CN217844287U - Automatic blowdown electric water heater - Google Patents

Automatic blowdown electric water heater Download PDF

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Publication number
CN217844287U
CN217844287U CN202221681655.6U CN202221681655U CN217844287U CN 217844287 U CN217844287 U CN 217844287U CN 202221681655 U CN202221681655 U CN 202221681655U CN 217844287 U CN217844287 U CN 217844287U
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water
anode
control board
main control
channel
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CN202221681655.6U
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Chinese (zh)
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卢宇轩
罗江松
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Guangdong Vanward New Electric Co Ltd
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Guangdong Vanward New Electric Co Ltd
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Abstract

The utility model discloses an automatic blowdown electric water heater, inner bag are provided with the drain, and the last passageway and the drain of three-way valve are connected, and left side passageway is connected with blowdown solenoid valve, and the one end cladding of the positive pole stick of electron positive pole has electrical insulation layer, and the positive pole stick extends to from the lower passageway of three-way valve, last passageway and drain in the inner bag, the one end that the cladding of positive pole stick has electrical insulation layer is located the lower passageway and sealed lower passageway, and the positive pole control panel is connected with electron positive pole and main control board electricity respectively, and when the water level of positive pole control panel in the lower passageway was higher than electrical insulation layer, the first signal of positive pole control panel output to main control board, and the second signal is exported to the main control board when water level in the lower passageway is less than electrical insulation layer, and the main control board is used for according to first signal and second signal control blowdown, need not to detect whether clean through flow sensor sewage, both multiplexed electron positive pole, saved the cost that adopts flow sensor, can accurately judge again whether clean sewage.

