CN112275018A - Pre-filter and gas water heater using same - Google Patents
Pre-filter and gas water heater using same Download PDFInfo
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- CN112275018A CN112275018A CN202011109841.8A CN202011109841A CN112275018A CN 112275018 A CN112275018 A CN 112275018A CN 202011109841 A CN202011109841 A CN 202011109841A CN 112275018 A CN112275018 A CN 112275018A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000011045 prefiltration Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 210000000476 body water Anatomy 0.000 claims description 15
- 239000002455 scale inhibitor Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims 1
- 239000008399 tap water Substances 0.000 abstract description 10
- 235000020679 tap water Nutrition 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a pre-filter and a gas water heater using the same, wherein the pre-filter comprises a water valve body structure, a filter element structure, a water flow monitoring structure and a temperature monitoring structure, the filter element structure is detachably arranged in the water valve body structure and is used for filtering tap water in a large area, the water flow monitoring structure and the temperature monitoring structure are uniformly arranged on the upper part of the water valve body structure, and the temperature monitoring structure is a temperature sensor. According to the pre-filter, the filter element structure is detachably arranged in the water valve body structure, so that the filter element structure with a large filter area can be used for increasing the filter area, increasing the flow of tap water and preventing blockage, the filter element structure is convenient to detach and install and convenient to use, and meanwhile, the water flow monitoring structure and the temperature monitoring structure are integrated with the water valve body structure, so that the structural process is simplified, and the product cost is reduced.
Description
Technical Field
The invention belongs to the technical field of gas water heaters, and particularly relates to a pre-filter and a gas water heater using the same.
Background
At present, conventional gas heater in the market can set up little filter screen at the end of intaking and filter aquatic impurity usually, protects the inside rivers sensor of gas heater simultaneously, prevents that the rivers sensor from dying because of the too much card of impurity.
However, the commonly used small filter screen is used for a long time at the water heater, because impurity blocks and leads to the filter area to reduce, very easily takes place to block up, and then reduces the running water flow by a wide margin, influences water heater normal use, and small filter screen fixes inside water supply connector in addition, need demolish the inlet tube when handling the jam, and is very inconvenient, and current rivers sensor and temperature sensor are equallyd divide simultaneously and are do not installed inside the water heater, and the dismouting process is numerous and diverse.
Disclosure of Invention
In order to solve the problems, the invention provides the pre-filter, which has the advantages of improving the filtering area, increasing the flow of tap water, preventing blockage, being convenient to disassemble and assemble, simplifying the structural process and reducing the product cost.
Another object of the present invention is to provide a gas water heater.
The technical scheme adopted by the invention is as follows:
the utility model provides a leading filter, includes water valve body structure, filter core structure, rivers monitoring structure and temperature monitoring structure, filter core structure detachably installs the inside water valve body structure is in order to be used for the large tracts of land to filter the running water, rivers monitoring structure and temperature monitoring structure homogeneous body install the upper portion at water valve body structure, the temperature monitoring structure is temperature sensor.
Preferably, the water valve body structure includes water valve body subassembly and inlet tube subassembly, the inlet tube subassembly is installed in water valve body subassembly one side in order to be used for into water.
Preferably, the water valve body subassembly is three-way shell structure, the water valve body subassembly includes valve body inner tube, valve body inlet tube, valve body outlet pipe and valve body flange, the valve body inner tube is coaxial with the valve body outlet pipe, the axis of valve body inlet tube and the axis mutually perpendicular of valve body inner tube, the valve body flange is installed in the valve body inner tube outside.
Preferably, the outer side of the valve body inner pipe is provided with a first thread for connecting the filter element structure and a first sealing ring for sealing the connection part of the valve body inner pipe and the filter element structure.
Preferably, valve body outlet pipe inboard is equipped with the second step that is used for connecting the first step of filter core structure and is used for installing rivers monitoring structure, the valve body outlet pipe outside is equipped with the mount pad that is used for installing rivers monitoring structure and is used for installing the installation pipe of temperature monitoring structure, the installation pipe communicates with valve body outlet pipe is inside.
