CN211575520U - Electric water heater with water inlet flow guide pipe - Google Patents

Electric water heater with water inlet flow guide pipe Download PDF

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Publication number
CN211575520U
CN211575520U CN201922012611.9U CN201922012611U CN211575520U CN 211575520 U CN211575520 U CN 211575520U CN 201922012611 U CN201922012611 U CN 201922012611U CN 211575520 U CN211575520 U CN 211575520U
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water
guide pipe
water inlet
pipe
liner
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CN201922012611.9U
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Chinese (zh)
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楚旭
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Foshan Yuanshangquan Electrical Appliance Co ltd
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Foshan Yuanshangquan Electrical Appliance Co ltd
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Abstract

The utility model provides an electric water heater with a water inlet flow guide pipe, which comprises a water storage liner, a water inlet flow guide pipe and a preheating electric heating pipe; the preheating electric heating pipe is arranged in the water storage liner; the bottom end of the water storage liner is provided with a liner water inlet and a liner water outlet, and is respectively provided with a liner water inlet connector and a liner water outlet connector; particularly, the water inlet guide pipe is provided with a water inlet waterway and a water outlet waterway which are communicated in sequence; the water inlet guide pipe is provided with a connecting port at the front end of the inlet water path and is connected with the water inlet joint of the inner container, the inlet water path extends to the position near the top end of the water storage inner container from the tail end of the water path, the outlet water path extends to the position near the bottom end of the water storage inner container from the tail end of the water path, the inlet water guide pipe is provided with a water supply port at the tail end of the outlet water path, and the inlet water guide pipe is provided with an exhaust hole near the top end. The utility model discloses can effectively stop because of the dry combustion method problem that the cutting off water causes, improve electric water heater safety in utilization and reduce the service failure.

