CN212777983U - Electric leakage protector for electric water heater - Google Patents
Electric leakage protector for electric water heater Download PDFInfo
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- CN212777983U CN212777983U CN202021378024.8U CN202021378024U CN212777983U CN 212777983 U CN212777983 U CN 212777983U CN 202021378024 U CN202021378024 U CN 202021378024U CN 212777983 U CN212777983 U CN 212777983U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 230000001012 protector Effects 0.000 title claims description 3
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 2
- 210000000056 organ Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an electric water heater earth leakage protection device, includes electric water heater (1), install human detection device (2) on the outer wall of electric water heater (1), human detection device (2) are connected to smart jack (3) through waterproof cable (4), the plug connection of smart jack (3) is to indoor socket, the plug and the smart jack (3) of electric water heater (1) are connected, human detection device (2) include infrared sensing module (21) and waterproof shell (22), smart jack (3) include relay K1(31), infrared sensing module (21) are connected with relay K1(31), whether infrared sensing module (21) realize the plug of control electric water heater (1) through control relay K1(31) and are connected with smart jack (3). The human body detection device based on the infrared sensing technology is used for detecting whether a person is located below the electric water heater at present or not, and the power supply is automatically disconnected, so that the safe use of the electric water heater is ensured.
Description
Technical Field
The utility model relates to an electric water heater earth leakage protection technical field, concretely relates to safe and reliable, simple to operate's electric water heater earth leakage protection device.
Background
As a common household appliance, the electric water heater has the advantages of low noise, low price and no influence of weather, and is more and more favored by people. However, the electric water heaters in the market have different quality, so that the electric water heaters are fast to update in function, and the electric water heaters which are cheaper or are used for years are often very deficient in the leakage protection function. In order to avoid the occurrence of electric leakage accidents, users are advised to cut off the power supply of the electric water heater before using the electric water heater.
However, when the electric water heater is used, the power socket is generally high so as to prevent splashing and touching of people, but in the actual use process, users often do not realize that the electric water heater is used with electricity because of trouble or negligence, the electric water heater is always in the power-on state, and the phenomenon that people are injured by electricity leakage can occur. Even if the electric water heater has the leakage protection function, the power supply should be cut off as much as possible when the electric water heater is used. For an electric water heater without an electric leakage protection function, the power supply is necessary and troublesome to cut off every time the electric water heater is used, and in consideration of the position of a power socket and some waterproof measures made for the power socket, new potential safety hazards can be generated by frequently plugging and unplugging the power supply, and even the waterproof measures are damaged. At present, an electric leakage protection device of an electric water heater is urgently needed, a power supply can be automatically disconnected when people are detected to use the electric water heater, manual operation is not needed, and the use safety problem of the electric water heater is solved at the source.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an electric leakage protection device of electric water heater uses the human detection device based on infrared sensing technology, detects whether someone is located the electric water heater below at present, and automatic power off has guaranteed electric water heater's safe handling.
The technical scheme of the utility model as follows:
the utility model provides an electric water heater earth leakage protection device, includes electric water heater, install human detection device on electric water heater's the outer wall, human detection device is connected to smart jack through waterproof cable, smart jack's plug connection to indoor jack, electric water heater's plug and smart jack are connected, human detection device includes infrared sensing module and waterproof shell, smart jack includes relay K1, infrared sensing module is connected with relay K1, infrared sensing module realizes through control relay K1 whether the plug of control electric water heater is connected with smart jack.
By providing the scheme, the electric water heater can be installed on the existing electric water heater, automatic power-off in use is fundamentally realized, manual power plugging and unplugging are not needed, fundamental safety guarantee and great convenience are provided for the electric water heater without an electric leakage protection function, and the electric water heater with the electric leakage protection function can also realize double guarantee through the electric water heater.
According to the electric leakage protection device of the electric water heater, the intelligent socket further comprises a low-voltage power adapter, and the low-voltage power adapter supplies power to the relay K1.
