Intelligent electric warmer with large-area heat radiation

By installing a detection module and wind speed control circuit in the heater, the wind speed is automatically adjusted according to the human body distance, solving the problem of hot air blowing directly to the human body, and improving the user's comfort and experience.

CN223216369UActive Publication Date: 2025-08-12NINGBO LIQI ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
CN202422321339.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-12
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

When existing electric heaters are heated through air convection, hot air blows directly to the human body, causing discomfort in use and affecting the user experience.

Method used

Install a detection module in the heater to detect the distance between the human body and adjust the rotation speed of the blower assembly through the main control chip and wind speed control circuit, so that the wind speed can be automatically adjusted according to the distance between the human body, decrease when approaching and increase when away from it.

Benefits of technology

It improves user comfort and intelligently adjusts the wind speed to ensure that the wind speed decreases when the human body is close to it and increases when it is far away, improving the use experience of the heater.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223216369U_ABST
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Abstract

The utility model discloses a large-area heat radiation intelligent electric warmer which comprises a warmer body and a base, and the warmer body comprises a heating body, an air blowing assembly, a main control chip, a detection module and an air speed control circuit. The heating body is arranged in the warmer body, and the air blowing assembly is arranged on the rear side of the heating body. The detection module is electrically connected with the main control chip, the main control chip is electrically connected with the air speed control circuit, the air speed control circuit is electrically connected with the air blowing assembly, and the detection module is used for detecting the distance between a user and the warmer body and outputting a signal to the main control chip. The main control chip outputs a control signal according to the input signal to control the rotating speed of the air blowing assembly through the air speed control circuit, and the rotating speed of the air blowing assembly meets the conditions that the farther the distance is, the higher the air speed is, and the closer the distance is, the smaller the air speed is. The detection module is added to detect the position of a human body in front of the electric warmer, so that the speed of hot air blown out of the electric warmer is automatically adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of heaters, in particular to an intelligent electric heater with large-area heat radiation. Background Art

[0002] A heater is a device used for heating in winter. A general electric heater uses a heating element to heat the air, and then uses a fan to blow the air to generate convection for heating.

[0003] For example, the Chinese patent with the announcement number CN210463205 U discloses a vertical electric heater, in which a warm air outlet hole is provided in the middle of the front of the front shell of the electric heater, and an electrical component installation cavity is provided inside. A heater is fixedly installed in the electrical component installation cavity aligned with the warm air outlet hole, and an air duct shell is connected to the rear of the heater, and an exhaust fan is connected to the rear of the air duct shell. The fan assists in blowing the hot air farther, and heats the air through air convection to provide heating.

[0004] However, the above-mentioned electric heater uses air convection to heat the room, and there is a strong hot air flow in front of the electric heater. When the hot air blows in the face of the human body, it is very uncomfortable, which affects the user experience. Utility Model Content

[0005] The purpose of this utility model is to provide an intelligent electric heater with large-area heat radiation. A detection module is installed on the main body of the heater. The detection module detects people in front of the air outlet. When people approach, the wind speed decreases, and when people move away, the wind speed increases. The wind speed of the hot air is intelligently adjusted so that the heater can heat at full power when there is no one in front, and reduce the wind speed when there are people to improve the user experience. At the same time, a large-area heating element is used to heat faster.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: an intelligent electric heater with large-area heat radiation, comprising a heater body and a base, the heater body comprising a heating element, a blowing component, a main control chip, a detection module and a wind speed control circuit; the heating element is arranged inside the heater body, and the blowing component is arranged on the rear side of the heating element; the detection module is electrically connected to the main control chip, the main control chip is electrically connected to the wind speed control circuit, and the wind speed control circuit is electrically connected to the blowing component, the detection module is used to detect the distance between the user and the heater body and output a signal to the main control chip, the main control chip outputs a control signal according to the input signal, and controls the rotation speed of the blowing component through the wind speed control circuit, and the rotation speed of the blowing component satisfies: the farther the distance, the greater the wind speed, and the closer the distance, the smaller the wind speed.

[0007] The present invention is further configured as follows: an air outlet grid and an air inlet grid are provided on the heater body, and the air convection blown by the blowing component is input from the air inlet grid and then blown out from the air outlet grid.

[0008] The present invention is further configured as follows: a mounting cavity is provided in the heater body, a heating element is fixedly installed in the mounting cavity, and a guide plate is connected between the heating element and the air outlet grid.

[0009] The present invention is further configured as follows: the detection module is an infrared distance measuring sensor, which detects the distance to the human body in front and transmits the signal to the control chip.

[0010] The present invention is further configured as follows: the detection module is a camera, which captures a position image of a human body in front and transmits it to the control chip in the form of a signal.

[0011] The utility model is further configured as follows: the blowing component is a fan or a blower or a turbofan.

[0012] The present invention is further configured as follows: an oscillating head assembly is provided in the heater body, and the oscillating head assembly drives the heater body to oscillate relative to the base.

[0013] The present invention is further configured as follows: the shaking head assembly includes a motor, a driving block and a crank, the output shaft of the motor is connected to the driving block, the driving block is hinged to the crank, the crank is hinged to a column on the base, and the column passes through an arc groove on the heater body.

[0014] The utility model is further configured as follows: the wind speed control circuit includes a transistor Q1, resistors R1, R2, and a diode D6; the D pole of the transistor Q1 is connected to the negative pole of the blowing component, the S pole of the transistor Q1 is grounded, and the G pole of the transistor Q1 is connected to the resistor R1 and then to the main control chip.

[0015] The present invention is further configured such that the signal outputted by the main control chip to the wind speed control circuit adopts a pulse width modulation method.

[0016] Compared with the existing technology, the intelligent electric heater of the present invention has added a detection module that can detect the position of the human body in front of the electric heater, thereby automatically adjusting the wind speed of the hot air blown out of the electric heater, so that the user can feel comfortable warm air and improve the user's experience of using the electric heater. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 2 is a perspective view of the intelligent electric heater in the embodiment.

[0018] Figure 2 2 is a cross-sectional view of the intelligent electric heater in the embodiment.

[0019] Figure 3 3. It is a structural diagram of the inner bottom surface of the heater body of the intelligent electric heater in the embodiment.

[0020] Figure 4 3. It is a structural diagram of the front inner side of the heater body of the intelligent electric heater in the embodiment.

[0021] Figure 5 1 is a block diagram of the operating principle of the intelligent electric heater detection module in the embodiment.

[0022] Figure 6 4 is a circuit diagram of the wind speed control circuit in the embodiment.

[0023] In the figure: 100, heater body; 101, heating element; 102, air blowing assembly; 103, main control chip; 104, detection module; 105, wind speed control circuit; 106, air outlet grid; 107, air inlet grid; 108, installation cavity; 109, guide plate; 110, circuit board; 111, motor; 112, drive block; 113, crank; 114, arc groove; 200, base; 201, column. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] like Figure 1-6 As shown, an intelligent electric heater with large-area heat radiation includes a heater body 100 , which includes a heating element 101 , a blowing component 102 , a main control chip 103 , a detection module 104 and a wind speed control circuit 105 .

[0026] An air outlet grid 106 and an air inlet grid 107 are provided on the outer shell of the heater main body 100. An installation cavity 108 is provided inside the heater main body 100. The heating element 101 is fixedly installed in the installation cavity 108. The blowing component 102 is arranged on the rear side of the heating element 101. A guide plate 109 is connected between the heating element 101 and the air outlet grid 106. When working, the blowing component 102 drives the hot air to be blown out from the air outlet grid 106 along the guide plate 109 to form an air convection heating temperature.

[0027] like Figure 2As shown, a detection module 104 and a circuit board 110 are provided above the air outlet grid 106, and a main control chip 103 and a wind speed control circuit 105 are provided on the circuit board 110. The detection module 104 is electrically connected to the main control chip 103, and the main control chip 103 is electrically connected to the wind speed control circuit 105. The signal output end of the detection module 104 is connected to the main control chip 103 to transmit the signal to the main control chip 103, and the wind speed control circuit 105 is electrically connected to the blowing component 102. The wind speed control circuit 105 can control the voltage output to the blowing component 102 to adjust the rotation speed of the fan blades in the blowing component 102, and the main control chip 103 outputs a signal to control the rotation speed of the blowing component 102 through the wind speed control circuit 105.

[0028] The detection module 104 is used to detect the position of the human body in front and send the position information to the control chip through a signal. The control chip receives the human body position signal and calculates the distance between the human body and the heater body 100, and then sends a signal to adjust the rotation speed of the blowing component 102 through the wind speed control circuit 105 so that the rotation speed meets the following requirements: the farther the distance, the greater the wind speed, and the closer the distance, the smaller the wind speed.

[0029] In this embodiment, the detection module 104 may preferably be an infrared distance sensor, which detects the distance to the human body in front and transmits the signal to the control chip.

[0030] In this embodiment, the detection module 104 can preferably be a camera, which captures the position image of the human body in front and transmits it to the control chip in the form of a signal. The control chip receives the data signal to determine whether the human body is far away or approaching, thereby adjusting the rotation speed of the blowing component 102.

[0031] In this embodiment, the blowing component 102 can be a fan, a blower, a turbofan, etc.

[0032] like Figure 3 As shown, a motor 111 is fixed inside the heater body 100. The output shaft of the motor 111 is connected to a drive block 112. The drive block 112 is connected to one end of a crank 113. The other end of the crank 113 is connected to a column 201. The column 201 is fixed to the base 200. An arc-shaped slot 114 is provided at the bottom of the heater body 100. The column 201 passes through the arc-shaped slot 114 and is connected to the crank 113. When the motor 111 is started, the reaction force causes the motor 111 to rotate with the heater body 100. The angle of the arc-shaped slot 114 is the angle of rotation of the heater body 100.

[0033] like Figure 5-6As shown, the detection module 104 is electrically connected to the main control chip 103, the main control chip 103 is electrically connected to the wind speed control circuit 105, the wind speed control circuit 105 is electrically connected to the blowing component 102, the detection module detects the position of the human body in front of the electric heater, and transmits the signal to the main control chip 103. The main control chip 103 runs and analyzes and outputs a signal to the wind speed control circuit 105. The voltage value output to the blowing component 102 is changed through pulse width modulation to adjust the rotation speed of the blowing component 102 and the size of the hot air flow.

[0034] The wind speed control circuit 105 includes a transistor Q1, resistors R1 and R2, and a diode D6. The D pole of the transistor Q1 is connected to the negative pole of the blowing component 102, the S pole of the transistor Q1 is grounded, the G pole of the transistor Q1 is connected to the resistor R1 and then to the main control chip 103, the two ends of the resistor R2 are respectively connected to the G pole and S pole of the transistor Q1, and the diode D6 is connected in parallel to the output end of the wind speed control circuit 105.

[0035] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. An intelligent electric heater with large-area heat radiation, comprising a heater body (100) and a base (200), characterized in that: The heater body (100) comprises a heating element (101), a blowing assembly (102), a main control chip (103), a detection module (104) and a wind speed control circuit (105); the heating element (101) is arranged inside the heater body (100), and the blowing assembly (102) is arranged on the rear side of the heating element (101); the detection module (104) is electrically connected to the main control chip (103), and the main control chip (103) is electrically connected to the wind speed control circuit (105). The wind speed control circuit (105) is electrically connected to the blowing component (102), the detection module (104) is used to detect the distance between the user and the heater body (100) and output a signal to the main control chip (103), and the main control chip (103) outputs a control signal according to the input signal to control the rotation speed of the blowing component (102) through the wind speed control circuit (105), and the rotation speed of the blowing component (102) satisfies: the longer the distance, the greater the wind speed, and the closer the distance, the smaller the wind speed.

2. The intelligent electric heater with large-area heat radiation according to claim 1, characterized in that: The heater body (100) is provided with an air outlet grid (106) and an air inlet grid (107), and the air convection blown by the blowing component (102) is input from the air inlet grid (107) and then blown out from the air outlet grid (106).

3. The intelligent electric heater with large-area heat radiation according to claim 2, characterized in that: An installation cavity (108) is provided in the heater body (100), a heating element (101) is fixedly installed in the installation cavity (108), and a guide plate (109) is connected between the heating element (101) and the air outlet grid (106).

4. The intelligent electric heater with large-area heat radiation according to claim 1, characterized in that: The detection module (104) is an infrared distance measuring sensor, which detects the distance to the human body in front and transmits the signal to the control chip.

5. The intelligent electric heater with large-area heat radiation according to claim 1, characterized in that: The detection module (104) is a camera that captures a position image of a human body in front and transmits it to a control chip in the form of a signal.

6. The intelligent electric heater with large-area heat radiation according to claim 1, characterized in that: The blowing component (102) is a fan, a blower or a turbofan.

7. The intelligent electric heater with large-area heat radiation according to claim 1, characterized in that: An oscillating head assembly is provided in the heater body (100), and the oscillating head assembly drives the heater body (100) to oscillate and rotate relative to the base (200).

8. The intelligent electric heater with large-area heat radiation according to claim 7, characterized in that: The oscillating head assembly includes a motor (111), a driving block (112) and a crank (113), wherein the output shaft of the motor (111) is connected to the driving block (112), the driving block (112) is hinged to the crank (113), and the crank (113) is hingedly fixed to a column (201) on the base (200), and the column (201) passes through an arc-shaped slot (114) on the heater body (100).

9. The intelligent electric heater with large-area heat radiation according to claim 1, characterized in that: The wind speed control circuit (105) comprises a transistor Q1, resistors R1 and R2, and a diode D6. The D pole of the transistor Q1 is connected to the negative pole of the blowing component (102), the S pole of the transistor Q1 is grounded, and the G pole of the transistor Q1 is connected to the resistor R1 and then to the main control chip (103).

10. The intelligent electric heater with large-area heat radiation according to claim 9, characterized in that: The signal outputted by the main control chip (103) to the wind speed control circuit (105) adopts a pulse width modulation method.

Citation Information

Patent Citations

  • Vertical electric heater

    CN210463205U