Anti-freezing water meter

Abstract

The utility model provides an anti-freezing water meter which comprises a water meter body and a heat exchange assembly, the heat exchange assembly is used for increasing the temperature of a retention water source in the water meter body, the heat exchange assembly comprises a bottom shell, an electric heating box, a water supply and drainage piece and a circulation piece, and the bottom shell is installed at the bottom of the water meter body; the electric heating box is fixedly connected to the bottom of the bottom shell, the water supply and drainage part is used for replacing a water source in the electric heating box, and the circulating part is used for conducting heat exchange on the water source in the electric heating box and a water source in the water meter body and guiding the heated water source into the electric heating box. A hot water source circulates at the bottom of the water meter body and in the electric heating box through the circulating part, the temperature of the water source in the water meter body is increased through heat of the hot water source, when the temperature of the water source in the water meter body is always higher than zero DEG C, the water source in the water meter body cannot be frozen, and the anti-freezing effect on the water meter body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water meters, in particular to an antifreeze water meter. Background Art

[0002] A water meter is an instrument for measuring water flow, most of which measure the cumulative flow of water. It is generally divided into two categories: volumetric water meters and velocity water meters. When selecting the specifications of a water meter, you should first estimate the size and range of the flow rate normally used, and then choose the water meter with the specification that is closest to the commonly used flow rate as the first choice.

[0003] Among them, according to different usage requirements, some water meters must be installed outdoors. When the water meter is used outdoors, it is affected by the weather. In a cold environment, the retained water in the water meter is prone to freeze. After the water source freezes, it affects the use of the water meter and causes the entire pipeline to be unable to be used normally. Therefore, we propose an antifreeze water meter. Utility Model Content

[0004] The utility model aims to provide an antifreeze water meter, which can increase the temperature of water source stored in a water meter body through a heat exchange component to prevent the water source in the water meter body from freezing.

[0005] The utility model provides an antifreeze water meter, comprising:

[0006] Water meter body;

[0007] A heat exchange component, the heat exchange component is used to increase the temperature of the water source retained in the water meter body;

[0008] The heat exchange assembly includes a bottom shell, an electric heating box, water supply and drainage components and a circulation component;

[0009] The bottom shell is installed at the bottom of the water meter body, the electric heating box is fixedly connected to the bottom of the bottom shell, the water supply and drainage parts are used to replace the water source in the electric heating box, and the circulation parts are used to exchange heat between the water source in the electric heating box and the water source in the water meter body.

[0010] Preferably, the circulation component includes a micro pump, a flow guide pipe, a heat exchange shell and a return pipe;

[0011] The micro pump is installed in the electric heating box, the heat exchange shell is sleeved in the bottom shell, the guide pipe connects the heat exchange shell and the micro pump, and the return pipe connects the heat exchange shell and the electric heating box.

[0012] Preferably, the water supply and drainage components include a transverse pipe, a filter and a valve;

[0013] The transverse pipe is communicated with the electric heating box, the filter element is used to filter the water source entering the transverse pipe, and the valve is installed in the transverse pipe.

[0014] Preferably, the filter element comprises a filter cartridge, a connector and a filter element;

[0015] The filter cartridge is communicated with the transverse pipe, the connector is threadedly connected to the filter cartridge, the filter element is arranged in the filter cartridge, and the filter element is fixedly connected to the connector.

[0016] Preferably, a heating element is installed in the electric heating box.

[0017] Preferably, a protective component is provided on the water meter body;

[0018] The protection assembly includes an instrument heat preservation part, a connecting part and an adjusting part;

[0019] The instrument heat-insulating component is used to insulate the instrument on the top of the water meter body, the connecting component is used to adjust the position of the instrument heat-insulating component on the water meter body, and the adjusting component is used to adjust the use height of the instrument heat-insulating component on the connecting component.

[0020] Preferably, the instrument heat-insulating component comprises a shell, a heat-insulating layer and a sponge pad;

[0021] The shell is installed on the top of the water meter body, the heat-insulating layer is fixedly connected in the shell, and the sponge pad is fixedly connected in the heat-insulating layer.

[0022] Preferably, the connecting member comprises an ear plate, a pull rod, a cylinder and a connecting plate;

[0023] The ear plate is fixedly connected to the shell, the pull rod is fixedly connected to the ear plate, the cylinder is sleeved and connected to the pull rod, and the connecting plate fixedly connects the cylinder and the water meter body.

[0024] Preferably, the adjusting member comprises a lower pressing plate, a positioning pin and an elastic member;

[0025] The lower pressing plate and the pull rod are fixedly connected, the positioning pin is threadedly connected to the lower pressing plate, the elastic member is installed at the bottom of the lower pressing plate, and the elastic member is sleeved in the cylinder.

[0026] Preferably, a fixing piece is installed on the water meter body, and the fixing piece connects the bottom shell and the water meter body;

[0027] The fixing member includes a screw rod, a limiting plate and a nut;

[0028] The screw is fixed on the bottom shell, the limit plate is fixed on the water meter body, the screw and the limit plate are sleeved and connected, and the nut is threadedly connected to the screw.

[0029] The utility model provides an antifreeze water meter through improvement, which has the following improvements and advantages compared with the prior art:

[0030] Through the coordinated use of the bottom shell, electric heating box, filter element and circulation element, the heated water source is introduced into the electric heating box, and the hot water source is circulated in the bottom of the water meter body and the electric heating box by the circulation element. The heat of the hot water source is used to increase the temperature of the water source in the water meter body. When the water source temperature in the water meter body is always higher than zero degrees Celsius, the water source in the water meter body will not freeze, thereby achieving the effect of antifreezing the water meter body. The use of the filter element prevents impurities in the water source from entering the electric heating box, effectively reducing the generation of scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art 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 work.

[0032] Figure 1 It is a schematic diagram of the structure of the utility model;

[0033] Figure 2 It is a schematic diagram of the structure of the bottom shell, electric heating box and heat exchange shell of the utility model;

[0034] Figure 3 This is a schematic diagram of the structure of the connector, filter element and filter cartridge of the utility model;

[0035] Figure 4 This is a schematic diagram of the structure of the heat exchange shell, the guide pipe and the return pipe of the utility model;

[0036] Figure 5 This is a schematic diagram of the structure of the outer shell, thermal insulation layer and sponge pad of the utility model;

[0037] Figure 6 It is a structural schematic diagram of the elastic member, the lower pressing plate and the pull rod of the utility model.

[0038] Description of reference numerals:

[0039] 1- water meter body, 2- heat exchange component, 21- bottom shell, 22- electric heating box, 221- heating element, 23- water supply and drainage parts, 231- horizontal pipe, 232- filter element, 232a- filter cartridge, 232b- connector, 232c- filter element, 233- valve, 24- circulation parts, 241- micro pump, 242- flow guide pipe, 243- heat exchange shell, 244- return pipe, 3- protection component, 31- instrument insulation part, 311- shell, 312- insulation layer, 313- sponge pad, 32- connection part, 321- ear plate, 322- pull rod, 323- cylinder, 324- connection plate, 33- adjustment part, 331- lower pressure plate, 332- positioning pin, 333- elastic part, 4- fixing part, 41- screw, 42- limit plate, 43- nut. DETAILED DESCRIPTION

[0040] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. 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.

[0041] In the description of the present invention, it should be understood that the terms "center" - "longitudinal" - "lateral" - "length" - "width" - "thickness" - "up" - "down" - "front" - "back" - "left" - "right" - "vertical" - "horizontal" - "top" - "bottom" - "inside" - "outside" - "clockwise" - "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation - be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In the description of the present utility model, it should be understood that the terms "first"-"second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first"-"second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed"-"connected"-"connected" 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 a connection between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0043] In this embodiment, if Figure 1 and Figure 2 As shown, the antifreeze water meter includes a water meter body 1 and a heat exchange component 2. The heat exchange component 2 is used to increase the temperature of the retained water source in the water meter body 1. The heat exchange component 2 includes a bottom shell 21, an electric heating box 22, a water supply and drainage component 23 and a circulation component 24. The bottom shell 21 is installed at the bottom of the water meter body 1, and the electric heating box 22 is fixedly connected to the bottom of the bottom shell 21. The water supply and drainage component 23 is used to replace the water source in the electric heating box 22, and the circulation component 24 is used to exchange heat between the water source in the electric heating box 22 and the water source in the water meter body 1.

[0044] Therefore, by adding a hot water source to the electric heating box 22, the hot water source is circulated in the bottom of the water meter body 1 and the electric heating box 22 by the circulation member 24, and the temperature of the water source in the water meter body 1 is increased by the heat of the hot water source. When the temperature of the water source in the water meter body 1 is always higher than zero degrees Celsius, the water source in the water meter body 1 will not freeze, thereby achieving an antifreeze effect on the water meter body 1;

[0045] Furthermore, a cavity is processed in the bottom shell 21 and is connected to the water meter body 1. The electric heating box 22 is used to hold an external water source. The water supply and drainage parts 23 are used to replace the water source in the electric heating box 22. The setting of the water supply and drainage parts 23 prevents large particles of impurities in the external water source from entering the electric heating box 22. The circulation part 24 is used to circulate the hot water in the electric heating box 22 and the residual water source in the water meter body 1 for heat exchange.

[0046] In some embodiments, Figure 2 and Figure 4 As shown, the circulation component 24 includes a micro pump 241, a guide pipe 242, a heat exchange shell 243 and a return pipe 244. The micro pump 241 is installed in the electric heating box 22, the heat exchange shell 243 is sleeved in the bottom shell 21, the guide pipe 242 connects the heat exchange shell 243 and the micro pump 241, and the return pipe 244 connects the heat exchange shell 243 and the electric heating box 22.

[0047] Furthermore, the micro pump 241 can be selected as a water pump of model: YQP-300. The micro pump 241 is a common technology for people in this field and will not be described in detail. The guide pipe 242 mainly guides the hot water source into the heat exchange shell 243. The heat exchange shell 243 is processed with a seesaw to increase the contact area with the water source in the water meter body 1 and improve the heat exchange efficiency. The return pipe 244 is used to guide the water source after heat exchange into the electric heating box 22 for circulation heating.

[0048] In some embodiments, Figure 1 and Figure 2As shown, the water supply and drainage component 23 includes a transverse pipe 231 , a filter 232 and a valve 233 . The transverse pipe 231 is connected to the electric heating box 22 . The filter 232 is used to filter the water source entering the transverse pipe 231 . The valve 233 is installed in the transverse pipe 231 .

[0049] Furthermore, the filtered water source enters the electric heating box 22 through the transverse pipe 231, and the water source after long-term use is discharged through the transverse pipe 231. The filter element 232 is designed to remove impurities in the water and reduce the generation of scale. The valve 233 is designed to control the opening and closing of the transverse pipe 231.

[0050] In some embodiments, Figure 1 and Figure 3 As shown, the filter element 232 includes a filter cartridge 232a, a connector 232b and a filter element 232c. The filter cartridge 232a is connected to the cross tube 231. The connector 232b is threadedly connected to the filter cartridge 232a. The filter element 232c is arranged in the filter cartridge 232a. The filter element 232c and the connector 232b are fixedly connected.

[0051] Furthermore, the filter cartridge 232a is installed in the middle position of the transverse tube 231, and the filter cartridge 232a is located between the valve 233 and the electric heating box 22. The connector 232b and the filter cartridge 232a are detachably connected, and the filter holes processed in the filter element 232c are used to filter impurities in the water.

[0052] In some embodiments, Figure 1 As shown, a heating element 221 is installed in the electric heating box 22;

[0053] Furthermore, the heating element 221 is a common heating rod on the market. The model of the heating element 221 is: TN-50W. The main working principle is to use resistance to generate heat after power is turned on, and the resistance in the heating element 221 is used to heat the water source.

[0054] In some embodiments, Figure 1 , Figure 5 and Figure 6 As shown, a protective component 3 is provided on the water meter body 1, and the protective component 3 includes an instrument insulation component 31, a connecting component 32 and an adjusting component 33. The instrument insulation component 31 is used to insulate the instrument on the top of the water meter body 1, the connecting component 32 is used to adjust the position of the instrument insulation component 31 on the water meter body 1, and the adjusting component 33 is used to adjust the use height of the instrument insulation component 31 on the connecting component 32.

[0055] Furthermore, the instrument insulation component 31 can fit on the top of the water meter body 1, and the instrument insulation component 31 wraps the instrument panel on the water meter body 1. The connecting component 32 is used to restrict the use position of the instrument insulation component 31, and the adjusting component 33 can make the instrument insulation component 31 open automatically.

[0056] In some embodiments, Figure 1 and Figure 5 As shown, the meter insulation component 31 includes an outer shell 311 , an insulation layer 312 and a sponge pad 313 . The outer shell 311 is installed on the top of the water meter body 1 , the insulation layer 312 is fixedly connected in the outer shell 311 , and the sponge pad 313 is fixedly connected in the insulation layer 312 .

[0057] Therefore, the shell 311 is made of metal material to wrap the top of the water meter body 1, and a heat-insulating layer 312 is added to the shell 311. The heat-insulating layer 312 is made of foam material to ensure the temperature of the water meter body 1. The sponge pad 313 has a buffering effect and is used with the shell 311 to prevent the instrument panel on the water meter body 1 from being damaged.

[0058] Furthermore, the shell 311 may be made of aluminum, and the insulation layer 312 may be made of other insulation materials, such as rock wool.

[0059] In some embodiments, Figure 5 As shown, the connecting member 32 includes an ear plate 321, a pull rod 322, a cylinder 323 and a connecting plate 324. The ear plate 321 is fixedly connected to the housing 311, the pull rod 322 is fixedly connected to the ear plate 321, the cylinder 323 and the pull rod 322 are sleeved and connected, and the connecting plate 324 fixes the cylinder 323 and the water meter body 1.

[0060] Furthermore, the pull rod 322 and the housing 311 are connected together through the ear plate 321 , and the pull rod 322 can move up and down in the cylinder 323 . A sliding groove for the movement of the positioning pin 332 is provided on the outer wall of the cylinder 323 .

[0061] In some embodiments, Figure 6 As shown, the adjusting member 33 includes a lower pressing plate 331, a positioning pin 332 and an elastic member 333. The lower pressing plate 331 and the pull rod 322 are fixedly connected. The positioning pin 332 is threadedly connected to the lower pressing plate 331. The elastic member 333 is installed at the bottom of the lower pressing plate 331, and the elastic member 333 is sleeved in the cylinder 323.

[0062] Furthermore, the lower pressure plate 331 is processed into a round cake shape and is located in the inner cavity of the cylinder 323. The elastic member 333 can be a compression spring or an air bag, etc. The outer wall of the positioning pin 332 is processed with threads. The positioning pin 332 can fix the lower pressure plate 331 at different positions of the cylinder 323. The elastic member 333 is set for the opening and closing of the outer shell 311.

[0063] In some embodiments, Figure 1 and Figure 2As shown, a fixing member 4 is installed on the water meter body 1, and the fixing member 4 connects the bottom shell 21 and the water meter body 1. The fixing member 4 includes a screw 41, a limit plate 42 and a nut 43. The screw 41 is fixed on the bottom shell 21, the limit plate 42 is fixed on the water meter body 1, the screw 41 and the limit plate 42 are connected in sleeve connection, and the nut 43 is threadedly connected to the screw 41;

[0064] Furthermore, four screws 41 are fixedly connected to the bottom shell 21 , and the limiting plates 42 are symmetrically distributed on the outer wall of the water meter body 1 . Two through holes are processed in each limiting plate 42 , and the nuts 43 are used to fix the position of the screws 41 in the limiting plates 42 .

[0065] Working principle:

[0066] First, the bottom shell 21 and the water meter body 1 are connected, the screw 41 on the bottom shell 21 is inserted into the limit plate 42, and the screw 41 is fixed in position with the nut 43 to complete the installation of the bottom shell 21. After the external water source enters the electric heating box 22 for heating, the micro pump 241 is started to introduce the hot water into the heat exchange shell 243 through the guide pipe 242. At this time, the cold water at the bottom of the water meter body 1 and the hot water in the heat exchange shell 243 exchange heat. The cold water in the water meter body 1 is in a warm state, which is higher than the freezing temperature of water. After heat exchange, the water source in the heat exchange shell 243 flows through the reflux pipe 244 and re-enters the bottom shell 21 for heating. The continuous circulation of hot water keeps the water source in the water meter body 1 in a warm state. The valve 233 in the cross pipe 231 is opened, and the water source used for a long time in the electric heating box 22 is discharged through the cross pipe 231. The valve 233 is closed and filtered. 232 re-adds water source into the horizontal pipe 231, the filter cartridge 232a filters the impurities in the water, and the connector 232b is disassembled to clean the impurities retained in the filter cartridge 232a. When the water meter body 1 needs to be read, the positioning pin 332 and the cylinder 323 are rotated to separate, and the pull rod 322 is pushed up in the cylinder 323 through the lower pressure plate 331 under the action of the elastic member 333, and then the shell 311 and the water meter body 1 are separated. At this time, the water meter body 1 can be read, and the shell 311 is pressed down to drive the pull rod 322 to reset in the cylinder 323, and the positioning pin 332 is used to re-fix the lower pressure plate 331, and the shell 311 is put on the top of the water meter body 1, and the insulation layer 312 is used to prevent cold air from invading the instrument panel of the water meter body 1, and the sponge pad 313 is used in conjunction with the shell 311 to prevent the instrument panel on the water meter body 1 from being damaged.

[0067] 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. Antifreeze water meter, characterized in that: include: Water meter body (1); A heat exchange component (2), the heat exchange component (2) being used to increase the temperature of the water source retained in the water meter body (1); The heat exchange assembly (2) comprises a bottom shell (21), an electric heating box (22), a water supply and drainage component (23) and a circulation component (24); The bottom shell (21) is installed at the bottom of the water meter body (1), the electric heating box (22) is fixedly connected to the bottom of the bottom shell (21), the water supply and drainage component (23) is used to replace the water source in the electric heating box (22), and the circulation component (24) is used to exchange heat between the water source in the electric heating box (22) and the water source in the water meter body (1).

2. The antifreeze water meter according to claim 1, characterized in that: The circulation element (24) comprises a micro pump (241), a flow guide pipe (242), a heat exchange shell (243) and a return pipe (244); The micro pump (241) is installed in the electric heating box (22), the heat exchange shell (243) is sleeved in the bottom shell (21), the flow guide pipe (242) connects the heat exchange shell (243) and the micro pump (241), and the return pipe (244) connects the heat exchange shell (243) and the electric heating box (22).

3. The antifreeze water meter according to claim 1, characterized in that: The water supply and drainage component (23) comprises a transverse pipe (231), a filter component (232) and a valve (233); The transverse pipe (231) is in communication with the electric heating box (22); the filter element (232) is used to filter the water source entering the transverse pipe (231); and the valve (233) is installed in the transverse pipe (231).

4. The antifreeze water meter according to claim 3, characterized in that: The filter element (232) comprises a filter cartridge (232a), a connector (232b) and a filter element (232c); The filter cartridge (232a) is connected to the transverse tube (231), the connector (232b) is threadedly connected to the filter cartridge (232a), the filter element (232c) is arranged in the filter cartridge (232a), and the filter element (232c) and the connector (232b) are fixedly connected.

5. The antifreeze water meter according to claim 1, characterized in that: A heating element (221) is installed in the electric heating box (22).

6. The antifreeze water meter according to claim 1, characterized in that: The water meter body (1) is provided with a protection component (3); The protection component (3) comprises an instrument heat-insulating component (31), a connecting component (32) and an adjusting component (33); The instrument heat-insulating component (31) is used to insulate the instrument on the top of the water meter body (1); the connecting component (32) is used to adjust the position of the instrument heat-insulating component (31) on the water meter body (1); and the adjusting component (33) is used to adjust the use height of the instrument heat-insulating component (31) on the connecting component (32).

7. The antifreeze water meter according to claim 6, characterized in that: The instrument heat-insulating component (31) comprises a shell (311), a heat-insulating layer (312) and a sponge pad (313); The outer shell (311) is installed on the top of the water meter body (1), the thermal insulation layer (312) is fixedly connected in the outer shell (311), and the sponge pad (313) is fixedly connected in the thermal insulation layer (312).

8. The antifreeze water meter according to claim 7, characterized in that: The connecting member (32) comprises an ear plate (321), a pull rod (322), a cylinder (323) and a connecting plate (324); The ear plate (321) and the housing (311) are fixedly connected, the pull rod (322) is fixedly connected to the ear plate (321), the cylinder (323) and the pull rod (322) are sleeved and connected, and the connecting plate (324) fixes the cylinder (323) and the water meter body (1).

9. The antifreeze water meter according to claim 8, characterized in that: The adjusting member (33) comprises a lower pressing plate (331), a positioning pin (332) and an elastic member (333); The lower pressing plate (331) and the pull rod (322) are fixedly connected, the positioning pin (332) is threadedly connected to the lower pressing plate (331), the elastic member (333) is installed at the bottom of the lower pressing plate (331), and the elastic member (333) is sleeved in the cylinder (323).

10. The antifreeze water meter according to claim 1, characterized in that: A fixing member (4) is installed on the water meter body (1), and the fixing member (4) connects the bottom shell (21) and the water meter body (1); The fixing member (4) comprises a screw rod (41), a limiting plate (42) and a nut (43); The screw rod (41) is fixed on the bottom shell (21), the limit plate (42) is fixed on the water meter body (1), the screw rod (41) and the limit plate (42) are sleeved and connected, and the nut (43) is threadedly connected to the screw rod (41).

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