CN112816013A

CN112816013A - Water meter with anti-freezing function

Info

Publication number: CN112816013A
Application number: CN201911116024.2A
Authority: CN
Inventors: 吴新潮; 贾鹏; 肖永强
Original assignee: Xian Triones Digital Information Co Ltd
Current assignee: Xian Triones Digital Information Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2021-05-18

Abstract

The invention relates to the technical field of anti-freezing water meters, in particular to a water meter with an anti-freezing function, which comprises a water meter shell and a water meter water cavity, wherein the outer side of the left end of the water meter shell is spirally connected with a connecting pipe, the inner side of the left end of the connecting pipe is communicated with a water inlet pipe, the outer side of the water inlet pipe is fixedly connected with a rubber ring, the outer side of the rubber ring is attached to the inner side of the left end of the connecting pipe, and the left end of the water inlet pipe is communicated with a water inlet interface. Thereby prevent the damage of water gauge under low temperature environment, have fine practicality.

Description

Water meter with anti-freezing function

Technical Field

The invention relates to the technical field of anti-freezing water meters, in particular to a water meter with an anti-freezing function.

Background

Along with the development of society, the application of the anti-freezing water meter is more and more extensive, the water meter is an instrument for measuring the water flow, most of the water is accumulated for flow measurement, the water meter is generally divided into a positive displacement water meter and a speed water meter, the instrument for recording the water consumption of tap water is arranged on a water pipe, when a user discharges water, a pointer or a character wheel on the meter rotates to indicate the passing water quantity, the water quantity is used for calculating the water quantity used by the user, and the judgment basis of paying tax is made, so that the demand of the water meter with the anti-freezing function is increased day by day.

However, in areas with higher latitudes and in cold winter, water in the water meter often freezes and expands, so that not only can the water pipe cut off, but also the water pipe is extruded due to the expansion of the frozen water pipe, so that the water pipe deforms and cracks.

Disclosure of Invention

The invention aims to provide a water meter with an anti-freezing function, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a water gauge with function of preventing frostbite, includes water gauge shell and water gauge water cavity, the left end outside screwed connection of water gauge shell has the connecting pipe, the inboard intercommunication of left end of connecting pipe has the inlet channel, the outside fixedly connected with rubber circle of inlet channel, and the outside that the rubber circle and connecting pipe inboard laminated mutually, the left end intercommunication of inlet channel has the water inlet interface, the right-hand member intercommunication of water gauge shell has the water outlet interface, the outside fixedly connected with heat preservation of water gauge shell, and the heat preservation is made by the cloth of asbestos material.

Preferably, the inside of the top end of the water meter shell is communicated with a temperature sensor, the inside of the bottom end of the water meter shell is fixedly connected with 2 heating rods, and the heating rods are symmetrically distributed on the inside of the bottom end of the water meter shell.

Preferably, the bottom end of the water meter shell is fixedly connected with a motor box, the inner side of the motor box is fixedly connected with a current inductor, a motor and a controller, the motor is arranged on the right side of the current inductor, the controller is arranged on the right side of the motor, and the tail end of a main shaft of the motor is fixedly connected with a rotating column.

Preferably, the outer side of the rotating column is fixedly connected with a transverse bevel gear, the inner side of the bottom end of the water meter shell is fixedly connected with a bearing, the inner side of the top end of the bearing is rotatably connected with an impeller, the left end of the impeller is fixedly connected with a vertical bevel gear, and the vertical bevel gear is meshed with the transverse bevel gear.

Preferably, the filter screen is attached to the inner side of the connecting pipe, the left end of the filter screen is attached to the right end of the water inlet pipeline, and the right end of the filter screen is attached to the left end of the water meter shell.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the impeller, the motor, the transverse bevel gear and the vertical bevel gear, whether water flow in the water cavity of the water meter is static or not can be judged, the temperature sensor can detect the temperature in the water cavity of the water meter, so that whether the temperature of the water in the water cavity of the water meter is lower than 0 ℃ or not is judged, and when the water cavity of the water meter has the icing condition, the heating rod is used for generating heat to prevent the water in the water cavity of the water meter from icing through the detection of two icing conditions, so that the water meter is prevented from being damaged in a low-temperature environment, and the water meter has good practicability.

