CN115371238A - Novel constant temperature and humidity control system - Google Patents
Novel constant temperature and humidity control system Download PDFInfo
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- CN115371238A CN115371238A CN202211004299.9A CN202211004299A CN115371238A CN 115371238 A CN115371238 A CN 115371238A CN 202211004299 A CN202211004299 A CN 202211004299A CN 115371238 A CN115371238 A CN 115371238A
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- 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
- F24F11/89—Arrangement or mounting of control or safety devices
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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- 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
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- 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
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention provides a novel constant temperature and humidity control system, and relates to the field of constant temperature and humidity control systems. The constant temperature and humidity control system comprises a central control system, a fresh air inlet module, a filtering function module, a surface cooling function module, a blower control function module, a reheating function module, a humidifying function module, a fire damper function module, a winter/summer conversion function module and an exhaust fan function module. When the anti-freezing switch is used in winter, if the anti-freezing switch acts, the hot water valve is opened to the maximum immediately, within 3 minutes, if the anti-freezing switch can be automatically reset, the hot water valve normally operates according to a return air/exhaust air temperature signal, if the anti-freezing switch does not automatically reset after 3 minutes, the unit stops operating, and sends out an alarm signal to inform maintenance personnel to maintain, and meanwhile, the opening degree of the cold water valve is controlled according to the temperature and humidity signals fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized.
Description
Technical Field
The invention relates to the field of constant temperature and humidity control systems, in particular to a novel constant temperature and humidity control system.
Background
At present, a constant temperature and humidity controller on the market is used for controlling the operation of environmental test equipment, and meanwhile, a constant temperature and humidity air conditioning system controls indoor temperature and humidity and cleanliness within a certain fluctuation range, for example, in some operating rooms, the room temperature is required to be kept at (24 soil 2) ° C all the year round, the relative humidity is kept at (50 soil 10)%, and the application areas of the constant temperature and humidity system are in the fields of hospital operating departments, electronic factories, pharmaceutical workshops, cigarette factories, metering, textile, optical instruments and the like.
Through retrieval, the prior patent (publication number: CN 210924309U) discloses a constant temperature and humidity control system, which can effectively achieve the purpose of constant temperature and humidity, but when the unit of the system fails, the system cannot intelligently and timely troubleshoot and send an alarm, so that the comfort of a user is affected, and the service life of the unit is greatly reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel constant temperature and humidity control system, which solves the problem that most of the conventional constant temperature and humidity systems are not stable enough when used in various environments, simultaneously solves the problem that the conventional constant temperature and humidity systems are easily influenced when used in winter, and simultaneously solves the problem that a unit cannot be intelligently checked in time and give an alarm when in failure.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a novel constant temperature and humidity control system comprises a central control system, a fresh air inlet module, a filtering function module, a surface cooling function module, a blower control function module, a reheating function module, a humidifying function module, a fire valve function module, a winter/summer conversion function module and an exhaust fan function module;
the central control system controls the indoor temperature, humidity and cleanliness within a certain fluctuation range so as to meet the requirements of special occasions such as industrial production, scientific research and the like on the indoor environment, and simultaneously can uniformly allocate and control a plurality of core elements, so that the indoor environment is in a constant temperature and constant humidity state for a long time;
the fresh air inlet module can provide or stop fresh air input indoors;
the filter function module needs to reflect the blocking condition of the filter screen in real time, a pressure difference switch is arranged on two sides of the filter, the pressure difference value on the two sides of the filter is detected and compared with a set value of the filter, and if the pressure difference value exceeds the set value, an alarm signal is sent to remind maintenance personnel to maintain;
the surface cooling function module can monitor the temperature and the humidity of return air or exhaust air in real time, so as to control the opening degree of a cold and hot water valve and realize the functions of temperature reduction, temperature rise and dehumidification, and meanwhile, the surface cooling function module can monitor the temperature of the return air or the inlet air in real time and take corresponding measures in winter;
the blower control function module can control the output frequency of the fan frequency converter to realize constant-pressure air supply;
the reheating function module can control the starting quantity of electric heating according to the monitored temperature signal, namely control the heating quantity;
the humidifying function module can control the humidifying quantity of the electric humidification to realize the humidifying function;
the fire valve function module is used for stopping the operation of the unit and the auxiliary equipment thereof once the fire valve acts, and sending out an alarm signal to inform maintenance personnel to maintain;
the system comprises a winter/summer switching function module, a control cabinet and a water supply main pipe, wherein when a 'refrigerating/heating' switch of the control cabinet is set to be in an automatic state, the system automatically judges that the system is cold water/hot water according to a water temperature detection switch on the water supply main pipe, and can be forcibly switched to a summer/winter mode through the 'refrigerating/heating' switch;
and the exhaust fan functional module is linked with the unit and the automatic door.
