CN218436307U - Electric iron - Google Patents
Electric iron Download PDFInfo
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- CN218436307U CN218436307U CN202222359021.5U CN202222359021U CN218436307U CN 218436307 U CN218436307 U CN 218436307U CN 202222359021 U CN202222359021 U CN 202222359021U CN 218436307 U CN218436307 U CN 218436307U
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Abstract
The utility model discloses an electric iron, be in including electric iron body and setting the hand (hold) on the electric iron body still includes: the human body pyroelectric sensor, the three-axis acceleration sensor, the heater and the main controller are connected with the main controller; detect electric iron's user state and motion state respectively through human heat release sensor and triaxial acceleration sensor, when electric iron was in operating condition, if human heat release sensor detected that electric iron is in unmanned user state, and triaxial acceleration sensor detected that electric iron is in quiescent condition, main control unit will reduce the power of heater gradually, and the power that reaches the heater falls to closing. Thus, the utility model avoids the potential safety hazard caused by the fact that the electric iron still works at fixed power and can not be automatically closed after the user leaves.
Description
Technical Field
The utility model relates to the technical field of household appliances, what especially relate to is an electric iron.
Background
An electric iron is a tool for smoothing clothes and cloth, and is one of household appliances necessary for modern families.
In the current market, when a conventional electric iron is in an operating state, if the electric iron is left, the electric iron still operates at a fixed power after a user leaves, and therefore, a potential safety hazard exists.
Accordingly, there is a need for improvements and developments in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide an electric iron to solve the problem that the safety hazard exists because the electric iron still works with a fixed power after the user leaves the electric iron if the electric iron is in the working state.
The technical scheme of the utility model as follows:
an electric iron, includes electric iron body and sets up the hand (hold) on the electric iron body, still includes: the human body pyroelectric sensor, the three-axis acceleration sensor, the heater and the main controller are connected with the main controller;
the human body pyroelectric sensor is arranged on the handle and connected with the main controller, and is used for detecting the use state of a user and sending a use state signal to the main controller;
the three-axis acceleration sensor is arranged on the electric iron body, is connected with the main controller, and is used for detecting the motion state of the electric iron and sending a motion state signal to the main controller;
the heater is arranged on the electric iron body and used for heating the electric iron;
the main controller is arranged on the electric iron body, is respectively connected with the human body heat release sensor, the three-axis acceleration sensor and the heater, and is used for controlling the working mode of the heater according to the use state signal and the motion state signal; wherein the operating modes include: a different gear heating mode and a shutdown mode.
The utility model discloses a further setting, main control unit includes: a main control chip; the second pin of the main control chip is connected with the heater, the ninth pin, the tenth pin and the fifteenth pin of the main control chip are connected with the triaxial acceleration sensor, and the seventeenth pin of the main control chip is connected with the human body pyroelectric sensor.
The utility model discloses a further setting, electric iron still includes: the temperature detection sensor is arranged on the electric iron body, the output end of the temperature detection sensor is connected with the input end of the main controller, and the temperature detection sensor is used for detecting the working temperature of the electric iron.
The utility model discloses a further setting, electric iron still includes: the water tank water yield detection sensor, the output of water tank water yield detection sensor is connected main control unit's input, the water tank water yield detects the water yield that is used for detecting the water tank.
The utility model discloses a further setting, electric iron still includes: and the key switch is connected with the main controller and is used for controlling the on-off state of the electric iron and adjusting the working mode of the electric iron.
The utility model discloses a further setting, electric iron still includes: the display screen is connected with the main controller and is used for displaying real-time information of the electric iron; the real-time information comprises working mode information, working temperature information and alarm information.
The utility model discloses a further setting, electric iron still includes: the buzzer is connected with the main controller and used for power on and power off prompting and abnormal alarming.
The utility model discloses a further setting, be provided with the transmission hole on the hand (hold), the transmission hole with human heat release sensor sets up relatively, human heat release sensor passes through the transmission hole detects user's user state.
The utility model discloses a further setting, human heat release sensor is infrared sensor.
The utility model discloses a further setting, triaxial acceleration sensing is capacitanc sensor.
