CN220913109U - Portable water body detection device - Google Patents
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- CN220913109U CN220913109U CN202322373041.2U CN202322373041U CN220913109U CN 220913109 U CN220913109 U CN 220913109U CN 202322373041 U CN202322373041 U CN 202322373041U CN 220913109 U CN220913109 U CN 220913109U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 311
- 238000001514 detection method Methods 0.000 title claims abstract description 192
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 40
- 229910001385 heavy metal Inorganic materials 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of water body detection, in particular to a portable water body detection device which comprises a device body, a controller, a sampling device, a detection device, a display device, a network communication module, a cloud server and a remote monitoring server, wherein the device body is provided with a plurality of sensors; the sampling device comprises a linear driving mechanism, a hard pipe, a hose, a water suction pump and an ultrasonic liquid level sensor; the driving end of the linear driving mechanism is vertically downwards connected with the outer side of the hard pipe, the upper end of the hard pipe is communicated with the lower end of the hose, the upper end of the hose is communicated with the water inlet of the water suction pump, and the water outlet of the water suction pump is communicated with the detection device; the linear driving mechanism, the water suction pump, the ultrasonic liquid level sensor, the detection device, the display device and the network communication module are all electrically connected with the controller; the ultrasonic liquid level sensor detects the liquid level distance of the water body and feeds back a distance detection signal to the controller; the detection device detects the water quality and feeds back a water quality detection signal to the controller. By adopting the scheme, the portable detection device is convenient to carry, can rapidly detect, and improves the detection efficiency.
Description
Technical Field
The utility model relates to the technical field of water body detection, in particular to a portable water body detection device.
Background
The water quality detection is a process for monitoring and measuring the types of pollutants, the concentration and the change trend of various pollutants in a water body and evaluating the water quality condition, and has a very wide monitoring range, including uncontaminated and polluted natural water (river, lake, sea and underground water), various industrial drainage and the like.
However, the existing water quality detection instrument is large in size and not easy to carry, most of the water quality detection instruments are not convenient to move in a laboratory, the water body needs to be sampled firstly and then brought back to the laboratory for detection, the detection mode is long in period, detection results are not convenient to know rapidly, and the detection efficiency is low.
Therefore, it is highly desirable to provide a portable water body detection device, which is portable, can rapidly detect, and improves detection efficiency.
Disclosure of utility model
The portable water body detection device is convenient to carry, can rapidly detect, and improves detection efficiency.
In order to achieve the above purpose, the present application provides the following technical solutions:
A portable water body detection device comprises a device body, a controller, a sampling device, a detection device, a display device, a network communication module, a cloud server and a remote monitoring server;
The device body is a cavity, and the bottom of the device body is provided with supporting legs;
The display device is arranged at the top of the device body, and the sampling device and the detection device are arranged in the device body;
The sampling device comprises a linear driving mechanism, a hard pipe, a hose, a water suction pump and an ultrasonic liquid level sensor;
The linear driving mechanism is vertically arranged on the inner wall of the device body, the driving end of the linear driving mechanism is vertically downwards connected with the outer side of the hard pipe, the upper end of the hard pipe is communicated with the lower end of the hose, the upper end of the hose is communicated with the water inlet of the water pump, and the water outlet of the water pump is communicated with the detection device;
a yielding hole is formed in the bottom of the device body corresponding to the hard tube;
The linear driving mechanism, the water suction pump, the ultrasonic liquid level sensor, the detection device, the display device and the network communication module are all electrically connected with the controller;
The ultrasonic liquid level sensor is arranged at the bottom of the device body, detects the distance between the liquid level of the water body and the ultrasonic liquid level sensor, and feeds back a distance detection signal to the controller;
The detection device detects the water quality and feeds back a water quality detection signal to the controller;
The controller is used for controlling the opening and closing of the linear driving mechanism and the water suction pump according to the distance detection signal; the display device is also used for controlling the display content of the display device according to the water quality detection signal; and the controller and the remote monitoring server are used for carrying out data transmission through the cloud server.
The principle and the advantages of the utility model are as follows:
The device body is placed in a water area to be monitored, the water body liquid level is detected by the ultrasonic liquid level sensor and the distance between the ultrasonic liquid level sensor is fed back to the controller, the controller controls the linear driving mechanism and the water suction pump to start according to the distance detection signal, the linear driving mechanism is controlled to drive the hard tube to move downwards by a corresponding distance, the lower end of the hard tube can penetrate through the yielding hole to extend out of the device body and extend into the water area, the water body in the water area is pumped into the hard tube by the water suction pump, then the water body is input into the detection device by the water suction pump, the detection device detects the water body quality and feeds back the water quality detection signal to the controller, the display content of the display device is controlled according to the water quality detection signal, and the water quality detection signal is further transmitted to the cloud server through the network communication module.
