Internet-of-things buried water meter remote transmission module and water meter

Abstract

The utility model provides an Internet of Things buried water meter remote transmission module and a water meter, and relates to the technical field of water meters, the Internet of Things buried water meter remote transmission module comprises a circuit board, an antenna, an inner shell, an outer shell and a battery; the circuit board is connected with the antenna, and the circuit board and the antenna are both installed in the inner shell; the circuit board is conductively connected with the battery; the inner shell and the battery are respectively installed in the outer shell, and the inner shell and the outer shell are sealed through glue pouring. Glue filling sealing is achieved, antenna glue filling and water vapor invasion can be avoided, and the signal strength of the antenna is guaranteed while sealing and waterproof are achieved. Besides, the cured glue material between the inner shell and the outer shell can be removed, the circuit board is not damaged in the process, the circuit board is convenient to overhaul, and the equipment maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of water meters, in particular to an Internet of Things underground water meter remote transmission module and a water meter. Background Art

[0002] The use environment of underground water meters is relatively complex, usually accompanied by high humidity, soil coverage, immersion, sewage corrosion, high or low temperatures, etc., which affects the performance and service life of the remote transmission module used for communication of underground water meters. Since electronic devices need to be waterproof, the remote transmission module needs to be waterproofed, but the plastic shell has a certain water absorption, and water vapor is easy to accumulate inside, which can easily cause damage to electronic components. Although the use of technical shells can improve the protection performance, the metal has shielding properties, which will weaken the communication signal, thereby affecting the communication function of the remote transmission module.

[0003] In the prior art, the remote transmission module is usually sealed by glue filling. However, on the one hand, the antenna cannot be filled with glue, and on the other hand, the erosion of the antenna by water vapor will affect the signal transmission. It is still impossible to resolve the technical contradiction between waterproofing the remote transmission module and ensuring smooth communication functions. In addition, due to the size limitation of the remote transmission module, the depth of glue filling is usually small, and water vapor intrusion is still prone to occur after glue filling. Moreover, if the circuit sealed by glue filling is damaged, secondary damage will be caused to the electronic components during the process of removing the solidified glue, making the circuit filled with glue unable to be repaired, increasing the equipment maintenance cost. Utility Model Content

[0004] The utility model aims to provide an Internet of Things buried water meter remote transmission module to alleviate the technical problem of the contradiction between sealing and waterproofing and ensuring the antenna signal strength.

[0005] In the first aspect, the utility model provides an IoT underground water meter remote transmission module, comprising: a circuit board, an antenna, an inner shell, an outer shell and a battery;

[0006] The circuit board is connected to the antenna, and both the circuit board and the antenna are installed in the inner shell;

[0007] The circuit board is conductively connected to the battery;

[0008] The inner shell and the battery are respectively installed in the outer shell, and the inner shell and the outer shell are sealed by glue.

[0009] In combination with the first aspect, the utility model provides a first possible implementation of the first aspect, wherein the inner shell comprises: a transparent shell and a cover shell connected to the transparent shell;

[0010] The circuit board is installed in the transparent shell, the antenna is inserted in the cover shell, the transparent shell and the cover shell are both installed in the outer shell, and the outer shell and the transparent shell are sealed by glue.

[0011] In combination with the first possible implementation of the first aspect, the utility model provides a second possible implementation of the first aspect, wherein the transparent shell is covered with a base, the base is provided with a wiring hole, and the circuit connected to the circuit board is led out from the wiring hole;

[0012] The wiring hole is installed with a first sealing plug and a first compression nut. The first sealing plug is compressed between the first compression nut and the base, and the first sealing plug fills the gap between the base and the circuit board connected.

[0013] In combination with the first possible implementation of the first aspect, the utility model provides a third possible implementation of the first aspect, wherein the outer wall of the transparent shell is provided with a limiting protrusion, and the inner wall of the shell is provided with a card groove matched with the limiting protrusion.

[0014] In combination with the third possible implementation of the first aspect, the utility model provides a fourth possible implementation of the first aspect, wherein card slots are respectively provided on the opposite inner walls of the shell, and the outer wall of the transparent shell is provided with limiting protrusions that are the same in number and matched with the card slots.

