CN219913495U - Intelligent radar sensing power-off device and electric water heater using same - Google Patents
Intelligent radar sensing power-off device and electric water heater using same Download PDFInfo
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- CN219913495U CN219913495U CN202320899733.8U CN202320899733U CN219913495U CN 219913495 U CN219913495 U CN 219913495U CN 202320899733 U CN202320899733 U CN 202320899733U CN 219913495 U CN219913495 U CN 219913495U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent radar sensing power-off device and an electric water heater using the same, wherein the device comprises a power supply unit, a relay unit, a control unit and a radar unit; the power supply unit is electrically connected with the relay unit, the control unit and the radar unit and is used for providing power for the relay unit, the control unit and the radar unit; the control unit is electrically connected with the radar unit and the relay unit, and the radar unit is used for detecting whether a human body exists in a working area; the relay unit is electrically connected with a circuit for heating the workpiece and is used for switching on or switching off the circuit for heating the workpiece; the utility model aims to provide an intelligent radar sensing outage device and an electric water heater using the same, and the radar unit is used for identifying whether a person exists in a detection area or not, so that the electric water heater is driven to be powered off or on, the detection precision is high, the identification and judgment are more accurate, the outage response is rapid, and the safety electricity utilization level of the electric water heater can be improved.
Description
Technical Field
The utility model relates to the technical field of electric water heaters, in particular to an intelligent radar sensing power-off device and an electric water heater using the same.
Background
Along with the increasing living standard of people, the comfort requirements of people in family life are also higher. The instant water heater provides hot water for users and plays an important role in life. The working principle of the instant water heater is that the electric heating tube is used for heating water in the inner container, the water flowing out after heating is in direct contact with a human body, and an electric shock accident possibly occurs in the use process, so that safety protection measures are needed for the instant water heater, and a common safety protection measure is to detect whether the water heater is in electric leakage or not by adopting an electric leakage detection circuit.
At present, the leakage protection modes of the electric water heater are two types: one is provided with a leakage protection power line, and the other is water outlet power failure. After the leakage protection power line is used and a user needs to manually press a button to start, the leakage detection work can be normally carried out, when the leakage occurs, the power is tripped and cut off, the protection power cannot be actively carried out, and certain potential safety hazards exist. The water outlet power failure is that a Hall sensor is used for detecting the water consumption state at the water inlet, and when water consumption occurs, the machine is disconnected. Both schemes have certain hysteresis, and the response is not quick enough.
Disclosure of Invention
The utility model aims to provide an intelligent radar sensing outage device and an electric water heater using the same, wherein a radar unit is used for identifying whether a person exists in a detection area or not, so that the electric water heater is driven to be powered off or on, the detection precision is high, the identification and judgment are more accurate, the outage response is rapid, and the safety electricity utilization level of the electric water heater can be improved.
To achieve the purpose, the utility model adopts the following technical scheme: an intelligent radar sensing outage device comprises a power supply unit, a relay unit, a control unit and a radar unit; the power supply unit is electrically connected with the relay unit, the control unit and the radar unit and is used for providing power for the relay unit, the control unit and the radar unit; the control unit is electrically connected with the radar unit and the relay unit, and the radar unit is used for detecting whether a human body exists in a working area; the relay unit is electrically connected with a circuit for heating the workpiece, and the relay unit is used for switching on or switching off the circuit for heating the workpiece.
Preferably, the display unit further comprises a display driving circuit and a display screen, one end of the display driving circuit is electrically connected with the control unit, and the other end of the display driving circuit is electrically connected with the display screen.
Preferably, the portable electronic device further comprises a key unit, wherein the key unit comprises a key detection circuit and a key, one end of the key detection circuit is electrically connected with the control unit, and the other end of the key detection circuit is electrically connected with the key.
Preferably, the device further comprises a temperature sensing unit, and the temperature sensing unit is electrically connected with the control unit.
The utility model provides an electric water heater of intelligence radar response outage, includes body, control box, apron installation cavity and foretell intelligence radar response outage's device, the control box sets up the downside of body front end, the control unit with the radar unit sets up in the control box, the radar unit orientation the front side of body, the apron installation cavity sets up one side of body, the power supply unit with the relay unit sets up in the apron installation cavity, the control unit with carry out the electricity through the circuit between the relay unit and be connected.
Preferably, the control box is provided with an arc cover, and the arc cover is arranged at the periphery of the radar unit.
Preferably, the arc cover is of a transparent structure.
The technical scheme of the utility model has the beneficial effects that: the distance between the human body and the device is automatically sensed through the radar unit, the relay is controlled to be opened or closed through the control unit, automatic power-off or power-on of the heating workpiece is realized, the intelligent sensing power-off effect of the device is finally realized, and compared with a traditional leakage protection mode, the device has the advantages that the power-off response is quicker, the identification and judgment are more accurate, and the user is safer in use.
Drawings
FIG. 1 is a schematic view of the structure of an apparatus according to one embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an electric water heater according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of a circular arc cover according to an embodiment of the present utility model;
FIG. 4 is a schematic circuit diagram of a radar unit according to one embodiment of the utility model;
FIG. 5 is a schematic circuit diagram of a power supply unit according to one embodiment of the utility model;
fig. 6 is a schematic circuit diagram of a control unit according to an embodiment of the present utility model.
Wherein: the device comprises a power supply unit 1, a relay unit 2, a control unit 3, a radar unit 4, a display unit 5, a key unit 6, a temperature sensing unit 7, a body 8, a control box 9, a cover plate mounting cavity 10 and an arc cover 11.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1 to 6, an intelligent radar sensing power-off device comprises a power supply unit 1, a relay unit 2, a control unit 3 and a radar unit 4; the power supply unit 1 is electrically connected with the relay unit 2, the control unit 3 and the radar unit 4, and the power supply unit 1 is used for providing power for the relay unit 2, the control unit 3 and the radar unit 4; the control unit 3 is electrically connected with the radar unit 4 and the relay unit 2, and the radar unit 4 is used for detecting whether a human body exists in a working area; the relay unit 2 is electrically connected with a circuit for heating the workpiece, and the relay unit 2 is used for switching on or switching off the circuit for heating the workpiece.
In the utility model, the radar unit 4 is used for detecting the distance between a human body and the device, when a person enters a set safety distance, the radar unit 4 sends an electric signal to the control unit 3, the electric signal is processed by the internal logic of the control unit 3 and outputs a power-off control signal to the relay unit 2, and the relay unit 2 cuts off the power supply unit 1 to realize the function of power off by the person; when a person is outside a set safety distance or no person is detected, the radar unit 4 sends out an electric signal, the electric signal is processed by the internal logic of the control unit 3, an electrifying control signal is output to the relay unit 2, the relay unit 2 is connected with the power supply unit 1, electrifying work of the electric heating tube is recovered, and the function of people to walk is realized.
According to the utility model, the distance between a human body and the device can be automatically sensed through the radar unit 4, and the relay is controlled to be opened or closed through the control unit 3, so that the automatic power-off or power-on of a heating workpiece is realized, and finally, the intelligent sensing power-off effect of the device is realized.
Preferably, the display unit 5 further comprises a display driving circuit and a display screen, one end of the display driving circuit is electrically connected with the control unit 3, and the other end of the display driving circuit is electrically connected with the display screen. The display screen is used to display heating parameters or set detection parameters including, but not limited to, the height and width of the detection of radar unit 4.
Meanwhile, the electronic device further comprises a key unit 6, wherein the key unit 6 comprises a key detection circuit and a key, one end of the key detection circuit is electrically connected with the control unit 3, and the other end of the key detection circuit is electrically connected with the key. The key is used as an operation input terminal for performing operation setting and setting the detection range of the radar unit 4.
Specifically, a temperature sensing unit 7 is further included, and the temperature sensing unit 7 is electrically connected to the control unit 3. The temperature sensing unit 7 is used for detecting the temperature of the device and preventing safety accidents caused by overhigh temperature.
The utility model provides an electric water heater of intelligence radar response outage, includes body 8, control box 9, apron installation cavity 10 and foretell device of intelligence radar response outage, control box 9 sets up the downside of body 8 front end, control unit 3 with radar unit 4 sets up in the control box 9, radar unit 4 orientation the front side of body 8, apron installation cavity 10 sets up one side of body 8, power supply unit 1 with relay unit 2 sets up in the apron installation cavity 10, control unit 3 with carry out the electricity through the circuit between the relay unit 2 and be connected.
The utility model provides an intelligent radar-induced power-off electric water heater, which is characterized in that a radar unit 4 is used for inducing a human body to be close to the electric water heater within a specific distance, such as a range of 2 meters, so as to control a relay to be disconnected, and an electric heating tube is powered off, thereby realizing an automatic power-off function. When the radar unit 4 senses that a person leaves a specific distance of the electric water heater, the relay is closed, the electric heating tube of the electric water heater is recovered to be electrified, and compared with a traditional electric leakage protection mode, the electric heating tube is more rapid in power failure response, more accurate in identification and judgment, and the safety electricity utilization level of the electric water heater is improved.
Preferably, the control box 9 is provided with a circular arc cover 11, and the circular arc cover 11 is arranged at the periphery of the radar unit 4. The arc cover 11 has a transparent structure.
The traditional radar module adopts the copper foil attached to the radar chip as a transmitting antenna and a receiving antenna, and belongs to a planar structure, the transmitting antenna and the receiving antenna are horizontally arranged at the left end and the right end of the radar chip, the detection angle range is limited within +/-45 degrees of the normal center of the radar antenna, the radar module is directly used for being installed on an electric water heater, when a human body exceeds the center of the electric water heater by 45 degrees, the human body cannot be effectively detected, a detection dead zone exists, and meanwhile, the sensitivity is poor. According to the utility model, the special arc cover 11 is designed above the radar unit 4, so that the angle of radar signals for detecting a human body in the electric water heater can be increased by the arc cover 11, and the sensitivity is improved.
In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The intelligent radar sensing power-off device is characterized by comprising a power supply unit, a relay unit, a control unit and a radar unit;
the power supply unit is electrically connected with the relay unit, the control unit and the radar unit and is used for providing power for the relay unit, the control unit and the radar unit;
the control unit is electrically connected with the radar unit and the relay unit, and the radar unit is used for detecting whether a human body exists in a working area;
the relay unit is electrically connected with a circuit for heating the workpiece, and the relay unit is used for switching on or switching off the circuit for heating the workpiece.
2. The device for sensing power failure of intelligent radar according to claim 1, further comprising a display unit, wherein the display unit comprises a display driving circuit and a display screen, one end of the display driving circuit is electrically connected with the control unit, and the other end of the display driving circuit is electrically connected with the display screen.
3. The device for sensing power failure of intelligent radar according to claim 1, further comprising a key unit, wherein the key unit comprises a key detection circuit and a key, one end of the key detection circuit is electrically connected with the control unit, and the other end of the key detection circuit is electrically connected with the key.
4. The smart radar-induced outage device according to claim 1, further comprising a temperature sensing unit electrically connected to the control unit.
5. The utility model provides an electric water heater of intelligence radar response outage, its characterized in that includes body, control box, apron installation cavity and the device of the intelligence radar response outage of any one of preceding claims 1 through 4, the control box sets up the downside of body front end, the control unit with the radar unit sets up in the control box, the radar unit orientation the front side of body, the apron installation cavity sets up one side of body, the power supply unit with the relay unit sets up in the apron installation cavity, the control unit with carry out the electricity through the circuit between the relay unit and connect.
6. The intelligent radar-induced powered-off electric water heater as recited in claim 5, wherein the control box is provided with a circular arc cover, and the circular arc cover is arranged on the periphery of the radar unit.
7. The intelligent radar-induced power-off electric water heater according to claim 6, wherein the arc cover is of a transparent structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320899733.8U CN219913495U (en) | 2023-04-20 | 2023-04-20 | Intelligent radar sensing power-off device and electric water heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320899733.8U CN219913495U (en) | 2023-04-20 | 2023-04-20 | Intelligent radar sensing power-off device and electric water heater using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219913495U true CN219913495U (en) | 2023-10-27 |
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ID=88434011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320899733.8U Active CN219913495U (en) | 2023-04-20 | 2023-04-20 | Intelligent radar sensing power-off device and electric water heater using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219913495U (en) |
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2023
- 2023-04-20 CN CN202320899733.8U patent/CN219913495U/en active Active
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