CN214665177U - Electric water heater - Google Patents
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- CN214665177U CN214665177U CN202120936984.XU CN202120936984U CN214665177U CN 214665177 U CN214665177 U CN 214665177U CN 202120936984 U CN202120936984 U CN 202120936984U CN 214665177 U CN214665177 U CN 214665177U
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Abstract
The utility model relates to an electricity storage type electric water heater, which comprises a heating water path, a first electric heating device, a second electric heating device, a first relay, a second relay, a third relay, a fourth relay, a charging circuit and a battery; the first relay controls the communication state of the first electric heating device and the battery, the second relay controls the communication state of the second electric heating device and the mains supply, the third relay controls the communication state of the charging circuit and the mains supply, and the fourth relay controls the communication states of the first relay, the second relay and the third relay; when the fourth relay controls the direct current non-working state, the charging circuit charges the battery; when the electric heating device works, the first electric heating device is powered by the battery, the second electric heating device is powered by the mains supply, and the first electric heating device and the second electric heating device heat the fluid in the heating water channel simultaneously. The utility model discloses it is less to the electric current of commercial power demand, have to the line specification low, the little advantage of the installation degree of difficulty.
Description
Technical Field
The utility model relates to an electric water heater field especially relates to an electricity storage formula electric water heater.
Background
Compared with the traditional gas water heater, the electric water heater is safer and more environment-friendly, and the existing electric water heater is mainly divided into a water storage type and an instant heating type. The water storage type electric water heater still needs to consume a large amount of electric energy to heat the water in the water tank when not in use, so that the water storage type electric water heater needs to spend a large amount of electricity expense. Although the existing instant electric water heater does not need to consume electric energy for heat preservation and heating, in order to achieve the purpose of instant heating and opening, the instantaneous electric power of the existing instant electric water heater needs to be large enough, often more than 6kW can be needed to meet the actual use requirement, but the large power provides great challenges for the safety specifications of circuits and plugs, and for families which have finished the household circuit layout and the safety specifications of the circuits do not reach the high standard, the instant electric water heater cannot be used under the condition that a special circuit is not laid afterwards.
Therefore, a new electric water heater is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electricity storage formula electric water heater, it is less to the electric current of commercial power demand, it is low to the requirement of circuit specification to have, and the installation degree of difficulty is little, energy-conserving effect advantage such as obvious.
The utility model provides a technical scheme that its technical problem adopted is: the electric storage type electric water heater comprises a heating water path, a first electric heating device, a second electric heating device, a first relay, a second relay, a third relay, a fourth relay, a charging circuit and a battery;
the heating waterway is provided with a water inlet and a water outlet, the water inlet is communicated with an external tap water pipeline, and the water outlet is communicated with water using equipment through a pipeline; the heating waterway also comprises a first water tank and a second water tank; the first water tank and the second water tank can be combined into an integrated water tank; the first water tank and the second water tank can also be respectively and independently arranged and are communicated through a connecting pipeline; the water inlet, the first water tank, the second water tank and the water outlet form a serial waterway;
the heating component of the first electric heating device is arranged in the first water tank of the heating water path, the heating component of the first electric heating device is contacted with fluid in the first water tank, the first terminal of the first electric heating device is electrically connected with the cathode of the battery, and the second terminal of the first electric heating device is electrically connected with the first relay;
the first relay comprises a first switch and a first electromagnetic coil, the first switch is a normally open switch, one end of the first switch is connected with the second wiring end of the first electric heating device, the other end of the first switch is connected with the anode of the battery, one end of the first electromagnetic coil is connected with the cathode of the battery, and the other end of the first electromagnetic coil is electrically connected with the fourth relay;
the heating part of the second electric heating device is arranged in a second water tank of the heating water path, the heating part of the second electric heating device is contacted with fluid in the second water tank, a first terminal of the second electric heating device is electrically connected with a zero line of commercial power, and a second terminal of the second electric heating device is electrically connected with a second relay;
the second relay comprises a second switch and a second electromagnetic coil, the second switch is a normally open switch, one end of the second switch is connected with a second wiring end of the second electric heating device, the other end of the second switch is connected with a live wire of a mains supply, one end of the second electromagnetic coil is connected with a negative electrode of the battery, and the other end of the second electromagnetic coil is electrically connected with the fourth relay;
