CN209877348U - Electric water heater with water leakage detection function - Google Patents
Electric water heater with water leakage detection function Download PDFInfo
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- CN209877348U CN209877348U CN201920032286.XU CN201920032286U CN209877348U CN 209877348 U CN209877348 U CN 209877348U CN 201920032286 U CN201920032286 U CN 201920032286U CN 209877348 U CN209877348 U CN 209877348U
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Abstract
The utility model discloses an electric water heater with water leakage detection function, which comprises a shell, an inner container, a controller, an operation display and an electric heater, wherein the inner container, the controller and the operation display are arranged on the shell, and the electric heater and the operation display are arranged in the inner container and are connected with the controller; the water leakage alarm device is characterized in that at least one pair of infrared ray receiving and sending devices connected with the controller is arranged at the top of the inner container, the controller is connected with an inner container water leakage alarm device, an infrared ray propagation speed calculation module and a comparison module are arranged in the controller, the infrared ray propagation speed calculation module is used for calculating the infrared ray propagation speed between each pair of the infrared ray receiving and sending devices, the comparison module is used for comparing and judging whether an infrared ray propagation medium between each pair of the infrared ray receiving and sending devices is water, and the inner container water leakage alarm device is used for sending an inner container water leakage alarm signal. The utility model discloses can detect whether the inner bag of electric water heater leaks in real time, accurately.
Description
Technical Field
The utility model relates to an electric water heater technical field especially relates to an electric water heater of area detection function of leaking.
Background
The electric water heater is a water heater using electricity as an energy source for heating, and can be divided into a water storage type (also called a positive displacement type or a heat storage type), an instant heating type and a rapid heating type (also called a semi-water storage type). Both water storage type and quick heating type electric water heaters generally have an inner container.
The traditional electric water heater is generally difficult to detect the condition that the inner container of the electric water heater leaks water. When a tap water source is closed or the one-way safety valve fails, if the water leakage phenomenon of the inner container occurs, the water quantity of the inner container is reduced, the water consumption of a user during bathing is influenced, and bad experience is caused. In addition, the phenomenon of dry burning after power-on can be caused by long-time water leakage, and serious accidents such as liner explosion, fire and the like are easily caused by the dry burning, so that the life and property safety of a user is threatened.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to provide an area leaks electric water heater who detects function can leak in real time, the accurate inner bag that detects electric water heater whether leaks.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
An electric water heater with a water leakage detection function comprises a shell, an inner container, a controller, an operation display and an electric heater, wherein the inner container, the controller and the operation display are arranged on the shell; the water leakage alarm device is characterized in that at least one pair of infrared receiving and transmitting devices connected with the controller are arranged at the top of the inner container, and the controller is connected with an inner container water leakage alarm device; an infrared propagation speed calculation module and a comparison module are arranged in the controller, and the infrared propagation speed calculation module is connected with the infrared receiving and transmitting devices and is used for calculating the infrared propagation speed between each pair of the infrared receiving and transmitting devices; the comparison module is connected with the infrared propagation speed calculation module and the liner water leakage alarm device, and is used for comparing and judging whether the infrared propagation medium between each pair of the infrared receiving and transmitting devices is water or not and sending a corresponding signal to the liner water leakage alarm device, and the liner water leakage alarm device is used for sending a liner water leakage alarm signal.
As a further explanation of the above scheme, the infrared ray transceiving devices are at least two pairs.
As a further explanation of the above scheme, the inner container water leakage alarm device is an inner container water leakage alarm icon disposed on the operation display.
As a further explanation of the above scheme, the inner container water leakage alarm device is an indicator lamp, a buzzer, a voice prompt device or an audible and visual alarm device.
As a further explanation of the above scheme, a water temperature calculation module is arranged in the controller, and a water temperature display module at the top of the inner container is arranged on the operation display.
As a further explanation of the above scheme, a turbidity calculation module is provided in the controller, and a liner water turbidity display module is provided on the operation display.
As a further explanation of the above solution, a heat insulating layer is provided between the casing and the inner container.
The utility model has the advantages that:
firstly, through setting up at least a pair of infrared ray transceiver at the inner bag top, when the water supply source is closed or one-way relief valve is invalid, if the electric water heater inner bag takes place the water leakage, can detect out the information that leaks automatically, accurately to in time take corresponding warning and protective measures, such as the electric heater of disconnection, avoid the further expansion of accident.
And secondly, the water temperature calculation module and the turbidity calculation module in the controller are combined, so that various application functions such as water temperature monitoring at the top of the inner container, water quality monitoring of the inner container and the like can be realized, and the water temperature controller is wide in application and high in feasibility.
Drawings
Fig. 1 shows a schematic structural diagram of an electric water heater provided by the present invention.
Fig. 2 is a block diagram of a control structure of an electric water heater according to the present invention.
Fig. 3 shows a flow chart for determining water leakage of an electric water heater according to the present invention.
Description of reference numerals:
1: a housing, 2: inner container, 3: controller, 4: operation display, 5: electric heater, 6: infrared ray transmitting and receiving device, 7: inner bag water leakage alarm device, 8: and (7) an insulating layer.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Example one
As shown in fig. 1 and 2, an electric water heater with a water leakage detection function comprises a housing 1, an inner container 2 arranged on the housing 1, a controller 3, an operation display 4, and an electric heater 5 arranged in the inner container 2, wherein the electric heater 5 and the operation display 4 are connected with the controller 3; the device is characterized in that at least one pair of infrared ray receiving and sending devices 6 connected with the controller 3 is arranged at the top of the inner container 2, the controller 3 is connected with an inner container water leakage alarm device 7, an infrared ray propagation speed calculation module and a comparison module are arranged in the controller 3, and the infrared ray propagation speed calculation module is connected with the infrared ray receiving and sending devices 6 and used for calculating the infrared ray propagation speed between each pair of infrared ray receiving and sending devices 6; the comparison module is connected with the infrared propagation speed calculation module and the inner container water leakage alarm device, and is used for comparing and judging whether the infrared propagation medium between each pair of the infrared receiving and transmitting devices is water or not and sending a corresponding signal to the inner container water leakage alarm device, and the inner container water leakage alarm device 7 is used for sending an inner container water leakage alarm signal.
And a heat insulation layer 8 is arranged between the shell 1 and the inner container 2 so as to improve the heat insulation function of the inner container 2.
The liner water leakage alarm device 7 is preferably a liner water leakage alarm icon arranged on the operation display 4. In other embodiments, the inner container water leakage alarm device is an indicator light, a buzzer, a voice prompt device or an audible and visual alarm device, and is not limited to this embodiment.
Furthermore, a water temperature calculation module is further arranged in the controller 3, and a liner top water temperature display module is arranged on the operation display 4 and used for displaying the water temperature of the liner top water in real time.
Furthermore, a turbidity calculation module is further arranged in the controller 3, and a liner water turbidity display module is arranged on the operation display 4 and is used for helping a user to judge the water quality change in the liner.
Referring to fig. 3, the working principle of water leakage determination is as follows: presetting the infrared linear velocity standard to be 1 when the water temperature is 10 ℃, sending infrared light beams by an infrared emitting device every 10s, and recording the sending time to be t 1; when the infrared ray receiving device receives the infrared ray speed of light, the receiving time is recorded as t2, and the transmission speed of the infrared ray isThe controller stores data V1. When the infrared ray beam is sent by the infrared ray emitting device for the next time after 10s, the propagation speed is calculated to be V2. At this time, the controller makes the ratio of V2 to V1The K value is compared with a set value of 1.3 to obtain a conclusion. In case of no water leakage being detectedThe above operations are repeated. If the ratio K is smaller than the set value, judging that the infrared transmission medium is water at the last time and the water leakage event does not occur in the inner container; if the ratio K is larger than the set value, the fact that the infrared transmission medium is air at the last time and the water leakage event occurs in the inner container is judged. In addition, according to the above description, if the positions of the infrared ray transmitting and receiving devices on different horizontal lines in the inner container are adjusted, different water leakage states can be detected.
And the water temperature value of the water at the top of the liner can be directly obtained according to different specific K values by combining the table 1.
TABLE 1 table of propagation velocity mapping of infrared rays in different substances
As for turbidity, the turbidity value can be calculated by the scattered light intensity and the temperature received by the infrared receiver, the calculation method of the turbidity value is a conventional technology, and details are not repeated in this embodiment.
In the electric water heater with the water leakage detection function provided by the embodiment, the at least one pair of infrared receiving and transmitting devices is arranged at the top of the inner container, so that when a tap water source is closed or the one-way safety valve fails, if water leaks from the inner container of the electric water heater, water leakage information can be automatically detected, and corresponding warning and protection measures can be taken in time, such as switching off the electric heater, so as to avoid further expansion of accidents. Meanwhile, by utilizing the device and combining the water temperature calculation module and the turbidity calculation module in the controller, various application functions such as water temperature monitoring at the top of the liner, water quality monitoring of the liner and the like can be realized, and the device has wide application and high feasibility.
Example two
The electric water heater with the water leakage detection function provided by the embodiment has a structure basically consistent with that of the embodiment, and is different from the embodiment in that at least two pairs of infrared ray transceiving devices are arranged, so that the detection accuracy is improved.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (7)
1. An electric water heater with a water leakage detection function comprises a shell, an inner container, a controller, an operation display and an electric heater, wherein the inner container, the controller and the operation display are arranged on the shell; the water leakage alarm device is characterized in that at least one pair of infrared receiving and transmitting devices connected with the controller are arranged at the top of the inner container, and the controller is connected with an inner container water leakage alarm device; an infrared propagation speed calculation module and a comparison module are arranged in the controller, and the infrared propagation speed calculation module is connected with the infrared receiving and transmitting devices and is used for calculating the infrared propagation speed between each pair of the infrared receiving and transmitting devices; the comparison module is connected with the infrared propagation speed calculation module and the liner water leakage alarm device, and is used for comparing and judging whether the infrared propagation medium between each pair of the infrared receiving and transmitting devices is water or not and sending a corresponding signal to the liner water leakage alarm device, and the liner water leakage alarm device is used for sending a liner water leakage alarm signal.
2. The electric water heater with the water leakage detection function according to claim 1, wherein the number of the infrared ray transceiver is at least two pairs.
3. The electric water heater with the water leakage detection function according to claim 1, wherein the inner container water leakage alarm device is an inner container water leakage alarm icon arranged on the operation display.
4. The electric water heater with the water leakage detection function according to claim 1, wherein the inner container water leakage alarm device is an indicator lamp, a buzzer, a voice prompt device or an audible and visual alarm device.
5. The electric water heater with the water leakage detection function according to claim 1, wherein a water temperature calculation module is arranged in the controller, and a water temperature display module at the top of the inner container is arranged on the operation display.
6. The electric water heater with the water leakage detection function according to claim 1, wherein a turbidity calculation module is arranged in the controller, and a liner water turbidity display module is arranged on the operation display.
7. The electric water heater with the water leakage detection function according to claim 1, wherein an insulating layer is arranged between the shell and the inner container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032286.XU CN209877348U (en) | 2019-01-08 | 2019-01-08 | Electric water heater with water leakage detection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920032286.XU CN209877348U (en) | 2019-01-08 | 2019-01-08 | Electric water heater with water leakage detection function |
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| CN209877348U true CN209877348U (en) | 2019-12-31 |
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| CN201920032286.XU Active CN209877348U (en) | 2019-01-08 | 2019-01-08 | Electric water heater with water leakage detection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724920A (en) * | 2019-01-08 | 2019-05-07 | 广东万家乐燃气具有限公司 | A kind of electric heater with water quality detecting function |
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2019
- 2019-01-08 CN CN201920032286.XU patent/CN209877348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724920A (en) * | 2019-01-08 | 2019-05-07 | 广东万家乐燃气具有限公司 | A kind of electric heater with water quality detecting function |
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