Modularized intelligent public toilet with photovoltaic energy storage and rainwater utilization

Abstract

The application relates to the technical field of public health facilities, in particular to a modular intelligent public toilet with photovoltaic energy storage and rainwater utilization, which comprises a public toilet frame, the rear side of the public toilet frame is fixedly connected with an equipment frame, the top of the public toilet frame is provided with a photovoltaic energy storage integrated module, the inside of the equipment frame is provided with a rainwater comprehensive utilization module, the inside of the equipment frame is provided with a central intelligent control box, and the inside of the public toilet frame is fixedly installed with a toilet function module and a hand washing function module. The application provides the modular intelligent public toilet with photovoltaic energy storage and rainwater utilization, which has the advantages of cross-system collaborative scheduling of photovoltaic energy storage and rainwater utilization, high comprehensive utilization rate of energy and water resources, standardized intelligent communication of function modules, collaborative operation of equipment, convenient late-stage expansion and upgrading, power generation through rainwater potential energy recovery, triple power supply guarantee of photovoltaic cells, commercial power and municipal power, and stable and reliable operation under continuous rainy weather.

Description

Technical Field

[0001] This invention relates to the field of public health facilities technology, specifically to a modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization. Background Technology

[0002] As we all know, smart public toilets are an indispensable public service infrastructure in the construction of smart cities, and their level of greening and intelligence directly affects the quality of urban public services and the quality of life of residents.

[0003] Currently, while existing technologies have achieved the basic functions of photovoltaic power supply and rainwater harvesting, they still have significant shortcomings: photovoltaic energy storage systems and rainwater utilization systems operate independently, lacking a unified central control unit for cross-system coordinated scheduling. They cannot dynamically adjust equipment operation strategies based on photovoltaic power generation, rainwater storage, and public toilet usage load, resulting in low comprehensive utilization efficiency of energy and water resources. Modular design is limited to the physical splicing of building structures, and standardized intelligent communication links have not been established between functional modules. This makes it impossible to achieve coordinated operation of lighting, deodorization, flushing, and other equipment based on the actual usage status of public toilets, making future functional expansion and system upgrades difficult. Furthermore, they only utilize the water resource properties of rainwater, completely wasting the potential energy contained in the rainwater flow process. Moreover, the backup power supply method is singular, relying solely on energy storage batteries. After the battery power is exhausted during continuous rainy weather, the basic operation of public toilets cannot be guaranteed. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization. It features cross-system coordinated scheduling of photovoltaic energy storage and rainwater utilization, high comprehensive utilization rate of energy and water resources, standardized intelligent communication of functional modules, coordinated operation of equipment, convenient expansion and upgrade in the future, as well as rainwater potential energy recovery for power generation, triple power supply guarantee of photovoltaic-battery-mains power, and stable and reliable operation under continuous rainy weather.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization, comprising a public toilet frame, an equipment frame fixedly connected to the rear side of the public toilet frame, a photovoltaic energy storage integrated module disposed on the top of the public toilet frame, a rainwater comprehensive utilization module disposed inside the equipment frame, a central intelligent control box disposed inside the equipment frame, a toilet function module and a handwashing function module fixedly installed inside the public toilet frame, the central intelligent control box being communicatively connected to the photovoltaic energy storage integrated module, the rainwater comprehensive utilization module, the toilet function module and the handwashing function module respectively, and the central intelligent control box having a built-in remote monitoring module, which is communicatively connected to a cloud platform via a 4G / 5G network.

[0006] The above technical solution involves setting up a photovoltaic energy storage integrated module, a rainwater comprehensive utilization module, and a central intelligent control box. The photovoltaic energy storage integrated module is installed on the top of the public toilet frame, receiving natural sunlight to generate and store electricity. The rainwater comprehensive utilization module is placed inside the equipment frame to collect, filter, store, and transport rainwater. The central intelligent control box is fixedly installed on the equipment frame, thereby enabling the coordinated operation of the photovoltaic energy supply and rainwater utilization systems. At the same time, the internal remote monitoring module uses 4G / 5G networks to transmit equipment operation data to the outside for remote monitoring. By setting up toilet function modules and handwashing function modules, both of which are uniformly arranged inside the public toilet frame and are connected to the central intelligent control box, they receive dispatch instructions under the unified management of the central intelligent control box and sequentially complete basic functions such as toilet flushing, environmental improvement, lighting, and daily handwashing. All components of the entire device work together in an orderly manner to stably complete the daily operation of the smart public toilet.

[0007] The present invention is further configured such that: the photovoltaic energy storage integrated module includes a photovoltaic panel array, a lithium iron phosphate battery pack, a bidirectional inverter, and a photovoltaic controller; the photovoltaic panel array is fixedly installed on the top of the public toilet frame by a bracket; the lithium iron phosphate battery pack, the bidirectional inverter, and the photovoltaic controller are all installed inside the equipment frame; the input terminal of the photovoltaic controller is electrically connected to the photovoltaic panel array; the output terminal of the photovoltaic controller is electrically connected to the DC input terminal of the bidirectional inverter; the control terminal of the photovoltaic controller is communicatively connected to the central intelligent control box; and the bidirectional inverter is electrically connected to the lithium iron phosphate battery pack, the toilet function module, the handwashing function module, the mains power supply interface, and the emergency power supply interface, respectively.