the live wire input end of the charging circuit is electrically connected with the third relay, the zero line input end of the charging circuit is connected with the zero line of the commercial power, the positive pole of the output end of the charging circuit is connected with the positive pole of the battery, and the negative pole of the output end of the charging circuit is connected with the negative pole of the battery;
the third relay comprises a third switch and a third electromagnetic coil, the third switch is a normally closed switch, one end of the third switch is connected with the live wire input end of the charging circuit, the other end of the third switch is connected with the live wire of the commercial power, one end of the third electromagnetic coil is connected with the negative electrode of the battery, and the other end of the third electromagnetic coil is electrically connected with the fourth relay;
the fourth relay comprises a fourth switch and a fourth electromagnetic coil, the fourth switch is a normally open switch, one end of the fourth switch is connected with the anode of the battery, the other end of the fourth switch is a control connection end of the fourth switch, the first electromagnetic coil, the second electromagnetic coil and the third electromagnetic coil are all connected to the control connection end of the fourth switch, one end of the fourth electromagnetic coil is connected with the cathode of the battery, and the other end of the fourth electromagnetic coil is connected with the anode of the battery; and a manual switch and a water flow switch are connected in series in a connecting line between the fourth electromagnetic coil and the positive electrode of the battery, and a flow detection part of the water flow switch is arranged in the heating water channel, so that the water flow switch can be closed when the fluid in the heating water channel generates flow.
The working principle of the utility model is as follows:
the cold water enters from the external tap water pipeline through the water inlet of the heating waterway and fills the first water tank and the second water tank, so that the cold water flows out from the water outlet of the heating waterway, and the preparation work in the previous stage is finished. When the utility model discloses be in during the non-operating condition, because the effect of the third switch of third relay, live wire and the zero line of commercial power are inserted charging circuit simultaneously to charging circuit begins to charge to the battery. When a user manually closes the manual switch, the water consumption equipment is started, so that cold water in the heating water channel flows to the water consumption equipment to generate flow, the water flow switch is automatically closed due to the fact that the flow of the heating water channel is detected, the water flow switch and the manual switch are both in a closed state, two ends of a fourth electromagnetic coil of a fourth relay are respectively connected to the positive pole and the negative pole of the battery, the fourth electromagnetic coil generates a magnetic field due to electrification, so that two ends of a first electromagnetic coil of the first relay are respectively connected to the positive pole and the negative pole of the battery, two ends of a second electromagnetic coil of the second relay are respectively connected to the positive pole and the negative pole of the battery, and two ends of a third electromagnetic coil of the third relay are respectively connected to the positive pole and the negative pole of the battery, so that the first electromagnetic coil, the second electromagnetic coil and the third electromagnetic coil all generate a magnetic field due to the electrification, thereby causing the first switch to close, the second switch to close, and the third switch to open; the charging circuit stops supplying power to stop charging the battery due to the disconnection of the third switch; the first switch is closed, two poles of the first electric heating device are respectively connected to the anode and the cathode of the battery, and the first electric heating device starts to heat cold water in the first water tank; the second switch is closed, two terminals of the second electric heating device are respectively connected to a live wire and a zero wire of the mains supply, and the second electric heating device starts to heat cold water in the second water tank; when the first water tank and the second water tank of the heating waterway are combined into an integrated structure, the first electric heating device and the second electric heating device substantially heat cold water in the heating waterway at the same time; when the first water tank and the second water tank of the heating waterway are respectively and independently arranged and are communicated through the connecting pipeline, the first electric heating device and the second electric heating device are used for heating cold water in the heating waterway in a grading manner; and finally, the heated hot water flows into water using equipment from a water outlet of the heating waterway through a pipeline. When the user needs to use the water using equipment and does not need to heat the cold water, the manual switch is turned off manually. The utility model discloses compare with traditional electric water heater, under the same heating power demand condition, the utility model discloses an installed first electric heater spare additional and heated the cold water in heating water route to reduced the power demand of second electric heater spare, thereby caused the utility model discloses it is littleer to the electric current of commercial power demand than traditional electric water heater, thereby reduced the utility model discloses to the demand of circuit specification, make the utility model discloses an the installation degree of difficulty reduces.
