CN111912058B - Building environment and wall surface temperature and humidity control system - Google Patents
Building environment and wall surface temperature and humidity control system Download PDFInfo
- Publication number
- CN111912058B CN111912058B CN202010659059.7A CN202010659059A CN111912058B CN 111912058 B CN111912058 B CN 111912058B CN 202010659059 A CN202010659059 A CN 202010659059A CN 111912058 B CN111912058 B CN 111912058B
- Authority
- CN
- China
- Prior art keywords
- air
- assembly
- valve
- temperature
- return
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Abstract
The invention discloses a building environment and wall surface temperature and humidity control system which comprises a cold and heat source unit, an air processing unit, an indoor unit and a main controller. The air treatment unit comprises a filtering assembly, a fan assembly, a heat exchanger assembly, a pipeline, a valve and a temperature and humidity sensor; the indoor unit consists of a static pressure box, a prefabricated hollow plate, an air return box, a temperature and humidity sensor, an air supply tail end and an air return tail end. The system can realize effective control of air supply parameters by the cooperation of the fan, the pipeline and the valve and the operation of the measuring instrument and the main controller, and correspondingly saves energy consumption; the invention can meet the requirements of different temperature and humidity regulation and control in different seasons such as winter, summer, transition season and the like of some buildings needing cooling all year round, and effectively solves the problems of high refrigeration energy consumption in summer and winter of the buildings, easy condensation on wall surfaces in the transition season and the like.
Description
Technical Field
The invention belongs to the technical field of design and manufacture of air conditioning system equipment, and particularly relates to a building environment and wall surface temperature and humidity control system.
Background
Because of the requirements of process guarantee or living comfort, more and more buildings need to regulate and control the indoor temperature and humidity, in the south area of China, the air humidity is high in transitional seasons, and the temperature of the indoor wall surface is often lower than the dew point temperature of the indoor air. The condensation phenomenon on the wall surface of the building is serious in the transitional season. In industries represented by grain storage industries or precision instrument manufacturing industries, buildings of this type have high requirements for indoor temperature and humidity, have cold load demands all year round, and need to adjust the internal environment all year round in transition seasons, taking grain industries as examples: for a long time, the grain storage in China is seriously disturbed by high loss rate and high mildew rate. The grain is not only an important strategic material for the national civilization and the national economic safety, but also the most basic life material of people. The buildings such as the granary for storing grain resources have high air humidity in the buildings in transitional seasons, and the condensation phenomenon on the inner walls of the buildings is serious, so that the reliability of grain storage and production processing is seriously threatened. How to solve this kind of building transition season dehumidification problem, the high-efficient cold and hot source of environment of utilizing simultaneously carries out energy-conservation, adjusts effectively to building environment and wall humiture, is the problem that needs the solution at present urgently.
Disclosure of Invention
In order to solve the problems, the invention discloses a building environment and wall surface temperature and humidity control system, which is used for processing the temperature and the humidity in a building; the system is high in integration level, temperature control is carried out on the wall surface of the building in the transition season through the hollow plate wall surface, and the condensation phenomenon is avoided.
Furthermore, in the building environment and wall surface temperature and humidity control system, the cold and heat source unit can be selectively started and stopped according to the required air treatment state, so that the continuous operation under different working conditions of winter, transition season, summer and the like is met, the temperature of the inlet air and the return air is accurately read and controlled, the environment control requirements of different seasons of the building are effectively met, and the problems of single function, poor seasonal applicability, overlarge energy consumption and the like of the conventional system are solved.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a building environment and wall surface temperature and humidity control system comprises a cold and heat source unit, an air processing unit, an indoor unit and a main controller, wherein the cold and heat source unit comprises a compressor, a four-way valve and an outdoor heat exchanger, the air processing unit comprises an air conditioning box, a fresh air valve, an air return valve and an air outlet are arranged on the air conditioning box, and a filter assembly, an air inlet temperature and humidity sensor, a fan assembly, a heat exchanger assembly, a bypass pipeline, a bypass valve and an air outlet temperature and humidity sensor are sequentially arranged in the air conditioning box along an air inlet direction; the indoor unit divide into wall subassembly and ambient air subassembly, and wherein the wall subassembly sets up at building wall internal wall face, comprises plenum chamber, return air case and hollow core slab, and the ambient air subassembly includes air supply end, return air end, cold and hot source unit passes through air handling unit UNICOM indoor unit, compressor, cross valve, air inlet temperature and humidity sensor are used for the heat exchanger among the control system as the evaporimeter or be the condenser, compressor, cross valve, air inlet temperature and humidity sensor, fan subassembly, heat exchanger subassembly, bypass valve, air-out temperature and humidity sensor, wall temperature sensor all link to each other with the controller, open by controller control and stop or the switch.
Furthermore, a compressor, a four-way valve and an outdoor heat exchanger of the cold and heat source machine are connected through pipelines, so that working media required by refrigeration or heating circulation can circulate among the compressor, the four-way valve, the outdoor heat exchanger and heat exchangers in the air processing unit, and the pipelines are provided with valves and connected with the main controller.
Furthermore, in the building environment and wall surface temperature and humidity control system, the air inlet of the air conditioning box of the air processing unit is provided with a fresh air valve and a return air valve which are connected to corresponding fresh air and return air pipelines, and the fresh air valve and the return air valve are both connected with the main controller through signal transmission lines; and a filter component is arranged behind the air return valve and used for filtering the inlet air.
Furthermore, in the building environment and wall surface temperature and humidity control system, a fan assembly in an air conditioning box in the air processing unit is positioned behind the filter assembly and used for improving the incoming flow speed and pressure, a signal transmission line is arranged in the fan assembly and connected to the main controller, the fan assembly uses a variable frequency fan, and the operating frequency of the fan can be adjusted according to the signal of the main controller so as to control the air output; the air inlet temperature and humidity sensor is located behind the fan section and used for sensing the state of air inlet and connected to the main controller.
Furthermore, in the building environment and wall surface temperature and humidity control system, a heat exchanger assembly is arranged behind a fan assembly in the air processing unit and used for temperature and humidity regulation of incoming air, and a signal transmission line is arranged between the heat exchanger assembly and the main controller; the air supply temperature and humidity sensor is located behind the heat exchanger and used for sensing an air supply state and connected to the main controller, and a compressor of the cold and heat source unit and the outdoor heat exchanger are connected with the heat exchanger assembly through a pipeline to complete working medium (medium) circulation.
Furthermore, in the building environment and wall surface temperature and humidity control system, bypass pipelines crossing the heat exchanger assemblies are arranged in front of and behind the heat exchanger assemblies in the air processing unit, bypass valves are arranged on the bypass pipelines, and inlets of the bypass pipelines are positioned in front of the heat exchanger assemblies and behind the air inlet temperature and humidity sensors; the outlet is positioned behind the heat exchanger assembly and in front of the air supply temperature and humidity sensor. The bypass line is used to bypass air when no cooling or heating conditioning is required to reduce the resistance of the air to flow through the heat exchanger assembly. The bypass valve is connected with a main controller through a signal transmission line, and the opening degree of the bypass valve can be controlled by the main controller.
Furthermore, in the building environment and wall surface temperature and humidity control system, the indoor unit is divided into a wall component and an ambient air component, wherein the wall component is arranged on the inner wall surface of the building and consists of the static pressure box, the air return box and the prefabricated hollow plate. The air treated by the air treatment unit enters the static pressure box through a pipeline to lift static pressure, then flows into the air return box on the other side along the hollow hole pipe in the prefabricated hollow plate, and then enters the air return tail end.
Furthermore, in the building environment and wall surface temperature and humidity control system, a plurality of temperature and humidity sensors are arranged on the inner wall surface of the prefabricated hollow plate in the indoor unit wall assembly and used for sensing the temperature and humidity of the inner wall surface of the building, and signals of the sensors are transmitted to the main controller through transmission lines.
Furthermore, in the building environment and wall surface temperature and humidity control system, the air treated by the air treatment unit can also be sent to the air supply tail end of the indoor unit environment air assembly through a pipeline and used for controlling the indoor temperature and humidity; air after indoor heat exchange can be collected to the air return pipeline from the air return tail end of the indoor unit ambient air assembly.
Furthermore, in the building environment and wall surface temperature and humidity control system, pipelines are respectively connected between the cold and heat source unit and the air processing unit, and between the air processing unit and the indoor unit and used for transporting air or working media, valves are respectively arranged on the pipelines and are connected with the main controller through signal transmission lines and used for controlling the opening degree of the valves.
Furthermore, in the building environment and wall temperature and humidity control system, the main controller collects signals and data uploaded by the components and the sensors and then can start, stop and regulate and control the functional components according to required indoor parameters so as to ensure that the temperature regulation and control of indoor air and the temperature of the building wall are effective.
