KR102557469B1 - Meter reading terminal integrated with digital water meter - Google Patents

Abstract

The present invention relates to a digital water meter integrated meter reading terminal, capable of easily and firmly fixing connection with a digital water meter body in a one-touch method, and reducing product costs by simplifying a structure. The present invention is the digital water meter integrated meter reading terminal, comprising: a water meter main body; and a meter reading terminal.

Description

Digital water meter integrated meter reading terminal {Meter reading terminal integrated with digital water meter}

The present invention relates to a meter reading terminal integrally mounted on a digital water meter, and more particularly, to enable easy and firm fixation of a coupling with a digital water meter main body in a one-touch manner, and to reduce product cost by simplifying the structure. Shikin relates to a digital water meter integrated meter reading terminal.

In general, a water meter is an instrument for measuring the total amount of water flowing through a water pipe, and in particular, a digital water meter is an instrument for electronically measuring the amount of tap water used.

In addition, recently, a meter reading terminal has been integrated into a digital water meter and transmits the measured tap water consumption meter reading data wirelessly through a communication module so that meter readers can read the water meter remotely and unattended automatically without having to read the water meter one by one. It became.

However, looking at the conventional water meter-integrated meter reading terminal, the structure for coupling and fixing the meter reading terminal to the water meter was complicated, and as a result, there was a problem in that the number of parts increased and assembly productivity decreased.

In addition, there has been a problem that a partitioned diaphragm structure for separately mounting a board and a battery is attached to the inside of the meter reading terminal, or the structure is complicated or bulky.

Registered Utility Model Publication No. 20-0166049 (registration date: October 25, 1999) Registered Utility Model Publication No. 20-0309466 (registration date: March 21, 2003) Publication of Patent Publication 10-2022-0010810 (published on January 27, 2022) Registered Patent Publication No. 10-1429970 (registration date: August 07, 2014)

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a digital water meter integrated meter reading terminal that can be easily and firmly fixed with a digital water meter main body in a one-touch manner. .

Another object of the present invention is to provide a digital water meter-integrated meter reading terminal having a simple structure, easy assembly, and low production cost.

The present invention for achieving the above object is a body portion in which a tap water inlet and an outlet are formed at both ends, an impeller rotatably installed inside the body portion, and protecting the impeller and sealingly coupled to the inner upper portion of the body portion a water meter main body including an upper cover and a fastening part fastened to an upper end of the main body part so that the upper cover is fixed to the main body part and the meter reading terminal is fixed in a one-touch manner; And a meter reading terminal coupled and fixed to the upper part of the water meter body in a one-touch manner,

The meter reading terminal includes a lower case coupled to the upper portion of the water meter body, a substrate and a battery mounted inside the lower case, and coupled to the lower case to cover the substrate and the battery, and is molded inwardly. Including a molding cover portion for injecting, and an upper case coupled and fixed to the lower case,

The lower case has a circular coupling part protruding outside the bottom portion to be inserted into and coupled to the fastening portion of the water meter body, and a ring shape to be seated in the receiving groove of the upper cover of the water meter body outward from the center of the end of the coupling portion. A shielding protrusion that protrudes, a plurality of elastic parts formed by making a groove on the inside of the side surface of the coupling part so that the thickness is thinner than the surroundings, and a hook part that is formed to protrude outward from the elastic part and is engaged in the fastening part of the water meter body And, it is installed in a pair to face the outer surface of the shielding protrusion and characterized in that it includes a fixing part coupled and fixed to the reinforcing piece of the upper plate cover of the water meter body.

In addition, according to the present invention, the coupling portion of the lower case is configured in a circular shape and has a diameter equal to or smaller than that of the first insertion portion of the coupling portion of the water meter body.

In addition, according to the present invention, the elastic part of the lower case is characterized in that it consists of a vertical groove portion with a groove on the vertical surface of the coupling portion, and a horizontal groove portion with a groove on one surface of the end connected to the vertical groove portion.

In addition, according to the present invention, the fixing part of the lower case shielding protrusion consists of a first protrusion and a second protrusion installed vertically at regular intervals so that the reinforcing piece of the upper cover of the water meter body can be inserted and coupled.

The first protrusion and the second protrusion are characterized in that the lower portion is further expanded at a predetermined angle to facilitate insertion when inserting the reinforcing piece of the upper cover.

In addition, according to the present invention, the bottom portion of the lower case is characterized in that the streamlined battery lower seating portion protrudingly installed on which the battery portion is seated.

