CN209744731U - Hot water circulating device - Google Patents
Hot water circulating device Download PDFInfo
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- CN209744731U CN209744731U CN201822229294.1U CN201822229294U CN209744731U CN 209744731 U CN209744731 U CN 209744731U CN 201822229294 U CN201822229294 U CN 201822229294U CN 209744731 U CN209744731 U CN 209744731U
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- flow sensor
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- water pump
- hot water
- circulation device
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Abstract
The utility model relates to a hot water circulating device, solve each part independent setting respectively that prior art exists, connected node is many and expose and the problem that arouses, the technical scheme of adoption: the cover is internally provided with a flow sensor in signal connection with the control assembly, the flow sensor is a Hall flow sensor, the flow sensor is fixedly connected to a water inlet or a water outlet of the water pump, and the flow sensor and the water inlet or the water outlet of the water pump realize radial sealing through an O-shaped ring. The method has the following effects: the water pump, the control assembly and the flow sensor are integrated in the same cover body, so that the external installation interface points are reduced, the structure is more compact, the integrity is better, the installation is convenient, and the problem that the user pipeline structure has different requirements on the lead length of the flow sensor is avoided.
Description
Technical Field
The utility model relates to a hot water circulating device especially relates to a hot water circulating device suitable for water heater circulation pipeline.
Background
Along with the improvement of living standard of people, more and more people select to add a circulating device in a hot water circulating system heated by a water heater, and a water pump in the circulating device circulates cooled hot water in a hot water pipe, so that the water heater is triggered to start heating, and the function of zero cold water in a pipeline is realized.
At present, a common hot water circulating device on the market has a separated flow sensor and a separated circulating device, namely the flow sensor is externally arranged, so that a wire connecting the flow sensor to the circulating device is exposed, the length of the wire is related to a pipeline of a user, the wire is not easy to determine, and the wire is easy to damage; the number of interface points is increased due to the separate installation, the installation is not facilitated, and the installation is complicated; in addition, the separately mounted flow sensor also destroys the integrity of the product.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem that prior art exists and provide a hot water circulating device, it is internal with water pump, control assembly and flow sensor all to assemble at same cover, not only reduces outside installation interface point, also makes the structure more compact, the wholeness is better, simple to operate avoids appearing the problem that has different demands of user's pipeline structure to flow sensor lead wire length.
The above technical purpose of the present invention is mainly solved by the following technical solutions: the water pump cover is characterized in that the cover body is internally provided with a flow sensor connected with a control assembly signal, the flow sensor is a Hall flow sensor, the flow sensor is fixedly connected with a water inlet or a water outlet of the water pump, and the flow sensor and the water inlet or the water outlet of the water pump realize radial sealing through an O-shaped ring. The water pump, the control assembly and the flow sensor are integrated in the same cover body, so that the external installation interface points are reduced, the structure is more compact, the integrity is better, the installation is convenient, and the problem that the user pipeline structure has different requirements on the lead length of the flow sensor is avoided.
As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure: the flow sensor is arranged at a water outlet of the water pump, and the flow sensor is in water-tight fit with a pump body of the water pump through an O-shaped ring. The flow sensor is arranged at the water outlet of the water pump so as to reduce the influence on the water flow at the water inlet of the water pump. The flow sensor is matched with the pump body in a water-tight way so as to prevent water leakage.
One end of the shell of the flow sensor is of a cylindrical structure, the other end of the shell of the flow sensor is of a threaded structure, the cylindrical structure is matched with the water outlet of the pump body, and the threaded structure extends out of the cover body. The extended thread structure is used as an outlet joint of the hot water circulating device and is used for being connected with a corresponding pipeline. The material of the flow sensor shell is preferably brass, and the flow sensor shell has the advantages of high strength, no magnetism, safety and sanitation.
The water inlet and the water outlet of the water pump are on the same axis, the water pump is provided with a water inlet pipe section, the water inlet pipe section is of a threaded structure, and the water inlet pipe section extends out of the cover body. The extended water inlet pipe section is used as a water inlet joint of the hot water circulating device and is used for being connected with a corresponding pipeline, and the pump body of the water pump is preferably made of brass and has the advantages of high strength, no magnetism, safety and sanitation.
In order to facilitate production, processing and assembly, the cover body comprises a middle shell with a through cavity, a bottom plate fixed at one end of the middle shell through a connecting piece, and an upper cover connected at the other end of the middle shell through a buckle.
The flow sensor is characterized in that a lug is arranged on the shell of the flow sensor, a fixing hole is formed in the lug, a connecting piece penetrates through the fixing hole, and the flow sensor is fixed on the support post of the bottom plate through the connecting piece.
And a temperature sensor which is radially screwed on the flow sensor is arranged on the shell of the flow sensor, and a temperature measuring head of the temperature sensor is matched with a flow channel in the flow sensor. The temperature measuring head of the temperature sensor is directly contacted with the water flowing through the pump body, so that the advantage of quick response is achieved.
The utility model discloses beneficial effect who has: 1. the water pump, the control assembly and the flow sensor are integrated in the same cover body, so that the external installation interface points are reduced, the structure is more compact, the integrity is better, the installation is convenient, and the problem that the user pipeline structure has different requirements on the lead length of the flow sensor is avoided. 2. The water inlet and the water outlet of the water pump are on the same axis, so that the water pump is conveniently connected with the flow sensor, and the water pump and the flow sensor are respectively connected with an external pipeline. 3. The outlet connector is formed at the position of the flow sensor extending out of the cover body, and the inlet connector is formed at the position of the pump body extending out of the cover body, so that the flow sensor is conveniently connected with an external pipeline.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic cross-sectional view of a flow sensor of the present invention.
Fig. 3 is a schematic view of a part of the structure of the present invention.
Fig. 4 is a partial exploded view of the present invention.
Fig. 5 is a schematic view of an axial measurement structure of the middle shell of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1, the hot water circulation device comprises a cover body 4, a circulating water pump 1 and a control assembly, wherein the circulating water pump 1 and the control assembly are arranged in the cover body, the control assembly is used for controlling the water pump to work, a flow sensor 2 connected with a signal of the control assembly is arranged in the cover body, the flow sensor is a hall type flow sensor, the flow sensor is fixedly connected with a water inlet or a water outlet of the water pump, and the flow sensor and the water inlet or the water outlet of the water pump are radially sealed through an O-shaped ring.
The flow sensor 2 is arranged at a water outlet 12 of the water pump 1, and the flow sensor 2 is in water-tight fit with a pump body of the water pump through an O-shaped ring 5. Specifically, a groove is arranged on the outer circumference of the water outlet 12 of the water pump, an O-shaped ring 5 is arranged on the groove, the water outlet of the water pump is inserted into the shell 21 of the flow sensor, and the O-shaped ring 5 forms a seal with the inner circumferential surface corresponding to the shell 21 of the flow sensor 2.
As shown in fig. 2, the hall type flow sensor includes a housing 21 having a hollow structure, a guide cylinder 22 installed inside the housing, a magnetic core 23 rotatably supported in the guide cylinder, an induction housing 24 installed on an outer peripheral surface of the housing to be opposite to the magnetic core, and a snap ring 25 for axially limiting the guide cylinder, wherein when water flows through the guide cylinder 22, the magnetic core 23 rotates to generate a magnetic field change, the magnetic field change is detected by the induction housing 24 provided on the housing 21 to generate a hall signal, and the hall signal is output to the control module.
As shown in fig. 1 and 3, the flow sensor 2 is disposed at the water outlet 12 of the water pump in order to reduce the influence on the water flow at the water inlet of the water pump. If the water pump is arranged at the water inlet, when the water pressure is low, the inlet resistance is too large, so that the pressure at the inlet of the water pump is insufficient, and the use is influenced.
As shown in fig. 1-3, one end of the housing 21 of the flow sensor is a cylindrical structure, and the other end is a threaded structure, the cylindrical structure is matched with the water outlet of the pump body, and the threaded structure extends out of the cover body. The extended thread structure is used as an outlet connector 7 of the hot water circulating device and is connected with a corresponding pipeline, preferably connected with a water inlet of a water heater through a hose, and the shell of the flow sensor is preferably made of brass and has the advantages of high strength, no magnetism and safety and sanitation.
As shown in fig. 1 and 3, the water inlet 11 and the water outlet 12 of the water pump are on the same axis, the water pump is provided with a water inlet pipe section, the water inlet pipe section is of a threaded structure, and the water inlet pipe section extends out of the cover body 4. The extended thread structure is used as a water inlet joint 6 of the hot water circulating device and is connected with a corresponding pipeline, preferably connected with a cold water main pipe through a hose, and the pump body of the water pump is preferably made of brass and has the advantages of high strength, no magnetism and safety and sanitation.
As shown in fig. 4 and 5, the housing includes a middle case 42 having a through cavity, a bottom plate 41 fixed to one end of the middle case by a coupling member, and an upper cover 43 connected to the other end of the middle case by a snap. The water pump 1, the flow sensor 2, the driving plate 31 in the control assembly and the power supply plate 32 are all fixed on the bottom plate 41. The middle shell 42 encloses the bottom plate 41, the water pump and the flow sensor fixed on the bottom plate, and part of the control components, the peripheral wall of the middle shell is provided with a water inlet through hole 421 and a water outlet through hole 422, the water inlet joint (the thread structure part of the water inlet pipe section on the pump body) and the water outlet joint (the thread structure part on the flow sensor) for the hot water circulation device extend out, the same side of the water inlet through hole is provided with a cable wire through hole 423, the inner wall of the middle shell is provided with a bulge 424, the bulge 424 and a buckle 432 on the upper cover 43 form a buckle, one surface of the upper cover 43 facing the middle shell is fixed with the control panel 31 in the control component 3 through a screw, and the other surface of the upper cover 43 is provided with a panel.
As shown in fig. 3, the housing 21 of the flow sensor has lugs 211 (at least two lugs are usually provided), the lugs have fixing holes therein, the fixing holes are penetrated through the connecting pieces, the flow sensor is fixed on the support of the bottom plate through the connecting pieces, and the flow sensor and the water pump 1 form a fixed position relation.
As shown in fig. 2, a temperature sensor 26 is radially screwed on the housing of the flow sensor, and a temperature measuring head 261 of the temperature sensor is matched with a flow channel in the flow sensor. The temperature measuring head of the temperature sensor is directly contacted with the water flowing through the pump body, so that the advantage of quick response is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The hot water circulating device comprises a cover body, a circulating water pump and a control assembly, wherein the circulating water pump and the control assembly are arranged in the cover body, and the control assembly is used for controlling the water pump to work and is characterized in that a flow sensor is arranged in the cover body and is in signal connection with the control assembly, the flow sensor is a Hall flow sensor and is fixedly connected to a water inlet or a water outlet of the water pump, and the flow sensor and the water inlet or the water outlet of the water pump are radially sealed through an O-shaped ring.
2. The hot water circulation device according to claim 1, wherein the flow sensor is provided at a water outlet of the water pump.
3. The hot water circulation device according to claim 2, wherein the housing of the flow sensor has a cylindrical structure at one end and a threaded structure at the other end, the cylindrical structure is engaged with the water outlet of the circulating water pump, and the threaded structure extends out of the housing.
4. The hot water circulation device according to any one of claims 1 to 3, wherein the water inlet and the water outlet of the water pump are on the same axis, the water pump is provided with a water inlet pipe section, the water inlet pipe section is of a threaded structure, and the water inlet pipe section extends out of the cover body.
5. A hot water circulation device according to any one of claims 1 to 3, wherein the cover comprises a middle case having a through cavity, a base plate fixed to one end of the middle case by a coupling member, and an upper cover connected to the other end of the middle case by a snap fit.
6. The hot water circulation device as claimed in claim 4, wherein the cover body comprises a middle case having a through cavity, a base plate fixed to one end of the middle case by a coupling member, and an upper cover coupled to the other end of the middle case by a snap.
7. The hot water circulation device according to claim 6, wherein the flow sensor has a lug on the housing, the lug having a fixing hole therein, the fixing hole having a connector inserted therethrough, the flow sensor being fixed to the support of the base plate by the connector.
8. The hot water circulation device according to any one of claims 1 to 3, wherein the housing of the flow sensor is provided with a temperature sensor radially screwed thereon, and a temperature measuring head of the temperature sensor is engaged with a flow passage in the flow sensor.
9. The hot water circulation device according to claim 8, wherein the outer shell of the flow sensor is provided with a temperature sensor radially screwed thereon, and a temperature measuring head of the temperature sensor is engaged with a flow passage in the flow sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229294.1U CN209744731U (en) | 2018-12-28 | 2018-12-28 | Hot water circulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229294.1U CN209744731U (en) | 2018-12-28 | 2018-12-28 | Hot water circulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209744731U true CN209744731U (en) | 2019-12-06 |
Family
ID=68704330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822229294.1U Active CN209744731U (en) | 2018-12-28 | 2018-12-28 | Hot water circulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209744731U (en) |
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2018
- 2018-12-28 CN CN201822229294.1U patent/CN209744731U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20201020 Address after: 310018 22 Baiyang Street, Jianggan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: SHIMGE PUMP INDUSTRY (HANGZHOU) Co.,Ltd. Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Address before: 310018 No. 22 street, Baiyang street, Xiasha economic and Technological Development Zone, Hangzhou, Zhejiang, China 22 Patentee before: SHIMGE PUMP INDUSTRY (HANGZHOU) Co.,Ltd. Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd. |