CN108593033A - A kind of intelligence valve control water meter - Google Patents

Abstract

The invention discloses a kind of intelligent valve control water meters, including valve control water meter base table, outer casing base on valve control water meter base table and with box on the matched shell of outer casing base upper opening, it is installed with buckle base at the valve rod of the valve control water meter base table, two end side surface of the buckle base is equipped with grab, the outer casing base bottom is equipped with protrusion, the protrusion both ends are provided with coordinates through-hole with grab, the buckle base is equipped with groove, inductive magnetic steel is laid in the groove, sensor circuit plate and the control circuit board with sensor circuit plate circuit in parallel are installed in the outer casing base, the sensor circuit plate is equipped with magnetic induction corresponding with inductive magnetic steel position close to switch.The present invention is easy to dismounting, band dismantling-proof alarming and can monitor water pump composite state in real time.

Description

An intelligent valve-controlled water meter

technical field

The invention relates to the field of water meters, in particular to an intelligent valve-controlled water meter.

Background technique

The electromechanical separation structure of the electromechanical combined smart water meter has become a development trend in the industry, that is, the mechanical part of the water meter, the valve-controlled water meter base meter and the electronic part of the shell assembly are independent, and the two parts can be carried out simultaneously during the production process, and finally fixed with multiple screws Assembly greatly saves time and cost; in the process of use, maintenance and replacement are convenient, which part has a problem and which part should be replaced, but the water meter is generally fixed and assembled with multiple screws in reverse, the disassembly and assembly are relatively complicated, and the cost is relatively high. The anti-demolition structure is not conducive to the long-term stable use of the water meter, ensures the accurate counting of the water meter, and maintains the economic interests of the water supply company.

At present, there are few water meters with electromechanical separation structure with valve control function, and even if there are, they are very backward in the combination of electromechanical two parts. It is difficult to carry out the replacement and maintenance of the electronic counting control part in the state of non-stop water supply, and it cannot be found in time when the electronic counting control part of the water meter is damaged or illegally disassembled. Usually, the water supply company needs to arrange inspectors to conduct on-site inspections, and the installation status of the water meters cannot be monitored in real time, which greatly increases the company's labor costs.

Contents of the invention

In order to solve the problems existing in the prior art, the present invention proposes an intelligent valve-controlled water meter that is easy to assemble and disassemble, has an anti-disassembly alarm, and can monitor the installation status of the water meter in real time.

The invention comprises a valve-controlled water meter base meter, a casing base installed on the valve-controlled water meter base meter, and a casing upper box matched with the upper opening of the casing base,

The valve stem of the valve-controlled water meter base meter is fixed with a buckle base, hooks are provided on both sides of the buckle base, and protrusions are provided on the bottom of the shell base, and there are holes at both ends of the protrusions. The hook fits through the hole,

The buckle base is provided with a groove, and an induction magnetic steel is placed in the groove, an induction circuit board and a control circuit board connected in parallel with the induction circuit board circuit are installed in the housing base, and the induction circuit board is provided with There are magnetic induction proximity switches corresponding to the position of the induction magnet.

Further, an actuator motor and a power supply are installed in the housing base, the actuator motor, the induction circuit board and the power supply are sequentially connected in series to form a circuit, and the drive end of the actuator motor is connected to the protruding end of the valve stem.

Further, the driving end of the actuator motor is provided with protrusions and/or grooves, and the protruding end of the valve stem is provided with matching protrusions and/or grooves.

Further, the base of the valve-controlled water meter is installed with the base of the housing through two hexagon socket head screws and the buckle structure. The first positioning hole is screwed, and the buckle structure includes a hook and a through hole.

Further, the top of the housing base is provided with an annular protrusion and/or groove, and the upper case of the housing is provided with a matching annular protrusion and/or groove.

Further, the buckle base is fixed on the base meter of the valve-controlled water meter by countersunk head screws, and the countersunk screws pass through the limiting hole on the buckle base and the second positioning hole on the base meter of the valve-controlled water meter in sequence.

Further, the upper case of the housing is provided with a transparent window cover and a cover of the housing that cooperates with the transparent window cover and can be rotated to open.

Further, the power supply is a lithium battery.

Compared with the prior art, the present invention has the advantages of:

1. The induction circuit board with magnetic induction proximity switch of the present invention is used in conjunction with the induction magnetic steel. The induction circuit board and the control circuit board form a circuit parallel connection. Induction magnetic steel, the magnetic induction proximity switch in the induction circuit board is disconnected, the circuit state changes, the control circuit board monitors the current change, and through the line remote transmission function or wireless remote transmission function, the control platform receives the circuit state change signal, sends out an alarm message, and notifies Monitoring personnel can monitor the installation status of water meters in real time and reduce the cost of manual inspections.

2. In the present invention, the executive motor, the induction circuit board and the power supply are connected in series in sequence to form a circuit. The induction circuit board and the control circuit board form a circuit in parallel, and the state of the circuit changes. The current change is monitored by the control circuit board, and then the actuator motor is controlled to rotate the valve stem. Automatically close the control valve immediately to avoid company losses.

3. The present invention is installed by setting two hexagon socket head screws and the buckle structure, and only needs a "7"-shaped inner screw angle wrench to complete the disassembly and assembly, and does not need to disassemble the entire watch for maintenance and replacement. Compared with The traditional mechanical part and electronic part are assembled by set screws, which reduces the use of set screws, saves costs, and avoids damage to the water meter during repeated disassembly and assembly, reducing the service life of the water meter. The valve-controlled water meter base meter, the shell base and the shell upper box are completely separated, which can realize simultaneous production and improve production efficiency.

4. On the basis of avoiding illegal disassembly and assembly by users, the present invention realizes convenient disassembly and maintenance, achieves the purpose of real-time monitoring of the installation status of water meters, effectively saves labor costs of water supply companies, and reduces company losses.

5. The electronic part of the present invention is provided with a casing base and a casing upper box, and the top of the casing base is provided with an annular protrusion and/or groove, and the casing upper box is provided with a matching protrusion and/or groove, which is convenient for installing the actuator motor, The control circuit board, the induction circuit board and the power supply, meanwhile, the structural arrangement of protrusions and grooves avoids the influence of the external environment on the electronic components inside the casing.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a schematic diagram of the base table of the valve-controlled water meter of the present invention.

Fig. 4 is a schematic diagram of the buckle base of the present invention.

Fig. 5 is the shell assembly diagram of the present invention

Fig. 6 is an exploded view of the housing base of the present invention.

Fig. 7 is an exploded view of the case-on-case of the present invention.

In the figure, 1 valve-controlled water meter base meter, 11 first positioning hole, 12 second positioning hole, 13 signaling pointer, 14 valve stem, 2 buckle base, 21 limit hole, 22 groove, 23 hook, 3 induction magnetic steel, 4 shell base, 41 external sensor, 42 executive motor, 43 control circuit board, 44 protrusion, 45 induction circuit board, 46 through hole, 5 shell upper box, 51 shell flip cover, 52 transparent window cover , 6 hexagon socket screws.

Detailed ways

As shown in Figures 1-7, the present invention includes a valve-controlled water meter base 1, a housing base 4 installed on the valve-controlled water meter base 1, and a housing upper box 5 matching the upper opening of the housing base 4,

The valve stem 14 of the valve-controlled water meter base meter 1 is fixedly installed with a buckle base 2, the two ends of the buckle base 2 are provided with hooks 23, and the bottom of the housing base 4 is provided with a protrusion 44, the Both ends of the protruding portion 44 are provided with through holes 46 for matching with the hook 23 .

The buckle base 2 is provided with a groove 22, an induction magnet 3 is placed in the groove 22, an induction circuit board 45 and a control circuit board 43 connected in parallel with the induction circuit board 45 are installed in the housing base 4 , the induction circuit board 45 is provided with a magnetic induction proximity switch corresponding to the position of the induction magnet 3 .

The buckle structure is used to arrange the magnetic induction proximity switch and the induction magnetic steel 3 close to each other. The structure is simple, the induction is sensitive, and the effect is remarkable. The magnetic induction proximity switch has two states, A and B. State A corresponds to the state of the magnetic induction proximity switch when the water meter is normally installed, that is, the magnetic induction proximity switch is in close contact with the induction magnetic steel 3, and the magnetic induction proximity switch is in the closed state. At this time, the induction circuit board 45 and the circuit where the control circuit board 43 is located are both in the open state; state B corresponds to the state of the magnetic induction proximity switch when the valve-controlled water meter base meter 1 is separated from the shell base 4, the magnetic induction proximity switch is far away from the induction magnetic steel 3, and the magnetic induction proximity switch is in the disconnected state At this time, the circuit where the magnetic induction board 45 is located is in an off state, and the circuit where the control circuit board 43 is located is in an on state. During normal use, once the water meter is illegally disassembled and destroyed, the magnetic induction proximity switch in the induction circuit board 45 is disconnected, leaving only the part of the circuit on the control circuit board 43 in the open state, and the control circuit board 43 detects that the circuit state changes, through The line remote transmission function or the wireless remote transmission function sends the circuit status signal to the control platform, and the control platform receives the circuit status change signal, sends out an alarm message, and notifies the monitoring personnel, so as to monitor the installation status of the water meter in real time and reduce the cost of manual inspection.

An actuator motor 42 and a power supply are also installed in the housing base 4 , the actuator motor 42 , the induction circuit board 45 and the power supply are sequentially connected in series to form a circuit, and the transmission end of the actuator motor 42 is connected to the protruding end of the valve stem 14 .

The transmission end of the actuator motor 42 is connected to the valve stem 14, the actuator motor 42, the induction circuit board 45 and the power supply are connected in series in sequence to form a circuit, and the induction circuit board 45 and the control circuit board 43 form a parallel circuit. When the water meter is installed normally, the magnetic induction proximity switch Close contact with the induction magnetic steel 3, the magnetic induction proximity switch is in the closed state. At this time, the circuit where the induction circuit board 45 and the control circuit board 43 are located are both in the open state, and the control circuit board 43 controls the execution motor 42 to rotate the valve stem 14 and open the control valve. , so that the water meter works normally; when the water meter is illegally disassembled or destroyed, the base meter 1 of the valve-controlled water meter is separated from the shell base 4, the magnetic induction proximity switch is far away from the induction magnetic steel 3, and the magnetic induction proximity switch is in the disconnected state. At this time, the magnetic induction plate 45 The circuit where the circuit is located is disconnected, the circuit where the control circuit board 43 is located is in the open state, and the circuit state changes. The current change is monitored by the control circuit board 43, and the actuator motor 42 is controlled to rotate the valve stem 14, and the control valve is automatically closed immediately to avoid company loss.

The driving end of the actuator motor (42) is provided with protrusions and/or grooves, and the protruding end of the valve stem (14) is provided with matching protrusions and/or grooves. In traditional valve-controlled water meters, the actuator motor is integrally connected with the valve stem of the control valve. In the present invention, the actuator motor 42 and the valve stem 14 are provided with a matching protrusion and groove structure, which can better realize the connection between the shell base 4 and the valve-controlled water meter base. The separation of Table 1 does not affect the control of the control valve by the actuator motor 42 .

The base meter 1 of the valve-controlled water meter is installed with the base of the housing through two hexagon socket head screws 6 and the buckle structure. The first positioning hole 11 on the watch 1 is screwed, and the buckle structure includes a hook 23 and a through hole 46 .

The inner hexagon screw 6 is used in conjunction with the buckle structure, so that the assembly and maintenance personnel only need a "7"-shaped inner screw angle wrench to complete the disassembly and assembly. Each part can be disassembled separately without dismantling the entire meter. Compared with the traditional assembly through set screws, it reduces the use of set screws, saves costs, and avoids damage to the water meter during repeated disassembly and assembly. , reducing the service life of the water meter. The base meter 1 of the valve-controlled water meter, the shell base 4 and the shell upper box 5 are completely separated, which can realize simultaneous production and improve production efficiency.

In practice, the technical solution of the present invention realizes convenient disassembly and maintenance on the basis of avoiding illegal disassembly and assembly by users, and achieves the purpose of real-time monitoring of the installation status of the water meter, effectively saving the labor cost of the water supply company and reducing the company's loss.

The top of the housing base 4 is provided with an annular protrusion and/or a groove, and the upper case 5 of the housing is provided with a matching annular protrusion and/or groove. The connection between the shell base 4 and the shell upper box 5 achieves a better sealing effect by nesting the groove and the protrusion, and avoids the influence of the external environment on the electronic components inside the shell.

The buckle base 2 is fixed on the base meter 1 of the valve-controlled water meter through the countersunk screw 16, and the countersunk screw 16 passes through the limit hole 21 on the buckle base 2 and the second positioning hole on the base meter 1 of the valve-controlled water meter in turn. hole 12. Use countersunk head screws 16 for fixed installation, easy to disassemble and install the buckle base.

The casing upper box 5 is provided with a transparent window cover 52 and a casing flip cover 51 that cooperates with the transparent window cover 52 and can be rotated open. The setting of the transparent window cover 52 is conducive to better on-site reading.

The power supply is a lithium battery, which is powered by a lithium battery so that it can be used normally when there is a power failure.

The above-mentioned power supply, valve-controlled water meter base meter 1, executive motor 42, induction circuit board 45 and control circuit board 43 of the present invention are all known equipment, such as valve-controlled water meter base meter 1 can be produced by Ningbo Yinzhou Yingtuo Water Meter Co., Ltd. The base meter of the valve-regulated water meter.

In the production process, the mechanical part and the electronic part can be independently assembled and produced, and finally the locking assembly is carried out through the cooperation of two hexagon socket head cap screws 6 and the buckle structure, which greatly improves the production efficiency.

During the assembly process, the buckle base 2 is fixedly installed on the base meter 1 of the valve-controlled water meter through the countersunk head screw 16, and the upper countersunk head screw 16 passes through the limit hole 21 on the buckle base 2 and the hole on the base meter 1 of the valve-controlled water meter in turn. The second positioning hole 12, the buckle base 2 is provided with a groove 22 for placing the induction magnetic steel 3, and the shell base 4 is fastened with the hooks 23 on both ends of the buckle base 2 through the through hole 46 of the bottom protrusion 44 , and then pass through the upper cover 5 and the base 4 of the housing in turn through two hexagon socket screws 6 and threadedly connect with the positioning hole 11 to realize the assembly of the base meter 1 of the valve-controlled water meter, the base 4 of the housing and the upper box 5 of the housing; the housing base of the electronic part 2. An external sensor 41, an execution motor 42, a control circuit board 43, an induction circuit board 45 and a power supply are installed inside, wherein the execution motor 42, the induction circuit board 45 and the power supply are connected in series to form a loop, and the control circuit board 43 and the induction circuit board 45 The circuit is connected in parallel; the external sensor 41 is directly connected to the power supply through wires, and the external sensor 41 is set outside the signaling pointer 13 in the base meter 1 of the valve-controlled water meter. The external sensor 41 is far away from the magnetic induction proximity switch, and will not cause damage to the magnetic induction proximity switch. influence, while the external sensor 41 has the function of detecting the external magnetic field, avoiding the external magnetic field from affecting the water meter measurement, the external sensor 41 collects the metering signal through the signaling pointer 13, and realizes the electromechanical separation of signal collection; the magnetic induction proximity switch on the induction circuit board 45 It corresponds to the position of induction magnet 3.

During the disassembly process, the assembly and maintenance personnel only need a "7"-shaped inner screw angle wrench to operate the buckle structure and the inner hexagon screw 6 to complete the disassembly and assembly, and realize the disassembly and assembly of the electronic part without disassembling the entire meter. Come for repair and replacement.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and that described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention also has various aspects without departing from the spirit and scope of the present invention. Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of intelligence valve control water meter, including valve control water meter base table (1), the outer casing base on valve control water meter base table (1) (4) and with box (5) on the matched shell of outer casing base (4) upper opening, characterized in that

Buckle base (2), buckle base (2) both ends are installed at the valve rod (14) of the valve control water meter base table (1) Side is equipped with grab (23), and outer casing base (4) bottom is equipped with protrusion (44), and protrusion (44) both ends are provided with and block Hook (23) coordinates through-hole (46),

The buckle base (2) is equipped with groove (22), and inductive magnetic steel (3), the outer casing base are laid in the groove (22) (4) sensor circuit plate (45) and the control circuit board (43) with sensor circuit plate (45) circuit in parallel, the induction are installed in Circuit board (45) is equipped with magnetic induction corresponding with inductive magnetic steel (3) position close to switch.

2. intelligence valve control water meter as described in claim 1, characterized in that be also equipped in the outer casing base (4) and execute electricity Machine (42) and power supply, actuating motor (42), sensor circuit plate (45) and power supply are sequentially connected in series forming circuit, described to execute electricity Machine (42) driving end is set to be connect with valve rod (14) jag.

3. intelligence valve control water meter as claimed in claim 2, characterized in that actuating motor (42) driving end is provided with protrusion And/or groove, valve rod (14) jag are provided with matched protrusion and/or groove.

4. intelligence valve control water meter as claimed in claim 1 or 2, characterized in that the valve control water meter base table (1) and outer casing base It is matched and is installed with buckle structure by two soket head cap screws (6), the soket head cap screw (6) sequentially passes through on shell Lid (5) and outer casing base (4) are simultaneously threadedly coupled, the buckle structure with the first positioning hole (11) on valve control water meter base table (1) Including grab (23) and through-hole (46).

5. intelligence valve control water meter as claimed in claim 1 or 2, characterized in that be provided with annular at the top of the outer casing base (4) Protrusion and/or groove, box (5) is provided with matched protrusion and/or groove on the shell.

6. intelligence valve control water meter as claimed in claim 1 or 2, characterized in that the buckle base (2) passes through countersunk head screw (16) it is fixed on valve control water meter base table (1), countersunk head screw (16) sequentially passes through limit hole (21) and valve in buckle base (2) Control the second location hole (12) on essentic-water-meter (15).

7. intelligence valve control water meter as claimed in claim 1 or 2, characterized in that box (5) is provided with transparency window cover on the shell (52) and with transparency window cover (52) cooperation and can Unscrew housing flip (51).

8. intelligence valve control water meter as claimed in claim 1 or 2, characterized in that the power supply is lithium battery.