[0008] By adopting the above technical solution and setting up a photovoltaic energy storage integrated module, the photovoltaic panel array, located in an open-air position, can receive natural light to generate electricity. The generated electricity is transmitted to the bidirectional inverter via a photovoltaic controller. The photovoltaic controller can receive relevant signals from the central intelligent control box to control the circuit on and off. The bidirectional inverter can store electricity in a lithium iron phosphate battery pack, supply power to various equipment inside the public toilet, and also connect to an external mains power supply interface to supplement power. It can also output power through an emergency power supply interface to meet the power needs of different scenarios.

[0009] The invention is further configured such that: the rainwater comprehensive utilization module includes a rainwater collection hopper, a conduit, a rainwater storage tank, a multi-stage filter cylinder, and a pressurized water supply pump; the rainwater collection hopper is fixedly connected to the tail end of the photovoltaic panel array; the conduit is inclined and connected to the lowest point of the rainwater collection hopper; the rainwater storage tank is located inside the equipment frame; one end of the multi-stage filter cylinder is connected to the conduit, and the other end is connected to the top of the rainwater storage tank; the pressurized water supply pump is located inside the equipment frame; the suction end of the pressurized water supply pump is connected to the rainwater storage tank; the output end of the pressurized water supply pump is connected to the water inlet of the toilet function module; and the pressurized water supply pump is electrically connected to the central intelligent control box.

[0010] Using the above technical solution, by setting up a rainwater comprehensive utilization module, rainwater flowing from the surface of the photovoltaic panel can flow into the rainwater collection hopper. The rainwater flows into the multi-stage filter cylinder through the inclined conduit to complete the impurity treatment. After treatment, the rainwater is stored in the rainwater storage tank. The pressurized water supply pump can receive the power on / off signal from the central intelligent control box. After starting, it draws water from the rainwater storage tank and delivers the water to the toilet function module to complete the water supply for flushing inside the public toilet.

[0011] The present invention is further configured such that: the rainwater comprehensive utilization module also includes a primary filter screen, the primary filter screen is disposed on the top of the rainwater collection hopper, and the primary filter screen is disposed at an angle.

[0012] By adopting the above technical solution, the primary filter screen, which is installed at an angle, can block large debris and floating objects, preventing them from entering the rainwater collection hopper with the rainwater. This reduces the likelihood of blockages in subsequent conduits and multi-stage filter cartridges, and also lightens the burden on subsequent water filtration operations, ensuring the normal operation of the rainwater collection and transportation process.

[0013] The present invention is further configured such that: the rainwater comprehensive utilization module also includes a micro water turbine generator, the micro water turbine generator is disposed between the multi-stage filter cylinder and the rainwater storage tank, the inlet of the micro water turbine generator is connected to the outlet of the multi-stage filter cylinder, the outlet of the micro water turbine generator is connected to the inlet of the rainwater storage tank, and the power output terminal of the micro water turbine generator is electrically connected to a bidirectional inverter.

[0014] By adopting the above technical solution, rainwater that has been treated by multi-stage filter cartridges will flow through the micro water turbine generator during its flow. The water flow can drive the equipment to complete the power generation operation. The electrical energy generated by the equipment is directly transmitted to the bidirectional inverter and incorporated into the entire power supply system for use or storage, making full use of the energy carried by the rainwater during its flow.

[0015] The present invention is further configured such that: the rainwater comprehensive utilization module also includes a liquid level sensor, the liquid level sensor is disposed on the top of the rainwater storage tank, the sensing end of the liquid level sensor penetrates through the top of the rainwater storage tank and extends into the interior, and the liquid level sensor is electrically connected to the central intelligent control box.

[0016] By adopting the above technical solution, a liquid level sensor is installed. The liquid level sensor can sense the water level inside the rainwater storage tank in real time and transmit the sensed electrical signals to the central intelligent control box. This allows the main control equipment to monitor the water storage status inside the rainwater storage tank, thereby coordinating with subsequent water supply and replenishment actions.

[0017] The present invention is further configured such that: the rainwater comprehensive utilization module also includes a municipal water supply valve and an overflow valve, one end of the municipal water supply valve is connected to the municipal water supply network and the other end is connected to the top of the rainwater storage tank, one end of the overflow valve is connected to the rainwater storage tank and the other end is connected to the external drainage network, and the municipal water supply valve is electrically connected to the central intelligent control box.

[0018] By adopting the above technical solution, and by setting up a municipal water supply valve and an overflow valve, when the water level inside the rainwater storage tank is insufficient, the central intelligent control box can control the municipal water supply valve to open and introduce municipal tap water to replenish the rainwater storage tank, ensuring that the water supply will not be interrupted. When the amount of rainwater collected is too large and the water inside the tank is full, the excess water can be discharged directly to the external drainage network through the overflow valve, avoiding the situation of water overflowing from the rainwater storage tank.

[0019] The present invention is further configured such that: the toilet function module includes a first sub-controller, a human body sensor, an intelligent deodorization device, an intelligent light, and a variable frequency flushing structure; the first sub-controller, the human body sensor, and the intelligent deodorization device are respectively installed on the walls inside the public toilet frame near the squat toilet and urinal; the intelligent light is correspondingly installed on the top side inside the public toilet frame; the variable frequency flushing structure is correspondingly installed inside the wall inside the public toilet frame; the water inlet of the variable frequency flushing structure is connected to the main outlet pipe of the pressurized water supply pump; the water outlet of the variable frequency flushing structure is connected to the water inlet leading to the squat toilet or urinal; the first sub-controller is electrically connected to the human body sensor, the intelligent deodorization device, the intelligent light, and the variable frequency flushing structure; and the first sub-controller is communicatively connected to the central intelligent control box.

[0020] Using the above technical solution, by setting up a toilet function module, the human body induction sensor can detect whether someone is using the public toilet and transmit the sensing signal to the first sub-controller. The first sub-controller, according to the received signal, activates the intelligent lighting, intelligent deodorization device and variable frequency flushing structure to complete the corresponding operation. The first sub-controller can also receive unified instructions from the central intelligent control box and cooperate with the whole set of equipment to complete the overall management and control. The variable frequency flushing structure can receive water delivered by the pressurized water supply pump to complete the flushing operation of the public toilet area.

[0021] The present invention is further configured such that: the variable frequency flushing structure includes a flow regulating valve and an electromagnetic flushing valve, both of which are installed inside the wall of the public toilet frame; the inlet of the flow regulating valve is connected to the main outlet pipe of the pressurized water supply pump; the inlet of the electromagnetic flushing valve is connected to the outlet of the flow regulating valve; the outlet of the electromagnetic flushing valve is connected to the inlet leading to the squat toilet or urinal; and both the flow regulating valve and the electromagnetic flushing valve are electrically connected to the first sub-controller.

[0022] Using the above technical solution, by setting up a variable frequency flushing structure, the water flow first passes through the flow regulating valve and then flows into the electromagnetic flushing valve. The first sub-controller can control the flow regulating valve and the electromagnetic flushing valve to control the water flow status. When flushing is needed, the electromagnetic flushing valve is opened to allow water to flow smoothly into the squat toilet or urinal to complete the flushing operation.

[0023] The present invention is further configured such that: the handwashing function module includes a handwashing basin, a second sub-controller, a sensor faucet, a sensor hand dryer, and a warm water heater; the handwashing basin is located inside the public toilet frame near the entrance; the second sub-controller is located on the wall of the public toilet frame near the handwashing basin; the sensor faucet and sensor hand dryer are both located on the top of the handwashing basin; the warm water heater is located at the bottom of the handwashing basin; the inlet of the warm water heater is connected to the municipal water supply network; the outlet of the warm water heater is connected to the inlet of the sensor faucet; the sensor faucet, sensor hand dryer, and warm water heater are all electrically connected to the second sub-controller; and the second sub-controller is communicatively connected to the central intelligent control box.

[0024] Using the above technical solution, by setting up a handwashing function module, the tap water supplied by the municipal pipeline first flows into the warm water heater to complete the heating process. The treated water is then supplied to the sensor faucet. The second sub-controller can receive human trigger signals and control signals from the central intelligent control box, and sequentially control the water output of the sensor faucet and the air output of the sensor hand dryer to meet the needs of people to wash their hands and dry their hands after washing. The entire set of components is independently controlled and will not interfere with the water used for flushing toilets in public restrooms.

[0025] Compared with existing technologies, this invention provides a modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization, which has the following beneficial effects: This modular smart public toilet, equipped with photovoltaic energy storage and rainwater utilization, connects to a central intelligent control box that communicates with the photovoltaic energy storage integration module, rainwater utilization module, toilet function module, and handwashing function module. This allows for unified scheduling of the various systems, adjusting equipment operation based on photovoltaic power generation, rainwater storage, and toilet usage load to improve energy and water resource utilization. Furthermore, the communication between each module and the central intelligent control box enables coordinated operation of lighting, deodorization, and flushing equipment. The built-in remote monitoring module connects to a cloud platform, facilitating future functional expansion and system upgrades. This modular smart public toilet, equipped with photovoltaic energy storage and rainwater utilization, works in conjunction with a photovoltaic energy storage module and a rainwater utilization module to collect and utilize the potential energy generated by rainwater flow. Combined with a matching power supply structure, it forms multiple power supply modes, allowing the public toilet to maintain normal operation even in rainy weather. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram showing the location of the device frame in this invention; Figure 3 This is a schematic diagram of the photovoltaic energy storage integrated module in this invention; Figure 4 This is a schematic diagram of the rainwater comprehensive utilization module in this invention; Figure 5 This is a schematic diagram of the internal structure of the public toilet frame in this invention; Figure 6 This is a schematic diagram of the toilet function module in this invention; Figure 7 This is a schematic diagram of the handwashing function module in this invention; Figure 8 This is a schematic diagram showing the location of the frequency conversion flushing structure in this invention; Figure 9 This is a schematic diagram of the variable frequency flushing toilet structure in this invention.

[0027] In the diagram: 1. Public toilet frame; 2. Equipment frame; 3. Photovoltaic energy storage integrated module; 301. Photovoltaic panel array; 302. Lithium iron phosphate battery pack; 303. Bidirectional inverter; 304. Photovoltaic controller; 4. Rainwater comprehensive utilization module; 401. Rainwater collection hopper; 402. Primary filter; 403. Conduit; 404. Multi-stage filter cartridge; 405. Micro water turbine generator; 406. Rainwater storage tank; 407. Liquid level sensor; 408. Municipal water supply valve; 409. Overflow. 410. Valve; 5. Pressurized water supply pump; 6. Central intelligent control box; 7. Toilet function module; 8. First sub-controller; 9. Human body sensor; 10. Intelligent deodorization device; 11. Intelligent lighting; 12. Variable frequency flushing structure; 13. Flow regulating valve; 14. Electromagnetic flushing valve; 15. Handwashing function module; 16. Handwashing basin; 17. Second sub-controller; 18. Sensor faucet; 19. Sensor hand dryer; 20. Warm water heater. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0029] Please see Figure 1-4 A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization includes a toilet frame 1, an equipment frame 2 fixedly connected to the rear of the toilet frame 1, a photovoltaic energy storage integrated module 3 installed on the top of the toilet frame 1, a rainwater comprehensive utilization module 4 installed inside the equipment frame 2, and a central intelligent control box 5 installed inside the equipment frame 2. The photovoltaic energy storage integrated module 3, installed on the top of the toilet frame 1, receives natural sunlight to generate and store electricity. The rainwater comprehensive utilization module 4, located inside the equipment frame 2, collects, filters, stores, and transports rainwater. The remote monitoring module built into the central intelligent control box 5 transmits equipment operation data externally via a 4G / 5G network, enabling remote supervision. The remote monitoring module can monitor the operating status of each module, battery level, rainwater storage, and equipment fault information. Staff can remotely view and manage the system through a cloud platform. Furthermore, each functional module adopts a standardized interface design, allowing for individual production, transportation, and installation. Individual modules can be replaced or upgraded as needed in the future.

[0030] The photovoltaic energy storage integrated module 3 includes a photovoltaic panel array 301, a lithium iron phosphate battery pack 302, a bidirectional inverter 303, and a photovoltaic controller 304. The photovoltaic panel array 301 is fixedly installed on the top of the public toilet frame 1 by a bracket. The lithium iron phosphate battery pack 302, the bidirectional inverter 303, and the photovoltaic controller 304 are all installed inside the equipment frame 2. The input terminal of the photovoltaic controller 304 is electrically connected to the photovoltaic panel array 301, and the output terminal of the photovoltaic controller 304 is electrically connected to the DC input terminal of the bidirectional inverter 303. The control terminal of the photovoltaic controller 304 is communicatively connected to the central intelligent control box 5. The bidirectional inverter 303 is connected to the lithium iron phosphate battery pack 302, the toilet function module 6, and the handwashing station, respectively. Functional module 7, mains power supply interface and emergency power supply interface are electrically connected. By setting up photovoltaic energy storage integration module 3, the photovoltaic panel array 301 is located in an open-air position and can receive natural light to generate electricity. The generated electricity is transmitted to the bidirectional inverter 303 through photovoltaic controller 304. Photovoltaic controller 304 can receive relevant signals from central intelligent control box 5 to complete circuit on / off control. Bidirectional inverter 303 can store electricity in lithium iron phosphate battery pack 302 for storage, and can also supply power to various equipment inside the public toilet. At the same time, it can also connect to external mains power supply interface to supplement power, and can also output power through emergency power supply interface to meet the power needs in different scenarios.

[0031] The rainwater comprehensive utilization module 4 includes a rainwater collection hopper 401, a conduit 403, a rainwater storage tank 406, a multi-stage filter cartridge 404, and a pressurized water supply pump 410. The rainwater collection hopper 401 is fixedly connected to the tail end of the photovoltaic panel array 301. The conduit 403 is inclinedly connected to the lowest point of the rainwater collection hopper 401. The rainwater storage tank 406 is installed inside the equipment frame 2. One end of the multi-stage filter cartridge 404 is connected to the conduit 403, and the other end is connected to the top of the rainwater storage tank 406. The pressurized water supply pump 410 is installed inside the equipment frame 2. The suction end of the pressurized water supply pump 410 is connected to the rainwater storage tank 406. The output of the pressurized water supply pump 410 is... The outlet is connected to the water inlet of the toilet function module 6, and the pressurized water supply pump 410 is electrically connected to the central intelligent control box 5. By setting up the rainwater comprehensive utilization module 4, the rainwater flowing from the surface of the photovoltaic panel can flow into the rainwater collection hopper 401. The rainwater flows into the multi-stage filter cylinder 404 through the inclined conduit 403 to complete the impurity treatment. After the rainwater is treated, it is stored in the rainwater storage tank 406. The pressurized water supply pump 410 can receive the power on / off signal sent by the central intelligent control box 5. After starting, it draws water from the rainwater storage tank 406 and delivers the water to the toilet function module 6 to complete the water supply for flushing inside the public toilet.

[0032] The rainwater integrated utilization module 4 also includes a primary filter 402, which is set on the top of the rainwater collection hopper 401. The primary filter 402 is set at an angle. By setting the primary filter 402, the angled primary filter 402 can block large debris and floating objects, preventing such debris from entering the rainwater collection hopper 401 with the rainwater. This can reduce the clogging of the subsequent conduit 403 and multi-stage filter cylinder 404, reduce the burden of subsequent water filtration operations, and maintain the normal operation of the rainwater collection and transportation process.

[0033] The rainwater comprehensive utilization module 4 also includes a micro water turbine generator 405. The micro water turbine generator 405 is set between the multi-stage filter cartridge 404 and the rainwater storage tank 406. The inlet of the micro water turbine generator 405 is connected to the outlet of the multi-stage filter cartridge 404, and the outlet of the micro water turbine generator 405 is connected to the inlet of the rainwater storage tank 406. The power output terminal of the micro water turbine generator 405 is electrically connected to the bidirectional inverter 303. By setting up the micro water turbine generator 405, the rainwater treated by the multi-stage filter cartridge 404 will flow through the micro water turbine generator 405 during the flow process. During the water flow, it can drive the equipment to complete the power generation operation. The power generated by the equipment is directly transmitted to the bidirectional inverter 303 and incorporated into the entire power supply system for use or storage, making full use of the energy carried by the rainwater during the flow process.

[0034] The rainwater integrated utilization module 4 also includes a liquid level sensor 407, which is installed on the top of the rainwater storage tank 406. The sensing end of the liquid level sensor 407 passes through the top of the rainwater storage tank 406 and extends into the interior. The liquid level sensor 407 is electrically connected to the central intelligent control box 5. By setting the liquid level sensor 407, the water volume inside the rainwater storage tank 406 can be sensed in real time, and the sensed electrical signals can be transmitted to the central intelligent control box 5. This allows the main control equipment to monitor the water storage status inside the rainwater storage tank 406, thereby coordinating with subsequent water supply and replenishment actions.

[0035] The rainwater integrated utilization module 4 also includes a municipal water supply valve 408 and an overflow valve 409. One end of the municipal water supply valve 408 is connected to the municipal water supply network, and the other end is connected to the top of the rainwater storage tank 406. One end of the overflow valve 409 is connected to the rainwater storage tank 406, and the other end is connected to the external drainage network. The municipal water supply valve 408 is electrically connected to the central intelligent control box 5. By setting the municipal water supply valve 408 and the overflow valve 409, when the water level inside the rainwater storage tank 406 is insufficient, the central intelligent control box 5 can control the municipal water supply valve 408 to open and introduce municipal tap water to replenish the rainwater storage tank 406, ensuring that the water supply will not be interrupted. When the amount of rainwater collected is too large and the water inside the tank is full, the excess water can be directly discharged to the external drainage network through the overflow valve 409, avoiding the overflow of water from the rainwater storage tank 406.

[0036] The working principle of this embodiment is as follows: First, after the entire device is powered on, the central intelligent control box 5 completes the basic self-test of each module. After confirming that all components are connected normally, it enters the standby operation state. During daily use, the photovoltaic panel array 301 installed on the top of the public toilet frame 1 receives natural light to generate electricity. The generated electricity is transmitted to the bidirectional inverter 303 via the photovoltaic controller 304. The photovoltaic controller 304 can receive relevant signals from the central intelligent control box 5 to control the circuit on and off. The bidirectional inverter 303 stores the electricity in the lithium iron phosphate battery pack 302 for storage and supplies power to the electrical equipment inside the public toilet. When the photovoltaic power generation is insufficient... The bidirectional inverter 303 can be connected to an external mains power supply interface to supplement power, and can also output power through an emergency power supply interface to meet the power needs of different scenarios. Meanwhile, rainwater flowing from the photovoltaic panel surface flows into the rainwater collection hopper 401. The inclined primary filter 402 blocks larger debris and floating objects, preventing them from entering the rainwater collection hopper 401 with the rainwater. The rainwater flows along the inclined conduit 403 into the multi-stage filter cylinder 404 for impurity treatment. After being treated by the multi-stage filter cylinder 404, the rainwater flows through the micro-hydrogen generator 405, driving the equipment to generate electricity. The generated electricity is directly fed into the bidirectional inverter 303, and integrated into the entire power supply system for use or storage. Rainwater then flows into the rainwater storage tank 406 for storage. The level sensor 407 continuously monitors the water level in the rainwater storage tank 406 and transmits the relevant electrical signals to the central intelligent control box 5. When the water level in the rainwater storage tank 406 is insufficient, the central intelligent control box 5 controls the municipal water supply valve 408 to open, introducing municipal tap water to replenish the rainwater storage tank 406, ensuring uninterrupted water supply. When the rainwater collection is excessive and the tank is full, the excess water is directly discharged into the external drainage network through the overflow valve 409. To prevent water from overflowing from the rainwater storage tank 406, the pressurized water supply pump 410 receives the power-on / power-off signal from the central intelligent control box 5. After starting, it draws water from the rainwater storage tank 406 and delivers the water to the toilet function module 6. The central intelligent control box 5 is connected to the photovoltaic energy storage integration module 3 and the rainwater comprehensive utilization module 4, respectively, and can uniformly schedule the operation of the two systems. It can adjust the equipment operation status according to the photovoltaic power generation and rainwater storage. At the same time, the remote monitoring module built into the central intelligent control box 5 communicates with the cloud platform through the 4G / 5G network to complete the transmission of equipment operation data. Staff can remotely know the actual operation status of the entire public toilet equipment. Example

[0037] refer to Figure 5-9A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization is disclosed. The toilet frame 1 has a toilet function module 6 and a handwashing function module 7 fixedly installed inside. The central intelligent control box 5 is communicatively connected to the photovoltaic energy storage integrated module 3, the rainwater comprehensive utilization module 4, the toilet function module 6, and the handwashing function module 7. The central intelligent control box 5 has a built-in remote monitoring module, which is connected to the cloud platform via a 4G / 5G network. By setting up the toilet function module 6 and the handwashing function module 7, the two types of function modules are uniformly arranged inside the toilet frame 1 and are all communicatively connected to the central intelligent control box 5. Under the unified control of the central intelligent control box 5, the modules receive dispatch instructions and sequentially complete the basic use actions of the public toilet, such as toilet flushing, environmental improvement, lighting, and daily handwashing water. All components of the entire device work together in an orderly manner to stably complete the daily operation of the smart public toilet.

[0038] The toilet function module 6 includes a first sub-controller 601, a human body sensor 602, an intelligent deodorizing device 603, an intelligent lighting 604, and a variable frequency flushing structure 605. The first sub-controller 601, the human body sensor 602, and the intelligent deodorizing device 603 are respectively installed on the walls inside the public toilet frame 1 near the squat toilet and urinal. The intelligent lighting 604 is correspondingly installed on the top side inside the public toilet frame 1. The variable frequency flushing structure 605 is correspondingly installed inside the wall inside the public toilet frame 1. The water inlet of the variable frequency flushing structure 605 is connected to the main water outlet of the pressurized water supply pump 410, and the water outlet of the variable frequency flushing structure 605 is connected to the water inlet leading to the squat toilet or urinal. The first sub-controller 601 is electrically connected to the human body sensor 602, the intelligent deodorizing device 603, the intelligent lighting 604, and the variable frequency flushing structure 605. Next, the first sub-controller 601 is communicatively connected to the central intelligent control box 5. By setting the toilet function module 6, the human body induction sensor 602 can detect whether anyone is using the public toilet and transmit the sensing signal to the first sub-controller 601. The first sub-controller 601 activates the intelligent lighting 604, the intelligent deodorization device 603, and the variable frequency flushing structure 605 according to the received signal to complete the corresponding operation. The intelligent deodorization device can be a plasma deodorization device or an activated carbon adsorption device. This application only protects its installation location and control method, and does not elaborate on its specific algorithm steps. The first sub-controller 601 can also receive unified instructions issued by the central intelligent control box 5 to cooperate with the whole set of equipment to complete the overall management and control. The variable frequency flushing structure 605 can receive the water delivered by the pressurized water supply pump 410 to complete the flushing operation of the public toilet area.

[0039] The variable frequency flushing structure 605 includes a flow regulating valve 6051 and an electromagnetic flushing valve 6052. Both the flow regulating valve 6051 and the electromagnetic flushing valve 6052 are installed inside the walls of the public toilet frame 1. The inlet of the flow regulating valve 6051 is connected to the main outlet pipe of the pressurized water supply pump 410. The inlet of the electromagnetic flushing valve 6052 is connected to the outlet of the flow regulating valve 6051, and the outlet of the electromagnetic flushing valve 6052 is connected to the inlet leading to the squat toilet or urinal. Both 51 and the electromagnetic flush valve 6052 are electrically connected to the first sub-controller 601. By setting the variable frequency flushing structure 605, the water flow first passes through the flow regulating valve 6051 and then flows into the electromagnetic flush valve 6052. The first sub-controller 601 can control the flow regulating valve 6051 and the electromagnetic flush valve 6052 to control the water flow. When flushing is needed, the electromagnetic flush valve 6052 is opened to allow water to flow smoothly into the squat toilet or urinal to complete the flushing operation.