Description

Automatic blowdown electric water heater
Technical Field
The utility model relates to an electric water heater technical field especially relates to an automatic blowdown electric water heater.
Background
In a water heater, in order to implement clean water, the water heater is generally provided with an automatic washing function to discharge dirt inside the water heater from a drain outlet.
In the water heater self-cleaning in-process, need detect during the blowdown whether the sewage drains off cleanly and fill water so that repeated washing many times, at present, set up flow sensor on the blow off pipe usually to detect through flow sensor whether the sewage drains off totally.
Set up flow sensor at the blow off pipe and detect whether sewage arranges totally, flow sensor on the blow off pipe is blocked by impurity in the sewage easily, causes flow sensor to damage or erroneous judgement easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic blowdown electric water heater, whether it detects the clean problem that damages flow sensor and erroneous judgement easily of drainage through flow sensor in solving current water heater effectively.
The technical problem is solved by the following technical scheme:
an automatic blowdown electric water heater, including storage water tank, electronic positive pole, positive pole control panel, top management board, three-way valve and blowdown electromagnetic valve;
the water storage tank comprises an inner container, the inner container is provided with a sewage discharge outlet, an upper channel of the three-way valve is connected with the sewage discharge outlet, and a left channel is connected with the sewage discharge electromagnetic valve;
the electronic anode comprises an anode rod, one end of the anode rod is coated with an electric insulation layer, the anode rod extends into the inner container from the lower channel, the upper channel and the sewage discharge outlet of the three-way valve, and the end, coated with the electric insulation layer, of the anode rod is located in the lower channel and seals the lower channel;
the anode control board is respectively electrically connected with the electronic anode and the main control board, when the water level in the lower channel is higher than the electric insulation layer, the anode control board outputs a first signal to the main control board, and when the water level in the lower channel is lower than the electric insulation layer, the anode control board outputs a second signal to the main control board, and the main control board is used for controlling the blowdown electromagnetic valve according to the first signal and the second signal.
In an alternative embodiment, the electrically insulating layer is a plastic layer or an insulating ceramic layer.
In an alternative embodiment, the anode rod is a magnesium anode rod or a titanium anode rod.
In an alternative embodiment, the upper surface of the electrically insulating barrier is higher than the lowest point of the inner bore of the left channel.
In an alternative embodiment, the distance from the upper surface of the electrically insulating layer to the lowest point of the inner bore of the left channel is 10 mm.
In an optional embodiment, still include electronic thermostatic valve and the solenoid valve of intaking, the inner bag still includes outlet pipe and inlet tube, electronic thermostatic valve includes cold water inlet, thermostatted water delivery port, water flow sensor, cold water delivery port, hot water inlet, mixes water chamber, cold water mixing intake passage, hot water mixing intake passage, mixed water outlet passageway and motor, the cold water inlet passes through the solenoid valve of intaking is connected with outside cold water pipe, the cold water delivery port with advance water piping connection, the hot water inlet with go out water piping connection, water flow sensor sets up cold water inlet department, the both ends of cold water mixing intake passage respectively with the cold water delivery port with mix the water chamber and connect, the both ends of hot water mixing intake passage respectively with the hot water inlet with mix the water chamber and connect, the both ends of mixing water outlet passage respectively with mix the water chamber with the thermostatted water delivery port is connected, motor, water flow sensor and the solenoid valve all with the master control board is connected.
In an optional embodiment, one end of the water outlet pipe is outside the inner container, and the other end of the water outlet pipe is inside the inner container and close to the top of the inner container.
In an optional embodiment, a temperature sensor is arranged in the mixed water outlet channel, and the temperature sensor is electrically connected with the main control board.
In an optional embodiment, a valve core is arranged in the water mixing cavity, the valve core is movably connected with an output shaft of the motor, and the motor is used for driving the valve core to move in the water mixing cavity.
In an optional embodiment, the valve core is provided with an internal thread, the output shaft of the motor is provided with an external thread, and the valve core and the output shaft of the motor are connected through the internal thread and the external thread.
Compared with the background art, the automatic sewage discharging electric water heater has the advantages that:
because the cladding of anode bar one end has the electrically insulating layer, the anode bar is from the lower passageway of three-way valve, upper channel and drain extend to the inner bag, the anode bar cladding has the electrically insulating layer one end to be located the lower passageway and sealed the lower passageway, the anode control board is connected with electron anode and main control board electricity respectively, when electric water heater self-cleaning process blowdown, when the sewage water level in the lower passageway of three-way valve is higher than electrically insulating layer, the anode bar, sewage and inner bag form the electric circuit, the anode control board has the signal of telecommunication input, the first signal of telecommunication of anode control board output to the main control board, the main control board can control blowdown solenoid valve to open and carry out the blowdown, when the sewage water level in the lower passageway of three-way valve is less than electrically insulating layer, the anode bar is because of the isolated effect of electrically insulating layer, the anode bar can't form the electric circuit with the inner bag, the anode control board does not have the electric signal of telecommunication input, the second signal of anode control board output, the main control board can control blowdown solenoid valve close with the water injection once more rinse, need not to set up flow sensor and detect whether clean sewage, the problem of adopting flow sensor easy damage and erroneous judgement has been avoided, both saved the cost of adopting the anode flow sensor, again can be accurate again, whether the sewage discharge is clean.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural view of an automatic blowdown electric water heater according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of detail A of FIG. 1;
fig. 3 is a schematic structural diagram of a three-way valve according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electrical insulation layer in a three-way valve according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an electronic thermostatic valve according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a valve core of the electronic thermostatic valve and the motor according to the embodiment of the present invention;
in the figure:
1. a water storage tank; 101. an inner container; 102. a water outlet pipe; 103. a water inlet pipe; 104. an electricity-proof wall; 105. an electric heating tube; 106. a sewage draining outlet; 2. an electron anode; 201. an anode rod; 202. an electrically insulating layer; 3. an anode control plate; 4. a main control board; 5. a three-way valve; 501. an upper channel; 502. a lower channel; 503. a left channel; 6. an electronic thermostatic valve; 601. a cold water inlet; 602. a constant temperature water outlet; 603. a water flow sensor; 604. a cold water outlet; 605. a hot water inlet; 606. a water mixing cavity; 607. a cold water mixing water inlet channel; 608. a hot water mixing water inlet channel; 609. a mixed water outlet channel; 610. a temperature sensor; 611. a motor; 612. an output shaft; 613. a valve core; 7. a water inlet electromagnetic valve; 8. a sewage discharge electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a structural block diagram of an automatic blowdown electric water heater according to an embodiment of the present invention, the electric water heater of this embodiment can be automatically cleaned and drained of sewage, as shown in fig. 1, the automatic blowdown electric water heater of this embodiment can include a water storage tank 1, an electronic anode 2, an anode control panel 3, a main control panel 4, a three-way valve 5 and a blowdown electromagnetic valve 8.
The water storage tank 1 can be a main body part of the whole electric water heater, the water storage tank 1 can include an inner container 101 therein, the inner container 101 can be a component for storing water, the inner container 101 is provided with a sewage discharge outlet 106, and an electric heating tube 105 is further provided, the electric heating tube 105 is used for heating the water in the inner container 101, and the sewage discharge outlet 106 is used for discharging sewage generated by cleaning.
This embodiment can be through three-way valve 5 connection drain 106, as shown in fig. 3, three-way valve 5 can include last passageway 501, lower passageway 502 and left passageway 503, wherein, last passageway 501 and drain 106 of three-way valve 5 are connected, left passageway 503 is connected with blowdown solenoid valve 8, exemplarily, last passageway 501 of three-way valve 5 can be connected with drain 106 through the pipeline, left passageway 503 is connected with blowdown solenoid valve 8 through the pipeline, of course, last passageway 501 of three-way valve 5 also can directly be connected with drain 106, left passageway 503 is directly connected with blowdown solenoid valve 8, this embodiment is not limited to this. Wherein, blowdown solenoid valve 8 sets up in the left passageway 503 of three-way valve 5, can reduce because of incrustation scale or impurity glue the gate of dying blowdown solenoid valve 8 and lead to the risk that can't open, has improved the reliability of blowdown solenoid valve 8 action.
As shown in fig. 2, the electron anode 2 includes an anode rod 201, the anode rod 201 may be a common component that is built in the liner 101 to prevent the liner 101 from being chemically corroded, and the anode rod 201 may be a magnesium anode rod, a titanium anode rod, or another metal anode rod. One end of the anode rod 201 is covered with an electrical insulation layer 202, and the material of the electrical insulation layer 202 may be plastic or electrically insulating ceramic.
As shown in fig. 1 and fig. 2, the anode rod 201 extends into the inner container 101 from the lower channel 502, the upper channel 501 and the sewage discharge outlet 106 of the three-way valve 5, one end of the anode rod 201 coated with the electrical insulation layer 202 is located in the lower channel 502 and seals the lower channel 502, exemplarily, one end of the anode rod 201 coated with the electrical insulation layer 202 is provided with a nut and a sealing ring matched with the lower channel 502, and after the anode rod is locked on the lower channel 502 by the nut, the sealing ring seals the lower channel 502 to prevent the sewage from flowing out from the lower channel 502.
The anode control board 3 is electrically connected to the electron anode 2 and the main control board 4, respectively, for example, the lower end of the anode rod 201 may be connected to a detection pin of the anode control board 3 through a signal line, and then the anode control board 3 and the main control board 4 are connected through a signal line. The anode control plate 3 outputs a first signal to the main control plate 4 when the water level in the lower passage 502 is higher than the electrical insulation layer 202, and outputs a second signal to the main control plate 4 when the water level in the lower passage 502 is lower than the electrical insulation layer 202, and the main control plate 4 is used to control the soil exhaust solenoid valve 8 according to the first signal and the second signal.