Furthermore, the building environment and wall surface temperature and humidity control system comprises two sets of the cold and heat source units and an air treatment unit, wherein the two sets of the cold and heat source units are connected through pipelines and provided with valves, the one set of the cold and heat source units and the one set of the air treatment unit form a basic air supply adjusting system, and air supplied by the air supply adjusting system can be selected to enter the static pressure box or the indoor air supply tail end according to different working conditions. The two sets of air supply adjusting systems can respectively process air in the hollow plate enclosure structure and air in a building room; the two systems can work independently or jointly, and the reliability and the adaptability of air regulation are improved.
The invention has the beneficial effects that:
(1) compared with the prior art of preventing dew on the building, the invention can realize the adjustment and control of the temperature of the wall surface of the building by laying the prefabricated hollow slab on the wall surface of the building to establish the air passage, thereby effectively solving the problem of dew on the wall surface of the building in different seasons.
(2) The invention can control the air supply in different states required by different seasons by applying different air processing flows in different seasons, can more accurately regulate the temperature and the humidity of the air supply, can save the operation energy consumption by utilizing natural cold air in winter and can efficiently and stably operate in a high-temperature high-humidity environment in summer compared with the traditional air conditioning system.
(3) In the system, two sets of air supply processing systems are adopted to independently process the indoor air and the air in the wall, the two sets of air supply processing systems can be used for carrying out combined processing on the indoor air or the air in the wall under high heat and humidity loads, the two sets of air supply processing systems can also be used for mutual backup, the operation efficiency and the operation reliability are improved, and the air processing requirement of complex working conditions can be met.
Drawings
FIG. 1 is a general schematic view of a building environment and wall temperature and humidity control system of the present invention;
fig. 2 is a system schematic diagram of the cold and heat source unit of the present invention;
FIG. 3 is a system schematic of an air handling unit of the present invention;
fig. 4 is a system schematic view of an indoor unit of the present invention.
List of reference numerals:
1. the air conditioner comprises a compressor, 2, a four-way valve, 3, a pipeline, 4, an outdoor heat exchanger, 5, a valve, 6, a fresh air valve, 7, an air return valve, 8, a filtering component, 9, a fan component, 10, an air inlet temperature and humidity sensor, 11, a heat exchanger component, 12, an air supply temperature and humidity sensor, 13, a bypass pipeline, 14, a bypass valve, 15, a building wall, 16, a static pressure box, 17, an air return box, 18, a prefabricated hollow plate, 19, a temperature and humidity sensor, 20, an air supply tail end, 21, an air return tail end, 22 and a master controller.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 2, in the building environment and wall surface temperature and humidity control system of the present invention, a cold and heat source unit is mainly composed of a compressor 1, a four-way valve 2, and an outdoor heat exchanger 4, the compressor 1 is connected with the four-way valve by a pipeline 3, the four-way valve 2 is also connected with the outdoor heat exchanger 4 by a pipeline 3, and the pipeline 3 is provided with a plurality of valves 5 for throttling or controlling the flow of a working medium in the pipeline 3. The two outdoor heat exchangers are also communicated by a pipeline 3, and a valve 5 is arranged on the pipeline 3 and used for controlling the flow of the working medium. The compressor 1, the four-way valve 2 and the valve 5 are all connected with the main controller 22 through signal transmission lines and can transmit operation data to the main controller 22. Working medium in the cold and heat source unit is compressed by the compressor 1 and then distributed by the four-way valve 2, enters the heat exchanger assembly 11 (or the outdoor heat exchanger 4) of the air processing unit, throttled by the valve 5, enters the outdoor heat exchanger 4 (or the heat exchanger assembly 11 of the air processing unit), and returns to the compressor 1 through the four-way valve 2 to complete working medium circulation.
As shown in fig. 3, in the building environment and wall surface temperature and humidity control system of the present invention, the air processing unit includes an air conditioning box, an air inlet of the air conditioning box is provided with a fresh air valve 6 and an air return valve 7, and air enters the air processing box through the fresh air valve 6 and the air return valve 7 and is filtered by the filtering component 8. A fan assembly 9 is arranged behind the filtering assembly and used for accelerating the pressurization of inlet air, the fan assembly is connected to a main controller 22 through a signal transmission line, and the main controller can send signals to control the frequency of the fan assembly so as to adjust the air supply quantity; an air inlet temperature and humidity sensor 10 is arranged behind the fan assembly, and can sense the air inlet temperature and humidity state and transmit data to the main controller 22. A heat transmitter component 11 is arranged behind the air inlet temperature and humidity sensor, and working media from a cold and heat source unit flows through the heat transmitter component 11 and can heat or refrigerate air; an air supply temperature and humidity sensor 12 is arranged behind the heat transmitter component 11 and used for monitoring the temperature and humidity state of air supply and transmitting data to the main controller 22; a bypass pipeline 13 spanning the heat exchanger assembly 11 is arranged in front of and behind the heat exchanger assembly 11, and an inlet of the bypass pipeline 13 is positioned in front of the heat exchanger assembly 11 and behind the air inlet temperature and humidity sensor 10; the outlet of the bypass pipeline 13 is positioned behind the heat exchanger assembly 11 and in front of the air supply temperature and humidity sensor 12. The bypass line 13 is used for bypassing when air is not required to be conditioned to reduce the resistance of the air to flow through the heat exchanger assembly 11. The bypass pipeline 13 is provided with a bypass valve 14 for regulating and controlling the air flow in the bypass pipeline 13, and the bypass valve 14 is connected with a main controller 22 through a signal transmission line and can be controlled by the main controller to open. The air is delivered to the components of the indoor unit through the pipeline 3 after being processed by the air conditioning box, the pipeline 3 is provided with a valve 5 for controlling the flow and the on-off of the air, the valve 5, the fresh air valve 6 and the return air valve 7 are all provided with data transmission lines to be connected to the main controller 22, and the opening degree of the valve can be controlled by the main controller 22.
As shown in fig. 4, in the building environment and wall temperature and humidity control system of the present invention, the air treated by the air treatment unit is sent to the indoor unit through the pipeline 3. The indoor unit is divided into a wall assembly and an ambient air assembly, wherein the wall assembly is arranged on the inner wall surface of a building wall 15 and consists of a static pressure box 16, a return air box 17 and a prefabricated hollow plate 18. After entering the static pressure box 16 through the pipeline 3 to lift the static pressure, the air flows into the air return box 17 at the other side along the hollow hole pipe in the prefabricated hollow plate 18 and then enters the air return pipeline; a plurality of temperature and humidity sensors 19 are arranged on the inner wall surface of the prefabricated hollow slab 18 and used for sensing the temperature and humidity of the inner wall surface of a building, and signals of the temperature and humidity sensors 19 are transmitted to the main controller 22 through transmission lines. The processed air can also be sent into the air supply tail end 20 through the pipeline 3 and enters the building room; air in the building room is collected by the return air terminal 21 and then enters the return air pipeline. The static pressure box 16, the air return box 17, the air supply tail end 20 and the air return tail end 21 are all connected with a main controller 22 through signal transmission lines, and the opening degree can be controlled by the main controller 22 to control the air supply quantity and the air return quantity.
The following provides specific operation modes of the system under several typical seasonal conditions, according to the system diagram shown in fig. 1:
storing natural cold in winter: in winter, the cold and heat source unit is not used, outdoor low-temperature air is directly used for cooling the indoor space, and indoor deposits (such as grains and the like) of the building are used for storing natural cold in winter. Outdoor low-temperature air enters an air treatment box through a fresh air valve 6, is accelerated and pressurized by a fan assembly 9 after being filtered by a filtering assembly 8, then crosses a heat exchanger assembly 11 through a bypass pipeline 13 to enter a building room, and the air inlet and air return tail end 21 of the building room is collected and sent into an exhaust pipeline to be exhausted into the environment, so that the operation of full fresh air is realized; the fan assembly 9, the fresh air valve 6 and the bypass valve 14 are controlled by the main controller 22 to regulate the flow of the low temperature air.
The wall is apt to dewing in the transition season, the wall has the heating demand: the cold and heat source unit can be started in a transition season, the outdoor heat exchanger 4 is used as an evaporator, the heat exchanger assembly 11 in the air conditioning assembly is used as a condenser, air initially enters the air conditioning box through the fresh air valve 6, is filtered through the filtering assembly 8, is pressurized and accelerated by the fan assembly 9, is heated in the heat exchanger assembly 11 and then enters the pipeline 5 to be conveyed into the static pressure box 16, and then hot air flows through the hollow hole pipes in the prefabricated hollow plate 18 to heat the prefabricated hollow plate, so that the temperature of the inner wall surface of a building is increased, and condensation is prevented. The air flow after heat transfer in the hollow core slab 18 enters the return air box 17 and flows through the pipe 5 to the return air valve. After the system operates for a certain time, the fresh air valve 6 can be gradually closed to realize the full return air operation; the main controller 22 controls the opening of the return air valve 7, the frequency of the fan assembly 9, the opening of the valve 5 and the power of the compressor 1 according to the collected data so as to control the air supply amount and the air supply state.
There is refrigeration demand in the building room in summer: the cold energy stored in the building (such as grain) is gradually consumed in winter, and air is needed for refrigeration in summer to reduce the temperature in the building. The cold and heat source unit needs to be started in summer, the outdoor heat exchanger 4 is used as a condenser, the heat exchanger assembly 11 in the air conditioning assembly is used as an evaporator, fresh air enters the air conditioning box from the fresh air valve 6 and is mixed with return air in the return air valve 7, the fresh air is filtered by the filtering assembly 8, the fan assembly 9 is pressurized and accelerated, the temperature of the fresh air is reduced in the heat exchanger assembly 11, the fresh air enters the pipeline 5 and is sent to the air supply terminal 20 of the indoor assembly, the fresh air enters the building through the air supply terminal 20 and is cooled, the indoor return air enters the return air pipeline through the return air terminal 21 and is sent to the return air valve 7 and is mixed with the fresh air, and primary return air operation is achieved. The main controller 22 controls the opening of the fresh air valve 6, the return air valve 7, the frequency of the fan assembly 9, the opening of the valve 5, the power of the air supply end 20, the power of the return air end 21 and the power of the compressor 1 according to the collected data so as to control the air supply amount and the air supply state, and the purpose of reducing the indoor temperature of the building is achieved.
As shown in fig. 1, the applicable working conditions of the building environment and wall surface temperature and humidity control system of the invention are not limited to the three working conditions described in the above embodiments, and the air supply requirements under different working conditions can be met by adjusting power, frequency and valve opening according to the required air supply state and application, so that the problems of building refrigeration and wall surface condensation are effectively solved, the control of indoor environment temperature and humidity is improved, and the operation energy consumption is greatly reduced.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (6)
1. The utility model provides a building environment and wall atmospheric control system which characterized in that: the air conditioning unit comprises an air conditioning box, wherein a fresh air valve, an air return valve and an air outlet are arranged on the air conditioning box, and a filtering assembly, an air inlet temperature and humidity sensor, a fan assembly, a heat exchanger assembly, a bypass pipeline, a bypass valve and an air outlet temperature and humidity sensor are sequentially arranged in the air conditioning box along an air inlet direction; the indoor unit is divided into a wall assembly and an ambient air assembly, wherein the wall assembly is arranged on the inner wall surface of a building wall and consists of a static pressure box, an air return box and a prefabricated hollow plate, the ambient air assembly comprises an air supply tail end and an air return tail end, the cold and heat source unit is communicated with the indoor unit through an air processing unit, the compressor, the four-way valve and the air inlet temperature and humidity sensor are used for controlling a heat exchanger in a system to serve as an evaporator or a condenser, the compressor, the four-way valve, the air inlet temperature and humidity sensor, the fan assembly, the heat exchanger assembly, the bypass valve, the air outlet temperature and humidity sensor and the wall surface temperature sensor are all connected with the controller, and the controller controls starting and stopping or switching; the system comprises two sets of the cold and heat source units and an air treatment unit, wherein the two sets of the cold and heat source units are connected through a pipeline and provided with valves;
the specific operation mode of the system is as follows:
a: storing natural cold in winter: the indoor temperature reduction is directly carried out by utilizing outdoor low-temperature air in winter, the natural cold energy in winter is stored by using the deposits in the building, the outdoor low-temperature air enters the air processing box through the fresh air valve, is accelerated and pressurized by the fan assembly after being filtered by the filtering assembly, then enters the building through the bypass pipeline and strides over the heat exchanger assembly, and the air in and out of the building is collected at the tail ends of the air in and out of the building and is sent into the exhaust pipeline to be exhausted into the environment, so that the operation of the fresh air is realized; the fan assembly, the fresh air valve and the bypass valve are controlled by the main controller to adjust the low-temperature air flow;
