidewall 25 and a fourth sidewall located between the two first sidewalls 24 and connected to both the two first sidewalls 24, and the second sidewall 25 is disposed opposite to the fourth sidewall. The main board cavity shown in fig. 2 is substantially cube-shaped, the top wall of the cube-shaped main board cavity is removed to form an opening, two of the four side walls of the cube-shaped main board cavity opposite to each other on the left and right are first side walls 24, the side wall of the front and rear opposite side walls on the rear side is a second side wall 25, and the side wall on the front side is a fourth side wall.

Both first side walls 24 are provided with lugs 26, the lugs 26 being recessed towards the interior of the main plate cavity, forming mounting slots 27. The lower case 10 is provided with one matching post 11 and two support plates 12 in the corresponding areas of the two lugs 26, and referring to fig. 1, each support plate 12 is disposed around the corresponding matching post 11. The two matching columns 11 act together to limit the left and right directions of the glue filling shell 20, and when the matching columns 11 are located in the corresponding lugs 26, the glue filling shell 20 is limited in the left and right directions relative to the lower shell 10.

The supporting plates 12 can increase the connection strength between the matching posts 11 and the lower case 10, and when the matching posts 11 are located in the corresponding lugs 26, one end of each supporting plate 12 away from the lower case 10 abuts against the corresponding lug 26 to support the lug 26, and at this time, the potting case 20 is fixed to the lower case 10 through the second battery cavity 22.

It should be noted that the lugs 26 may also project toward the lower housing 10, as shown in fig. 2, and the lower ends of the lugs 26 project relative to the bottom wall of the cubic main board chamber. The projections in the lugs 26 may guide the mating posts 11 of the lower housing 10 when the potting compound 20 is mounted to the lower housing 10.

With continued reference to fig. 2, the second side wall 25 of the main board chamber is provided with a space-avoiding groove recessed toward the main board chamber, and a partial area of the space-avoiding groove for accommodating the third side wall of the upper case so as to avoid the third side wall of the upper case from interfering with other components. Keep away the relative both sides in position groove and be provided with mainboard spacing post 28 respectively, mainboard spacing post 28 is located the mainboard chamber, fixes a position the mainboard. The main board position-limiting post 28 shown in fig. 2 is a cylinder, and two opposite sides of the avoiding groove are respectively provided with one main board position-limiting post 28.

The main board cavity and the battery cavity form a step surface, the bottom surface of the main board cavity shown in fig. 2 is the step surface, and the main board limiting column 28 is arranged on the step surface. The step surface is also provided with a support column 29, the support column 29 is provided with a main board, and the main board is arranged on the support column 29 to avoid plugging the battery cavity. During the encapsulating, liquid sealant can get into the battery cavity from the mainboard cavity to make and to fill the sealing colloid between battery and the battery cavity, so that the battery is sealed.

The embodiment of the utility model provides an in, support column 29 is provided with four, and wherein two support columns 29 set up respectively under the spacing post 28 of mainboard, that is to say, the step face is connected to the one end of these two support columns 29, and the other end is connected with the spacing post 28 of mainboard that corresponds respectively.

The plane parallel to the step surface is taken as a cross section, the cross section size of the supporting column 29 is larger than that of the main board limiting column 28, and the supporting surface for placing the main board can be formed at the joint of the supporting column 29 and the main board limiting column 28. The other two support columns 29 are provided with second threaded holes, and these two support columns 29 support the main board on the one hand and fix the main board on the other hand.

The area of the main plate in the main plate cavity corresponding to the lug 26 is provided with two first notches, and each first notch is provided with one lug 26. The area of the main board corresponding to the main board limiting column 28 is provided with a second notch, and the second notch is provided with a avoiding groove and the main board limiting column 28.

When keeping away the position groove and two spacing posts 28 of mainboard all are located first breach, every spacing post 28 of mainboard all offsets with the mainboard, fixes a position the mainboard. A second through hole is further formed near each first notch of the main board. When the mainboard is placed on the support column 29 of the mainboard cavity, the second through hole of the mainboard is aligned with the second threaded hole of the support column 29, and the second screw passes through the second through hole and is in threaded connection with the second threaded hole, so that the mainboard is fixed in the mainboard cavity.

The two supporting columns 29 provided with the second threaded holes can protrude towards the lower casing 10, that is, the two supporting columns 29 protrude downwards from the step surface formed by the main board cavity and the battery cavity, so that the threaded connection length can be increased, the reliable connection of the second screws is ensured, and the second screws can be positioned in the second threaded holes of the supporting columns 29 and are not exposed outside to protect the second screws.

Continuing to refer to fig. 2, the main board cavity is further provided with a wire clamping groove 30, the wire clamping groove 30 can be arranged at a fourth side wall close to the main board cavity, a cable electrically connected with the main board is arranged in the wire clamping groove 30, and the wire clamping groove 30 is used for fixing the cable and preventing the cable from scattering.

The bottom surface in mainboard chamber is formed with multistage step, for example, the bottom surface in mainboard chamber that fig. 4 shows is formed with tertiary step, and card wire casing 30 sets up in the step bottom, so sets up, can avoid card wire casing 30 to bulge the lateral wall in mainboard chamber for the cable that is located card wire casing 30 can be together sealed with encapsulating.

The wire clamping groove 30 can be comb-shaped, grooves are formed between teeth, cables are fixed in the grooves of the wire clamping groove 30, and the wire clamping groove 30 shown in fig. 4 comprises a four-tooth three-groove structure.

The following describes a glue filling process of the main board and the battery with reference to fig. 3 and 4 in combination with the embodiment of the present invention.

The embodiment of the utility model provides an on encapsulating shell 20 places casing 10 down, through casing 10 down matching post 11 be located encapsulating shell 20's mounting groove 27, control encapsulating shell 20 spacing, match the backup pad 12 butt that post 11 corresponds in encapsulating shell 20's lug 26 simultaneously to support encapsulating shell 20. At this time, the bottom of the second battery cavity 22 of the potting shell 20 abuts against the lower case 10, and the lower case 10 is fixed by the bottom of the second battery cavity 22, for example, the bottom of the second battery cavity 22 is connected to the lower case 10 by a screw or a snap.

Irritate gluey shell 20 and fixed back of casing 10 down, put into the battery in the battery cavity 21 in the encapsulating chamber, the mainboard is placed to the mainboard intracavity of encapsulating shell 20, and fix the mainboard in the mainboard chamber, with the cable chucking of mainboard at card wire casing 30, irritate liquid sealed glue to the encapsulating intracavity, treat the solidification back of liquid sealed glue, at battery and battery cavity, and all form sealed colloid between mainboard and the mainboard chamber, the cable is also wrapped in sealed internal, seal battery, mainboard and cable.

The glue filling shell 20 of the electronic water meter in the embodiment of the utility model is connected with the lower shell 10, the inside of the glue filling shell 20 is provided with a glue filling cavity, the first end of the glue filling shell 20 is provided with an opening, the opening is communicated with the glue filling cavity, and the battery and the mainboard pass through the opening to enter the glue filling cavity or be taken out from the glue filling cavity; between battery and the encapsulating chamber to and all fill between mainboard and the encapsulating chamber has one shot forming's sealed colloid, through setting up battery and mainboard in encapsulating shell 20 and together carrying out the encapsulating, avoided battery and mainboard to carry out the encapsulating respectively, thereby reduced each electronic components's in the electronic water meter encapsulating number of times, improved encapsulating efficiency.

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 lower shell, wherein the lower shell is connected with a glue pouring shell, a glue pouring cavity is arranged inside the glue pouring shell, and an opening communicated with the glue pouring cavity is formed in the first end of the glue pouring shell;

the encapsulating intracavity is provided with battery and mainboard, the battery with between the encapsulating chamber, and the mainboard with it all fills the sealing colloid who has one shot forming to irritate between the encapsulating chamber.

2. The electronic water meter of claim 1, wherein the glue filling cavity comprises a battery cavity and a main board cavity, one end of the main board cavity is communicated with the battery cavity, and the other end of the main board cavity is communicated with the opening;

the battery is arranged in the battery cavity, and the sealing colloid is filled between the battery and the battery cavity; the mainboard is arranged in the mainboard cavity, and the sealing colloid is filled between the mainboard and the mainboard cavity.

3. The electronic water meter of claim 2, wherein the battery chamber includes a first battery chamber and a second battery chamber, the first battery chamber partially overlaps the second battery chamber, and a chamber bottom of the second battery chamber protrudes toward the lower housing and abuts the lower housing.

4. The electronic water meter of claim 3, wherein the bottom of the cavity of the second battery chamber is provided with a first through hole;

the lower shell is provided with a first fixing column with a first threaded hole, and the lower shell and the glue filling shell are fixed through a first screw penetrating through the first through hole and in threaded connection with the first threaded hole.

5. An electronic water meter according to any one of claims 2 to 4, wherein each of two first opposite side walls of said main board chamber is provided with a lug which is recessed into said main board chamber;

the lower shell is provided with a matching column and two supporting plates in the areas corresponding to the two lugs, and each matching column extends into one corresponding lug;

each support plate is arranged around the corresponding matching column, and one end, far away from the lower shell, of each support plate is abutted to the corresponding lug.

6. The electronic water meter of claim 5, further comprising an upper housing coupled to the lower housing to form a mounting cavity, the potting compound being located within the mounting cavity.

7. The electronic water meter of claim 6, wherein a second side wall of said main plate chamber between two of said first side walls is provided with a relief groove recessed into said main plate chamber;

and partial area of the third side wall of the upper shell is positioned in the avoiding groove.

8. The electronic water meter of claim 7, wherein said main plate has a first notch and a second notch, said first notch is two in number, and each of said first notches has a corresponding one of said lugs;

keep away the relative both sides in position groove and be provided with respectively and be located the spacing post of mainboard in the encapsulating shell, keep away the position groove with the spacing post of mainboard all is located in first breach, just the spacing post of mainboard with the mainboard offsets.

9. The electronic water meter of claim 8, wherein said main plate cavity and said battery cavity define a step surface, said step surface having a support post for receiving said main plate.

10. An electronic water meter as claimed in any one of claims 1 to 4, wherein a wire clamping groove is further provided in the potting shell, and a cable electrically connected to the main board is provided in the wire clamping groove.

Images