[0015] In combination with the first aspect, the utility model provides a fifth possible implementation of the first aspect, wherein the housing comprises: a cavity housing body, an upper cover and a plug cover;

[0016] The cavity shell body is provided with an electronic module compartment and a battery compartment, the electronic module compartment is separated from the battery compartment, and the opening direction of the electronic module compartment is opposite to the opening direction of the battery compartment;

[0017] The inner shell is installed in the electronic module compartment, and the inside of the electronic module compartment is filled with glue to fix the inner shell, and the upper cover is closed on the opening of the electronic module compartment;

[0018] The battery is installed in the battery compartment, and the plug cover is closed on the opening of the battery compartment.

[0019] In combination with the fifth possible implementation of the first aspect, the utility model provides a sixth possible implementation of the first aspect, wherein a sealing cover is installed between the cavity shell body and the upper cover, and the sealing cover seals the inner shell in the electronic module compartment.

[0020] In combination with the fifth possible implementation of the first aspect, the utility model provides a seventh possible implementation of the first aspect, wherein the plug cover comprises: a sealing plug, a gasket and a pressure cap;

[0021] The sealing plug is inserted into the opening of the battery compartment, and the sealing plug abuts against the battery;

[0022] The pressing cap is installed in the opening of the battery compartment, and the gasket is pressed tightly between the sealing plug and the pressing cap.

[0023] In combination with the fifth possible implementation of the first aspect, the utility model provides an eighth possible implementation of the first aspect, wherein the opening end of the inner shell is inserted into the bottom of the electronic module compartment.

[0024] In the second aspect, the water meter provided by the utility model is equipped with the Internet of Things buried water meter remote transmission module recorded in the first aspect.

[0025] The embodiment of the utility model brings the following beneficial effects: the circuit board is connected to the antenna, and the circuit board and the antenna are both installed in the inner shell, the circuit board is connected to the battery, the inner shell and the battery are respectively installed in the outer shell, and the inner shell and the outer shell are sealed with glue, which not only realizes the glue sealing, but also can avoid the antenna glue filling and water vapor intrusion, and ensures the signal strength of the antenna while achieving sealing and waterproofing. In addition, the cured glue between the inner shell and the outer shell can be removed, and the circuit board will not be damaged during the process, which is convenient for the inspection and maintenance of the circuit board, and reduces the equipment maintenance cost.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the related technologies, the drawings required for use in the specific implementation methods or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 A cross-sectional view of the remote transmission module of the Internet of Things underground water meter provided by the embodiment of the utility model Figure 1 ;

[0029] Figure 2 An exploded diagram of a circuit board, an antenna and an inner shell of a remote transmission module of an underground water meter of the Internet of Things provided by an embodiment of the utility model;

[0030] Figure 3 A schematic diagram of the inner shell of the remote transmission module of the Internet of Things underground water meter provided by an embodiment of the utility model;

[0031] Figure 4 A schematic diagram of the cavity shell body of the Internet of Things underground water meter remote transmission module provided by an embodiment of the utility model;

[0032] Figure 5 A cross-sectional view of the remote transmission module of the Internet of Things underground water meter provided by the embodiment of the utility model Figure 2 ;

[0033] Figure 6 An exploded diagram of the Internet of Things underground water meter remote transmission module provided in an embodiment of the utility model.

[0034] Icons: 001-circuit board; 002-antenna; 003-inner shell; 301-transparent shell; 302-cover shell; 303-base; 304-first sealing plug; 305-first clamping nut; 306-limiting protrusion; 307-bump; 004-outer shell; 401-card slot; 402-socket; 403-hook; 404-bracket; 405-wiring plug cap; 410-chamber shell body; 411-electronic module compartment; 412-battery compartment; 413-second sealing plug; 414-second clamping nut; 420-upper cover; 421-second sleeve; 422-slot; 430-plug cover; 431-sealing plug; 432-gasket; 433-pressure cap; 440-sealing cover; 441-first sleeve; 442-transparent protrusion; 005-battery. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used to describe the difference in names, and cannot be understood as indicating or implying relative importance. The physical quantities in the formula, if not separately marked, should be understood as basic quantities of the basic units of the International System of Units, or derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, the Internet of Things underground water meter remote transmission module provided by the embodiment of the utility model includes: a circuit board 001, an antenna 002, an inner shell 003, an outer shell 004 and a battery 005; the circuit board 001 is connected to the antenna 002, and the circuit board 001 and the antenna 002 are both installed in the inner shell 003; the circuit board 001 is conductively connected with the battery 005; the inner shell 003 and the battery 005 are respectively installed in the outer shell 004, and the inner shell 003 and the outer shell 004 are sealed with glue.