The detection principle of whether the sewage is completely discharged or not in the embodiment is as follows:
in practical application, after the anode rod 201 of the electronic anode 2 is placed in the liner 101, if the liner 101 contains water, the anode rod 201 is immersed in the water, the anode rod 201, the water and the liner 101 form an electrical circuit, otherwise, an open circuit is formed between the anode rod 201 and the liner 101. In this embodiment, in the cleaning process of the electric water heater, when the main control board 4 controls the drain electromagnetic valve 8 to be opened, after the sewage in the inner container 101 flows through the drain outlet 106, the upper channel 501 and the left channel 503 of the three-way valve 5, the sewage is discharged out of the inner container 101 through the drain electromagnetic valve 8, when the sewage is not completely discharged, the water level in the lower channel 502 of the three-way valve 5 is higher than the upper surface of the electrical insulation layer 202, the anode rod 201 is immersed in the water, the anode rod 201, the water and the inner container 101 form an electrical loop, the anode control board 3 detects the current, and outputs a first signal to the main control board 4 to notify that the sewage is not completely discharged from the main control board 4, when the water level continues to fall and is lower than the upper surface of the electrical insulation layer 202, the anode rod 201 is not immersed in the water, the anode rod 201 and the inner container 101 do not form an electrical loop, no current exists in the anode rod 201, and when the anode control board 3 does not detect the current, the second signal is output to the main control board 4 to notify that the sewage is completely discharged from the main control board 4, and then the drain electromagnetic valve 8 can be closed, and then continue to control the drain electromagnetic valve 8 to clean again.
This embodiment is because anode bar one end cladding has electrical insulation layer, the one end that the anode bar cladding has electrical insulation layer is arranged in the lower passageway of three-way valve and seals the lower passageway, can form electric loop through anode bar and inner bag in the blowdown process and confirm whether the sewage is totally arranged, when the sewage water level in the lower passageway of three-way valve is less than electrical insulation layer promptly, the anode bar is because electrical insulation layer's isolated effect, the anode bar can't form electric loop with the inner bag, the input of positive pole control panel electroless signal, positive pole control panel output second signal of telecommunication to the main control board, the main control board can control blowdown solenoid valve to close and wash once more with the water injection again, need not to set up flow sensor in the blow off pipe and detect whether the sewage is totally arranged, the problem of adopting flow sensor to damage easily and erroneous judgement has been avoided, both multiplexed electron anode, the cost of adopting flow sensor has been saved, can accurately judge whether the sewage is totally arranged again.
In an alternative embodiment, as shown in fig. 4, the upper surface P1 of the electrical insulation layer 202 is higher than the lowest point P2 of the inner hole of the left channel 503, and preferably, the distance H from the upper surface P1 of the electrical insulation layer 202 to the lowest point P2 of the inner hole of the left channel 503 is 10 mm, so that the sewage in the lower channel 502 of the three-way valve 5 can be discharged from the solenoid drain valve 8 of the left channel 503 as much as possible, and the sewage accumulated in the lower channel 502 at a level lower than the lowest point P2 of the inner hole of the left channel 503 and higher than the upper surface P1 of the electrical insulation layer 202 can not be discharged, which results in the anode rod 201 forming an electrical circuit with the inner container 101 to cause the erroneous judgment that the sewage is not discharged, thereby improving the accuracy of the sewage discharge.
As shown in fig. 1, in an alternative embodiment, the electric water heater further includes an electronic thermostatic valve 6 and a water inlet solenoid valve 7, the inner container 101 further includes a water outlet pipe 102 and a water inlet pipe 103, and the water outlet pipe 102 and the water inlet pipe 103 are provided with an electricity-proof wall 104 near the inner container 101.
As shown in fig. 1 and 5, the electronic thermostatic valve 6 includes a cold water inlet 601, a constant temperature water outlet 602, a water flow sensor 603, a cold water outlet 604, a hot water inlet 605, a mixing cavity 606, a cold water mixing inlet channel 607, a hot water mixing inlet channel 608, a mixed water outlet channel 609, and a motor 611, the cold water inlet 601 is connected to an external cold water pipeline through an inlet electromagnetic valve 7, the cold water outlet 604 is connected to the water inlet pipe 103, the hot water inlet 605 is connected to the water outlet pipe 102, the water flow sensor 603 is disposed at the cold water inlet 601, two ends of the cold water mixing inlet channel 607 are respectively connected to the cold water outlet 604 and the mixing cavity 606, two ends of the hot water mixing inlet channel 608 are respectively connected to the hot water inlet 605 and the mixing cavity 606, two ends of the mixed water outlet channel 609 are respectively connected to the mixing cavity 606 and the constant temperature water outlet 602, and the motor 611, the water flow sensor 603, and the inlet electromagnetic valve 7 are electrically connected to the main control panel 4.