b: the wall is easy to dewfall in a transition season, the wall surface has heating requirements, a cold and heat source unit is started, an outdoor heat exchanger is used as an evaporator, a heat exchanger assembly in an air conditioning assembly is used as a condenser, air firstly enters an air conditioning box through a fresh air valve, is filtered through a filtering assembly, is pressurized and accelerated by a fan assembly, is heated in the heat exchanger assembly and then enters a pipeline to be conveyed into a static pressure box, and then hot air flows through a hollow hole pipe in a prefabricated hollow plate to heat the prefabricated hollow plate, so that the temperature of the inner wall surface of a building is increased, and dewfall is prevented; after heat transfer in the prefabricated hollow slab, airflow enters an air return box and then flows to an air return valve through a pipeline; after the system operates for a certain time, the fresh air valve is gradually closed to realize the full return air operation; the main controller controls the opening of the air return valve, the frequency of the fan assembly, the opening of the valve and the power of the compressor according to the collected data so as to control the air supply quantity and the air supply state;
c: there is refrigeration demand in the building room in summer: in summer, a cold and heat source unit is started, an outdoor heat exchanger is used as a condenser, a heat exchanger assembly in an air conditioning assembly is used as an evaporator, fresh air enters an air conditioning box from a fresh air valve and is mixed with return air in a return air valve, the mixture is filtered by a filtering assembly, after the pressurization and acceleration of a fan assembly, the temperature of the fresh air is reduced in the heat exchanger assembly, the cooled fresh air enters a pipeline and is conveyed to the air supply end of an indoor assembly, the temperature of the fresh air enters a building room through the air supply end and is reduced, the indoor return air enters a return air pipeline through the return air end and is conveyed to the return air valve and is mixed with the fresh air, and primary return air operation is realized; the main controller controls the fresh air valve, the opening degree of the return air valve, the frequency of the fan assembly, the opening degree of the valve, the power of the air supply tail end, the power of the return air tail end and the power of the compressor according to the collected data so as to control the air supply quantity and the air supply state, and the purpose of reducing the indoor temperature of the building is achieved.
2. The building environment and wall surface temperature and humidity control system according to claim 1, wherein: and the compressor, the four-way valve and the outdoor heat exchanger of the cold and heat source unit are connected through pipelines, and the pipelines are provided with valves and connected with the main controller.
3. The building environment and wall surface temperature and humidity control system according to claim 1, wherein: the air inlet of the air conditioning box of the air processing unit is provided with a fresh air valve and an air return valve which are connected to corresponding fresh air and air return pipelines, and the fresh air valve and the air return valve are both connected with the main controller through signal transmission lines; a filter assembly is arranged behind the fresh air return valve and the return air valve, a fan assembly is positioned behind the filter assembly, a signal transmission line is arranged in the fan assembly and is connected to a main controller, the fan assembly uses a variable frequency fan, an air inlet temperature and humidity sensor is positioned behind a fan section, a heat exchanger assembly is arranged behind the air inlet temperature and humidity sensor, and a signal transmission line is arranged between the heat exchanger assembly and the main controller; the air supply temperature and humidity sensor is located behind the heat exchanger and connected to the main controller, and a compressor of the cold and heat source unit and the outdoor heat exchanger are connected with the heat exchanger assembly through pipelines.
4. The building environment and wall surface temperature and humidity control system of claim 3, wherein: a bypass pipeline crossing the heat exchanger assembly is arranged in front of and behind the heat exchanger assembly in the air processing unit, a bypass valve is arranged on the bypass pipeline, and an inlet of the bypass pipeline is positioned in front of the heat exchanger assembly and behind the air inlet temperature and humidity sensor; the outlet is positioned behind the heat exchanger assembly and in front of the air supply temperature and humidity sensor, and the bypass valve is connected with the main controller through a signal transmission line.
5. The building environment and wall surface temperature and humidity control system according to claim 1, wherein: the indoor unit is divided into a wall assembly and an ambient air assembly, wherein the ambient air assembly comprises an air supply tail end and an air return tail end, the wall assembly is arranged on the inner wall surface of a building and comprises a static pressure box, an air return box and a prefabricated hollow plate, an air outlet of the air processing unit is connected with the static pressure box and the air supply tail end, the static pressure box is connected with the prefabricated hollow plate, the other side of the prefabricated hollow plate is provided with the air return box, and the air return box and the air return tail end are connected with an air return pipeline.