Description

Electric water heater with water inlet flow guide pipe
Technical Field
The utility model relates to an electric water heater specifically is an electric water heater with water storage inner bag.
Background
Referring to fig. 1, a conventional electric water heater with a water storage liner includes a water storage liner 1 and a preheating electric heating tube 2' disposed in the water storage liner 1; the bottom end of the water storage liner 1 is provided with a liner water inlet and a liner water outlet, and is respectively provided with a liner water inlet joint 11 and a liner water outlet joint 12, the water storage liner 1 is internally provided with a liner water inlet pipe 3 'of which the end is connected with the liner water inlet joint 11 and a liner water outlet pipe 4' of which the end is connected with the liner water outlet joint 12, the liner water inlet pipe 3 'enables cold water (usually tap water) to be fed from the bottom end in the water storage liner 1, the liner water outlet pipe 4' enables hot water to be output from the top end in the water storage liner 1, hot water disturbance of the injected cold water to the water storage liner 1 is avoided as much as possible, and the preferential output of the hot water is effectively. In addition, a pressure release valve (not shown) is usually installed on the water inlet pipe 5' of the water heater, and when the pressure in the water storage liner 2 rises and the pressure difference between the water storage liner and the tap water pipe reaches a preset value for opening the pressure release valve, the pressure release valve is automatically opened to release the pressure in the tap water pipe, so that the water heater is used for safety protection during dry heating.
The electric water heater has a potential safety hazard in the use process. Because the electric water heater usually needs to be electrified in advance to preheat water in the water storage liner 1, the preheating time is long, once water is cut off in the preheating process, the pressure in the tap water pipe can be gradually reduced, when the pressure difference between the water storage liner 2 and the tap water pipe reaches the preset value for opening the pressure release valve, the pressure release valve is automatically opened, the problem of balancing the pressure difference between the inside and the outside of the water storage liner 2 is solved by starting from the water body → the liner water inlet pipe 3 ' → the water heater water inlet pipe 5 ' → the tap water pipe (not shown in the figure), however, the water level in the water storage liner 1 is reduced, and the electric water heater can be dried when the water level is lower than the height of the preheating electric heating pipe 2 '. Therefore, the existing electric water heater has great potential safety hazard, and the dry burning caused by water cut-off is further avoided on the basis of ensuring the safe use of the electric water heater, so that the use safety of the electric water heater is effectively improved, and the use faults are reduced.
Disclosure of Invention
The utility model aims at providing an electric water heater with honeycomb duct of intaking, it has simple structure, easily makes and assembles convenient characteristics, can effectively stop because of the dry combustion method problem that the outage causes, improves electric water heater safety in utilization and reduces the service failure.
The utility model discloses a following technical scheme of purpose accessible realizes:
an electric water heater with a water inlet flow guide pipe comprises a water storage inner container, a water inlet flow guide pipe and a preheating electric heating pipe; the preheating electric heating pipe is arranged in the water storage liner, and an electrode end of the preheating electric heating pipe penetrates out of the water storage liner; the bottom end of the water storage liner is provided with a liner water inlet and a liner water outlet, and is respectively provided with a liner water inlet connector and a liner water outlet connector, and the water inlet guide pipe is arranged in the water storage liner and is communicated with the liner water inlet connector.
The water inlet guide pipe is provided with a water inlet waterway and a water outlet waterway which are communicated in sequence. The water inlet guide pipe is provided with a connecting port at the front end of the inlet water path and is connected with the water inlet joint of the inner container, the inlet water path extends to the position near the top end of the water storage inner container from the tail end of the water path, the outlet water path extends to the position near the bottom end of the water storage inner container from the tail end of the water path, the inlet water guide pipe is provided with a water supply port at the tail end of the outlet water path, and the inlet water guide pipe is provided with an exhaust hole near the top end.
The utility model provides a honeycomb duct of intaking can be that one end has connector, the confined U-shaped honeycomb duct of other end, and near middle part of U-shaped honeycomb duct has the exhaust hole, has the supply port of a plurality of hole shape structures on the blind end of U-shaped honeycomb duct or near blind end's the lateral wall, makes to form in proper order by connector end to blind end in the U-shaped honeycomb duct advance to the water route and go out to the water route. Furthermore, the closed end of the U-shaped guide pipe is gradually close to the connecting port.