Preferably, the new trend air inlet module includes new trend air valve and air inlet temperature control function, air inlet temperature control function includes that air inlet temperature sensor, electricity preheat and high temperature circuit breaker, through new trend air valve and forced draught blower linkage, provides the new trend for the room during operation, cuts off the input of new trend when stopping, simultaneously according to installing the detection signal who preheats hou air inlet temperature sensor at the electricity, control electricity is preheated opens and stops, guarantees that the air inlet temperature is at certain positive value within range, and high temperature circuit breaker's function has been restricted the work temperature rise that the electricity preheats, the protection unit.
Preferably, the filtering function module comprises a primary filter, a secondary filter and a high-efficiency filter, the blocking condition of the filter screen needs to be reflected in real time in the using process of the filter, a pressure difference switch is arranged on two sides of the filter, the pressure difference value on two sides of the filter is detected and compared with a set value of the pressure difference switch, and if the pressure difference value exceeds the set value, an alarm signal is sent to remind a maintainer of maintaining.
Preferably, the meter cooling function module comprises a meter cooling water valve, an anti-freezing switch and a return air/exhaust air temperature sensor, when the anti-freezing switch is used in winter, if the anti-freezing switch acts, the hot water valve is immediately opened to the maximum, within 3 minutes, if the anti-freezing switch can be automatically reset, the hot water valve normally operates according to a return air/exhaust air temperature signal, if the anti-freezing switch is not automatically reset after 3 minutes, the unit stops operating, and sends out an alarm signal to inform maintenance personnel to maintain, and meanwhile, the opening degree of the meter cooling water valve is controlled according to temperature and humidity signals fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized.
Preferably, the blower control function module comprises a blower, a frequency converter, a blowing pressure sensor and a loss air pressure difference switch, the output frequency of the frequency converter of the blower is controlled according to the signal of the blowing pressure sensor, constant-pressure blowing is realized, meanwhile, during the operation of the unit, the pressure difference of the two sides of the air outlet and the air return of the blower is detected in real time and is compared with the set value of the pressure difference, and an alarm signal is sent out when the blower fails.
Preferably, the reheating function module comprises electric reheating, a high-temperature circuit breaker and an air return/exhaust temperature sensor, the starting quantity of electric heating is controlled through temperature signals fed back by the air return/exhaust temperature and humidity sensor, namely, the heating quantity is controlled, the heating function is realized, and meanwhile, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating and protecting the unit.
Preferably, the humidifying function module comprises a humidifier and a return air/exhaust air temperature sensor, and controls the humidifying amount of the electric humidification according to a humidity signal fed back by the return air/exhaust air temperature and humidity sensor, so as to realize the humidifying function.
A use method of the novel constant temperature and humidity control system comprises the following steps:
s1. Central control system
The system controls the indoor temperature, humidity and cleanliness within a certain fluctuation range so as to meet the requirements of special occasions such as industrial production, scientific research and the like on the indoor environment, and simultaneously can carry out uniform allocation and control on a plurality of core elements, so that the indoor environment is in a constant temperature and constant humidity state for a long time;
s2. Fresh air inlet module
The fresh air valve is linked with the air feeder, so that fresh air is supplied to the room during operation, the input of the fresh air is cut off when the operation is stopped, meanwhile, the start and stop of the electric preheating are controlled according to the detection signal of the air inlet temperature sensor arranged behind the electric preheating, the air inlet temperature is ensured to be within a certain positive value range, and the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric preheating and protecting the unit;
s3, filtering function module
When the filter is used, the blocking condition of a filter screen needs to be reflected in real time, pressure difference switches are arranged on two sides of the filter, the pressure difference value of the two sides of the filter is detected and compared with a set value of the pressure difference value, and if the pressure difference value exceeds the set value, an alarm signal is sent out to remind maintenance personnel to maintain;
s4, control function module of air feeder
According to the signal of the air supply pressure sensor, the output frequency of the frequency converter of the air supply machine is controlled, constant-pressure air supply is realized, meanwhile, during the operation of the unit, the pressure difference of the air supply machine at the air outlet side and the air return side is detected in real time and is compared with the set value of the pressure difference, and an alarm signal is sent out when the air supply machine fails;
s5, surface cooling function module
When the anti-freezing switch is used in winter, if the anti-freezing switch acts, the hot water valve is opened to the maximum immediately, within 3 minutes, if the anti-freezing switch can be automatically reset, the hot water valve normally operates according to a return air/exhaust air temperature signal, if the anti-freezing switch is not automatically reset after 3 minutes, the unit stops operating and sends out an alarm signal to inform maintenance personnel to maintain, and meanwhile, the opening degree of the cold water valve is controlled according to the temperature and humidity signals fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized;
s6, reheating function module
The starting number of the electric heating is controlled through temperature signals fed back by the return air/exhaust air temperature and humidity sensor, namely the heating amount is controlled, the heating function is realized, and meanwhile, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating and protecting a unit;
s7, humidifying function module
The humidifying quantity of the electric humidification is controlled according to a humidity signal fed back by the return air/exhaust air temperature and humidity sensor, so that the humidifying function is realized;
s8, fireproof valve function module
Once the fire valve acts, the unit and the auxiliary equipment thereof stop running and send out an alarm signal to inform maintenance personnel to maintain;
s9, an exhaust fan function module which is linked with the unit and the automatic door;
s10. Winter/summer conversion function module
When the 'refrigerating/heating' change-over switch of the control cabinet is set to be in an automatic state, the system automatically judges that the system is cold water/hot water according to the water temperature detection switch on the water supply main pipe, and can be forcibly switched to a summer/winter mode through the 'refrigerating/heating' change-over switch.
(III) advantageous effects
The invention provides a novel constant temperature and humidity control system. The method has the following beneficial effects:
1. the constant temperature and humidity control system designed by the invention controls the indoor temperature, humidity and cleanliness within a certain fluctuation range, so that the requirements of special occasions such as industrial production, scientific research and the like on the indoor environment can be met, the blocking condition of a filter screen can be reflected in real time through the filter, the pressure difference switches are arranged on two sides of the filter, the pressure difference value on the two sides of the filter is detected and compared with the set value of the pressure difference value, if the pressure difference value exceeds the set value, an alarm signal is sent to remind maintenance personnel to maintain, and the stable operation of the constant temperature and humidity control system is ensured.
2. The constant temperature and humidity control system designed by the invention is linked with a blower through a fresh air valve, supplies fresh air to the interior when the system is operated, cuts off the input of the fresh air when the system is stopped, controls the start and stop of electric preheating according to the detection signal of an air inlet temperature sensor arranged behind the electric preheating, ensures that the air inlet temperature is within a certain positive value range, has the function of limiting the working temperature rise of the electric preheating, protects a unit, and simultaneously controls the opening of a cold water valve according to the temperature and humidity signals fed back by the air return/exhaust temperature sensor after an anti-freezing switch is automatically reset within 3 minutes if the hot water valve is immediately opened to the maximum in winter through the action of the anti-freezing switch, and controls the normal operation of the hot water valve according to the return air/exhaust temperature signal if the anti-freezing switch is not automatically reset after 3 minutes, stops the unit and sends out an alarm signal to inform maintenance personnel to maintain, and controls the opening of the cold water valve according to the temperature and humidity signals fed back by the return air/exhaust temperature sensor, thereby realizing the functions of temperature reduction and dehumidification, and ensuring that the system can still stably operate under various weather and environments.
3. The constant temperature and humidity control system designed by the invention controls the output frequency of a frequency converter of the air feeder according to the signal of the air feeding pressure sensor to realize constant pressure air feeding, simultaneously detects the pressure difference between the air outlet side and the air return side of the air feeder in real time during the operation of the unit, compares the pressure difference with the set value of the temperature difference, sends out an alarm signal when the fan fails to ensure that a worker can find and overhaul the unit in time, controls the starting quantity of electric heating through the temperature signal fed back by the air return/air exhaust temperature and humidity sensor, namely controls the heating quantity to realize the heating function, simultaneously, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating to protect the unit, and simultaneously controls the humidification quantity of electric humidification according to the humidity signal fed back by the air return/air exhaust temperature and humidity sensor to realize the humidification function, thereby achieving the function of automatically regulating and controlling the constant temperature and humidity, and ensuring that the constant temperature and humidity control system can achieve the effects of stable use, good constant temperature and humidity effect and long service life when being actually used.
Drawings
FIG. 1 is a schematic structural diagram of a constant temperature and humidity control system provided by the invention;
FIG. 2 is a schematic structural diagram of a fresh air intake module and a filtering function module according to the present invention;
FIG. 3 is a schematic structural diagram of a surface cooling function module and a blower control function module according to the present invention;
fig. 4 is a schematic structural diagram of a reheating function module and a humidifying function module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-4, an embodiment of the present invention provides a novel constant temperature and humidity control system, which includes a central control system, a fresh air intake module, a filtering function module, a surface cooling function module, a blower control function module, a reheating function module, a humidifying function module, a fire damper function module, a winter/summer switching function module, and an exhaust fan function module;
the central control system controls indoor temperature, humidity and cleanliness within a certain fluctuation range so as to meet the requirements of special occasions such as industrial production, scientific research and the like on indoor environment, and can uniformly allocate and control a plurality of core elements so as to ensure that the indoor environment is in a constant temperature and constant humidity state for a long time;
the fresh air inlet module can provide or stop fresh air input indoors;
the filter function module needs to reflect the blocking condition of the filter screen in real time, a pressure difference switch is arranged on two sides of the filter, the pressure difference value on the two sides of the filter is detected and compared with a set value of the filter, and if the pressure difference value exceeds the set value, an alarm signal is sent to remind maintenance personnel to maintain;
the surface cooling function module can monitor the temperature and the humidity of return air or exhaust air in real time, so as to control the opening degree of a cold and hot water valve and realize the functions of temperature reduction, temperature rise and dehumidification, and meanwhile, the surface cooling function module can monitor the temperature of the return air or the inlet air in real time and take corresponding measures in winter;
the blower control function module can control the output frequency of the fan frequency converter to realize constant-pressure air supply;
the reheating function module can control the starting quantity of electric heating according to the monitored temperature signal, namely control the heating quantity;
the humidifying function module can control the humidifying quantity of the electric humidification to realize the humidifying function;
the fire valve function module is used for stopping the operation of the unit and the auxiliary equipment thereof once the fire valve acts, and sending out an alarm signal to inform maintenance personnel to maintain;
the system comprises a winter/summer switching function module, a control cabinet and a water supply main pipe, wherein when a 'refrigerating/heating' switch of the control cabinet is set to be in an automatic state, the system automatically judges that the system is cold water/hot water according to a water temperature detection switch on the water supply main pipe, and can also be forcibly switched to a summer/winter mode through the 'refrigerating/heating' switch;
and the exhaust fan functional module is linked with the unit and the automatic door.
