CN204923410U - Electric water heater - Google Patents
Electric water heater Download PDFInfo
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- CN204923410U CN204923410U CN201520185605.2U CN201520185605U CN204923410U CN 204923410 U CN204923410 U CN 204923410U CN 201520185605 U CN201520185605 U CN 201520185605U CN 204923410 U CN204923410 U CN 204923410U
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- temperature sensor
- heater
- water tank
- temperature
- water
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Abstract
The utility model discloses an electric water heater, electric water heater includes water tank, heating device, a temperature sensor, the 2nd temperature sensor and controller, the 2nd temperature sensor with a temperature sensor is corresponding to be located two positions of upper and lower spaced of water tank, heating device includes the primary heater, the controller basis the falling speed of a temperature sensor determine's temperature controls primary heater work, when user's water, the inlet tube to water injection in the water tank is located the below a temperature sensor at first detects the decline of temperature, so that controller in time control is opened the primary heater is with right water in the water tank heats, avoids the temperature of the lower part of water tank is too low, the hydrothermal temperature of the follow -up supply of electric water heater is unstable, and influences the comfort level that the user used.
Description
Technical field
The utility model relates to household electrical appliance technical field, particularly relates to a kind of electric heater.
Background technology
Current storage-type electric water heater adopts electric water heater heating mostly, set required water temperature before use, when water temperature reaches preset water temperature, (described attemperating unit is located at a certain ad-hoc location in described water tank to the attemperating unit of electric heater, such as be arranged on the middle part of inner bag) control to disconnect the power supply of electric heater, stop heating, after water temperature is reduced to uniform temperature, the attemperating unit of electric heater restarts electric heater and heats, and moves in circles according to this.Due to the free convection characteristic of water, in heating and user's use procedure, water in inner bag is all layering (top hot water, bottom cold water), when user uses, first the hot water at the top of inner bag discharge outside courage, the hot water of bottom can supplement the top into inner bag, therefore, inner bag attemperating unit induction temperature need the long period after just can be reduced to certain value, then start electric heater and carry out work, like this, electric heater is started more late, and the hot water amount making electric heater export is less, the demand of user can not be met.
Currently make heater starting work in order to realize as early as possible when user's water, conventional have two kinds of methods:
A kind of is increase temperature sensor in the outlet pipe position of electric heater, utilize the variations in temperature of outlet pipe position to judge user whether with water, thus start heater work, this control method, conduct heat because outlet pipe position is working of plastics slow, meanwhile, use a temperature sensor effectively can not judge the various situations of change of water temperature in inner bag, be easy to cause erroneous judgement.
Another kind method is, increases flow sensor in water inlet pipe front end, and when user has water demand, can sense in time and control heater work, the shortcoming of this control mode is, water flow sensor cost is high, and volume is comparatively large simultaneously, also haves much room for improvement.
Utility model content
Main purpose of the present utility model is to provide a kind of electric heater, is intended to solve the problem that the heating starting of current electric heater is slow.
For arriving above-mentioned technical purpose, the utility model provides a kind of electric heater, described electric heater comprises water tank, heater, first temperature sensor, second temperature sensor and controller, described second temperature sensor and described first temperature sensor correspondence be located at described water tank between the upper and lower every two positions, to detect the water temperature at the different depth place in described water tank, described heater is located in described water tank, described controller and described heater, described first temperature sensor and described second temperature sensor are electrically connected, in order to the temperature value detected according to described first temperature sensor and described second temperature sensor, control described heater work, described heater comprises primary heater, the decrease speed of the temperature that described controller detects according to described first temperature sensor, control described primary heater work.
Preferably, described water tank comprise along the bottom of trisection on the depth direction of the inner chamber of described water tank, middle part and top.
Preferably, the bottom of described water tank is located at by described primary heater and the first temperature sensor, and the middle part of described water tank is located at by described second temperature sensor.
Preferably, described primary heater and described first temperature sensor are arranged near the bottom of described water tank.
Preferably, described heater also comprises secondary heater, and described secondary heater is located at the middle part of described water tank, and described controller is also electrically connected with described secondary heater, in order to the temperature value according to described second temperature sensor, control described secondary heater work.
Preferably, the outer surface of described water tank is located at by described first temperature sensor.
Preferably, described electric heater also comprises and stretches in described water tank and be positioned at the heat-transfer pipe at the middle part of described water tank, and described second temperature sensor is located in described heat-transfer pipe.
Preferably, described electric heater also comprises three-temperature sensor, described three-temperature sensor is located at the top of described water tank, described controller and described three-temperature sensor are electrically connected, in order to also according to the temperature value that described three-temperature sensor detects, control described secondary heater work.
Preferably, described heater also comprises the 3rd heater being located at described top, and described controller and described 3rd heater are electrically connected, and in order to the temperature value according to described three-temperature sensor, controls described 3rd heater work.
Preferably, described three-temperature sensor is located at the appearance of described water tank.
The electric heater that the utility model provides comprises water tank, heater, first temperature sensor, second temperature sensor and controller, described second temperature sensor and described first temperature sensor correspondence be located at described water tank between the upper and lower every two positions, to detect the water temperature at the different depth place in described water tank, described heater is located in described water tank, described controller and described heater, described first temperature sensor and described second temperature sensor are electrically connected, in order to the temperature value detected according to described first temperature sensor and described second temperature sensor, control described heater work, described heater comprises primary heater, the decrease speed of the temperature that described controller detects according to described first temperature sensor, control described primary heater work, when user's water, described water inlet pipe is to water filling in described water tank, be positioned at the decline of described first temperature sensor in below first detected temperatures, can control in time to make described controller to open described primary heater, to heat to the water in described water tank, avoid the water temperature of the bottom of described water tank too low, the temperature of the hot water of the follow-up supply of described electric heater is unstable, and affect the comfort level of user's use.
Accompanying drawing explanation
The schematic diagram of one embodiment of the electric heater that Fig. 1 provides for the utility model;
Fig. 2 is the schematic flow sheet of the heating means of electric heater shown in Fig. 1.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of electric heater, one embodiment of the electric heater that Fig. 1 provides for the utility model, the flow chart of the heating means of the electric heater that Fig. 2 provides for Fig. 1, refer to Fig. 1 to Fig. 2, described electric heater 100 comprises shell 1 and water tank 2, described water tank 2 is in order to store hot water, water in described water tank 2 is that layer distributed is embodied in: the temperature being positioned at the water of the upper position of described water tank 2, higher than the temperature of water of the position being on the lower positioned at described water tank 2, also namely show as upper heat and lower cold.Described water tank 2 is provided with water inlet pipe 21 and outlet pipe 22, described water inlet pipe 21 stretches to the top of the inner chamber of described water tank 2 from the bottom of described water tank 2, to discharge the hot water on the upper strata in described water tank 2, described outlet pipe 22 stretches to the inner chamber of described water tank 2 and arranges near the bottom of described water tank 2 from described bottom, to supply external water source (be generally running water and temperature is lower) to described water tank 2.
Described electric heater 100 also comprises heater (in the present embodiment, described heater comprises 31,32 and 33), the first temperature sensor 41, second temperature sensor 42 and controller 5.Described second temperature sensor 42 and described first temperature sensor 41 correspondence be located at described water tank 2 between the upper and lower every two positions also namely layering arrange, to detect the water temperature at the different depth place in described water tank 2, wherein, the position of described second temperature sensor 42 can the position of temperature sensor in electric heater traditionally be arranged, and the below that the design is equivalent to the second temperature sensor 42 arranged in tradition sets up described first temperature sensor 41 again.
Described heater is located in described water tank 2, described controller 5 is electrically connected with described heater, described first temperature sensor 41 and described second temperature sensor 42, in order to the temperature value detected according to described first temperature sensor 41 and described second temperature sensor 42, control described heater work, described heater comprises primary heater 31, described heater only can arrange described primary heater 31, and the position of described primary heater 31 can be the same with current electric heater.The decrease speed of the temperature that described controller 5 detects according to described first temperature sensor 41, controls described primary heater 31 and works.