Preferably, the water inlet pipe assembly is an L-shaped hollow pipe fitting, the two ends of the water inlet pipe assembly are respectively provided with a water inlet pipe and a water outlet pipe, a water inlet flange used for connecting an equipment shell is arranged on the outer side of the water inlet pipe, and the water outlet pipe is communicated with the valve body water inlet pipe in a sealing mode.
Preferably, the water flow monitoring structure comprises a magnetic impeller and a hall element, the magnetic impeller is embedded on the second step, and the hall element is installed on the installation seat.
Preferably, the filter cartridge arrangement includes a filter cartridge assembly and a housing assembly mounted externally of the filter cartridge assembly.
Preferably, the filter element assembly is a cylindrical hollow housing, the top of the filter element assembly abutting against the first step for preventing internal leakage.
Preferably, the mesh number of the filter element component is more than 100 meshes, one or more of activated carbon, KDF and scale inhibitor are added into the filter element component, and when the filter element component is multiple, the mass part ratio of the activated carbon, KDF and scale inhibitor is 1:1: 1.
Preferably, shell subassembly is the cylindrical cavity casing that one end is opened, one end is confined, the inside first internal thread that is used for connecting the water valve body structure that is equipped with of the end of opening of shell subassembly, shell subassembly inner chamber is equipped with the third step that is used for supporting the filter element subassembly, the shell subassembly outside is equipped with the rib.
Preferably, the shell subassembly is the open cylindrical cavity casing in both ends, the one end inner chamber that the shell subassembly is close to the filter element subassembly is equipped with the second internal thread that is used for connecting the water valve body structure and is used for supporting the fourth step of filter element subassembly, the one end inner chamber that the filter element subassembly was kept away from to the shell subassembly is equipped with the check valve that switches on direction and return water flow direction unanimity, the one end outside that the filter element subassembly was kept away from to the shell subassembly is equipped with the external screw thread.
The other technical scheme of the invention is realized as follows:
the gas water heater comprises the pre-filter and a gas water heater main body, wherein the pre-filter is detachably arranged on one side of the lower end face of the gas water heater main body.
Compared with the prior art, the pre-filter has the advantages that the filter element structure is detachably arranged in the water valve body structure, so that the filter element structure with a large filter area can be used for increasing the filter area, increasing the flow of tap water and preventing blockage, the filter element structure is convenient to detach and install, the pre-filter is convenient to use, and meanwhile, the water flow monitoring structure, the temperature monitoring structure and the water valve body structure are integrated, so that the structural process is simplified, and the product cost is reduced.
Drawings
FIG. 1 is a schematic overall view of a prefilter provided in example 1 of the present invention;
FIG. 2 is a schematic structural diagram of a water valve body assembly of a pre-filter provided in embodiment 1 of the invention;
FIG. 3 is a schematic cross-sectional view showing a first structure of a housing assembly of a pre-filter according to embodiment 1 of the present invention;
FIG. 4 is a schematic cross-sectional view showing a second construction of a housing assembly of a pre-filter according to embodiment 1 of the present invention;
fig. 5 is a schematic diagram of an exploded structure of a prefilter according to example 1 of the present invention;
fig. 6 is a schematic structural diagram of a first structure of a housing assembly of a gas water heater provided in embodiment 2 of the invention;
fig. 7 is a schematic structural diagram of a second structure of the housing assembly of the gas water heater provided in embodiment 2 of the invention.
