CN116464134A - Bathroom washs ventilation system - Google Patents
Bathroom washs ventilation system Download PDFInfo
- Publication number
- CN116464134A CN116464134A CN202310410450.7A CN202310410450A CN116464134A CN 116464134 A CN116464134 A CN 116464134A CN 202310410450 A CN202310410450 A CN 202310410450A CN 116464134 A CN116464134 A CN 116464134A
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- CN
- China
- Prior art keywords
- air
- module
- closestool
- air outlet
- personnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 239000003205 fragrance Substances 0.000 claims description 17
- 241000222519 Agaricus bisporus Species 0.000 claims description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000222 aromatherapy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/04—Special arrangement or operation of ventilating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Epidemiology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Ventilation (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a toilet cleaning and ventilating system, which comprises a fresh air device, a data processing module, a personnel sensing module, a gas sensing module and a humidity sensing module; the fresh air device comprises a wind power driving device, the wind power driving device is provided with an air filtering module and a warm air heating module, the fresh air device is connected with a personnel sensing module, a gas sensing module and a humidity sensing module through a data processing module, the personnel sensing module is used for monitoring the toilet status of personnel, the gas sensing module is used for detecting the taste concentration in a toilet, the humidity sensing module is used for detecting the humidity value in the ground of the toilet, the air filtering module is used for absorbing and filtering the odor air of the toilet, and the warm air heating module can be used for drying the ground and guaranteeing the ground of the toilet to be dry; the power of the fresh air device changes with the smell value, the wind power of the warm air heating module changes with the humidity value, and the energy-saving effect is achieved.
Description
Technical Field
The invention relates to the technical field of toilet ventilation, in particular to a toilet cleaning ventilation system.
Background
The toilet is an important infrastructure in modern cities and is an important component of urban civilization. People's appeal to toilets has also evolved from the most basic physiological needs to higher level experience needs. The prior toilet is generally airtight in structure, poor in ventilation effect, and common in internal environment pollution and the like.
Most toilets in toilets are installed on the side of a bathroom cabinet at present, the fresh air equipment of the bathroom is generally installed on a ceiling or a wall close to the ceiling, and people start the fresh air equipment to remove peculiar smell when going to the bathroom.
Meanwhile, although the bathroom floor is stuck with ceramic tiles, the bathroom floor is still easy to get moldy due to improper humidity control. The reason is that ventilation is not smooth and the bath is not dried thoroughly in time. The mildew is easy to grow for a long time, and the mildew is easy to expand without timely cleaning.
Disclosure of Invention
The invention aims to provide a toilet cleaning ventilation system which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a toilet cleaning ventilation system comprising: the system comprises fresh air equipment, a data processing module, a personnel sensing module, a gas sensing module and a humidity sensing module;
the air cleaning equipment comprises a wind power driving device arranged in a bathroom cabinet, wherein the wind power driving device is arranged in the bathroom cabinet positioned at one side of a toilet, an air filtering module and a warm air heating module are arranged in the wind power driving device, the height of a toilet seat ring is limited to the height of the air filtering device, and an air inlet of the air filtering module faces to the toilet seat;
the fresh air device is connected with the personnel sensing module, the gas sensing module and the humidity sensing module through the data processing module;
the personnel sensing module is arranged in the closestool and used for monitoring the toilet status of personnel, and when the personnel is detected to be sitting on the closestool, the wind driven device is turned on, and after the personnel leaves for a certain time, the wind driven device is turned off;
the air sensing module is arranged in the closestool and used for detecting the taste concentration in the closestool, when the taste concentration in the closestool is larger than a first concentration preset value P1, the air driving device is adjusted to be a first windshield cleaning position W1, and when the taste concentration in the closestool is larger than a second concentration preset value P2, the air driving device is adjusted to be a second windshield cleaning position W2;
the humidity sensing module is arranged on the ground of the bathroom and used for detecting a humidity value in the ground of the bathroom, when the humidity of the ground is greater than a first humidity preset value R1, the warm air heating module is adjusted to be a first heating gear C1, the wind power driving device is adjusted to be a first windshield cleaning position W1, and when the humidity of the ground is greater than a second humidity preset value R2, the warm air heating module is adjusted to be a second heating gear C2, and the wind power driving device is adjusted to be a second windshield cleaning position W2;
the wind power driving device is at least one fan;
the warm air heating module is a heating mechanism and is arranged at the air outlet pipeline of the wind power driving device.
