CN218496178U - Shell for water meter and ultrasonic water meter - Google Patents

Abstract

The utility model discloses a casing and ultrasonic water meter for water gauge, casing for water gauge include integrated into one piece's casing, be formed with the chamber and the fluid cavity that hold mutually opposite in the casing, the both ends of fluid cavity extend to outside the casing and form inlet tube and outlet pipe, the fluid cavity with hold the chamber through a plurality of accommodation holes intercommunication, the internal face that holds the chamber extends and forms two barricades to holding the intracavity partially, the both sides of accommodation hole are located to barricade extension and branch along the axis of fluid cavity, two the barricade encloses the cavity that closes formation and is used for the encapsulating with sealed accommodation hole. The utility model provides an ultrasonic water meter, includes water meter case, circuit board, transducer, display, communication module and group battery, the circuit board sets firmly in holding the intracavity, the circuit board respectively with transducer, display, communication module and group battery electric connection respectively. The utility model discloses but rational in infrastructure, modularization installation use, sealing performance are good and are favorable to reducing production manufacturing cost.

Description

Shell for water meter and ultrasonic water meter

Technical Field

The utility model relates to a flow measuring equipment technical field specifically is a casing and ultrasonic water meter for water gauge.

Background

Electronic flow meters or steady state flow meters, such as ultrasonic flow meters, are increasingly being used as utility meters for measuring water usage. Ultrasonic flow meters offer the advantage of no moving parts compared to conventional mechanical flow meters. Since the ultrasonic flow meter includes a power source, typically a battery, for powering the measurement circuitry, a radio communication device for external communication may also be integrated. In addition, ultrasonic flow meters typically include onboard processing capability so that data processing can be implemented in the meter.

The existing ultrasonic water meter is often that fluid pipe and circuit board are independent to assemble together through the buckle connected mode, not only assembly process is complicated, time-consuming and labor-consuming, moreover promote assembly precision and sealing performance etc. with high costs. In addition, the water meter has complex use environment and high requirement on sealing performance, and the prior art often has the problems of poor sealing performance or high sealing cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a casing and ultrasonic water meter for water gauge, it has solved the complicated technical problem that wastes time and energy, sealing performance is poor, sealing cost is high of water gauge assembly process among the prior art, but have rational in infrastructure, modularization installation use, sealing performance is good and be favorable to reducing production manufacturing cost's technological effect. The adopted technical scheme is as follows:

the utility model provides a water meter case, includes integrated into one piece's casing, be formed with the chamber and the fluid chamber that hold that are mutually opposite in the casing, the both ends of fluid chamber extend to outside the casing and form inlet tube and outlet pipe, the fluid chamber with hold the chamber through a plurality of accommodation holes intercommunication, the internal face that holds the chamber extends and forms two barricades to holding the intracavity partially, barricade extends and divides the both sides of locating the accommodation hole along the axis of fluid chamber, two the barricade encloses the cavity that closes the formation and is used for the encapsulating with sealed accommodation hole.

On the basis of above-mentioned technical scheme, still include the clamp plate, be equipped with the through wires hole on the clamp plate, the hold hole is to holding intracavity extension and forming and holding the pipe, the clamp plate sets firmly in holding the intracavity and being used for the closing cap accommodation hole, and the content that prevents to hold in the pipe is not hard up under the water pressure effect.

On the basis of the technical scheme, the sealing device further comprises a first sealing ring, the inner wall surface of the accommodating hole comprises a first step surface, and under the action of the pressing plate, the content in the accommodating hole is abutted against the first step surface through the first sealing ring.

On the basis of the technical scheme, a plurality of connecting holes are fixedly formed in the periphery of the accommodating hole, nuts are embedded in the connecting holes, and screws penetrate through the pressing plate and are connected with the nuts to fix the pressing plate.

On the basis of the technical scheme, the inner wall surface of the accommodating cavity partially extends into the accommodating cavity and forms a plurality of rib plates, and the rib plates are used for limiting and supporting the contents in the accommodating cavity.