6. The building environment and wall temperature and humidity control system of claim 5, wherein: a plurality of temperature and humidity sensors are arranged on the inner wall surface of a prefabricated hollow plate in the indoor unit wall assembly, and the sensors are connected with a main controller through signal transmission lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659059.7A CN111912058B (en) | 2020-07-09 | 2020-07-09 | Building environment and wall surface temperature and humidity control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659059.7A CN111912058B (en) | 2020-07-09 | 2020-07-09 | Building environment and wall surface temperature and humidity control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111912058A CN111912058A (en) | 2020-11-10 |
| CN111912058B true CN111912058B (en) | 2022-04-29 |
Family
ID=73227749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010659059.7A Active CN111912058B (en) | 2020-07-09 | 2020-07-09 | Building environment and wall surface temperature and humidity control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111912058B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279104B (en) * | 2021-11-15 | 2023-03-28 | 珠海格力电器股份有限公司 | Cold and heat source unit for breeding house and breeding house environment control system |
| CN116657966B (en) * | 2023-06-19 | 2024-01-12 | 广州澳企实验室技术股份有限公司 | High-precision constant temperature and humidity microelectronic hundred-grade clean laboratory |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202809925U (en) * | 2012-09-11 | 2013-03-20 | 苏州柯利达装饰股份有限公司 | Internal respiration-type double-skin curtain wall |
| CN103835416A (en) * | 2014-03-05 | 2014-06-04 | 山西省第二建筑工程公司 | Internal-circular-breathing-type double-layer curtain wall |
| CN104508389A (en) * | 2012-08-06 | 2015-04-08 | 乐金华奥斯株式会社 | Ventilating wall system for conserving energy |
| CN105839810A (en) * | 2016-04-06 | 2016-08-10 | 哈尔滨达城绿色建筑技术开发股份有限公司 | Method for constructing block-integrating air-layer-free air permeable type sandwich wall |
| CN106813333A (en) * | 2017-01-09 | 2017-06-09 | 湖南大学 | Double pipe laying air through tunnels couple air-conditioning system with phase-changing energy-storing |
| CN206522856U (en) * | 2017-03-07 | 2017-09-26 | 重庆大学 | A kind of Fresh air handling units regulator control system suitable for radiation air-conditioner |
| CN206572697U (en) * | 2017-03-03 | 2017-10-20 | 无锡荣成环保科技有限公司 | Paper machine room with air draft dehumidification equipment |
| CN108317652A (en) * | 2018-03-20 | 2018-07-24 | 南京工业大学 | A kind of solar energy heating ventilating system towards passive room |
| CN109610683A (en) * | 2018-11-23 | 2019-04-12 | 浙江大学 | Assembled air-conditioning wall and its operation method |
| CN111237901A (en) * | 2020-01-20 | 2020-06-05 | 同济大学 | Purifying air-conditioning system for laminar flow operating room constant temperature air supply |
| CN111271782A (en) * | 2020-01-21 | 2020-06-12 | 中国人民解放军火箭军工程设计研究院 | Fresh air and tail end jet type temperature and humidity control system and control method for underground building |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332181A (en) * | 1997-06-03 | 1998-12-15 | Matsushita Electric Ind Co Ltd | Ventilator |
| JP3949095B2 (en) * | 2003-09-03 | 2007-07-25 | 康弘 松村 | Ventilation / radiant heating system and ventilation / radiant heating system |
| JP2005283007A (en) * | 2004-03-30 | 2005-10-13 | Kazuo Uetake | Air conditioning system |
| US20080102744A1 (en) * | 2006-10-31 | 2008-05-01 | Everdry Marketing & Management, Inc. | Ventilation system |
| CN201697265U (en) * | 2010-04-30 | 2011-01-05 | 宁波保税区天扬机械电子科技有限公司 | Roof anti-dewing device |
| CN103512116B (en) * | 2013-10-25 | 2017-01-04 | 宋波 | A kind of family formula radiation tail end air conditioning system and control system |
| CN203785138U (en) * | 2014-01-20 | 2014-08-20 | 西安建筑科技大学 | Two temperature radiation room air conditioner capable of processing fresh air |
| CN206784698U (en) * | 2016-12-14 | 2017-12-22 | 四川城市职业学院 | A kind of anti-dewing building structure |
| CN108507092B (en) * | 2018-04-27 | 2024-04-16 | 绵阳纽伦科技有限公司 | Capillary radiation control system |
| CN108518765A (en) * | 2018-05-24 | 2018-09-11 | 中交二公局电务工程有限公司 | Combined type dehumidifying device and its dehumanization method and application in a kind of subway station |