The space calculation module comprises geographic information mapping, a 3D engine, a multitasking UI (user interface) and a virtual remote classroom, teachers and students can conveniently switch to enter various learning environments through the geographic information mapping, the 3D engine, the multitasking UI and the virtual remote classroom, the limitation of a first visual angle in a traditional education mode is broken through the change of the visual angle and the change of the visual angle dimension among virtual persons, the visual angle dimension is further expanded, meanwhile, the limitation of hardware conditions in the traditional education industry is broken through the attempt and scene reconstruction of a virtual learning system, the space fence is broken through the exploration of a thinking level, and the space-time expansion of all aspects is obtained.
The new trend air inlet module includes new trend air valve and air inlet temperature control function, air inlet temperature control function includes air inlet temperature sensor, electricity preheats and high temperature circuit breaker, link with the forced draught blower through new trend air valve, provide the new trend for indoor during operation, cut off the input of new trend when stopping, simultaneously according to installing the detection signal at the electric back air inlet temperature sensor that preheats, the opening of control electricity preheating stops, guarantee that the air inlet temperature is in certain positive value within range, high temperature circuit breaker's function has been restricted the work temperature rise that the electricity preheats, the protection unit.
The filter function module comprises a primary filter, a medium-efficiency filter and a high-efficiency filter, the blocking condition of the filter screen needs to be reflected in real time in the use process of the filter, pressure difference switches are arranged on two sides of the filter, the pressure difference values on two sides of the filter are detected and compared with the set value of the filter, and if the pressure difference values exceed the set value, an alarm signal is sent to remind maintenance personnel to maintain.
The meter cooling function module comprises a meter cooling water valve, an anti-freezing switch and a return air/exhaust air temperature sensor, when the anti-freezing switch is used in winter, the hot water valve is opened to the maximum immediately if the anti-freezing switch acts, the hot water valve normally operates according to a return air/exhaust air temperature signal if the anti-freezing switch can be automatically reset within 3 minutes, the unit stops operating and sends out an alarm signal to inform maintenance personnel to maintain if the anti-freezing switch is not automatically reset after 3 minutes, and meanwhile, the opening degree of the meter cooling water valve is controlled according to a temperature and humidity signal fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized.
The control function module of the air feeder comprises an air feeder, a frequency converter, an air feeding pressure sensor and a loss air pressure difference switch, the output frequency of the frequency converter of the air feeder is controlled according to the signal of the air feeding pressure sensor, constant-pressure air feeding is realized, meanwhile, the pressure difference of the air outlet and the air return sides of the air feeder is detected in real time during the operation of the unit and is compared with the set value of the pressure difference, and an alarm signal is sent out when the air feeder fails.
The reheating function module comprises electric reheating, a high-temperature circuit breaker and an air return/exhaust temperature sensor, the starting quantity of electric heating is controlled through temperature signals fed back by the air return/exhaust temperature and humidity sensor, namely, the heating quantity is controlled, the heating function is realized, meanwhile, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating, and the unit is protected
A use method of a novel constant temperature and humidity control system comprises the following steps:
s1, central control system
The system controls the indoor temperature, humidity and cleanliness within a certain fluctuation range so as to meet the requirements of special occasions such as industrial production, scientific research and the like on the indoor environment, and simultaneously can uniformly allocate and control a plurality of core elements, so that the indoor environment is in a constant temperature and constant humidity state for a long time;
s2. Fresh air inlet module
The fresh air valve is linked with the air feeder, so that fresh air is supplied to the room during operation, the input of the fresh air is cut off when the operation is stopped, meanwhile, the start and stop of the electric preheating are controlled according to the detection signal of the air inlet temperature sensor arranged behind the electric preheating, the air inlet temperature is ensured to be within a certain positive value range, and the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric preheating and protecting the unit;
s3, filtering function module
When the filter is used, the blocking condition of a filter screen needs to be reflected in real time, pressure difference switches are arranged on two sides of the filter, the pressure difference value of the two sides of the filter is detected and compared with a set value of the filter, and if the pressure difference value exceeds the set value, an alarm signal is sent to remind maintenance personnel to maintain;
s4, control function module of air feeder
According to the signal of the air supply pressure sensor, the output frequency of the frequency converter of the air supply machine is controlled, constant-pressure air supply is realized, meanwhile, during the operation of the unit, the pressure difference between the air outlet side and the air return side of the air supply machine is detected in real time and compared with the set value of the pressure difference, and an alarm signal is sent out when the air supply machine fails;
s5, surface cooling function module
When the anti-freezing switch is used in winter, if the anti-freezing switch acts, the hot water valve is immediately opened to the maximum, within 3 minutes, if the anti-freezing switch can be automatically reset, the hot water valve normally operates according to a return air/exhaust air temperature signal, if the anti-freezing switch does not automatically reset after 3 minutes, the unit stops operating, and sends out an alarm signal to inform maintenance personnel to maintain, and meanwhile, the opening degree of the cold water valve is controlled according to the temperature and humidity signals fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized;
s6, reheating function module
The starting number of the electric heating is controlled through temperature signals fed back by the return air/exhaust air temperature and humidity sensor, namely the heating amount is controlled, the heating function is realized, and meanwhile, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating and protecting a unit;
s7, humidifying functional module
The humidifying quantity of the electric humidification is controlled according to a humidity signal fed back by the return air/exhaust air temperature and humidity sensor, so that the humidifying function is realized;
s8, fireproof valve function module
Once the fire valve acts, the unit and the auxiliary equipment thereof stop running and send out an alarm signal to inform maintenance personnel to maintain;
s9, an exhaust fan function module which is linked with the unit and the automatic door;
and S10, a winter/summer conversion function module.
When the 'refrigerating/heating' change-over switch of the control cabinet is set to be in an automatic state, the system automatically judges that the system is cold water/hot water according to the water temperature detection switch on the water supply main pipe, and can be forcibly switched to a summer/winter mode through the 'refrigerating/heating' change-over switch.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel constant temperature and humidity control system which characterized in that: the system comprises a central control system, a fresh air inlet module, a filtering function module, a surface cooling function module, a blower control function module, a reheating function module, a humidifying function module, a fire damper function module, a winter/summer conversion function module and an exhaust fan function module;
the central control system controls the indoor temperature, humidity and cleanliness within a certain fluctuation range so as to meet the requirements of special occasions such as industrial production, scientific research and the like on the indoor environment, and simultaneously can uniformly allocate and control a plurality of core elements, so that the indoor environment is in a constant temperature and constant humidity state for a long time;
the fresh air inlet module can provide or stop fresh air input indoors;
the filter function module needs to reflect the blocking condition of the filter screen in real time, a pressure difference switch is arranged on two sides of the filter, the pressure difference value on the two sides of the filter is detected and compared with a set value of the filter, and if the pressure difference value exceeds the set value, an alarm signal is sent to remind maintenance personnel to maintain;
the surface cooling function module can monitor the temperature and the humidity of return air or exhaust air in real time, so as to control the opening degree of a cold and hot water valve and realize the functions of temperature reduction, temperature rise and dehumidification, and meanwhile, the surface cooling function module can monitor the temperature of the return air or the inlet air in real time and take corresponding measures in winter;
the blower control function module can control the output frequency of the fan frequency converter to realize constant-pressure air supply;
the reheating function module can control the starting number of the electric heating according to the monitored temperature signal, namely, the heating amount is controlled;
the humidifying function module can control the humidifying quantity of electric humidification to realize a humidifying function;
the fire valve function module is used for stopping the operation of the unit and the auxiliary equipment thereof once the fire valve acts, and sending out an alarm signal to inform maintenance personnel to maintain;
the system comprises a winter/summer switching function module, a control cabinet and a water supply main pipe, wherein when a 'refrigerating/heating' switch of the control cabinet is set to be in an automatic state, the system automatically judges that the system is cold water/hot water according to a water temperature detection switch on the water supply main pipe, and can be forcibly switched to a summer/winter mode through the 'refrigerating/heating' switch;
and the exhaust fan functional module is linked with the unit and the automatic door.
2. The novel constant temperature and humidity control system as claimed in claim 1, wherein: the new trend air inlet module includes new trend air valve and air inlet temperature control function, the air inlet temperature control function includes that air inlet temperature sensor, electricity preheat and high temperature circuit breaker, through new trend air valve and forced draught blower linkage, provides the new trend for the room during operation, cuts off the input of new trend when stopping, simultaneously according to installing the detection signal at the electrical preheating hou mian air inlet temperature sensor, opening of control electricity is preheated stops, guarantees that the air inlet temperature is at certain positive value within range, and high temperature circuit breaker's function has been restricted the work temperature rise that the electricity preheats, the protection unit.
3. The novel constant temperature and humidity control system according to claim 1, characterized in that: the filter function module comprises a primary filter, a secondary filter and a high-efficiency filter, the blocking condition of the filter screen needs to be reflected in real time in the using process of the filter, a pressure difference switch is arranged on two sides of the filter, the pressure difference value on two sides of the filter is detected and compared with a set value of the filter, and if the pressure difference value exceeds the set value, an alarm signal is sent to remind a maintainer to maintain.
4. The novel constant temperature and humidity control system according to claim 1, characterized in that: the meter cooling function module comprises a meter cooling water valve, an anti-freezing switch and a return air/exhaust air temperature sensor, when the anti-freezing switch is used in winter, if the anti-freezing switch acts, the hot water valve is opened to the maximum immediately, within 3 minutes, if the anti-freezing switch can be automatically reset, the hot water valve normally operates according to a return air/exhaust air temperature signal, if the anti-freezing switch is not automatically reset after 3 minutes, the unit stops operating and sends out an alarm signal to inform maintenance personnel to maintain, and meanwhile, the opening degree of the meter cooling water valve is controlled according to a temperature and humidity signal fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized.
5. The novel constant temperature and humidity control system as claimed in claim 1, wherein: the blower control function module comprises a blower, a frequency converter, a blowing pressure sensor and a loss wind pressure difference switch, the output frequency of the frequency converter of the blower is controlled according to the signal of the blowing pressure sensor, constant-pressure blowing is achieved, meanwhile, during the operation period of the unit, the pressure difference between the air outlet side and the air return side of the blower is detected in real time and compared with the set value of the pressure difference, and an alarm signal is sent out when the blower fails.
6. The novel constant temperature and humidity control system as claimed in claim 1, wherein: the reheating function module comprises electric reheating, a high-temperature circuit breaker and an air return/exhaust temperature sensor, the starting quantity of electric heating is controlled through temperature signals fed back by the air return/exhaust temperature and humidity sensor, namely, the heating quantity is controlled, the heating function is realized, and meanwhile, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating and protecting the unit.
7. The novel constant temperature and humidity control system according to claim 1, characterized in that: the humidifying function module comprises a humidifier and an air return/exhaust temperature sensor, and controls the humidifying quantity of electric humidification according to a humidity signal fed back by the air return/exhaust temperature and humidity sensor, so that the humidifying function is realized.
8. A use method of a novel constant temperature and humidity control system is characterized in that: the method comprises the following steps:
s1. Central control system
The system controls the indoor temperature, humidity and cleanliness within a certain fluctuation range so as to meet the requirements of special occasions such as industrial production, scientific research and the like on the indoor environment, and simultaneously can uniformly allocate and control a plurality of core elements, so that the indoor environment is in a constant temperature and constant humidity state for a long time;
s2. Fresh air inlet module
The fresh air valve is linked with the air feeder, so that fresh air is supplied to the room during operation, the input of the fresh air is cut off when the operation is stopped, meanwhile, the start and stop of the electric preheating are controlled according to the detection signal of the air inlet temperature sensor arranged behind the electric preheating, the air inlet temperature is ensured to be within a certain positive value range, and the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric preheating and protecting the unit;
s3, filtering function module
When the filter is used, the blocking condition of a filter screen needs to be reflected in real time, pressure difference switches are arranged on two sides of the filter, the pressure difference value of the two sides of the filter is detected and compared with a set value of the pressure difference value, and if the pressure difference value exceeds the set value, an alarm signal is sent out to remind maintenance personnel to maintain;
s4, control function module of air feeder
According to the signal of the air supply pressure sensor, the output frequency of the frequency converter of the air supply machine is controlled, constant-pressure air supply is realized, meanwhile, during the operation of the unit, the pressure difference between the air outlet side and the air return side of the air supply machine is detected in real time and compared with the set value of the pressure difference, and an alarm signal is sent out when the air supply machine fails;
s5, surface cooling function module
When the anti-freezing switch is used in winter, if the anti-freezing switch acts, the hot water valve is opened to the maximum immediately, within 3 minutes, if the anti-freezing switch can be automatically reset, the hot water valve normally operates according to a return air/exhaust air temperature signal, if the anti-freezing switch is not automatically reset after 3 minutes, the unit stops operating and sends out an alarm signal to inform maintenance personnel to maintain, and meanwhile, the opening degree of the cold water valve is controlled according to the temperature and humidity signals fed back by the return air/exhaust air temperature and humidity sensor, so that the cooling and dehumidifying functions are realized;
s6, reheating function module
The starting number of the electric heating is controlled through temperature signals fed back by the return air/exhaust air temperature and humidity sensor, namely the heating amount is controlled, the heating function is realized, and meanwhile, the high-temperature circuit breaker has the function of limiting the working temperature rise of the electric heating and protecting a unit;
s7, humidifying functional module
The humidification quantity of the electric humidification is controlled according to a humidity signal fed back by an air return/exhaust temperature and humidity sensor, so that the humidification function is realized;
s8, fireproof valve function module
Once the fire valve acts, the unit and the auxiliary equipment thereof stop running and send out an alarm signal to inform maintenance personnel to maintain;
s9, an exhaust fan function module which is linked with the unit and the automatic door;
s10. Winter/summer conversion function module
When the 'refrigerating/heating' change-over switch of the control cabinet is set to be in an automatic state, the system automatically judges that the system is cold water/hot water according to the water temperature detection switch on the water supply main pipe, and can be forcibly switched to a summer/winter mode through the 'refrigerating/heating' change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004299.9A CN115371238A (en) | 2022-08-22 | 2022-08-22 | Novel constant temperature and humidity control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004299.9A CN115371238A (en) | 2022-08-22 | 2022-08-22 | Novel constant temperature and humidity control system |
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| Publication Number | Publication Date |
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| CN115371238A true CN115371238A (en) | 2022-11-22 |
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| CN202211004299.9A Withdrawn CN115371238A (en) | 2022-08-22 | 2022-08-22 | Novel constant temperature and humidity control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116288521A (en) * | 2023-05-22 | 2023-06-23 | 山东赛克赛斯氢能源有限公司 | Integrated PEM (PEM) electrolysis system and humidity control method |
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2022
- 2022-08-22 CN CN202211004299.9A patent/CN115371238A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116288521A (en) * | 2023-05-22 | 2023-06-23 | 山东赛克赛斯氢能源有限公司 | Integrated PEM (PEM) electrolysis system and humidity control method |
| CN116288521B (en) * | 2023-05-22 | 2023-09-29 | 山东赛克赛斯氢能源有限公司 | Integrated PEM (PEM) electrolysis system and humidity control method |
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