On the basis of the technical scheme, the fluid cavity comprises a neck-reducing section which is integrally formed.

On the basis of the technical scheme, the novel shielding cover further comprises an upper cover plate and a cover cap, the containing cavity is vertically intersected with the axis of the fluid cavity, the containing cavity is extended along the axis of the containing cavity and forms an opening on the shell, the upper cover plate is connected with the upper end of the shell through a second sealing ring to seal the opening, the first end of the cover cap is hinged to the upper cover plate, a turning plate is arranged at the second end of the cover cap, and the cover cap is used for shielding the upper cover plate.

On the basis of the technical scheme, the shell and the upper cover plate are made of plastic materials, the shell is integrally molded by injection, the upper cover plate and the shell are fixed in any mode of ultrasonic welding, laser welding or bonding, and when the upper cover plate and the shell are welded by ultrasonic, the edge strips are arranged between the opposite end faces of the upper cover plate and the shell.

The utility model provides an ultrasonic water meter, includes as above water meter case, circuit board, transducer, display, communication module and group battery, the circuit board sets firmly in holding the intracavity, the circuit board respectively with transducer, display, communication module and group battery respectively electric connection, the transducer is used for taking place and receives the ultrasonic signal who passes this fluid chamber, the display is used for showing fluid data information, communication module is used for communicating with outside smart machine, the group battery is used for providing the power.

On the basis of the technical scheme, the circuit board comprises a first circuit board and a second circuit board which are fixedly arranged in the accommodating cavity from top to bottom, the first circuit board is parallel to the axis of the fluid cavity and is close to the fluid cavity, the transducer is electrically connected with the first circuit board and can send signals to the first circuit board, the second circuit board is electrically connected with the first circuit board, and the display, the communication module and the battery pack are respectively electrically connected with the second circuit board.

Advantageous effects

The invention has reasonable structure, the housing is internally provided with the accommodating cavity and the fluid cavity which are integrally formed by plastic materials, namely, the accommodating cavity and the fluid cavity can share one wall surface, thereby being beneficial to reducing the production and manufacturing cost and having good environmental tolerance and sealing property. Divide two baffle plates of locating the accommodation hole both sides to enclose the vallecular cavity that closes formation for the encapsulating is with sealed accommodation hole, still including setting firmly in the clamp plate that holds the intracavity and the accommodation hole is established to the lid in addition, so can improve the sealing performance who holds the hole department greatly, avoid sealed inefficacy, still can significantly reduce the encapsulating volume simultaneously, and the process that the sealed lead to of whole encapsulating in avoiding prior art holds the chamber is complicated to waste time and energy, dry time is long and with high costs scheduling problem appears. In addition, the fluid cavity comprises the integrally formed necking section, so that the number of components can be further reduced, and the cost is reduced.

The utility model discloses well circuit board is including the first circuit board and the second circuit board that set up from top to bottom, and the space between first circuit board and second circuit board can be used to the group battery of the big electric quantity of holding, makes the water gauge structure compacter, the volume is smaller and more exquisite, and is favorable to realizing the overlength duration of water gauge, still is favorable to reducing the casing material quantity in addition, further reduces production manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of the invention and that other embodiments may be derived by those skilled in the art without inventive step from the drawings provided.

FIG. 1: a three-dimensional structure schematic diagram of the shell;

FIG. 2: the structural schematic diagram of the top view of the shell;

FIG. 3: the pressure plate, the transducer and the first circuit board are arranged in the shell body;

FIG. 4: the ultrasonic water meter is in a three-dimensional structure schematic diagram after the cover is removed;

FIG. 5: a section structure schematic diagram of a front view of the ultrasonic water meter;

FIG. 6: fig. 5 is a schematic perspective view of the battery pack with the upper cover plate, the second circuit board, and the battery pack removed;

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full ambit of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another like element in a structure, device, or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, and communication between two elements, and may include direct connection and indirect connection through intervening media, where the meaning of the terms is to be understood by those skilled in the art as appropriate.

Herein, the term "plurality" means two or more, unless otherwise specified.

Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.

Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.

The water meter shell as shown in fig. 1 to 3 comprises an integrally formed shell 1, wherein an accommodating cavity 101 and a fluid cavity 102 are formed in the shell 1 in an opposite manner, two ends of the fluid cavity 102 extend out of the shell 1 and form an inlet pipe 1021 and an outlet pipe 1022, and the fluid cavity 102 comprises an integrally formed necking section, which is beneficial to simplifying the structure of the water meter and reducing the cost. As shown in fig. 4 and 5, the device further comprises an upper cover plate 2 and a cover 3, wherein the accommodating cavity 101 is perpendicular to the axis of the fluid cavity 102, a part of the wall surface of the fluid cavity 102 forms a common wall of the accommodating cavity 101 and the fluid cavity 102, the accommodating cavity 101 is extended along the axis and forms an opening on the housing 1, the upper cover plate 2 is connected with the upper end of the housing 1 through a second sealing ring 13 to seal the opening, a first end of the cover 3 is hinged with the upper cover plate 2, a second end of the cover 2 is provided with a turning plate, and the cover 3 is used for covering the upper cover plate 2. As shown in fig. 4, casing 1 and upper cover plate 2 adopt the plastics material, the integrative injection moulding of casing 1, in this embodiment, be equipped with the rib between the terminal surface that casing 1 and upper cover plate 2 are relative, the outer fringe level of upper cover plate 2 outwards extends and downwardly extending forms the slot on the reason of holding casing 1, and slot tank bottom department is located to the rib to it is fixed through ultrasonic welding to make things convenient for upper cover plate 2 and casing 1, in the utility model discloses a in other embodiments, also can be fixed or bond fixedly through laser welding, need not to set up the rib this moment. The ultrasonic welding, the laser welding or the bonding and fixing are all the prior art, and are not described herein again.

The utility model discloses in, as shown in fig. 1-3, fluid chamber 102 and holding chamber 101 communicate through three accommodation hole 9, accommodation hole 9 extends and forms to holding chamber 101 and holds the pipe, and three hold the pipe and locate the homonymy of fluid chamber 102, and wherein two hold the pipe holes and locate the both ends of the interior reducing section of fluid chamber 102 for hold transducer 5, another hold the pipe and locate on the reducing section of fluid chamber 102, be used for holding temperature sensor. The transducer 5 can be accommodated in the accommodating pipes at two ends of the reducing section, and the temperature sensor is accommodated in the accommodating pipe of the reducing section, so that signals can be prevented from being sent and received through the wall surface of the fluid cavity 102, the signal strength can be improved, the subsequent signal processing flow can be simplified, the measurement accuracy of the water meter can be improved, and the product performance and the measurement stability can be improved.

As shown in fig. 1 to 3, the inner wall surface of the accommodating cavity 101 partially extends into the accommodating cavity 101 and forms two baffle plates 10, the baffle plates 10 extend along the axis of the fluid cavity 102 and are respectively arranged at two sides of the accommodating hole 9, and the cavity formed by the two baffle plates 10 is used for pouring glue to seal the accommodating hole 9. During specific operation, the height of the glue filling liquid level is higher than the accommodating hole 9 and lower than the top surface of the partition plate 10. Therefore, the glue consumption for glue filling can be greatly reduced, the glue filling operation is simple and easy to implement, the glue solution drying time is short, the drying effect is good, and the assembly efficiency is favorably improved. Therefore, the sealing device can realize higher sealing grade at lower cost, and is simple and easy to operate.

As shown in fig. 3, the portable water treatment instrument further comprises a pressing plate 11, wherein a threading hole is formed in the pressing plate 11, and the pressing plate 11 is fixedly arranged in the accommodating cavity 101 and used for covering the accommodating hole for accommodating the transducer 5, so that the content in the accommodating hole is prevented from loosening under the action of water pressure. Still be equipped with first sealing washer 12 in the accommodation hole 9 that holds transducer 5, the internal face of accommodation hole 9 includes first step face, transducer 5's outer wall include with the second step face of first step face adaptation the clamp plate 11 is under the effect, the second step face on the transducer 5 is contradicted through first sealing washer 12 and first step face, so can further provide accommodation hole 9's sealing performance. In addition, for the pressing plate 11 is convenient to install, a plurality of connecting holes are fixedly arranged on the periphery of the accommodating hole 9, nuts are embedded in the connecting holes, and screws penetrate through the pressing plate 11 and are connected with the nuts to fix the pressing plate 11.

As shown in fig. 1 to 3, the inner wall surface of the accommodating cavity 101 partially extends into the accommodating cavity 101 and forms a plurality of rib plates 14, the rib plates 14 are perpendicular to the axis of the retaining wall plate 10 and extend laterally to be fixedly connected with the retaining wall plate 10, and the rib plates 14 can be used for spacing and supporting the contents in the accommodating cavity 101.

An ultrasonic water meter as shown in fig. 4-6 comprises the water meter housing, the circuit board 4, the transducer 5, a temperature sensor (not shown), a display 6, a communication module and a battery pack 7, wherein the transducer 5 is used for generating and receiving ultrasonic signals passing through the fluid cavity 102, the display 6 is used for displaying fluid data information, the communication module is used for communicating with external intelligent equipment, and the battery pack 7 is used for providing power. Circuit board 4 sets firmly in holding chamber 101, circuit board 4 sets firmly first circuit board 401 and second circuit board 402 in holding chamber 101 including from top to bottom, first circuit board 401 is close to fluid chamber 102 setting and with two transducers 5 and temperature sensor electric connection, but two transducers 5 and temperature sensor send signal to first circuit board 401, second circuit board 402 is located first circuit board 401 top and through biased contact pin and first circuit board 401 electric connection, just second circuit board 402 and display 6, communication module and group battery 7 electric connection, wherein display 6 includes the display screen, the display screen inlays and establishes in the notch on upper cover plate 2, and passes through ultrasonic wave and 2 sealing connection of upper cover plate, be equipped with the arris strip between the terminal surface that display screen and 2 notches of upper cover plate are relative, conveniently pass through ultrasonic bonding display screen and upper cover plate 2.

As shown in fig. 6, in this embodiment, the battery pack 7 includes two batteries, the batteries are electrically connected to the second circuit board 402 upwards, the two batteries are disposed along the axis of the fluid chamber 102 and are symmetrically disposed on the bottom surface of the second circuit board 402, the end surface of the rib plate 14 facing the batteries is adapted to the outer wall surface of the batteries, for example, the end surface of the rib plate 14 facing the batteries has an arc notch or a square notch to limit the batteries, and in addition, the end surface is abutted upwards against the batteries through an elastic pad, so that the batteries can be flexibly supported upwards, and further, dry batteries with a larger volume can be mounted, thereby realizing a larger cruising ability.

As shown in fig. 5, be equipped with two reflectors 15, two support rib reorganizers 16 and both ends clamping ring 17 in the fluid cavity 102, two transducer 5 divides the both sides of locating middle necking down section, support rib reorganizer 16 includes axostylus axostyle 161 and locates a plurality of support claws 162 of axostylus axostyle 161 one end, the internal wall of fluid cavity 102 is equipped with the cell body of holding support claw 162, end clamping ring 17 inlays and compresses tightly support rib reorganizer 16 on the cell body lateral wall in fluid cavity 102 and inwards, support rib reorganizer 16 adopts the plastics material, reflector 15 adopts in the first end of metal material and reflector inlays the axostylus axostyle 161 of establishing support rib reorganizer 16 through the mode of moulding plastics, the relative transducer 5 of plane of reflection of reflector 15 second end sets up to make two transducer 5 sends each other and received signal.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims (10)

1. The utility model provides a casing for water gauge, characterized in that, includes integrated into one piece's casing (1), be formed with the cavity (101) and the fluid cavity (102) that hold that are mutually opposite in casing (1), the both ends of fluid cavity (102) extend to casing (1) outside and form inlet pipe (1021) and outlet pipe (1022), fluid cavity (102) and hold cavity (101) and communicate through a plurality of accommodation holes (9), the internal face that holds cavity (101) partly extends and forms two baffle boards (10) to holding cavity (101), baffle board (10) extend and divide the both sides of locating accommodation hole (9) along the axis of fluid cavity (102), two baffle board (10) enclose the cavity that closes and form and are used for the encapsulating with sealed accommodation hole (9).