The water flow sensor 603 is configured to measure a flow rate of water flowing through the cold water inlet 601, and the main control board 4 may detect whether water is filled when water needs to be filled for re-cleaning in the cleaning process or determine whether water with a preset flow rate is filled through the flow rate measured by the water flow sensor 603. The mixed water outlet passage 609 is provided with a temperature sensor 610, the temperature sensor 610 is electrically connected with the main control board 4, and the main control board 4 can adjust the power of the electric heating tube 105 according to the temperature collected by the temperature sensor 610, so that the temperature of the output water conforms to the expected temperature of a user.
In order to make the person skilled in the art understand the cleaning process of the automatic blowdown electric water heater of the present embodiment more clearly, the following description is made by way of example, and specifically follows:
1. pollution discharge process
When the main control board 4 receives a blowdown cleaning instruction, for example, a user presses a blowdown button, or blowdown cleaning is triggered through APP, or water quality is detected to be out of specification, the main control board 4 receives the blowdown cleaning instruction, water in the inner container 101 needs to be discharged firstly, the main control board 4 controls the electric heating tube 105 to be powered off and controls the water inlet electromagnetic valve 7 to be closed firstly, meanwhile, in order to avoid that air pressure in the inner container 101 is smaller than external air pressure and sewage cannot be discharged, the main control board 4 controls the motor 611 of the electronic thermostatic valve 6 to rotate to close the cold water mixing water inlet channel 607, the hot water mixing water inlet channel 608 and the mixed water outlet channel 609 are opened, as shown in fig. 1, since one end of the water outlet pipe 102 is outside the inner container 101 and the other end is inside the inner container 101 and close to the top of the inner container 101, external air sequentially passes through the mixed water outlet channel 609, the water mixing cavity 606, the hot water mixing water inlet channel 608, the water outlet pipe 102 is communicated with the inner container 101, after the main control blowdown electromagnetic valve 8 is opened, sewage flows out of the blowdown electromagnetic valve 8 after passing through the three-way valve 5 from the blowdown port 106.
In the sewage discharge process, the electronic anode 2 detects whether sewage is discharged or not in real time through the electric insulation layer 202 on the anode rod 201, if the sewage is not discharged, the anode rod 201 is still soaked in the water, the anode rod 201 and the liner 101 form a loop, the anode control panel 3 connected with the anode rod 201 does not detect the change of an electric signal, if the sewage is discharged, the electric insulation layer 202 on the anode rod 201 is exposed out of the water surface to reach a detection water level, the anode rod 201 and the liner 101 are disconnected from the loop, the anode control panel 3 detects the change of the electric signal, the anode control panel 3 sends a signal to the main control panel 4, and the main control panel 4 judges that the water in the liner 101 is discharged after receiving the signal.
2. Cleaning process
After having discharged water for the first time, main control board 4 control blowdown solenoid valve 8 closes, and control water solenoid valve 7 opens and fills and annotate the fresh water and wash inner bag 101, detects to fill to annotate through water flow sensor 603 and fills and to fill and accomplish back main control board 4 control water solenoid valve 7 and close to and control blowdown solenoid valve 8 and open and carry out the secondary and wash the blowdown, so the circulation is washd many times, reaches the preset number of times up to the washing number of times.
3. Water injection process
After the washing, need toward the clean water of inner bag 101 injection, main control panel 4 control blowdown solenoid valve 8 closes, control water inlet solenoid valve 7 opens in order to fill with the clean water, judge whether fill with water through the water yield of the water flow sensor 603 in the calculation rivers through the electronic thermostatic valve 6 and the temperature variation of temperature sensor 610, if fill with water, motor 611 rotation in the main control panel 4 control electronic thermostatic valve 6 closes mixed water outlet passage 609, then main control panel 4 control water heater is started, resume the mode before the blowdown, the required polarization current of inner bag 101 protection is launched out through anode rod 201 to anode control panel 3, in order to protect inner bag 101, prevent that inner bag 101 from being corroded by the chemistry, the service water is cleaner.
As shown in fig. 6, in an alternative embodiment, a valve core 613 is disposed in the water mixing cavity 606, the valve core 613 is movably connected to an output shaft 612 of a motor 611, the motor 611 is configured to drive the valve core 613 to move in the direction F in the water mixing cavity 606, specifically, an internal thread is disposed on the valve core 613, an external thread is disposed on the output shaft 612 of the motor 611, and the valve core 613 and the output shaft 612 of the motor 611 are connected through the internal thread and the external thread, as shown in fig. 6, the water mixing cavity 606 is respectively communicated with the cold water mixing water inlet channel 607, the hot water mixing water inlet channel 608, and the mixed water outlet channel 609, and different valve core 613 structures are disposed, so that when the motor 611 drives the valve core 613 to move in the direction F in the water mixing cavity 606, the cold water mixing water inlet channel 607, the hot water mixing water inlet channel 608, and the mixed water outlet channel 609 may have different opening degrees to adjust the water temperature and the water flow rate.
In the embodiment, the electronic thermostatic valve 6 is adjusted by the motor 611, so that the outlet water temperature and the outlet water flow can be adjusted, compared with the use of an electromagnetic valve, the cost of the motor 611 is lower, and the cost of the electric water heater is reduced.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The details of the foregoing embodiments are merely representative of several embodiments of the present invention, which are described in more detail and detail, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An automatic blowdown electric water heater is characterized by comprising a water storage tank (1), an electronic anode (2), an anode control plate (3), a main control plate (4), a three-way valve (5) and a blowdown electromagnetic valve (8);
the water storage tank (1) comprises an inner container (101), the inner container (101) is provided with a sewage draining outlet (106), an upper channel (501) of the three-way valve (5) is connected with the sewage draining outlet (106), and a left channel (503) is connected with the sewage draining electromagnetic valve (8);
the electronic anode (2) comprises an anode rod (201), one end of the anode rod (201) is coated with an electric insulation layer (202), the anode rod (201) extends into the inner container (101) from a lower channel (502), an upper channel (501) and the sewage outlet (106) of the three-way valve (5), and one end of the anode rod (201) coated with the electric insulation layer (202) is located in the lower channel (502) and seals the lower channel (502);
the anode control board (3) is respectively electrically connected with the electronic anode (2) and the main control board (4), when the water level in the lower channel (502) is higher than the electric insulation layer (202), the anode control board (3) outputs a first signal to the main control board (4), and when the water level in the lower channel (502) is lower than the electric insulation layer (202), the anode control board outputs a second signal to the main control board (4), and the main control board (4) is used for controlling the blowdown electromagnetic valve (8) according to the first signal and the second signal.
2. The automatic blowdown electric water heater of claim 1, wherein the electrical insulation layer (202) is a plastic layer or an insulating ceramic layer.
3. The automatic blowdown electric water heater of claim 1, wherein the anode rod (201) is a magnesium anode rod or a titanium anode rod.
4. The automatic blowdown electric water heater as claimed in claim 1, wherein the upper surface of the electrically insulating layer (202) is higher than the lowest point of the inner bore of the left passageway (503).
5. The automatic blowdown electric water heater of claim 4, wherein the distance from the upper surface of the electrical insulation layer (202) to the lowest point of the inner bore of the left channel (503) is 10 mm.
6. The automatic blowdown electric water heater as claimed in any one of claims 1 to 5, further comprising an electronic thermostatic valve (6) and a water inlet solenoid valve (7), wherein the inner container (101) further comprises a water outlet pipe (102) and a water inlet pipe (103), the electronic thermostatic valve (6) comprises a cold water inlet (601), a constant temperature water outlet (602), a water flow sensor (603), a cold water outlet (604), a hot water inlet (605), a water mixing chamber (606), a cold water mixing water inlet channel (607), a hot water mixing water inlet channel (608), a mixed water outlet channel (609) and a motor (611), the cold water inlet (601) is connected with an external cold water pipe through the water inlet solenoid valve (7), the cold water outlet (604) is connected with the water inlet pipe (103), the hot water inlet (605) is connected with the water outlet pipe (102), the water flow sensor (603) is disposed at the cold water inlet (601), both ends of the cold water mixing water inlet channel (607) are respectively connected with the cold water outlet (604) and the water mixing chamber (606), both ends of the hot water mixing water inlet channel (605) are respectively connected with the mixed water outlet (609) and the mixed water outlet (606), the motor (611), the water flow sensor (603) and the water inlet electromagnetic valve (7) are electrically connected with the main control panel (4).
7. The automatic blowdown electric water heater as claimed in claim 6, wherein one end of the water outlet pipe (102) is outside the inner container (101), and the other end is inside the inner container (101) and close to the top of the inner container (101).
8. The automatic blowdown electric water heater as claimed in claim 6, wherein a temperature sensor (610) is disposed in the mixed water outlet passage (609), and the temperature sensor (610) is electrically connected with the main control board (4).
9. The automatic blowdown electric water heater of claim 6, wherein a valve core is arranged in the water mixing cavity (606), the valve core is movably connected with an output shaft of the motor (611), and the motor (611) is used for driving the valve core to move in the water mixing cavity (606).
10. The automatic blowdown electric water heater of claim 9, wherein the valve core is provided with an internal thread, the output shaft of the motor (611) is provided with an external thread, and the valve core and the output shaft of the motor (611) are connected through the internal thread and the external thread.
CN202221681655.6U 2022-06-30 2022-06-30 Automatic blowdown electric water heater Active CN217844287U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221681655.6U CN217844287U (en) 2022-06-30 2022-06-30 Automatic blowdown electric water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221681655.6U CN217844287U (en) 2022-06-30 2022-06-30 Automatic blowdown electric water heater

Publications (1)

Publication Number Publication Date
CN217844287U true CN217844287U (en) 2022-11-18

Family

ID=84034359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221681655.6U Active CN217844287U (en) 2022-06-30 2022-06-30 Automatic blowdown electric water heater

Country Status (1)

Country Link
CN (1) CN217844287U (en)

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