As the preferred embodiment of the invention, the bathroom cabinet further comprises a first air outlet, a second air outlet and a third air outlet which are arranged on the bathroom cabinet, wherein the first air outlet, the second air outlet and the third air outlet are respectively connected with a first air outlet pipeline, a second air outlet pipeline and a third air outlet pipeline of the wind power driving device, electric valves are arranged on the first air outlet pipeline, the second air outlet pipeline and the third air outlet pipeline, an aromatherapy module is arranged on the first air outlet pipeline, the warm air heating module is arranged in the third air outlet pipeline, and the third air outlet faces the ground of the bathroom.
According to the preferred embodiment of the invention, when the personnel sensing module judges that personnel are in the presence state, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is less than the first concentration preset value P1, the wind driven device is adjusted to be a first windshield cleaning position W1, the electric valve of the first air outlet pipeline is closed, and the electric valve of the second air outlet pipeline is opened, so that filtered air is discharged back into the bathroom through the second air outlet.
According to the preferred embodiment of the invention, when the personnel sensing module judges that personnel are in the presence state, the gas sensor is used for acquiring the taste concentration in the closestool, the wind driving device is adjusted to be a first windshield cleaning position W1 when the taste concentration in the closestool is larger than a first concentration preset value P1 and smaller than a second concentration preset value P2, the electric valve channel of the second air outlet pipeline is closed, and meanwhile, the electric valve channel of the first pipeline is opened, and fragrance is released to the closestool through the first air outlet through the fragrance module.
According to the preferred embodiment of the invention, when the personnel sensing module judges that personnel are in the presence state, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than the second concentration preset value P2, the wind driven device is adjusted to be a second windshield position W2, the electric valve channel of the second air outlet pipeline is closed, the electric valve channel of the first pipeline is opened, and fragrance is released to the closestool through the first air outlet by the fragrance module.
As a preferred embodiment of the invention, the data processing module further comprises a timing drying module, and the data processing module is connected with the warm air heating module through the timing drying module.
Compared with the prior art, the invention has the beneficial effects that:
1. the air filtering module is arranged in the fresh air device and is used for absorbing and filtering the odor air of the closestool, the odor is not strung up, the hair and the face of clothes can not be absorbed, the user can not inhale the clothes, the ground can be dried by the warm air heating module, and the ground drying of a bathroom is ensured;
2. the toilet smell concentration is detected through the gas sensor, the threshold value is transmitted to the data processing module, the data processing module sends an instruction to the air cleaning equipment, the power of the air cleaning equipment changes along with the smell value, the humidity value of the ground of the toilet is detected through the humidity sensor, the humidity value is fed back to the processor, the corresponding power instruction is sent to the warm air system according to the humidity value through processing, and the wind power of the warm air heating module changes along with the humidity value, so that the energy-saving effect is achieved.
Drawings
Fig. 1 is a schematic diagram of a frame of a first embodiment of the present invention.
FIG. 2 is a schematic diagram of a frame according to a second embodiment of the present invention
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1
A toilet cleaning ventilation system as shown in fig. 1, comprising: the system comprises fresh air equipment, a data processing module, a personnel sensing module, a gas sensing module and a humidity sensing module;
the fresh air device comprises a wind power driving device arranged in the bathroom cabinet, the wind power driving device is arranged in the bathroom cabinet positioned at one side of the toilet, an air filtering module and a warm air heating module are arranged in the wind power driving device, the height of the toilet seat ring limits the height of the air filtering device, and an air inlet of the air filtering module faces the toilet seat;
the fresh air device is connected with the personnel sensing module, the gas sensing module and the humidity sensing module through the data processing module;
the personnel sensing module is arranged in the closestool and used for monitoring the toilet status of personnel, and when the personnel is detected to be sitting on the closestool, the wind driven device is turned on, and after the personnel leaves for a certain time, the wind driven device is turned off;
the air sensing module is arranged in the closestool and used for detecting the taste concentration in the closestool, when the taste concentration in the closestool is larger than a first concentration preset value P1, the air driving device is regulated to be a first windshield cleaning position W1, and when the taste concentration in the closestool is larger than a second concentration preset value P2, the air driving device is regulated to be a second windshield cleaning position W2;
the humidity sensing module is arranged on the ground of the bathroom and used for detecting the humidity value in the ground of the bathroom, when the ground humidity is greater than a first humidity preset value R1, the warm air heating module is adjusted to be a first heating gear C1 and the wind power driving device is adjusted to be a first windshield cleaning position W1, and when the ground humidity is greater than a second humidity preset value R2, the warm air heating module is adjusted to be a second heating gear C2 and the wind power driving device is adjusted to be a second windshield cleaning position W2;
the wind power driving device is a fan, the fan is respectively connected with a first air outlet pipeline, a second air outlet pipeline and a third air outlet pipeline through a main pipeline, a bathroom cabinet is provided with a first air outlet, a second air outlet and a third air outlet, the first air outlet, the second air outlet and the third air outlet are respectively connected with the first air outlet pipeline, the second air outlet pipeline and the third air outlet pipeline of the wind power driving device, and the first air outlet pipeline, the second air outlet pipeline and the third air outlet pipeline are all provided with electric valves, the first air outlet pipeline is provided with a fragrance module, the warm air heating module is a heating mechanism, the warm air heating module is arranged in the third air outlet pipeline, and the third air outlet faces the ground of the bathroom.
According to the structure, when the personnel sensing module judges that personnel are in the existing state, the gas sensor is used for acquiring the taste concentration in the closestool, and the taste concentration in the closestool is less than the first concentration preset value P1, the wind power driving device is regulated to be a first wind cleaning position W1, the electric valve of the first air outlet pipeline is closed, and the electric valve of the second air outlet pipeline is opened, so that filtered air is discharged back into the bathroom through the second air outlet;
when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than a first concentration preset value P1 and smaller than a second concentration preset value P2, the wind driven device is regulated to be a first windshield cleaning position W1, the electric valve channel of the first pipeline is opened while the electric valve channel of the second air outlet pipeline is closed, and fragrance is released to the closestool through the first air outlet by the fragrance module;
when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than a second concentration preset value P2, the wind power driving device is adjusted to be a second windshield position W2, the electric valve channel of the second air outlet pipeline is closed, the electric valve channel of the first pipeline is opened, and fragrance is released to the closestool through the first air outlet by the fragrance module.
In addition, the data processing module further comprises a timing drying module, the data processing module is connected with the warm air heating module through the timing drying module, the data processing module is used for drying in a preset time, the third fan is used for discharging filtered air into the bathroom through the third air outlet pipeline, and the warm air heating module is used for heating and heating the air discharged into the bathroom.
Example 2
Substantially the same as embodiment 1, three fans are adopted as the wind power driving device, the three fans are respectively connected with a first wind outlet pipeline, a second wind outlet pipeline and a third wind outlet pipeline, a bathroom cabinet is provided with a first wind outlet, a second wind outlet and a third wind outlet, the first wind outlet, the second wind outlet and the third wind outlet are respectively connected with the first wind outlet pipeline, the second wind outlet pipeline and the third wind outlet pipeline of the wind power driving device, no electric valve is required to be arranged on the first wind outlet pipeline, the second wind outlet pipeline and the third wind outlet pipeline,
in addition, be provided with champignon module on the first air-out pipeline, warm braw heating module is heating mechanism, and warm braw heating module installs in the third air-out pipeline, and the third air outlet is towards bathroom ground.
When the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, and the taste concentration in the closestool is less than a first concentration preset value P1, a second fan of the wind power driving device is regulated to be a first air cleaning position W1, and the second fan discharges filtered air back into the bathroom through a second air outlet pipeline;
when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than a first concentration preset value P1 and smaller than a second concentration preset value P2, then a first fan of the wind power driving device is regulated to be a first windshield cleaning position W1, the first fan discharges filtered air into the bathroom from a first air outlet through a first air outlet pipeline, and fragrance is released to the closestool through the first air outlet through the fragrance module;
when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than a second concentration preset value P2, the wind power driving device is regulated to be a second air cleaning position W2, the first fan is used for discharging filtered air into the bathroom through the first air outlet pipeline, and fragrance is released to the closestool through the first air outlet through the fragrance module.
