CN211204390U

CN211204390U - High-safety electric water heater

Info

Publication number: CN211204390U
Application number: CN201920738940.9U
Authority: CN
Inventors: 方建英
Original assignee: Zhongshan Chongde Electrical Co ltd
Current assignee: Zhongshan Chongde Electrical Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-08-07
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a high security electric water heater mainly includes bottom plate, the differential switch subassembly of intaking, tee bend subassembly and water pressure power-off protection subassembly, bottom plate front side right part fixed mounting has the power connection terminal, bottom plate front end upper portion fixed mounting has the upper cover, and upper cover bottom fixed mounting has the main part, the upper cover bottom is located the inside fixed mounting of main part and has the heating group, main part bottom fixed mounting has the lower cover, main part front side middle part fixed mounting has the dry combustion method protector, lower cover bottom left part connects soon installs the inlet tube, and inlet tube upper portion lateral wall connects soon installs ground connection copper spare, inlet tube right side middle part fixed mounting has the pressure release pipe, lower cover bottom right part connects soon installs tee bend subassembly, and tee bend subassembly mainly includes three way connection, spring thimble post and lid cover. The control structure of the heater adopts a mechanical control circuit and a water path, so that the failure rate is reduced; the device has the functions of power failure and pressure relief, and is perfect in safety guarantee and convenient to use.

Description

High-safety electric water heater

Technical Field

The utility model relates to an electric water heater specifically is a high security electric water heater.

Background

The high-safety electric water heater is a device which can raise the temperature of cold water into hot water in a certain time by various physical principles. According to different principles, the water heater can be divided into a high-safety electric water heater, a gas water heater, a solar water heater, a water heater, an air energy water heater, a heating water heater and the like. Along with the increasing living standard of people, the comfort requirement of people on family life is higher and higher. The accompanying various electric products facilitate human life and occupy a small space. Therefore, more and more multifunctional electric appliances enter the lives of people. Wall-hanging stoves have also undergone different generations of development.

The control structure of the existing heater is mostly finished by adopting a pure intelligent circuit board, and control faults are easy to occur; the existing device has poor heating efficiency, does not have power-off and pressure relief functions, has insufficient safety guarantee and is inconvenient to use.

Disclosure of Invention

An object of the utility model is to provide a high security electric water heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-safety electric water heater mainly comprises a bottom plate, a water inlet differential pressure switch component, a three-way component and a water pressure overpressure power-off protection component, wherein a power-on terminal is fixedly installed at the right part of the front side of the bottom plate, an upper cover is fixedly installed at the upper part of the front end of the bottom plate, a main body is fixedly installed at the bottom end of the upper cover, a heating group is fixedly installed at the bottom end of the upper cover, which is positioned inside the main body, a lower cover is fixedly installed at the bottom end of the main body, a dry combustion protector is fixedly installed at the middle part of the front side of the main body, a water inlet pipe is screwed at the left part of the bottom end of the lower cover, a grounding copper part is screwed at the side wall of the upper part of the water inlet pipe, a pressure relief pipe is fixedly installed at the middle part of the right side of the water inlet pipe, the three-way component is screwed at the right, the hydraulic breaker is characterized in that a cover sleeve is inserted and installed on the right side of the spring thimble column inside the right side of the three-way joint, a spring matched with the cover sleeve is installed on the right side of the three-way joint in a clamped mode, a through hole matched with the spring thimble column is formed in the middle of the cover sleeve, a hydraulic power-off protection assembly is fixedly installed on the right end of the three-way joint through a bolt and mainly comprises a breaker bottom shell, a bridge plate, a button, a breaker upper cover, a first copper sheet, a second copper sheet and a center column, the breaker upper cover is fixedly installed on the right side of the breaker bottom shell, the button is slidably installed in the middle of the inner side of the breaker bottom shell, the top end of the button is in press contact with the second copper sheet, a reset spring is fixedly installed on the top end of the second copper sheet, the top end of the reset spring is in close contact with, fixed mounting has the rebound spring between bridge plate right side lower part lateral wall and the breaker drain pan left side wall, bridge plate upper portion slidable mounting has the center pillar, breaker drain pan left side wall seted up with center pillar complex through-hole, button left side wall middle part seted up with center pillar complex slot, the center pillar right-hand member is installed at the button left end via the slot grafting, first copper sheet bottom lateral wall and second copper sheet top lateral wall in close contact with, three way connection bottom fixed mounting has the differential switch subassembly of intaking, bottom plate front side fixed mounting has the apron, laps right side lower part and assembles and installs the knob subassembly.

As a further aspect of the present invention: the differential switch subassembly of intaking mainly includes water valve base, water valve upper cover, fixing base, first micro-gap switch, silica gel shell fragment and water valve top dish, water valve base top and three way connection fixed connection, water valve base right side fixed mounting has the water valve upper cover, and the silica gel shell fragment is installed in the crimping between water valve upper cover left side wall and the water valve base right side wall, and silica gel shell fragment right-hand member extends to the water valve upper cover right part outside, silica gel shell fragment right-hand member fixed mounting has the water valve top dish, and the outside cover in water valve top dish right side is established and is installed the top dish spring, water valve upper cover right-hand member fixed mounting has the fixing base, and the inside fixed mounting in fixing base right side has micro-gap switch, water.

As a further aspect of the present invention: the side wall of the bottom end of the cover plate and the side wall of the bottom end of the bottom plate are provided with openings matched with the water inlet pipe and the water valve base.

As a further aspect of the present invention: the right part of the inner side of the water inlet pipe is provided with a mechanical pressure limiting valve, and the pressure relief pipe is sleeved at an outlet of the mechanical pressure limiting valve.

As a further aspect of the present invention: the power connection terminal is electrically connected with the micro switch, the grounding copper piece, the heating group, the first copper sheet, the second copper sheet and the dry burning protector, the power connection terminal is electrically connected with an external power supply, and the dry burning protector is a KSD301-R type temperature control switch.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structure design, and the control structure of the heater adopts a mechanical control circuit and a water path, thereby reducing the failure rate; the device has the functions of power failure and pressure relief, and is powered off by super water pressure, perfect in safety guarantee and convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a high-safety electric water heater.

Fig. 2 is an exploded view of a high safety electric water heater.

Fig. 3 is an exploded view of a heating body in a high safety electric water heater.

Fig. 4 is an explosion diagram of a water inlet pipe, a pressure relief pipe and a grounding copper piece in the high-safety electric water heater.

Fig. 5 is an exploded view of a water inlet differential pressure switch assembly in a high safety electric water heater.

Fig. 6 is an exploded view of a tee assembly in a high safety electric water heater.

Fig. 7 is an exploded view of a water pressure power-off protection component in a high safety electric water heater.

In the figure: the water valve heating device comprises a bottom plate 1, a cover plate 2, a knob component 3, a water inlet pipe 4, a water valve base 5, a wiring terminal 6, an interrupter bottom shell 7, a three-way joint 8, a lower cover 9, a main body 10, a dry burning protector 11, an upper cover 12, a pressure relief pipe 13, a water valve upper cover 14, a fixed seat 15, a micro switch 16, a heating group 17, a grounding copper piece 18, a silica gel elastic piece 19, a water valve top disc 20, an inserting spring 21, a spring top needle column 22, a cover sleeve 23, a bridge plate 24, a button 25, an interrupter upper cover 26, a first copper sheet 27, a second copper sheet 28, a center column 29 and a reset spring 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-7, in an embodiment of the present invention, an electric water heater with high safety mainly includes a bottom plate 1, a water inlet differential pressure switch assembly, a three-way assembly and a water pressure overpressure power-off protection assembly, a power-on terminal 6 is fixedly installed at the right front side of the bottom plate 1, an upper cover 12 is fixedly installed at the upper front end of the bottom plate 1, a main body 10 is fixedly installed at the bottom end of the upper cover 12, a heating unit 17 is fixedly installed inside the main body 10 at the bottom end of the upper cover 12, a lower cover 9 is fixedly installed at the bottom end of the main body 10, a dry combustion protector 11 is fixedly installed at the middle part of the front side of the main body 10, a water inlet pipe 4 is rotatably installed at the left bottom end of the lower cover 9, a grounding copper member 18 is rotatably installed at the upper side wall of the water inlet pipe 4, a pressure relief pipe 13 is fixedly installed at the, The hydraulic circuit breaker comprises a spring thimble column 22 and a cover sleeve 23, the top end of a tee joint 8 and a lower cover 9 are installed in a screwed connection mode, the spring thimble column 22 is installed in the right side of the tee joint 8 in an inserted connection mode, the cover sleeve 23 is installed in the right side of the spring thimble column 22 in an inserted connection mode, an inserting spring 21 matched with the cover sleeve 23 is installed on the right side of the tee joint 8 in a clamped mode, a through hole matched with the spring thimble column 22 is formed in the middle of the cover sleeve 23, a hydraulic circuit breaker protection assembly is fixedly installed at the right end of the tee joint 8 through a bolt and mainly comprises a breaker bottom shell 7, a bridge plate 24, a button 25, a breaker upper cover 26, a first copper sheet 27, a second copper sheet 28 and a center column 29, the breaker upper cover 26 is fixedly installed on the right side of the breaker bottom shell 7, the button 25 is slidably installed in the middle of the inner side of the breaker bottom shell 7, a reset spring 30 is fixedly mounted at the top end of the second copper sheet 28, the top end of the reset spring 30 is in close contact with the inner wall of the top end of the bottom case 7 of the circuit breaker, first copper sheets 27 which are symmetrically arranged are fixedly mounted at the upper part of the inner side of the bottom case 7 of the circuit breaker, a bridge plate 24 is rotatably mounted at the left side of the bottom case 7 of the circuit breaker, a rebound spring is fixedly mounted between the side wall of the lower part of the right side of the bridge plate 24 and the left side wall of the bottom case 7 of the circuit breaker, a center pillar 29 is slidably mounted at the upper part of the bridge plate 24, a through hole matched with the center pillar 29 is formed in the left side wall of the button 25, a slot matched with the center pillar 29 is formed in the middle part of the left side wall of the button 25, the side wall of the bottom end of the first copper sheet 27 is in close contact, the right lower part of the cover plate 2 is provided with a knob component 3.

The differential switch subassembly of intaking mainly includes water valve base 5, water valve upper cover 14, fixing base 15, first micro-gap switch 16, silica gel shell fragment 19 and water

valve top dish

20, 5 top and three way connection 8 fixed connection of water valve base, 5 right sides fixed mounting of water valve base have water valve upper cover 14, and silica gel shell fragment 19 is installed to the crimping between 14 left side walls of water valve upper cover and the 5 right side walls of water valve base, and silica gel shell fragment 19 right-hand member extends to the 14 right part outsides of water valve upper cover, 19 right-hand members fixed mounting of silica gel shell fragment has water valve top dish 20, and the top dish spring is established and is installed to the outside cover in water valve top dish 20 right side, 14 right-hand members fixed mounting of water valve upper cover has fixing base 15, and the inside fixed mounting in the fixing base 15 right side has micro-gap switch 16.

The side wall of the bottom end of the cover plate 2 and the side wall of the bottom end of the bottom plate 1 are provided with openings matched with the water inlet pipe 4 and the water valve base 5.

The right part of the inner side of the water inlet pipe 4 is provided with a mechanical pressure limiting valve, and the pressure relief pipe 13 is sleeved at an outlet of the mechanical pressure limiting valve.

The electric connection terminal 6 is electrically connected with the microswitch 16, the grounding copper piece 18, the heating group 17, the first copper sheet 27, the second copper sheet 28 and the dry combustion protector 11, the electric connection terminal 6 is electrically connected with an external power supply, and the dry combustion protector 11 is a KSD301-R type temperature control switch.

The utility model discloses a theory of operation is:

the utility model relates to a high-safety electric water heater, which mainly comprises a bottom plate 1, a heating group 17, a water inlet differential pressure switch component, a three-way component, a water pressure power-off protection component, a knob component 3, a connecting terminal 6, a cover plate 2 and the like; water enters the water inlet differential pressure switch assembly (when the starting water pressure reaches 0.04MPa, the water valve top disc 20 supports the contacts of the two micro switches to conduct the circuit of the assembly); the water then passes through a three-way component (wherein, the right end is a spring thimble column 22 provided with a spring, when the water pressure exceeds 1MPa, the water will compress the spring and push the thimble column 22 to move to the right); a water pressure power-off protection component is connected to the right end of the three-way joint 8 in a power supply mode (when a spring thimble 22 of the three-way component touches the left side wall of the bridge plate 24, the bridge plate 24 is pushed to swing, the center post 29 is driven to be separated from the insertion connection with the button 25, so that the button 25 can freely slide up and down, the reset spring 30 pushes the button 25 and the second copper sheet 28 to move downwards, so that the second copper sheet 28 is separated from the contact with the first copper sheet 27, namely the two first copper sheets 27 are disconnected, and the power-off effect is achieved); water continuously flows through the lower cover 9 to enter the main body 10, (the main body 10 is made of cast aluminum heating body material, has high thermal efficiency and is not easy to corrode and leak, three heating groups 17 are controlled by the knob component 3 to heat, one heating group 17 works at the first level, two heating groups 17 work in parallel at the second level, and three heating groups 17 work at the same time at the third level, when the heating dry burning reaches 95 ℃, the dry burning protector 11 is disconnected with the heating circuit, the water inlet pipe 4 in the device is provided with a grounding copper piece 18, and the grounding plays a role in leakage protection); finally, hot water flows out of the water outlet pipe 4 (if the water pressure reaches 1MPa, the water is automatically drained and decompressed through the pressure relief pipe 13, and the water outlet pipe 4 is provided with the grounding copper piece 18 to play a role of leakage protection). The mechanical control circuit and the water path reduce the failure rate; when water is in overpressure, the device has the functions of power failure and pressure relief; the heating body is protected by dry burning prevention protection, and the control structure of the heater adopts a mechanical control circuit and a water path, so that the failure rate is reduced; the device has the functions of power failure and pressure relief, and is perfect in safety guarantee and convenient to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-safety electric water heater mainly comprises a bottom plate (1), a water inlet differential pressure switch component, a three-way component and a water pressure overpressure power-off protection component, and is characterized in that a power-on terminal (6) is fixedly mounted at the right part of the front side of the bottom plate (1), an upper cover (12) is fixedly mounted at the upper part of the front end of the bottom plate (1), a main body (10) is fixedly mounted at the bottom end of the upper cover (12), a heating group (17) is fixedly mounted at the bottom end of the upper cover (12) inside the main body (10), a lower cover (9) is fixedly mounted at the bottom end of the main body (10), a dry burning protector (11) is fixedly mounted in the middle of the front side of the main body (10), a water inlet pipe (4) is rotatably mounted at the left part of the bottom end of the lower cover (9), a grounding copper part (18) is rotatably mounted on, lower cover (9) bottom right part connects soon and installs the tee bend subassembly, and the tee bend subassembly mainly includes three way connection (8), spring thimble post (22) and cover (23), three way connection (8) top connects the installation with lower cover (9) soon, the inside grafting in three way connection (8) right side is installed spring thimble post (22), three way connection (8) right side inside is located spring thimble post (22) right-hand grafting and is installed cover (23), three way connection (8) right side joint is installed and is inserted spring (21) with cover (23) complex, cover (23) middle part is seted up with spring thimble post (22) complex through-hole, three way connection (8) right-hand member has water pressure outage protection component through bolt fixed mounting, and water pressure outage protection component mainly includes outage ware drain pan (7), bridge plate (24), button (25), The circuit breaker comprises a circuit breaker upper cover (26), a first copper sheet (27), a second copper sheet (28) and a center post (29), wherein the circuit breaker upper cover (26) is fixedly installed on the right side of a circuit breaker bottom shell (7), a button (25) is slidably installed in the middle of the inner side of the circuit breaker bottom shell (7), the top end of the button (25) is in press contact with the second copper sheet (28), a reset spring (30) is fixedly installed at the top end of the second copper sheet (28), the top end of the reset spring (30) is in close contact with the inner wall of the top end of the circuit breaker bottom shell (7), the first copper sheets (27) which are symmetrically arranged are fixedly installed on the upper portion of the inner side of the circuit breaker bottom shell (7), a bridge plate (24) is rotatably installed on the left side of the circuit breaker bottom shell (7), a rebound spring is fixedly installed between the side wall of the lower portion of the, breaker drain pan (7) left side wall seted up with center pillar (29) complex through-hole, button (25) left side wall middle part seted up with center pillar (29) complex slot, center pillar (29) right-hand member is installed at button (25) left end via the slot grafting, first copper sheet (27) bottom lateral wall and second copper sheet (28) top lateral wall in close contact with, three way connection (8) bottom fixed mounting has the pressure difference switch module of intaking, bottom plate (1) front side fixed mounting has apron (2), and apron (2) right side lower part assembly installs knob subassembly (3).

2. The high-safety electric water heater according to claim 1, wherein the inlet pressure difference switch assembly mainly comprises a water valve base (5), a water valve upper cover (14), a fixing seat (15), a first micro switch (16), a silica gel elastic sheet (19) and a water valve top plate (20), the top end of the water valve base (5) is fixedly connected with the three-way joint (8), the right side of the water valve base (5) is fixedly provided with the water valve upper cover (14), the silica gel elastic sheet (19) is arranged between the left side wall of the water valve upper cover (14) and the right side wall of the water valve base (5) in a compression joint mode, the right end of the silica gel elastic sheet (19) extends to the outer side of the right part of the water valve upper cover (14), the silica gel elastic sheet (19) is fixedly provided with the water valve top plate (20), the top plate spring is sleeved outside the right side of the water valve top plate (20), the fixing, a microswitch (16) is fixedly arranged inside the right side of the fixed seat (15), and the right end of the water valve top disc (20) corresponds to the contact position of the microswitch (16).

3. The high-safety electric water heater according to claim 1, wherein the side walls of the bottom ends of the cover plate (2) and the bottom end of the bottom plate (1) are provided with openings matched with the water inlet pipe (4) and the water valve base (5).

4. The high-safety electric water heater according to claim 1, wherein a mechanical pressure limiting valve is arranged at the right part of the inner side of the water inlet pipe (4), and the pressure relief pipe (13) is sleeved at the outlet of the mechanical pressure limiting valve.

5. The high-safety electric water heater according to claim 1, wherein the electric connection terminal (6) is electrically connected with the micro switch (16), the grounding copper piece (18), the heating set (17), the first copper sheet (27), the second copper sheet (28) and the dry burning protector (11), the electric connection terminal (6) is electrically connected with an external power supply, and the dry burning protector (11) is a KSD301-R type temperature control switch.