Further, the output voltage of the low-voltage power adapter does not exceed 12V.
Further, the intelligent socket further comprises a power-off indicator light, the power-off indicator light is powered by the low-voltage power adapter, and the power-off indicator light is connected with the normally open contact of the relay K1.
Further, smart jack still includes bee calling organ and circular telegram delay relay KT1, bee calling organ and circular telegram delay relay KT1 are supplied power by low voltage power adapter, circular telegram delay relay KT1 is connected with relay K1's normally open contact, bee calling organ is connected with circular telegram delay relay KT 1's normally closed contact and relay K1's normally open contact.
As a specific implementation, the smart socket is further provided with a waterproof cover.
Further, waterproof shell includes the camera lens, infrared sensing module installs in the camera lens.
According to the electric leakage protection device of the electric water heater, the waterproof shell further comprises an angle adjuster, and the lens is connected with the angle adjuster.
In a preferred embodiment, a suction cup is mounted at the tail end of the angle adjuster, and the waterproof shell is mounted on the outer wall of the electric water heater through the suction cup.
The utility model discloses for prior art gained beneficial effect lie in:
the electric leakage protection device of the electric water heater can be directly arranged on the existing electric water heater, thereby fundamentally realizing automatic power-off in use, avoiding manual power plugging and unplugging, providing fundamental safety guarantee and great convenience for the electric water heater without the electric leakage protection function, and realizing double guarantee by the electric water heater with the electric leakage protection function; the output voltage of the adopted low-voltage power adapter does not exceed 12V, so that the human body cannot be injured; whether the power-off operation is performed or not can be indicated by using the power-off indicating lamp; when the power is off, the buzzer buzzes for a period of time and is also used for indicating whether the power-off operation is executed or not; the waterproof cover can be waterproof; the angle adjuster can adjust the angle of the lens, and is convenient to debug; the sucking disc is convenient for install.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
fig. 1 is a schematic structural diagram of an electric leakage protection device of an electric water heater in embodiment 1;
FIG. 2 is a schematic view showing an internal structure of a human body detecting apparatus according to embodiment 1;
FIG. 3 is a schematic view of an external structure of the smart socket according to embodiment 1;
fig. 4 is a schematic view of a rear structure of the smart socket in embodiment 1;
FIG. 5 is a schematic circuit control diagram according to embodiment 1;
fig. 6 is a schematic diagram of the commercial power control in embodiment 1.
The components represented by the reference numerals in the figures are:
1. electric water heater, 2, human detection device, 21, infrared sensing module, 22, waterproof shell, 221, camera lens, 222, angle adjuster, 3, smart jack, 31, relay K1, 32, low voltage power adapter, 33, outage pilot lamp, 34, bee calling organ, 35, circular telegram time delay relay KT1, 36, waterproof cover, 4, waterproof cable.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
Example 1
Referring to fig. 1, fig. 1 is a schematic view of an electric leakage protection device of an electric water heater in this embodiment 1, and includes an electric water heater 1, a human body detection device 2 is installed on an outer wall of the electric water heater 1, the human body detection device 2 is connected to an intelligent socket 3 through a waterproof cable 4, referring to fig. 4, a plug is disposed on a back surface of the intelligent socket 3 and can be connected to an indoor socket, and the plug of the electric water heater 1 is connected to a front surface of the intelligent socket 3. By providing the scheme, the electric water heater can be installed on the existing electric water heater, automatic power-off in use is fundamentally realized, manual power plugging and unplugging are not needed, fundamental safety guarantee and great convenience are provided for the electric water heater without an electric leakage protection function, and the electric water heater with the electric leakage protection function can also realize double guarantee through the electric water heater.
Referring to fig. 1 and 2, the human body detecting device 2 includes an infrared sensing module 21 and a waterproof housing 22, and further, the waterproof housing 22 includes a lens 221, and the infrared sensing module 21 is installed in the lens 221.