Furthermore, the electric storage type electric water heater further comprises a temperature display screen, a temperature probe is mounted on the temperature display screen, a probe component of the temperature probe is arranged in a pipeline communicated with the water consumption device and the water outlet of the heating water path, the positive pole of the temperature display screen is connected with the control connecting end of the fourth switch of the fourth relay, and the negative pole of the temperature display screen is connected with the negative pole of the battery.
Further, in the electric storage type electric water heater as described above, a power regulator is provided in a connection line between the second terminal of the first electric heating device and the first switch of the first relay, and a power regulator is provided in a connection line between the second terminal of the second electric heating device and the second switch of the second relay.
Further, as described above, in the electric storage type electric water heater, the shells of the first water tank and the second water tank of the heating water path are both provided with the temperature control switches, each temperature control switch is connected in series in the connection line between the fourth electromagnetic coil and the positive electrode of the battery, and each temperature control switch is a normally closed switch.
Further, in the electric storage type electric water heater, an electric leakage plug is arranged in an access line of the commercial power.
Further, in the electric water heater of the above-mentioned electric storage type, a temperature limiter is provided in an access line of the commercial power, and a temperature limiter is provided in an output line of the battery, and the temperature limiter is a normally closed switch.
Further, in the electric storage type electric water heater as described above, a water flow regulating valve is disposed in a pipeline communicating a water inlet of the heating water path with an external tap water pipeline.
Further, in the electric storage type electric water heater, a partition wall device is arranged in a pipeline for communicating the water outlet of the heating water path with the water consumption equipment.
Further, in the electric storage type electric water heater, the shell of the first water tank and the shell of the second water tank of the heating waterway are both connected with the ground wire.
Realize the technical scheme of the utility model, following beneficial effect has: compared with the traditional electric water heater, the utility model has the advantages of large hot water yield, lower instantaneous electric power on the power supply circuit, no need of heat preservation and power consumption, low requirement on circuit specification, energy saving of the relative water storage type electric water heater by more than 50%, and the like.
Drawings
Fig. 1 is a schematic structural diagram of an electric storage type electric water heater according to an embodiment;
description of reference numerals:
1-a heating water path; 11-a first water tank; 12-a second water tank; 13-a water inlet; 14-a water outlet; 15-connecting a pipeline; 2-a first electrical heating device; 3-a second electrical heating device; 4-a first relay; 41-a first switch; 42-a first electromagnetic coil; 5-a second relay; 51-a second switch; 52-a second electromagnetic coil; 6-a fourth relay; 61-a fourth switch; 611-control connection end; 62-a fourth electromagnetic coil; 7-a third relay; 71-a third switch; 72-a third electromagnetic coil; 8-a charging circuit; 9-a battery; 100-temperature display screen; 101-temperature probe; 103-a manual switch; 104-water flow switch; 105-a power regulator; 106-water flow regulating valve; 107-an insulating wall means; 108-a temperature control switch; 109-leakage plug; 110-temperature limiter; 111-water using equipment.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is an electric storage type electric water heater of the embodiment, which comprises a heating water path 1, a first electric heating device 2, a second electric heating device 3, a first relay 4, a second relay 5, a third relay 7, a fourth relay 6, a charging circuit 8 and a battery 9;
the heating water path 1 is provided with a water inlet 13 and a water outlet 14, the water inlet 13 is communicated with an external tap water pipeline, and the water outlet 14 is communicated with a water using device 111 through a pipeline; the heating waterway 1 further comprises a first water tank 11 and a second water tank 12; the first water tank 11 and the second water tank 12 may be combined into an integrated water tank; the first water tank 11 and the second water tank 12 can also be arranged independently, and the first water tank 11 is communicated with the second water tank 12 through a connecting pipeline 15; the water inlet 13, the first water tank 11, the second water tank 12 and the water outlet 14 form a serial waterway; in the embodiment, the first water tank 11 and the second water tank 12 are respectively and independently arranged, the first water tank 11 is communicated with the second water tank 12 through a connecting pipeline 15, a water inlet 13 of the heating waterway 1 is arranged on the first water tank 11, and a water outlet 14 of the heating waterway 1 is arranged on the second water tank 12; the water-consuming equipment 111 in this embodiment is a shower head;
the heating component of the first electric heating device 2 is arranged in the first water tank 11 of the heating water path 1, the heating component of the first electric heating device 2 is contacted with fluid in the first water tank 11, the first terminal of the first electric heating device 2 is electrically connected with the negative pole of the battery 9, and the second terminal of the first electric heating device 2 is electrically connected with the first relay 4;
the first relay 4 comprises a first switch 41 and a first electromagnetic coil 42, the first switch 41 is a normally open switch, one end of the first switch 41 is connected with the second terminal of the first electric heating device 2, the other end of the first switch 41 is connected with the positive electrode of the battery 9, one end of the first electromagnetic coil 42 is connected with the negative electrode of the battery 9, and the other end of the first electromagnetic coil 42 is electrically connected with the fourth relay 6;
the heating part of the second electric heating device 3 is arranged in the second water tank 12 of the heating water path 1, the heating part of the second electric heating device 3 is contacted with the fluid in the second water tank 12, the first terminal of the second electric heating device 3 is electrically connected with the zero line of the commercial power, and the second terminal of the second electric heating device 3 is electrically connected with the second relay 5;
the second relay 5 comprises a second switch 51 and a second electromagnetic coil 52, the second switch 51 is a normally open switch, one end of the second switch 51 is connected with the second terminal of the second electric heating device 3, the other end of the second switch 51 is connected with the live wire of the mains supply, one end of the second electromagnetic coil 52 is connected with the negative electrode of the battery 9, and the other end of the second electromagnetic coil 52 is electrically connected with the fourth relay 6;
the live wire input end of the charging circuit 8 is electrically connected with the third relay 7, the zero line input end of the charging circuit 8 is connected with the zero line of the commercial power, the positive pole of the output end of the charging circuit 8 is connected with the positive pole of the battery 9, and the negative pole of the output end of the charging circuit 8 is connected with the negative pole of the battery 9;
the third relay 7 comprises a third switch 71 and a third electromagnetic coil 72, the third switch 71 is a normally closed switch, one end of the third switch 71 is connected with the live wire input end of the charging circuit 8, the other end of the third switch 71 is connected with the live wire of the commercial power, one end of the third electromagnetic coil 72 is connected with the negative electrode of the battery 9, and the other end of the third electromagnetic coil 72 is electrically connected with the fourth relay 6;
the fourth relay 6 comprises a fourth switch 61 and a fourth electromagnetic coil 62, the fourth switch 61 is a normally open switch, one end of the fourth switch 61 is connected with the positive pole of the battery 9, the other end of the fourth switch 61 is a control connection end 611 of the fourth switch 61, the first electromagnetic coil 42, the second electromagnetic coil 52 and the third electromagnetic coil 72 are all connected to the control connection end 611 of the fourth switch 61, one end of the fourth electromagnetic coil 62 is connected with the negative pole of the battery 9, and the other end of the fourth electromagnetic coil 62 is connected with the positive pole of the battery 9; a manual switch 103 and a water flow switch 104 are connected in series in a connection line between the fourth electromagnetic coil 62 and the positive electrode of the battery 9, and a flow rate detection part of the water flow switch 104 is provided in the heating water path 1 so that the water flow switch 104 can be closed when a flow rate of fluid in the heating water path 1 is generated. The flow rate detecting means of the water flow switch 104 of the present embodiment is disposed near the water outlet 14 of the heating water path 1.