The water inlet flow guide pipe in the utility model can also be a double-layer flow guide pipe which is provided with an inner pipe part and an outer pipe part; the outer pipe part is of a tubular structure with an end plate at one end and a closed end at the other end, the middle part of the end plate is provided with a sleeving hole, the side wall near the end plate of the outer pipe is provided with a plurality of water supply ports with hole-shaped structures, and the closed end or the side wall near the closed end is provided with an exhaust hole; the inner pipe part is of a tubular structure, one end of the inner pipe part is provided with a connecting port, the other end of the inner pipe part is provided with a communicating port, the inner pipe part is coaxially inserted into the outer pipe part through a sleeving hole of the outer pipe part, the connecting port end of the inner pipe part is connected to an end plate of the outer pipe part or penetrates out through the sleeving hole of the outer pipe part, the communicating port end of the inner pipe part extends to the position near the closed end of the outer pipe part, a water inlet flow path of the water inlet flow guide pipe is formed in the inner pipe part, and a water outlet.
Further optimize the scheme, the utility model discloses well water storage inner bag have bilateral symmetry arrange, and connect the first inner bag portion and the second inner bag portion of switch-on, the bottom of first inner bag portion and second inner bag portion is equipped with first mount pad and second mount pad respectively, on inner bag water inlet and inner bag water connector located first mount pad, intake the honeycomb duct and install in the first inner bag portion of water storage inner bag, on inner bag delivery port and inner bag water connector located the second mount pad, preheat the electrothermal tube and pass through the second mount pad and install in the second inner bag portion of water storage inner bag.
Still further optimize the scheme, the utility model discloses still including the play water honeycomb duct in the second inner bag portion of locating the water storage inner bag, go out near the top that the front end of water honeycomb duct was connected logical inner bag and is gone out water swivel, end and extend to second inner bag portion.
Still further optimize the scheme, the utility model discloses still including locating the outer cast aluminium electric heater of water storage inner bag, cast aluminium electric heater including cast aluminium heat transfer body and wear out the heat transfer body inlet tube and the heat transfer body outlet pipe of cast aluminium heat transfer body, the heat transfer body inlet tube loops through out water honeycomb duct with inner bag water connector connection.
Further optimize the scheme, the utility model discloses still including the constant temperature outlet valve, the constant temperature outlet valve has into cold water end, advances hot water end and constant temperature outlet end, it has the water heater inlet tube to advance hot water end and connect the heat exchanger body outlet pipe that leads to the cast-aluminum electric heater through the connecting pipe, advance cold water end and connect on even through the water injection pipe and lead to, and the inner bag water supply connector of water storage inner bag also connects logical water heater inlet tube, and constant temperature outlet end connects to lead to there is the water heater outlet pipe.
The utility model has the following substantive characteristics and progress:
1. the utility model provides a honeycomb duct of intaking has firstly ensured that water storage inner bag interior running water is intake by the position of keeping away from preheating the electrothermal tube, secondly realize the purpose of the inside and outside pressure of the balanced water storage inner bag of exhaust through the exhaust hole of honeycomb duct of intaking when cutting off the water, the exhaust hole specifically can set up in the optional position near lateral wall in U-shaped honeycomb duct middle part, or on the blind end of double-deck honeycomb duct outer tube portion or near blind end's the lateral wall, wherein with the top of being close to water storage inner bag 1 more, and keep away from the top of preheating the electrothermal tube more well, can exhaust with balanced inside and outside pressure after the water level reduces a little in water storage inner bag 1, effectively reduce water storage inner bag internal water body refluence, the potential safety hazard of having stopped arousing electric water heater dry combustion method because of.
2. The utility model discloses an electric water heater further can also run preheating, instant heating and preheating intelligent mode, has compact structure, installation characteristics unrestricted, convenient to use and easy operation concurrently, can effectively improve the heat transfer effect, ensure the high-efficient stable output of hot water, improve the comfort level that the user used.
Drawings
FIG. 1 is a schematic structural diagram of an existing electric water heater
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is another schematic structural diagram of the present invention.
Fig. 4 is a schematic structural view of the double-layer draft tube in the structure of fig. 2.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1
Referring to fig. 2, an electric water heater with a water inlet flow guide pipe comprises a water storage liner 1, a water inlet flow guide pipe, a preheating electric heating pipe 3, a water outlet flow guide pipe 5, a cast aluminum electric heater and a constant temperature water outlet valve 7.
The water storage inner container 1 is provided with a first inner container part 13 and a second inner container part 14 which are arranged in a bilateral symmetry mode and are communicated, and the bottom ends of the first inner container part 13 and the second inner container part 14 are respectively provided with a first mounting seat 131 and a second mounting seat 141. The first mounting seat 131 is provided with a liner water inlet and a liner water inlet connector 11. The second mounting seat 141 is provided with a liner water outlet and a liner water outlet connector 12.
The preheating electric heating tube 3 is installed in the second inner container part 14 of the water storage inner container 1 through the second installation seat 141, and the electrode end 31 of the preheating electric heating tube 3 penetrates out of the water storage inner container.
The water inlet guide pipe is a U-shaped guide pipe 2 with one end provided with a connector and the other end closed, and the closed end of the U-shaped guide pipe 2 is gradually close to the connector. The U-shaped draft tube 2 has an exhaust hole 24 near the middle and a plurality of water supply ports 23 of hole-shaped structure on the side wall near the closed end.
The U-shaped flow guide pipe 2 is arranged in a first inner container part 13 of the water storage inner container 1, and a connecting port of the U-shaped flow guide pipe is connected with the inner container water inlet joint 11, the middle part of the U-shaped flow guide pipe is close to the top end of the water storage inner container 1, and the closed end of the U-shaped flow guide pipe is close to the bottom end of the water storage inner. An inflow waterway 21 and an outflow waterway 22 are sequentially formed from the connecting end to the closed end in the U-shaped draft tube 2, the tail end of the inflow waterway 21 extends to the position near the top end of the water storage inner container 1, the tail end of the outflow waterway 22 extends to the position near the bottom end of the water storage inner container 1, and meanwhile, the exhaust hole 24 is close to the position near the top end of the water storage inner container 1.
The water outlet guide pipe 5 is arranged in the second inner container part 14 of the water storage inner container 1, the front end of the water outlet guide pipe 5 is connected with the inner container water outlet joint 12, and the tail end of the water outlet guide pipe extends to the position near the top end of the second inner container part 14.
The cast aluminum electric heater is arranged outside the water storage inner container 1 and comprises a cast aluminum heat exchange body 6, a heat exchange body water inlet pipe 61 and a heat exchange body water outlet pipe 62, wherein the heat exchange body water inlet pipe 61 penetrates out of the cast aluminum heat exchange body 6, and the heat exchange body water inlet pipe 61 is connected with the water outlet flow guide pipe 5 through the water outlet communicating pipe 63 and the inner container water outlet connector 12 in sequence.
The constant-temperature water outlet valve 7 is provided with a cold water inlet end, a hot water inlet end and a constant-temperature water outlet end. The hot water inlet end of the water storage liner 1 is connected with a heat exchange body water outlet pipe 62 communicated with a cast aluminum electric heater through a connecting pipe 71, the cold water inlet end of the water storage liner is connected with a water inlet pipe 8 of the water heater through a water injection pipe 72, a liner water inlet joint 11 of the water storage liner is also connected with the water inlet pipe 8 of the water heater, and the constant temperature water outlet end is connected with a water outlet pipe 9 of the water heater.
In this embodiment, when the water storage tank 1 is filled with water, the tap water is poured into the water storage tank 1 through the water inlet pipe 8 of the water heater → the water inlet joint 11 of the tank → the U-shaped flow guide pipe 2, along the water inlet path 21 and the water outlet path 22 in the U-shaped flow guide pipe 2, and through the water supply port 23 at the end of the water outlet path 22. The U-shaped flow guide pipe 2 ensures that tap water in the water storage liner 1 enters from a position far away from the preheating electric heating pipe 3 and is limited by the aperture of the exhaust hole 24 of the U-shaped flow guide pipe 2, the inner diameter of the exhaust hole 24 is 1.5mm +/-0.2 mm, and water cannot flow through the exhaust hole 24 under normal water injection pressure.
When the water storage liner 1 is fully preheated, once tap water is stopped, the pressure in the tap water pipe is gradually reduced until the pressure difference between the tap water pipe and the water storage liner 2 reaches a preset value of opening the pressure release valve, the pressure release valve (not shown) on the water inlet pipe 8 of the water heater is automatically opened, so that the water body in the water storage liner 1 → the liner water inlet pipe 3 → the water inlet pipe 5 of the water heater → the tap water pipe (not shown), when the water level is reduced until the exhaust hole 24 of the U-shaped flow guide pipe 2 is exposed out of the water surface, the gas on the top in the water storage liner 1 → the exhaust hole 24 of the U-shaped flow guide pipe 2 → the water inlet pipe 8 of the water heater → the tap water pipe, and in addition, because the gas per se flows more easily than water and leaks out of the container, the gas on the top in the water storage liner 1 is preferentially discharged all the, the technical problem of internal and external pressure unbalance of the water storage liner 1 caused by water cut-off is solved, and the serious backflow of the water in the water storage liner 1 is effectively avoided. Once water is cut off, the water level of the water storage liner 1 can be maintained near the exhaust hole 24 of the U-shaped flow guide pipe 2 and always submerges the preheating electric heating pipe 3, so that the preheating electric heating pipe 3 can not be dried, and the technical problem of dry heating of the preheating electric heating pipe 3 caused by water cut off is effectively solved.
Example 2
Referring to fig. 3 and 4, the electric water heater provided with the water inlet flow guide pipe of the present embodiment is different from embodiment 1 in that: the water inlet flow guide pipe in the embodiment is a double-layer flow guide pipe 4.
The double-layered draft tube 4 has an inner tube portion 41 and an outer tube portion 42. The outer tube part 42 has a tubular structure with an end plate 421 at one end and a closed end at the other end, the middle part of the end plate 421 has a socket hole, the side wall near the end plate 421 of the outer tube part 42 has a plurality of water supply ports 23 with hole-shaped structures, and the side wall near the closed end has an exhaust hole 24. The inner pipe portion 41 has a tubular structure having a connection port 411 at one end and a communication port 412 at the other end, the inner pipe portion 41 is coaxially inserted into the outer pipe portion 42 through the sleeve hole of the outer pipe portion 42, the connection port 411 end is connected to the end plate 421 of the outer pipe portion 42, and the communication port 412 end of the inner pipe portion 41 extends to the vicinity of the closed end of the outer pipe portion 42.
The double-layer flow guide pipe 4 is arranged in the first inner container part 13 of the water storage inner container 1, the connecting port 411 of the inner pipe part 41 is connected with the inner container water inlet joint 11, the end plate 421 of the outer pipe part 42 is close to the bottom end of the water storage inner container 1, and the closed end is close to the top end of the water storage inner container 1. In the double-layer draft tube 4, a water inlet path 21 of a water inlet draft tube is formed in the inner tube part 41, and a water outlet path 22 of the water inlet draft tube is formed between the inner tube part 41 and the outer tube part 42, the tail end of the water inlet path 21 extends to the vicinity of the top end of the water storage inner container 1, the tail end of the water outlet path 22 extends to the vicinity of the bottom end of the water storage inner container 1, and the exhaust hole 24 is close to the vicinity of the top end of the water storage inner container 1.
The other structures in this embodiment are the same as those in embodiment 1.
In this embodiment, when the water storage tank 1 is filled with tap water, tap water is poured into the water storage tank 1 through the water inlet pipe 8 of the water heater → the tank water inlet joint 11 → the double layer flow guide pipe 4, and along the water inlet path 21 and the water outlet path 22 in the double layer flow guide pipe 4, and through the water supply port 23 at the end of the water outlet path 22. The double-layer flow guide pipe 4 ensures that tap water in the water storage liner 1 enters from a position far away from the preheating electric heating pipe 3 and is limited by the aperture of the exhaust hole 24 of the double-layer flow guide pipe 4, the inner diameter of the exhaust hole 24 is 1.5mm +/-0.2 mm, and water cannot flow through the exhaust hole 24 under normal water injection pressure.
When the water storage liner 1 is fully preheated, once tap water is stopped, the pressure in the tap water pipe is gradually reduced until the pressure difference between the tap water pipe and the water storage liner 2 reaches the preset value of opening the pressure release valve, the pressure release valve (not shown) on the water inlet pipe 8 of the water heater is automatically opened, so that the water body in the water storage liner 1 → the liner water inlet pipe 3 → the water inlet pipe 5 of the water heater → the tap water pipe (not shown), when the water level is reduced to the state that the air vent 24 of the double-layer flow guide pipe 4 is exposed out of the water surface, the gas at the top in the water storage liner 1 → the air vent 24 of the double-layer flow guide pipe 4 → the water inlet pipe 8 of the water heater → the tap water pipe, and in addition, the gas at the top in the water storage liner 1 is preferentially discharged all the time, and finally the function of balancing the pressure difference between, the technical problem of internal and external pressure unbalance of the water storage liner 1 caused by water cut-off is solved, and the serious backflow of the water in the water storage liner 1 is effectively avoided. Once water is cut off, the water level of the water storage liner 1 can be maintained near the exhaust holes 24 of the double-layer flow guide pipe 4 and always submerges the preheating electric heating pipe 3, so that the preheating electric heating pipe 3 can not be dried, and the technical problem of dry heating of the preheating electric heating pipe 3 caused by water cut off is effectively solved.

Claims (8)

1. An electric water heater provided with a water inlet flow guide pipe comprises a water storage inner container (1), a water inlet flow guide pipe and a preheating electric heating pipe (3); the preheating electric heating pipe (3) is arranged in the water storage liner (1), and an electrode end (31) of the preheating electric heating pipe (3) penetrates out of the water storage liner; the bottom of water storage inner bag (1) has inner bag water inlet and inner bag delivery port and is equipped with inner bag water supply connector (11) and inner bag water connectors (12) respectively, water inlet honeycomb duct locates in water storage inner bag (1) and links up inner bag water supply connector (11), its characterized in that:
the water inlet guide pipe is provided with a water inlet channel (21) and a water outlet channel (22) which are communicated in sequence;
the front end of the water inlet guide pipe positioned in the water inlet path (21) is provided with a connecting port and is connected with a water inlet joint (11) of the inner container, the tail end of the water inlet path (21) extends to the position near the top end of the water storage inner container (1), the tail end of the water outlet path (22) extends to the position near the bottom end of the water storage inner container (1), the tail end of the water outlet path (22) positioned on the water inlet guide pipe is provided with a water supply port (23), and the position near the top end of the water storage inner container (1) on the water inlet guide pipe is provided with an exhaust hole (.
2. The electric water heater provided with the water inlet flow guide pipe according to claim 1, wherein: the water inlet guide pipe is a U-shaped guide pipe (2) with one end provided with a connecting port and the other end closed, an exhaust hole (24) is formed near the middle part of the U-shaped guide pipe (2), and a plurality of hole-shaped water supply ports (23) are formed on the closed end of the U-shaped guide pipe (2) or the side wall near the closed end, so that the water inlet guide pipe (2) is internally provided with a water inlet channel (21) and a water outlet channel (22) which are sequentially formed from the connecting port to the closed end.
3. The electric water heater provided with the water inlet flow guide pipe according to claim 2, wherein: the closed end of the U-shaped draft tube (2) is gradually close to the connecting port.
4. The electric water heater provided with the water inlet flow guide pipe according to claim 1, wherein: the water inlet flow guide pipe is a double-layer flow guide pipe (4), and the double-layer flow guide pipe (4) is provided with an inner pipe part (41) and an outer pipe part (42); the outer pipe part (42) is of a tubular structure with an end plate (421) at one end and a closed other end, the middle part of the end plate (421) is provided with a sleeving hole, the side wall near the end plate (421) of the outer pipe part (42) is provided with a plurality of water supply ports (23) with hole-shaped structures, and the closed end or the side wall near the closed end is provided with an exhaust hole (24); the inner pipe part (41) is of a tubular structure, one end of the inner pipe part is provided with a connecting port (411), the other end of the inner pipe part is provided with a communicating port (412), the inner pipe part (41) is coaxially inserted into the outer pipe part (42) through a sleeve hole of the outer pipe part (42), the end of the connecting port (411) is connected to an end plate (421) of the outer pipe part (42) or penetrates out through the sleeve hole of the outer pipe part (42), the end of the communicating port (412) of the inner pipe part (41) extends to the position near the closed end of the outer pipe part (42), and a water inlet channel (21) of a water inlet guide pipe is formed in the inner pipe part (41), and a water outlet channel (22) of the water inlet guide pipe is formed between.
5. The electric water heater provided with the water inlet flow guide pipe according to claim 1, 2, 3 or 4, characterized in that: the water storage liner (1) is provided with a first liner portion (13) and a second liner portion (14) which are arranged in a bilateral symmetry mode and are connected, the bottom ends of the first liner portion (13) and the second liner portion (14) are respectively provided with a first mounting seat (131) and a second mounting seat (141), a liner water inlet and a liner water inlet connector (11) are arranged on the first mounting seat (131), a water inlet guide pipe is arranged in the first liner portion (13) of the water storage liner (1), a liner water outlet and a liner water outlet connector (12) are arranged on the second mounting seat (141), and the preheating electric heating pipe (3) is arranged in the second liner portion (14) of the water storage liner (1) through the second mounting seat (141).
6. The electric water heater provided with the water inlet flow guide pipe according to claim 5, wherein: the water storage inner container is characterized by further comprising a water outlet guide pipe (5) arranged in a second inner container part (14) of the water storage inner container (1), wherein the front end of the water outlet guide pipe (5) is connected with a water outlet joint (12) of the inner container, and the tail end of the water outlet guide pipe extends to the position close to the top end of the second inner container part (14).
7. The electric water heater with the water inlet flow guide pipe as claimed in claim 6, wherein: still including locating the outer cast aluminium electric heater of water storage inner bag (1), cast aluminium electric heater including cast aluminium heat transfer body (6) and wear out heat transfer body inlet tube (61) and the heat transfer body outlet pipe (62) of cast aluminium heat transfer body (6), heat transfer body inlet tube (61) loop through out water communicating pipe (63) and inner bag water connectors (12) and connect and lead to water honeycomb duct (5).
8. The electric water heater provided with the water inlet flow guide pipe according to claim 7, wherein: still including constant temperature outlet valve (7), constant temperature outlet valve (7) have into cold water end, advance hot water end and constant temperature outlet end, advance hot water end and connect through cast aluminium electric heater's heat exchanger body outlet pipe (62), advance cold water end and connect on water injection pipe (72) and lead to through water heater inlet tube (8) through connecting pipe (71), the inner bag water supply connector (11) of water storage inner bag (1) also connect and lead to water heater inlet tube (8), and constant temperature outlet end connects and leads to there is water heater outlet pipe (9).
CN201922012611.9U 2019-11-20 2019-11-20 Electric water heater with water inlet flow guide pipe Active CN211575520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922012611.9U CN211575520U (en) 2019-11-20 2019-11-20 Electric water heater with water inlet flow guide pipe

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Application Number Priority Date Filing Date Title
CN201922012611.9U CN211575520U (en) 2019-11-20 2019-11-20 Electric water heater with water inlet flow guide pipe

Publications (1)

Publication Number Publication Date
CN211575520U true CN211575520U (en) 2020-09-25

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CN201922012611.9U Active CN211575520U (en) 2019-11-20 2019-11-20 Electric water heater with water inlet flow guide pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110686401A (en) * 2019-11-20 2020-01-14 佛山市圆上泉电器有限公司 Electric water heater with water inlet flow guide pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110686401A (en) * 2019-11-20 2020-01-14 佛山市圆上泉电器有限公司 Electric water heater with water inlet flow guide pipe
CN110686401B (en) * 2019-11-20 2024-07-19 佛山市圆上泉电器有限公司 Electric water heater with water inlet flow guide pipe

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