CN209960772U - Electric water heater with water outlet and power off functions - Google Patents
Electric water heater with water outlet and power off functions Download PDFInfo
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- CN209960772U CN209960772U CN201920428145.XU CN201920428145U CN209960772U CN 209960772 U CN209960772 U CN 209960772U CN 201920428145 U CN201920428145 U CN 201920428145U CN 209960772 U CN209960772 U CN 209960772U
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Abstract
The utility model provides an electric water heater with go out water outage function, it includes earth leakage protection plug, main control panel, rivers sensor, temperature sensor, electric heating pipe and display module, earth leakage protection plug with the main control panel electricity is connected, temperature sensor, the display module, electric heating pipe are connected with the main control panel electricity respectively, rivers sensor with earth leakage protection plug connection for detect electric water heater's play water flow, and send the detected signal to in real time electric leakage protection plug; and the leakage protection plug is connected with the power supply and used for controlling the connection and disconnection of the power supply according to the detection signal of the water flow sensor. When a user uses hot water, water flow passes through the water flow sensor to enable the water flow sensor to send a signal to the electric leakage protection plug, the electric leakage protection plug controls the power supply zero line and the power supply live line to be disconnected simultaneously, the display assembly and other working electric devices of the electric water heater are synchronously extinguished, and the safety purpose of water outlet power failure is achieved.
Description
Technical Field
The utility model belongs to the technical field of the safety protection, especially, relate to an electric water heater with go out water outage function.
Background
The electric water heater is a water heater which heats by taking electricity as energy. The solar water heater is one of three water heaters which are parallel to a gas water heater and a solar water heater, and through the development of the electric water heater for more than ten years, the technology of the water heater is continuously improved and is more and more favored by consumers.
In order to improve the safety performance of an electric water heater, a water outlet power-off function appears in the prior art, namely when the electric water heater is used for discharging water, the power supply of the electric water heater is automatically cut off, and when the function is realized, a water flow sensor is required to detect whether the electric water heater discharges water, therefore, when the water flow sensor detects water flow, the water flow sensor sends a water flow signal to a water heater data acquisition module, the water heater data acquisition module sends a stop signal to a control module, and the control module drives a leakage protection assembly to cut off the power supply of a heating element (such as an electric heating pipe) of the electric water. Although the electric water heater realizes the water outlet and power off functions on the heating element, other working electric devices (such as a display screen, a main control panel and the like) in the electric water heater are still in a power supply state, and potential safety hazards still exist under extreme conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, and the response is rapid, can realize the electric water heater of "water outage" function simultaneously for each work electrical part in the electric water heater, stops the potential safety hazard.
In order to solve the technical problem, the utility model provides an electric water heater with go out water outage function, it includes earth leakage protection plug, main control panel, rivers sensor, temperature sensor, electric heating pipe and display module, the earth leakage protection plug with the main control panel electricity is connected, temperature sensor display module electric heating pipe is connected with the main control panel electricity respectively. The water flow sensor is connected with the leakage protection plug and used for detecting the water outlet flow of the electric water heater and sending a detection signal to the leakage protection plug in real time; and the leakage protection plug is connected with the power supply and used for controlling the connection and disconnection of the power supply according to the detection signal of the water flow sensor.
As the preferable scheme of the utility model, the leakage protection plug is provided with a strong current output end, a weak current output end and a signal receiving end; the strong current output end of the leakage protection plug is connected with the main control panel through a power supply connecting wire to provide strong current for the work of the main control panel; the weak current output end of the leakage protection plug is connected with the water flow sensor through a power supply connecting wire to provide weak current for the water flow sensor to work; and the water flow sensor is connected with a signal receiving end of the electric leakage protection plug through a signal connecting wire.
Furthermore, the main control board is connected with the temperature sensor through a power supply connecting wire to provide weak current for the work of the temperature sensor; the main control panel is connected with the temperature sensor through a signal connecting wire, and the temperature sensor is used for detecting the water temperature of the liner of the electric water heater and sending a detection signal to the main control panel in real time; the main control panel is connected with the electric heating pipe through a power supply connecting wire, provides strong electricity for the electric heating pipe to work, and controls the working state of the electric heating pipe according to the detection result of the temperature sensor; the main control panel is connected with the display assembly through a power supply connecting wire and provides weak current for the work of the display assembly; the display assembly is connected with the water flow sensor and the main control panel through signal connecting wires respectively and is used for displaying the real-time running state and the working parameters of the electric water heater.
As the preferable scheme of the utility model, the leakage protection plug is provided with a strong current output end, a weak current output end and a signal receiving end; the strong current output end of the leakage protection plug is connected with the main control panel through a power supply connecting wire to provide strong current for the work of the main control panel; the weak current output end of the leakage protection plug is respectively connected with the water flow sensor and the display assembly through power connecting wires, and weak current is provided for the work of the water flow sensor and the work of the display assembly; and the water flow sensor is connected with a signal receiving end of the electric leakage protection plug through a signal connecting wire.
Furthermore, the main control board is connected with the temperature sensor through a power supply connecting wire to provide weak current for the work of the temperature sensor; the main control panel is connected with the temperature sensor through a signal connecting wire, and the temperature sensor is used for detecting the water temperature of the liner of the electric water heater and sending a detection signal to the main control panel in real time; the main control panel is connected with the electric heating pipe through a power supply connecting wire, provides strong electricity for the electric heating pipe to work, and controls the working state of the electric heating pipe according to the detection result of the temperature sensor; the display assembly is connected with the water flow sensor and the main control panel through signal connecting wires respectively and is used for displaying the real-time running state and the working parameters of the electric water heater.
As the utility model discloses preferred scheme, display module includes display screen and display control panel, the last signal on-off key that is equipped with of display control panel to supply the user to select or close out the water outage function.
As the utility model discloses preferred scheme, the earth leakage protection plug with be connected with the overtemperature prote ware between the master control board.
As a preferred embodiment of the present invention, the leakage protection plug includes a leakage release, an electronic amplification circuit and a current transformer, the current transformer is disposed between the power zero line and the power live line, an output coil of the current transformer is connected to an input end of the electronic amplification circuit, an output end of the electronic amplification circuit is connected to an input end of the leakage release, and the leakage release is connected in series to the power zero line and the power live line; the weak current output end and the signal receiving end are arranged on the electronic amplification circuit, and the strong current output end is a power supply zero line and a power supply live line.
As the utility model discloses preferred scheme, current transformer is zero sequence current transformer.
Implement the utility model discloses an electric water heater with go out water outage function compares with prior art, has following beneficial effect:
when a user uses hot water, water flow passes through the water flow sensor to enable the water flow sensor to send a signal to be transmitted to the leakage protection plug, the leakage protection plug controls the power supply zero line and the power supply live line to be disconnected simultaneously, and the display assembly and other working electric devices of the electric water heater are synchronously extinguished, so that the safety purpose of 'water outlet and power failure' is achieved; when the water flow sensor does not detect water flow, the leakage protection plug is reset, so that the zero line and the live line of the power supply are simultaneously connected, the power supply of the electric water heater is recovered, a relay is not required to be configured, and the cost is saved; meanwhile, the water flow sensor is directly connected with the leakage protection plug, a control module is omitted in the middle, the structure is simple, and the response is rapid.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a working schematic diagram of an electric water heater with water outlet and power off functions provided by the present invention;
fig. 2 is a working schematic diagram of another embodiment of the electric water heater with water outlet and power off functions provided by the present invention;
the reference numeral, 1 is the earth leakage protection plug, 11 is the electric leakage release, 12 is electronic amplification circuit, 13 is current transformer, 2 is the main control board, 3 is the rivers sensor, 4 is temperature sensor, 5 is electric heating pipe, 6 is the display module, 61 is the display screen, 62 is the display control board, 7 is the overtemperature prote ware.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the utility model provides a pair of electric water heater with go out water outage function's preferred embodiment, it includes earth leakage protection plug 1, main control panel 2, rivers sensor 3, temperature sensor 4, electric heating pipe 5 and display module 6, earth leakage protection plug 1 with main control panel 2 electricity is connected, temperature sensor 4, display module 6, electric heating pipe 5 is connected with main control panel 2 electricity respectively. The water flow sensor 3 is connected with the leakage protection plug 1 and used for detecting the water outlet flow of the electric water heater and sending a detection signal to the leakage protection plug 1 in real time; the leakage protection plug 1 is connected with a power supply and used for controlling the connection and disconnection of the power supply according to the detection signal of the water flow sensor 3. Therefore, when a user uses hot water, water flow passes through the water flow sensor 3 to enable the water flow to send a signal to the electric leakage protection plug 1, the electric leakage protection plug 1 controls the power supply zero line and the power supply live line to be disconnected simultaneously, the display assembly 6 and other working electric devices of the electric water heater are synchronously extinguished, and the safety purpose of 'water outlet and power failure' is achieved; when the water flow sensor does not detect water flow, the leakage protection plug is reset, so that the zero line and the live line of the power supply are simultaneously connected, the power supply of the electric water heater is recovered, a relay is not required to be configured, and the cost is saved; meanwhile, the water flow sensor 3 is directly connected with the leakage protection plug 1, a control module is omitted in the middle, the structure is simple, and the response is rapid.
In this embodiment, as shown in fig. 1, the leakage protection plug 1 is provided with a strong current output end, a weak current output end and a signal receiving end; the strong current output end of the leakage protection plug 1 is connected with the main control panel 2 through a power supply connecting wire, so that strong current is provided for the work of the main control panel 2; the weak current output end of the leakage protection plug 1 is connected with the water flow sensor 3 through a power supply connecting wire to provide weak current for the work of the water flow sensor 3; and the water flow sensor 3 is connected with a signal receiving end of the leakage protection plug 1 through a signal connecting wire. Further, the main control panel 2 is connected with the temperature sensor 4 through a power supply connecting wire, and weak current is provided for the temperature sensor 4 to work; the main control panel 2 is connected with the temperature sensor 4 through a signal connecting line, and the temperature sensor 4 is used for detecting the water temperature of the liner of the electric water heater and sending a detection signal to the main control panel 2 in real time; the main control panel 2 is connected with the electric heating tube 5 through a power supply connecting wire, the main control panel 2 provides strong electricity for the electric heating tube 5 to work, and controls the working state of the electric heating tube 5 according to the detection result of the temperature sensor 4; the main control panel 2 is connected with the display assembly 6 through a power supply connecting wire and provides weak current for the work of the display assembly 6; the display component 6 is respectively connected with the water flow sensor 3 and the main control panel 2 through signal connecting wires, and the display component 6 is used for displaying the real-time running state and the working parameters of the electric water heater.
In another embodiment, as shown in fig. 2, the earth leakage protection plug 1 is provided with a strong current output terminal, a weak current output terminal and a signal receiving terminal; the strong current output end of the leakage protection plug 1 is connected with the main control panel 2 through a power supply connecting wire, so that strong current is provided for the work of the main control panel 2; the weak current output end of the leakage protection plug 1 is respectively connected with the water flow sensor 3 and the display component 6 through power connecting wires, and weak current is provided for the work of the water flow sensor 3 and the work of the display component 6; and the water flow sensor 3 is connected with a signal receiving end of the leakage protection plug 1 through a signal connecting wire. Further, the main control panel 2 is connected with the temperature sensor 4 through a power supply connecting wire, and weak current is provided for the temperature sensor 4 to work; the main control panel 2 is connected with the temperature sensor 4 through a signal connecting line, and the temperature sensor 4 is used for detecting the water temperature of the liner of the electric water heater and sending a detection signal to the main control panel 2 in real time; the main control panel 2 is connected with the electric heating tube 5 through a power supply connecting wire, the main control panel 2 provides strong electricity for the electric heating tube 5 to work, and controls the working state of the electric heating tube 5 according to the detection result of the temperature sensor 4; the display component 6 is respectively connected with the water flow sensor 3 and the main control panel 2 through signal connecting wires, and the display component 6 is used for displaying the real-time running state and the working parameters of the electric water heater.
Illustratively, the display module 6 includes a display screen 61 and a display control panel 62, the display control panel 62 is provided with a signal on-off key for a user to select or close the water outlet and power off function, so as to improve the user experience.
Illustratively, an over-temperature protector 7 is connected between the leakage protection plug 1 and the main control panel 2, so that the safety of the electric water heater is further improved.
Illustratively, the leakage protection plug 1 comprises a leakage release 11, an electronic amplification circuit 12 and a current transformer 13, wherein the current transformer 13 is arranged between a power supply zero line and a power supply live line, an output coil of the current transformer 13 is connected with an input end of the electronic amplification circuit 12, an output end of the electronic amplification circuit 12 is connected with an input end of the leakage release 11, and the leakage release 11 is connected in series with the power supply zero line and the power supply live line; the weak current output end and the signal receiving end are arranged on the electronic amplifying circuit 12, and the strong current output end is a power supply zero line and a power supply live line. The current transformer 13 is preferably a zero sequence current transformer, and the leakage trip unit 11 is preferably an electromagnetic trip unit. When the leakage protection circuit works normally, currents in a live wire and a zero line are equal, no voltage signal is output by the current transformer 13, when the leakage occurs, currents of two power lines penetrating into the zero sequence current transformer are unbalanced, a voltage signal proportional to the currents can be generated at the output end of the zero sequence current transformer, and as long as the voltage signal is large enough, the voltage signal is amplified by the electronic amplification circuit 12 and the like, so that the leakage release 11 on a main loop is disconnected, and the leakage protection can be effectively performed. Similarly, when the water flow sensor 3 detects the water flow of the electric water heater, a detection signal is sent to the leakage protection plug 1, as long as the detection signal (also called a voltage signal) is large enough, the detection signal is amplified by the electronic amplification circuit 12 and the like, the magnetic induction coil on the leakage release 11 is electrified, the leakage release 11 simultaneously disconnects the power supply zero line and the power supply live line, and the display component 6 and other working electric devices of the electric water heater are synchronously extinguished, so that the safety purpose of 'water outlet power failure' is achieved; when the water flow sensor 3 does not detect water flow, the magnetic induction coil on the electric leakage release 11 is powered off, the electric leakage protection plug 1 is reset, the power supply zero line and the power supply live line are simultaneously connected, the power supply of the electric water heater is recovered, a relay does not need to be configured, and the cost is saved.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (9)
1. An electric water heater with a water outlet and power off function comprises an electric leakage protection plug, a main control panel, a water flow sensor, a temperature sensor, an electric heating pipe and a display component, wherein the electric leakage protection plug is electrically connected with the main control panel; and the leakage protection plug is connected with the power supply and used for controlling the connection and disconnection of the power supply according to the detection signal of the water flow sensor.
2. The electric water heater with water outlet and power off functions as claimed in claim 1, wherein the earth leakage protection plug is provided with a strong current output end, a weak current output end and a signal receiving end; the strong current output end of the leakage protection plug is connected with the main control panel through a power supply connecting wire to provide strong current for the work of the main control panel; the weak current output end of the leakage protection plug is connected with the water flow sensor through a power supply connecting wire to provide weak current for the water flow sensor to work; and the water flow sensor is connected with a signal receiving end of the electric leakage protection plug through a signal connecting wire.
3. The electric water heater with the water outlet and power off functions as claimed in claim 2, wherein the main control board is connected with the temperature sensor through a power connecting line to provide weak current for the temperature sensor to work; the main control panel is connected with the temperature sensor through a signal connecting wire, and the temperature sensor is used for detecting the water temperature of the liner of the electric water heater and sending a detection signal to the main control panel in real time; the main control panel is connected with the electric heating pipe through a power supply connecting wire, provides strong electricity for the electric heating pipe to work, and controls the working state of the electric heating pipe according to the detection result of the temperature sensor; the main control panel is connected with the display assembly through a power supply connecting wire and provides weak current for the work of the display assembly; the display assembly is connected with the water flow sensor and the main control panel through signal connecting wires respectively and is used for displaying the real-time running state and the working parameters of the electric water heater.
4. The electric water heater with water outlet and power off functions as claimed in claim 1, wherein the earth leakage protection plug is provided with a strong current output end, a weak current output end and a signal receiving end; the strong current output end of the leakage protection plug is connected with the main control panel through a power supply connecting wire to provide strong current for the work of the main control panel; the weak current output end of the leakage protection plug is respectively connected with the water flow sensor and the display assembly through power connecting wires, and weak current is provided for the work of the water flow sensor and the work of the display assembly; and the water flow sensor is connected with a signal receiving end of the electric leakage protection plug through a signal connecting wire.
5. The electric water heater with the effluent water power-off function as claimed in claim 4, wherein the main control panel is connected with the temperature sensor through a power connecting line to provide weak current for the temperature sensor to work; the main control panel is connected with the temperature sensor through a signal connecting wire, and the temperature sensor is used for detecting the water temperature of the liner of the electric water heater and sending a detection signal to the main control panel in real time; the main control panel is connected with the electric heating pipe through a power supply connecting wire, provides strong electricity for the electric heating pipe to work, and controls the working state of the electric heating pipe according to the detection result of the temperature sensor; the display assembly is connected with the water flow sensor and the main control panel through signal connecting wires respectively and is used for displaying the real-time running state and the working parameters of the electric water heater.
6. The electric water heater with the water outlet and power off functions as claimed in claim 1, wherein the display assembly comprises a display screen and a display control panel, and the display control panel is provided with a signal switch key for a user to select or turn off the water outlet and power off functions.
7. The electric water heater with water outlet and power off functions as claimed in claim 1, wherein an over-temperature protector is connected between the leakage protection plug and the main control board.
8. The electric water heater with the effluent water power-off function according to claim 2 or 4, wherein the earth leakage protection plug comprises an earth leakage release, an electronic amplification circuit and a current transformer, the current transformer is arranged between a power supply zero line and a power supply live line, an output coil of the current transformer is connected with an input end of the electronic amplification circuit, an output end of the electronic amplification circuit is connected with an input end of the earth leakage release, and the earth leakage release is connected in series with the power supply zero line and the power supply live line; the weak current output end and the signal receiving end are arranged on the electronic amplification circuit, and the strong current output end is a power supply zero line and a power supply live line.
9. The electric water heater with water outlet and power off functions as claimed in claim 8, wherein the current transformer is a zero sequence current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428145.XU CN209960772U (en) | 2019-03-29 | 2019-03-29 | Electric water heater with water outlet and power off functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428145.XU CN209960772U (en) | 2019-03-29 | 2019-03-29 | Electric water heater with water outlet and power off functions |
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| Publication Number | Publication Date |
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| CN209960772U true CN209960772U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920428145.XU Active CN209960772U (en) | 2019-03-29 | 2019-03-29 | Electric water heater with water outlet and power off functions |
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| CN (1) | CN209960772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945506A (en) * | 2019-03-29 | 2019-06-28 | 广东万博电气有限公司 | A kind of electric heater with water outlet power down function |
-
2019
- 2019-03-29 CN CN201920428145.XU patent/CN209960772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945506A (en) * | 2019-03-29 | 2019-06-28 | 广东万博电气有限公司 | A kind of electric heater with water outlet power down function |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220105 Address after: 528513 east of Yangxi Avenue, Yanghe town (Renhe), Gaoming District, Foshan City, Guangdong Province Patentee after: GUANGDONG VANWARD ELECTRIC Co.,Ltd. Address before: 528524 No. 601, Yangxi Avenue, Yanghe Town, Gaoming District, Foshan City, Guangdong Province Patentee before: GUANGDONG VANBO ELECTRIC Co.,Ltd. |
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| TR01 | Transfer of patent right |