The working principle of the utility model is as follows:
cold water enters from an external tap water pipe through the water inlet 13 of the heating waterway 1 to fill the first water tank 11 and the second water tank 12, so that the cold water flows out from the water outlet 14 of the heating waterway 1, and the previous preparation is completed. When the utility model discloses be in the unoperated state, because the effect of third switch 71 of third relay 7, the live wire and the zero line of commercial power are inserted charging circuit 8 simultaneously to charging circuit 8 begins to charge to battery 9. When a user manually closes the manual switch 103, the water consumption device 111 is turned on, so that the cold water in the heating water path 1 flows to the water consumption device 111 to generate a flow rate, at this time, the water flow switch 104 is automatically closed due to the detection of the flow rate of the heating water path 1, because the water flow switch 104 and the manual switch 103 are both in a closed state, both ends of the fourth electromagnetic coil 62 of the fourth relay 6 are respectively connected to the positive electrode and the negative electrode of the battery 9, the fourth electromagnetic coil 62 generates a magnetic field due to the energization to close the fourth switch 61, so that both ends of the first electromagnetic coil 42 of the first relay 4 are respectively connected to the positive electrode and the negative electrode of the battery 9, both ends of the second electromagnetic coil 52 of the second relay 5 are respectively connected to the positive electrode and the negative electrode of the battery 9, and both ends of the third electromagnetic coil 72 of the third relay 7 are respectively connected to the positive electrode and the negative electrode of the battery 9, thereby causing the first, second and third electromagnetic coils 42, 52, 72 to each generate a magnetic field upon energization, thereby causing the first switch 41 to close, the second switch 51 to close, and the third switch 71 to open; since the third switch 71 is turned off, the charging circuit 8 is stopped supplying power to stop charging the battery 9; because the first switch 41 is closed, two terminals of the first electric heating device 2 are respectively connected to the positive pole and the negative pole of the battery 9, and the first electric heating device 2 starts to heat the cold water in the first water tank 11; as the second switch 51 is closed, the two terminals of the second electric heating device 3 are respectively connected to the live wire and the zero wire of the mains supply, and the second electric heating device 3 starts to heat the cold water in the second water tank 12; when the first water tank 11 and the second water tank 12 of the heating waterway 1 are combined into an integrated structure, the first electric heating device 2 and the second electric heating device 3 substantially heat the cold water in the heating waterway 1 at the same time; when the first water tank 11 and the second water tank 12 of the heating waterway 1 are respectively and independently arranged and the first water tank 11 is communicated with the second water tank 12 through the connecting pipeline 15, the first electric heating device 2 and the second electric heating device 3 substantially perform graded heating on cold water in the heating waterway 1; the finally heated hot water flows from the water outlet 14 of the heating water path 1 into the water consumption device 111 through a pipeline. When the user needs to use the water using device 111 and does not need to heat the cold water, the manual switch 103 is simply turned off manually. The utility model discloses compare with traditional electric water heater, under the same heating power demand condition, the utility model discloses an installed first electric heater unit 2 additional and heated 1 cold water in heating water route to reduced second electric heater unit 3's power demand, thereby caused the utility model discloses it is littleer to the electric current of commercial power demand than traditional electric water heater, thereby reduced the utility model discloses to the demand of circuit specification, make the utility model discloses an the installation degree of difficulty reduces.
In order to make the structure of the electric storage type electric water heater more reasonable, as shown in fig. 1, the electric water heater further comprises a temperature display screen 100, a temperature probe 101 is installed on the temperature display screen 100, a probe component of the temperature probe 101 is arranged in a pipeline communicating a water outlet 14 of the heating water path 1 with the water using equipment 111, an anode of the temperature display screen 100 is connected with a control connection end 611 of a fourth switch 61 of the fourth relay 6, and a cathode of the temperature display screen 100 is connected with a cathode of the battery 9. This configuration allows the user to more intuitively understand the temperature of the fluid flowing out through the outlet 14 of the heating water path 1.
In order to make the structure of the electric storage type electric water heater more reasonable, as shown in fig. 1, a power regulator 105 is provided in a connection line between the second terminal of the first electric heating device 2 and the first switch 41 of the first relay 4, and a power regulator 105 is provided in a connection line between the second terminal of the second electric heating device 3 and the second switch 51 of the second relay 5. The user can adjust the heating power of the first electric heating device 2 and the second electric heating device 3 through the power regulator, so as to adjust the temperature of the fluid flowing out through the water outlet 14 of the heating water path 1.
In order to enhance the safety of the electric storage type electric water heater, as shown in fig. 1, temperature controlled switches 108 are mounted on the outer shells of the first water tank 11 and the second water tank 12 of the heating water path 1, each temperature controlled switch 108 is connected in series in a connection line between the fourth electromagnetic coil 62 and the positive electrode of the battery 9, and each temperature controlled switch 108 is a normally closed switch. When the temperature sensor of the temperature controlled switch 108 senses that the temperature of the outer shell of the first water tank 11 or the temperature of the outer shell of the second water tank 12 is higher than the upper temperature limit previously set by the temperature controlled switch 108, the corresponding temperature controlled switch 108 is turned off, so that the fourth electromagnetic coil 62 of the fourth relay 6 stops working, the fourth switch 61 is turned off, the first electric heating device 2 and the second electric heating device 3 stop working, and the electric storage type electric water heater is prevented from causing potential safety hazards due to overhigh temperature.
In order to enhance the safety of the electric storage type electric water heater, as shown in fig. 1, an earth leakage plug 109 is provided in an incoming line of the commercial power. The leakage plug 109 can prevent the electric leakage of the electric storage type electric water heater from damaging human body in the using process, thereby improving the safety of the electric storage type electric water heater.
In order to enhance the safety of the electric storage type electric water heater, as shown in fig. 1, a temperature limiter 110 is provided in an access line of the commercial power, and a temperature limiter 110 is provided in an output line of the battery 9, wherein the temperature limiter 110 is a normally closed switch. When the temperature of the cable of the line corresponding to the temperature limiter 110 is higher than the upper temperature limit previously set by the temperature limiter 110, the corresponding temperature limiter 110 is disconnected, so that the operation of the electric storage type water heater is stopped, and the potential safety hazard of the line due to the overhigh temperature is prevented.
In order to make the structure of the electric water heater more reasonable, as shown in fig. 1, a water flow regulating valve 106 is provided in a pipe connecting the water inlet 13 of the heating waterway 1 with an external tap water pipe. A user can adjust the water flow adjusting valve 106 according to the water demand, so as to adjust the flow rate of the fluid in the water inlet 13 of the heating waterway 1 in unit time; meanwhile, the structure can disconnect the external tap water pipeline from the heating water channel 1 through the water flow regulating valve 106, so that the electric storage type electric water heater is convenient to mount and dismount and convenient to maintain.
In order to make the structure of the electric storage type electric water heater more reasonable, as shown in the figure, a partition wall device 107 is provided in a pipeline which communicates the water outlet 14 of the heating water path 1 with the water using equipment 111. The function of the partition wall device 107 is to make the pipeline of the water outlet 14 of the heating water path 1 and the pipeline of the water-using equipment 111 be fittingly installed and connected, and to cut off the metal conductor connection between the pipeline of the heating water path 1 and the pipeline of the water-using equipment 111, thereby reducing the voltage of the pipeline of the water-using equipment 111 when electricity leaks.
In order to enhance the safety of the electric storage type electric water heater, as shown in fig. 1, the housing of the first water tank 11 and the housing of the second water tank 12 of the heating water path 1 are both connected to the ground. The structure prevents the electricity storage type electric water heater from generating electricity leakage in the using process to hurt human bodies, thereby improving the safety of the electricity storage type electric water heater.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. Electric storage type electric water heater, its characterized in that: the device comprises a heating water path, a first electric heating device, a second electric heating device, a first relay, a second relay, a third relay, a fourth relay, a charging circuit and a battery;
the heating waterway is provided with a water inlet and a water outlet, the water inlet is communicated with an external tap water pipeline, and the water outlet is communicated with water using equipment through a pipeline; the heating waterway also comprises a first water tank and a second water tank; the first water tank and the second water tank can be combined into an integrated water tank; the first water tank and the second water tank can also be respectively and independently arranged and are communicated through a connecting pipeline; the water inlet, the first water tank, the second water tank and the water outlet form a serial waterway;
the heating component of the first electric heating device is arranged in the first water tank of the heating water path, the heating component of the first electric heating device is contacted with fluid in the first water tank, the first terminal of the first electric heating device is electrically connected with the cathode of the battery, and the second terminal of the first electric heating device is electrically connected with the first relay;
the first relay comprises a first switch and a first electromagnetic coil, the first switch is a normally open switch, one end of the first switch is connected with the second wiring end of the first electric heating device, the other end of the first switch is connected with the anode of the battery, one end of the first electromagnetic coil is connected with the cathode of the battery, and the other end of the first electromagnetic coil is electrically connected with the fourth relay;
the heating part of the second electric heating device is arranged in a second water tank of the heating water path, the heating part of the second electric heating device is contacted with fluid in the second water tank, a first terminal of the second electric heating device is electrically connected with a zero line of commercial power, and a second terminal of the second electric heating device is electrically connected with a second relay;