2. A casing for a water meter according to claim 1, further comprising a pressing plate (11), wherein a threading hole is formed in the pressing plate (11), the accommodating hole (9) extends into the accommodating cavity (101) to form an accommodating tube, and the pressing plate (11) is fixedly arranged in the accommodating cavity (101) and is used for sealing the accommodating hole (9) to prevent the content in the accommodating tube from loosening under the action of water pressure.

3. A housing for a water meter as set forth in claim 2, further comprising a first seal ring (12), wherein an inner wall surface of said receiving hole (9) includes a first step surface, and wherein contents in said receiving hole (9) are interfered with said first step surface via said first seal ring (12) by said pressing plate (11).

4. A casing for a water meter according to claim 2, wherein a plurality of connection holes are fixedly formed in the outer periphery of the accommodation hole (9), nuts are embedded in the connection holes, and screws are connected with the nuts through the pressure plate (11) to fix the pressure plate (11).

5. The housing for the water meter according to claim 1, characterized in that the inner wall surface of the accommodating cavity (101) partially extends into the accommodating cavity (101) and forms a plurality of rib plates (14), and the rib plates (14) are used for limiting and supporting the content in the accommodating cavity (101).

6. A housing for a water meter as set forth in claim 1, wherein said fluid chamber (102) includes an integrally formed necked section.

7. A shell for a water meter according to any one of claims 1 to 6, further comprising an upper cover plate (2) and a cover (3), wherein the accommodating cavity (101) is perpendicular to the axis of the fluid cavity (102), the accommodating cavity (101) is extended along the axis and forms an opening on the shell (1), the upper cover plate (2) is connected with the upper end of the shell (1) through a second sealing ring (13) to seal the opening, a first end of the cover (3) is hinged with the upper cover plate (2), a second end of the cover (3) is provided with a turning plate, and the cover (3) is used for covering the upper cover plate (2).

8. A casing for a water meter according to claim 7, wherein the casing (1) and the upper cover plate (2) are made of plastic, the casing (1) is integrally injection-molded, the upper cover plate (2) and the casing (1) are fixed by any one of ultrasonic welding, laser welding or bonding, and when the upper cover plate (2) and the casing (1) are ultrasonically welded, ribs are arranged between the opposite end surfaces of the upper cover plate (2) and the casing (1).

9. An ultrasonic water meter, characterized in that, includes the casing for the water meter in any one of claims 1-6, circuit board (4), transducer (5), display (6), communication module and group battery (7), circuit board (4) sets firmly in holding chamber (101), circuit board (4) respectively with transducer (5), display (6), communication module and group battery (7) respectively electric connection, transducer (5) are used for taking place and receiving the ultrasonic signal that passes this fluid chamber (102), display (6) are used for showing fluid data information, communication module is used for with the communication of outside smart machine, group battery (7) are used for providing the power.

10. An ultrasonic water meter according to claim 9, wherein the circuit board (4) includes a first circuit board (401) and a second circuit board (402) which are vertically and fixedly disposed in the accommodating chamber (101), the first circuit board (401) is parallel to the axis of the fluid chamber (102) and disposed near the fluid chamber (102), the transducer (5) is electrically connected to the first circuit board (401) and can transmit signals to the first circuit board (401), the second circuit board (402) is electrically connected to the first circuit board (401), and the display (6), the communication module and the battery pack (7) are electrically connected to the second circuit board (402) respectively.

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