In addition, the data processing module further comprises a timing drying module, the data processing module is connected with the warm air heating module through the timing drying module, the data processing module is used for drying in a preset time, the third fan is used for discharging filtered air into the bathroom through the third air outlet pipeline, and the warm air heating module is used for heating and heating the air discharged into the bathroom.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The toilet cleaning and ventilating system is characterized by comprising a fresh air device, a data processing module, a personnel sensing module, a gas sensing module and a humidity sensing module;
the air cleaning equipment comprises a wind power driving device arranged in a bathroom cabinet, wherein the wind power driving device is arranged in the bathroom cabinet positioned at one side of a toilet, an air filtering module and a warm air heating module are arranged in the wind power driving device, the height of a toilet seat ring is limited to the height of the air filtering device, and an air inlet of the air filtering module faces to the toilet seat;
the fresh air device is connected with the personnel sensing module, the gas sensing module and the humidity sensing module through the data processing module;
the personnel sensing module is arranged in the closestool and used for monitoring the toilet status of personnel, and when the personnel is detected to be sitting on the closestool, the wind driven device is turned on, and after the personnel leaves for a certain time, the wind driven device is turned off;
the air sensing module is arranged in the closestool and used for detecting the taste concentration in the closestool, when the taste concentration in the closestool is larger than a first concentration preset value P1, the air driving device is adjusted to be a first windshield cleaning position W1, and when the taste concentration in the closestool is larger than a second concentration preset value P2, the air driving device is adjusted to be a second windshield cleaning position W2;
the humidity sensing module is arranged on the ground of the bathroom and used for detecting a humidity value in the ground of the bathroom, when the humidity of the ground is greater than a first humidity preset value R1, the warm air heating module is adjusted to be a first heating gear C1, the wind power driving device is adjusted to be a first windshield cleaning position W1, and when the humidity of the ground is greater than a second humidity preset value R2, the warm air heating module is adjusted to be a second heating gear C2, and the wind power driving device is adjusted to be a second windshield cleaning position W2;
the wind power driving device is at least one fan;
the warm air heating module is a heating mechanism and is arranged at the air outlet pipeline of the wind power driving device.
2. A toilet cleaning ventilation system as claimed in claim 1, wherein: still including setting up first air outlet, second air outlet and the third air outlet on the bathroom cabinet, first air outlet, second air outlet, third air outlet are connected with wind-force drive arrangement's first air-out pipeline, second air-out pipeline, third air-out pipeline respectively, and all install the electric valve on first air-out pipeline, second air-out pipeline, the third air-out pipeline, just be provided with the champignon module on the first air-out pipeline, the warm braw heating module is installed in the third air-out pipeline, the third air outlet is towards bathroom ground.
3. A toilet cleaning ventilation system as claimed in claim 2, wherein: when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is less than a first concentration preset value P1, the wind power driving device is adjusted to be a first air cleaning position W1, the electric valve of the first air outlet pipeline is closed, and the electric valve of the second air outlet pipeline is opened, so that filtered air is discharged back into the bathroom through the second air outlet.
4. A toilet cleaning ventilation system as claimed in claim 2, wherein: when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than a first concentration preset value P1 and smaller than a second concentration preset value P2, then the wind power driving device is adjusted to be a first windshield cleaning position W1, the electric valve channel of the first pipeline is opened while the electric valve channel of the second air outlet pipeline is closed, and fragrance is released to the closestool through the first air outlet by the fragrance module.
5. A toilet cleaning ventilation system as claimed in claim 2, wherein: when the personnel sensing module judges that personnel are in a state of existence, the gas sensor is used for acquiring the taste concentration in the closestool, the taste concentration in the closestool is larger than a second concentration preset value P2, the wind power driving device is adjusted to be a second windshield cleaning position W2, the electric valve channel of the second air outlet pipeline is closed, the electric valve channel of the first pipeline is opened, and fragrance is released to the closestool through the first air outlet by the fragrance module.
6. A toilet cleaning ventilation system as claimed in claim 1, wherein: the data processing module further comprises a timing drying module, and the data processing module is connected with the warm air heating module through the timing drying module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310410450.7A CN116464134A (en) | 2023-04-18 | 2023-04-18 | Bathroom washs ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310410450.7A CN116464134A (en) | 2023-04-18 | 2023-04-18 | Bathroom washs ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116464134A true CN116464134A (en) | 2023-07-21 |
Family
ID=87176532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310410450.7A Pending CN116464134A (en) | 2023-04-18 | 2023-04-18 | Bathroom washs ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116464134A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117356952A (en) * | 2023-10-09 | 2024-01-09 | 张掖兰标生物科技有限公司 | Vehicle-mounted toilet |
-
2023
- 2023-04-18 CN CN202310410450.7A patent/CN116464134A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117356952A (en) * | 2023-10-09 | 2024-01-09 | 张掖兰标生物科技有限公司 | Vehicle-mounted toilet |
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