2. According to the invention, through the arranged filter screen, the connecting pipe, the rubber ring and the water inlet pipe, water entering a water cavity of the water meter can be filtered, impurities are prevented from damaging the internal structure of the water meter, the water inlet pipe and the water meter shell are connected through the connecting pipe, so that the filter screen can be detached and replaced, and thus, the accumulated impurities of the water meter can be cleaned after long-time work, the circulation of the water meter is ensured, and the water meter has good practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at point A according to the present invention;

FIG. 3 is a schematic view of the structure at B of FIG. 1 according to the present invention.

In the figure: 1-current inductor, 2-motor box, 3-controller, 4-heat preservation layer, 5-water meter shell, 6-heating rod, 7-water outlet interface, 8-water meter water cavity, 9-temperature inductor, 10-transverse bevel gear, 11-supporting bearing, 12-impeller, 13-vertical bevel gear, 14-rotary column, 15-water inlet interface, 16-filter screen, 17-rubber ring, 18-water inlet pipeline, 19-connecting pipe and 20-motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a water gauge with frostproofing function, includes water gauge shell 5 and water gauge water cavity 8, the left end outside screwed connection of water gauge shell 5 has connecting pipe 19, and this kind of setting is for dismantling of filter screen 16, the left end inboard intercommunication of connecting pipe 19 has inlet channel 18, the outside fixedly connected with rubber circle 17 of inlet channel 18, and the outside of rubber circle 17 with and the left end inboard of connecting pipe 19 laminate mutually, the left end intercommunication of inlet channel 18 has into water interface 15, the right-hand member intercommunication of water gauge shell 5 has out water interface 7, and it is for the convenience of water gauge and external water pipe butt joint to advance water interface 15 and play water interface 7, the outside fixedly connected with heat preservation 4 of water gauge shell 5, and heat preservation 4 is made by the cloth of asbestos material, and this kind of setting can lock the inside temperature of water gauge to a certain extent, prevents that the water gauge from freezing out.

The inner side of the top end of the water meter shell 5 is communicated with a temperature sensor 9, the arrangement can be used for detecting the temperature inside a water cavity 8 of the water meter, the inner side of the bottom end of the water meter shell 5 is fixedly connected with a heating rod 6, the arrangement is used for heating the inside of the water cavity 8 of the water meter when needed so as to achieve the aim of preventing freezing, the number of the heating rods 6 is 2, the heating rods are symmetrically distributed on the inner side of the bottom end of the water meter shell 5, the heating speed is higher, the bottom end of the water meter shell 5 is fixedly connected with a motor box 2, the inner side of the motor box 2 is fixedly connected with a current sensor 1, a motor 20 and a controller 3, the controller 3 is used for electrifying the heating rods 6 to heat when needed, the motor 20 is arranged on the right side of the current sensor 1, the controller 3 is arranged on the right side of the motor 20, and the arrangement can judge whether the induced current in the water cavity, the terminal fixedly connected with rotary column 14 of main shaft of motor 20, the outside fixedly connected with horizontal bevel gear 10 of rotary column 14, the inboard fixedly connected with bearing 11 in bottom of water meter case 5, the inboard rotation in top of bearing 11 is connected with impeller 12, the left end fixedly connected with bevel gear 13 of impeller 12, and bevel gear 13 meshes with horizontal bevel gear 10 mutually, the inboard laminating of connecting pipe 19 has filter screen 16, and inside this kind of setting got into the water gauge in order to prevent impurity, caused the damage to the water gauge, and the left end of filter screen 16 was laminated with the right-hand member of inlet channel 18 mutually, and the right-hand member of filter screen 16 was laminated with the left end of water meter case 5 mutually.

The type of the controller 3 is MAM-100, the type of the motor 18 is Y80M1-2, the type of the heating rod 6 is RYT-DRG, the type of the current sensor 1 is AHKC-K, and the type of the temperature sensor 9 is PT 100.

The working process is as follows: the invention uses the power supply through the external power supply, the water inlet interface 15 and the water outlet interface 7 of the water meter are respectively butted with the external water pipe, when the water flow flows in the water chamber 8 of the water meter, the impeller 12 can rotate under the drive of the water flow, wherein, the support bearing 11 can play a role of supporting the impeller 12, the impeller 12 rotates at the inner side of the support bearing 11, the impeller 12 drives the vertical bevel gear 13 to rotate, the vertical bevel gear 13 drives the transverse bevel gear 10 at the outer side of the rotating column 14 to rotate, the transverse bevel gear 10 drives the rotating column 14 to rotate, wherein, the rotating column 14 plays a role of supporting the transverse bevel gear 10, the rotating column 14 drives the end of the main shaft of the motor 20 to rotate, the motor 20 generates the current, wherein, because the motor 18 is electrically connected with the current sensor 1, the current sensor 1 detects the current in real time, when the flow rate of the water flow in the water chamber 8 of the water meter is, the larger the current is, the smaller the flow velocity is, the smaller the current is, and the current is not generated when the water flow is static, wherein, the motor 20 is arranged at the outer side of the water meter to avoid the pollution of the motor 20 to the water in the water pipe, so as to ensure the safety of water use, when the current sensor 1 can not detect a current signal, the impeller 12 can not rotate, the water flow in the water meter water cavity 8 is static at the moment, so as to judge whether the water flow is static or not, the temperature sensor 9 senses the water temperature in the water meter water cavity 8 in real time and transmits data to the controller 3, when the water temperature in the water meter water cavity 8 is lower than 0 ℃ and the current sensor 1 can not detect the current signal, the controller 3 in the motor box 2 controls the heating rod 6 in the water meter water cavity 8 to heat the water in the water meter water cavity 8, and the water in the water meter water cavity 8 is heated to prevent the water meter water cavity 8 from freezing, because the water in the water chamber 8 of the water meter is static at this moment, when the water temperature is higher than 0 ℃, the controller 3 controls the heating rod 6 to stop heating, the filter screen 16 is generally arranged in the water meter in order to prevent impurities in the water from damaging the water meter in circulation, but after long-time use, the impurities are accumulated and need to be replaced, at this moment, the connecting pipe 19 is screwed, the connecting pipe 19 is separated from the left end of the water meter shell 5, at this moment, the filter screen 16 can be taken out for cleaning or replacement, when the water meter is installed in a reinstalling mode, the disassembly is opposite, wherein the rubber ring 17 plays a role in ensuring the sealing problem between the water inlet pipeline 18 and the water meter shell 5, and water leakage is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A water gauge with prevent frostbite function, includes water gauge shell (5) and water gauge water cavity (8), its characterized in that: the utility model discloses a water meter, including water meter case (5), the left end outside screwed connection of water meter case (5) has connecting pipe (19), the inboard intercommunication of the left end of connecting pipe (19) has inlet channel (18), the outside fixedly connected with rubber circle (17) of inlet channel (18), and the outside that rubber circle (17) and connecting pipe (19) are inboard to be laminated mutually, the left end intercommunication of inlet channel (18) has into water interface (15), the right-hand member intercommunication of water meter case (5) has out water interface (7), the outside fixedly connected with heat preservation (4) of water meter case (5), and heat preservation (4) are made by the cloth of asbestos material.

2. A water meter with an anti-freeze function as claimed in claim 1, wherein: the water meter comprises a water meter shell (5) and is characterized in that the inner side of the top end of the water meter shell (5) is communicated with a temperature sensor (9), the inner side of the bottom end of the water meter shell (5) is fixedly connected with heating rods (6), the number of the heating rods (6) is 2, and the heating rods are symmetrically distributed on the inner side of the bottom end of the water meter shell (5).

3. A water meter with an anti-freeze function as claimed in claim 1, wherein: the bottom fixedly connected with motor case (2) of water meter shell (5), inboard fixedly connected with current sensor (1), motor (20) and controller (3) of motor case (2), and motor (20) set up the right side at current sensor (1), and controller (3) set up the right side at motor (20), the terminal fixedly connected with rotary column (14) of main shaft of motor (20).

4. A water meter with an anti-freeze function as claimed in claim 3, wherein: the water meter is characterized in that a transverse bevel gear (10) is fixedly connected to the outer side of the rotating column (14), a bearing (11) is fixedly connected to the inner side of the bottom end of the water meter shell (5), an impeller (12) is rotatably connected to the inner side of the top end of the bearing (11), a vertical bevel gear (13) is fixedly connected to the left end of the impeller (12), and the vertical bevel gear (13) is meshed with the transverse bevel gear (10).

5. A water meter with an anti-freeze function as claimed in claim 4, wherein: the filter screen (16) is attached to the inner side of the connecting pipe (19), the left end of the filter screen (16) is attached to the right end of the water inlet pipeline (18), and the right end of the filter screen (16) is attached to the left end of the water meter shell (5).