Ultraviolet sterilization device and water purification equipment comprising same

Abstract

The invention relates to the technical field of water purification equipment, particularly provides an ultraviolet sterilization device and water purification equipment comprising the ultraviolet sterilization device, and aims to solve the problem that the use experience of a user is poor due to the fact that an existing ultraviolet sterilization device cannot sterilize purified water and pure water of the water purification equipment at the same time. The ultraviolet sterilization device comprises a barrel and an ultraviolet sterilization component arranged in the barrel, the barrel is internally provided with a first sterilization channel and a second sterilization channel, the ultraviolet sterilization component is arranged to be capable of emitting ultraviolet light, and the ultraviolet light emitted by the ultraviolet sterilization component can reach the first sterilization channel and the second sterilization channel. Therefore, the ultraviolet sterilization component sterilizes the water flowing into the first sterilization channel and the second sterilization channel. The ultraviolet sterilization component can sterilize water flowing into the first sterilization channel and the second sterilization channel, so that two water sources can be sterilized, the sterilization efficiency is improved, the sterilization cost is reduced, and the use experience of a user is improved.

Description

Technical Field

[0001] The invention relates to the technical field of water purification equipment, and specifically provides an ultraviolet sterilization device and water purification equipment comprising the ultraviolet sterilization device. Background Art

[0002] As people's living standards improve, their demand for drinking water is also increasing. Water purifiers, pipeline machines and other drinking water purification equipment have gradually become essential drinking water facilities in people's daily lives.

[0003] Water purification equipment on the market is usually used in conjunction with an ultraviolet sterilization device, which is installed at the pure water end to sterilize the pure water. However, after the tap water is treated by the pre-filter, the residual chlorine in the tap water is removed, and microorganisms may reproduce in the pipeline from the pre-activated carbon to the reverse osmosis membrane filter. Long-term use will cause microbial contamination of the membrane surface of the reverse osmosis membrane filter, resulting in odor in the output water. Adding an ultraviolet sterilization device at the front end will increase the cost of the water purification equipment.

[0004] In the prior art, the sterilization device can only sterilize the pure water source of the water purification equipment, and cannot sterilize the purified water and pure water of the water purification equipment at the same time, resulting in a poor user experience. Summary of the invention

[0005] The present invention aims to solve the above technical problem, that is, to solve the problem that the existing ultraviolet sterilization device cannot sterilize the purified water and pure water of the water purification equipment at the same time, resulting in a poor user experience.

[0006] In a first aspect, the present invention provides an ultraviolet sterilization device, which includes a cylinder and an ultraviolet sterilization component arranged in the cylinder, wherein the cylinder has a first sterilization channel and a second sterilization channel, and the ultraviolet sterilization component is configured to emit ultraviolet light and the ultraviolet light emitted by the ultraviolet sterilization component can reach the first sterilization channel and the second sterilization channel, so that the ultraviolet sterilization component can sterilize water flowing into the first sterilization channel and the second sterilization channel.

[0007] In the preferred technical solution of the above-mentioned ultraviolet sterilization device, the cylinder and the ultraviolet sterilization component together form the first sterilization channel, and the ultraviolet sterilization device also includes a water pipe, at least a portion of which is located in the first sterilization channel and the second sterilization channel is formed in the water pipe, wherein the water pipe is made of a transparent material.

[0008] In the preferred technical solution of the above-mentioned ultraviolet sterilization device, the ultraviolet sterilization component includes a protective shell and an ultraviolet lamp arranged in the protective shell, the cylinder and the protective shell together form the first sterilization channel, at least a portion of the water pipe is spirally spiraled around the axis of the protective shell to form a spiral tube, and there is a gap between two adjacent spiral turns of the spiral tube.

[0009] In the preferred technical solution of the above-mentioned ultraviolet sterilization device, the ultraviolet sterilization device also includes a guide plate, which is spirally spiraled along the length direction of the protective shell with the axis of the protective shell as the center to form a spiral guide plate, the inner side of the spiral guide plate abuts against the outer wall of the protective shell, and the outer side of the spiral guide plate abuts against the inner wall of the cylinder, so that water in the first sterilization channel flows along the spiral guide plate. When installed, the spiral guide plate is located between two adjacent spiral coils of the spiral tube and the gap is formed between the spiral guide plate and at least one of the spiral coils.

[0010] In the preferred technical solution of the above-mentioned ultraviolet sterilization device, a plurality of protrusion structures are arranged on the spiral guide plate, and the protrusion structures have reflective surfaces and can reflect the ultraviolet light emitted by the ultraviolet lamp.

[0011] In the preferred technical solution of the above-mentioned ultraviolet sterilization device, a first interface and a second interface are provided on the cylinder, and the water pipe also includes a first connecting pipe and a second connecting pipe provided at both ends of the spiral pipe, the first connecting pipe passes through the first interface and is sealedly connected to the first interface, the second connecting pipe passes through the second interface and is sealedly connected to the second interface, and the ultraviolet sterilization device also includes a shock-absorbing component, which is sleeved on the outside of the first connecting pipe and / or the second connecting pipe, one end of the shock-absorbing component abuts against the inner wall of the cylinder, and the other end of the shock-absorbing component abuts against the spiral pipe to prevent the water pipe from moving.

[0012] In the preferred technical solution of the above ultraviolet sterilization device, the ultraviolet lamp includes a lamp holder and a lamp body mounted on the lamp holder, one end of the protective shell has an opening, and at least a portion of the lamp holder is elastic and can seal the opening.

[0013] In a second aspect, the present invention provides a water purification device, which includes the ultraviolet sterilization device introduced above.

[0014] In the preferred technical scheme of the above-mentioned water purification equipment, the water purification equipment includes a pre-filter unit, a reverse osmosis filtration unit and a booster pump, the ultraviolet sterilization device is arranged at the downstream end of the pre-filter unit, and the ultraviolet sterilization device is arranged at the upstream end of the booster pump, wherein the water outlet end of the pre-filter unit is connected to the water inlet end of the first sterilization channel, the water outlet end of the first sterilization channel is connected to the water inlet end of the reverse osmosis filtration unit, and the water outlet end of the reverse osmosis filtration unit is connected to the water inlet end of the second sterilization channel; or the water outlet end of the pre-filter unit is connected to the water inlet end of the second sterilization channel, the water outlet end of the second sterilization channel is connected to the water inlet end of the reverse osmosis filtration unit, and the water outlet end of the reverse osmosis filtration unit is connected to the water inlet end of the first sterilization channel.

[0015] In the preferred technical solution of the above-mentioned water purification equipment, the water outlet end of the pre-filter unit is connected to the water inlet end of the second sterilization channel, the water outlet end of the second sterilization channel is connected to the water inlet end of the reverse osmosis filtration unit, the water outlet end of the reverse osmosis filtration unit is connected to the water inlet end of the first sterilization channel, and the water purification equipment also includes a water outlet component, and the water outlet end of the first sterilization channel is connected to the water outlet component.

[0016] When adopting the above-mentioned preferred technical solution, by setting up the first sterilization channel and the second sterilization channel, the two water sources of the water purification equipment can flow into the first sterilization channel and the second sterilization channel respectively, so that the ultraviolet sterilization component can sterilize the water flowing into the first sterilization channel and the second sterilization channel at the same time, thereby improving the sterilization efficiency, reducing the sterilization cost, and greatly improving the user experience.

[0017] Furthermore, compared with the form of setting a partition in the cylinder, a water pipe is set in the cylinder, the ultraviolet sterilization component and the cylinder together form a first sterilization channel, and a second water channel is formed in the water pipe. This can reduce the processing difficulty of the ultraviolet sterilization device and improve the processing efficiency of the ultraviolet sterilization device. At the same time, the water pipe is made of a transparent material, which can also avoid reducing the sterilization effect of the ultraviolet sterilization component on the water in the first sterilization channel due to the setting of the water pipe.

[0018] Furthermore, by setting the water pipe as a spiral tube, the flow distance of water in the water pipe can be extended, the retention time of water in the cylinder can be extended, and the sterilization effect of the ultraviolet sterilization component on the water in the water pipe can be improved; by setting the spiral tube to have a gap between two adjacent coils, the ultraviolet light emitted by the ultraviolet lamp can pass through the water pipe through the gap between the coils of the spiral tube, thereby avoiding affecting the sterilization efficiency of the water in the first sterilization channel due to the setting of the water pipe.

[0019] Furthermore, by providing a guide plate, the water in the first sterilization channel can be guided so that the water in the first sterilization channel flows along the spiral guide plate, thereby extending the flow distance of the water in the first sterilization channel in the cylinder, increasing the sterilization time, and greatly improving the sterilization efficiency of the ultraviolet sterilization component on the water in the first sterilization channel; by arranging the spiral guide plate to be located between two adjacent coils of the spiral tube, the spiral tube and the spiral guide plate can be interlaced and nested with each other, saving the installation space of the guide plate and the water pipe in the cylinder, and improving the space utilization rate in the cylinder.

[0020] Furthermore, by arranging a protruding structure on the guide plate, the ultraviolet light emitted by the ultraviolet lamp can be reflected with the help of the reflective surface on the protruding structure. The ultraviolet light after multiple reflections is superimposed on each other, thereby increasing the light intensity of the ultraviolet light. At the same time, the irradiation range of the ultraviolet light is increased to improve the sterilization efficiency. The protruding structure can also be used to further intercept the water in the first sterilization channel, further reduce the flow rate of the water, prolong the retention time of the water in the first sterilization channel in the cylinder, and further improve the sterilization effect of the ultraviolet sterilization component on the water in the first sterilization channel.

[0021] Furthermore, by providing a shock-absorbing component, it is possible to prevent the water pipe from moving when water suddenly enters the water pipe, avoid generating noise, and at the same time, it is also possible to prevent the water pipe from colliding with the tube cover and sleeve and causing rupture, thereby extending the service life of the water pipe.

[0022] Furthermore, by setting at least a portion of the lamp holder to be elastic, on the one hand, it is possible to facilitate the lamp holder to seal the opening, thereby avoiding the use of a sealing component and improving assembly efficiency; on the other hand, it is also possible to conveniently install the ultraviolet lamp in the protective shell through the lamp holder without the use of fasteners to fix the ultraviolet lamp in the protective shell, thereby further improving the assembly efficiency of the ultraviolet sterilization component.

[0023] In addition, the water purification equipment further provided by the present invention on the basis of the above-mentioned technical scheme includes the ultraviolet sterilization device introduced above, and thus has the beneficial effects of the above-mentioned ultraviolet sterilization device. Compared with the water purification equipment before the improvement, the water purification equipment of the present invention has a better sterilization effect, and the water channel between the pre-filtration unit and the reverse osmosis filtration unit is less likely to breed bacteria. The cost of the water purification equipment is lower, and the user experience is better.

[0024] Furthermore, by setting the ultraviolet sterilization device at the downstream end of the pre-filter unit, the pollutants in the water can be removed by the pre-filter unit first, and the filtered water then enters the ultraviolet sterilization device for sterilization, thereby preventing the pollutants in the water from forming scale in the ultraviolet sterilization device, thereby preventing the sterilization efficiency of the ultraviolet sterilization device from being affected by scaling; compared with setting the ultraviolet sterilization device at the downstream end of the booster pump, setting the ultraviolet sterilization device at the upstream end of the booster pump can prevent the water from flowing too fast in the ultraviolet sterilization device, thereby preventing the sterilization effect from being affected by the excessively fast water flow rate, thereby improving the sterilization effect of the ultraviolet sterilization component.

[0025] Furthermore, the water outlet end of the pre-filter unit is connected with the second sterilization channel, and the water outlet end of the reverse osmosis filter unit is connected with the first sterilization channel, so that the pure water with relatively less impurities flowing out from the water outlet end of the reverse osmosis filter unit can enter the first sterilization channel, and the pure water with relatively more impurities flowing out from the water outlet end of the pre-filter unit can enter the second sterilization channel, thereby preventing the calcium and magnesium ions in the pure water from scaling in the first sterilization channel and adhering to the protective shell, affecting the ultraviolet light irradiation effect, thereby avoiding affecting the ultraviolet sterilization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0027] Figure 1 The structure of the ultraviolet disinfection device of the present invention is shown in FIG. Figure 1 ;

[0028] Figure 2 The structure of the ultraviolet disinfection device of the present invention is shown in FIG. Figure 2 ;

[0029] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along line AA;

[0030] Figure 4 yes Figure 2 Schematic diagram of the structure after the sleeve is hidden;

[0031] Figure 5 This is a connection diagram of a first embodiment of a water purification device of the present invention;

[0032] Figure 6 This is a connection diagram of a second embodiment of the water purification device of the present invention;

[0033] Figure 7 This is a connection diagram of a third embodiment of the water purification device of the present invention;

[0034] Figure 8 It is a connection diagram of the fourth embodiment of the water purification device of the present invention.

[0035] List of reference numerals:

[0036] 1. UV sterilization device; 11. Cylinder; 111. Sleeve; 112. Cylinder cover; 1101. First sterilization channel; 1102. Water inlet; 1103. Water outlet; 1104. First interface; 1105. Second interface; 12. Water pipe; 1201. Second sterilization channel; 121. First connecting pipe; 122. Second connecting pipe; 123. Spiral tube; 1231. Spiral coil; 1232. Gap; 13. Spiral guide vane; 131. Protruding structure; 141. Protective shell; 1411, opening; 142, ultraviolet lamp; 1421, lamp holder; 1422, lamp body; 143, reflector; 151, first shock-absorbing pad; 152, second shock-absorbing pad; 21, first composite filter element; 22, PP cotton filter element; 23, front activated carbon filter element; 31, second composite filter element; 32, reverse osmosis membrane filter element; 33, rear activated carbon filter element; 41, water outlet pipe; 42, water outlet component; 5, booster pump; 6, water inlet pipe; 7, wastewater pipe; 8, water pipe. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0038] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0039] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Based on the problem mentioned in the background technology that the existing sterilization device can only sterilize one water source, resulting in a poor user experience, the present invention provides an ultraviolet sterilization device. By reasonably arranging the space inside the ultraviolet sterilization device, it is possible to sterilize two water sources at the same time, thereby improving the sterilization efficiency and reducing the sterilization cost, thereby greatly improving the user experience.

[0041] Specifically, see Figures 1 to 4 , Figure 1 The structure of the ultraviolet disinfection device of the present invention is shown in FIG. Figure 1 , Figure 2 The structure of the ultraviolet disinfection device of the present invention is shown in FIG. Figure 2 , Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along line AA; Figure 4 yes Figure 2 Schematic diagram of the structure after the sleeve is hidden.

[0042] like Figures 1 to 4 As shown, the ultraviolet sterilization device 1 of the present invention includes a barrel 11 and an ultraviolet sterilization component arranged in the barrel 11, and the barrel 11 has a first sterilization channel 1101 and a second sterilization channel 1201. The ultraviolet sterilization component is configured to emit ultraviolet light and the ultraviolet light emitted by the ultraviolet sterilization component can reach the first sterilization channel 1101 and the second sterilization channel 1201, so that the ultraviolet sterilization component can sterilize the water flowing into the first sterilization channel 1101 and the second sterilization channel 1201.

[0043] Through such a configuration, that is, by configuring the first sterilization channel 1101 and the second sterilization channel 1201, the ultraviolet sterilization component can sterilize the water flowing into the first sterilization channel 1101 and the second sterilization channel 1201 at the same time, thereby improving the sterilization efficiency, reducing the sterilization cost, and greatly improving the user experience.

[0044] It should be noted that, in actual applications, the present invention does not impose any restrictions on the specific formation of the first sterilization channel 1101 and the second sterilization channel 1201, as long as the ultraviolet sterilization component can simultaneously sterilize the water flowing into the first sterilization channel 1101 and the second sterilization channel 1201, etc. Such adjustments and changes to the specific settings of the first sterilization channel 1101 and the second sterilization channel 1201 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0045] In a specific embodiment, a cylindrical partition is disposed in the cylinder 11, and the cylindrical partition divides the internal space of the cylinder 11 into a first sterilization channel and a second sterilization channel (not shown in the figure) which are nested with each other.

[0046] In another specific embodiment, a flat partition is disposed in the cylinder 11, and the flat partition divides the internal space of the cylinder 11 into two first sterilization channels and a second sterilization channel (not shown in the figure) disposed side by side.

[0047] In another specific embodiment, the cylinder 11 and the ultraviolet sterilization component together form a first sterilization channel 1101, and a water pipe 12 is further provided in the cylinder 11, and a second sterilization channel 1201 is formed in the water pipe 12, wherein the water pipe 12 is made of a transparent material (such as Figure 3 shown).

[0048] It should be noted that, although the above three embodiments can enable the ultraviolet sterilization device 1 to sterilize the water in the first sterilization channel 1101 and the second sterilization channel 1201 at the same time, compared with the form of setting a partition in the cylinder, setting a water pipe 12 in the cylinder body 11, the ultraviolet sterilization component and the cylinder body 11 together form the first sterilization channel 1101, and the second water channel is formed in the water pipe 12. This can reduce the processing difficulty of the ultraviolet sterilization device 1 and improve the processing efficiency of the ultraviolet sterilization device 1. At the same time, it can also improve the space utilization rate in the cylinder body 11, and improve the sterilization effect of the ultraviolet sterilization component on the water in the first sterilization channel 1101 and the second sterilization channel 1201. At the same time, setting the water pipe 12 to be made of a transparent material can also avoid reducing the sterilization effect of the ultraviolet sterilization component on the water in the first sterilization channel 1101 due to the setting of the water pipe 12.

[0049] Preferably, if Figure 3 and Figure 4 As shown, the barrel 11 and the ultraviolet sterilization component of the present invention together form a first sterilization channel 1101, and the ultraviolet sterilization device 1 also includes a water pipe 12 arranged in the barrel 11, at least a portion of the water pipe 12 is located in the first sterilization channel 1101 and a second sterilization channel 1201 is formed in the water pipe 12, wherein the water pipe 12 is made of a transparent material.

[0050] Specifically, Figures 1 to 3 As shown, the barrel 11 is provided with a water inlet 1102 and a water outlet 1103 which are connected to the first sterilization channel 1101 . External water can enter the first sterilization channel 1101 from the water inlet 1102 , and sterilized water flows out from the water outlet 1103 .

[0051] It should be noted that, in actual applications, those skilled in the art may configure the cylinder 11 as an integrated structure, or may configure the cylinder 11 to include a sleeve 111 and a cylinder cover 112, etc. Such adjustments and changes to the specific setting type of the cylinder 11 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0052] Preferably, if Figures 1 to 3 As shown, the cylinder body 11 of the present invention includes a sleeve 111 and a cylinder cover 112 disposed on the sleeve 111 , and the cylinder cover 112 can be sealed and placed on top of the sleeve 111 .

[0053] Through such a configuration, compared with configuring the cylinder 11 as an integrated structure, configuring the cylinder 11 as a structure including a sleeve 111 and a cylinder cover 112 can facilitate the installation and disassembly of the ultraviolet sterilization device 1, and can also facilitate the cleaning of the inner wall of the cylinder 11, further improving the user experience.

[0054] It should be noted that, in actual applications, those skilled in the art may configure the sleeve 111 to be threadedly connected to the cylinder cover 112 so that the cylinder cover 112 is sealed over the sleeve 111, or may configure the sleeve 111 to be snap-connected to the cylinder cover 112 so that the cylinder cover 112 is sealed over the sleeve 111, and so on. Such adjustments and changes to the specific connection method between the sleeve 111 and the cylinder cover 112 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0055] Preferably, the sleeve 111 and the sleeve cover 112 of the present invention are threadedly connected.

[0056] It should be noted that, in actual applications, those skilled in the art may set the barrel 11 to be made of plastic material, or may also set the barrel 11 to be made of stainless steel, or may also set the barrel 11 to be any other possible form, etc. Such adjustments and changes to the specific setting material of the barrel 11 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0057] Preferably, the cylinder 11 of the present invention is made of stainless steel.

[0058] It should be noted that, in actual applications, those skilled in the art may configure the water pipe 12 to be a glass tube made of glass, or may configure the water pipe 12 to be a transparent plastic tube made of PET or PP, etc. Such adjustments and changes to the specific setting materials of the water pipe 12 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0059] Preferably, the water pipe 12 is a transparent plastic pipe made of PET or PP.

[0060] Through such an arrangement, compared with arranging the water pipe 12 as a glass tube, arranging the water pipe 12 as a transparent plastic tube can prevent the water pipe 12 from being broken due to collision, thereby extending the service life of the water pipe 12.

[0061] It should be noted that, in actual applications, those skilled in the art may set the water pipe 12 to be a straight pipe, or, may set the water pipe 12 to be a curved pipe, or, may set the water pipe 12 to be a spiral pipe, etc. Such adjustments and changes to the specific setting shape of the water pipe 12 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0062] Preferably, if Figure 3 and Figure 4 As shown, the ultraviolet sterilization component of the present invention includes a protective shell 141 and an ultraviolet sterilization lamp 142 arranged in the protective shell 141, the cylinder 11 and the protective shell 141 together form a second sterilization channel 1102, at least a portion of the water pipe 12 is spirally spiraled around the axis of the protective shell 141 to form a spiral tube 123, and a gap 1232 is provided between two adjacent spiral coils 1231 of the spiral tube 123.

[0063] Through such an arrangement, on the one hand, by configuring the water flow pipe 12 as a spiral tube, the flow distance of water in the water flow pipe 12 can be extended, the retention time of water in the cylinder 11 can be extended, and the sterilization effect of the ultraviolet sterilization component on the water in the water flow pipe 12 is improved; on the other hand, by configuring the spiral tube 123 to have a gap 1232 between two adjacent spiral coils 1231, the ultraviolet light emitted by the ultraviolet lamp 142 can pass through the water flow pipe 12 through the gap 1232 between the spiral coils 1231 of the spiral tube, thereby improving the sterilization efficiency of the ultraviolet sterilization component on the water in the first sterilization channel 1101.

[0064] It should be noted that the spiral coil 1231 of the spiral tube 123 refers to a plurality of spaced-apart tube segments formed by the spiral tube 123 along the axial direction of the protective shell 141, and a gap between two adjacent spiral coils 1231 refers to a gap between a plurality of spaced-apart tube segments formed along the axial direction of the protective shell 141.

[0065] In a specific embodiment, only a portion of the water pipe 12 is configured as a spiral pipe.

[0066] In another specific embodiment, all water pipes 12 are configured as spiral pipes.

[0067] Preferably, if Figure 3 and Figure 4 As shown, a portion of the water pipe 12 is a spiral pipe 123.

[0068] Preferably, if Figure 3 and Figure 4As shown, the ultraviolet sterilization device 1 of the present invention also includes a guide plate, which is spirally spiraled along the length direction of the protective shell 141 with the axis of the protective shell 141 as the center to form a spiral guide plate 13, the inner side of the spiral guide plate 13 abuts against the outer wall of the protective shell 141, and the outer side of the spiral guide plate 13 abuts against the inner wall of the cylinder 11, so that the water in the first sterilization channel 1101 flows along the spiral guide plate 13. When installed, the spiral guide plate 13 is located between two adjacent spiral coils 1231 of the spiral tube 123, and a gap 1232 is formed between the spiral guide plate 13 and at least one of the spiral coils 1231.

[0069] Through such an arrangement, on the one hand, by setting the guide plate, the water in the first sterilization channel 1101 can be guided, so that the water in the first sterilization channel 1101 flows along the spiral guide plate 13, thereby extending the flow distance of the water in the first sterilization channel 1101 in the cylinder 11, increasing the sterilization time, and greatly improving the sterilization efficiency of the ultraviolet sterilization component on the water in the first sterilization channel 1101; on the other hand, by setting the spiral guide plate 13 to be located between two adjacent coils 1231 of the spiral tube, the spiral tube and the spiral guide plate 13 can be interlaced and nested with each other, saving the installation space of the guide plate 13 and the water pipe 12 in the cylinder 11, and improving the space utilization rate in the cylinder 11.

[0070] It should be noted that, in actual applications, those skilled in the art may configure the spiral guide vane 13 to form a gap 1232 with the spiral coil 1231 above it, or may configure the spiral guide vane 13 to form a gap 1232 with the spiral coil 1231 below it, or may configure the spiral guide vane 13 to have a gap 1232 between the spiral coils 1231 on its upper and lower sides, and so on. Such flexible adjustments and changes do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0071] Preferably, if Figure 3 and Figure 4 As shown, the spiral guide plate 13 is fixedly connected to the spiral coil 1231 above it and a gap 1232 is formed between the spiral coil 1231 below it.

[0072] Through such an arrangement, on the one hand, the spiral coil 1231 above the spiral guide plate 13 can be fixed on the spiral guide plate 13, thereby preventing the water pipe 12 from moving or shaking, and further preventing the water pipe 12 from colliding with the guide plate 13 and breaking. On the other hand, compared with the form in which the spiral guide plate 13 is arranged to form a gap 1232 with the spiral coil 1231 above it, the spiral guide plate 13 is arranged to form a gap 1232 with the spiral coil 1231 below it, so that the ultraviolet light emitted by the ultraviolet lamp 142 can be irradiated more to the water flowing along the spiral guide plate 13 through the gap 1232, thereby further improving the sterilization efficiency.

[0073] It should be noted that, in actual applications, those skilled in the art may arrange the spiral guide plate 13 and the spiral coil 1231 above it to be fixedly connected by fasteners, or may also fix the spiral guide plate 13 and the spiral coil 1231 above it by snap-fitting, etc. Such flexible adjustments and changes do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0074] Preferably, the spiral guide plate 13 and the spiral coil 1231 thereon are arranged to be fixedly connected via fasteners (not shown in the figure).

[0075] It should be noted that, in actual applications, those skilled in the art may configure the outer side of the spiral guide vane 13 to be connected to the inner wall of the cylinder 11, and when installed, the inner side of the spiral guide vane 13 abuts against the outer wall of the protective shell 141, or the inner side of the spiral guide vane 13 may be configured to be connected to the outer wall of the protective shell 141, and when installed, the outer side of the spiral guide vane 13 abuts against the inner wall of the cylinder 11, and so on. Such adjustments and changes to the specific connection method between the spiral guide vane 13, the cylinder 11 and the ultraviolet sterilization component do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0076] Preferably, the spiral guide vane 13 of the present invention is connected to the outer wall of the protective shell 141 .

[0077] It should be noted that, in actual applications, those skilled in the art may configure the inner side of the spiral guide vane 13 to be integrally formed with the outer wall of the protective shell 141, or configure the inner side of the spiral guide vane 13 to be fixedly connected to the outer wall of the protective shell 141, etc. Such flexible adjustments and changes do not deviate from the principles and scope of the present invention, and should be included in the protection scope of the present invention.

[0078] Preferably, the inner side of the spiral guide plate 13 of the present invention is integrally formed with the outer wall of the protective shell 141, so that the assembly efficiency of the sterilization device can be improved.

[0079] It should be noted that, in actual applications, those skilled in the art may set the surface of the spiral guide vane 13 to be flat, or may set a protruding structure 131 on the surface of the spiral guide vane 13, wherein the protruding structure 131 has a reflective surface, etc. Such adjustments and changes to the specific setting type of the spiral guide vane 13 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0080] Preferably, if Figure 3 and Figure 4 As shown, a plurality of protruding structures 131 are provided on the spiral guide plate 13 of the present invention. The protruding structures 131 have a reflective surface and can reflect the ultraviolet light emitted by the ultraviolet lamp 142 .

[0081] By providing the protruding structure 131, on the one hand, the ultraviolet light emitted by the ultraviolet lamp 142 can be reflected by means of the reflective surface on the protruding structure 131, and the ultraviolet light after multiple reflections is superimposed on each other, thereby increasing the light intensity of the ultraviolet light and, at the same time, increasing the irradiation range of the ultraviolet light and improving the sterilization efficiency; on the other hand, by providing the protruding structure 131, the water in the first sterilization channel 1101 can be further intercepted, the flow rate of the water can be further reduced, the retention time of the water in the first sterilization channel 1101 in the cylinder 11 can be prolonged, and the sterilization effect of the ultraviolet sterilization component on the water in the first sterilization channel 1101 can be further improved.

[0082] It should be noted that, in actual applications, those skilled in the art may configure the protrusion structure 131 to be integrally formed with the spiral guide vane 13, or may configure the protrusion structure 131 to be fixedly connected to the spiral guide vane 13, etc. Such adjustments and changes to the specific connection method between the protrusion structure 131 and the spiral guide vane 13 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0083] Preferably, the protruding structure 131 and the spiral guide vane 13 are integrally formed.

[0084] It should be noted that, in actual applications, those skilled in the art may set the reflective surface to a reflective plane, or may set the reflective surface to a reflective curved surface, etc. Such adjustments and changes to the specific setting types of the reflective surface do not deviate from the principles and scope of the present invention, and should be included in the protection scope of the present invention.

[0085] Preferably, the reflective surface is a reflective plane.

[0086] In a specific embodiment, Figure 3 and Figure 4As shown, the protruding structure 131 is a triangular rib, wherein one plane of the triangular rib is connected to the surface of the spiral guide vane 13, and the other two planes of the triangular rib form a reflective plane.

[0087] In another specific embodiment, the protruding structure 131 is a polyhedral structure, wherein one plane of the polyhedral structure is connected to the surface of the spiral guide plate 13 , and the remaining planes of the polyhedral structure form a reflective plane.

[0088] Exemplarily, the protruding structure 131 is a tetrahedral structure, a hexahedral structure, an octahedral structure, a dodecahedral structure or a combination thereof.

[0089] It should be noted that, in actual applications, the protrusion structure 131 may be distributed at intervals along the length direction of the guide plate, or may be distributed at intervals along the width direction of the guide plate, and so on. Such adjustments and changes to the specific distribution mode of the protrusion structure 131 on the guide plate do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0090] Preferably, if Figure 3 As shown, a first interface 1104 and a second interface 1105 are provided on the barrel 11 of the present invention, and the water pipe 12 also includes a first connecting pipe 121 and a second connecting pipe 122 arranged at both ends of the spiral tube 123, the first connecting pipe 121 passes through the first interface 1104 and is sealedly connected to the first interface 1104, the second connecting pipe 122 passes through the second interface 1105 and is sealedly connected to the second interface 1105, and the ultraviolet sterilization device 1 also includes a shock-absorbing component, which is sleeved on the outside of the first connecting pipe 121 and / or the second connecting pipe 122, one end of the shock-absorbing component abuts against the inner wall of the barrel 11, and the other end of the shock-absorbing component abuts against the spiral tube 123 to prevent the water pipe 12 from moving.

[0091] By providing a shock-absorbing component, it is possible to prevent the water pipe 12 from moving when water suddenly enters the water pipe 12, thereby avoiding noise. At the same time, it is also possible to avoid the water pipe 12 from colliding with the cylinder cover 112 and the sleeve 111 and causing rupture, thereby extending the service life of the water pipe 12.

[0092] It should be noted that, in actual applications, those skilled in the art may configure the shock-absorbing component as a shock-absorbing pad, or, may configure the shock-absorbing component as an elastic member, etc. Such adjustments and changes to the specific setting types of the shock-absorbing component do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0093] Preferably, the shock absorbing member of the present invention is a shock-absorbing pad.

[0094] It should be noted that, in actual applications, those skilled in the art may only set the shock-absorbing component on the outside of the first connecting tube 121, or may only set the shock-absorbing component on the outside of the second connecting tube 122, or may also set the shock-absorbing component on the outside of both the first connecting tube 121 and the second connecting tube 122, and so on. Such adjustments and changes to the specific setting positions of the shock-absorbing components do not deviate from the principles and scope of the present invention, and should be included in the protection scope of the present invention.

[0095] Preferably, if Figure 3 As shown, the shock absorbing member includes a first shock absorbing pad 151 sleeved on the outside of the first connecting pipe 121 and a second shock absorbing pad 152 sleeved on the outside of the second connecting pipe 122 .

[0096] It should be noted that, in actual applications, those skilled in the art may configure the ultraviolet lamp 142 to be fixed in the protective shell 141 by fasteners, or, may configure the ultraviolet lamp 142 to be snap-connected in the protective shell 141, or, may configure the ultraviolet lamp 142 to include a lamp holder 1421 and a lamp body 1422, one end of the protective shell 141 having an opening 1411, at least a portion of the lamp holder 1421 being elastic and capable of sealing the opening 1411, thereby fixing the ultraviolet lamp 142 in the protective shell 141, and so on. Such adjustments and changes to the specific installation method of the ultraviolet lamp 142 in the protective shell 141 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0097] Preferably, if Figure 3 As shown, the ultraviolet lamp 142 includes a lamp holder 1421 and a lamp body 1422 mounted on the lamp holder 1421 . One end of the protective shell 141 has an opening 1411 . At least a portion of the lamp holder 1421 is elastic and can seal the opening 1411 .

[0098] By setting at least a portion of the lamp holder 1421 to be elastic, on the one hand, it is possible to facilitate the lamp holder 1421 to seal the opening 1411, thereby avoiding the use of sealing components and improving assembly efficiency; on the other hand, it is also possible to conveniently install the ultraviolet lamp 142 in the protective shell 141 through the lamp holder 1421, without the need to use fasteners to fix the ultraviolet lamp 142 in the protective shell 141, thereby further improving the assembly efficiency of the ultraviolet sterilization component.

[0099] In a specific embodiment, the lamp holder 1421 is made of silicone material. When the lamp holder 1421 is installed in the protective shell 141 , the outer wall of the lamp holder 1421 can directly fit tightly with the inner wall of the protective shell 141 to seal the opening 1411 .

[0100] In another specific embodiment, only the outer wall of the lamp holder 1421 is made of silicone material. When the lamp holder 1421 is installed in the protective shell 141 , the outer wall of the lamp holder 1421 can directly fit tightly with the inner wall of the protective shell 141 to seal the opening 1411 .

[0101] Preferably, the outer wall of the lamp holder 1421 is made of silicone material.

[0102] Preferably, the ultraviolet sterilization component of the present invention further includes a reflector 143 disposed in the protective shell 141 , and the reflector 143 is disposed in the protective shell 141 at a side away from the lamp holder 1421 .

[0103] By providing the reflective element 143, the ultraviolet light emitted by the ultraviolet lamp 142 can be reflected, so that the light of the ultraviolet lamp 142 is more concentrated and the sterilization efficiency is higher.

[0104] It should be noted that, in actual applications, those skilled in the art may configure the reflector 143 to be a plurality of obliquely placed reflective tubes, or may configure the reflector 143 to be a reflective plate, etc. Such adjustments and changes to the specific setting type of the reflector 143 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0105] Preferably, the reflective member 143 is a plurality of reflective tubes arranged obliquely.

[0106] In addition, the present invention also provides a water purification device, which includes the ultraviolet sterilization device 1 introduced above.

[0107] It should be noted that, in actual applications, those skilled in the art may set the ultraviolet sterilization device 1 at the upstream end of the pre-filter unit of the water purification equipment, or may set the ultraviolet sterilization device 1 at the downstream end of the pre-filter unit of the water purification equipment, and so on. Such adjustments and changes to the specific setting position of the ultraviolet sterilization device 1 in the water purification equipment do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0108] It should also be noted that, in actual applications, those skilled in the art may set the ultraviolet sterilization device 1 at the upstream end of the booster pump 5, or, may set the ultraviolet sterilization device 1 at the downstream end of the booster pump 5, and so on. Such adjustments and changes to the specific setting positions between the ultraviolet sterilization device 1 and the booster pump 5 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0109] Next Read Figures 5 to 8 , Figure 5 This is a connection diagram of a first embodiment of a water purification device of the present invention; Figure 6 This is a connection diagram of a second embodiment of the water purification device of the present invention; Figure 7 This is a connection diagram of a third embodiment of the water purification device of the present invention; Figure 8 It is a connection diagram of the fourth embodiment of the water purification device of the present invention.

[0110] Preferably, if Figures 5 to 8 As shown, the water purification device of the present invention includes a pre-filtration unit, a reverse osmosis filtration unit and a booster pump 5 , the ultraviolet sterilization device 1 is arranged at the downstream end of the pre-filtration unit, and the ultraviolet sterilization device 1 is located at the upstream end of the booster pump 5 .

[0111] By setting the ultraviolet sterilization device 1 at the downstream end of the pre-filter unit, the pollutants in the water can be removed by the pre-filter unit first, and the filtered water then enters the ultraviolet sterilization device 1 for sterilization, thereby preventing the pollutants in the water from forming dirt in the ultraviolet sterilization device 1, thereby preventing the presence of dirt from affecting the sterilization efficiency of the ultraviolet sterilization device 1; by setting the ultraviolet sterilization device 1 at the upstream end of the booster pump 5, it is possible to avoid the water flow speed being too fast due to setting the ultraviolet sterilization device 1 at the downstream end of the booster pump 5, thereby improving the sterilization effect of the ultraviolet sterilization component on the water in the first sterilization channel 1101.

[0112] In a specific embodiment, the water outlet of the pre-filter unit is connected to the water inlet of the first sterilization channel 1101, the water outlet of the first sterilization channel 1101 is connected to the water inlet of the reverse osmosis filtration unit, and the water outlet of the reverse osmosis filtration unit is connected to the water inlet of the second sterilization channel 1102.

[0113] In another specific embodiment, the water outlet of the pre-filter unit is connected to the water inlet of the second sterilization channel 1102, the water outlet of the second sterilization channel 1102 is connected to the water inlet of the reverse osmosis filtration unit, and the water outlet of the reverse osmosis filtration unit is connected to the water inlet of the first sterilization channel 1101.

[0114] Although the above two embodiments can realize that the ultraviolet sterilization device 1 can sterilize the clean water flowing out of the pre-filter unit and the pure water flowing out of the reverse osmosis filtration unit, compared with the form of connecting the water outlet end of the pre-filter unit with the water inlet end of the first sterilization channel 1101 and the water outlet end of the reverse osmosis filtration unit with the second sterilization channel 1102, the form of connecting the water outlet end of the pre-filter unit with the water inlet end of the second sterilization channel 1102 and the water outlet end of the reverse osmosis filtration unit with the water inlet end of the first sterilization channel 1101 can make pure water with relatively less impurities flow into the first sterilization channel 1101 for sterilization, and make clean water with relatively more impurities flow into the second sterilization channel 1102 for sterilization, thereby avoiding the impurities in the water from being deposited on the ultraviolet sterilization component and affecting the transmittance of the ultraviolet light, thereby avoiding affecting the sterilization effect.

[0115] Preferably, the water outlet end of the pre-filter unit of the present invention is connected to the water inlet end of the second sterilization channel 1102, the water outlet end of the second sterilization channel 1102 is connected to the water inlet end of the reverse osmosis filtration unit, the water outlet end of the reverse osmosis filtration unit is connected to the water inlet end of the first sterilization channel 1101, and the water purification equipment also includes a water outlet component 42, and the water outlet end of the first sterilization channel 1101 is connected to the water outlet component 42.

[0116] Through such an arrangement, the clean water after filtration by the pre-filtration unit can enter the second sterilization channel 1102, and ultraviolet light can be irradiated into the second sterilization channel 1102 to sterilize the clean water, thereby preventing bacteria from growing in the pipeline between the pre-filtration unit and the reverse osmosis filtration unit. The sterilized water enters the reverse osmosis filtration unit, and the pure water after filtration by the reverse osmosis filtration unit enters the first sterilization channel 1101, and ultraviolet light can be irradiated into the first sterilization channel 1101 to sterilize the pure water, thereby achieving the simultaneous sterilization of clean water and pure water, thereby improving the sterilization efficiency, and the pure water after sterilization flows out from the water outlet component 42 for users to take.

[0117] It should be noted that, in actual applications, those skilled in the art may configure the water outlet component 42 as a water spout, or, alternatively, may configure the water outlet component 42 as a faucet, etc. Such adjustments and changes to the specific setting type of the water outlet component 42 do not deviate from the principle and scope of the present invention, and shall be included within the protection scope of the present invention.

[0118] Preferably, if Figures 5 to 8 As shown, the water outlet component 42 is a faucet.

[0119] It should be noted that the present invention does not impose any restrictions on the specific setting type and combination method of the pre-filter unit. For example, the pre-filter unit can be a combination of a PP cotton filter element 22 and a pre-activated carbon filter element 23, or it can also be a composite filter element (such as a PCB filter element) that can filter out impurities in water, etc. Such adjustments and changes to the specific setting type of the pre-filter unit do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

[0120] It should also be noted that the present invention does not impose any restrictions on the specific setting type and combination of the reverse osmosis filtration unit. For example, the reverse osmosis filtration unit can be a reverse osmosis membrane filter element 32 or a combination of a reverse osmosis membrane filter element 32 and a post-activated carbon filter element 33, or the reverse osmosis filtration unit can also be a composite filter element (such as a ROC filter element) of a reverse osmosis membrane filter element and a post-activated carbon filter element, etc. Such adjustments and changes to the specific setting type of the reverse osmosis filtration unit do not deviate from the principle and scope of the present invention and should be included in the protection scope of the present invention.

[0121] Combine the following Figures 5 to 8The specific embodiments of the water purification device of the present invention are introduced in detail.

[0122] Embodiment 1:

[0123] like Figure 5 As shown, the water purification equipment of the present invention includes a water inlet pipe 6, a first composite filter element 21 (PCB filter element), an ultraviolet sterilization device 1, a booster pump 5, a reverse osmosis membrane filter element 32 and a post-activated carbon filter element 33 which are connected in sequence, wherein the water outlet end of the first composite filter element 21 is connected to the water inlet end of the second sterilization channel 1201, the water outlet end of the second sterilization channel 1201 is connected to the water inlet end of the reverse osmosis membrane filter element 32 through the booster pump 5, the water outlet end of the post-activated carbon filter element 33 is connected to the water inlet end of the first sterilization channel 1101 through the water supply pipe 8, the water outlet end of the first sterilization channel 1101 is connected to the water outlet component 42 through the water outlet pipe 41, and the water purification equipment of this embodiment also includes a wastewater pipe 7, which is connected to the wastewater end of the reverse osmosis membrane filter element 32.

[0124] By setting up the ultraviolet sterilization device 1, the water filtered by the first composite filter element 21 can directly enter the second sterilization channel 1201, and the ultraviolet sterilization component sterilizes the water in the second sterilization channel 1201 to prevent bacteria from growing in the pipeline between the first composite filter element 21 and the water inlet end of the reverse osmosis membrane filter element 32. The water flowing out from the water outlet end of the reverse osmosis membrane filter element 32 flows into the post-activated carbon filter element 33 to improve the taste, and then enters the first sterilization channel 1101. The ultraviolet sterilization component sterilizes the water in the first sterilization channel 1101, and the pure water after sterilization flows out from the water outlet component 42 through the water outlet pipe 41, so that the water quality of the prepared pure water is cleaner and safer.

[0125] Embodiment 2:

[0126] like Figure 6 As shown, the water purification equipment of the present invention includes a water inlet pipe 6, a first composite filter element 21, an ultraviolet sterilization device 1, a booster pump 5 and a second composite filter element 31 (ROC filter element) which are connected in sequence, wherein the water outlet end of the first composite filter element 21 is connected to the water inlet end of the second sterilization channel 1201, the water outlet end of the second sterilization channel 1201 is connected to the water inlet end of the second composite filter element 31 through the booster pump 5, the water outlet end of the second composite filter element 31 is connected to the water inlet end of the first sterilization channel 1101 through the water supply pipe 8, the water outlet end of the first sterilization channel 1101 is connected to the water outlet component 42 through the water outlet pipe 41, and the water purification equipment of this embodiment also includes a wastewater pipe 7, which is connected to the wastewater end of the second composite filter element 31.

[0127] By setting up the ultraviolet sterilization device 1, the water filtered by the first composite filter element 21 can directly enter the second sterilization channel 1201, and the ultraviolet sterilization component sterilizes the water in the second sterilization channel 1201 to prevent bacteria from growing in the pipeline between the water inlet end of the first composite filter element 21 and the second composite filter element 31. The sterilized water enters the second composite filter element 31, and after being filtered and having improved taste by the second composite filter element 31, it flows out from the water outlet end of the second composite filter element 31 and enters the first sterilization channel 1101. The ultraviolet sterilization component sterilizes the water in the first sterilization channel 1101, and the pure water after sterilization flows out from the water outlet component 42 through the water outlet pipe 41, so that the water quality of the prepared pure water is cleaner and safer.

[0128] Embodiment three:

[0129] like Figure 7 As shown, the water purification equipment of the present invention includes a water inlet pipe 6, a PP cotton filter element 22, a pre-activated carbon filter element 23, an ultraviolet sterilization device 1, a booster pump 5, a reverse osmosis membrane filter element 32 and a post-activated carbon filter element 33 which are connected in sequence, wherein the water outlet end of the pre-activated carbon filter element 23 is connected to the water inlet end of the second sterilization channel 1201, the water outlet end of the second sterilization channel 1201 is connected to the water inlet end of the reverse osmosis membrane filter element 32 through the booster pump 5, the water outlet end of the reverse osmosis membrane filter element 32 is connected to the water inlet end of the post-activated carbon filter element 33, the water outlet end of the post-activated carbon filter element 33 is connected to the water inlet end of the first sterilization channel 1101 through the water supply pipe 8, the water outlet end of the first sterilization channel 1101 is connected to the water outlet component 42 through the water outlet pipe 41, and the water purification equipment of this embodiment also includes a wastewater pipe 7, which is connected to the wastewater end of the reverse osmosis membrane filter element 32.

[0130] By providing the ultraviolet sterilization device 1, the water filtered by the PP cotton filter element 22 and the pre-activated carbon filter element 23 can directly enter the second sterilization channel 1201, and the ultraviolet sterilization component sterilizes the water in the second sterilization channel 1201 to prevent bacteria from growing in the pipeline between the water outlet end of the pre-activated carbon filter element 23 and the water inlet end of the reverse osmosis membrane filter element 32. The water flowing out from the water outlet end of the reverse osmosis membrane filter element 32 enters the post-activated carbon filter element 33 to improve the taste, and then enters the first sterilization channel 1101. The ultraviolet sterilization component sterilizes the water in the first sterilization channel 1101, and the pure water after sterilization flows out from the water outlet component 42 through the water outlet pipe 41, so that the water quality of the prepared pure water is cleaner and safer.

[0131] Embodiment 4:

[0132] like Figure 8As shown, the water purification equipment of the present invention includes a water inlet pipe 6, a PP cotton filter element 22, a pre-activated carbon filter element 23, an ultraviolet sterilization device 1, a booster pump 5 and a second composite filter element 31 (ROC filter element) which are connected in sequence, wherein the water outlet end of the pre-activated carbon filter element 23 is connected to the water inlet end of the second sterilization channel 1201, the water outlet end of the second sterilization channel 1201 is connected to the water inlet end of the second composite filter element 31 through the booster pump 5, the water outlet end of the second composite filter element 31 is connected to the water inlet end of the first sterilization channel 1101 through the water supply pipe 8, and the water outlet end of the first sterilization channel 1101 is connected to the water outlet component 42. The water purification equipment of this embodiment also includes a wastewater pipe 7, which is connected to the wastewater end of the second composite filter element 31.

[0133] By setting up the ultraviolet sterilization device 1, the water filtered by the PP cotton filter element 22 and the pre-activated carbon filter element 23 can directly enter the second sterilization channel 1201, and the ultraviolet sterilization component sterilizes the water in the second sterilization channel 1201 to prevent bacteria from growing in the pipeline between the water outlet end of the pre-activated carbon filter element 23 and the water inlet end of the second composite filter element 31. The sterilized water enters the second composite filter element 31, and after being filtered and having its taste improved by the second composite filter element 31, it flows out from the water outlet end of the second composite filter element 31 and enters the first sterilization channel 1101. The ultraviolet sterilization component sterilizes the water in the first sterilization channel 1101, and the pure water after sterilization flows out from the water outlet component 42 through the water outlet pipe 41, so that the water quality of the prepared pure water is cleaner and safer.

[0134] It should be noted that although the present invention describes the water purification device of the present invention with the above-mentioned several embodiments, this is not restrictive, and any other possible forms do not deviate from the principle and scope of the present invention and should be included in the protection scope of the present invention.

[0135] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An ultraviolet sterilization device, characterized in that: The ultraviolet sterilization device includes a cylinder and an ultraviolet sterilization component arranged in the cylinder, the cylinder has a first sterilization channel and a second sterilization channel, the ultraviolet sterilization component is configured to emit ultraviolet light and the ultraviolet light emitted by the ultraviolet sterilization component can reach the first sterilization channel and the second sterilization channel, so that the ultraviolet sterilization component can sterilize water flowing into the first sterilization channel and the second sterilization channel.

2. The ultraviolet sterilization device according to claim 1, characterized in that: The cylinder and the ultraviolet sterilization component together form the first sterilization channel. The ultraviolet sterilization device also includes a water pipe, at least a portion of which is located in the first sterilization channel and the second sterilization channel is formed in the water pipe, wherein the water pipe is made of a transparent material.

3. The ultraviolet sterilization device according to claim 2, characterized in that: The ultraviolet sterilization component includes a protective shell and an ultraviolet lamp arranged in the protective shell. The cylinder and the protective shell together form the first sterilization channel. At least a portion of the water pipe is spirally spiraled around the axis of the protective shell to form a spiral tube, and there is a gap between two adjacent spiral turns of the spiral tube.

4. The ultraviolet sterilization device according to claim 3, characterized in that: The ultraviolet sterilization device also includes a guide plate, which is spirally spiraled along the length direction of the protective shell with the axis of the protective shell as the center, and the inner side of the spiral guide plate abuts against the outer wall of the protective shell, and the outer side of the spiral guide plate abuts against the inner wall of the cylinder, so that water in the first sterilization channel flows along the spiral guide plate. When installed, the spiral guide plate is located between two adjacent spiral coils of the spiral tube and the gap is formed between the spiral guide plate and at least one of the spiral coils.

5. The ultraviolet sterilization device according to claim 4, characterized in that: A plurality of protrusion structures are arranged on the spiral guide plate, and the protrusion structures have a reflective surface and can reflect the ultraviolet light emitted by the ultraviolet lamp.

6. The ultraviolet sterilization device according to claim 3, characterized in that: The cylinder is provided with a first interface and a second interface, and the water pipe further comprises a first connecting pipe and a second connecting pipe provided at both ends of the spiral pipe, the first connecting pipe passes through the first interface and is sealedly connected to the first interface, and the second connecting pipe passes through the second interface and is sealedly connected to the second interface. The ultraviolet sterilization device also includes a shock-absorbing component, which is sleeved on the outside of the first connecting tube and / or the second connecting tube, one end of the shock-absorbing component abuts against the inner wall of the cylinder, and the other end of the shock-absorbing component abuts against the spiral tube to prevent the water pipe from moving.

7. The ultraviolet sterilization device according to claim 3, characterized in that: The ultraviolet lamp comprises a lamp holder and a lamp body mounted on the lamp holder. One end of the protective shell is provided with an opening. At least a part of the lamp holder is elastic and can seal the opening.

8. A water purification device, characterized in that: The water purification equipment comprises the ultraviolet sterilization device according to any one of claims 1 to 7.

9. The water purification device according to claim 8, characterized in that: The water purification equipment includes a pre-filter unit, a reverse osmosis filter unit and a booster pump, the ultraviolet sterilization device is arranged at the downstream end of the pre-filter unit, and the ultraviolet sterilization device is arranged at the upstream end of the booster pump. The water outlet of the pre-filter unit is connected to the water inlet of the first sterilization channel, the water outlet of the first sterilization channel is connected to the water inlet of the reverse osmosis filter unit, and the water outlet of the reverse osmosis filter unit is connected to the water inlet of the second sterilization channel; or The water outlet of the pre-filter unit is connected to the water inlet of the second sterilization channel, the water outlet of the second sterilization channel is connected to the water inlet of the reverse osmosis filter unit, and the water outlet of the reverse osmosis filter unit is connected to the water inlet of the first sterilization channel.

10. The water purification device according to claim 9, characterized in that: The water outlet end of the pre-filter unit is connected to the water inlet end of the second sterilization channel, the water outlet end of the second sterilization channel is connected to the water inlet end of the reverse osmosis filtration unit, the water outlet end of the reverse osmosis filtration unit is connected to the water inlet end of the first sterilization channel, and the water purification equipment also includes a water outlet component, and the water outlet end of the first sterilization channel is connected to the water outlet component.

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