Further, the display device is a display screen, and the screen of the display screen is a waterproof screen.
The beneficial effects are that: the operator of being convenient for can in time observe the detection structure, and waterproof screen's setting makes the screen waterproof when detecting, avoids damaging.
Further, the straight line actuating mechanism includes electric putter and go-between, electric putter vertically sets up on the inner wall of device body, electric putter's drive end is vertical downwards to be connected with the go-between, the hard tube cover is established in the go-between.
The beneficial effects are that: through the cooperation use of electric putter and go-between, start electric putter drive go-between and the vertical downward movement of hard tube in the go-between for the hard tube can stretch out the device body outward, and take a sample.
Further, the detection device comprises a water quality PH value detection module, a water quality heavy metal detection module, a water quality sulfide detection module, a water delivery pipe, a water diversion pipe, a water collecting pipe and a water discharge pipe, wherein a water inlet of the water delivery pipe is communicated with a water outlet of the water suction pump, the water diversion pipe and the water collecting pipe are horizontally distributed in the device body, a water outlet of the water delivery pipe is communicated with the upper side of the water diversion pipe, the upper ends of the water quality PH value detection module, the water quality heavy metal detection module and the water quality sulfide detection module are communicated with the lower side of the water diversion pipe, the lower ends of the water collection pipe are communicated with the upper side of the water discharge pipe, and the lower end of the water discharge pipe penetrates through the bottom of the device body and extends outwards;
The water quality PH value detection module, the water quality heavy metal detection module and the water quality sulfide detection module are electrically connected with the controller;
the water quality PH value detection module is used for detecting the water quality PH value of the water body and feeding back a water quality PH detection signal to the controller; the water quality heavy metal detection module detects the water quality heavy metal value of the water body and feeds back a water quality heavy metal detection signal to the controller; the water quality sulfide detection module is used for detecting the water quality sulfide value of the water body and feeding back a water quality sulfide detection signal to the controller;
the controller is used for sending the water quality PH detection signal, the water quality heavy metal detection signal and the water quality sulfide detection signal to the cloud server through the network communication module.
The beneficial effects are that: the water body is input into the water diversion pipe through the water delivery pipe by the water suction pump, and is input into the water quality PH value detection module, the water quality heavy metal detection module and the water quality sulfide detection module through the water diversion pipe for detection, and the water quality PH value detection module detects the water quality PH value of the input water body; the water quality heavy metal detection module is used for detecting the water quality heavy metal of the input water body; by arranging the water quality sulfide detection module, the water quality sulfide detection module detects the water quality sulfide of the input water body, and after the detection is finished, the water body is discharged into the water collecting pipe and is discharged out of the device body through the water discharging pipe.
Further, a first electromagnetic valve is arranged among the water quality PH value detection module, the water quality heavy metal detection module, the water quality sulfide detection module and the water diversion pipe, and a second electromagnetic valve is arranged between the water collection pipe and the water drainage pipe;
the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller;
The controller controls the opening and closing of the first electromagnetic valve and the second electromagnetic valve according to the water quality PH detection signal, the water quality heavy metal detection signal and the water quality sulfide detection signal.
The beneficial effects are that: through setting up first solenoid valve and second solenoid valve for the water that waits to detect can be for stopping at quality of water PH value detection module, quality of water heavy metal detection module and quality of water sulphide detection module, quality of water PH value detection module, quality of water heavy metal detection module and quality of water sulphide detection module of being convenient for detects quality of water.
Further, a handle is arranged at the top of the device body.
The beneficial effects are that: by providing the handle, an operator can carry the handle and move the device body.
Drawings
Fig. 1 is a signal flow schematic diagram of an embodiment of a portable water body detection device according to the present utility model.