The utility model provides an electric iron, be in including electric iron body and setting hand (hold) on the electric iron body still includes: the human body pyroelectric sensor, the three-axis acceleration sensor, the heater and the main controller are connected; the human body pyroelectric sensor is arranged on the handle and connected with the main controller, and is used for detecting the use state of a user and sending a use state signal to the main controller; the three-axis acceleration sensor is arranged on the electric iron body, is connected with the main controller, and is used for detecting the motion state of the electric iron and sending a motion state signal to the main controller; the heater is arranged on the electric iron body and used for heating the electric iron; the main controller is arranged on the electric iron body, is respectively connected with the human body heat release sensor, the three-axis acceleration sensor and the heater, and is used for controlling the working mode of the heater according to a use state signal and a motion state signal; wherein the operating modes include: a different gear heating mode and a shutdown mode. The utility model discloses a human pyroelectric sensor and triaxial acceleration sensor detect electric iron's user state and motion state respectively, when electric iron is in operating condition, if human pyroelectric sensor detects electric iron and is in unmanned user state, and triaxial acceleration sensor detects electric iron and is in quiescent condition, and main control unit will reduce the power of heater gradually, and the power that reaches the heater falls to closing. Thus the utility model discloses avoided the user to leave the back electric iron and still worked the unable self-closing potential safety hazard that leads to with fixed power.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a working principle diagram of the electric iron of the present invention.
Fig. 2 is a schematic view of the overall structure of the electric iron of the present invention.
Fig. 3 is a pin diagram of the central control chip of the present invention.
Fig. 4 is a schematic circuit diagram of the human body pyroelectric sensor of the present invention.
Fig. 5 is a schematic circuit diagram of a triaxial acceleration sensor according to the present invention.
Fig. 6 is a schematic circuit diagram of the first temperature detection sensor according to the present invention.
Fig. 7 is a schematic circuit diagram of the second temperature detection sensor according to the present invention.
The various symbols in the drawings: 10. an electric iron body; 11. a main controller; 12. a three-axis acceleration sensor; 13. a heater; 14. a temperature detection sensor; 15. a water tank water quantity detection sensor; 16. a key switch; 17. a display screen; 18. a buzzer; 20. a handle; 21 human body pyroelectric sensor; 22. a transmission aperture.
Detailed Description
The utility model provides an electric iron, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and lifts the example the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiments and claims, the articles "a", "an", "the" and "the" may include plural forms as well, unless the context specifically dictates otherwise. If there is a description in an embodiment of the present invention referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.
It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The inventor researches and discovers that when the electric iron is in a working state, if the electric iron is left in a free state, the electric iron still works at a fixed power, and the user can not know that the electric iron leaves and is automatically turned off, so that great potential safety hazards exist; in addition, the conventional electric iron judges whether the electric iron needs to be used by clicking the switch button, and when a user needs to iron a plurality of clothes, the switch button needs to be frequently clicked, which is very inconvenient.
In view of the above technical problem, the utility model discloses a set up human heat release sensor, triaxial acceleration sensor, heater and main control unit on electric iron, detect electric iron's user state and motion state respectively through human heat release sensor and triaxial acceleration sensor, when electric iron is in operating condition, if human heat release sensor detects electric iron and is in unmanned user state, and triaxial acceleration sensor detects electric iron and is in the quiescent condition, main control unit will reduce the power of heater gradually, until the power of heater drops to and closes; when the electric iron is in a power-off state, if the human body heat release sensor detects that the electric iron is in a human use state and the three-axis acceleration sensor detects that the electric iron is in a motion state, the main controller controls the electric iron to be powered on.
Referring to fig. 1 to 7, the present invention provides a preferred embodiment of an electric iron.
As shown in fig. 1 and fig. 2, the present invention provides an electric iron, which comprises an electric iron body 10 and a handle 20 disposed on the electric iron body 10, and further comprises: a human body pyroelectric sensor 21, a three-axis acceleration sensor 12, a heater 13 and a main controller 11. The body heat release sensor 21 is disposed on the handle 20 and configured to detect a use state of a user and send a use state signal to the main controller 11, the three-axis acceleration sensor 12 is disposed on the electric iron body 10 and configured to detect a motion state of the electric iron and send a motion state signal to the main controller 11, the heater 13 is disposed on the electric iron body 10 and configured to heat the electric iron, the main controller 11 is connected to the body heat release sensor 21 and the three-axis acceleration sensor 12 are connected to the heater 13, and a working mode of the heater 13 is controlled according to the use state signal and the motion state signal.
Specifically, the operation modes of the heater 13 include a different-gear heating mode and a shutdown mode. The heating modes of different gears are that corresponding gears are selected according to clothes to be ironed, and in the heating modes of different gears, the heater 13 outputs corresponding section temperature, the heater 13 generates heat in a balanced manner, and the electric iron is accurately controlled to work in the temperature section with the gears.
Therefore, when the electric iron is in a working state, if the human body heat release sensor detects that the electric iron is in an unmanned state, and the three-axis acceleration sensor detects that the electric iron is in a static state, the main controller starts timing at the moment, and after the preset time is reached, the main controller gradually reduces the power of the heater until the power of the heater is reduced to be closed, so that the potential safety hazard caused by the fact that the electric iron still works at fixed power and cannot be automatically closed after a user leaves is avoided. In addition, when the electric iron is in a power-off state, if the human body heat release sensor detects that the electric iron is in a human use state and the three-axis acceleration sensor detects that the electric iron is in a motion state, the main controller controls the electric iron to be powered on, so that the automatic starting of the electric iron is realized, and a power-on button does not need to be frequently clicked.
Referring to fig. 2, in a further implementation manner of an embodiment, a transmission hole 22 is formed in the handle 20, the transmission hole 22 is disposed opposite to the human body pyroelectric sensor 21, and the human body pyroelectric sensor 21 detects whether the user holds the handle 20 with a hand through the transmission hole 22, so as to detect the use state of the user.
Specifically, since the transmission hole 22 is disposed on the handle 20 and is opposite to the human body pyroelectric sensor 21, when a user holds the handle 20, the human body pyroelectric sensor 21 can sense the body temperature, so that the user can detect that the user uses the electric iron. When the user's hand leaves the handle 20, the body heat release sensor 21 cannot sense the body temperature, so that the user can detect that the electric iron is not used.
Referring to fig. 3, in a further implementation of an embodiment, the main controller 11 includes a main control chip. The second pin of the main control chip is a heater control pin and is connected with the heater 13, the sixth pin is a key switch pin and is connected with the key switch 16, the ninth pin is a data port pin of the triaxial acceleration sensor, the tenth pin is a clock port pin of the triaxial acceleration sensor, the fifteenth pin is a sleep-wake-up interrupt pin of the triaxial acceleration sensor, and the ninth pin, the tenth pin and the fifteenth pin are connected with the triaxial acceleration sensor 12. The ninth pin of the main control chip is connected with the second pin of the triaxial acceleration sensor 12, the tenth pin of the main control chip is connected with the twelfth pin of the triaxial acceleration sensor 12, and the fifteenth pin of the main control chip is connected with the fifth pin of the triaxial acceleration sensor 12; the seventeenth pin of the main control chip is a human body heat release sensor pin and is connected with the G end of the human body heat release sensor 21.
Referring to fig. 1 and 4, in some embodiments, the human pyroelectric sensor 21 is specifically an infrared sensor, and is made of pyroelectric sensitive materials, such as lead zirconate titanate (PZT), barium Strontium Titanate (BST), and Lithium Tantalate (LT). The human body heat release sensor 21 can receive an infrared signal released by a human body and send out a corresponding electric signal, so as to detect whether the human body contacts the infrared sensor. The output end of the human body pyroelectric sensor 21 is connected with the input end of the main controller 11, and the human body pyroelectric sensor 21 sends a use state signal of the electric iron to the main controller 11. Wherein, the induction temperature range of the human body pyroelectric sensor 21 is 34-38 ℃, and preferably 36 ℃.
The three-axis acceleration sensor 12 can sense motion states such as acceleration or vibration in different directions. Referring to fig. 1 and 5, in some embodiments, the three-axis acceleration sensor 12 may be a capacitive three-axis acceleration sensor, when a motion state of the three-axis acceleration sensor 12 in a certain direction changes to generate acceleration, a position of an electrode in the direction inside the sensor changes to cause a change in a capacitance value, an interface chip in the three-axis acceleration sensor 12 calculates and outputs a corresponding voltage value according to the change in the capacitance value, and an output end of the sensor is connected to an input end of the main controller 11 to send a motion state signal of the electric iron to the main controller 11. Wherein, the main control chip in the main controller 11 queries the output data of the three-axis acceleration sensor through the IIC protocol, so as to obtain the accurate motion state of the electric iron.
It should be noted that, electric iron is in the in-service use, because electric iron itself is provided with water tank and heater, the condition that influences infrared sensor work may appear, the utility model discloses a set up human heat release sensor and triaxial acceleration sensor simultaneously, main control unit 11 receives and analyzes the user state signal of human heat release sensor 21 output and the motion state signal of triaxial acceleration sensor 12 output, and then obtains electric iron comprehensive, accurate user state and motion state, controls the mode of operation of heater 13 according to electric iron's user state and motion state.
Referring to fig. 1, further, the electric iron further includes a buzzer 18, and the buzzer 18 is disposed on the electric iron body 10 and connected to the main controller 11, and is used for power on/off prompt and abnormal alarm of the electric iron. For example, when the electric iron is in a working state, if the human body heat release sensor detects that the electric iron is in an unattended state and the three-axis acceleration sensor detects that the electric iron is in a static state, the main controller starts to time, and after a preset time is reached, the main controller gradually reduces the power of the heater and starts a buzzer to give an alarm.
Referring to fig. 1, further, the electric iron further includes: and the display screen 17 is arranged on the electric iron body 10 and connected with the main controller 11, wherein the eleventh pin and the twelfth pin of the main control chip are display state pins and are connected with the display screen 17. The display screen 17 is used for displaying real-time information of the electric iron, wherein the real-time information includes: working mode information, working temperature information and alarm information. The user can clearly know the real-time working state of the electric iron by observing the real-time information on the display screen.
Referring to fig. 1, further, the electric iron further includes a temperature detection sensor 14, the temperature detection sensor 14 is disposed on the electric iron body 10 and connected to the main controller 11, wherein sixteenth and eighteenth pins of the main control chip are temperature detection sensor pins and connected to the temperature detection sensor 14, and an output end of the temperature detection sensor 14 is connected to an input end of the main controller 11. The temperature detection sensor 14 is used for detecting the operating temperature of the electric iron and sending operating temperature information to the main controller 11.
Specifically, the controller 11 compares the power supply working temperature with a temperature range corresponding to the working mode of the heater 13, and if the working temperature exceeds the corresponding temperature range, the main controller 11 starts the buzzer 18 to alarm and displays alarm information on the display screen 17 to remind the user that the temperature is too high at the moment. In addition, the temperature detection sensor 14 is provided with a maximum temperature alarm value, and the main controller 11 controls the heater 13 to be turned off when the operating temperature of the electric iron exceeds the maximum temperature alarm value.
Referring to fig. 1, 6 and 7, in some embodiments, the temperature detecting sensor 14 is made of an NTC thermistor material for detecting the operating temperature of the electric iron. The temperature detection sensors 14 may be provided in two, for example, a first temperature detection sensor NTC1 and a second temperature detection sensor NTC2. The first temperature detection sensor NTC1 and the second temperature detection sensor NTC2 are respectively disposed at the front end and the rear end of the bottom of the electric iron, so that the operating temperatures of the front end and the rear end of the bottom of the electric iron can be simultaneously detected, and the heater 13 can be accurately controlled to generate heat in a balanced manner.
With reference to fig. 1, the electric iron further includes a water tank water quantity detection sensor 15, the water tank water quantity detection sensor 15 is disposed on the electric iron body 10 and connected to the main controller 11, wherein fourteen pins of the main control chip are water tank water quantity detection sensor pins and connected to the water tank water quantity sensor 15, and an output end of the water tank water quantity detection sensor 15 is connected to an input end of the main controller 11. The tank water amount detection sensor 15 is used to detect a specific water amount of the water tank and transmit tank water amount information to the main control 11.
Specifically, water tank water yield detection sensor 15 can be the Hall sensor, detects water tank water yield information through the Hall sensor, sets up low water level and reports to the police, and when the water level was less than water level warning line, main control unit 11 starts 18 warnings of bee calling organ and shows alarm information on display screen 17, reminds the user that the water tank water yield was low this moment.
Referring to fig. 1, further, the electric iron further includes a push switch 16, and the push switch 16 is disposed on the electric iron body 10 and connected to the main controller 11. The push-button switch 16 is used for controlling the on-off state of the electric iron and adjusting the working mode of the electric iron.
Specifically, when the key switch 16 controls the electric iron to be turned on, the main controller 11 receives the power-on information and then starts the buzzer 18 and the display screen 17. When the key switch 16 selects different operation modes, the main controller 11 receives the operation mode information, controls the heater 13 to operate in the corresponding operation mode, and displays the operation mode on the display screen 17.
To sum up, the utility model provides an electric iron has following beneficial effect:
1. the using state and the motion state of the electric iron are detected through the human body heat release sensor and the three-axis acceleration sensor respectively, when the electric iron is in the working state, if the human body heat release sensor detects that the electric iron is in an unmanned using state and the three-axis acceleration sensor detects that the electric iron is in a static state, the main controller gradually reduces the power of the heater and starts the buzzer to alarm until the power of the heater is reduced to be closed, and therefore potential safety hazards caused by the fact that the electric iron cannot be automatically closed when the user leaves the electric iron and still works at fixed power are avoided;
2. when the electric iron is in a power-off state, if the human body heat release sensor detects that the electric iron is in a human use state and the three-axis acceleration sensor detects that the electric iron is in a motion state, the main controller controls the electric iron to be powered on, so that the automatic starting of the electric iron is realized, and a power-on button is not required to be frequently clicked.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An electric iron, includes the electric iron body and sets up the hand (hold) on the electric iron body, its characterized in that still includes: the human body pyroelectric sensor, the three-axis acceleration sensor, the heater and the main controller are connected with the main controller;
the human body pyroelectric sensor is arranged on the handle and connected with the main controller, and is used for detecting the use state of a user and sending a use state signal to the main controller;
the three-axis acceleration sensor is arranged on the electric iron body, is connected with the main controller, and is used for detecting the motion state of the electric iron and sending a motion state signal to the main controller;
the heater is arranged on the electric iron body and used for heating the electric iron;
the main controller is arranged on the electric iron body, is respectively connected with the human body heat release sensor, the three-axis acceleration sensor and the heater, and is used for controlling the working mode of the heater according to a use state signal and a motion state signal; wherein the operating modes include: a different gear heating mode and a shutdown mode.
2. An electric iron as claimed in claim 1, characterized in that the main controller comprises: a main control chip; wherein the content of the first and second substances,
the second foot of the main control chip is connected with the heater, the ninth foot, the tenth foot and the fifteenth foot of the main control chip are connected with the triaxial acceleration sensor, and the seventeenth foot of the main control chip is connected with the human body heat release sensor.
3. An electric iron as claimed in claim 1, characterized in that the electric iron further comprises: the temperature detection sensor is arranged on the electric iron body, the output end of the temperature detection sensor is connected with the input end of the main controller, and the temperature detection sensor is used for detecting the working temperature of the electric iron.
4. An electric iron as claimed in claim 1, characterized in that the electric iron further comprises: the water tank water yield detection sensor, the output of water tank water yield detection sensor is connected main control unit's input, water tank water yield detection sensor is used for detecting the water yield of water tank.
5. An electric iron as claimed in claim 1, characterized in that the electric iron further comprises: and the key switch is connected with the main controller and is used for controlling the on-off state of the electric iron and adjusting the working mode of the electric iron.
6. An electric iron as claimed in claim 1, characterized in that the electric iron further comprises: the display screen is connected with the main controller and is used for displaying real-time information of the electric iron; the real-time information comprises working mode information, working temperature information and alarm information.
7. An electric iron as claimed in claim 1, characterized in that the electric iron further comprises: the buzzer is connected with the main controller and used for power on and off prompt and abnormal alarm.
8. The electric iron as claimed in claim 1, wherein said handle has a transmission hole, said transmission hole is disposed opposite to said body pyroelectric sensor, and said body pyroelectric sensor detects the user's using status through said transmission hole.
9. An electric iron as claimed in claim 8, characterized in that the body heat release sensor is an infrared sensor.
10. An electric iron as claimed in claim 1, characterized in that the three-axis acceleration sensor is a capacitive sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359021.5U CN218436307U (en) | 2022-09-05 | 2022-09-05 | Electric iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359021.5U CN218436307U (en) | 2022-09-05 | 2022-09-05 | Electric iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218436307U true CN218436307U (en) | 2023-02-03 |
Family
ID=85103864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222359021.5U Active CN218436307U (en) | 2022-09-05 | 2022-09-05 | Electric iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218436307U (en) |
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2022
- 2022-09-05 CN CN202222359021.5U patent/CN218436307U/en active Active
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