139 results about "Central air conditioning" patented technology

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

The application discloses a kind of central air conditioning system outlet water temperature and cold hot water pump frequency coupling operation method, including S1, collection basic data;S2, based on the basic data collected analysis central air conditioning cold and heat load influencing factor;S3, based on the cold and heat load influencing factor analyzed, constructs decision regression tree model;S4, according to the decision regression tree model constructed, central air conditioning system is carried out cooling and heating condition division;S5, according to the condition category divided to central air conditioning operation data is screened, determines the optimal host outlet water temperature and cold hot water pump frequency under each condition category as corresponding condition optimal setting parameter, realizes coupling operation.(1) the operation control method provided by the application simultaneously to host outlet water temperature and cold hot water pump frequency optimization, improve the energy-saving potential of central air conditioning system;The method of the application starts from actual engineering data, optimizes water temperature and water pump frequency while ensuring indoor comfort requirements, ensure the feasibility of the method.

The application discloses a kind of pipe inner wall high-pressure pulse cleaning system and method suitable for central air conditioner, it is related to pipeline cleaning technical field, including movable electromagnet coil array, for generating the magnetic field inside the elbow of pipeline, change the motion trajectory of magnetite particles;Pulse synchronous controller, for detecting the working state of pulse cleaning equipment and with pulse cleaning equipment synchronous control movable electromagnet coil array power-on time and magnetic field intensity;Eddy current buffer flow guide, the application is by movable electromagnet coil array, with pulse cleaning equipment electric connection pulse synchronous controller and install in elbow inside eddy current buffer flow guide, realizes the accurate control of magnetite particles motion trajectory in high-pressure pulse cleaning process and kinetic energy buffer, thoroughly solves the centrifugal acceleration wear problem at elbow under the premise of not reducing cleaning effect.

The present application relates to a kind of central air conditioning system for liquid cargo ship, and it is related to the field of shipbuilding, it includes personnel living cabin, comprising: central air conditioner, can handle mixed outdoor fresh air and indoor return air and send to personnel living cabin;Second fresh air port, it is arranged at the position away from dangerous gas source, it is connected with central air conditioner by second fresh air pipe;Balanced fan, it is arranged on second fresh air pipe between second fresh air port and central air conditioner, only in the working condition of dangerous gas generation, open operation can overcome the resistance of fresh air pipe due to second fresh air pipe arrangement at the remote location, and maintain the positive pressure of cabin relative to cabin outside;Return air fan, return air fan provides power for return air flow.In the working condition of loading and unloading liquid cargo, the central air conditioning system of the present application can still provide normal service, and the possibility of dangerous gas into cabin is reduced to a minimum.

This utility model discloses an integrated energy-saving control device for air conditioning air supply, comprising: a microwave radar induction switch with a built-in delay control module for real-time detection of human activity signals within a set area, and triggering a delayed disconnection command after the signal disappears; an intermediate relay connected to the microwave radar induction switch by wires, changing the circuit on / off signal according to the energized and de-energized state of the microwave radar induction switch; and an electric air valve controlled by the on / off signal of the intermediate relay to open or close the air supply channel of the air conditioner. This utility model, by incorporating a directionally adjustable microwave radar induction switch, can monitor the presence of human activity within a set area in real time, and by using an intermediate relay to control the on / off state of the electric air valve based on the feedback signal from the microwave radar induction switch, thereby controlling the opening and closing of the central air conditioning vents in the room. This addresses the problem of energy waste caused by the continuous air supply from the vents of existing central air conditioning systems when no one is present.

The utility model relates to air conditioning water system exhaust technology field, proposes a kind of central air conditioning water system automatic gas collection exhaust device, including gas collecting valve body, the bottom of gas collecting valve body is fixedly connected with connecting pipe, the bottom end of connecting pipe is fixedly connected with the water guide elbow pipe connected with central air conditioning water system, the inside of gas collecting valve body is provided with float ball, the top wall of the inside of gas collecting valve body is equipped with plugging, the top of gas collecting valve body is provided with exhaust structure, exhaust structure includes the transition cylinder fixedly connected in the top of gas collecting valve body, transition cylinder is connected with plugging, the bottom end of transition cylinder outside is fixedly connected with exhaust pipe, exhaust pipe is fixedly connected with outlet one-way valve, the inside of transition cylinder is provided with the air extraction piece that will be extracted by the rising of cooperation float ball gas collecting valve body inside gas, the utility model discloses by introducing initiative air extraction mechanism, gas in gas collecting valve body is forced to be extracted quickly in the rising process of float ball, reduce the contact time of gas and water, to greatly accelerate exhaust speed.

The present application relates to central air conditioning ventilation pipe technical field, disclose a kind of central air conditioning ventilation pipe cleaning equipment for dust-free room and cleaning method thereof, comprising: connecting piece, connecting piece one end is provided with connecting structure;Fixed structure, fixed structure is arranged in the side wall of connecting piece, the elastic force of first torsion spring and second torsion spring is supported for first support rod and second support rod continue to open and contract;Auxiliary moving structure, auxiliary moving structure is arranged in the side wall of fixed structure and connecting piece, by the power transmission of first transmission belt and second transmission belt, make moving wheel rotate movement;Rotary structure, rotary structure is arranged in one end of connecting piece, rotary structure includes connecting gear and connecting gear ring, rotating disc, by the transmission of connecting gear, connecting gear ring, make rotating disc rotate, the present application is guaranteed by setting fixed structure that cleaning equipment can enter into different shape ventilation pipe and carry out operation, it is convenient for staff to carry out cleaning work.

The utility model provides a kind of frame assembly and central air conditioning system of central air conditioning system, it is related to central air conditioning field, the frame assembly of central air conditioning system includes air outlet pipeline and air outlet frame grid, air outlet frame grid is connected with the air outlet of air outlet pipeline by multiple quick-release components, quick-release component includes fixed seat, connecting seat and movable rod, fixed seat is fixedly installed at the air outlet of air outlet pipeline, cross slot and limit slot being set are opened in fixed seat, connecting seat is fixedly installed in air outlet frame grid one side, the inboard wall of connecting seat is fixedly connected with fixed plate, one end of movable rod passes through connecting seat and fixed plate middle part, and the bottom of movable rod is equipped with the clamping block matched with the size of limit slot, the outer surface of movable rod is also equipped with elastic reset piece, one end of elastic reset piece is fixedly connected with one side of fixed plate, by pressing movable rod and rotating translation operation, the quick disassembly and assembly of air outlet frame grid are completed.

This invention discloses an energy-saving control method for central air conditioning chillers based on an energy demand prediction model, belonging to the field of central air conditioning energy-saving control technology. It addresses the problems of existing chiller control methods relying on manual experience, passive adjustments, and high energy consumption. The method includes: collecting relevant data from the air conditioning operating system, outdoor environment, control terminal environment, and control targets from multiple dimensions; constructing a chiller energy demand prediction model using machine learning algorithms to achieve accurate prediction of chiller energy demand; proactively and collaboratively adjusting the chiller operating frequency, circulating water pump operating status, the number of chillers and water pumps started and stopped, and inlet and outlet water temperatures based on the prediction results; and optimizing the model and control strategy through real-time feedback to form a closed-loop control. This invention achieves predictive and anticipatory chiller control, eliminating reliance on manual experience and realizing truly intelligent control. It significantly reduces chiller energy consumption, improves system operational stability and equipment lifespan, and is applicable to energy-saving control of various central air conditioning chiller systems.

1. Name of the designed product: magnetic levitation compressor (M300(X)). 2. Use of the designed product: the designed product is mainly used for the compressor of central air conditioner. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The application relates to the technical field of energy efficiency simulation, and particularly discloses a central air conditioner operation energy efficiency simulation system and method based on machine learning, which comprises the following steps: S1: acquiring annual hourly meteorological data, auxiliary equipment comprehensive power coefficient and cooling equipment performance parameters, and fitting a load rate polynomial; S2: for each hour, inputting a total cooling load, estimating a cooling equipment average energy efficiency coefficient through the load rate polynomial, calculating a condensing heat load, and combining meteorological data and equipment inherent parameters to solve a cooling equipment outlet water temperature; S3: enumerating all cooling equipment start-stop combinations; for each hour, establishing a nonlinear objective function with the maximum instantaneous system total energy efficiency as an objective, and solving an optimal load distribution scheme under each start-stop combination; S4: calculating the instantaneous total energy efficiency of each start-stop combination under the optimal load distribution, selecting a combination corresponding to a maximum value as an optimal combination, and finally calculating the system total energy efficiency in a whole year.

1. Name of the product in this design: Panel of Intelligent Thermostat (II). 2. Application of this design: for communication and control of equipment such as central air conditioning, underfloor heating, and fresh air systems. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: This product is a partial appearance. The parts covered by the red semi-transparent layer in the view are the parts that do not require protection, and the parts not covered by the red semi-transparent layer are the protected parts.

The application belongs to the technical field of virtual power plants, and discloses a water system air conditioner automatic regulation and control method based on a virtual power plant, and the use steps of the method are as follows: S1, the system is an automatic method, and the air conditioner states of all users connected to the system are read; S2, the indoor and outdoor temperatures are monitored, and a water temperature relationship model is maintained; S3, an air conditioner efficiency model is established and maintained; S4, order monitoring and automatic regulation and control; S5, judgment and operation after water temperature regulation; S6, regulation and control during peak regulation; S7, multi-order processing and multi-thread operation; and S8, automatic regulation and control summary. The application provides an air conditioner automatic regulation and control method, which brings great convenience to central air conditioner order management personnel of virtual power plant transactions. Through the automatic strategy, the management personnel can focus more on business orders, and need not participate in the equipment instruction operation during peak regulation, so that the method effectively reduces human error operation and reduces the risk of poor user experience.

The utility model provides a central air conditioning ventilation pipeline dust collector relates to central air conditioning ventilation pipeline dust removal equipment field, and the device passes through the inside of central air conditioning ventilation pipeline automatic cleaning of cleaning robot, has reduced the labor intensity of manual cleaning significantly, can be in the inside of central air conditioning ventilation pipeline meets the automatic notice of cleaning standard, does not need manual judgment, through dust concentration detector matches voice prompter automatic detection and broadcast detection result, is more intelligent, in addition, does not need to spray disinfectant sterilization after completing the dust removal procedure, can realize efficient sterilization through photocatalyst sterilization component and will not make the inside of central air conditioning ventilation pipeline humid, will not produce peculiar smell in the sterilization process, and the sterilization effect is better.

The utility model discloses a central air conditioning system for super high building, include: refrigeration plant, plate heat exchanger, auxiliary cold source, high area end, high area cold pump, plate heat exchanger cold end is connected with refrigeration plant through low area water supply pipe and low area backwater pipe, plate heat exchanger hot end is connected with high area end through high area water supply pipe and high area backwater pipe, high area cold pump sets up on high area water supply pipe, auxiliary cold source includes auxiliary cold loop and heat dissipation circuit, auxiliary cold loop with cold source output circuit are parallel, heat dissipation circuit with low area backwater pipe intercommunication. Through auxiliary cold source, the water supply temperature of high area is reduced to 7 DEG C, to make up the heat transfer temperature difference of plate heat exchanger, guarantee high area to meet the design cooling specification standard, satisfy high area cooling quality demand.

The application provides an air conditioner chilled water control system, method and central air conditioner; wherein, in the system, a main control module adjusts chilled water flow entering a main heat exchanger and total chilled water flow according to refrigerant information and total chilled water information, and adjusts sub-chilled water flow entering each water supply sub-circuit according to sub-chilled water information of each water supply sub-circuit according to the characteristics that the lengths of each water supply sub-circuit are inconsistent, so that each chilled water sub-circuit in the central air conditioner heterogeneous pipe network tends to be reasonable flow, temperature difference and high heat exchange efficiency, which is beneficial to stable temperature control and sufficient heat exchange, thereby improving the energy efficiency of the central air conditioner, reducing the energy consumption of the central air conditioner, achieving the intelligent and energy-saving goals of the central air conditioner, and further improving the air conditioner experience of users.