Fig. 2 is a schematic diagram illustrating an internal structure of an embodiment of a portable water body detection device according to the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
The labels in the drawings of this specification include: the device comprises a device body 1, supporting legs 11, a handle 12, a sampling device 2, a hard tube 21, a hose 22, a water suction pump 23, an ultrasonic liquid level sensor 24, an electric push rod 25, a connecting ring 26, a yielding hole 27, a detection device 3, a water quality PH value detection module 31, a water quality heavy metal detection module 32, a water quality sulfide detection module 33, a water delivery pipe 34, a water diversion pipe 35, a water collection pipe 36, a water discharge pipe 37, a first electromagnetic valve 38, a second electromagnetic valve 39 and a display device 4.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, it should be understood that the terms "upper", "lower", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
Example 1:
example 1 is substantially as shown in fig. 1 and 2:
A portable water body detection device comprises a device body 1, a controller, a sampling device 2, a detection device 3, a display device 4, a network communication module, a cloud server and a remote monitoring server; in this embodiment, the controller is a single-chip microcomputer, preferably an STM32H series high-performance single-chip microcomputer; the network communication module is a WiFi wireless communication module and is used for accessing the Internet through a router and the like so as to realize connection with a server, and in other embodiments of the application, the network communication module also comprises a mobile communication module; the remote monitoring server is a computer;
The device body 1 is a cavity, and support legs 11 are arranged at the bottom of the device body 1;
The display device 4 is arranged at the top of the device body 1, and the sampling device 2 and the detection device 3 are arranged in the device body 1;
The sampling device 2 comprises a linear driving mechanism, a hard pipe 21, a hose 22, a water suction pump 23 and an ultrasonic liquid level sensor 24;
The linear driving mechanism is vertically arranged on the inner wall of the device body 1, the driving end of the linear driving mechanism is vertically downwards connected with the outer side of the hard tube 21, the upper end of the hard tube 21 is communicated with the lower end of the hose 22, the upper end of the hose 22 is communicated with the water inlet of the water suction pump 23, and the water outlet of the water suction pump 23 is communicated with the detection device 3;
a relief hole 27 is formed at the bottom of the device body 1 corresponding to the hard tube 21;
The linear driving mechanism, the water suction pump 23, the ultrasonic liquid level sensor 24, the detection device 3, the display device 4 and the network communication module are all electrically connected with the controller; in this embodiment, the water pump 23 is a micro water pump, and the model is TL-C01-C24-2411, and by setting the micro water pump, the portable device body is convenient for operators, and the whole device is lighter. In this embodiment, the ultrasonic liquid level sensor 24 is QDY70A, the ultrasonic liquid level sensor 24 can accurately measure the height of the water level according to the time difference of the reflected echo of the water level, the ultrasonic liquid level sensor 24 feeds back a distance detection signal to the controller, and the controller controls the on/off of the linear driving mechanism and the water pump 23 according to the distance detection signal.
The ultrasonic liquid level sensor 24 is arranged at the bottom of the device body 1, detects the distance between the liquid level of the water body and the ultrasonic liquid level sensor 24, and feeds back a distance detection signal to the controller;
The detection device 3 detects the water quality and feeds back a water quality detection signal to the controller;
The controller is used for controlling the opening and closing of the linear driving mechanism and the water suction pump 23 according to the distance detection signal; the display device is also used for controlling the display content of the display device 4 according to the water quality detection signal; and the controller and the remote monitoring server are used for carrying out data transmission through the cloud server.
This scheme places device body 1 in waiting to monitor the waters, through ultrasonic wave level sensor 24 detect the water liquid level with distance between the ultrasonic wave level sensor 24, and feedback distance detection signal extremely the controller, the controller is according to distance detection signal, control sharp actuating mechanism and suction pump 23's start, control sharp actuating mechanism drive hard tube 21 moves corresponding distance downwards, make hard tube 21 lower extreme can run through hole 27 of stepping down and stretch out device body 1 outward, and stretch into the aquatic, in drawing in hard tube 21 with the water in the aquatic through suction pump 23, then in the detection device 3 is input by suction pump 23, detection device 3 detects water quality, and feedback water quality detection signal extremely controller, according to water quality detection signal, control display device 4's demonstration content still is used for sending water quality detection signal to cloud server through network communication module, controller and remote monitoring server carry out data transmission through cloud server, this device portable, the sample is convenient, can detect fast, and improve detection efficiency, and through network communication module, cloud server and remote control server's cooperation use, realize that the remote detection efficiency is higher.
The display device 4 is a display screen, and particularly adopts an LED display screen, and the screen of the display screen is a waterproof screen.
In this embodiment, the operator of being convenient for can in time observe the detection structure, and waterproof screen's setting makes the screen can waterproof when detecting, avoids damaging.
The linear driving mechanism comprises an electric push rod 25 and a connecting ring 26, in the embodiment, the type of the electric push rod 25 is HB-DJ806, the electric push rod 25 is vertically arranged on the inner wall of the device body 1, the driving end of the electric push rod 25 is vertically downwards connected with the connecting ring 26, and the hard tube 21 is sleeved in the connecting ring 26.
In this embodiment, through the cooperation use of electric putter 25 and go-between 26, start electric putter 25 drive go-between 26 and the vertical downwardly moving of hard tube 21 in the go-between 26 for hard tube 21 can stretch out outside the device body 1, and take a sample, be convenient for operating personnel portable device body through setting up electric putter 25, the device is whole lighter.
The detection device 3 comprises a water quality PH value detection module, a water quality heavy metal detection module 32, a water quality sulfide detection module 33, a water delivery pipe 34, a water diversion pipe 35, a water collecting pipe 36 and a water discharge pipe 37, wherein a water inlet of the water delivery pipe 34 is communicated with a water outlet of the water suction pump 23, the water diversion pipe 35 and the water collecting pipe 36 are horizontally distributed in the device body 1, a water outlet of the water delivery pipe 34 is communicated with the upper side of the water diversion pipe 35, the upper ends of the water quality PH value detection module, the water quality heavy metal detection module 32 and the water quality sulfide detection module 33 are communicated with the lower side of the water diversion pipe 35, the lower ends of the water quality PH value detection module, the water quality heavy metal detection module 32 and the water quality sulfide detection module 33 are communicated with the upper side of the water collecting pipe 36, the lower side of the water collecting pipe 36 is communicated with the upper end of the water discharge pipe 37, and the lower end of the water discharge pipe 37 penetrates through the bottom of the device body 1 and extends outwards;
The water quality PH value detection module, the water quality heavy metal detection module 32 and the water quality sulfide detection module 33 are all electrically connected with the controller;
The water quality PH value detection module is used for detecting the water quality PH value of the water body and feeding back a water quality PH detection signal to the controller; the water quality heavy metal detection module 32 detects the water quality heavy metal value of the water body and feeds back a water quality heavy metal detection signal to the controller; the water quality sulfide detection module 33 detects the water quality sulfide value of the water body and feeds back a water quality sulfide detection signal to the controller;
the controller is used for sending the water quality PH detection signal, the water quality heavy metal detection signal and the water quality sulfide detection signal to the cloud server through the network communication module.
In the embodiment, the water is input into the water diversion pipe 35 through the water suction pump 23 by the water pipe 34, and is input into the water quality PH value detection module, the water quality heavy metal detection module 32 and the water quality sulfide detection module 33 through the water diversion pipe 35 for detection, and the water quality PH value detection module detects the water quality PH value of the input water; the water quality heavy metal detection module 32 is used for detecting the water quality heavy metal of the input water body; by providing the water quality sulfide detection module 33, it detects the water quality sulfide of the input water body, and after the detection is completed, the water body is discharged into the water collecting pipe 36 and is discharged out of the device body 1 through the water discharging pipe 37.
The water quality PH value detection module, the water quality heavy metal detection module 32, the water quality sulfide detection module 33 and the water diversion pipe 35 are respectively provided with a first electromagnetic valve 38, and the water collection pipe 36 and the water discharge pipe 37 are respectively provided with a second electromagnetic valve 39;
The first electromagnetic valve 38 and the second electromagnetic valve 39 are electrically connected with the controller;
the controller controls the opening and closing of the first electromagnetic valve 38 and the second electromagnetic valve 39 according to the water quality PH detection signal, the water quality heavy metal detection signal and the water quality sulfide detection signal. In this embodiment, by setting the first electromagnetic valve 38 and the second electromagnetic valve 39, the water to be detected can be stopped at the water quality PH value detection module, the water quality heavy metal detection module 32 and the water quality sulfide detection module 33, so that the water quality PH value detection module, the water quality heavy metal detection module 32 and the water quality sulfide detection module 33 can detect the water quality.
The top of the device body 1 is provided with a handle 12. In the present embodiment, by providing the handle, the operator can carry the handle and move the apparatus body 1.
