Noise reduction system of temperature adjusting device and temperature adjusting device

Abstract

The invention provides a noise reduction system of a temperature adjusting device and the temperature adjusting device, the temperature adjusting device comprises a draught fan, and the operation mode of the noise reduction system comprises the steps that when the temperature adjusting device is in a cooling priority mode, the draught fan operates at a first rotating speed; when the temperature adjusting device is not in the cooling priority mode, the temperature adjusting device compares the detected current environment temperature with a set value: when the current environment temperature is larger than or equal to the set value, the fan operates at a second rotating speed, and the second rotating speed is smaller than or equal to the first rotating speed; and when the current environment temperature is smaller than the set value, the fan operates at a third rotating speed which is smaller than the second rotating speed. According to the noise reduction system, the rotating speed of the draught fan can be automatically adjusted according to the scene mode and the current environment temperature, the noise reduction function can be achieved while the cooling effect is not reduced, and therefore the balance of the noise reduction function and the cooling function is achieved, a user does not need to manually adjust the rotating speed of the draught fan to achieve noise reduction, and good product experience is brought to the user.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a noise reduction system of a temperature control device and a temperature control device. Background Art

[0002] At present, various styles of portable thermostats have appeared on the market, such as neck hanging fans, etc. Portable thermostats are small and portable, with high thermostat efficiency. Whether it is home scenes, office scenes, driving scenes or outdoor travel scenes, they can also adjust the temperature for users, freeing the user's hands, and are deeply loved by users. Portable thermostats are usually equipped with a fan, which uses the wind blown by the fan to cool the user. However, when the user's cooling demand is large, the wind speed of the fan will be adjusted to a higher level. The high-speed operation of the fan will generate noise, which will interfere with the user and affect the user's daily life such as work, study, and rest, resulting in a bad product experience. In this case, if the noise is to be reduced, the user needs to manually adjust the speed of the fan. If the wind speed is adjusted too low, the user will feel hot subjectively. If it is adjusted too high, there will still be noise. If the fan is to find the perfect balance speed point (which does not affect the cooling and blowing effect and can reduce the noise to the lowest point), it will take the user a lot of time, and some fans are not stepless speed regulation, and the balance speed point cannot be found at all, which brings troubles and bad product experience to the user.

[0003] Based on this, it is necessary to improve the existing temperature control device to solve the above problems. Summary of the invention

[0004] In view of this, the present application provides a noise reduction system and a temperature control device for a temperature control device that can effectively solve the above-mentioned problems.

[0005] The present application provides a noise reduction system for a temperature control device, wherein the temperature control device includes a fan, and the operation mode of the noise reduction system includes: When the temperature regulating device is in the temperature reduction priority mode, the fan runs at a first speed; When the temperature control device is not in the cooling priority mode, the temperature control device compares the detected current ambient temperature with the set value: When the current ambient temperature is greater than or equal to the set value, the fan operates at a second speed, and the second speed is less than or equal to the first speed; When the current ambient temperature is lower than the set value, the fan operates at a third speed, and the third speed is lower than the second speed.

[0006] In one embodiment, the temperature control device reduces the actual rotation speed of the fan by limiting the rated rotation speed of the fan.

[0007] In one embodiment, the first rotational speed and the second rotational speed are equal and are both rated rotational speeds of the fan.

[0008] In one embodiment, the third rotational speed is 80%-90% of the second rotational speed.

[0009] In one embodiment, the third rotational speed is 85% of the second rotational speed.

[0010] In one embodiment, the set value is 30°C-34°C.

[0011] In one embodiment, the set value is 32°C.

[0012] In one embodiment, the operation of the noise reduction system further includes: When the current ambient temperature rises to the set value, the fan switches from the third speed to the second speed; When the current ambient temperature drops to a preset value, the fan switches from the second speed to the third speed, and the preset value is less than the set value.

[0013] In one embodiment, the difference between the set value and the preset value is 1-3.

[0014] In one embodiment, the temperature control device includes a temperature control component, the temperature control component has a hot end and a cold end, and the fan can dissipate heat for the hot end.

[0015] The present application also provides a temperature control device, which includes a shell and a fan, a power supply, a circuit board and a temperature sensor arranged in the shell, the temperature sensor is used to detect the current ambient temperature, the fan and the power supply are electrically connected to the circuit board respectively, the shell is provided with an air inlet and an air outlet corresponding to the fan, the wind generated by the operation of the fan is blown out through the air outlet, and the temperature control device also includes the noise reduction system of the temperature control device as described above.

[0016] In summary, the present application provides a noise reduction system of a temperature control device and a temperature control device, the temperature control device includes a fan, and the operation mode of the noise reduction system includes: when the temperature control device is in a cooling priority mode, the fan runs at a first speed; when the temperature control device is not in a cooling priority mode, the temperature control device compares the detected current ambient temperature with a set value: when the current ambient temperature is greater than or equal to the set value, the fan runs at a second speed, and the second speed is less than or equal to the first speed; when the current ambient temperature is less than the set value, the fan runs at a third speed, and the third speed is less than the second speed. The noise reduction system of the present application can automatically adjust the speed of the fan according to the scene mode and the current ambient temperature, so as to achieve the function of noise reduction without reducing the cooling effect, thereby achieving a balance between the noise reduction and cooling functions, and there is no need for the user to manually adjust the speed of the fan to achieve noise reduction, which brings a good product experience to the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the control flow of the noise reduction system of the temperature control device in one embodiment of the present application.

[0018] Figure 2 This is a schematic diagram of the control flow of a noise reduction system of a temperature control device in another embodiment of the present application. DETAILED DESCRIPTION

[0019] Before describing the embodiments in detail, it should be understood that the present application is not limited to the detailed structure or component arrangement described below or in the drawings in the present application. The present application may be an embodiment implemented in other ways. Moreover, it should be understood that the words and terms used herein are only used for descriptive purposes and should not be interpreted restrictively. The words "including", "comprising", "having" and the like used herein are meant to include the items listed thereafter, their equivalents and other additional items. In particular, when describing "a certain element", the present application does not limit the number of the element to one, but may also include multiple elements.

[0020] The present application provides a noise reduction system for a temperature control device. The temperature control device may be a device suitable for being worn on a human body, such as a neck hanging fan. The temperature control device includes a housing and a fan, a power supply, and a circuit board arranged in the housing. The fan and the power supply are electrically connected to the circuit board respectively. The housing is provided with an air inlet and an air outlet corresponding to the fan. The wind generated by the operation of the fan is blown out through the air outlet to cool the human body. The noise reduction system may be integrated on the circuit board to form a control module, or the noise reduction system may be separately manufactured into a control module and electrically connected to the circuit board.

[0021] Please refer to Figure 1As shown, in the present application, the operation mode of the noise reduction system includes: when the temperature control device is in the cooling priority mode, the fan runs at the first speed; when the temperature control device is not in the cooling priority mode, the temperature control device compares the detected current ambient temperature with the set value: when the current ambient temperature is greater than or equal to the set value, the fan runs at the second speed, and the second speed is less than or equal to the first speed; when the current ambient temperature is less than the set value, the fan runs at the third speed, and the third speed is less than the second speed. The noise reduction system of the present application can automatically adjust the speed of the fan according to the scene mode and the current ambient temperature, so as to achieve the function of noise reduction without reducing the cooling effect, thereby achieving a balance between noise reduction and cooling functions, without the need for users to manually adjust the speed of the fan to achieve noise reduction, and bring users a good product experience.

[0022] In this embodiment, the temperature control device is configured with a corresponding app. After a mobile communication device such as a mobile phone downloads the app, a user control interface can be formed on a real screen to realize remote control of the temperature control device. A plurality of function buttons are arranged on the user control interface, for example, a cooling mode button, a cooling priority button, a switch button, an automatic mode button, etc. When the cooling priority button is triggered, the temperature control device enters the cooling priority mode, and the fan runs at the first speed; when the cooling priority button is not triggered, the temperature control device runs in other modes except the cooling priority mode. At this time, the temperature control device enters the intelligent control mode, and compares the current ambient temperature obtained by real-time detection with the system setting value, so that the fan runs at the second speed or the third speed.

[0023] Among them, the temperature control device is also equipped with a temperature sensor, which is used to detect the current ambient temperature in real time and transmit the data to the noise reduction system. The current ambient temperature data can also be displayed in real time on the user control interface. The user control interface can also display the set temperature value. The set temperature value can be changed and set through the plus and minus buttons on the user control interface according to the actual needs of the user.

[0024] In some embodiments, the user control interface may also be directly provided on the housing of the temperature control device, or, instead of providing a user control interface, mechanical buttons, knobs, etc. may be provided on the housing for control.

[0025] Preferably, the first speed and the second speed are equal, and both the first speed and the second speed are the rated speeds of the fan, and the rated speed is the upper limit of the wind speed of the fan. The temperature control device reduces the actual speed of the fan by limiting the rated speed of the fan, thereby achieving the intelligent dynamic setting of the upper limit of the wind speed of the fan, reducing the actual speed of the fan, and achieving a balance between the noise reduction and temperature reduction functions, and finally achieving the function of the temperature control device to achieve noise reduction without reducing the cooling effect.

[0026] In this embodiment, the fan has the function of stepless speed regulation. A wind speed bar that can be adjusted by sliding left and right can be set on the user control interface. The temperature control device reduces the actual speed of the fan by limiting the rated speed of the fan. Specifically, when the wind speed bar is slid to the rightmost end, it indicates that the current operating state of the fan is 100% (maximum wind speed). When the temperature control device is in the cooling priority mode, the first speed is the rated speed of the fan, and the state of the wind speed bar at 100% indicates that the fan is working at the rated speed. When the temperature control device is in a mode other than the cooling priority mode, the second speed is the rated speed of the fan, and the state of the wind speed bar at 100% indicates that the fan is working at the rated speed. The third speed is less than the second speed. At this time, the state of the wind speed bar at 100% indicates that the fan is working at a speed less than the rated speed, thereby achieving the effect of noise reduction.

[0027] More specifically, the third speed is 80% to 90% of the second speed, preferably, the third speed is 85% of the second speed. The temperature setting value is 30°C to 34°C, preferably, the setting value is 32°C.

[0028] Further, in this embodiment, the temperature control device also includes a temperature control element, which is, for example, a semiconductor temperature control element, which is electrically connected to the circuit board, and has a hot end and a cold end, and the hot end or the cold end can be in contact with human skin, so as to achieve heating or cooling for the human body. When the temperature control element is in cooling mode, the fan can be set to dissipate heat to the hot end, and a heat dissipation port is provided on the shell corresponding to the hot end. In the shell, part of the wind generated by the fan is blown out through the air outlet, and the other part is blown to the hot end of the temperature control element and dissipated through the heat dissipation port. Since the fan has the functions of blowing air to cool down and dissipating heat for the temperature control element, in the prior art, if the speed of the fan is adjusted too low, the heat dissipation effect of the hot end of the temperature control element becomes worse, affecting the cooling effect of the temperature control element. At the same time, if the speed of the fan is adjusted too low, the user will feel hot subjectively. The present application adopts the detection of the ambient temperature value and the setting mode to set the maximum wind speed of the fan to realize the business logic closed loop, so that the temperature control device can achieve the function of noise reduction without reducing the cooling effect.

[0029] In a specific embodiment, the temperature control device will control the upper limit of the fan speed according to the different scene modes selected by the user on the app to avoid excessive noise or the cooling effect being affected by the wind speed. When the user selects the "cooling priority" scene mode on the app, the noise reduction system will determine that the user's current top priority is cooling, so the current temperature control component and the fan will work at full power. At this time, the 100% state of the fan speed bar indicates that the fan is working at the rated wind speed, thereby achieving a rapid cooling effect. In the current situation, the impact of noise on the user will be ignored. When the user cancels or does not select the "cooling priority" scene mode, the noise reduction system will make an intelligent judgment based on the current ambient temperature to determine whether a high wind speed is required for operation; when the current ambient temperature is less than 32°C, the system determines that the user's current environment may be indoors. At this time, the noise generated by the excessive wind speed of the fan will have a greater impact. Therefore, in this case, the noise reduction system will automatically limit the upper limit of the fan's wind speed to 85% of the rated speed. At this time, the state of the fan's wind speed bar of 100% indicates that the fan is working at 85% of the rated speed; when the current ambient temperature is greater than or equal to 32°C, the system determines that the user's current environment may be outdoor. At this time, a high wind speed is required for cooling and heat dissipation, and the impact of the fan noise outdoors is relatively not too obvious. Therefore, in this case, the noise reduction system will cancel the limit on the upper limit of the fan's wind speed, that is, the upper limit of the wind speed is the rated speed. At this time, the state of the fan's wind speed bar of 100% indicates that the fan is working at the rated speed.

[0030] Please refer to Figure 2 As shown, the operation mode of the noise reduction system also includes: when the current ambient temperature rises to a set value, the fan switches from the third speed to the second speed; when the current ambient temperature drops to a preset value, the fan switches from the second speed to the third speed, and the preset value is less than the set value.

[0031] The difference between the set value and the preset value is 1-3, and preferably, the difference between the set value and the preset value is 2.

[0032] When the user cancels or does not select the "cooling priority" scene mode, the noise reduction system will make an intelligent judgment based on the current ambient temperature to determine whether a high wind speed is required to work. On this basis, in order to avoid the current ambient temperature fluctuating up and down at the critical state of 32°C, the upper limit of the fan's wind speed will repeatedly change between 85% of the rated speed and 100% of the rated speed, causing the user to clearly feel the fan's wind speed is sometimes high and sometimes low when using it. By adding the preset value and the above-mentioned comparison procedure, when the current ambient temperature rises to 32°C, the noise reduction system cancels the limit of the wind speed upper limit, and the fan runs at 100% of the rated speed of the second speed to cool down. At this time, it is necessary to wait until the current ambient temperature drops to 30 (32-2)°C to re-trigger the function of limiting the fan's wind speed upper limit to 85% of the rated speed.

[0033] The present application also provides a temperature control device, which includes a shell and a fan, a power supply, a circuit board and a temperature sensor arranged in the shell, the temperature sensor is used to detect the current ambient temperature of the environment in which the temperature control device is currently located, the fan and the power supply are electrically connected to the circuit board respectively, the shell is provided with an air inlet and an air outlet corresponding to the fan, and the wind generated by the operation of the fan is blown out through the air outlet, the temperature control device also includes a noise reduction system of the temperature control device in the above-mentioned embodiment, the noise reduction system can be integrated on the circuit board to form a control module, or the noise reduction system can be made into a separate control module and electrically connected to the circuit board.

[0034] In summary, the present application provides a noise reduction system of a temperature control device and a temperature control device, the temperature control device includes a fan, and the operation mode of the noise reduction system includes: when the temperature control device is in a cooling priority mode, the fan runs at a first speed; when the temperature control device is not in a cooling priority mode, the temperature control device compares the detected current ambient temperature with a set value: when the current ambient temperature is greater than or equal to the set value, the fan runs at a second speed, and the second speed is less than or equal to the first speed; when the current ambient temperature is less than the set value, the fan runs at a third speed, and the third speed is less than the second speed. The noise reduction system of the present application can automatically adjust the speed of the fan according to the scene mode and the current ambient temperature, so as to achieve the function of noise reduction without reducing the cooling effect, thereby achieving a balance between the noise reduction and cooling functions, and there is no need for the user to manually adjust the speed of the fan to achieve noise reduction, which brings a good product experience to the user.

[0035] The concepts described herein may be implemented in other forms without departing from their spirit and characteristics. The specific embodiments disclosed should be considered illustrative rather than restrictive. Therefore, the scope of this application is determined by the appended claims rather than by the preceding description. Any changes within the literal meaning and equivalent scope of the claims should fall within the scope of these claims.

Claims

1. A noise reduction system for a temperature control device, characterized in that: The temperature control device includes a fan, and the operation mode of the noise reduction system includes: When the temperature regulating device is in the temperature reduction priority mode, the fan runs at a first speed; When the temperature control device is not in the cooling priority mode, the temperature control device compares the detected current ambient temperature with the set value: When the current ambient temperature is greater than or equal to the set value, the fan runs at a second speed, and the second speed is less than or equal to the first speed; When the current ambient temperature is lower than the set value, the fan operates at a third speed, and the third speed is lower than the second speed.

2. The noise reduction system for a temperature control device according to claim 1, characterized in that: The temperature regulating device reduces the actual rotation speed of the fan by limiting the rated rotation speed of the fan.

3. The noise reduction system of the temperature control device according to claim 1, characterized in that: The first rotational speed and the second rotational speed are equal and are both rated rotational speeds of the fan.

4. The noise reduction system for a temperature control device according to claim 1, characterized in that: The third rotation speed is 80% to 90% of the second rotation speed.

5. The noise reduction system for a temperature control device according to claim 4, characterized in that: The third rotational speed is 85% of the second rotational speed.

6. The noise reduction system for a temperature control device according to claim 1, characterized in that: The set value is 30°C~34°C.

7. The noise reduction system for a temperature control device according to claim 6, characterized in that: The set point is 32°C.

8. The noise reduction system for a temperature control device according to claim 1, characterized in that: The operation of the noise reduction system also includes: When the current ambient temperature rises to the set value, the fan switches from the third speed to the second speed; When the current ambient temperature drops to a preset value, the fan switches from the second speed to the third speed, and the preset value is less than the set value.

9. The noise reduction system for a temperature control device according to claim 8, characterized in that: The difference between the set value and the preset value is 1-3.

10. The noise reduction system for a temperature control device according to any one of claims 1 to 9, characterized in that: The temperature regulating device comprises a temperature regulating component, wherein the temperature regulating component has a hot end and a cold end, and the fan can dissipate heat for the hot end.

11. A temperature control device, characterized in that: The temperature control device includes a shell and a fan, a power supply, a circuit board and a temperature sensor arranged in the shell, the temperature sensor is used to detect the current ambient temperature, the fan and the power supply are electrically connected to the circuit board respectively, the shell is provided with an air inlet and an air outlet corresponding to the fan, the wind generated by the operation of the fan is blown out through the air outlet, and the temperature control device also includes a noise reduction system of the temperature control device according to any one of claims 1-10.

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