[0040] The handwashing function module 7 includes a handwashing station 701, a second sub-controller 702, a sensor faucet 703, a sensor hand dryer 704, and a warm water heater 705. The handwashing station 701 is located inside the public toilet frame 1 near the entrance. The second sub-controller 702 is located on the wall of the public toilet frame 1 near the handwashing station 701. The sensor faucet 703 and sensor hand dryer 704 are both located on top of the handwashing station 701. The warm water heater 705 is located at the bottom of the handwashing station 701. The inlet of the warm water heater 705 is connected to the municipal water supply network, and the outlet of the warm water heater 705 is connected to the inlet of the sensor faucet 703. Both the sensor-operated hand dryer 704 and the warm water heater 705 are electrically connected to the second sub-controller 702, which is communicatively connected to the central intelligent control box 5. By setting up the handwashing function module 7, the tap water supplied by the municipal pipeline first flows into the warm water heater 705 for heating. The treated water is then supplied to the sensor-operated faucet 703. The second sub-controller 702 can receive human trigger signals and control signals from the central intelligent control box 5, and sequentially control the sensor-operated faucet 703 to dispense water and the sensor-operated hand dryer 704 to dispense air, meeting the needs of people to wash their hands and dry their hands after washing. The entire set of components is independently controlled and will not interfere with the public toilet flushing water.

[0041] The working principle of this embodiment is as follows: First, after the entire device based on Embodiment 1 is powered on, the central intelligent control box 5 will complete the basic self-test of the toilet function module 6 and the handwashing function module 7. After confirming that all components are connected normally, it will enter the standby operation state. During daily use, when someone enters the toilet area, the human body sensor 602 senses the activity of the person on site and transmits the sensing signal to the first sub-controller 601. After receiving the signal, the first sub-controller 601 will activate the intelligent lighting 604 to provide lighting and activate the intelligent deodorizing device 603 to improve the air environment of the toilet area. After the person leaves the toilet area, the human body sensor 602 will transmit the signal of the person leaving to the first sub-controller 601. The first sub-controller 601 will then control the variable frequency flushing structure 605 to start the flushing operation. The water flow first passes through the flow regulating valve 6051 and then flows into the electromagnetic flushing valve 6052. The first sub-controller 601 controls the on / off time of the electromagnetic flushing valve 6052 to allow the water to flow smoothly into the squat toilet or urinal to complete the flushing action. When a staff member uses the handwashing station 701, the second sub-controller 702 receives a human trigger signal and first controls the sensor faucet 703 to dispense water. The tap water supplied by the municipal water supply network flows into the warm water heater 705 for preheating. The treated water then flows out through the sensor faucet 703 for use. After the staff member finishes washing their hands and leaves the sensing range of the sensor faucet 703, the second sub-controller 702 controls the sensor faucet 703 to stop dispensing water and then activates the sensor hand dryer 704 to dry the staff member's hands. Throughout the operation, both the first sub-controller 601 and the second sub-controller 702 maintain communication with the central intelligent control box 5, receiving unified dispatch instructions from the central intelligent control box 5 and cooperating with the entire equipment to complete the overall operation and management. At the same time, the remote monitoring module built into the central intelligent control box 5 communicates with the cloud platform via a 4G / 5G network, transmitting the operating data of the toilet function module 6 and the handwashing function module 7 to the outside. Staff can remotely know the actual operating status of these two types of function modules, facilitating timely maintenance and adjustment.

[0042] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. Those skilled in the art can make modifications to this embodiment without contributing any inventive step after reading this specification. 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 variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization, comprising a public toilet frame (1), characterized in that: The public toilet frame (1) is fixedly connected to the rear side of the equipment frame (2). The top of the public toilet frame (1) is provided with a photovoltaic energy storage integrated module (3). The equipment frame (2) is provided with a rainwater comprehensive utilization module (4). The equipment frame (2) is provided with a central intelligent control box (5). The public toilet frame (1) is fixedly installed with a toilet function module (6) and a handwashing function module (7). The central intelligent control box (5) is connected to the photovoltaic energy storage integrated module (3), the rainwater comprehensive utilization module (4), the toilet function module (6), and the handwashing function module (7) respectively. The central intelligent control box (5) is equipped with a remote monitoring module. The remote monitoring module is connected to the cloud platform through a 4G / 5G network.

2. The modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 1, characterized in that: The photovoltaic energy storage integrated module (3) includes a photovoltaic panel array (301), a lithium iron phosphate battery pack (302), a bidirectional inverter (303), and a photovoltaic controller (304). The photovoltaic panel array (301) is fixedly installed on the top of the public toilet frame (1) by a bracket. The lithium iron phosphate battery pack (302), the bidirectional inverter (303), and the photovoltaic controller (304) are all installed inside the equipment frame (2). The input terminal of the photovoltaic controller (304) is electrically connected to the photovoltaic panel array (301), and the output terminal of the photovoltaic controller (304) is electrically connected to the DC input terminal of the bidirectional inverter (303). The control terminal of the photovoltaic controller (304) is communicatively connected to the central intelligent control box (5). The bidirectional inverter (303) is electrically connected to the lithium iron phosphate battery pack (302), the toilet function module (6), the handwashing function module (7), the mains power supply interface, and the emergency power supply interface, respectively.

3. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 1, characterized in that: The rainwater integrated utilization module (4) includes a rainwater collection hopper (401), a conduit (403), a rainwater storage tank (406), a multi-stage filter cartridge (404), and a pressurized water supply pump (410). The rainwater collection hopper (401) is fixedly connected to the tail end of the photovoltaic panel array (301). The conduit (403) is inclinedly connected to the lowest point of the rainwater collection hopper (401). The rainwater storage tank (406) is installed inside the equipment frame (2). One end of the filter cartridge (404) is connected to the conduit (403), and the other end is connected to the top of the rainwater storage tank (406). The pressurized water supply pump (410) is installed inside the equipment frame (2). The suction end of the pressurized water supply pump (410) is connected to the rainwater storage tank (406). The output end of the pressurized water supply pump (410) is connected to the water inlet of the toilet function module (6). The pressurized water supply pump (410) is electrically connected to the central intelligent control box (5).

4. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 3, characterized in that: The rainwater integrated utilization module (4) also includes a primary filter (402), which is located on top of the rainwater collection hopper (401) and is inclined.

5. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 3, characterized in that: The rainwater integrated utilization module (4) also includes a micro water turbine generator (405), which is located between the multi-stage filter cylinder (404) and the rainwater storage tank (406). The inlet of the micro water turbine generator (405) is connected to the outlet of the multi-stage filter cylinder (404), and the outlet of the micro water turbine generator (405) is connected to the inlet of the rainwater storage tank (406). The power output terminal of the micro water turbine generator (405) is electrically connected to the bidirectional inverter (303).

6. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 3, characterized in that: The rainwater integrated utilization module (4) also includes a liquid level sensor (407), which is located on the top of the rainwater storage tank (406). The sensing end of the liquid level sensor (407) passes through the top of the rainwater storage tank (406) and extends into the interior. The liquid level sensor (407) is electrically connected to the central intelligent control box (5).

7. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 3, characterized in that: The rainwater integrated utilization module (4) also includes a municipal water supply valve (408) and an overflow valve (409). One end of the municipal water supply valve (408) is connected to the municipal water supply network, and the other end is connected to the top of the rainwater storage tank (406). One end of the overflow valve (409) is connected to the rainwater storage tank (406), and the other end is connected to the external drainage network. The municipal water supply valve (408) is electrically connected to the central intelligent control box (5).

8. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization according to claim 1, characterized in that: The toilet function module (6) includes a first sub-controller (601), a human body sensor (602), an intelligent deodorizing device (603), an intelligent lighting lamp (604), and a variable frequency flushing structure (605). The first sub-controller (601), the human body sensor (602), and the intelligent deodorizing device (603) are respectively installed on the walls inside the public toilet frame (1) near the squat toilet and urinal. The intelligent lighting lamp (604) is correspondingly installed on the top side inside the public toilet frame (1). The variable frequency flushing structure (605) The variable frequency flushing structure (605) is installed in the wall inside the public toilet frame (1). The water inlet of the variable frequency flushing structure (605) is connected to the main water outlet of the pressurized water supply pump (410). The water outlet of the variable frequency flushing structure (605) is connected to the water inlet leading to the squatting toilet or urinal. The first sub-controller (601) is electrically connected to the human body sensor (602), the intelligent deodorization device (603), the intelligent lighting lamp (604) and the variable frequency flushing structure (605). The first sub-controller (601) is communicatively connected to the central intelligent control box (5).

9. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization as described in claim 8, characterized in that: The variable frequency flushing structure (605) includes a flow regulating valve (6051) and an electromagnetic flushing valve (6052). Both the flow regulating valve (6051) and the electromagnetic flushing valve (6052) are installed inside the wall of the public toilet frame (1). The inlet of the flow regulating valve (6051) is connected to the main outlet pipe of the pressurized water supply pump (410). The inlet of the electromagnetic flushing valve (6052) is connected to the outlet of the flow regulating valve (6051). The outlet of the electromagnetic flushing valve (6052) is connected to the inlet leading to the squat toilet or urinal. Both the flow regulating valve (6051) and the electromagnetic flushing valve (6052) are electrically connected to the first sub-controller (601).

10. A modular smart public toilet equipped with photovoltaic energy storage and rainwater utilization according to claim 1, characterized in that: The handwashing function module (7) includes a handwashing station (701), a second sub-controller (702), a sensor faucet (703), a sensor hand dryer (704), and a warm water heater (705). The handwashing station (701) is located inside the public toilet frame (1) on the side near the entrance. The second sub-controller (702) is located on the wall of the public toilet frame (1) on the side near the handwashing station (701). The sensor faucet (703) and the sensor hand dryer (704) are both located on the handwashing station (701). The warm water heater (705) is located at the top of the washbasin (701) and at the bottom. The inlet of the warm water heater (705) is connected to the municipal water supply network, and the outlet of the warm water heater (705) is connected to the inlet of the sensor faucet (703). The sensor faucet (703), the sensor hand dryer (704) and the warm water heater (705) are all electrically connected to the second sub-controller (702). The second sub-controller (702) is communicatively connected to the central intelligent control box (5).

Images