The foregoing is merely exemplary of the present utility model, and specific structures and features well known in the art will not be described in detail herein, so that those skilled in the art will be aware of all the prior art to which the present utility model pertains, and will be able to ascertain the general knowledge of the technical field in the application or prior art, and will not be able to ascertain the general knowledge of the technical field in the prior art, without using the prior art, to practice the present utility model, with the aid of the present utility model, to ascertain the general knowledge of the same general knowledge of the technical field in general purpose. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. A portable water body detection device which is characterized in that: the device comprises a device body, a controller, a sampling device, a detection device, a display device, a network communication module, a cloud server and a remote monitoring server;
The device body is a cavity, and the bottom of the device body is provided with supporting legs;
The display device is arranged at the top of the device body, and the sampling device and the detection device are arranged in the device body;
The sampling device comprises a linear driving mechanism, a hard pipe, a hose, a water suction pump and an ultrasonic liquid level sensor;
The linear driving mechanism is vertically arranged on the inner wall of the device body, the driving end of the linear driving mechanism is vertically downwards connected with the outer side of the hard pipe, the upper end of the hard pipe is communicated with the lower end of the hose, the upper end of the hose is communicated with the water inlet of the water pump, and the water outlet of the water pump is communicated with the detection device;
a yielding hole is formed in the bottom of the device body corresponding to the hard tube;
The linear driving mechanism, the water suction pump, the ultrasonic liquid level sensor, the detection device, the display device and the network communication module are all electrically connected with the controller;
The ultrasonic liquid level sensor is arranged at the bottom of the device body, detects the distance between the liquid level of the water body and the ultrasonic liquid level sensor, and feeds back a distance detection signal to the controller;
The detection device detects the water quality and feeds back a water quality detection signal to the controller;
The controller is used for controlling the opening and closing of the linear driving mechanism and the water suction pump according to the distance detection signal; the display device is also used for controlling the display content of the display device according to the water quality detection signal; and the controller and the remote monitoring server are used for carrying out data transmission through the cloud server.
2. The portable water body detection device of claim 1, wherein: the display device is a display screen, and the screen of the display screen is a waterproof screen.
3. The portable water body detection device of claim 1, wherein: the linear driving mechanism comprises an electric push rod and a connecting ring, the electric push rod is vertically arranged on the inner wall of the device body, the driving end of the electric push rod is vertically downwards connected with the connecting ring, and the hard pipe is sleeved in the connecting ring.
4. The portable water body detection device of claim 1, wherein: the detection device comprises a water quality PH value detection module, a water quality heavy metal detection module, a water quality sulfide detection module, a water delivery pipe, a water diversion pipe, a water collecting pipe and a water discharge pipe, wherein a water inlet of the water delivery pipe is communicated with a water outlet of the water suction pump, the water diversion pipe and the water collecting pipe are horizontally distributed in the device body, the water outlet of the water delivery pipe is communicated with the upper side of the water diversion pipe, the upper ends of the water quality PH value detection module, the water quality heavy metal detection module and the water quality sulfide detection module are communicated with the lower side of the water diversion pipe, the lower side of the water collecting pipe is communicated with the upper end of the water discharge pipe, and the lower end of the water discharge pipe penetrates through the bottom of the device body and extends outwards;
The water quality PH value detection module, the water quality heavy metal detection module and the water quality sulfide detection module are electrically connected with the controller;
the water quality PH value detection module is used for detecting the water quality PH value of the water body and feeding back a water quality PH detection signal to the controller; the water quality heavy metal detection module detects the water quality heavy metal value of the water body and feeds back a water quality heavy metal detection signal to the controller; the water quality sulfide detection module is used for detecting the water quality sulfide value of the water body and feeding back a water quality sulfide detection signal to the controller;
the controller is used for sending the water quality PH detection signal, the water quality heavy metal detection signal and the water quality sulfide detection signal to the cloud server through the network communication module.
5. The portable water body detection device of claim 4, wherein: the water quality PH value detection module, the water quality heavy metal detection module, the water quality sulfide detection module and the water diversion pipe are respectively provided with a first electromagnetic valve, and a second electromagnetic valve is arranged between the water collection pipe and the water drainage pipe;
the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller;
The controller controls the opening and closing of the first electromagnetic valve and the second electromagnetic valve according to the water quality PH detection signal, the water quality heavy metal detection signal and the water quality sulfide detection signal.
6. The portable water body detection device of claim 1, wherein: the top of the device body is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322373041.2U CN220913109U (en) | 2023-08-31 | 2023-08-31 | Portable water body detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322373041.2U CN220913109U (en) | 2023-08-31 | 2023-08-31 | Portable water body detection device |
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| Publication Number | Publication Date |
|---|---|
| CN220913109U true CN220913109U (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322373041.2U Active CN220913109U (en) | 2023-08-31 | 2023-08-31 | Portable water body detection device |
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| CN (1) | CN220913109U (en) |
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2023
- 2023-08-31 CN CN202322373041.2U patent/CN220913109U/en active Active
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