[0039] When assembling the IoT underground water meter remote transmission module, first install the circuit board 001 and the antenna 002 in the inner shell 003, then place the inner shell 003 in the outer shell 004, seal and fix it by glue filling, and the outer shell 003 protects the outer side of the circuit board 001, isolating the contact and adhesion of the glue, isolating the water vapor and ensuring that the solidified glue can be removed without causing damage to the circuit board 001, which is convenient for the inspection and maintenance of the circuit board 001. In addition, by filling the space between the inner shell 003 and the outer shell 004 with glue, the glue can be prevented from contacting the antenna 002, thereby ensuring that the signal strength of the antenna 002 is not affected, overcoming the technical contradictions and technical problems of sealing and waterproofing and ensuring the signal strength of the antenna 002, improving the protection performance, and being conducive to extending the service life of the IoT underground water meter remote transmission module under complex environmental conditions.

[0040] like Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, in the embodiment of the utility model, the inner shell 003 includes: a transparent shell 301 and a cover shell 302 connected to the transparent shell 301; the circuit board 001 is installed in the transparent shell 301, the antenna 002 is inserted in the cover shell 302, the transparent shell 301 and the cover shell 302 are both installed in the outer shell 004, and the outer shell 004 and the transparent shell 301 are sealed with glue.

[0041] Among them, the transparent shell 301 and the cover shell 302 are integrally formed and made of transparent material. The antenna 002 is inserted in the cover shell 302. The glue between the outer shell 004 and the transparent shell 301 is cured to form a sealing structure. When pouring glue, it should be ensured that the cover shell 302 is located above the transparent shell 301 to prevent the glue from flowing to the surface of the cover shell 302, thereby preventing the glue from affecting the signal of the antenna 002 in the cover shell 302.

[0042] In addition, the transparent shell 301 is covered with a base 303, through which the circuit board 001 can be enclosed in the transparent shell 301, thereby preventing the glue from penetrating from the open end of the transparent shell 301. The base 303 is provided with a wiring hole, and the circuit connected to the circuit board 001 is led out from the wiring hole; the wiring hole is installed with a first sealing plug 304 and a first compression nut 305, and the first sealing plug 304 is compressed between the first compression nut 305 and the base 303, and the first sealing plug 304 fills the gap between the base 303 and the circuit connected to the circuit board 001.

[0043] When assembling, place the housing 004 Figure 1 In the posture shown, the inner shell 003 is arranged vertically with one end of the base 303 inserted into the electronic module compartment 411 from top to bottom, so that the open end of the inner shell 003 (or described as the open end of the transparent shell 301) is inserted into the bottom of the electronic module compartment 411. The glue that penetrates into the outer shell 004 from top to bottom will wrap and cover the transparent shell 301 and the base 303. The height difference between the top surface of the glue and the base 303 is the glue injection depth. In this way, the glue injection depth is increased within a limited structural space, thereby improving the waterproof performance.

[0044] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the outer wall of the transparent shell 301 is provided with a limiting protrusion 306 , and the inner wall of the outer shell 004 is provided with a slot 401 matched with the limiting protrusion 306 .

[0045] When the inner shell 003 is inserted into the outer shell 004, the limiting protrusion 306 slides and fits in the card slot 401, thereby ensuring that the inner shell 003 and the outer shell 004 are accurately aligned. In addition, the card slots 401 can be respectively provided on the opposite inner side walls in the outer shell 004, and the outer side wall of the transparent shell 301 is provided with the same number of limiting protrusions 306 as the card slots 401 and adapted thereto. Through the one-to-one corresponding sliding fit of the plurality of limiting protrusions 306 and the plurality of card slots 401, a relatively uniform gap can be formed between the periphery of the transparent shell 301 and the inner side wall of the outer shell 004. When the glue is poured, the glue penetrates into the peripheral area of ​​the transparent shell 301, so that the inner shell 003 can be more tightly wrapped.

[0046] It should be noted that during the glue pouring process, the inner shell 003 should be relatively fixed relative to the outer shell 004, and a gap should be provided between the base 303 and the bottom surface of the electronic module compartment 411, so that the glue can penetrate into the area below the base 303, thereby improving the sealing effect.