The utility model discloses a fogging disinfection device for central air conditioning, including air duct, air duct bottom is equipped with air duct flange, air duct below is equipped with solution tank, the top of solution tank is equipped with the solution tank flange of air duct flange adaptation, air duct inside is equipped with the two piece microporous ceramic atomizing piece of inclination setting, the surface of microporous ceramic atomizing piece is equipped with annular piezoelectric driver, the cavity is formed between microporous ceramic atomizing piece, the inside of cavity is equipped with atomizing nozzle, the atomizing nozzle is extended to the inside of solution tank through hose, the utility model discloses through secondary atomization processing, and the disinfectant spreads along the direction of air current, plays good atomization efficiency processing effect, and the effect of atomization diffusion is effectively improved with the air direction and the inclination direction of microporous ceramic atomizing piece, and the efficiency of diffusion is improved.

This application relates to the field of building equipment automation and intelligent control technology, and in particular to a distributed collaborative approximation control method and system for strongly coupled central air conditioning systems. The system includes: an equipment-level control module that establishes a local control model or optimization model based on historical operating data and real-time operating status of the equipment; a coordination layer control module that constructs and publishes coordination state variables as a virtual coordination medium to address system-level coupling constraints in the central air conditioning system; and a system-level evaluation module that collects control decisions or representation information from each equipment-level control module and evaluates the degree of satisfaction and changing trends of system-level coupling constraints. This application, by using coordination state variables as a unified coordination medium, drives each device to collaboratively iteratively approach the global optimal solution under a distributed architecture. This effectively achieves optimal overall performance and stable operation of the central air conditioning system under scenarios of heterogeneous equipment, conflicting operating objectives, or tense system constraints.

The utility model relates to the technical field of automobile instrument panel crossbeam, especially a double -pipe CCB central support assembly for supporting and installing automobile central air conditioning, including double main pipe beam and central support, double main pipe beam includes upper main pipe beam and lower main pipe beam, and central support includes main drive side support, vice drive side support, upper support, middle support, lower middle support and bottom support, and bottom support is fixed with the car body floor, and the support volume is big and high strength, guarantees the strength of driving area, and also can satisfy the fixed requirement of central support assembly, and the four around supports of central support form frame cavity, can transmit and absorb collision load, increase instrument panel crossbeam whole mode frequency, avoid the problem that the steering wheel shakes and makes abnormal sound caused by the insufficient overall strength of instrument panel crossbeam, and the upper main pipe beam and lower main pipe beam of double main pipe beam are connected and form frame structure, and the overall stability of instrument panel crossbeam is good.

The present application belongs to the technical field of building HVAC intelligent control, and discloses a central air conditioning intelligent identification control system and method. The method collects operation data, generates and executes a perturbation identification instruction in a stable operation state; deducts the baseline from the operation data before and after the perturbation to obtain a net temperature response, a net pressure difference response and a net energy consumption response; extracts a thermal response fingerprint according to the net response quantity, establishes an actual association matrix between the execution object and the controlled area; compares the actual association matrix with a drawing association table or an installation registration table, identifies the end mismatch, the weak response area and the abnormal coupling area; corrects the area load demand according to the identification result, generates a candidate control quantity, and performs constraint projection under the constraints of equipment safety, comfort and actual association matrix to output the final control instruction. The present application is suitable for the intelligent identification, operation regulation and control and energy saving control of the central air conditioning system.

The utility model provides a kind of liquid nitrogen refrigeration device, it is related to refrigeration technical field.Liquid nitrogen refrigeration device includes refrigeration component, refrigeration component is used to utilize factory's central air conditioning hot water, to make liquid nitrogen from liquid nitrogen tank inflow to the preheating of refrigeration component in liquid nitrogen, and make the liquid nitrogen after preheating enter vaporizer.This application is directly coupled with central air conditioning waste heat and liquid nitrogen vaporization demand, realize two-way energy recovery, for liquid nitrogen system, utilize originally discarded air conditioner hot water to provide preheating source for liquid nitrogen, significantly reduce the power consumption / steam consumption of vaporizer;For air conditioning system, the process of liquid nitrogen endothermic vaporization synchronously provides cold capacity for air conditioning water, reduces refrigerating unit load, converts waste heat into cold capacity driving source, breaks through the energy waste bottleneck of traditional system independent operation.

The present application relates to the technical field of engineering system modeling simulation optimization, in particular to a central air conditioning chiller operation parameter optimization method based on modeling simulation, comprising the following steps: collecting data to generate a working condition matrix, calculating power response to divide monotonic intervals, screening and verifying parameter combinations to generate a matching set, and constructing an instruction generation optimization output group, in the present application, a time synchronization matrix is constructed by collecting multi-dimensional operation data to eliminate sampling frequency difference interference, the power response is deduced for the evaporation temperature, the inflection point is located by analyzing the differential sign flip characteristics, the nonlinear space is divided into monotonic intervals, the extreme value area is locked by using concave-convex characteristics to avoid blind traversal, the interval boundary and trend label are combined for double verification, the false extreme value interference is eliminated and the physical accessibility is ensured, the optimized parameters are reorganized into control instructions according to the register protocol, the adjustment response rate and stability under dynamic load are improved, and the system optimal energy efficiency operation is carried out.

1. Name of the designed product: pickling machine. 2. Use of the designed product: used in the automatic pickling machine of central air conditioner condenser. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The application discloses a water-cooled central air conditioner terminal baffle metering device and system, the device comprises a control unit and a reference air conditioning unit, a sensing detection unit, a user interface unit and a working condition adjusting unit connected with the control unit; the control unit takes four scalars, i.e. the chilled water supply flow of the host computer, the supply and return water temperature difference, the current temperature and humidity of the room, and a vector composed of all terminal baffle opening state values as input, takes the cooling capacity of the terminal baffle per unit time as output, and establishes a neural network; the room is taken as a heat load, the reference air conditioning unit and the terminal baffle respectively generate refrigeration under the same working condition, the calibrated reference air conditioning unit is taken as a cooling capacity reference sample of the terminal baffle, and the trained network is used to predict the cooling capacity of the terminal baffle under the current working condition. The application can dynamically reflect the cooling capacity change of the terminal baffle, improves the metering precision compared with the method of only detecting the terminal, provides a basis for charging according to the cooling capacity, and is helpful to the energy saving and utilization of the air conditioner.

This utility model discloses a convenient cleaning and maintenance device for central air conditioning systems, relating to the field of central air conditioning technology. It includes a housing, with a water tank for water supply fixedly connected to one side of the housing. A motor is fixedly connected to the other side of the housing, and a threaded rod rotatably connected to the output end of the motor. A cleaning mechanism is provided on the outer side of the threaded rod. The cleaning mechanism achieves efficient cleaning of the central air conditioning filter element through the movement of its included sliding plate. In this convenient cleaning and maintenance device, the rotating shaft simultaneously drives a swing plate to rotate. The rotating swing plate abuts against a contact plate through its arc-shaped end, causing the contact plate to swing. The swinging contact plate then synchronously drives a water spray plate to swing along a fixed axis, thereby achieving multi-angle spraying operations, further improving cleaning efficiency and avoiding cleaning dead zones.

This utility model discloses a rapid filtration device for centralized air conditioning cooling water, relating to the field of water treatment equipment. The filter tank contains a primary filter screen, within which a first filtration chamber is formed. A secondary filter screen is located outside the primary filter screen, forming a second filtration chamber between the two filter screens. A clean water chamber is formed between the second filtration chamber and the inner wall of the filter tank. This staged filtration improves both the filtration effect and speed. A pressure pump increases the filtration pressure, further enhancing the filtration speed. When excessive impurities accumulate on the filter screen, clean water is injected into the clean water chamber through a second backflushing pipe. This clean water backflushes the secondary filter screen, carrying away the accumulated impurities, and is discharged through a second drain pipe. Then, clean water is injected into the second filtration chamber through the first backflushing pipe to backflush and clean the primary filter screen. Wastewater is discharged through both the first and second drain pipes. This rapid cleaning of the filter screen improves its lifespan and filtration efficiency.