CN219589156U - Low-voltage instant heating type water heating device - Google Patents
Low-voltage instant heating type water heating device Download PDFInfo
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- CN219589156U CN219589156U CN202223498539.3U CN202223498539U CN219589156U CN 219589156 U CN219589156 U CN 219589156U CN 202223498539 U CN202223498539 U CN 202223498539U CN 219589156 U CN219589156 U CN 219589156U
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- hot water
- water tank
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- inner cavity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims 6
- 238000005485 electric heating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a low-voltage instant heating type water heating device, which comprises a shell with a cavity structure, wherein a hot water tank, a transformer, a relay, a controller and a controller power supply module for supplying power to the controller are fixedly arranged in an inner cavity of the shell; the inside of the hot water tank is of a cavity structure, and a water outlet and a water inlet which are communicated with the inner cavity of the hot water tank are arranged on the hot water tank; the inner cavity of the hot water tank is fixedly provided with a pure resistor, two ends of the pure resistor are respectively and electrically connected with a normally open contact of the relay and the positive electrode and the negative electrode of the output end of the transformer, and the output voltage of the output end of the transformer is less than or equal to 36V; the control end of the relay is electrically connected with the control output end of the controller; the utility model uses the safe and ultra-low voltage power converted by high voltage to ensure the power consumption safety in the hot water process, so that the resistor is exposed in the water for direct heating, and the purposes of reducing the number of the resistor and reducing the unit electric power under the same condition as the prior art can be achieved, and the heat efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of electric water heaters, in particular to a low-voltage instant heating type water heating device.
Background
The current electric water heater mostly adopts high-voltage power supply such as 220V household electricity, and the northern coal is changed into each household heat energy power supply and the commercial district heat energy power supply mostly adopts high-voltage power supply 380V and the like, when the electric water heater adopts the high-voltage power supply, the electric water heater is easy to age, carbonize interface contact and destroy sealing insulation of a circuit line after long-term use, and is easy to cause electric leakage accidents, even fire accidents and the like; in addition, when the heating power supply is a high-voltage power supply, in order to improve safety, an insulating protection layer such as an insulating oil layer is covered on the surface of the conductive resistance heating element, so that the heating element is heated to be limited, and the heat efficiency is not fully improved.
Disclosure of Invention
In order to solve the problems that in the prior art, when high-voltage power supply hot water is adopted, electric leakage accidents are easy to occur, and safety accidents such as electric shock and fire disaster are caused; the utility model provides a low-voltage instant heating type water heater, which is characterized in that the surface of a heating element, namely a resistor, is covered with an insulating protection layer, so that the technical problems of low heat efficiency and the like are solved.
The technical scheme for solving the technical problems is as follows:
the low-voltage instant heating type water heating device comprises a shell with a cavity structure, wherein a hot water tank, a transformer, a relay, a controller and a controller power supply module for supplying power to the controller are fixedly arranged in an inner cavity of the shell;
the inside of the hot water tank is of a cavity structure, and a water outlet and a water inlet communicated with the inner cavity of the hot water tank are arranged on the hot water tank; the inner cavity of the hot water tank is fixedly provided with a pure resistor, two ends of the pure resistor are respectively and electrically connected with a normally open contact of the relay and the positive electrode and the negative electrode of the output end of the transformer, and the output voltage of the output end of the transformer is smaller than or equal to 36V;
and the control end of the relay is electrically connected with the control output end of the controller.
The beneficial effects of the utility model are as follows:
the high-voltage power supply is characterized in that a transformer with a safety isolation function is used for converting high-voltage power into safe extra-low voltage power of 36V or below to form a safety voltage circuit, and a heating body works by adopting low voltage of 36V or below after the voltage of the transformer is reduced, so that the power supply is safe to use, energy-saving and environment-friendly; the pure resistor exposed in the water is arranged in the hot water tank, the pure resistor is utilized to directly heat the water in the hot water tank, insulating substances which are covered on the surface of the pure resistor or insulating substances which are arranged between the pure resistor and the water in order to ensure the safety coefficient in the heating process in the prior art are eliminated, so that the insulating substances are reduced, the direct contact between the resistor and the water is used for heat transfer, the heat conductivity is improved, the purpose of energy saving is achieved, and meanwhile, compared with the traditional heating under the same condition, the use quantity of the pure resistor can be reduced, and the investment cost is reduced. The hot water tank stores and heats water, is favorable to heating and the temperature of the water that supplies heat is stable continually, also saves the outside heat preservation water tank that increases in traditional hot water system to manufacturing cost has further been reduced.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, an insulating plate is fixedly arranged in the inner cavity of the shell, and the inner cavity of the shell is divided into a first cavity and a second cavity by the insulating plate; the transformer, the relay, the controller and the controller power supply module are all positioned in the first cavity; the hot water tank is located in the second cavity.
The beneficial effect of adopting above-mentioned further scheme is, will through the insulation board the transformer the relay the controller and controller power module carries out the space with the hot-water tank and cuts apart, is favorable to guaranteeing the security of electrical component at the heating process.