the second relay comprises a second switch and a second electromagnetic coil, the second switch is a normally open switch, one end of the second switch is connected with a second wiring end of the second electric heating device, the other end of the second switch is connected with a live wire of a mains supply, one end of the second electromagnetic coil is connected with a negative electrode of the battery, and the other end of the second electromagnetic coil is electrically connected with the fourth relay;
the live wire input end of the charging circuit is electrically connected with the third relay, the zero line input end of the charging circuit is connected with the zero line of the commercial power, the positive pole of the output end of the charging circuit is connected with the positive pole of the battery, and the negative pole of the output end of the charging circuit is connected with the negative pole of the battery;
the third relay comprises a third switch and a third electromagnetic coil, the third switch is a normally closed switch, one end of the third switch is connected with the live wire input end of the charging circuit, the other end of the third switch is connected with the live wire of the commercial power, one end of the third electromagnetic coil is connected with the negative electrode of the battery, and the other end of the third electromagnetic coil is electrically connected with the fourth relay;
the fourth relay comprises a fourth switch and a fourth electromagnetic coil, the fourth switch is a normally open switch, one end of the fourth switch is connected with the anode of the battery, the other end of the fourth switch is a control connection end of the fourth switch, the first electromagnetic coil, the second electromagnetic coil and the third electromagnetic coil are all connected to the control connection end of the fourth switch, one end of the fourth electromagnetic coil is connected with the cathode of the battery, and the other end of the fourth electromagnetic coil is connected with the anode of the battery; and a manual switch and a water flow switch are connected in series in a connecting line between the fourth electromagnetic coil and the positive electrode of the battery, and a flow detection part of the water flow switch is arranged in the heating water channel, so that the water flow switch can be closed when the fluid in the heating water channel generates flow.
2. The electric storage type electric water heater according to claim 1, wherein: the temperature control device is characterized by further comprising a temperature display screen, wherein a temperature probe is installed on the temperature display screen, a probe part of the temperature probe is arranged in a pipeline communicated with the water outlet of the heating water path and the water consumption equipment, the positive pole of the temperature display screen is connected with the control connecting end of a fourth switch of a fourth relay, and the negative pole of the temperature display screen is connected with the negative pole of the battery.
3. The electric storage type electric water heater according to claim 1, wherein: a power regulator is arranged in a connecting circuit between the second terminal of the first electric heating device and the first switch of the first relay, and a power regulator is arranged in a connecting circuit between the second terminal of the second electric heating device and the second switch of the second relay.
4. The electric storage type electric water heater according to claim 1, wherein: temperature control switches are installed on shells of the first water tank and the second water tank of the heating water path, and are all connected in series in a connecting circuit between the fourth electromagnetic coil and the positive pole of the battery, and are normally closed switches.
5. The electric storage type electric water heater according to claim 1, wherein: and a leakage plug is arranged in an access circuit of the mains supply.
6. The electric storage type electric water heater according to claim 1, wherein: a temperature limiter is arranged in an access circuit of a mains supply, a temperature limiter is arranged in an output circuit of the battery, and the temperature limiter is a normally closed switch.
7. The electric storage type electric water heater according to claim 1, wherein: a water flow regulating valve is arranged in a pipeline communicated with an external tap water pipeline at a water inlet of the heating waterway.
8. The electric storage type electric water heater according to claim 1, wherein: an insulating wall device is arranged in a pipeline for communicating the water outlet of the heating waterway with water equipment.
9. The electric storage type electric water heater according to claim 1, wherein: the shell of the first water tank and the shell of the second water tank of the heating water path are both connected with the ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936984.XU CN214665177U (en) | 2021-05-08 | 2021-05-08 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936984.XU CN214665177U (en) | 2021-05-08 | 2021-05-08 | Electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214665177U true CN214665177U (en) | 2021-11-09 |
Family
ID=78473781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120936984.XU Active CN214665177U (en) | 2021-05-08 | 2021-05-08 | Electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214665177U (en) |
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2021
- 2021-05-08 CN CN202120936984.XU patent/CN214665177U/en active Active
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