Description of the reference numerals
1-a water valve body structure, 11-a water valve body assembly, 111-a valve body inner pipe, 1111-a first thread, 1112-a first seal ring, 112-a valve body inlet pipe, 113-a valve body outlet pipe, 1131-a first step, 1132-a second step, 1133-a mounting seat, 1134-a mounting pipe, 114-a valve body flange, 12-a water inlet pipe assembly, 121-an inlet pipe, 122-an outlet pipe, 123-a water inlet flange, 2-a filter element structure, 21-a filter element assembly, 22-a housing assembly, 221-a first internal thread, 222-a third step, 223-a rib, 224-a second internal thread, 225-a fourth step, 226-a one-way valve, 227-an external thread, 3-a water flow monitoring structure, 31-a magnetic impeller and 32-a Hall element, 4-temperature monitoring structure, 5-gas heater main part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment 1 of the invention provides a prefilter, which comprises a water valve body structure 1, a filter element structure 2, a water flow monitoring structure 3 and a temperature monitoring structure 4, as shown in fig. 1-5, wherein the filter element structure 2 is detachably mounted inside the water valve body structure 1 to filter tap water in a large area, the water flow monitoring structure 3 and the temperature monitoring structure 4 are uniformly mounted on the upper part of the water valve body structure 1, and the temperature monitoring structure is a temperature sensor.
Like this, through installing filter core structure detachably inside water valve body structure, not only can utilize large filter area's filter core structure to improve filter area, increase running water flow, prevent to block up, convenient to detach and installation filter core structure moreover, convenient to use integrates rivers monitoring structure and temperature monitoring structure and water valve body structure simultaneously, simplifies the structure technology, reduces product cost, the temperature monitoring structure is temperature sensor to be used for detecting the temperature.
The water valve body structure 1 comprises a water valve body assembly 11 and a water inlet pipe assembly 12, wherein the water inlet pipe assembly 12 is installed on one side of the water valve body assembly 11 and used for water inlet.
Thus, water is supplied to the inside of the water valve body assembly 11 through the water inlet pipe assembly 12 for the next filtering process.
The water valve body assembly 11 is a three-way shell structure, the water valve body assembly 11 comprises a valve body inner pipe 111, a valve body water inlet pipe 112, a valve body water outlet pipe 113 and a valve body flange 114, the valve body inner pipe 111 is coaxial with the valve body water outlet pipe 113, the axis of the valve body water inlet pipe 112 is perpendicular to the axis of the valve body inner pipe 111, and the valve body flange 114 is installed outside the valve body inner pipe 111.
In this way, the valve body inner pipe 111 and the valve body water outlet pipe 113 are coaxial, so that filtered water can flow out from the valve body water outlet pipe 113, the axis of the valve body water inlet pipe 112 is perpendicular to the axis of the valve body inner pipe 111, so that tap water can flow into the filter element structure 2 in the valve body inner pipe 111, the valve body flange 114 is installed on the outer side of the valve body inner pipe 111, and the valve body flange 114 is provided with a threaded hole, so that the water valve body assembly 11 can be installed on an equipment cabinet.
The outer side of the valve body inner pipe 111 is provided with a first thread 1111 for connecting the filter element structure 2 and a first sealing ring 1112 for sealing the connection part with the filter element structure 2.
In this way, the first thread 1111 is disposed on the outer side of the valve body inner tube 111 for connecting the filter element structure 2, and the first sealing ring 1112 at the connection between the outer side of the valve body inner tube 111 and the filter element structure 2 is used for sealing the connection between the valve body inner tube 111 and the filter element structure 2.
Valve body outlet pipe 113 inboard is equipped with the first step 1131 that is used for connecting filter core structure 2 and is used for installing second step 1132 of rivers monitoring structure 3, the valve body outlet pipe 113 outside is equipped with the mount pad 1133 that is used for installing rivers monitoring structure 3 and is used for installing the installation pipe 1134 of temperature monitoring structure 4, installation pipe 1134 and the inside intercommunication of valve body outlet pipe 113.
Like this, connect filter core structure 2 through first step 1131, through the magnetic impeller 31 of installation rivers monitoring structures 3 in second step 1132 installation, through the hall element 32 of installation rivers monitoring structures 3 of mount pad 1133 installation, the axis of mount pad 1133 terminal surface apart from valve body outlet pipe 113 is generally about 10.5 mm.
The water inlet pipe assembly 12 is an L-shaped hollow pipe fitting, the two ends of the water inlet pipe assembly 12 are respectively provided with a water inlet pipe 121 and a water outlet pipe 122, a water inlet flange 123 used for connecting a device shell is arranged on the outer side of the water inlet pipe 121, and the water outlet pipe 122 is communicated with the valve body water inlet pipe 112 in a sealing mode.
Thus, water is fed through the water inlet pipe 121, and water is discharged to the valve body water inlet pipe 112 through the water outlet pipe 122, the water outlet pipe 22 and the valve body water inlet pipe 112 can be preferably connected by using a snap spring so as to be detached and connected with an equipment shell through the water inlet flange 123, and meanwhile, the water inlet flange 123 and the valve body flange 114 can be arranged on the same plane so as to be connected with the equipment shell conveniently.
The filter cartridge arrangement 2 includes a filter cartridge assembly 21 and a housing assembly 22, the housing assembly 22 being mounted externally of the filter cartridge assembly 21.
Thus, the tap water is filtered over a large area by the filter cartridge assembly 21, and the filter cartridge assembly 21 is mounted and dismounted by the housing assembly 22.
The filter element assembly 21 is a cylindrical hollow housing, and the top of the filter element assembly 21 abuts against the first step 1131 for preventing internal leakage.
Thus, all the tap water entering from the water inlet pipe assembly 12 can be filtered by the filter element assembly 21 and finally discharged from the valve body outlet pipe 113.
The mesh number of the filter element component 21 is larger than 100 meshes, one or more of activated carbon, KDF and scale inhibitor are added into the filter element component 21, and when the number of the activated carbon, KDF and scale inhibitor is multiple, the mass part ratio of the activated carbon, KDF and scale inhibitor is 1:1: 1.
Thus, the mesh number of the filter element assembly 21 is larger than 100 meshes, namely, the filter element is an ultra-dense filter element, a large-area ultra-dense filter screen is used, the filtering effect is improved, the blockage can be prevented, and the large-flow water supply is realized. Meanwhile, one or more of activated carbon, KDF and scale inhibitor are added inside, and when the number of the activated carbon, KDF and scale inhibitor is multiple, the mass part ratio of the activated carbon, KDF and scale inhibitor is 1:1:1, so that the multiple filtration effect is achieved.
First structure of the housing assembly: the shell subassembly 22 is the cylindrical hollow casing that one end is opened, one end confined, the inside first internal thread 221 that is used for connecting water valve body structure 1 that is equipped with of the open end of shell subassembly 22, shell subassembly 22 inner chamber is equipped with the third step 222 that is used for supporting filter element subassembly 21, shell subassembly 22 outside is equipped with rib 223.
In this way, the water valve body structure 1 is connected through the first internal thread 221, the bottom of the filter element assembly 21 is supported through the third step 222, and the filter element assembly 21 is cleaned or replaced by manually unscrewing the housing assembly 22 through the rib 223.
Second structure of the housing assembly: shell subassembly 22 is the open cylindrical cavity casing in both ends, shell subassembly 22 is close to the one end inner chamber of filter element subassembly 21 and is equipped with the second internal thread 224 that is used for connecting water valve body structure 1 and the fourth step 225 that is used for supporting filter element subassembly 21, shell subassembly 22 keeps away from the one end inner chamber of filter element subassembly 21 and is equipped with the check valve 226 that switches on the direction and return water flow direction unanimity, the one end outside that filter element subassembly 21 was kept away from to shell subassembly 22 is equipped with external screw thread 227.
In this way, the water valve body structure 1 is connected through the second internal thread 224, the filter element assembly 21 is supported through the fourth step 225, the water flow direction is consistent with the water return flow direction through the check valve 226, and the water return joint is conveniently connected through the external thread 227.
The water valve body structure 1, the shell assembly 22 and the water inlet pipe assembly 12 can be made of plastic or corrosion-resistant metal (such as copper alloy), and preferably high-strength plastic with the wall thickness larger than 3mm meets the water pressure resistance and is lower in cost. The housing assembly 22 is preferably a transparent plastic to facilitate viewing of the cartridge assembly 2 during use.
According to the pre-filter, the filter element structure is detachably arranged in the water valve body structure, so that the filter element structure with a large filter area can be used for increasing the filter area, increasing the flow of tap water and preventing blockage, the filter element structure is convenient to detach and install and convenient to use, and meanwhile, the water flow monitoring structure and the temperature monitoring structure are integrated with the water valve body structure, so that the structural process is simplified, and the product cost is reduced.
Example 2
As shown in FIG. 6, the first structure of the casing assembly is that the casing assembly is arranged outside the casing of the water heater, so that the filter element can be conveniently checked, assembled and disassembled.
As shown in figure 7, the water return pipe of the zero-cold-water heater is of a second structure of the shell component, the installation of the water return pipe of the zero-cold-water heater can be met, and the installation space of the whole machine is saved.
According to the gas water heater, the filter element structure is detachably arranged in the water valve body structure, so that the filter element structure with a large filter area can be used for increasing the filter area, increasing the flow of tap water and preventing blockage, the filter element structure is convenient to detach and install, the gas water heater is convenient to use, and meanwhile, the water flow monitoring structure and the temperature monitoring structure are integrated with the water valve body structure, so that the structural process is simplified, and the product cost is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. The utility model provides a leading filter, its characterized in that, includes water valve body structure (1), filter core structure (2), rivers monitoring structure (3) and temperature monitoring structure (4), filter core structure (2) detachably installs water valve body structure (1) is inside in order to be used for the large tracts of land to filter the running water, rivers monitoring structure (3) and temperature monitoring structure (4) are installed on the upper portion of water valve body structure (1) with the unity, the temperature monitoring structure is temperature sensor.
2. The prefilter of claim 1 wherein said water valve body structure (1) comprises a water valve body assembly (11) and a water inlet pipe assembly (12), said water inlet pipe assembly (12) being mounted on one side of the water valve body assembly (11) for inlet of water.
3. The prefilter of claim 2 wherein said water valve body assembly (11) is a three-way shell structure, said water valve body assembly (11) comprises a valve body inner tube (111), a valve body inlet tube (112), a valve body outlet tube (113) and a valve body flange (114), said valve body inner tube (111) and said valve body outlet tube (113) are coaxial, the axis of said valve body inlet tube (112) and the axis of said valve body inner tube (111) are perpendicular to each other, said valve body flange (114) is installed outside said valve body inner tube (111).
4. A pre-filter according to claim 3, characterised in that the outer side of the valve body inner tube (111) is provided with a first thread (1111) for connecting the filter cartridge arrangement (2) and a first sealing ring (1112) for sealing the connection with the filter cartridge arrangement (2).
5. The pre-filter of claim 3, wherein a first step (1131) for connecting the filter element structure (2) and a second step (1132) for installing the water flow monitoring structure (3) are arranged on the inner side of the valve body water outlet pipe (113), a mounting seat (1133) for installing the water flow monitoring structure (3) and a mounting pipe (1134) for installing the temperature monitoring structure (4) are arranged on the outer side of the valve body water outlet pipe (113), and the mounting pipe (1134) is communicated with the interior of the valve body water outlet pipe (113).
6. The prefilter of claim 3 wherein said water inlet pipe assembly (12) is an L-shaped hollow pipe, said water inlet pipe (121) and said water outlet pipe (122) are respectively disposed at two ends of said water inlet pipe assembly (12), a water inlet flange (123) for connecting the equipment housing is disposed at the outer side of said water inlet pipe (121), and said water outlet pipe (122) is in sealed communication with said valve body water inlet pipe (112).
7. The pre-filter according to claim 5 or 6, characterised in that the water flow monitoring structure (3) comprises a magnetic impeller (31) and a Hall element (32), the magnetic impeller (31) being mounted on the second step (1132), the Hall element (32) being mounted on the mounting seat (1133).
8. The pre-filter according to claim 1, wherein the cartridge arrangement (2) comprises a cartridge assembly (21) and a housing assembly (22), the housing assembly (22) being mounted outside the cartridge assembly (21).
9. The pre-filter according to claim 8, characterised in that the cartridge assembly (21) is a cylindrical hollow shell, the top of the cartridge assembly (21) resting against the first step (1131) for preventing internal leakage.
10. The prefilter according to claim 8, wherein the number of meshes of the filter element assembly (21) is more than 100 meshes, one or more of activated carbon, KDF and scale inhibitor are added into the filter element assembly (21), and when the number of the activated carbon, KDF and scale inhibitor is multiple, the ratio of the parts by weight of the activated carbon, KDF and scale inhibitor is 1:1: 1.
11. The prefilter of claim 8 wherein said housing assembly (22) is a cylindrical hollow casing with one open end and one closed end, said open end of said housing assembly (22) having a first internal thread (221) therein for connecting to a water valve body structure (1), said housing assembly (22) having an internal cavity with a third step (222) for supporting said filter element assembly (21), said housing assembly (22) having ribs (223) thereon.
12. The prefilter of claim 8 wherein said housing assembly (22) is a cylindrical hollow casing with two open ends, an inner cavity of one end of said housing assembly (22) close to said filter element assembly (21) is provided with a second internal thread (224) for connecting said water valve body structure (1) and a fourth step (225) for supporting said filter element assembly (21), an inner cavity of one end of said housing assembly (22) far from said filter element assembly (21) is provided with a one-way valve (226) having a conducting direction consistent with a backwater flow direction, and an outer thread (227) is arranged outside one end of said housing assembly (22) far from said filter element assembly (21).
13. A gas water heater characterized in that it comprises a pre-filter according to any one of claims 1 to 9 and a gas water heater main body (5), the pre-filter being detachably mounted on the lower end face side of the gas water heater main body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109841.8A CN112275018A (en) | 2020-10-16 | 2020-10-16 | Pre-filter and gas water heater using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109841.8A CN112275018A (en) | 2020-10-16 | 2020-10-16 | Pre-filter and gas water heater using same |
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| CN112275018A true CN112275018A (en) | 2021-01-29 |
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| CN202011109841.8A Pending CN112275018A (en) | 2020-10-16 | 2020-10-16 | Pre-filter and gas water heater using same |
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| EP1139029A2 (en) * | 2000-03-31 | 2001-10-04 | Robert Bosch Gmbh | Heating installation with heat generator, controller and two circuit heat exchanger |
| CN207928805U (en) * | 2018-01-10 | 2018-10-02 | 陈英傲 | A kind of automatic leak-proof tap water fore filter |
| CN110787509A (en) * | 2019-11-25 | 2020-02-14 | 广东屋联智能科技有限公司 | Pre-filter equipment and pollution discharge method thereof |
| CN111238026A (en) * | 2020-02-28 | 2020-06-05 | 华帝股份有限公司 | Multi-stage water purification integrated device, zero-cold-water gas water heater and control method thereof |
-
2020
- 2020-10-16 CN CN202011109841.8A patent/CN112275018A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1139029A2 (en) * | 2000-03-31 | 2001-10-04 | Robert Bosch Gmbh | Heating installation with heat generator, controller and two circuit heat exchanger |
| CN207928805U (en) * | 2018-01-10 | 2018-10-02 | 陈英傲 | A kind of automatic leak-proof tap water fore filter |
| CN110787509A (en) * | 2019-11-25 | 2020-02-14 | 广东屋联智能科技有限公司 | Pre-filter equipment and pollution discharge method thereof |
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