Anti-freezing ultraviolet sterilization module and method

Abstract

The invention provides an anti-freezing ultraviolet sterilization module and method, the anti-freezing ultraviolet sterilization module comprises a sterilization module main body, the sterilization module main body comprises a transparent tube, a shell and joint assemblies, a through cavity is formed in the shell, the transparent tube is arranged in the cavity, the joint assemblies are arranged at two ends of the transparent tube and are used for fixedly connecting the shell; an ultraviolet generating piece is arranged in the shell, is arranged outside the transparent tube and is configured to emit ultraviolet rays to the transparent tube; the temperature control system comprises a temperature sensor, a heating film and a controller, the temperature sensor is arranged in the shell, the heating film is arranged on the inner wall of the shell, and the controller is electrically connected with the temperature sensor and the heating film so that the controller can control the heating film to be opened and closed according to the temperature in the shell. The heating film is arranged outside the transparent tube, so that the sterilizing effect is not influenced by a low-temperature environment, and the application range and the reliability of the water sterilizing module are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ultraviolet sterilization, and particularly relates to an anti-freezing ultraviolet sterilization module and method. Background Art

[0002] With the improvement of people's requirements for water quality safety, water sterilization technology is widely used in the fields of drinking water treatment, industrial water treatment, and medical and health care. Common water sterilization technologies include various methods such as ultraviolet sterilization, ozone sterilization, and chemical agent sterilization. Among them, ultraviolet sterilization is widely used due to its advantages of high efficiency, no residue, and no secondary pollution.

[0003] Existing water sterilization modules have problems at low temperatures. When the ambient temperature or the water flow temperature is too low, it is easy for the inside of the water sterilization module to freeze. Freezing will cause the water flow channel to be blocked, affecting the normal water flow through; the freezing expansion may damage the internal structure of the sterilization module, and even cause permanent damage to the equipment. This problem is particularly prominent in cold regions or in winter.

[0004] Most of the existing water sterilization devices on the market currently lack effective anti-freezing protection measures. Some devices use simple water cut-off protection or remind users to stop using at low temperatures, which cannot meet the demand for continuous use at low temperatures. While some other devices use external heating devices for anti-freezing, but they require additional space and energy consumption, increasing the system complexity and usage cost. Summary of the Invention

[0005] Embodiments of the present invention provide an anti-freezing ultraviolet sterilization module and method. In this application, a heating film is arranged outside the transparent tube to ensure that the sterilization effect is not affected by the low-temperature environment, and the application range and reliability of the water sterilization module are improved.

[0006] In a first aspect, the present invention provides an anti-freezing ultraviolet sterilization module, including: A sterilization module main body, the sterilization module main body includes a transparent tube, a housing, and a joint assembly. A through cavity is formed in the housing. The transparent tube is arranged in the cavity. The joint assembly is arranged at both ends of the transparent tube and is used for fixedly connecting the housing. An ultraviolet generating member is arranged in the housing. The ultraviolet generating member is arranged outside the transparent tube and is configured to emit ultraviolet rays to the transparent tube; A temperature control system, the temperature control system includes a temperature sensor, a heating film, and a controller. The temperature sensor is arranged in the housing. The heating film is arranged on the inner wall of the housing. The controller is electrically connected to the temperature sensor and the heating film respectively, so that the controller controls the opening and closing of the heating film according to the temperature inside the housing.

[0007] In some embodiments of the present application, the temperature sensor is electrically connected to the ultraviolet generating element, so that the temperature sensor controls the turning on and off of the ultraviolet generating element according to the temperature inside the housing.

[0008] In some embodiments of the present application, the first connector is disposed at one end of the transparent tube for connecting a fluid pipe fitting, and the outer side of the first connector is connected to the first end of the housing; The second connector is disposed at the other end of the transparent tube for connecting a fluid pipe fitting, and the outer side of the second connector is connected to the second end of the housing.

[0009] In some embodiments of the present application, the ultraviolet generating element is composed of multiple independently controlled regions, and each region operates at a different power. The operating power of the region of the ultraviolet generating element close to the joint assembly is higher than that of the region of the ultraviolet generating element far from the joint assembly, and / or; The heating film is composed of multiple independently controlled regions, and each region operates at a different power. The operating power of the region of the heating film close to the joint assembly is higher than that of the region of the ultraviolet generating element far from the joint assembly.

[0010] In some embodiments of the present application, the ultraviolet generating element is in contact with the housing, and the heating film is provided with an installation notch, and the installation notch is directly opposite to the ultraviolet generating element, so that when the temperature is higher than the threshold value, the ultraviolet generating element can dissipate heat through the housing.

[0011] In some embodiments of the present application, a heat insulation layer is provided on the outer side of the heating film.

[0012] In some embodiments of the present application, a reflective layer is further included. The reflective layer is disposed between the heating film and the transparent tube, and the reflective layer is a material with high heat conduction ability, and / or; The reflective layer is disposed between the housing and the heating film, and the heating film is a grid-shaped film layer, and / or; The reflective layer is disposed between the housing and the heating film, and the heating film is a transparent ceramic material heating film.

[0013] In a second aspect, the present application discloses a control method. The method is applied to any of the above embodiments, and the method includes: Obtain a temperature value and a preset first temperature range. The temperature value includes the temperature value of the transparent tube, the temperature value of the housing or the temperature value of the joint.

[0014] If the temperature value is within the preset first temperature range, control the heating film to operate.

[0015] In some embodiments of the present application, the control method further includes: Obtain the temperature value and a preset second temperature range, where the lowest value of the second temperature range is higher than or equal to the highest value of the first temperature range; If the temperature value is within the preset second temperature range, control the ultraviolet generating component to operate.

[0016] In some embodiments of the present application, the control method further includes; Obtain the temperature value and a preset temperature threshold, where the preset temperature threshold is lower than the lowest value of the first temperature range; If the temperature value is lower than the preset temperature threshold, control the heating film and the ultraviolet generating component to operate simultaneously.

[0017] Advantages of the embodiments of the present invention: In the embodiments of the present invention, the anti-freezing ultraviolet sterilization module realizes the constant temperature regulation of the ultraviolet sterilization module in cold regions by arranging a heating film and a temperature sensor outside the transparent tube and controlling the operation of the heating film according to the temperature value of the outside of the transparent tube detected by the temperature sensor, effectively solving the problem that the ultraviolet sterilization module fails due to the freezing of the fluid in the ultraviolet sterilization module in a low-temperature environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 is a schematic structural diagram of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention; Figure 2 is a sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention; Figure 3 is another sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention; Figure 4 is yet another sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention; Figure 5 is a fourth sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention; Figure 6 is provided by an embodiment of the present invention Figure 5 an enlarged schematic view of part A therein; Figure 7It is a block diagram of an electronic device 1300 shown according to an exemplary embodiment.

[0020] Description of reference numerals: 1. Main body of the sterilization module; 11. Transparent tube; 12. Housing; 121. UV generator; 13. Connector assembly; 131. First connector; 132. Second connector; 2. Temperature control system; 21. Temperature sensor; 22. Heating film; 221. Installation notch; 23. Controller; 24. Reflective layer. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those skilled in the art without making creative efforts belong to the protection scope of the present invention. In addition, it should be understood that the specific implementation manners described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. In the present invention, unless otherwise stated, the orientation words such as "upper" and "lower" generally refer to the upper and lower in the actual use or working state of the device, specifically the drawing direction in the drawings; and "inner" and "outer" refer to the outline of the device.

[0022] Ultraviolet (UV) sterilization technology has been widely used in fields such as water treatment, medical equipment, food processing, and air purification due to its advantages of high efficiency, no chemical residue, and broad-spectrum sterilization. Ultraviolet rays destroy the DNA / RNA structure of microorganisms, making them lose their reproductive ability, thereby achieving the sterilization effect, especially the sterilization efficiency in the UV-C band (200 - 280nm) is the highest.

[0023] In a low-temperature environment (such as <5°C), the fluid is prone to freezing in the pipeline, resulting in a decrease in flow rate or even blockage, seriously affecting the reliability of the system.

[0024] Some existing modules use heat-insulating materials or increase the pipe diameter to delay freezing, but they cannot fundamentally solve the problem of the decrease in the sterilization efficiency of low-temperature fluids.

[0025] Please refer to Figures 1 to 2 as shown Figure 1 It is a schematic structural diagram of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention. Figure 2 It is a sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention. First, an embodiment of the present invention provides an anti-freezing ultraviolet sterilization module, and this module includes: The main body of the sterilization module 1, the main body of the sterilization module 1 includes a transparent tube 11, a housing 12 and a joint assembly 13. A through cavity is formed in the housing 12. The transparent tube 11 is arranged in the cavity. The joint assembly 13 is arranged at both ends of the transparent tube 11 and is used for fixedly connecting the housing 12. An ultraviolet generating element 121 is arranged in the housing 12. The ultraviolet generating element 121 is arranged outside the transparent tube 11 and is configured to emit ultraviolet rays to the transparent tube 11. The temperature control system 2, the temperature control system 2 includes a temperature sensor 21, a heating film 22 and a controller 23. The temperature sensor 21 is arranged in the housing 12. The heating film 22 is arranged on the inner wall of the housing 12. The controller 23 is electrically connected to the temperature sensor 21 and the heating film 22 respectively, so that the controller 23 controls the opening and closing of the heating film 22 according to the temperature in the housing 12.

[0026] It can be understood that the transparent tube 11 can be made of quartz material. The transparent tube 11 and the housing 12 are nested: it not only ensures the UV transmittance but also realizes physical protection through the housing 12.

[0027] Exemplarily, the temperature sensor 21 can be a PT100 or an NTC thermistor and should be close to the outer wall of the transparent tube 11 to directly monitor the fluid equivalent temperature and avoid control lag caused by the thermal inertia of the housing 12.

[0028] It can be understood that the temperature sensor 21 can set multiple temperature sensors 21 at different positions and then obtain the average value by combining algorithms, which can prevent mis-triggering of the control of the heating film 22.

[0029] Furthermore, the temperature sensor 21 can be set at a position far from the ultraviolet light emitting element 121 and the heating film 22 to avoid affecting the accuracy of the temperature data obtained by the temperature sensor 21.

[0030] It can be understood that the material of the heating film 22 includes but is not limited to a flexible silicone heating film 22 (temperature resistant above 200 °C), which is attached to the inner wall of the housing 12 to achieve uniform heating. The specific power density needs to be calculated according to the fluid flow rate and the target temperature (such as 50 - 200 W / m²).

[0031] Specifically, the controller 23 includes: a signal conversion unit for converting the temperature signal into a digital temperature value; a comparison unit for comparing the digital temperature value with a preset threshold; a driving unit for outputting a PWM signal to the heating film 22 according to the comparison result.

[0032] Furthermore, the setting of the heating film 22 can also avoid the accumulation of condensed water vapor from affecting the optical performance and extend the service life of the sterilization module.

[0033] It can be understood that the ultraviolet generating element 121 includes but is not limited to a UVC LED, and the ultraviolet generating element 121 includes but is not limited to one.

[0034] It should be noted that the application environment of the present application is not limited to the on-line sterilization of drinking water pipelines, but can also be the on-line sterilization of liquid medicine and food processing pipelines.

[0035] Advantages of the present application: By arranging a heating film 22 and a temperature sensor 21 outside the transparent tube 11, the antifreeze ultraviolet sterilization module controls the operation of the heating film 22 according to the temperature value outside the transparent tube 11 detected by the temperature sensor 21, ensuring that the ultraviolet sterilization module operates under ideal conditions, and effectively solving the problem that the fluid freezes in the ultraviolet sterilization module in a low-temperature environment, resulting in the failure of the ultraviolet sterilization module.

[0036] In the embodiment of the present application, the temperature sensor 21 is electrically connected to the ultraviolet generating component 121, so that the temperature sensor 21 controls the opening and closing of the ultraviolet generating component 121 according to the temperature inside the housing 12.

[0037] It can be understood that by directly electrically connecting the temperature sensor 21 and the ultraviolet generating component 121, on the basis of the original control of the heating film 22 to thaw the heating sterilization module, the ultraviolet generating component 121 is linked to control the heating and thawing of the sterilization module. Not only can the heating film 22 be used to heat the transparent tube 11, but also the transparent tube 11 can be heated by the ultraviolet generating component 121, further solving the risk of equipment failure of the ultraviolet sterilization module caused by low-temperature environment.

[0038] It can be understood that the heating film 22 can be controlled to thaw the sterilization module first. When the temperature rises to a suitable range, the ultraviolet generating component 121 can be used for thawing, and at the same time, the fluid can be sterilized. In extreme cases, the heating film 22 and the ultraviolet generating component 121 can be turned on simultaneously to thaw the sterilization module.

[0039] In the embodiment of the present application, the joint assembly 13 includes a first connector 131 and a second connector 132. The first connector 131 is arranged at one end of the transparent tube 11 and is configured to connect fluid pipe fittings. The outer side of the first connector 131 is connected to the first end of the housing 12; The second connector 132 is arranged at the other end of the transparent tube 11 and is configured to connect fluid pipe fittings. The outer side of the second connector 132 is connected to the second end of the housing 12.

[0040] In the embodiment of the present application, the transparent tube 11 and the housing 12 are fixed together through the first connector 131 and the second connector 132 to form a fixed water purification module, so that it can be connected to the fluid pipe fittings through the first connector 131 and the second connector 132 to perform ultraviolet sterilization on the fluid.

[0041] In the embodiments of the present application, the ultraviolet generating component 121 is composed of multiple independently controlled regions, and each region operates at a different power. The operating power of the region of the ultraviolet generating component 121 close to the joint assembly 13 is higher than that of the region of the ultraviolet generating component 121 far from the joint assembly 13, and / or; The heating film 22 is composed of multiple independently controlled regions, and each region operates at a different power. The operating power of the region of the heating film 22 close to the joint assembly 13 is higher than that of the region of the ultraviolet generating component 121 far from the joint assembly 13.

[0042] It can be understood that since the joint assembly 13 made of metal material (such as a stainless steel flange) has a high thermal conductivity and dissipates heat rapidly in a low-temperature environment, resulting in a sudden drop in the contact surface temperature, the joint between the joint assembly 13 and the pipeline and the connection with the transparent tube 11 are most likely to freeze. Therefore, the outer sleeve of the joint assembly 13 made of metal material can be made of a material that is not easy to conduct heat. The joint housing made of a material that is not easy to conduct heat can reduce the freezing efficiency of the inner wall of the joint assembly 13, and the joint assembly 13 made of a metal material that is easy to conduct heat on the inner side can conduct the heated air inside the sterilization module to the joint assembly 13 made of metal material to heat and thaw the inner side of the joint assembly 13.

[0043] Secondly, the sealing ring groove or thread gap inside the joint assembly 13 is prone to form a dead water area, and the poor flow accelerates icing. Therefore, the heating film 22 close to the joint assembly 13 can be set as a high-power heating film 22, and the heating film 22 close to the middle of the transparent tube 11 can be set as a heating film 22 with a lower power, so as to achieve the effect of energy saving.

[0044] Furthermore, different regions of the heating film 22 can be temperature-controlled separately. Combining the distribution of multiple temperature sensors 21 on the inner wall of the housing 12 can realize enhanced temperature control and thawing of different regions of the transparent tube.

[0045] See Figure 3 and Figure 4 shown, Figure 3 is another cross-sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention, Figure 4 is yet another cross-sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention. In the embodiments of the present application, the ultraviolet generating component 121 is in contact with the housing 12, and the heating film 22 has an installation notch 221 reserved. The installation notch 221 faces the ultraviolet generating component 121, so that when the temperature is higher than the threshold value, the ultraviolet generating component 121 can dissipate heat through the housing 12.

[0046] It can be understood that the abutment of the ultraviolet generator 121 and the housing 12 includes two installation methods. The first installation method is that the ultraviolet generator 121 is embedded in the inner wall of the housing 12, and the second installation method is that the ultraviolet generator 121 is arranged on the inner wall of the housing 12, but the ultraviolet generator 121 passes through the installation notch 221 and is located inside the heating film 22. Both methods can achieve heating the inside of the heating film 22 and dissipating heat through the housing 12 when the temperature is relatively high.

[0047] In this application, by providing the installation notch 221 on the heating film 22 opposite to the ultraviolet generator 121, it is ensured that the heating film 22 can heat the fluid in the transparent tube 11 at low temperatures, and the ultraviolet generator 121 can pass through the installation notch to sterilize the transparent tube 11 at normal temperatures. At the same time, when the temperature is too high, the housing 12 dissipates heat from the ultraviolet generator 121, improving the heat dissipation effect of the ultraviolet generator 121.

[0048] See Figure 5 and Figure 6 as shown in Figure 5 Fig. 4 is a fourth cross-sectional view of an anti-freezing ultraviolet sterilization module provided by an embodiment of the present invention. Figure 6 is provided by an embodiment of the present invention Figure 5 Fig. 5 is an enlarged schematic view of part A in Fig. 4. In some embodiments of the present application, a heat insulation layer is provided on the outer side of the heating film 22.

[0049] It can be understood that the heat insulation layer includes but is not limited to aerogel felt. It can be understood that adding a heat insulation layer outside the housing 12 reduces heat loss. Further, the heat insulation layer can be fixedly arranged on the outer layer of the heating film 22 or on the inner side of the outer shell 12.

[0050] In an embodiment of the present application, a reflective layer 24 is further included. The reflective layer 24 is arranged between the heating film 22 and the transparent tube 11, and the reflective layer 24 is made of a material with high heat conduction ability, and / or; The reflective layer 24 is arranged between the housing 12 and the heating film 22, and the heating film 22 is a grid-shaped film layer, and / or; The reflective layer 24 is arranged between the housing 12 and the heating film 22, and the heating film 22 is a transparent ceramic material heating film 22.

[0051] It can be understood that the reflective layer 24 is arranged between the heating film 22 and the transparent tube 11, and the reflective layer 24 is made of a material with high heat conduction ability, which can enable the ultraviolet rays emitted by the ultraviolet light-emitting component to be reflected multiple times to sterilize the fluid, reduce light attenuation, and can transfer the heat energy emitted by the heating film to the fluid well, reducing heat loss.

[0052] Secondly, by setting the length of the heating film 22 longer than that of the reflective layer 24, the heating film 22 can be exposed from the reflective layer and directly heat the transparent tube 11, achieving the same effect.

[0053] It can be understood that the reflective layer is disposed between the housing 12 and the heating film 22. The heating film 22 is a grid-like film layer, which can enable the ultraviolet rays emitted by the ultraviolet ray generating member 121 to perform multiple reflections on the fluid for sterilization, reduce light attenuation, and can directly transfer the heat energy emitted by the heating film 22 to the fluid, while isolating the housing 12 from the heating film 22 to reduce heat loss.

[0054] It can be understood that the reflective layer is disposed between the housing 12 and the heating film 22. The heating film 22 is a transparent ceramic material heating film 22, which can enable the ultraviolet rays emitted by the ultraviolet ray emitting member 121 to pass through the transparent ceramic material heating film 22 and perform multiple reflections on the fluid for sterilization, reduce light attenuation, and can directly transfer the heat energy emitted by the heating film 22 to the fluid, while isolating the housing 12 from the heating film 22 to reduce heat loss.

[0055] Further, a Hall flow sensor is installed at the water inlet of the transparent tube 11 or within the joint assembly, and data is fused with the temperature sensor 21 to calculate the required equivalent heating intensity in real time.

[0056] Further, fins can be provided on the inner wall of the housing 12 near the joint assembly 13 to quickly conduct heat to the joint assembly 13 for defrosting.

[0057] Further, piezoelectric ceramic vibrators are provided at both ends of the transparent tube 11 to mechanically defrost the inner wall of the transparent tube 11 when the liquid in the transparent tube 11 is at zero.

[0058] In a second aspect, the present application also discloses a control method, which may include the following steps: Obtain a temperature value and a preset first temperature range. The temperature value includes the temperature value of the transparent tube 11, the temperature value of the housing 12, or the temperature value of the joint.

[0059] If the temperature value is within the preset first temperature range, control the heating film 22 to operate.

[0060] It can be understood that the controller 23 performs self-check and reads the preset first temperature range. The temperature sensor 21 monitors the temperature value in real time and transmits data to the controller 23. The controller 23 compares the temperature value with the preset temperature threshold: if the temperature value is higher than the highest temperature threshold of the preset first temperature range, the system operates normally; if the temperature value is lower than the highest temperature threshold of the preset first temperature range, the controller 23 starts the heating film 22. When the temperature value rises above the preset temperature threshold, the controller 23 turns off the heating film 22 and resumes normal operation.

[0061] Exemplarily, the first temperature range can be -6°C to 6°C.

[0062] When the temperature sensor 21 detects that the temperature drops within the range of -6°C to 6°C, the heating film 22 can be turned on. Because when the water temperature approaches 0°C, there is a risk of water freezing, which will affect the normal operation of the sterilization module. Turning on the heating film 22 in advance can provide basic heat to prevent the water temperature from further decreasing. For example, in the outdoor environment in the north or an indoor environment without heating, the temperature may be in this low temperature range for a long time, and the continuous operation of the heating film 22 can maintain the temperature stability inside the module.

[0063] In the embodiments of the present application, the method may further include the following steps: Obtain a temperature value and a preset second temperature range, where the minimum value of the second temperature range is higher than or equal to the maximum value of the first temperature range; If the temperature value is within the preset second temperature range, control the ultraviolet generating component 121 to operate.

[0064] It can be understood that the controller 23 performs self-check and reads the preset second temperature range. The temperature sensor 21 monitors the temperature value in real time and transmits the data to the controller 23. The controller 23 compares the temperature value with the preset temperature threshold: if the temperature value is higher than the highest temperature threshold of the preset second temperature range, the system operates normally, and the ultraviolet generating component 121 only performs the sterilization function; if the temperature value is lower than the highest temperature threshold of the preset second temperature range, the controller 23 starts the heating film 22. When the temperature value rises above the preset temperature threshold, the controller 23 turns off the heating film 22 and resumes normal operation.

[0065] Exemplarily, the second temperature range can be 6°C to 10°C.

[0066] When the temperature sensor 21 detects that the temperature drops within the range of 6°C to 10°C, even if the water flow sensor detects that the water flow is not flowing, the ultraviolet generating component 121 can be turned on. At this time, it is not for sterilization, but to keep the ultraviolet sterilization module at a sufficient temperature to avoid freezing.

[0067] In some embodiments of the present application, the method may further include the following steps; Obtain a temperature value and a preset temperature threshold, where the preset temperature threshold is lower than the minimum value of the first temperature range; If the temperature value is lower than the preset temperature threshold, control the heating film 22 and the ultraviolet generating component 121 to operate simultaneously.

[0068] It can be understood that at lower temperatures, relying solely on the heating film 22 may not be sufficient to quickly and effectively raise and maintain the temperature inside the module. Specifically, when the temperature sensor 21 detects that the temperature drops below -8°C, the heating film 22 and the ultraviolet generator 121 are turned on. The ultraviolet generator 121 can sterilize while generating heat. Turning it on at this time can enhance the temperature increase effect and the sterilization function. For example, in extremely cold weather, the temperature may be lower than -8°C. The ultraviolet generator 121 and the heating film 22 work together to better ensure the normal operation of the sterilization module in a low-temperature environment.

[0069] See Figure 7 as shown Figure 7 is a block diagram of an electronic device 1300 shown according to an exemplary embodiment. As Figure 7 shown, the electronic device 1300 can be the above-mentioned anti-freeze ultraviolet sterilization module, including: a processor 1301 and a memory 1302. The electronic device 1300 may further include one or more of a multimedia component 1303, an input / output (I / O) interface 1304, and a communication component 1305.

[0070] Among them, the processor 1301 is used to control the overall operation of the electronic device 1300 to complete all or part of the steps in the above device control method. The memory 1302 is used to store various types of data to support the operation of the electronic device 1300. These data may include, for example, instructions for any application or method operating on the electronic device 1300, as well as application-related data, such as contact data, received and sent messages, pictures, audio, video, and so on. The memory 1302 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic memory, flash memory, a magnetic disk, or an optical disc. The multimedia component 1303 may include a screen and an audio component. The screen can be, for example, a touch screen, and the audio component is used to output and / or input audio signals. For example, the audio component may include a microphone, and the microphone is used to receive external audio signals. The received audio signal can be further stored in the memory 1302 or sent through the communication component 1305. The audio component also includes at least one speaker for outputting audio signals. The I / O interface 1304 provides an interface between the processor 1301 and other interface modules. The above other interface modules can be a keyboard, a mouse, buttons, etc. These buttons can be virtual buttons or physical buttons. The communication component 1305 is used for wired or wireless communication between the electronic device 1300 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or a combination of one or more of them, is not limited herein. Therefore, the corresponding communication component 1305 may include: a Wi-Fi module, a Bluetooth module, an NFC module, and so on.

[0071] In one exemplary embodiment, the electronic device 1300 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components for performing the above-described device control method.

[0072] In another exemplary embodiment, there is also provided a computer-readable storage medium including program instructions, which implement the steps of the above-described device control method when executed by a processor. For example, the computer-readable storage medium may be the above-described memory 1302 including program instructions, and the above program instructions may be executed by the processor 1301 of the electronic device 1300 to complete the above-described device control method.

[0073] The above provides a detailed introduction to the embodiments of the present invention. Specific examples are used herein to illustrate the principles and implementation manners of the present invention. The descriptions of the above embodiments are only for helping to understand the method and its core idea of the present invention; at the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. An anti-freezing ultraviolet sterilization module, characterized in that, Comprising: A sterilization module main body (1), the sterilization module main body (1) includes a transparent tube (11), a housing (12) and a joint assembly (13). A through cavity is formed in the housing (12), the transparent tube (11) is disposed in the cavity, the joint assembly (13) is disposed at both ends of the transparent tube (11) and is used for fixedly connecting the housing (12). An ultraviolet generating member (121) is disposed in the housing (12), the ultraviolet generating member (121) is disposed outside the transparent tube (11) and is configured to emit ultraviolet rays to the transparent tube (11). A temperature control system (2), the temperature control system (2) includes a temperature sensor (21), a heating film (22) and a controller (23). The temperature sensor (21) is disposed in the housing (12), the heating film (22) is disposed on the inner wall of the housing (12), and the controller (23) is electrically connected to the temperature sensor (21) and the heating film (22) respectively, so that the controller (23) controls the opening and closing of the heating film (22) according to the temperature in the housing (12).

2. The anti-freezing ultraviolet sterilization module according to claim 1, wherein, The controller (23) is electrically connected to the ultraviolet generating member (121), so that the temperature sensor (21) controls the opening and closing of the ultraviolet generating member (121) according to the temperature in the housing (12).

3. The anti-freezing ultraviolet germicidal module according to claim 2, wherein The joint assembly (13) includes a first connector (131) and a second connector (132). The first connector (131) is disposed at one end of the transparent tube (11) and is configured to connect a fluid pipe fitting. The outer side of the first connector (131) is connected to the first end of the housing (12). The second connector (132) is disposed at the other end of the transparent tube (11) and is configured to connect a fluid pipe fitting. The outer side of the second connector (132) is connected to the second end of the housing (12).

4. The anti-freezing ultraviolet sterilization module according to claim 1, wherein The ultraviolet generating member (121) is composed of a plurality of independently controlled regions, and each region operates at a different power. The operating power of the region of the ultraviolet generating member (121) close to the joint assembly (13) is higher than that of the region of the ultraviolet generating member (121) far from the joint assembly (13), and / or; The heating film (22) is composed of a plurality of independently controlled regions, and each region operates at a different power. The operating power of the region of the heating film (22) close to the joint assembly (13) is higher than that of the region of the ultraviolet generating member (121) far from the joint assembly (13).

5. The anti-freezing ultraviolet sterilization module according to claim 1, characterized in that The ultraviolet generating member (121) abuts against the housing (12), and the heating film (22) has an installation notch (221). The installation notch (221) is directly opposite to the ultraviolet generating member (121), so that when the temperature is higher than the threshold value, the ultraviolet generating member (121) can dissipate heat through the housing (12).

6. The anti-freezing ultraviolet sterilization module according to claim 1, wherein An insulating layer is disposed outside the heating film (22).

7. The anti-freezing ultraviolet sterilization module according to claim 1, wherein, It further includes a reflective layer (24), and the reflective layer (3) is disposed between the heating film (22) and the transparent tube (11). The reflective layer (24) is made of a material with high heat conduction ability, and / or; The reflective layer (24) is disposed between the housing (12) and the heating film (22), and the heating film (22) is a mesh-like film layer, and / or; The reflective layer (24) is disposed between the housing (12) and the heating film (22), and the heating film (22) is a heating film made of transparent ceramic material.

8. A control method for an anti-freezing ultraviolet sterilization module, which is applied to the anti-freezing ultraviolet sterilization module according to any one of claims 1 to 7, characterized in that, Comprising: Obtaining a temperature value and a preset first temperature range, where the temperature value includes the temperature value of the transparent tube (11), the temperature value of the housing (12), or the temperature value of the joint assembly (13); If the temperature value is within the preset first temperature range, controlling the heating film (24) to operate.

9. The control method according to claim 8, wherein Comprising: Obtaining the temperature value and a preset second temperature range, wherein the lowest value of the second temperature range is higher than or equal to the highest value of the first temperature range; If the temperature value is within the preset second temperature range, controlling the ultraviolet generating element (121) to operate.

10. The control method according to claim 9, wherein Comprising; Obtaining the temperature value and a preset temperature threshold, and the preset temperature threshold is lower than the lowest value of the first temperature range; If the temperature value is lower than the preset temperature threshold, controlling the heating film (22) and the ultraviolet generating element (121) to operate simultaneously.

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