Further, a temperature sensor for detecting the temperature of water in the inner cavity of the hot water tank is arranged on the hot water tank, a power input end of the temperature sensor is electrically connected with a power output end of the controller power supply module, and a signal output end of the temperature sensor is electrically connected with a signal input end of the controller.
The adoption of the further scheme has the beneficial effects that the temperature sensor is arranged to be favorable for detecting the water temperature in the inner cavity of the hot water tank, and the controller acquires the temperature signal acquired by the temperature sensor and controls the relay, so that the on-off of the pure resistor in the hot water tank and the transformer is controlled.
Further, the controller is a PLC controller.
Further, the hot water tank is a stainless steel tank body.
Further, the display screen is further embedded on the outer surface of the shell, the power supply input end of the display screen is electrically connected with the power supply output end of the controller power supply module, and the display signal input end of the display screen is electrically connected with the display signal output end of the controller.
The further scheme has the beneficial effect that the control condition of the controller and the temperature condition of water in the hot water tank can be visually displayed through the display screen.
Further, a window communicated with the inner cavity of the shell is formed in the shell, a window door is arranged at the window, one side of the window door is hinged with the shell, and the display screen is arranged on the window door.
The electric device in the shell is convenient to overhaul and maintain through the window.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
fig. 2 is a front view of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises a shell, 2, a hot water tank, 3, an insulating plate, 4, a relay, 5, a transformer, 6, a controller power supply module, 7, a controller, 8, a pure resistor, 9, a temperature sensor, 10, a water outlet, 11, a water inlet, 12 and a display screen.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1, the embodiment provides a low-voltage instant heating type water heating device, which comprises a shell 1 with a cavity structure, wherein a hot water tank 2, a transformer 5, a relay 4, a controller 7 and a controller power supply module 6 for supplying power to the controller 7 are fixedly arranged in an inner cavity of the shell 1; the inside of the hot water tank 2 is of a cavity structure, and the hot water tank 2 is provided with a water outlet 10 and a water inlet 11 which are communicated with the inner cavity of the hot water tank 2; the inner cavity of the hot water tank 2 is fixedly provided with a pure resistor 8, two ends of the pure resistor 8 are respectively and electrically connected with a normally open contact of the relay 4 and the positive electrode and the negative electrode of the output end of the transformer 5 through leads, and the output voltage of the output end of the transformer 5 is less than or equal to 36V; the control end of the relay 4 is electrically connected with the control output end of the controller 7 through a wire. The controller power supply module 6 can be a Siemens S7-400PLC power supply module. An insulating plate 3 is fixedly arranged in the inner cavity of the shell 1, and the inner cavity of the shell 1 is divided into a first cavity and a second cavity by the insulating plate 3; the transformer 5, the relay 4, the controller 7 and the controller power supply module 6 are all positioned in the first cavity; the hot water tank 2 is located in the second cavity. The power input end of the transformer 5 can be directly connected with civil electricity or industrial electricity, such as 220V civil electricity, 380V industrial electricity and the like. The input voltage of the controller power supply module 6 may be the output voltage of the transformer 5, or may be 220V domestic power, 380V industrial power, or the like.
The transformer 5, the relay 4, the controller 7 and the controller power supply module 6 are all fixedly connected with the housing 1 through screws, specifically, an electrical component mounting plate can be fixed in the first cavity of the housing 1 through screws, and the transformer 5, the relay 4, the controller 7 and the controller power supply module 6 are all fixed on the electrical component mounting plate with the housing 1 through screws.
The hot water tank 2 is provided with a temperature sensor 9 for detecting the temperature of water in the inner cavity of the hot water tank 2, the power input end of the temperature sensor 9 is electrically connected with the power output end of the controller power supply module 6 through a wire, and the signal output end of the temperature sensor 9 is electrically connected with the signal input end of the controller 7 through a wire. The temperature sensor 9 is arranged to be favorable for detecting the water temperature in the inner cavity of the hot water tank 2 through the temperature sensor 9, and the controller 7 acquires the temperature signal acquired by the temperature sensor 9 and controls the relay 4, so that the on-off of the pure resistor 8 in the hot water tank 2 and the transformer 5 is controlled.
The outer surface of the shell 1 is also embedded with a display screen 12, a power supply input end of the display screen 12 is electrically connected with a power supply output end of the controller power supply module 6, and a display signal input end of the display screen 12 is electrically connected with a display signal output end of the controller 7. By providing the display screen 12, the control condition of the controller 7 and the temperature condition of the water in the hot water tank 2 can be visually displayed.
As shown in fig. 2, a window connected with the inner cavity of the housing 1 is provided on the housing 1, a door is provided at the window, one side of the door is hinged with the housing 1, and the display screen 12 is disposed on the door. By providing the window, it is convenient to overhaul and maintain the electrical device in the shell 1 through the window.