The electrical leakage protection device for an electric water heater as described above, the waterproof casing 22 further includes an angle adjuster 222, and the lens 221 is connected to the angle adjuster 222.
In a preferred embodiment, a suction cup 223 is installed at the end of the angle adjuster 222, and the waterproof housing 22 is installed on the outer wall of the electric water heater 1 through the suction cup 223. When the installation, install sucking disc 223 in suitable position earlier, because camera lens 221 accessible angle adjuster 222 rotates around sucking disc 223, consequently finely tune the angle through turning angle adjuster 222, simple to operate adjusts simply fast.
Referring to fig. 3, 5 and 6, the smart socket 3 includes a relay K131, the infrared sensing module 21 is connected to the relay K131, and the infrared sensing module 21 controls whether the plug of the electric water heater 1 is connected to the smart socket 3 by controlling the relay K131, specifically, as shown in fig. 6, the connection is realized by the action of a normally closed contact of the relay K131.
Referring to fig. 5, as a preferred embodiment, the smart socket 3 further includes a low voltage power adapter 32, and the low voltage power adapter 32 supplies power to the relay K131.
Further, the output voltage of the low-voltage power adapter 32 is set to 5V, the highest voltage is 12V, so that no harm to a human body is guaranteed, and the input of the low-voltage power adapter 32 is mains supply.
Further, the intelligent socket 3 further comprises a power-off indicator lamp 33, the power-off indicator lamp 33 uses a light-emitting diode, the power-off indicator lamp 33 is powered by the low-voltage power adapter 32, and the power-off indicator lamp 33 is connected with the normally-open contact of the relay K131.
Further, smart jack 3 still includes buzzer 34 and circular telegram delay relay KT135, buzzer 34 and circular telegram delay relay KT135 are supplied power by low voltage power adapter 32, circular telegram delay relay KT135 is connected with relay K131's normally open contact, buzzer 34 is connected with circular telegram delay relay KT 135's normally closed contact and relay K131's normally open contact.
Referring to fig. 3, as a specific implementation, the smart socket 3 is further provided with a waterproof cover 36.
The circuit principle is briefly explained below with reference to fig. 5 and 6:
the infrared sensor module 21 is manufactured based on the pyroelectric principle, which is simply the principle that electric charges are generated due to a change in temperature. The relay comprises a coil and contacts, the contacts can be actuated by electrifying the coil, namely the normally open contacts are closed, the normally closed contacts are opened, the control effect is achieved, and the contacts are restored to the original state when the coil is powered off. In this embodiment, when a person faces the infrared sensing module 21, the infrared ray of the human body is received by the module, the module outputs a high level to the B electrode of the NPN triode, the triode meets the conduction condition, and the coil of the relay K131 is connected, so that all the contacts K1 (including normally open and normally closed contacts) of the relay K131 act, the circuit where the power-off indicator lamp 33, the energization delay relay KT135 and the buzzer 34 are respectively connected, the power-off indicator lamp 33, the energization delay relay KT1 and the buzzer 34 start to operate simultaneously, the three-phase electrical interface (fig. 6) is disconnected, and the electric water heater 1 is isolated from the mains supply. After the solenoid of circular telegram time delay relay KT135 switched on, time delay a period, its normally closed contact KT1 action cuts off the power supply of buzzer 34, and final effect is: when a person bathes in the electric water heater 1, the electric water heater 1 is isolated from the mains supply, the power-off indicator lamp 33 is turned on, the buzzer 34 buzzes for a period of time, the time delay device is used for prompting a user that the device operates normally, and the time delay of the power-on time delay relay can be set automatically.
When no one faces the infrared sensing module 21, the module outputs a low level to the B pole of the NPN triode, the conduction condition of the triode is not met, a relay-free coil of the whole circuit is connected, and therefore, no action is caused, the electric water heater 1 is connected with the commercial power, and operations such as water boiling can be normally set.
The scheme of the embodiment can be directly installed on the existing electric water heater, so that automatic power-off in use is realized fundamentally, manual power plugging and unplugging are not needed, fundamental safety guarantee and great convenience are provided for the electric water heater without an electric leakage protection function, and the electric water heater with the electric leakage protection function can also realize double guarantee through the electric water heater; the output voltage of the adopted low-voltage power adapter 32 does not exceed 12V, so that the human body cannot be injured; whether the power-off operation is performed may be indicated using the power-off indication lamp 33; the buzzer 34 sounds for a period of time while the power is off, also indicating whether the power-off operation is performed; the waterproof cover 36 is waterproof; the angle adjuster 222 can adjust the angle of the lens 221, so that debugging is facilitated; the suction cup 223 facilitates installation.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides an electric water heater earth leakage protection device, includes electric water heater (1), its characterized in that, install human detection device (2) on the outer wall of electric water heater (1), human detection device (2) are connected to smart jack (3) through waterproof cable (4), the plug connection of smart jack (3) is to indoor socket, the plug and the smart jack (3) of electric water heater (1) are connected, human detection device (2) include infrared sensing module (21) and waterproof shell (22), smart jack (3) include relay K1(31), infrared sensing module (21) are connected with relay K1(31), whether infrared sensing module (21) realize the plug of control electric water heater (1) through control relay K1(31) and are connected with smart jack (3).
2. The electrical leakage protection device of claim 1, wherein said smart socket (3) further comprises a low voltage power adapter (32), said low voltage power adapter (32) supplying power to relay K1 (31).
3. An earth leakage protection device for an electric water heater according to claim 2, characterized in that the output voltage of the low voltage power adapter (32) does not exceed 12V.
4. The electrical leakage protection device of claim 2, wherein said intelligent socket (3) further comprises a power-off indicator light (33), said power-off indicator light (33) is powered by a low-voltage power adapter (32), said power-off indicator light (33) is connected with the normally open contact of the relay K1 (31).
5. An electric water heater leakage protection device according to claim 2, characterized in that the smart socket (3) further comprises a buzzer (34) and a power-on delay relay KT1(35), the buzzer (34) and the power-on delay relay KT1(35) are powered by a low-voltage power adapter (32), the power-on delay relay KT1(35) is connected with the normally open contact of the KT relay K1(31), and the buzzer (34) is connected with the normally closed contact of the power-on delay relay KT1(35) and the normally open contact of the relay K1 (31).
6. An earth leakage protection device for an electric water heater according to claim 1, characterized in that the intelligent socket (3) is further provided with a waterproof cover (36).
7. The earth leakage protection device of an electric water heater as claimed in claim 1, wherein said waterproof housing (22) comprises a lens (221), and said infrared sensing module (21) is mounted in the lens (221).
8. The leakage protection device of an electric water heater as claimed in claim 7, wherein said waterproof housing (22) further comprises an angle adjuster (222), and said lens (221) is connected to said angle adjuster (222).
9. The leakage protector of electric water heater as claimed in claim 8, wherein the angle adjuster (222) is provided with a suction cup (223) at the end, and the waterproof casing (22) is mounted on the outer wall of the electric water heater (1) through the suction cup (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378024.8U CN212777983U (en) | 2020-07-14 | 2020-07-14 | Electric leakage protector for electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378024.8U CN212777983U (en) | 2020-07-14 | 2020-07-14 | Electric leakage protector for electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212777983U true CN212777983U (en) | 2021-03-23 |
Family
ID=75078973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021378024.8U Active CN212777983U (en) | 2020-07-14 | 2020-07-14 | Electric leakage protector for electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212777983U (en) |
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2020
- 2020-07-14 CN CN202021378024.8U patent/CN212777983U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SUZHOU XIERGAISEN NEW MATERIAL CO.,LTD. Assignor: Zhang Yong Contract record no.: X2023980043362 Denomination of utility model: A leakage protection device for electric water heaters Granted publication date: 20210323 License type: Exclusive License Record date: 20231019 |
|
| EE01 | Entry into force of recordation of patent licensing contract |