In addition, according to the present invention, the molding cover part is formed on one side of the inner surface of the battery upper seating part for supporting and pressing the battery part, and the other side is formed with an LCD confirmation window protruding so that the LCD of the substrate part is seated and projected, and the molding liquid It is characterized in that a molding liquid injection port capable of being injected into the inside is formed.

In addition, according to the present invention, the upper case is characterized in that the lid portion of a transparent material is further installed to be rotatably installed.

In addition, according to the present invention, the upper cover of the water meter body includes a central protrusion formed to position the rotating shaft of the impeller and a magnetic body, an accommodation groove formed to seat the shield protrusion of the meter reading terminal around the central projection, and the accommodation groove. It is characterized in that it includes a plurality of reinforcing pieces protruding at regular intervals to the side.

In addition, according to the present invention, the fastening part of the main body of the water meter includes a first insertion part into which the coupling part of the meter reading terminal is inserted, and a hook part bent under the first insertion part and formed on the side surface of the coupling part of the meter reading terminal to be caught and fixed. A first stepped portion, a second insertion portion formed in the lower portion of the first stepped portion, a second stepped portion that is expanded and bent to the lower portion of the second insertion portion and supporting and fixing the upper cover, and a main body to the lower portion of the second stepped portion It is characterized by consisting of a screw part fastened to the upper part of the part.

As such, the present invention provides the advantage of being able to easily and firmly fix the coupling with the body of the digital water meter in a one-touch manner.

In addition, the present invention provides advantages of simple structure, easy assembly, and low production cost.

1 is a perspective view of a digital water meter integrated meter reading terminal according to the present invention;
2 and 3 are configuration diagrams showing a process in which a meter reading terminal according to the present invention is coupled to a digital water meter;
4 is a side configuration diagram of a water meter main body to which a meter reading terminal according to the present invention is coupled;
5 is an exploded perspective view of a meter reading terminal according to the present invention;
Figure 6 (a) (b) is a perspective view of various forms of the lower case according to the present invention,
Figure 7 (a) (b) is a plan view and a bottom view of the lower case according to the present invention,
Figure 8 (a) (b) are side views of the lower case according to the present invention,
9 is a configuration diagram of a substrate unit according to the present invention;
Figure 10 (a) (b) is a perspective view and a plan view showing a state in which the substrate unit and the battery unit are mounted on the lower case according to the present invention,
11 (a) (b) is a perspective view showing a state in which the molding cover and the molding cover according to the present invention are mounted on the lower case;
12 is a bottom perspective view of an upper case according to the present invention;
13 is a configuration diagram of a digital water meter-integrated meter reading terminal in an opened state with a transparent cover according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

First, in adding reference numerals to components of each drawing, it should be noted that the same components have the same numerals as much as possible, even if they are displayed on different drawings. And, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

1 is a perspective view of a digital water meter-integrated meter reading terminal according to the present invention, and FIGS. 2 and 3 are configuration diagrams showing a process in which the meter reading terminal according to the present invention is coupled to a digital water meter.

As shown, the meter reading terminal 100 of the present invention is coupled and fixed to the top of the water meter body 200 in a one-touch manner, and constitutes a digital water meter integrally with the water meter body 200.

The meter reading terminal 100 measures the amount of tap water flowing through the water meter main body 200 and wirelessly transmits the measured tap water usage meter reading data through a communication module.

The water meter main body 200 includes a main body part 210 having a tap water inlet 211 and an outlet 212 formed at both ends, and an impeller (not shown) rotatably installed inside the main body part 210 and , an upper cover 220 that protects the impeller and is sealedly coupled to the inner upper part of the body part 210, the upper cover 220 is fixed to the body part 210, and the meter reading terminal 100 is a one-touch method It includes a fastening part 230 fastened to the upper end of the body part 210 so as to be fixed.

The upper cover 220 includes a central protrusion 221 formed so that the rotation shaft of the impeller and a magnetic material (installed on top of the rotation shaft) are located inside, and the shield protrusion 113 of the meter reading terminal 100 around the central protrusion 221. ) is formed to be seated, and a plurality of reinforcing pieces 222 protruding toward the receiving groove 223 at regular intervals.

The fastening part 230 is fastened to the upper end of the body part 210, and as shown in FIG. 4, the first insertion part 231 into which the coupling part 112 of the meter reading terminal 100 is inserted, and A first stepped portion 232 that is expanded and bent to the lower portion of the insertion portion 231 and to which the hook portion 115 formed on the side surface of the coupling portion 112 of the meter reading terminal 100 is hooked and fixed, and the first stepped portion A second insertion part 233 formed in the lower part of the 232, a second stepped part 234 that is expanded and bent to the lower part of the second insertion part 233 and supports and fixes the upper cover 220, It consists of a screw part 235 fastened to the upper part of the body part 210 to the lower part of the second stepped part 234.

As shown in FIG. 5, the meter reading terminal 100 includes a lower case 110 coupled to the upper portion of the water meter body 200, a substrate unit 120 mounted inside the lower case 110, and a battery unit ( 130), a molding cover portion 140 coupled to the lower case 110 to cover the substrate portion 120 and the battery portion 130 and injecting molding liquid therein, and the lower case ( 110) and an upper case 150 coupled and fixed, and a lid portion 160 made of a transparent material rotatably installed on top of the upper case 140.

The lower case 110 is one of the specific configurations of the present invention, and has a case shape with one side open as shown in FIGS. 230) and a circular coupling portion 112 protruding to be inserted and coupled, and the receiving groove 223 of the upper cover 220 of the water meter body 200 outward from the center of the end portion 112a of the coupling portion 112 ), a shielding protrusion 113 protruding in a ring shape to be seated on, a plurality of elastic parts 114 formed so that the thickness is thinner than the surroundings by making a groove inside the side surface of the coupling part 112, and the elastic part The hook part 115 protrudes outward from the water meter body 200 and is engaged with the fastening part 230 of the water meter body 200, and is installed as a pair to face the outer surface of the shield protrusion 113, A fixing part 116 coupled and fixed to the reinforcing piece part 222 of the upper plate cover 220 of the meter body 200 is included.

The coupling part 112 is configured in a circular shape and has a diameter very close to that of the first insertion part 231 of the fastening part 230 of the water meter body 200.

The shielding protrusion 113 has a shielding groove 113a into which the shielding member 171 is inserted, and a central groove 113b formed on the outside of the top cover 220 of the water meter body 200. The central protrusion 221 is located.

The shielding member 171 performs a shielding function when the water quantity sensor positioned at the top detects the water quantity through the magnetic material of the impeller located inside the central protrusion 221 of the upper diaphragm 220 of the water meter body 200. will do

The elastic part 114 is formed to have a thickness thinner than the surrounding by making a groove on the inside of the side of the coupling part 112, which means that the hook part 115 protruding outward is fastened to the water meter body 200 When the part 230 is inserted into the first insertion part 231, it maintains a certain elasticity and can retreat into the coupling part 112.

The elastic part 114 includes a vertical groove part 114a having a groove on the vertical surface of the coupling part 112 and a horizontal groove part 114b having a groove on one surface of the end 112a in connection with the vertical groove part 114a. can be configured.

When the hook part 115 is inserted into the first insertion part 231 of the fastening part 230, the second insertion part ( 223), it is configured to engage the first step 232 while returning to the original position.

It is preferable to form at least two or more elastic parts 114 and hook parts 115, preferably four in the east, west, south, and north directions.

In addition, the elastic part 114 and the hook part 115 maintain a sealed structure, not a cut shape, so that the lower case 110 is airtight from the water meter body 200.

The fixing part 116 is installed as a pair facing the outer surface of the shielding protrusion 113, so that the reinforcing piece 222 of the upper cover 220 of the water meter body 200 can be inserted and coupled. It consists of a first protrusion 116a and a second protrusion 116b installed vertically at regular intervals.

As shown in FIG. When inserting the piece 222, it is configured to be easily inserted.

In addition, the inner side of the lower case 110 is configured to mount the substrate unit 120 and the battery unit 130.

On one side of the bottom part 111 of the lower case 110, a substrate fixing part 118a to which the substrate part 120 is fastened and fixed is formed, and on the other side of the bottom part 111, the battery part 130 is seated. A streamlined battery lower seating portion 117 protrudes and is installed.

In addition, a molding cover fixing part 118b to which the molding cover 140 is fastened and fixed is formed on the bottom part 111 of the lower case 110, and a fixing jaw part to which the upper case 150 is coupled and fixed on the side surface ( 119) and a fixing protrusion 119b fitted into the coupling groove 152 of the upper case 150 are formed.

In addition, a ring-shaped sealing member 172 is mounted on the upper end of the lower case 110 so that airtightness is maintained when combined with the molding cover 140 .

As shown in FIG. 9, the board unit 120 displays a PCB 121 fixed to the lower case 110 through a fastening hole 125 and mounted on the PCB 121 to display measured quantity data. An LCD 122 that transmits meter reading data to the outside, an antenna 123 that protrudes from the bottom of the PCB 121 and is installed close to the top of the shielding protrusion 113 to prevent water meter body 200 from It consists of a quantity detection sensor 124 for detecting the quantity of.

The battery unit 130 is seated on one side of the substrate unit 120, and the substrate unit 120 and the battery unit 130 together form a lower case 110 as shown in (a) and (b) of FIG. , and at the same time, it is molded to a certain height through a molding liquid (epoxy) to perform a waterproof function.

The molding cover part 140 is combined with the lower case 110 to cover the substrate part 120 and the battery part 130 as shown in (a) and (b) of FIG. 11 and injects molding liquid therein. It is structured so that

The molding cover portion 140 may be entirely made of a transparent material, or only the LCD confirmation window portion 142 may be made transparent.

The molding cover part 140 has a battery upper seating part 141 for supporting and pressing the battery part 130 on one side of the inner surface, and on the other side, the LCD 122 of the substrate part 120 is seated and projected. An LCD confirmation window 142 protruding as much as possible is formed, a lower case fixing part 143 fastened and fixed to the lower case 110, and a molding liquid inlet 144 capable of injecting molding liquid into the inside are formed.

The upper case 150 is coupled and fixed to the lower case 110, and is formed on one side of the upper end and has an opening 151 into which the LCD confirmation window 142 of the molding cover 140 is inserted, and a lower inner side surface. A coupling groove 152 coupled to the fixing protrusion 119a of the case 110 is formed.

The lid portion 160 is a lid made of a transparent material rotatably installed on the top of the upper case 140, and the hinge portion 161 and the hinge shaft portion 162 formed on one side are hinged with the upper case 150 It is configured to be coupledly mounted to the portion 154.

The installation and operation of the digital water meter-integrated meter reading terminal of the present invention constructed as described above will be described below.

First, in the water meter main body 200 to which the meter reading terminal 100 of the present invention is to be mounted, an impeller is installed rotatably inside the main body 210, and the upper part of the impeller protects the water meter body 210. An upper cover 220 that is sealed and coupled to the inner upper portion of the is mounted.

The upper cover 220 is expanded and bent to the lower portion of the second insertion portion 233 of the fastening portion 220, and is firmly supported and fixed by the second stepped portion 234.

In this way, the water meter body 200 completes the assembly.

Subsequently, the meter reading terminal 100 first fixes the substrate 120 to one side of the bottom 211 of the lower case 110 through a fastening member.

The board part 120 is fixed to the board fixing part 118a through the fastening hole 125.

In addition, the battery unit 130 connects a wire (not shown) to the board unit 130 and then places it on the battery lower seating unit 117 .

In this way, when the substrate unit 120 and the battery unit 130 are seated inside the lower case 110, the molding cover unit 140 is coupled to the lower case 110.

The molding cover part 140 fixes the lower case coupling part 143 to the molding cover fixing part 118b of the lower case 110 through a fastening member, and the molding cover part 140 is the lower case ( 110), the battery upper seating part 141 fixes and supports the lower battery part 130, and at the same time, the LCD confirmation window part 142 has the LCD 122 of the board part 120 positioned thereon.

In this way, when the molding cover 140 is coupled and fixed to the lower case 110, a certain amount of molding liquid (eg, epoxy) is injected into the molding liquid injection port 144 formed on one side.

Therefore, the molding liquid molds the battery 130 up to a certain height of the substrate 120 .

When the molding process is completed, the upper case 150 is coupled to the lower case 110 .

The upper case 150 is fixed while the coupling groove 152 is coupled to the fixing protrusion 119a of the lower case 110, and when the fixing is completed, the LCD 122 of the substrate 130 through the opening 161. ) can be checked.

In this way, when the upper case 150 is coupled to the lower case 110, the hinge portion 161 of the lid portion 160 is coupled to the hinge coupling portion 154 of the upper case 150, thereby providing the meter reading terminal 100 complete the assembly of

The meter reading terminal 100 assembled as described above is mounted and coupled to the top fastening part 230 of the water meter body 200. For coupling, the coupling part 112 of the lower case 110 of the meter reading terminal 100 is used. The inside of the fastening part 230 is pressed in a one-touch manner.

That is, the reinforcing piece 222 of the upper cover 220 of the water meter body 200 is between the first protrusion 116a and the second protrusion 116b of the fixing part 116 formed on the side surface of the shield protrusion 113. Position and press to insert.

Therefore, the reinforcing piece 222 is inserted and fixed to the fixing part 116 of the shielding protrusion 113, and the coupling part 112 is inserted into the first insertion part 231 of the fastening part 230 at the same time.

At this time, the hook part 115 formed on the outside of the coupling part 112 retreats inward by the elastic part 114 and returns to the original position when it reaches the second insertion part 223 part of the fastening part 230. It is caught on the first step 232 and maintains this operation elastically.

Therefore, the meter reading terminal 100 is simply fixed and coupled to the upper part of the water meter main body 200 in a one-touch manner, and the fixing part 116 of the shield protrusion 112 and the reinforcing piece part 222 of the upper cover 220 Due to the coupling structure, it has a fixed property that does not rotate left and right.

In the above, limited embodiments of the present invention have been described, but those skilled in the art should note that the present invention is not limited thereto and various embodiments are expected.

100: meter reading terminal 110: lower case
111: bottom part 112: coupling part
113: shielding protrusion 114: elastic part
115: hook part 116: fixing part
120: board part 130: battery part
140: molding cover 150: upper case
160: lid part 171: shielding member
172: sealing ring 200: water meter body
210: body part 220: upper cover
230: fastening part

Claims (9)

A body portion having a tap water inlet and an outlet formed at both ends, an impeller rotatably installed inside the body portion, an upper cover protecting the impeller and sealingly coupled to an inner upper portion of the body portion, and the upper cover comprising the body portion. a water meter main body including a fastening part fastened to the upper end of the main body part so that the meter reading terminal is fixed in a one-touch manner; and
Including a meter reading terminal coupled and fixed to the upper part of the water meter body in a one-touch manner,
The meter reading terminal includes a lower case coupled to the upper portion of the water meter body, a substrate and a battery mounted inside the lower case, and coupled to the lower case to cover the substrate and the battery, and is molded inwardly. Including a molding cover portion for injecting, and an upper case coupled and fixed to the lower case,
The lower case has a circular coupling part protruding outside the bottom portion to be inserted into and coupled to the fastening portion of the water meter body, and a ring shape to be seated in the receiving groove of the upper cover of the water meter body outward from the center of the end of the coupling portion. A shielding protrusion that protrudes, a plurality of elastic parts formed by making a groove on the inside of the side surface of the coupling part so that the thickness is thinner than the surroundings, and a hook part that is formed to protrude outward from the elastic part and is engaged in the fastening part of the water meter body And, a fixing part installed in a pair to face the outer surface of the shielding protrusion and coupled and fixed to the reinforcing piece of the upper plate cover of the water meter body,
The elastic part of the lower case is composed of a vertical groove part with a groove on the vertical surface of the coupling part and a horizontal groove part with a groove on one surface of an end connected to the vertical groove part.
The method of claim 1,
The digital water meter integrated meter reading terminal, characterized in that the coupling part of the lower case is configured in a circular shape and has a diameter equal to or smaller than the diameter of the first insertion part of the fastening part of the water meter body.
delete The method of claim 1,
The fixing part of the lower case shielding protrusion is composed of a first protrusion and a second protrusion installed vertically at regular intervals so that the reinforcing piece of the upper cover of the water meter body can be inserted and coupled.
The digital water meter integrated meter reading terminal, characterized in that the lower part of the first protrusion and the second protrusion is configured to be easily inserted when inserting the reinforcing piece of the upper cover by further expanding the lower portion at a predetermined angle.
The method of claim 1,
A digital water meter integrated meter reading terminal, characterized in that a streamlined battery lower seating portion protrudingly installed on the bottom portion of the lower case.
The method of claim 1,
On one side of the inner surface of the molding cover, a battery upper seating portion for supporting and pressing the battery unit is formed, and on the other side, an LCD confirmation window protruding so that the LCD of the substrate unit is seated and projected, and molding liquid can be injected into the inside. A digital water meter integrated meter reading terminal, characterized in that a molding liquid inlet is formed.
The method of claim 1,
A digital water meter integrated meter reading terminal, characterized in that a cover of a transparent material is further installed in the upper case to be rotatably installed.
The method of claim 1,
The upper cover of the water meter main body has a central protrusion formed to position the rotating shaft of the impeller and a magnetic body to the inside, an accommodation groove formed to seat the shield protrusion of the meter reading terminal around the central projection, and a predetermined distance toward the accommodation groove. A digital water meter integrated meter reading terminal comprising a plurality of protruding reinforcing pieces.
The method of claim 1,
The fastening part of the main body of the water meter includes a first insertion part into which the coupling part of the meter reading terminal is inserted, and a first step portion that is bent under the first insertion part and hooked and fixed with a hook formed on a side surface of the coupling part of the meter reading terminal, A second insertion portion formed in the lower portion of the first step portion, a second step portion that is expanded and bent to the lower portion of the second insertion portion and supporting and fixing the upper cover, and fastened to the upper portion of the body portion through the lower portion of the second step portion A digital water meter integrated meter reading terminal, characterized in that composed of a threaded portion.

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