[0047] like Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, the outer shell 004 includes: a cavity shell body 410, an upper cover 420 and a plug cover 430; the cavity shell body 410 is provided with an electronic module compartment 411 and a battery compartment 412, the electronic module compartment 411 is separated from the battery compartment 412, and the opening direction of the electronic module compartment 411 is opposite to the opening direction of the battery compartment 412; the inner shell 003 is installed in the electronic module compartment 411, and the inside of the electronic module compartment 411 is glued to fix the inner shell 003, and the upper cover 420 covers the opening of the electronic module compartment 411; the battery 005 is installed in the battery compartment 412, and the plug cover 430 covers the opening of the battery compartment 412.

[0048] In this embodiment, the end of the battery compartment 412 away from the opening thereof can be provided with a socket 402, and the wiring plug cap 405 is inserted into the socket 402. The power transmission line of the battery 005 can be led out through the through hole on the wiring plug cap 405 and connected to the circuit board 001 in the inner shell 003. After the inner shell 003 is assembled into the electronic module compartment 411, the upper part of the cavity shell body 410 is sealed with glue, and the glue can not only fill the internal gap of the electronic module compartment 411, but also fill and seal the area above the wiring plug cap 405.

[0049] In addition, a hook portion 403 and a bracket 404 may be provided on the outside of the cavity shell body 410 , and the hook portion 403 may be hooked on the target installation position, and the bracket 404 may be provided with holes for installing bolts or positioning pins to fix the outer shell 004 .

[0050] See also Figure 6 A sealing cover 440 is installed between the cavity shell body 410 and the upper cover 420, and the sealing cover 440 seals the inner shell 003 in the electronic module compartment 411.

[0051] After the glue is poured, the sealing cover 440 is covered on the cavity shell body 410 and sealed with glue. The sealing cover 440 can seal the opening of the electronic module compartment 411 and the wiring plug cap 405, and then the upper cover 420 is installed to improve the protection effect.

[0052] In this embodiment, a projection 307 is provided on the transparent shell 301. The projection 307 is transparent and has a cavity formed inside for accommodating the indicator light, thereby ensuring that the light of the indicator light connected to the circuit board 001 can pass through the projection 307. A transparent projection 442 that is raised away from the projection 307 is provided on the sealing cover 440 at the position corresponding to the projection 307. The transparent projection 442 forms a groove that is connected to the projection 442 on the side facing the projection 307. The upper cover 420 has a slot 422 that allows the transparent projection 442 to pass through. The light of the indicator light can be seen through the projection 307 and the transparent projection 442. In addition, the sealing cover 440 is provided with a first casing 441 that is sleeved on the shell 302, and the upper cover 420 is provided with a second casing 421 that is sleeved on the first casing 441, see Figure 2 and Figure 6 The outer side of the antenna 002 is protected by three layers of protection, namely, the cover 302, the first sleeve 441 and the second sleeve 421. The cover 302, the first sleeve 441 and the second sleeve 421 are all made of non-metallic materials to avoid affecting the signal of the antenna 002.

[0053] like Figure 1 and Figure 6 As shown, the plug cover 430 includes: a sealing plug 431, a gasket 432 and a pressure cap 433; the sealing plug 431 is inserted into the opening of the battery compartment 412, and the sealing plug 431 abuts against the battery 005; the pressure cap 433 is installed in the opening of the battery compartment 412, and the gasket 432 is pressed between the sealing plug 431 and the pressure cap 433.

[0054] The battery 005 is inserted into the battery compartment 412 from bottom to top, and then the sealing plug 431, the gasket 432 and the pressure cap 433 are installed in the bottom opening of the battery compartment 412 in sequence. Multiple sealing rings can be set on the sealing plug 431, and the pressure cap 433 cooperates with the inner wall thread of the opening of the battery compartment 412. By tightening the pressure cap 433, the gasket 432, the sealing plug 431 and the battery 005 can be pressed and fixed.

[0055] In addition, the circuit connecting the circuit board 001 can be led out through the opening at the bottom of the cavity shell body 410, and a second sealing plug 413 for the circuit can be installed in the opening, and the second sealing plug 413 is tightened by a second clamping nut 414 connected to the cavity shell body 410, thereby ensuring that the opening at the bottom of the cavity shell body 410 is sealed.

[0056] The water meter provided in the embodiment of the utility model is equipped with the Internet of Things buried water meter remote transmission module recorded in the above-mentioned implementation mode. The water meter has the technical effects of the above-mentioned Internet of Things buried water meter remote transmission module, which will not be repeated here.

[0057] Corresponding to the IoT buried water meter remote transmission module described in the above-mentioned embodiment, the remote transmission module assembly method includes the following steps:

[0058] Connect the circuit board 001 and the antenna 002, and install the circuit board 001 and the antenna 002 in the inner shell 003;

[0059] Connect the circuit board 001 to the battery 005, and install the inner shell 003 and the battery 005 in the outer shell 004 respectively;

[0060] Glue is poured between the inner shell 003 and the outer shell 004 to seal.

[0061] By adopting the remote transmission module assembly method recorded in this embodiment, the assembly and glue filling process corresponds to the structural adaptability of the remote transmission module in the above-mentioned embodiment, and can be assembled to form the Internet of Things buried water meter remote transmission module recorded in the above-mentioned embodiment, so as to overcome the technical contradiction and inability to take into account the technical problems of sealing and waterproofing and ensuring the signal strength of antenna 002.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An Internet of Things underground water meter remote transmission module, characterized in that: include: Circuit board (001), antenna (002), inner shell (003), outer shell (004) and battery (005); The circuit board (001) is connected to the antenna (002), and both the circuit board (001) and the antenna (002) are installed in the inner shell (003); The circuit board (001) is conductively connected to the battery (005); The inner shell (003) and the battery (005) are respectively installed in the outer shell (004), and the inner shell (003) and the outer shell (004) are sealed by glue.

2. The Internet of Things underground water meter remote transmission module according to claim 1 is characterized in that: The inner shell (003) comprises: a transparent shell (301) and a cover shell (302) connected to the transparent shell (301); The circuit board (001) is installed in the transparent shell (301), the antenna (002) is inserted in the cover shell (302), the transparent shell (301) and the cover shell (302) are both installed in the outer shell (004), and the outer shell (004) and the transparent shell (301) are sealed by glue.

3. The Internet of Things underground water meter remote transmission module according to claim 2 is characterized in that: The transparent shell (301) is covered with a base (303), the base (303) is provided with a wiring hole, and the circuit connected to the circuit board (001) is led out from the wiring hole; The wiring hole is installed with a first sealing plug (304) and a first clamping nut (305), and the first sealing plug (304) is clamped between the first clamping nut (305) and the base (303), so that the first sealing plug (304) fills the gap between the base (303) and the line connected to the circuit board (001).

4. The Internet of Things underground water meter remote transmission module according to claim 2 is characterized in that: The outer wall of the transparent shell (301) is provided with a limiting protrusion (306), and the inner wall of the outer shell (004) is provided with a slot (401) adapted to the limiting protrusion (306).

5. The Internet of Things underground water meter remote transmission module according to claim 4 is characterized in that: The opposite inner side walls in the shell (004) are respectively provided with the card slots (401), and the outer side wall of the transparent shell (301) is provided with the same number of the limiting protrusions (306) as the card slots (401) and adapted thereto.

6. The Internet of Things underground water meter remote transmission module according to claim 1 or 3, characterized in that: The housing (004) comprises: a cavity housing body (410), an upper cover (420) and a plug cover (430); The cavity shell body (410) is provided with an electronic module compartment (411) and a battery compartment (412), the electronic module compartment (411) is separated from the battery compartment (412), and the opening direction of the electronic module compartment (411) is opposite to the opening direction of the battery compartment (412); The inner shell (003) is installed in the electronic module compartment (411), and the inside of the electronic module compartment (411) is filled with glue to fix the inner shell (003), and the upper cover (420) covers the opening of the electronic module compartment (411); The battery (005) is installed in the battery compartment (412), and the plug cover (430) covers the opening of the battery compartment (412).

7. The Internet of Things underground water meter remote transmission module according to claim 6 is characterized in that: A sealing cover (440) is installed between the cavity shell body (410) and the upper cover (420), and the sealing cover (440) seals the inner shell (003) in the electronic module compartment (411).

8. The Internet of Things underground water meter remote transmission module according to claim 6 is characterized in that: The plug cover (430) comprises: a sealing plug (431), a gasket (432) and a pressure cap (433); The sealing plug (431) is inserted into the opening of the battery compartment (412), and the sealing plug (431) abuts against the battery (005); The pressing cap (433) is installed in the opening of the battery compartment (412), and the gasket (432) is pressed tightly between the sealing plug (431) and the pressing cap (433).

9. The Internet of Things underground water meter remote transmission module according to claim 6, characterized in that: The open end of the inner shell (003) is inserted into the bottom of the electronic module compartment (411).

10. A water meter, characterized in that: The water meter is equipped with the Internet of Things buried water meter remote transmission module as described in any one of claims 1 to 9.

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