| CN111156642A (en) * | 2019-12-27 | 2020-05-15 | 北京齐家怡居科技有限责任公司 | Multifunctional fresh air fan |
-
2020
- 2020-07-09 CN CN202010659059.7A patent/CN111912058B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104508389A (en) * | 2012-08-06 | 2015-04-08 | 乐金华奥斯株式会社 | Ventilating wall system for conserving energy |
| CN202809925U (en) * | 2012-09-11 | 2013-03-20 | 苏州柯利达装饰股份有限公司 | Internal respiration-type double-skin curtain wall |
| CN103835416A (en) * | 2014-03-05 | 2014-06-04 | 山西省第二建筑工程公司 | Internal-circular-breathing-type double-layer curtain wall |
| CN105839810A (en) * | 2016-04-06 | 2016-08-10 | 哈尔滨达城绿色建筑技术开发股份有限公司 | Method for constructing block-integrating air-layer-free air permeable type sandwich wall |
| CN106813333A (en) * | 2017-01-09 | 2017-06-09 | 湖南大学 | Double pipe laying air through tunnels couple air-conditioning system with phase-changing energy-storing |
| CN206572697U (en) * | 2017-03-03 | 2017-10-20 | 无锡荣成环保科技有限公司 | Paper machine room with air draft dehumidification equipment |
| CN206522856U (en) * | 2017-03-07 | 2017-09-26 | 重庆大学 | A kind of Fresh air handling units regulator control system suitable for radiation air-conditioner |
| CN108317652A (en) * | 2018-03-20 | 2018-07-24 | 南京工业大学 | A kind of solar energy heating ventilating system towards passive room |
| CN109610683A (en) * | 2018-11-23 | 2019-04-12 | 浙江大学 | Assembled air-conditioning wall and its operation method |
| CN111237901A (en) * | 2020-01-20 | 2020-06-05 | 同济大学 | Purifying air-conditioning system for laminar flow operating room constant temperature air supply |
| CN111271782A (en) * | 2020-01-21 | 2020-06-12 | 中国人民解放军火箭军工程设计研究院 | Fresh air and tail end jet type temperature and humidity control system and control method for underground building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111912058A (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201028884Y (en) | Multi-link air-conditioning unit for meanwhile refrigerating, heating and producing hot water | |
| CN101694315B (en) | Air handling device with natural cooling and humidify control | |
| CN105222241B (en) | Double low-temperature receiver four-pipe system air-conditioning systems | |
| CN111912058B (en) | Building environment and wall surface temperature and humidity control system | |
| CN110345566B (en) | Air conditioning system with temperature adjusting and dehumidifying functions and control method thereof | |
| CN201731574U (en) | Variable air duct device of air conditioner | |
| CN105352066A (en) | Heat recovery fresh air handling unit suitable for independent temperature and humidity control system and control method of heat recovery fresh air handling unit | |
| CN101694314A (en) | Air handling device with natural heating and humidity control | |
| CN113310142A (en) | Special cabin environmental control system | |
| CN209978232U (en) | Multi-dimensional energy-saving air conditioning system for process production workshop | |
| CN216346649U (en) | Fresh air equipment and multi-split air conditioning system | |
| CN214038855U (en) | Air conditioner cooling water heat recovery system | |
| CN113757875B (en) | Heat recovery type phase change energy storage fresh air system and working method thereof | |
| CN111089353A (en) | Humidity processing system and method for air conditioner | |
| CN214038734U (en) | Temperature and humidity adjusting system and station structure | |
| CN201944959U (en) | Dual-system air conditioning device | |
| CN212805991U (en) | Air conditioning unit surface cooling subsection energy-saving control system | |
| CN205174627U (en) | Four control air conditioning system of double -cold -source | |
| CN210425298U (en) | Outdoor unit with continuous heating function and air conditioning system | |
| CN208458154U (en) | A kind of natural cooling and heating source comprehensive utilization air-conditioning system | |
| CN111780302A (en) | Humidity control device and method for reheating by using chilled water | |
| CN215295205U (en) | Special cabin environmental control system | |
| CN216011104U (en) | Multi-cold-source total heat recovery system and biological laboratory air conditioning system | |
| CN213810852U (en) | Temperature and humidity independent control water system air conditioning device and air conditioner | |
| CN216346695U (en) | Passive form new trend dehumidification all-in-one |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |