CN112524795B

CN112524795B - Electric shock prevention safety electric water heater

Info

Publication number: CN112524795B
Application number: CN202011320299.0A
Authority: CN
Inventors: 曹先配
Original assignee: Weihai Jinzhi Electronic Technology Co ltd
Current assignee: Weihai Jinzhi Electronic Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2022-08-12
Anticipated expiration: 2040-11-23
Also published as: CN112524795A

Abstract

The invention discloses an electric shock prevention safety electric water heater which comprises a hollow water heater shell, wherein a heating chamber is welded on the top wall in the water heater shell, the water heater shell and the heating chamber are fixedly connected with a water inlet pipe in a penetrating mode, the water inlet pipe penetrates and extends into the heating chamber, a first electromagnetic valve and a second electromagnetic valve are respectively arranged at two ends, located in the heating chamber, of the water inlet pipe, drain pipes are fixedly connected with two opposite side walls of the heating chamber in a penetrating mode, a third electromagnetic valve and a fourth electromagnetic valve are respectively arranged in the two drain pipes, and a heating device is arranged in the heating chamber. Has the advantages that: when the water heater is used, the supplied hot water is not in contact with the electrified heating sheet, so that electric shock accidents caused by electricity transmission to a human body along with the supplied hot water during electric leakage are avoided, the water heater has higher safety, has higher water pressure and water outlet speed compared with the existing water heater, is better in use experience, and can prevent scale accumulation.

Description

Electric shock prevention safety electric water heater

Technical Field

The invention relates to the technical field of electric water heaters, in particular to an electric shock prevention safety electric water heater.

Background

The electric water heater is one of the necessary household appliances for household, can provide hot water for people to take a bath, wash clothes and the like at any time, and is divided into an instant electric water heater and a water storage type electric water heater.

In the prior art, a heating sheet of an existing electric water heater is directly contacted with water, when the heating sheet leaks electricity, electricity can be directly transmitted to a human body along with water flow, electric shock accidents are caused, safety is poor, the existing water storage type electric water heater generally stores water by means of the gravity of the water, water pressure is low, scales are easily accumulated in the water heater, and heating effects are affected.

Disclosure of Invention

The invention aims to solve the problems that electric shock is easy to occur, the water pressure is low and scale is easy to accumulate in the prior art, and provides an electric shock prevention safety electric water heater.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an electric shock prevention safety electric water heater, includes hollow water heater shell, the roof welding has the heating chamber in the water heater shell, the water heater shell runs through fixedly connected with inlet tube jointly with the heating chamber, the inlet tube runs through and extends to in the heating chamber, the both ends that the inlet tube is located the heating chamber are provided with first solenoid valve, second solenoid valve respectively, two lateral walls that the heating chamber is relative all run through fixedly connected with drain pipe, two be provided with third solenoid valve, fourth solenoid valve in the drain pipe respectively, be provided with heating device in the heating chamber, be provided with the scale removal device in the drain pipe.

In the electric shock prevention safety electric water heater, the heating device comprises a sliding groove formed in the inner top wall and the inner bottom wall of the heating chamber, a magnetic block is connected in the sliding groove in a sliding mode, the magnetic block is jointly glued with a partition board, the partition board is in sealed sliding sleeve joint with the inner side wall of the heating chamber, a first electric heating piece and a second electric heating piece are respectively arranged on the side walls of the two sides of the partition board, and an edge changing mechanism is arranged in the heating chamber.

In the electric shock prevention safety electric water heater, the edge changing mechanism comprises a function cavity and an electric switch, the function cavity is arranged in the heating chamber, a sliding block is sleeved in the function cavity in a sliding mode, two opposite side walls of the sliding block are respectively glued with a first conducting strip, two opposite inner side walls of the function cavity are respectively glued with a second conducting strip, the first conducting strip and the second conducting strip are electrically connected with the electric switch through leads, and the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the first electric heating strip, the second electric heating strip and the electric switch are electrically connected through leads.

In foretell electric shock prevention safety electric water heater, the incrustation scale removal device is including seting up at the play dirt mouth of drain pipe lateral wall, it is connected with the L shaped plate to go out the rotation of dirt mouth inside wall through the round pin axle, the rotation junction of L shaped plate and drain pipe is provided with torque spring, be provided with the filter screen in the L shaped plate, the sealed sliding connection that runs through of water heater shell lateral wall has the storage dirt box, store up the dirt box lateral wall and seted up into the dirt mouth, it communicates with a dirt mouth to advance the dirt mouth.

In the electric shock prevention safety electric water heater, the partition plate is made of polyethylene, the outer surface of the partition plate is wrapped with aluminum silicate fiber paper, and the bottom wall of the water heater shell is fixedly connected with the water outlet pipe in a penetrating mode.

Compared with the prior art, the invention has the advantages that:

1. by arranging the two water inlet pipe orifices, the two water discharge pipes and the two heating sheets, when water enters from one side, the water is heated at the same time, and the heated water is discharged into the shell of the water heater, namely when the water at one side is discharged, the heating sheet at the side is in a power-off state, the water at the other side continuously enters, and the water enters and is heated at the same time, so that the electric shock accident caused by the transmission of electricity to a human body along with the discharged water is avoided, and the safety of the water heater is greatly improved;

2. by arranging the two water inlet pipe orifices, the two water discharge pipes and the two heating sheets, when water enters from one side, because the tap water is provided with a certain pressure when being supplied, the pressure of the tap water pushes the partition plate to move, the water heated from the other side is pressed into the shell of the water heater, and meanwhile, the water in the shell of the water heater is discharged through the water discharge pipe at the same pressure for use, compared with the traditional water heater which only discharges water by the aid of the gravity of the water heater, the water heater has higher water pressure and water discharge speed, so that a user has better use experience when using the water heater;

3. because the in-process of heating water, the baffle is in the removal state always, therefore the incrustation scale can't be adhered to at the baffle wall, can produce in aqueous, along with water is together arranged to the drain pipe, stay on the filter screen after being filtered by the filter screen, when the solenoid valve in the drain pipe of this side was closed, water hammer effect produced certain impact force to L shaped plate, make L shaped plate rotate towards storage dirt box direction, the filter screen on the L shaped plate was in the tilt state this moment, rivers pass through the incrustation scale mouth on with the filter screen, advance the incrustation scale mouth and assault to store in the storage dirt box, then L shaped plate resets under torsion spring elasticity, avoided the incrustation scale to pile up in heating chamber and water heater shell, influence the heating effect of water heater or block up the outlet pipe.

Drawings

Fig. 1 is a schematic structural view of an electric shock prevention safety electric water heater according to the present invention;

FIG. 2 is an enlarged view of the position A of the electric shock preventing safety electric water heater provided by the present invention;

FIG. 3 is an enlarged view of the position B of the electric shock preventing safety electric water heater according to the present invention;

FIG. 4 is a schematic circuit connection diagram of an anti-electric shock safety electric water heater edge-changing mechanism according to the present invention;

fig. 5 is a schematic diagram of the circuit connection of the electric switch of the electric shock prevention safety electric water heater provided by the invention.

In the figure: the device comprises a water heater shell 1, a heating chamber 2, a water inlet pipe 3, a first electromagnetic valve 4, a second electromagnetic valve 5, a sliding groove 6, a magnetic block 7, a partition plate 8, a functional cavity 9, a sliding block 10, a first conducting strip 11, a second conducting strip 12, a first electric heating strip 13, a water outlet pipe 14, a scale outlet 15, a 16L-shaped plate, a 17 filter screen, a 18 scale storage box, a scale inlet 19, a third electromagnetic valve 20, a fourth electromagnetic valve 21, a water outlet pipe 22, an electric switch 23 and a second electric heating strip 24.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-5, an electric shock prevention safety electric water heater comprises a hollow water heater shell 1, a heating chamber 2 is welded on the top wall in the water heater shell 1, the water heater shell 1 and the heating chamber 2 are fixedly connected with a water inlet pipe 3 in a penetrating manner, the water inlet pipe 3 extends into the heating chamber 2 in a penetrating manner, two ends of the water inlet pipe 3 in the heating chamber 2 are respectively positioned at the left end and the right end of the heating chamber, two ends of the water inlet pipe 3 in the heating chamber 2 are respectively provided with a first electromagnetic valve 4 and a second electromagnetic valve 5, the first electromagnetic valve 4 is positioned at the left end outlet, the second electromagnetic valve 5 is positioned at the right end outlet, and the outlets are respectively provided with a one-way valve to only allow water to flow into the heating chamber 2 from the water inlet pipe 3, so as to avoid water flow from flowing backwards, two opposite side walls of the heating chamber 2 are fixedly connected with drain pipes 14 in a penetrating manner, and a third electromagnetic valve 20 and a fourth electromagnetic valve 21 are respectively arranged in the two drain pipes 14, the two water discharge pipes 14 are respectively arranged at the left end and the right end, the third electromagnetic valve 20 is arranged in the water discharge pipe 14 at the left end, the fourth electromagnetic valve 21 is arranged in the water discharge pipe 14 at the right end, a heating device is arranged in the heating chamber 2, and a scale removing device is arranged in the water discharge pipe 14.

Heating device is including seting up the sliding tray 6 of roof and interior diapire in heating chamber 2, sliding tray 6 sliding connection has magnetic block 7, magnetic block 7 jointly veneer has baffle 8, baffle 8 cup joints with the sealed slip of 2 inside walls in heating chamber, the lateral wall of 8 both sides of baffle is provided with first electric heat piece 13, second electric heat piece 24 respectively, first electric heat piece 13 is located 8 left side walls of baffle, second electric heat piece 24 is located 8 right side walls of baffle, be provided with the mechanism of changing sides in the heating chamber 2.

The edge-changing mechanism comprises a functional cavity 9 and an electric switch 23 which are arranged in the heating chamber 2, the electric switch 23 is a single-pole double-throw switch capable of changing the direction of a switch blade when being electrified, which is not described in detail herein, a slide block 10 is sleeved in the functional cavity 9 in a sliding manner, two opposite side walls of the slide block 10 are respectively glued with a first conducting strip 11, two opposite inner side walls of the functional cavity 9 are respectively glued with a second conducting strip 12, the two first conducting strips 11 and the second conducting strip 12 are electrically connected with the electric switch 23 through conducting wires, as shown in fig. 5, two groups of the first conducting strips 11 and the second conducting strips 12 are respectively connected with the electric switch 23 in series through conducting wires, and the two groups of the first conducting strips 11 and the second conducting strips 12 are connected in parallel, that is when one group of the first conducting strips 11 is contacted with the second conducting strips 12, the electric switch 23 changes the switching direction once, the first electromagnetic valve 4, the second electromagnetic valve 5, the third electromagnetic valve 20, The fourth electromagnetic valve 21, the first electric heating piece 13, the second electric heating piece 24 and the electric switch 23 are electrically connected through a lead, as shown in fig. 4, the first electromagnetic valve 4, the first electric heating piece 13 on the left side and the fourth electromagnetic valve 21 on the right side are connected with one output end of the electric switch 23 in series through a lead, the second electromagnetic valve 5, the second electric heating piece 24 on the right side and the third electromagnetic valve 20 on the left side are connected with the other output end of the electric switch 23 in series through a lead, and the first electromagnetic valve 4, the first electric heating piece 13, the fourth electromagnetic valve 21, the second electromagnetic valve 5, the second electric heating piece 24 and the third electromagnetic valve 20 are connected in parallel, that is, when water enters the water inlet pipe 3 on one side, the water outlet pipe 14 on the other side discharges the water on the other side.

Descaling device is including seting up the play dirt mouth 15 at the drain pipe 14 lateral wall, it is connected with L shaped plate 16 to go out the 15 inside walls of dirt mouth through the round pin hub rotation, L shaped plate 16 is provided with torque spring with the rotation junction of drain pipe 14, be provided with filter screen 17 in the L shaped plate 16, L shaped plate 16's horizontal segment is provided with filter screen 17, L shaped plate 16's vertical section is unanimous with the 15 area shapes of play dirt mouth, when the L shaped plate is located initial position promptly, can be with a dirt mouth 15 shutoff, avoid water to reveal from a dirt mouth 15, the sealed sliding connection that runs through of water heater shell 1 lateral wall has storage scale box 18, store up the 18 lateral wall of scale box and seted up into dirt mouth 19, it communicates with a dirt mouth 15 to advance dirt mouth 19.

Baffle 8 is the polyethylene material, and surface parcel has aluminium silicate fiber paper, and 1 diapire of water heater shell runs through fixedly connected with outlet pipe, and baffle 8 and the surface parcel that adopts the polyethylene material have aluminium silicate fiber paper, can effectually avoid baffle 8 electrically conductive, and thermal-insulated, avoid hot-water heat transfer of one side to the cold aquatic of opposite side.

In the invention, when the water heater is used, as shown in fig. 1, the water heater is in the state when in use, at the time, water on the right side of the partition plate 8 is in a heated state, the first electromagnetic valve 4 and the fourth electromagnetic valve 21 are in an electrified open state, at the time, tap water enters the left side of the partition plate 8 from one end on the left side of the water inlet pipe 3, the partition plate 8 is pushed to move, the water which is heated on the right side of the partition plate 8 is discharged into the water heater shell 1 through the water discharge pipe 14, meanwhile, the first electric heating piece 13 on the left side is electrified to heat cold water entering the left side of the partition plate 8, the partition plate 8 slowly moves rightwards along with the continuous discharge of the water on the right side of the partition plate 8, the magnetic block 7 is driven to move rightwards, the magnetic block 7 drives the sliding block 10 to move rightwards along with the magnetic force, the water on the right side of the partition plate 8 is discharged until the first electric conduction piece 11 on the right side of the sliding block 10 is contacted with the second electric conduction piece 12 on the right side wall of the functional cavity 9, the electric switch 23 is electrified, and the direction of the switch is changed, so that the second electromagnetic valve 5, the third electromagnetic valve 20 and the second electric heating piece 24 are electrified;

because the partition plate 8 is in continuous motion in the heating process of the water in the heating chamber 2, the scale cannot be attached to the electric heating sheet of the partition plate 8 after being generated, the generated scale can suspend in the heated water, the suspended scale can be discharged through the water discharge pipe 14 along with the water, when the water is discharged, the filter screen intercepts the scale and is attached to the filter screen, when the second electromagnetic valve 5, the third electromagnetic valve 20 and the second electric heating sheet 24 are electrified, the fourth electromagnetic valve 21 on the right side is powered off and closed, a water hammer effect is generated in the water discharge pipe 14 on the right side, the water hammer effect enables the L-shaped plate 16 to rotate clockwise towards the scale storage box 18, the water hammer effect is buffered through the torsion spring, meanwhile, along with the rotation of the L-shaped plate 16, the filter screen 17 is in an inclined state, at the moment, under the impact of the water flow, the scale on the filter screen enters the scale storage box 18 through the scale outlet 15 and the scale inlet 19 for storage, and along with the disappearance of the impact force of the water hammer effect, the L-shaped plate 16 is reset under the elastic force of the torsion spring to plug the scale outlet 15 again;

the second electromagnetic valve 5 and the third electromagnetic valve 20 are powered on and then opened, the partition plate 8 is located at the leftmost end at the moment, water on the right side of the partition plate 8 is already in a heating finished state in the process that the partition plate 8 moves rightwards, the second electromagnetic valve 5 is opened at the moment, cold water enters from the right side port of the water inlet pipe 3 and pushes the partition plate 8 leftwards, the third electromagnetic valve 20 on the left side is in an opening state, the water heated on the left side is discharged from the left drain pipe 14 for use, and the operation is repeated, so that the supplied hot water cannot be in contact with the powered electric heating piece.

Although terms such as the water heater case 1, the heating chamber 2, the water inlet pipe 3, the first electromagnetic valve 4, the second electromagnetic valve 5, the sliding groove 6, the magnetic block 7, the partition plate 8, the functional cavity 9, the sliding block 10, the first conductive sheet 11, the second conductive sheet 12, the first electric heating sheet 13, the water outlet pipe 14, the scale outlet 15, the L-shaped plate 16, the filter screen 17, the scale storage box 18, the scale inlet 19, the third electromagnetic valve 20, the fourth electromagnetic valve 21, the water outlet pipe 22, the electric switch 23, and the second electric heating sheet 24 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The electric shock prevention safety electric water heater comprises a hollow water heater shell (1), and is characterized in that a heating chamber (2) is welded on the inner top wall of the water heater shell (1), the water heater shell (1) and the heating chamber (2) jointly penetrate through and are fixedly connected with a water inlet pipe (3), the water inlet pipe (3) penetrates through and extends into the heating chamber (2), two ends, located in the heating chamber (2), of the water inlet pipe (3) are respectively provided with a first electromagnetic valve (4) and a second electromagnetic valve (5), two opposite side walls of the heating chamber (2) are respectively penetrated through and fixedly connected with a drain pipe (14), a third electromagnetic valve (20) and a fourth electromagnetic valve (21) are respectively arranged in the two drain pipes (14), a heating device is arranged in the heating chamber (2), and a scale removal device is arranged in the drain pipe (14);

the heating device comprises a sliding groove (6) formed in the inner top wall and the inner bottom wall of the heating chamber (2), a magnetic block (7) is connected in the sliding groove (6) in a sliding mode, the magnetic block (7) is jointly glued with a partition plate (8), the partition plate (8) is in sealed sliding sleeve joint with the inner side wall of the heating chamber (2), the side walls of two sides of the partition plate (8) are respectively provided with a first electric heating piece (13) and a second electric heating piece (24), and an edge changing mechanism is arranged in the heating chamber (2);

the edge changing mechanism comprises a function cavity (9) and an electric switch (23) which are arranged in a heating chamber (2), wherein a sliding block (10) is sleeved in the function cavity (9) in a sliding mode, two opposite side walls of the sliding block (10) are respectively glued with a first conducting strip (11), two opposite inner side walls of the function cavity (9) are respectively glued with a second conducting strip (12) and two first conducting strips (11) and second conducting strips (12) and the electric switch (23) are electrically connected through leads, and a first electromagnetic valve (4), a second electromagnetic valve (5), a third electromagnetic valve (20), a fourth electromagnetic valve (21), a first electric heating strip (13), a second electric heating strip (24) and the electric switch (23) are electrically connected through leads.

2. The electric shock prevention safety electric water heater according to claim 1, wherein the descaling device comprises a descaling port (15) formed in the side wall of the drain pipe (14), the inner side wall of the descaling port (15) is rotatably connected with an L-shaped plate (16) through a pin shaft, a torsion spring is arranged at the rotary connection position of the L-shaped plate (16) and the drain pipe (14), a filter screen (17) is arranged in the L-shaped plate (16), the side wall of the water heater shell (1) is hermetically, slidably connected with a descaling box (18), a descaling port (19) is formed in the side wall of the descaling box (18), and the descaling port (19) is communicated with the descaling port (15).

3. The electric shock prevention safety electric water heater as claimed in claim 1, wherein the partition plate (8) is made of polyethylene, the outer surface of the partition plate is wrapped with aluminum silicate fiber paper, and a water outlet pipe is fixedly connected to the bottom wall of the water heater shell (1) in a penetrating manner.