When user opens the water route switch of described outlet pipe 22, the hot water on the upper strata of described water tank 2 is exported by described outlet pipe 22, simultaneously, cold water from outside enters described water tank 2 by described water inlet pipe 21, water in described water tank 2 from the bottom to top and gradually temperature reduces gradually, the temperature of the water of the below also namely in described water tank 2 first declines, at leisure, the temperature being positioned at the water of middle and upper part in described water tank 2 also declines gradually, therefore, be positioned at described first temperature sensor 41 of the below of described second temperature sensor 42, the decline of the water temperature in described water tank 2 is first sensed than described second temperature sensor 42, and produce sensing signal, described controller 5 determines user's use water according to the temperature drop speed that described first temperature sensor 41 analyzed by described sensing letter and whether opens described outlet pipe 22 (when the temperature drop speed of described first temperature sensor 41 is excessive, show have cold water to inject and hot water output), thus, can in time while cold water be mixed into, and open described primary heater 31 as soon as possible and heat, and then, can heat the water in described water tank 2 in time, avoid the water temperature of the bottom of described water tank 2 too low, the temperature of the hot water of the follow-up supply of described electric heater is unstable, and affect the comfort level of user's use.
In the present embodiment, described water tank 2 comprises along the bottom of trisection on the depth direction of the inner chamber of described water tank 2, middle part and top, obviously, the design is not limited thereto, described bottom, described middle part and described top also can according to other ratio cut partitions, and the division on described bottom, described middle part and described top is relevant with the speed etc. that discharges water with the water inlet of the temperature at the size of described water tank 2, external water source, described water tank 2.
In the present embodiment, the bottom of described water tank 2 is located at by described primary heater 31 and the first temperature sensor 41, the middle part of described water tank 2 is located at by described second temperature sensor 42, wherein, described first temperature sensor 41 is the closer to the bottom of described water tank 2, more can sense described water tank 2 as early as possible and inject cold water from described water inlet pipe 21, more can control described primary heater 31 by described controller 5 as early as possible to heat the water in described water tank 2, therefore, in the present embodiment, particularly, described primary heater 31 and described first temperature sensor 41 are arranged near the bottom of described water tank 2.
Particularly, in the present embodiment, for convenience of the installation of described first temperature sensor 41, the outer surface of described water tank 2 is located at by described first temperature sensor 41, for ensureing the accuracy of the water temperature that described second temperature sensor 42 detects, described electric heater 100 also comprises and stretches in described water tank 2 and be positioned at the heat-transfer pipe 6 at the middle part of described water tank 2, and described second temperature sensor 42 is located in described heat-transfer pipe 6.Obviously, the design is not limited thereto, similarly, the accuracy of the water temperature in described water tank 2 is detected in order to strengthen described first temperature sensor 41, described first temperature sensor 41 also can be located at the inside of described water tank 2, and particularly, described first temperature sensor 41 can be located at the inside of described water tank 2 and be positioned at the heat-transfer pipe of the bottom of described water tank 2, in addition, for convenience of the installation of described second temperature sensor 42, described second temperature sensor 42 also can be located at the outer surface of described water tank 2.
In the present embodiment, described heater also comprises secondary heater 32, described secondary heater 32 is located at the middle part of described water tank 2, described controller 5 is also electrically connected with described secondary heater 32, in order to the temperature value according to described second temperature sensor 42, control described secondary heater 32 and work, particularly, when the temperature value of described second temperature sensor 42 is too low, described controller 5 controls described secondary heater 32 and heats.Thus, first can open the water of described primary heater 31 to the bottom of described water tank 2 to heat, then, open the water of described secondary heater 32 to the middle part of described water tank 2 to heat, to carry out leveled heating to the water in described water tank 2, to ensure the stability of the water temperature of each layer in described water tank 2, thus ensure the stability of the temperature of the hot water that described electric heater 100 is supplied.
In the present embodiment, described electric heater 100 also comprises three-temperature sensor 43, described three-temperature sensor 43 is located at the top of described water tank 2, described controller 5 is electrically connected with described three-temperature sensor 43, in order to also according to the temperature value that described three-temperature sensor 43 detects, control described secondary heater 32 and work.Thus, when water temperature over-high in the top that described three-temperature sensor 43 detects the described water tank 2 obtained, described second temperature sensor 42 can be controlled and stop heating, to play the effect of safety guarantee.
In addition, in the present embodiment, described heater also comprises the 3rd heater (not shown) being located at described top, described controller 5 is electrically connected with described 3rd heater, in order to the temperature value according to described three-temperature sensor 43, control described 3rd heater work, particularly, when described three-temperature sensor 43 detects that the water temperature on the top of described water tank 2 is lower lower than a certain setting value, described controller 5 controls described 3rd heater and heats, make the level of the heating in described water tank 2 more (three layers), thus, the stability of the water temperature of each layer in described water tank 2 can be strengthened further, thus, the stability of the temperature of the hot water that the described electric heater 100 of further guarantee is supplied.
These are only preferred embodiment of the present utility model; not thereby its scope of the claims is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an electric heater, it is characterized in that, described electric heater comprises water tank, heater, first temperature sensor, second temperature sensor and controller, described second temperature sensor and described first temperature sensor correspondence be located at described water tank between the upper and lower every two positions, to detect the water temperature at the different depth place in described water tank, described heater is located in described water tank, described controller and described heater, described first temperature sensor and described second temperature sensor are electrically connected, in order to the temperature value detected according to described first temperature sensor and described second temperature sensor, control described heater work, described heater comprises primary heater, the decrease speed of the temperature that described controller detects according to described first temperature sensor, control described primary heater work.
2. electric heater as claimed in claim 1, is characterized in that, described water tank comprises along the bottom of trisection on the depth direction of the inner chamber of described water tank, middle part and top.
3. electric heater as claimed in claim 2, it is characterized in that, the bottom of described water tank is located at by described primary heater and the first temperature sensor, and the middle part of described water tank is located at by described second temperature sensor.
4. electric heater as claimed in claim 3, it is characterized in that, described primary heater and described first temperature sensor are arranged near the bottom of described water tank.
5. electric heater as claimed in claim 3, it is characterized in that, described heater also comprises secondary heater, described secondary heater is located at the middle part of described water tank, described controller is also electrically connected with described secondary heater, in order to the temperature value according to described second temperature sensor, control described secondary heater work.
6. electric heater as claimed in claim 3, it is characterized in that, the outer surface of described water tank is located at by described first temperature sensor.
7. electric heater as claimed in claim 3, is characterized in that, described electric heater also comprises and stretches in described water tank and be positioned at the heat-transfer pipe at the middle part of described water tank, and described second temperature sensor is located in described heat-transfer pipe.
8. electric heater as claimed in claim 5, it is characterized in that, described electric heater also comprises three-temperature sensor, described three-temperature sensor is located at the top of described water tank, in order to detect the water temperature on the top of described water tank, described controller and described three-temperature sensor are electrically connected, and in order to also according to the temperature value that described three-temperature sensor detects, control described secondary heater work.
9. electric heater as claimed in claim 8, it is characterized in that, described heater also comprises the 3rd heater being located at described top, and described controller and described 3rd heater are electrically connected, in order to the temperature value according to described three-temperature sensor, control described 3rd heater work.
10. electric heater as claimed in claim 8, it is characterized in that, described three-temperature sensor is located at the appearance of described water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520185605.2U CN204923410U (en) | 2015-03-30 | 2015-03-30 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520185605.2U CN204923410U (en) | 2015-03-30 | 2015-03-30 | Electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204923410U true CN204923410U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520185605.2U Active CN204923410U (en) | 2015-03-30 | 2015-03-30 | Electric water heater |
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| CN (1) | CN204923410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848521A (en) * | 2015-03-30 | 2015-08-19 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and heating method thereof |
-
2015
- 2015-03-30 CN CN201520185605.2U patent/CN204923410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848521A (en) * | 2015-03-30 | 2015-08-19 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and heating method thereof |
| CN104848521B (en) * | 2015-03-30 | 2019-04-02 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its heating means |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221230 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |