CN218709393U - Water control switch double-side ultraviolet radiation sterilizer - Google Patents
Water control switch double-side ultraviolet radiation sterilizer Download PDFInfo
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- CN218709393U CN218709393U CN202222896633.8U CN202222896633U CN218709393U CN 218709393 U CN218709393 U CN 218709393U CN 202222896633 U CN202222896633 U CN 202222896633U CN 218709393 U CN218709393 U CN 218709393U
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Abstract
The utility model discloses a two-sided ultraviolet irradiation sterilizer of water control switch, include: the pipeline module comprises a water delivery pipe and an outer sleeve, and the outer sleeve is sleeved outside the water delivery pipe; the deep ultraviolet light source module comprises a deep ultraviolet LED lamp, and the deep ultraviolet LED lamp is arranged in the outer sleeve and is used for irradiating flowing water in the water conveying pipe; the control module group, the control module group is including installation cover, magnetic force water wheels and hall switch, and magnetic force water wheels rotationally sets up in the installation cover, and the installation cover sets up in the outer tube and lies in a tip of outer tube, and hall switch sets up on the outer tube and lies in the outside of installation cover, and hall switch still lies in one side of magnetic force water wheels, and deep ultraviolet LED lamp is connected with the hall switch electricity. The water control switch double-sided ultraviolet irradiation sterilizer is automatically controlled to be powered on and powered off according to water flow, so that the use experience of a user is improved.
Description
Technical Field
The utility model belongs to the technical field of ultraviolet sterilization, specifically speaking relates to a two-sided ultraviolet irradiation sterilizer of water control switch.
Background
The ultraviolet disinfection has higher microorganism inactivation effect on the inactivation effect of microorganisms in drinking water, has good inactivation effect on various microorganisms in water, and has high sterilization speed, and most of the microorganisms are within 1 second. Chinese patent publication No. CN 214880367U discloses a flowing water ultraviolet sterilization unit that sterilizes flowing water using an ultraviolet light source built in a water pipe, wherein the ultraviolet light source is located in the water pipe and irradiates ultraviolet light from one end of the water pipe towards the other end. In the actual use process, the ultraviolet light source needs to be manually controlled to be powered on or powered off, so that the operation convenience is poor; in addition, the water flow of flowing water is limited by the irradiation capability of the ultraviolet light source, and the sterilization requirement of large-flow flowing water cannot be met. In view of this, how to design an ultraviolet sterilization technique that switches on and off according to rivers automatic control ultraviolet light source and improve the bactericidal ability in order to satisfy the requirement of disinfecting of large-traffic flowing water is the utility model discloses the technical problem that will solve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-sided ultraviolet irradiation sterilizer of water control switch realizes reinforcing ultraviolet sterilization's intensity in order to improve the efficiency of disinfecting to the realization is according to the two-sided ultraviolet irradiation sterilizer break-make electricity of rivers automatic control water control switch in order to improve user experience nature.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
a water control switch double-sided ultraviolet radiation sterilizer, comprising:
the pipeline module comprises a water pipe and an outer sleeve, the outer sleeve is sleeved outside the water pipe, the water pipe is made of quartz, two mounting holes which are arranged in a back-to-back mode are formed in the pipe wall of the outer sleeve, and the mounting holes extend along the length direction of the outer sleeve; the outer sleeve is also provided with a mounting groove, and a detachable cover plate is arranged on the mounting groove;
the deep ultraviolet LED lamp module comprises a substrate and a plurality of deep ultraviolet LED lamps, wherein the deep ultraviolet LED lamps are arranged on the substrate and are sequentially arranged along the length direction of the substrate;
the control module comprises a mounting sleeve, a magnetic water wheel and a Hall switch, the magnetic water wheel is rotatably arranged in the mounting sleeve, the mounting sleeve is arranged in the outer sleeve and is positioned at one end part of the outer sleeve, the Hall switch is arranged on the outer sleeve and is positioned outside the mounting sleeve, and the Hall switch is also positioned on one side of the magnetic water wheel;
the electric control board is electrically connected with the Hall switch and the deep ultraviolet LED lamp respectively;
the base plate is arranged in the corresponding mounting hole, the two deep ultraviolet light source modules are configured to irradiate ultraviolet light into the water delivery pipe relatively, the Hall switch is configured to trigger the deep ultraviolet LED lamp to be electrified after being conducted, and the electric control plate is arranged in the mounting groove.
The deep ultraviolet LED lamp is characterized by further comprising a liner tube made of PTFE materials, the liner tube is located between the water delivery pipe and the outer sleeve, light holes are formed in the liner tube, and ultraviolet light emitted by the deep ultraviolet LED lamp irradiates the water delivery pipe through the light holes.
Furthermore, the light hole comprises a plurality of through holes matched with the deep ultraviolet LED lamp, and the deep ultraviolet LED lamp is inserted into the corresponding through holes.
Furthermore, a support is arranged in the mounting sleeve, and the magnetic water wheel is rotatably arranged on the support.
Further, the mounting sleeve comprises a first sleeve and a second sleeve, and the first sleeve and the second sleeve are respectively provided with the bracket; the first pipe sleeve and the second pipe sleeve are connected together, and the magnetic water wheel is located between the two brackets.
Furthermore, one end of the outer sleeve is in threaded connection with a locking nut, two ends of the water pipe are respectively provided with a sealing part, and the sealing parts are arranged in the outer sleeve and seal the pipe orifice of the water pipe; one sealing component is clamped between the water pipe and the mounting sleeve, and the other sealing component is clamped between the water pipe and the locking nut.
Further, the sealing component is of an annular structure, a water through hole is formed in the sealing component, a plug is further arranged on the sealing component around the water through hole, and a step surface is formed between the plug and the sealing component; the plug is inserted into the water pipe, and the stepped surface seals the pipe orifice of the liner pipe.
Furthermore, still be provided with the mounting groove on the outer tube, be provided with detachably on the mounting groove and lap, be provided with automatically controlled board in the mounting groove, automatically controlled board respectively with hall switch with dark ultraviolet LED lamp electricity is connected.
Furthermore, the mounting groove is arranged on one side of the mounting sleeve, and the Hall switch is integrated on the electric control board.
Compared with the prior art, the utility model discloses an advantage is with positive effect: through set up two mounting holes that are bar structure on the outer sleeve pipe, be provided with the deep ultraviolet light source module in two mounting holes respectively, and, a plurality of deep ultraviolet LED lamps that dispose on the base plate of deep ultraviolet light source module arrange along the length direction of raceway, and then can be abundant utilize the whole length direction of water pipe subassembly to arrange abundant deep ultraviolet LED lamp, numerous deep ultraviolet LED lamp can improve stronger deep ultraviolet, and two deep ultraviolet light source modules shine rivers that flow in the raceway relatively, realize reinforcing ultraviolet sterilization's intensity in order to improve the efficiency of disinfecting.
In addition, through increase the control module group on the pipeline module, installation cover in the control module group sets up in the outer tube and is used for rivers to flow, and the magnetic force water wheels that set up in the outer tube can rotate at rivers flow in-process, and then trigger hall switch's break-make through magnetic force water wheels, and the break-make electricity of deep ultraviolet LED lamp is then controlled by hall switch, and then realize under the circumstances that has rivers to flow, there is the circular telegram of hall switch automatic control deep ultraviolet LED lamp to carry out ultraviolet sterilization and handle, and need not user manual operation, the realization is according to the two-sided ultraviolet irradiation sterilizer break-make electricity of rivers automatic control water control switch in order to improve user and use experience nature.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the double-sided UV irradiation sterilizer of the water control switch of the present invention;
FIG. 2 is an exploded view of an embodiment of the dual-sided UV sterilizer of the water control switch of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the dual-sided UV irradiation sterilizer of the water control switch of the present invention;
FIG. 4 is an enlarged partial schematic view of area A of FIG. 3;
fig. 5 is a partially enlarged schematic view of the region B in fig. 3.
Reference numerals:
a pipeline module 1;
the water pipe comprises a water pipe 11, an outer sleeve 12, a liner pipe 13, a sealing part 14, a locking nut 15, a mounting groove 16 and a cover plate 17;
mounting holes 121, through holes 131, water through holes 141, plugs 142;
a deep ultraviolet light source module 2;
a substrate 21, a deep ultraviolet LED lamp 22;
a control module 3;
the mounting sleeve 31, the magnetic water wheel 32, the hall switch 33, the bracket 34, the first sleeve 311 and the second sleeve 312.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, the double-sided ultraviolet radiation sterilizer with water control switch according to the present embodiment includes: pipeline module 1, two deep ultraviolet light source modules 2 and control module 3.
The pipeline module 1 comprises a water pipe 11 and an outer sleeve 12, wherein the outer sleeve 12 is sleeved outside the water pipe 11, the water pipe is made of quartz, two mounting holes which are arranged in a back-to-back mode are formed in the pipe wall of the outer sleeve, and the mounting holes extend along the length direction of the outer sleeve;
the deep ultraviolet light source module 2 comprises a substrate 21 and a plurality of deep ultraviolet LED lamps 22, and the deep ultraviolet LED lamps 22 are arranged on the substrate 21 and arranged along the length direction of the water conveying pipe 11;
the control module 3 comprises a mounting sleeve 31, a magnetic water wheel 32 and a Hall switch 33, wherein the magnetic water wheel 32 is rotatably arranged in the mounting sleeve 31, the mounting sleeve 31 is arranged in the outer sleeve and is positioned at one end part of the outer sleeve, the Hall switch 33 is arranged on the outer sleeve and is positioned outside the mounting sleeve 31, and the Hall switch 33 is also positioned at one side of the magnetic water wheel 32;
the base plate is arranged in the corresponding mounting hole, the two deep ultraviolet light source modules are configured to irradiate ultraviolet light into the water delivery pipe relatively, and the Hall switch is configured to be switched on and then trigger the deep ultraviolet LED lamp to be electrified.
Specifically, the pipe module 1 is used for connecting to a water path for supplying water, for example: the pipeline module 1 is connected between a water supply pipe and a water using device (water purifier), and water output by the water supply pipe enters the water conveying pipe 11 to flow and is finally output to the water using device.
The outer sleeve is arranged outside the water conveying pipe to protect the water conveying pipe, and meanwhile, the outer sleeve can also prevent ultraviolet rays generated by the deep ultraviolet LED lamp from leaking. Therefore, water flows into the water conveying pipe, and the flowing water is sterilized through irradiation of the deep ultraviolet LED lamp.
The deep ultraviolet light source modules are respectively arranged in the two mounting holes which are arranged in the outer sleeve and are arranged in the back direction, so that the water in the water conveying pipe can be contrasted at the two sides of the water conveying pipe through the deep ultraviolet light source modules respectively. On one hand, enough deep ultraviolet LED lamps can be arranged along the flowing direction of water flow so as to improve the overall irradiation capacity of the deep ultraviolet light source modules, on the other hand, the two deep ultraviolet light source modules are oppositely arranged to irradiate relatively, so that the flowing water flow can be comprehensively sterilized and irradiated so as to improve the sterilization efficiency, and further, the high-efficiency and thorough sterilization is obtained.
And in the in-service use process, when rivers are in when flowing in the pipeline module, rivers will flow into the installation cover 31 simultaneously, and then drive the magnetic force water wheels 32 rotation in the installation cover 31 through rivers, and pivoted magnetic force water wheels 32 will trigger the hall switch 33 of one side, and then make hall switch 33 switch on, in order to realize control the dark purple outer LED lamp circular telegram is shone.
Like this, just need not artifical manual switch the dark ultraviolet LED lamp utilizes control module group 3 to come automatic control according to rivers dark ultraviolet LED lamp circular telegram, and then realizes automated control to improve user and use experience nature.
Further, still be provided with mounting groove 16 on the outer tube, be provided with detachably apron 17 on the mounting groove, be provided with automatically controlled board 4 in the mounting groove, automatically controlled board respectively with hall switch with dark ultraviolet LED lamp electricity is connected.
Specifically, an external power supply cable (not labeled) is arranged on the electric control board 4 to be connected with an external power supply source through the power supply cable. And the electric control board 4 is positioned in the mounting groove 16 and is shielded and protected by a cover plate 17. The deep ultraviolet LED lamps in the two deep ultraviolet light source modules are respectively electrically connected with the electric control board 4 so as to control the on-off of the deep ultraviolet LED lamp 22 through the electric control board 4, meanwhile, the Hall switch 33 is also electrically connected with the electric control board 4, and the Hall switch 33 can trigger the electric control board 4 to control the on-off of the deep ultraviolet LED lamp 22.
The mounting groove is arranged on one side of the mounting sleeve, and the Hall switch is integrated on the electric control board.
Further, in order to facilitate the installation of the magnetic water wheel 32, a bracket 34 is provided in the installation sleeve 31, and the magnetic water wheel 32 is rotatably provided on the bracket 34.
Specifically, the bracket 34 is disposed in the mounting sleeve 31, and the magnetic water wheel 32 is mounted by the bracket 34, so that the magnetic water wheel 32 is suspended in the mounting sleeve 31 to rotate smoothly driven by water flow.
Further, for convenience of assembly, the mounting sleeve 31 includes a first sleeve 311 and a second sleeve 312, and the first sleeve 311 and the second sleeve 312 are respectively provided with the bracket 34; the first sleeve 311 and the second sleeve 312 are connected together, and the magnetic water wheel 32 is located between the two brackets 34.
Specifically, when the magnetic water wheel 32 is assembled into the mounting sleeve 31, the magnetic water wheel 32 is placed between the first pipe sleeve 311 and the second pipe sleeve 312, and after the first pipe sleeve 311 and the second pipe sleeve 312 are inserted together, the rotating shafts of the magnetic water wheel 32 are respectively inserted into the brackets 34 on the corresponding sides, so as to complete the assembly.
Still further, one end of the outer sleeve is in threaded connection with a lock nut 15, two ends of the water pipe are respectively provided with a sealing part 14, and the sealing parts are arranged in the outer sleeve and seal the pipe orifice of the water pipe; one of the sealing components is sandwiched between the water pipe and the mounting sleeve 31, and the other sealing component is sandwiched between the water pipe and the locking nut.
Specifically, in the integral assembly process, the calibers of two pipe orifices of the outer sleeve are one larger and one smaller, the outer sleeve is in threaded connection with a locking nut 15 on the pipe orifice of the larger orifice, the mounting sleeve 31 is firstly communicated with the magnetic water wheel 32 and is firstly installed inside the outer sleeve through the large pipe orifice of the outer sleeve, then the sealing parts 14 are assembled at the two end parts of the water pipe 11, the water pipe 11 and the two sealing parts 14 are inserted into the outer sleeve, and finally the locking nut 15 is screwed down, so that the components are compactly assembled in the outer sleeve.
Preferably, the pipe module 1 further includes a lining pipe 13, the lining pipe 13 is made of PTFE material, the lining pipe 13 is located between the water pipe 11 and the outer sleeve 12, the lining pipe 13 is provided with light holes, and ultraviolet light emitted by the deep ultraviolet LED lamp 22 irradiates the water pipe 11 through the light holes.
Specifically, the liner tube 13 is disposed outside the water pipe 11, and is made of Polytetrafluoroethylene (PTFE), which is a relatively common fluororesin material, and PTFE is a chemically stable material having excellent durability, heat resistance, and corrosion resistance. PTFE is a material having a high deep ultraviolet reflectance. Therefore, by providing the liner tube 13 made of PTFE material, the deep ultraviolet light from the deep ultraviolet LED lamp 22 can be diffusely reflected on the inner cavity wall of the liner tube 13 and completely forms an ultraviolet reflection light curtain along the axial direction of the liner tube 13, which is more beneficial to improving the sterilization efficiency.
In order to prevent the ultraviolet light emitted from the deep ultraviolet LED lamp 22 from leaking, the light holes include a plurality of through holes 131 matching with the deep ultraviolet LED lamp 22, and the deep ultraviolet LED lamp 22 is inserted into the corresponding through holes 131. Deep ultraviolet LED lamp 22 is when the equipment, and deep ultraviolet LED lamp 22 inserts in the through-hole 131 that corresponds, like this for the ultraviolet light that deep ultraviolet LED lamp 22 sent only can follow through-hole 131 to raceway 11, in order to avoid appearing the ultraviolet light that deep ultraviolet LED lamp 22 sent and leak, can improve ultraviolet utilization ratio on the one hand, on the other hand can also improve the safety in utilization.
In order to ensure that the water pipe 11 can convey water in a good sealing state, the sealing member 14 is of an annular structure, the sealing member 14 is provided with a water through hole 141, the sealing member 14 is further provided with a plug 142 surrounding the water through hole 141, and a step surface (not marked) is formed between the plug 142 and the sealing member 14; the plug 142 is inserted into the water pipe 11, and the stepped surface seals the opening of the liner pipe 13.
Specifically, the sealing member 14 is inserted into the outer sleeve 12, the protruding plug 142 formed on the sealing member 14 is inserted into the water pipe 11 to seal the end of the water pipe 11, and the water through hole 141 can meet the requirement of the water pipe 11 for conveying water. The step formed between the spigot 142 and the sealing member 14 abuts against the mouth of the liner 13 to seal the liner 13.
In order to improve the safety and reliability of use, a protective cover 16 may be provided outside the mounting hole, and the protective cover 16 may cover the outside of the substrate 21 to protect the substrate 21.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments of the present invention are only examples, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also intended to be covered by the scope of the present invention.
Claims (8)
1. A water control switch double-sided ultraviolet radiation sterilizer is characterized by comprising:
the pipeline module comprises a water pipe and an outer sleeve, the outer sleeve is sleeved outside the water pipe, the water pipe is made of quartz, two mounting holes which are arranged in a back-to-back mode are formed in the pipe wall of the outer sleeve, and the mounting holes extend along the length direction of the outer sleeve; the outer sleeve is also provided with a mounting groove, and a detachable cover plate is arranged on the mounting groove;
the deep ultraviolet LED lamp module comprises two deep ultraviolet light source modules, a light source module and a control module, wherein the deep ultraviolet light source modules comprise a substrate and a plurality of deep ultraviolet LED lamps, and the plurality of deep ultraviolet LED lamps are arranged on the substrate and are sequentially arranged along the length direction of the substrate;
the control module comprises a mounting sleeve, a magnetic water wheel and a Hall switch, the magnetic water wheel is rotatably arranged in the mounting sleeve, the mounting sleeve is arranged in the outer sleeve and is positioned at one end part of the outer sleeve, the Hall switch is arranged on the outer sleeve and is positioned outside the mounting sleeve, and the Hall switch is also positioned on one side of the magnetic water wheel;
the electric control board is electrically connected with the Hall switch and the deep ultraviolet LED lamp respectively;
the base plate is arranged in the corresponding mounting hole, the two deep ultraviolet light source modules are configured to irradiate ultraviolet light into the water delivery pipe relatively, the Hall switch is configured to trigger the deep ultraviolet LED lamp to be electrified after being conducted, and the electric control plate is arranged in the mounting groove.
2. The water control switch double-sided ultraviolet radiation sterilizer of claim 1, further comprising a liner tube made of PTFE material, wherein the liner tube is positioned between the water pipe and the outer sleeve, the liner tube is provided with light holes, and ultraviolet light emitted by the deep ultraviolet LED lamp irradiates the water pipe through the light holes.
3. The water control switch double-sided ultraviolet radiation sterilizer of claim 2, wherein the light-transmitting hole comprises a plurality of through holes matching with the deep ultraviolet LED lamps, and the deep ultraviolet LED lamps are inserted into the corresponding through holes.
4. The water control switch double-sided ultraviolet radiation sterilizer of claim 1, wherein a bracket is arranged in the mounting sleeve, and the magnetic water wheel is rotatably arranged on the bracket.
5. The water control switch double-sided ultraviolet radiation sterilizer of claim 4, wherein the mounting sleeve comprises a first sleeve and a second sleeve, the first sleeve and the second sleeve being respectively provided with the bracket; the first pipe sleeve and the second pipe sleeve are connected together, and the magnetic water wheel is located between the two brackets.
6. The water control switch double-sided ultraviolet irradiation sterilizer of claim 2, wherein a locking nut is connected to one end of the outer sleeve in a threaded manner, sealing parts are respectively arranged at two ends of the water pipe, and the sealing parts are arranged in the outer sleeve and seal the pipe orifice of the water pipe; one sealing component is clamped between the water pipe and the mounting sleeve, and the other sealing component is clamped between the water pipe and the locking nut.
7. The dual-sided UV irradiation sterilizer of claim 6, wherein said sealing member is of an annular configuration, said sealing member is provided with a water passage hole, said sealing member is further provided with a plug around said water passage hole, and a step surface is formed between said plug and said sealing member; the plug is inserted into the water pipe, and the stepped surface seals the pipe orifice of the liner pipe.
8. The water control switch double-sided ultraviolet radiation sterilizer of claim 1, wherein the mounting groove is arranged at one side of the mounting sleeve, and the hall switch is integrated on the electric control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896633.8U CN218709393U (en) | 2022-11-01 | 2022-11-01 | Water control switch double-side ultraviolet radiation sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896633.8U CN218709393U (en) | 2022-11-01 | 2022-11-01 | Water control switch double-side ultraviolet radiation sterilizer |
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| Publication Number | Publication Date |
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| CN218709393U true CN218709393U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222896633.8U Active CN218709393U (en) | 2022-11-01 | 2022-11-01 | Water control switch double-side ultraviolet radiation sterilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495828A (en) * | 2023-06-25 | 2023-07-28 | 至善时代智能科技(北京)有限公司 | Overcurrent type sterilizing device |
-
2022
- 2022-11-01 CN CN202222896633.8U patent/CN218709393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495828A (en) * | 2023-06-25 | 2023-07-28 | 至善时代智能科技(北京)有限公司 | Overcurrent type sterilizing device |
| CN116495828B (en) * | 2023-06-25 | 2023-09-12 | 至善时代智能科技(北京)有限公司 | Overcurrent type sterilizing device |
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