Integrated detection tube for water heater

By integrating the sensor head and detection element into the loading tube through the design of the integrated detection tube, and using high-strength metal material, the problem of freezing and cracking of the water inlet pipe of the water heater in cold environment is solved, which improves the reliability and durability of the equipment.

CN223807381UActive Publication Date: 2026-01-16ZHONGSHAN HANGONG ELECTRIC APPLIANCE TECH CO LTD
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Patent Information

Application Number
CN202423236823.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The water inlet pipe of the existing water heater is prone to freezing and cracking in cold environments when connected to the Hall effect water flow sensor, which can damage the equipment.

Method used

An integrated detection tube was designed, with the sensor head installed inside the loading tube and the detection element installed on the outside of the loading tube. The water supply pipe and loading tube are made of high-strength metal, and the detection mechanism is integrated to avoid the need for a separate water flow sensor. The sensor head triggers the detection signal through the water flow.

Benefits of technology

This design prevents the detector tube from freezing and cracking in cold environments, thus improving the reliability and durability of the water heater.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an integrated detection tube for a water heater, which comprises a heater main body, a water inlet mechanism and a detection mechanism, the water inlet mechanism is matched with the detection mechanism, the water inlet mechanism comprises a water delivery pipe and a loading pipe, and the detection mechanism is divided into a sensing head and a detection element. The sensing head is mounted in the loading pipe, and the detection element is mounted on the outer side of the loading pipe, so that the sensing head and the detection element are separated by the pipe wall of the loading pipe, namely, the structure of the detection mechanism is integrated on the loading pipe, and the structure is used as a structural basis, so that the detection mechanism can be conveniently assembled and disassembled during product production. The water conveying pipe and the loading pipe are made of metal materials with higher strength, when the water heater is installed, the water supply pipe can be directly connected to the loading pipe carrying the detection mechanism, an independent water flow sensor does not need to be externally connected, the detection pipe is not prone to icing and spalling even if the detection pipe is used in a cold environment, and the water heater is convenient to use. And the water heater is more reliable and durable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to domestic appliance technical field, especially relate to a integrated detection pipe for water heater. BACKGROUND

[0002] At present, part water heater will be provided with hall water flow sensor at the water inlet of heater, so as to detect the water flow state of water inlet pipe, but in the existing water heater, the connection of water inlet pipe and hall water flow sensor is directly connected to the independently arranged hall water flow sensor through the water inlet of water inlet pipe, under the cooperation of the structure, the water flow will flow through the hall water flow sensor before being input into the water inlet pipe, and finally input into the water heater, if the water heater is used in a relatively cold environment, the water flow is easy to freeze at the connection part after flowing through the hall water flow sensor and the water inlet pipe, even in the hall water flow sensor, thereby having the risk of expanding the connection part or the hall water flow sensor, causing the serious consequences of damaging the water heater. SUMMARY

[0003] The utility model discloses a kind of integrated detection pipes for water heater, solve the problem that the connection part of water inlet pipe and water flow sensor of existing water heater is easy to expand in cold environment.

[0004] The utility model provides technical scheme as follows: a kind of integrated detection pipe for water heater, including heater main body, water inlet mechanism and detection mechanism, the water inlet mechanism includes water delivery pipe and loading pipe, the detection mechanism includes the sensor head and detection element corresponding arrangement, the sensor head is located in the inside of the loading pipe, the detection element is located at the outside of the loading pipe, so that the sensor head and the detection element are separated and located at the two sides of the pipe wall of the loading pipe, the water delivery pipe is connected to the heater main body at the end away from the loading pipe, the water flow that enters the heater main body by the water inlet mechanism can trigger the sensor head in the loading pipe when passing through the loading pipe, to trigger the detection signal of the detection element.

[0005] A kind of integrated detection pipe for water heater as described above, the water delivery pipe and the loading pipe are integrally formed and arranged.

[0006] A kind of integrated detection pipe for water heater as described above, the sensor head includes water inlet piece, water outlet piece and rotor, the rotor is rotationally arranged between the water inlet piece and the water outlet piece, water flows through the water outlet piece when passing through the water inlet piece, drives the rotor rotation, the rotation of the rotor is used to trigger the detection signal of the detection element.

[0007] The integrated detection tube for the water heater as described above, the water inlet member and the water outlet member are cylindrical, the rotor is coaxially arranged between the water inlet member and the water outlet member, the water inlet member is provided with a plurality of spoiler plates arranged uniformly around the axis, the rotor is provided with a plurality of flow baffles arranged uniformly around the axis, the spoiler plates are used to form a spiral flow of water flowing through the water inlet member, and the spiral flow of water flows through the flow baffles to drive the rotation of the rotor.

[0008] The integrated detection tube for the water heater as described above, the water outlet member is provided with a plurality of flow stabilizers arranged uniformly around the axis, and the flow stabilizers are parallel to the central axis of the water outlet member.

[0009] The integrated detection tube for the water heater as described above, the tail of the water inlet member is sleeved with the head of the water outlet member.

[0010] The integrated detection tube for the water heater as described above, the water inlet mechanism further comprises a mounting pipe arranged at the end of the loading pipe away from the water conveying pipe, the mounting pipe is provided with a mounting channel communicated with the inner cavity of the loading pipe, and the sensing head is mounted to the inner cavity of the loading pipe through the mounting channel.

[0011] The integrated detection tube for the water heater as described above, the water inlet mechanism further comprises a filling ring and a filter plug, the filter plug is arranged at the opening of the mounting channel in a covering manner, the filling ring is coaxially arranged in the mounting channel, and the two ends of the filling ring in the axial direction are respectively abutted with the filter plug and the sensing head.

[0012] The integrated detection tube for the water heater as described above, the outer side of the loading pipe is in the shape of a cuboid, and the outer side surface of the loading pipe is provided with a fixing hole for fixing the detection element.

[0013] The integrated detection tube for the water heater as described above, the outer side of the mounting pipe is in the shape of a cylinder, and the outer side surface of the mounting pipe is provided with a connecting thread.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model discloses an integrated detection tube for water heater, adopt the cooperation of water inlet mechanism and detection mechanism, wherein the water inlet mechanism includes water delivery pipe and loading pipe, the detection mechanism is divided into two components of sensing head and detection element, and the sensing head is installed to the inside of loading pipe, and the detection element is installed to the outside of loading pipe, the pipe wall of loading pipe separates sensing head and detection element, and the structure of detection mechanism is integrated on loading pipe, and on the basis of structure, higher strength metal material can be used in the forming manufacturing of water delivery pipe and loading pipe in product production, and when installing water heater, the water supply pipe can be directly connected to the loading pipe with detection mechanism, and independent water flow sensor is not needed, so that the detection tube is not easy to freeze and crack even in cold environment, and the water heater is more reliable and durable. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the partial stereoscopic explosion schematic view of the integrated detection tube of the utility model.

[0017] Figure 2 It is the sectional stereoscopic explosion schematic view of the integrated detection tube of the utility model.

[0018] Figure 3 It is the finished product stereoscopic schematic view of the integrated detection tube of the utility model after installing in heater main body.

[0019] Mark explanation: 1, heater main body;2, water inlet mechanism;3, detection mechanism;21, water delivery pipe;22, loading pipe;23, installation pipe;24, filling ring;25, filter plug;31, sensing head;32, detection element;221, fixed hole;231, installation channel;232, connecting thread;311, water inlet part;312, water outlet part;313, rotor;3111, spoiler;3121, steady flow plate;3131, flow baffle. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0021] Embodiment 1: please refer to the drawings of the utility model Figure 1 to the drawings of the utility model Figure 3The embodiment provides an integrated detection tube for a water heater, which comprises a heater body 1, a water inlet mechanism 2 and a detection mechanism 3, the water inlet mechanism 2 comprises a water conveying pipe 21 and a loading pipe 22, the detection mechanism 3 comprises a sensing head 31 and a detection element 32 which are arranged correspondingly, the sensing head 31 is arranged in the inside of the loading pipe 22, the detection element 32 is arranged on the outside of the loading pipe 22, the sensing head 31 and the detection element 32 are arranged on the two sides of the pipe wall of the loading pipe 22, the water conveying pipe 21 is connected to the heater body 1 at the end far from the loading pipe 22, when the water flowing into the heater body 1 through the water inlet mechanism 2 flows through the loading pipe 22, the sensing head 31 arranged in the loading pipe 22 can be triggered, so that the detection signal of the detection element 32 is triggered. The integrated detection tube for the water heater of the embodiment adopts the cooperation of the water inlet mechanism 2 and the detection mechanism 3, wherein the water inlet mechanism 2 comprises the water conveying pipe 21 and the loading pipe 22, the detection mechanism 3 comprises two components of the sensing head 31 and the detection element 32, the sensing head 31 is arranged in the inside of the loading pipe 22, the detection element 32 is arranged on the outside of the loading pipe 22, the pipe wall of the loading pipe 22 separates the sensing head 31 and the detection element 32, which is equivalent to integrating the structure of the detection mechanism 3 on the loading pipe 22, on the basis of the structure, the higher-strength metal material can be used for the forming and manufacturing of the water conveying pipe 21 and the loading pipe 22 when the product is produced, when the water heater is installed, the water supply pipe can be directly connected to the loading pipe 22 which is provided with the detection mechanism 3, and the independent water flow sensor is not needed, so that the detection tube is not prone to the ice expansion and cracking phenomenon even when it is used in the cold environment, and the water heater is more reliable and durable.

[0022] Further, the water conveying pipe 21 and the loading pipe 22 are integrally formed, which greatly strengthens the strength of the detection tube and prevents the ice expansion and cracking.

[0023] The sensing head 31 comprises a water inlet part 311, a water outlet part 312, and a rotor 313 rotatably arranged between the water inlet part 311 and the water outlet part 312. When water flows from the water inlet part 311 to the water outlet part 312, the rotor 313 is driven to rotate. The rotation of the rotor 313 is used to trigger the detection signal of the detection element 32. The rotor 313 is magnetic. The water inlet part 311 and the water outlet part 312 are both cylindrical. The rotor 313 is coaxially arranged between the water inlet part 311 and the water outlet part 312. The water inlet part 311 is provided with a plurality of flow disturbing plates 3111 arranged around the axis. The rotor 313 is provided with a plurality of flow blocking plates 3131 arranged around the axis. The flow disturbing plates 3111 are used to form a spiral flow of water flowing through the water inlet part 311. The spiral flow of water flows through the flow blocking plates 3131 to drive the rotation of the rotor 313. During the rotation of the rotor 313, a rotating magnetic field with different magnetic poles is generated. The rotating magnetic field cuts the magnetic induction lines near the Hall element, thereby generating a Hall voltage in the Hall element. The Hall element converts the change of the magnetic field into the change of the electric signal and outputs a corresponding pulse signal. The frequency of the pulse signal is proportional to the rotation speed of the magnetic rotor, that is, proportional to the water flow. By measuring the frequency of the pulse signal output by the Hall element, the size of the water flow can be determined. The sensing head 31 with the above structure has the characteristics of sensitive reflection, rapid action, and convenient connection.

[0024] Further, the water outlet part 312 is provided with a plurality of flow stabilizing plates 3121 arranged around the axis. The flow stabilizing plates 3121 are all parallel to the central axis of the water outlet part 312 and are used to weaken the spiral flow of the output water flow.

[0025] The tail of the water inlet part 311 is sleeved with the head of the water outlet part 312, which is convenient to install.

[0026] The water inlet mechanism 2 further comprises a mounting pipe 23 arranged at the end of the loading pipe 22 away from the water conveying pipe 21. The mounting pipe 23 is provided with a mounting channel 231 communicating with the inner cavity of the loading pipe 22. The sensing head 31 is mounted to the inner cavity of the loading pipe 22 through the mounting channel 231. The mounting pipe 23 does not need to be provided with an additional mounting port on the loading pipe 22, which ensures the overall structural strength of the loading pipe 22.

[0027] The water inlet mechanism 2 further comprises a filling ring 24 and a filter plug 25. The filter plug 25 is arranged at the opening of the mounting channel 231. The filling ring 24 is coaxially arranged in the mounting channel 231. The two ends of the filling ring 24 in the axial direction abut against the filter plug 25 and the sensing head 31, respectively. The filling ring 24 is a rubber ring that can be fitted around the inner wall of the mounting channel 231. The filter plug 25 is provided with a metal filter screen. The arrangement of the filling ring 24 and the filter plug 25 can prevent the sensing head 31 from vibrating axially in the inner cavity of the loading pipe 22 and can also filter the water flow input into the loading pipe 22.

[0028] The outer side of the loading pipe 22 is cuboid, and the outer side surface of the loading pipe 22 is provided with a fixing hole 221 for fixing the detection element 32, so as to facilitate the installation and fixation of the detection element 32 on the loading pipe 22.

[0029] The outer side of the mounting pipe 23 is cylindrical, and the outer side surface of the mounting pipe 23 is provided with a connecting thread 232, which facilitates the connection and fixation of the loading pipe 22 and the water heater shell.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An integrated detection tube for water heaters, characterized in that: The application relates to a water heater, which comprises a heater body (1), a water inlet mechanism (2) and a detection mechanism (3), wherein the water inlet mechanism (2) comprises a water inlet pipe (21) and a loading pipe (22), the detection mechanism (3) comprises a corresponding sensing head (31) and a detection element (32), the sensing head (31) is arranged in the loading pipe (22), the detection element (32) is arranged outside the loading pipe (22), the sensing head (31) and the detection element (32) are arranged on both sides of the pipe wall of the loading pipe (22), one end of the water inlet pipe (21) away from the loading pipe (22) is connected to the heater body (1), and the water flow entering the heater body (1) through the water inlet mechanism (2) can trigger the sensing head (31) in the loading pipe (22), so as to trigger the detection signal of the detection element (32).

2. An integrated probe tube for a water heater as defined in claim 1, wherein: The water inlet pipe (21) and the loading pipe (22) are integrally formed.

3. The integrated probe tube for a water heater of claim 1, wherein: The sensing head (31) comprises a water inlet part (311), a water outlet part (312) and a rotor (313), the rotor (313) is rotatably arranged between the water inlet part (311) and the water outlet part (312), when water flows from the water inlet part (311) to the water outlet part (312), the rotor (313) is driven to rotate, and the rotation of the rotor (313) is used for triggering the detection signal of the detection element (32).

4. An integrated probe tube for a water heater as defined in claim 3, wherein: The water inlet part (311) and the water outlet part (312) are both cylindrical, the rotor (313) is coaxially arranged between the water inlet part (311) and the water outlet part (312), a plurality of turbulence plates (3111) are arranged on the water inlet part (311) and are uniformly distributed around the axis, a plurality of flow baffles (3131) are arranged on the rotor (313) and are uniformly distributed around the axis, the turbulence plates (3111) are used for forming spiral water flow of water flowing through the water inlet part (311), the spiral water flow flows through the flow baffles (3131), so as to drive the rotation of the rotor (313).

5. An integrated probe tube for a water heater as defined in claim 4, wherein: A plurality of flow stabilizers (3121) are arranged in the water outlet part (312) and are uniformly distributed around the axis, and the flow stabilizers (3121) are all parallel to the central axis of the water outlet part (312).

6. An integrated probe tube for a water heater as defined in claim 5, wherein: The tail part of the water inlet part (311) is sleeved with the head part of the water outlet part (312).

7. The integrated probe tube for a water heater of claim 1, wherein: The water inlet mechanism (2) further comprises a mounting pipe (23) arranged at one end of the loading pipe (22) away from the water inlet pipe (21), the mounting pipe (23) is provided with a mounting channel (231) communicated with the inner cavity of the loading pipe (22), and the sensing head (31) is mounted to the inner cavity of the loading pipe (22) through the mounting channel (231).

8. An integrated probe tube for a water heater as defined in claim 7, wherein: The water inlet mechanism (2) further comprises a filling ring (24) and a filter plug (25), the filter plug (25) is arranged at the opening of the mounting channel (231), and the filling ring (24) is coaxially arranged in the mounting channel (231), and the two axial ends of the filling ring (24) are respectively abutted with the filter plug (25) and the sensing head (31).

9. An integrated probe tube for a water heater as defined in claim 7, wherein: The outer side of the loading pipe (22) is in the shape of a cuboid, and the outer side surface of the loading pipe (22) is provided with a fixing hole (221) for fixing the detection element (32).

10. The integrated probe tube for a water heater of claim 7, wherein: The outer side of the mounting pipe (23) is in the shape of a cylinder, and the outer side surface of the mounting pipe (23) is provided with a connecting thread (232).