The related content such as PLC control application in books "electric control and PLC technology" published by the university of Qinghai press in 05 months of 2017 is known. The PLC controller is utilized to acquire the data of the sensor, and the connection and disconnection of the contacts of the relay are controlled by the acquired data, so that the utility model does not relate to the improvement of a computer program.
According to the embodiment of the utility model, the transformer 5 with the safety isolation function converts high voltage into high-voltage and low-voltage power 36V or below to form a safety voltage circuit, the heating body works by adopting low voltage of 36V or below after the voltage is reduced by the transformer, and the space of the transformer 5, the relay 4, the controller 7 and the controller power supply module 6 and the hot water tank 2 is divided by the insulating plate 3, so that the safety of electric elements in the heating process is guaranteed. The pure resistor 8 exposed in the water is arranged in the hot water tank 2, the pure resistor 8 is utilized to directly heat the water in the hot water tank 2, insulating substances which are covered on the surface of the pure resistor 8 or insulating substances which are arranged between the pure resistor 8 and the water in order to ensure the safety coefficient in the heating process in the prior art are omitted, so that the insulating substances are reduced, the direct contact between the resistor and the water is beneficial to improving the heat conductivity, the purpose of saving energy is achieved, and meanwhile, compared with the traditional heating under the same condition, the use quantity of the pure resistor 8 can be reduced, and the investment cost is reduced. The hot water tank 2 stores and heats water, so that the temperature of the water favorable for heating and supplying heat is stable continuously, and a heat preservation water tank added outside in a traditional hot water device is omitted, so that the manufacturing cost is further reduced.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A low-voltage instant heating type water heating device is characterized in that: the intelligent electric heating device comprises a shell (1) with a cavity structure inside, wherein a hot water tank (2), a transformer (5), a relay (4), a controller (7) and a controller power supply module (6) for supplying power to the controller (7) are fixedly arranged in an inner cavity of the shell (1);
the inside of the hot water tank (2) is of a cavity structure, and the hot water tank (2) is provided with a water outlet (10) and a water inlet (11) which are communicated with the inner cavity of the hot water tank (2); the inner cavity of the hot water tank (2) is fixedly provided with a pure resistor (8), two ends of the pure resistor (8) are respectively and electrically connected with a normally open contact of the relay (4) and the positive electrode and the negative electrode of the output end of the transformer (5), and the output voltage of the output end of the transformer (5) is less than or equal to 36V;
the control end of the relay (4) is electrically connected with the control output end of the controller (7).
2. The low voltage instant heating water heating apparatus of claim 1 wherein: an insulating plate (3) is fixedly arranged in the inner cavity of the shell (1), and the inner cavity of the shell (1) is divided into a first cavity and a second cavity by the insulating plate (3); the transformer (5), the relay (4), the controller (7) and the controller power supply module (6) are all positioned in the first cavity; the hot water tank (2) is positioned in the second cavity.
3. The low voltage instant heating water heating apparatus of claim 1 wherein: the hot water tank (2) is provided with a temperature sensor (9) for detecting the temperature of water in the inner cavity of the hot water tank (2), the power input end of the temperature sensor (9) is electrically connected with the power output end of the controller power supply module (6), and the signal output end of the temperature sensor (9) is electrically connected with the signal input end of the controller (7).
4. The low voltage instant heating water heating apparatus of claim 1 wherein: the controller (7) is a PLC controller.
5. The low voltage instant heating water heating apparatus of claim 1 wherein: the hot water tank (2) is a stainless steel tank body.
6. The low voltage instant heating water apparatus of any of claims 1 to 5 wherein: the display screen (12) is further embedded on the outer surface of the shell (1), the power supply input end of the display screen (12) is electrically connected with the power supply output end of the controller power supply module (6), and the display signal input end of the display screen (12) is electrically connected with the display signal output end of the controller (7).
7. The low voltage instant heating water apparatus of claim 6 wherein: the novel window is characterized in that a window communicated with the inner cavity of the shell (1) is formed in the shell (1), a window door is arranged at the window, one side of the window door is hinged with the shell (1), and the display screen (12) is arranged on the window door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223498539.3U CN219589156U (en) | 2022-12-27 | 2022-12-27 | Low-voltage instant heating type water heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223498539.3U CN219589156U (en) | 2022-12-27 | 2022-12-27 | Low-voltage instant heating type water heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589156U true CN219589156U (en) | 2023-08-25 |
Family
ID=87665740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223498539.3U Active CN219589156U (en) | 2022-12-27 | 2022-12-27 | Low-voltage instant heating type water heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589156U (en) |
-
2022
- 2022-12-27 CN CN202223498539.3U patent/CN219589156U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610065 No. 310, floor 3, building 1-2, No. 69, Junlong street, Jinjiang District, Chengdu, Sichuan Patentee after: Sichuan Lvyang Gongying Technology Group Co.,Ltd. Country or region after: China Address before: 610065 No. 310, floor 3, building 1-2, No. 69, Junlong street, Jinjiang District, Chengdu, Sichuan Patentee before: SICHUAN LVYANG GONGYING ENERGY TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |