CN116301139A - Energy-saving temperature and humidity regulation system for archive warehouse - Google Patents
Energy-saving temperature and humidity regulation system for archive warehouse Download PDFInfo
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Abstract
The invention discloses an energy-saving temperature and humidity regulation system of a archival warehouse, relates to the technical field of temperature and humidity regulation, and solves the problems of slow feedback of temperature and humidity regulation and high energy consumption of the archival warehouse. The scheme adopted by the system comprises a temperature sensing module, a humidity sensing module, a temperature regulation module, a humidity regulation module and an energy-saving module, wherein a semiconductor refrigerator is adopted by a refrigerating and heating unit in the temperature regulation module to realize the function of rapid refrigeration or heating, the humidity of the archive is increased according to the target humidification amount calculated by the regulation unit by the humidity regulation module, and the energy-saving module adopts a frequency converter to automatically regulate the temperature control module and the humidity control module based on an energy storage capacitor to always keep in the most economical running state.
Description
Technical Field
The invention relates to the field of temperature and humidity regulation, in particular to an energy-saving temperature and humidity regulation system for an archive warehouse.
Background
The temperature and humidity regulation of the archive warehouse is the most basic business work in archive protection work and directly influences the service life of the archive, so that the archive warehouse must be comprehensively regulated and controlled according to local conditions and economic conditions of departments by adopting various methods, and the temperature and humidity control is in a standard range. Along with the development of the age, the degree of automation of regulation and control is also continuously improved so as to meet the requirements of file protection work.
Along with the rapid development of artificial intelligence technology, temperature and humidity regulation in the prior art also gradually becomes intelligent and automatic, and a temperature and humidity regulation system of the archive storehouse generally carries out regulation respectively according to the difference between temperature and relative humidity and a target value, but the regulation mode is slow in temperature and humidity regulation, and can not regulate proper temperature and humidity of the archive storehouse in a short time, so that the archive storehouse is easily influenced by external comprehensive factors such as air in the operation and maintenance process, and how to dynamically regulate temperature and humidity data information in the archive storehouse according to state data information of the archive storehouse is a technical problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the technology, the invention discloses an energy-saving temperature and humidity regulation system of a archival repository, which can collect temperature and humidity parameters, quickly regulate the temperature and humidity of the internal environment of the archival repository, automatically regulate the temperature control module and the humidity control module by adopting a frequency converter based on an energy storage capacitor to always keep in the most economical running state, realize the dynamic regulation of temperature data information in the archival repository by the temperature and humidity regulation system of the archival repository, and greatly improve the temperature and humidity monitoring capability of the archival repository.
The invention adopts the following technical scheme:
an energy-saving temperature and humidity regulation system of an archive warehouse, which comprises a temperature sensing module and a humidity sensing module,
the temperature sensing module is used for detecting the temperature of the archive warehouse and obtaining temperature parameters;
the humidity sensing module is used for detecting the humidity of the archive storehouse and obtaining humidity parameters;
the method is characterized in that: the system also comprises a temperature regulation module, a humidity regulation module and an energy-saving module;
the temperature regulation and control module is used for regulating the internal environment temperature of the archive storehouse, the temperature regulation and control module comprises a refrigerating and heating unit and a regulation and control unit, the refrigerating and heating unit adopts a semiconductor refrigerating or heating device to realize the refrigerating or heating function, the regulation and control unit is used for controlling the refrigerating or heating degree of the refrigerating and heating unit, the input end of the regulation and control unit is connected with the output end of the refrigerating and heating unit, the regulation and control unit is provided with a node controller, the node controller realizes node control through heat source node control and non-heat source node control, and the node controller is used for regulating the temperature parameter of the archive storehouse to reach the temperature of the set storage archive;
the humidity control module comprises a water adding module, an atomization module, a metering module, a diagnosis module, a visual display module, a conversion module and a main control module, wherein the main control module is respectively connected with the metering module and the conversion module;
the energy-saving module is used for reducing energy-saving consumption of the humidity regulation module and the temperature regulation module, the energy-saving module adopts a frequency converter to automatically regulate the temperature regulation module and the humidity regulation module to always keep in the most economical running state, the frequency converter comprises a rectifying unit, an energy storage capacitor and a motor, the output end of the rectifying unit is connected with the input end of the energy storage capacitor, and the output end of the energy storage capacitor is connected with the input end of the motor;
the output end of the temperature sensing module is connected with the input end of the temperature regulation module, the output end of the humidity sensor module is connected with the input end of the humidity regulation module, and the output end of the energy-saving module is respectively connected with the input ends of the humidity regulation module and the temperature regulation module.
As a further technical scheme of the invention, the refrigerating and heating unit realizes the refrigerating and heating effect on the archive storehouse through the semiconductor refrigerator, the semiconductor refrigerator adopts a method of switching current forward and reverse mutually to realize the refrigerating or heating effect of the semiconductor refrigerator, the semiconductor refrigerator comprises a semiconductor refrigerating sheet, a heat conductor and a heat radiating device, the semiconductor refrigerating sheet is arranged at one section close to the archive as a temperature regulating working end for regulating temperature, the heat conductor is connected with the temperature regulating working section at one end far away from the archive for radiating redundant heat, and the heat conductor is provided with a pipeline for conducting heat and outputs heat through heat conducting liquid in the pipeline.
As a further technical scheme of the invention, the refrigerating or heating method for controlling the refrigerating and heating unit by the regulating and controlling unit comprises the following steps:
in the case of the formula (1),
is the thickness parameter of the files in the archive, +.>
The heat conductivity coefficient of a file part in the archive, the heat conductivity coefficient of the archive, the average heat dissipation coefficient and the area of a theme part of the external wall of the archive are respectively H, K and F, and +.>
Output weight value for indicating the whole state in the process of detecting the temperature of the archive>
Error function representing weight adjustment of data output layer in detection process of archive>
、/>
Weight coefficient for representing temperature and humidity detection of archiveAnd external environmental influence coefficient,/->
Representing the thermal convection coefficient;
the heat transfer coefficient of the archive is expressed by a formula (1) and can be calculated and expressed by the relation between the thickness of the archive in the archive and part of the heat transfer coefficient in the archive;
the heat dissipation function of the archive space in 24 hours within 24 hours is:
in formula (2), QT is the amount of heat dissipated over a period of time,
、/>
is the lower limit temperature and the upper limit temperature, +.>
For the space volume of the archive, dt is the difference between the lower limit temperature and the upper limit temperature, and is derived from time, U is the heat transfer coefficient of the window, and A is the glass area; />
Vector representing degree of abnormality of each node after fault spread, < ->
Representing a fault diffusion coefficient;
calculating the relation among the time, the volume of the archive space and the time to obtain the heat dissipated in 24 hours in the archive space by using the formula (2), wherein the heat dissipated in 24 hours in the archive space is in direct proportion to the time, the volume of the archive space and the time;
in the formula (3) of the present invention,
for the total heat generated by the refrigerating and heating unit, < >>
For the total amount of water in and out->
The temperatures of water inlet and outlet are respectively;
the total heat generated by the refrigerating and heating unit is calculated according to the relation of the total amount of water inlet and outlet, the temperature of the water inlet and outlet and the time interval, and the total heat generated by the refrigerating and heating unit is in direct proportion to the total amount of water inlet and outlet, the temperature difference and the time interval;
step 3, heat dissipation of the archive storehouse is related to the volume of the archive storehouse and indoor air flow, and archive storehouse heat is obtained through calculation of archive storehouse temperature, density and air specific heat data:
in the formula (4) of the present invention,
is the heat of the archive warehouse, C is the specific heat capacity, < ->
For the air density in the archive storehouse, +.>
Is the temperature difference; />
The temperature difference of water inlet and outlet temperatures is the temperature difference of water inlet and outlet temperatures per hour;
the formula (4) shows that the heat quantity of the archive storehouse can be calculated by the relation among the air specific heat capacity and density of the archive storehouse, the time interval and the volume of the archive storehouse, and the heat quantity of the archive storehouse is in direct proportion to the air specific heat capacity and density of the archive storehouse, the time interval and the volume of the archive storehouse;
according to the law of conservation of energy, the relation among the heat dissipated in 24 hours in the archive space, the total heat generated by the refrigerating and heating unit and the archive heat is as follows:
the formula (5) shows that the heat dissipated in the archive space within 24 hours, the total heat generated by the refrigerating and heating unit and the archive heat conform to the law of conservation of energy;
and 4, determining the temperature of the heat source node by the previous temperature, controlling the non-heat source node by the starting temperature and the heat source node, and obtaining a heat source node expression according to the Fourier law, wherein the heat source node expression is as follows:
in the formula (6) of the present invention,
heat of heat source node->
Temperature of heat source node，/>
For the previous moment heat source node temperature, deltav represents the volume of space;
the heat source node can be calculated according to the relation among the temperature difference of the heat source node, the space volume and the heat conductivity coefficient of the file part in the archive through the formula (6), meanwhile, other nodes can also be calculated according to the method, and a node control model is built through the heat source node so as to control the refrigeration or heating of the refrigeration and heating unit.
As a further technical scheme of the invention, the humidifying unit comprises a signal receiving device, a water adding device and an atomizing device, wherein the signal receiving device is connected with the water adding device, the water adding device is connected with the atomizing device, and when the signal receiving device receives a water shortage signal, the water adding device adds water into a water storage cavity in the humidifying unit, and the atomizing device generates a target humidifying amount.
As a further technical scheme of the invention, the energy storage capacitor is directly connected with the direct current bus through the capacitor to absorb energy so as to achieve the purpose of energy saving of the temperature and humidity regulation system of the archive warehouse, and the working method of the energy storage capacitor is as follows: the capacitor stores electric energy through polarized electrolyte, the electric energy is stored between the electrode and electrolyte ions, when the electrode is charged, the electrode surface with the charge in an idealized electrode state attracts opposite ions in surrounding electrolyte solution, the opposite ions in the electrolyte solution attach to the electrode surface to form an electric double layer, the capacitor realizes the increase of the area for storing the electric charge through the electric double layer, the isolated electric charge distance is small, the capacitance of the energy storage capacitor reaches tens of thousands of methods, the advantages of high specific energy of the energy storage element and high specific power of the capacitor are taken into account, and the energy-saving requirement of a archival warehouse temperature and humidity regulation system is met.
Has the positive beneficial effects that:
the temperature and humidity control system can collect temperature parameters and humidity parameters, can quickly adjust the temperature and humidity of the internal environment of the archive storehouse, and is environment-friendly and energy-saving, and the energy-saving module can realize the energy-saving function of the archive storehouse temperature and humidity control system, and is high in power density, high in reliability and environment-friendly and energy-saving due to the fact that the temperature control module and the humidity control module are automatically adjusted by the frequency converter energy storage capacitor and always kept in the most economical running state.
When the temperature regulation and control is realized, the refrigerating or heating function is realized through the refrigerating and heating unit and the regulating and controlling unit, the temperature parameter of the archive storehouse is controlled and regulated to reach the temperature of the set storage archive, the effect of refrigerating or heating of the semiconductor refrigerator is realized through the method of switching the current of the semiconductor refrigerator in the forward direction and the reverse direction, and the refrigerating and heating capacity and efficiency are improved.
When the refrigerating or heating of the refrigerating and heating unit is controlled, the temperature parameters of the archive storeroom of the regulating unit can be regulated to reach the temperature of the set storage archive, and the node control model is set through the heat source node control and the non-heat source node control, so that the heat source node is obtained, and the proper temperature is controlled.
When realizing regulation and control archives storehouse internal environment humidity, can be through the lack of water signal that regulation and control unit and humidification unit sent to according to the humidity of target humidity parameter increase archives, control humidification unit no longer increases archives humidity simultaneously, improve humidification efficiency.
According to the target humidification amount calculation device, the calculation device records the time corresponding to the current water adding operation and the last water adding operation of the water adding device, the time interval between two adjacent water adding operations is determined, the required target humidification amount is calculated according to the water adding time length of the water adding device and the water adding interval between two adjacent water adding operations, the operation of the humidification device is controlled according to the target humidification amount, the atomization device generates the target humidification amount, the regulation and control unit sets the water level information in the water storage cavity, when the water level information is lower than the set threshold value, a water shortage signal is generated, and the regulation and control unit is effectively used for controlling the humidification unit.
According to the invention, the capacitance of the energy storage capacitor can be up to tens of thousands of methods, the advantages of high specific energy of the energy storage element and high specific power of the capacitor are taken into account, and the energy-saving requirement of the temperature and humidity regulation system of the archive warehouse is met.
Drawings
For a clearer description of an embodiment of the invention or of a technical solution in the prior art, the drawings that are necessary for the description of the embodiment or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, from which, without inventive faculty, other drawings are obtained for a person skilled in the art, in which:
FIG. 1 is a schematic diagram of an overall architecture of an energy-saving temperature and humidity regulation system for archives according to the present invention;
FIG. 2 is a schematic diagram of a temperature control module in an energy-saving temperature and humidity control system of an archive of the present invention;
FIG. 3 is a flowchart of the operation of a control unit in an energy-saving temperature and humidity control system of an archive of the present invention;
FIG. 4 is a schematic diagram illustrating the operation of an energy storage capacitor in an energy-saving temperature and humidity control system for an archive of the present invention;
FIG. 5 is a flowchart of a dehumidification unit operation of an energy-saving temperature and humidity control system for an archive in accordance with the present invention;
FIG. 6 is a schematic diagram of a humidity control module in an energy-saving temperature and humidity control system for an archive of the present invention;
fig. 7 is a schematic diagram of a sensor in an energy-saving temperature and humidity regulation system of an archive of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in fig. 1-7, an energy-saving temperature and humidity regulation system for an archive warehouse comprises a temperature sensing module and a humidity sensing module,
the temperature sensing module is used for detecting the temperature of the archive warehouse and obtaining temperature parameters;
the humidity sensing module is used for detecting the humidity of the archive storehouse and obtaining humidity parameters;
the system also comprises a temperature regulation module, a humidity regulation module and an energy-saving module;
the temperature regulation and control module is used for regulating the internal environment temperature of the archive storehouse, the temperature regulation and control module comprises a refrigerating and heating unit and a regulation and control unit, the refrigerating and heating unit adopts a semiconductor refrigerating or heating device to realize the refrigerating or heating function, the regulation and control unit is used for controlling the refrigerating or heating degree of the refrigerating and heating unit, the input end of the regulation and control unit is connected with the output end of the refrigerating and heating unit, the regulation and control unit is provided with a node controller, the node controller comprises a heat source node control and a non-heat source node control, and the node control model achieves the temperature of the set storage archive by regulating the temperature parameter of the archive storehouse;
the humidity control module comprises a water adding module, an atomization module, a metering module, a diagnosis module, a visual display module, a conversion module and a main control module, wherein the main control module is respectively connected with the metering module and the conversion module;
the energy-saving module is used for reducing energy-saving consumption of the humidity regulation module and the temperature regulation module, the energy-saving module is used for automatically regulating the temperature regulation module and the humidity regulation module to be always kept in the most economical running state by adopting a frequency converter based on pulse width modulation, the frequency converter comprises a rectifying unit, an energy storage capacitor and a motor, the output end of the rectifying unit is connected with the input end of the energy storage capacitor, and the output end of the energy storage capacitor is connected with the input end of the motor. The output end of the temperature sensing module is connected with the input end of the temperature regulation module, the output end of the humidity sensor module is connected with the input end of the humidity regulation module, and the output end of the energy-saving module is respectively connected with the input ends of the humidity regulation module and the temperature regulation module.
In a specific embodiment, the water adding module is used as a constant heating data module, so that constant humidity transmission of the humidity sensor module can be realized, and water data information is continuously input to ensure a water source for maintaining humidity. For example, the air water taking module has the function of automatically detecting by a microcomputer, can automatically collect free water vapor in the air, and can be used for supplementing sterile water into a module water tank after the collected water vapor is sterilized at high temperature, so that water taking can be automatically stopped after the water tank is full. An automatic water supply system is arranged in the module, which can supply the sterile water in the water tank to the CH-5 constant humidity module for use, so as to achieve the function of automatic water replenishment when the CH-5 constant humidity module lacks water.
In a specific embodiment, the atomizing module is capable of evaporating added moisture by atomization to increase air humidity. In a specific embodiment, ultrasonic atomization is to disperse liquid or colloid into micron-sized particles by ultrasonic energy, and the method is characterized in that the initial speed of spraying fog particles is small, and the size of the dispersed fog particles is uniform.
The metering module is used for calculating data information such as humidity in air, in a specific embodiment, the ADE793 chip circuit is used for metering the data information in the air, and in a specific application process, the A/D conversion module can be additionally arranged for converting analog information in the circuit into digital information so as to improve the conversion efficiency of metering information.
The diagnosis module is used for diagnosing the humidity data information in the archive, and in a specific embodiment, the humidity data information in the archive can be compared and analyzed with a set threshold in a template matching mode.
In other embodiments, a variable modal decomposition (Variational Mode Decomposition VMD) algorithm is also adopted, and the algorithm is used for performing iterative transformation on continuously-changed signal data to realize the decomposition of fusion data.
Analyzing the modal data in the archive warehouse by utilizing a transformation principle in the VMD algorithm to finish the fusion of the original data and the modal data, wherein the analysis function is shown in a formula (1):
in the formula (1), the components are as follows,
representing a humidity data information modal data analysis function in an archive warehouse, B (T) representing a data information variable generated in a humidity regulation process, J representing a humidity data information analysis error rate, and +.>
The analysis and fusion time of the humidity data information is shown, and U (T) shows the voltage parameter and the +_f in the 24-hour conversion process of the humidity data information of the archive warehouse>
Representing the change factors of the whole archive storehouse state at different temperatures of the archive storehouse for 24 hours; />
Representing the dynamic transformation function value of the storehouse data information;
the analysis process of the archive storehouse operation mode data has a certain change interval, so that the analysis process is required to be restrained, and the restraint condition is shown in a formula (2):
in the formula (2), the amino acid sequence of the compound,
a system constraint factor representing a modal resolution process.
Because the analyzed archival repository operation data is required to be arranged and edited, the analysis constraint condition of the archival repository operation data has certain limitation, the constraint analysis process is converted into a non-constraint problem, as shown in a formula (3):
in the formula (3), the amino acid sequence of the compound,
representing unconstrained analytic functions, ++>
Representing conditional transformation criteria, ++>
Representing the secondary conversion factor,/->
And the original data function of the whole data information of the archive warehouse in the 24-hour operation and maintenance process is represented.
The unconstrained modal data after conversion is arranged, data arrangement in an archive warehouse is achieved according to a Hilbert special parameter conversion theory, and a statistical function is shown as a formula (4):
in the formula (4), R represents a voltage change function in the file warehouse after statistical arrangement,
indicating the variation of the voltage parameter in the archive warehouse.
And (3) carrying out smoothing on waveforms in the archive warehouse with disturbance through a disturbance smoothing principle of wiener filtering, wherein the disturbance frequency change function is expressed as a formula (5):
in the formula (5), the amino acid sequence of the compound,
representing the disturbance waveform smooth function, ++>
Representing wiener filter complex coefficients, +.>
The overall voltage change of the archive warehouse in the waveform parallel state is represented.
The visual display module is used for displaying the data information of the archive warehouse through the liquid crystal display screen.
The conversion module adopts analog-digital data information conversion, so that the archive storehouse data information can be identified by a chip or a singlechip, and further the calculation and conversion of the archive storehouse data information are improved, so that the data information calculation capability is improved. In particular embodiments, filters may also be added to provide data filtering computing power.
As shown in fig. 7, in the case of the STC89C52 serial single-chip microcomputer, the reset circuit and the crystal oscillator circuit. The crystal oscillator circuit generally consists of one crystal oscillator, two capacitors C and XTAL1, XTAL2 pins. The reset circuit is typically reset through the RST end of the pin. After the STC89C52 microcontroller started for 0.1s, the voltage across capacitor C was continuously charged to 5V. When the voltage across the R1 resistor is near 0V, RST is at a low level, the system works normally. When the button is pressed, the switch is turned on, at this time, a circuit is formed at both ends of the capacitor, and the capacitor is short-circuited. Thus, during the push of the button, the capacitor begins to discharge the previously charged power. Over time, the voltage of the capacitor is released from 5V to 1.5V in 0.1 seconds, or even less. The voltage is the sum of all components according to the series circuit. In this way the sensor operating capability is controlled.
Through the embodiment, the temperature parameters and the humidity parameters can be acquired, the temperature and the humidity of the internal environment of the archive storehouse can be quickly regulated, the energy-saving module adopts the frequency converter to automatically regulate the temperature control module and the moderate control module to be always kept in the most economical running state based on pulse width modulation, the energy-saving function of the archive storehouse temperature and humidity regulation system can be realized, and the archive storehouse temperature and humidity regulation system has high power density, high reliability, environmental protection and energy saving.
Through the embodiment, when the temperature regulation and control is realized, the refrigerating or heating function is realized through the refrigerating and heating unit and the regulating and controlling unit, and the temperature parameter of the archive storehouse is controlled and regulated to reach the temperature of the set storage archive, wherein the semiconductor refrigerator has the refrigerating or heating effect through the method of switching the current of the semiconductor refrigerator in the forward direction and the reverse direction, and the refrigerating and heating capacity and efficiency are improved.
In a specific embodiment, the regulating and controlling unit is used for setting a target humidification amount calculating device, determining the time interval between two adjacent water adding operations by recording the corresponding time of the current water adding operation and the last water adding operation of the water adding device, calculating the required target humidification amount according to the water adding time length of the water adding device and the water adding interval of the adjacent water adding operation, controlling the water adding amount output by the water adding device according to the target humidification amount by the regulating and controlling unit, realizing the generation of the target humidification amount by the atomizing device, setting a water level sensor by the regulating and controlling unit, acquiring water level information in the water storage cavity, and generating a water shortage signal when the water level information is lower than a set threshold value.
In a specific embodiment, the energy storage capacitor is directly connected with the direct current bus through the capacitor to absorb energy so as to achieve the purpose of energy conservation of the temperature and humidity regulation system of the archive warehouse, and the working method of the energy storage capacitor is as follows: the capacitor stores electric energy through polarized electrolyte, the electric energy is stored between the electrode and electrolyte ions, when the electrode is charged, the electrode surface with the charge in an idealized electrode state attracts opposite ions in surrounding electrolyte solution, the opposite ions in the electrolyte solution attach to the electrode surface to form an electric double layer, the capacitor realizes the increase of the area for storing the electric charge through the electric double layer, the isolated electric charge distance is small, the capacitance of the energy storage capacitor reaches tens of thousands of methods, the advantages of high specific energy of the energy storage element and high specific power of the capacitor are taken into account, and the energy-saving requirement of a archival warehouse temperature and humidity regulation system is met.
In the invention, the refrigerating or heating method of the refrigerating and heating unit controlled by the regulating unit comprises the following steps:
in the formula (6) of the present invention,
is the thickness parameter of the files in the archive, +.>
The heat conductivity coefficient of a file part in the archive, the heat conductivity coefficient of the archive, the average heat dissipation coefficient and the area of a theme part of the external wall of the archive are respectively H, K and F, and +.>
Output weight value for indicating the whole state in the process of detecting the temperature of the archive>
Error function representing weight adjustment of data output layer in detection process of archive>
、/>
Weight coefficient and external environment influence coefficient for representing temperature and humidity detection of archive>
Representing the thermal convection coefficient;
the heat transfer coefficient of the archive is expressed by a formula (1) and can be calculated and expressed by the relation between the thickness of the archive in the archive and part of the heat transfer coefficient in the archive;
the heat dissipation function of the archive space in 24 hours within 24 hours is:
in equation (7), QT is the amount of heat dissipated over a period of time,
、/>
is the lower limit temperature and the upper limit temperature, +.>
For the volume of the archive space, dt is the time derivative of the difference between the lower limit temperature and the upper limit temperatureU is the heat transfer coefficient of the window, A is the glass area; />
Vector representing degree of abnormality of each node after fault spread, < ->
Representing a fault diffusion coefficient;
calculating the relation among the time, the volume of the archive space and the time to obtain the heat dissipated in 24 hours in the archive space by using the formula (2), wherein the heat dissipated in 24 hours in the archive space is in direct proportion to the time, the volume of the archive space and the time;
in the formula (8) of the present invention,
for the total heat generated by the refrigerating and heating unit, < >>
For the total amount of water in and out->
The temperatures of water inlet and outlet are respectively;
the total heat generated by the refrigerating and heating unit is calculated by the relation of the total amount of water inlet and outlet, the temperature of the water inlet and outlet and the time interval, the total heat generated by the refrigerating and heating unit is in direct proportion to the total amount of water inlet and outlet, the temperature difference and the time interval, and the water inlet and outlet flow rate of each hour is shown in the table 1:
table 1 per hour inlet and outlet water flow rate
In the above embodiment, the refrigerating and heating unit adopts the electromagnetic valve to control the water inflow switch, the induction device judges the water inflow according to the total heat generated by the refrigerating and heating unit, when the water inflow reaches the preset water amount, the electromagnetic valve is powered off to close the valve, the regulation and control unit optimizes the energy utilization and the temperature distribution, namely dynamically selects the optimal water inflow and outflow and proper temperature parameters to meet the requirement of the temperature of the archive warehouse, thereby achieving the purpose of saving energy and meeting the requirement of sustainable development.
Step 3, the heat dissipation of the file warehouse is related to the volume of the file warehouse and the indoor air flow, and the file is passed
And calculating the temperature, density and specific heat of air of the warehouse to obtain the heat of the archive warehouse:
in the formula (9) of the present invention,
is the heat of the archive warehouse, C is the specific heat capacity, < ->
For the air density in the archive storehouse, +.>
Is the temperature difference; />
The temperature difference of water inlet and outlet temperatures is the temperature difference of water inlet and outlet temperatures per hour;
the formula (4) shows that the heat quantity of the archive storehouse can be calculated by the relation among the air specific heat capacity and density of the archive storehouse, the time interval and the volume of the archive storehouse, and the heat quantity of the archive storehouse is in direct proportion to the air specific heat capacity and density of the archive storehouse, the time interval and the volume of the archive storehouse;
according to the law of conservation of energy, the relation among the heat dissipated in 24 hours in the archive space, the total heat generated by the refrigerating and heating unit and the archive heat is as follows:
the formula (10) shows that the heat dissipated in the archive space within 24 hours, the total heat generated by the refrigerating and heating unit and the archive heat conform to the law of conservation of energy;
and 4, determining the temperature of the heat source node by the previous temperature, controlling the non-heat source node by the starting temperature and the heat source node, and obtaining a heat source node expression according to the Fourier law, wherein the heat source node expression is as follows:
in the formula (11) of the present invention,
heat of heat source node->
Temperature of heat source node->
For the previous moment heat source node temperature, deltav represents the volume of space;
the heat source node can be calculated according to the relation among the temperature difference of the heat source node, the space volume and the heat conductivity coefficient of the file part in the archive through the formula (11), meanwhile, other nodes can also be calculated according to the method, and a node control model is built through the heat source node so as to control the refrigeration or heating of the refrigeration and heating unit.
A refrigerating or heating method for controlling a refrigerating and heating unit by using a regulating unit in the embodiment comprises the steps of adding 0.1 to the total amount of water inlet and water outlet
The Jacobian iterative algorithm is sequentially utilized at equal intervals, and the Jacobian iterative algorithm formula is as follows:
in formula (7), A is a non-singular large-scale sparse matrix
Is a generalized inverse matrix called A, +.>
And b is the thermal conductivity of the file part for interval.
As a further example of the present invention, regarding the average air temperature in the archive warehouse and the total amount of water inlet and outlet corresponding thereto, it can be seen from table 2 that the average air temperature corresponding to the total amount of water inlet and outlet corresponds to:
TABLE 2 average temperature for total amount of water fed and discharged
Through the embodiment, the regulation and control unit controls the parameters of the refrigerating and heating unit in the room and optimizes the energy utilization and temperature parameters of the refrigerating and heating unit when the total amount of water inlet and outlet is 1.0
When the average temperature in the archive storehouse is up to 22.42 ℃, the water inlet and outlet amount is 0.1 +>
When the temperature in the archival repository reaches 18.21 ℃ at the lowest, the experiment result regulating and controlling unit can regulate and control the refrigerating and heating unit so as to further control the archival repository temperature to be stabilized in a certain range, so that the archival repository can be well protected from being stored, the average air temperature and the water inlet and outlet flow rate of the archival repository are positively correlated, and the total inlet and outlet amount is 0.2%>
To 0.3->
The average temperature in the archival repository increases to the maximum extent, and then the total amount of water inlet and outlet increases by 0.1%>
The temperature is gradually reduced, so that the influence on the temperature is not obvious due to the fact that the total amount of water inlet and outlet is continuously increased under the condition that the normal temperature in the archive warehouse is met, and the regulation and control unit is energy-saving and environment-friendly.
In a specific embodiment, the humidifying unit comprises a receiving signal device, a water adding device and an atomizing device, wherein the receiving signal device is connected with the water adding device, the water adding device is connected with the atomizing device, and when the receiving signal device receives a water shortage signal, the water adding device adds water into a water storage cavity in the humidifying unit, and the atomizing device generates a target humidifying amount.
According to the invention, the motor is increased in speed by changing the input frequency of the motor based on a frequency conversion method, when the magnetic flux is insufficient, the input frequency of the motor is converted to adjust the speed, the current is reduced, the motor torque is reduced, the motor is driven by frequency conversion to generate electromagnetic noise vibration higher than 1000Hz and generate a rotating speed higher than 600 rpm, the motor is used for improving the working efficiency so as to achieve the purpose of energy conservation, the motor is provided with a heat dissipation device, the heat dissipation device adopts a fan with ultra-silence, long service life and strong wind, and the heat dissipation device is used for ensuring that the motor can realize rapid and effective heat dissipation at high speed, and the motor can realize rapid operation at high speed.
In a specific embodiment, the regulating and controlling unit is used for setting a target humidification amount calculating device, determining the time interval between two adjacent water adding operations by recording the corresponding time of the current water adding operation and the last water adding operation of the water adding device, calculating the required target humidification amount according to the water adding time length of the water adding device and the water adding interval of the adjacent water adding operation, controlling the water adding amount output by the water adding device according to the target humidification amount by the regulating and controlling unit, realizing the generation of the target humidification amount by the atomizing device, setting a water level sensor by the regulating and controlling unit, acquiring water level information in the water storage cavity, and generating a water shortage signal when the water level information is lower than a set threshold value.
While specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are by way of example only, and that various omissions, substitutions, and changes in the form and details of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the invention. For example, it is within the scope of the present invention to combine the above-described method steps to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the invention is limited only by the following claims.
Claims (8)
1. An energy-saving temperature and humidity regulation system of an archive warehouse, which comprises a temperature sensing module and a humidity sensing module,
the temperature sensing module is used for detecting the temperature of the archive warehouse and obtaining temperature parameters;
the humidity sensing module is used for detecting the humidity of the archive storehouse and obtaining humidity parameters;
the method is characterized in that: the system also comprises a temperature regulation module, a humidity regulation module and an energy-saving module;
the temperature regulation and control module is used for regulating the internal environment temperature of the archive storehouse, the temperature regulation and control module comprises a refrigerating and heating unit and a regulation and control unit, the refrigerating and heating unit adopts a semiconductor refrigerating or heating device to realize the refrigerating or heating function, the regulation and control unit is used for controlling the refrigerating or heating degree of the refrigerating and heating unit, the input end of the regulation and control unit is connected with the output end of the refrigerating and heating unit, the regulation and control unit is provided with a node controller, the node controller realizes node control through heat source node control and non-heat source node control, and the node controller is used for regulating the temperature parameter of the archive storehouse to reach the temperature of the set storage archive;
the humidity control module comprises a water adding module, an atomization module, a metering module, a diagnosis module, a visual display module, a conversion module and a main control module, wherein the main control module is respectively connected with the metering module and the conversion module;
the energy-saving module is used for reducing energy-saving consumption of the humidity regulation module and the temperature regulation module, the energy-saving module adopts a frequency converter to automatically regulate the temperature regulation module and the humidity regulation module to always keep in the most economical running state, the frequency converter comprises a rectifying unit, an energy storage capacitor and a motor, the output end of the rectifying unit is connected with the input end of the energy storage capacitor, and the output end of the energy storage capacitor is connected with the input end of the motor;
the output end of the temperature sensing module is connected with the input end of the temperature regulation module, the output end of the humidity sensing module is connected with the input end of the humidity regulation module, and the output end of the energy-saving module is respectively connected with the input ends of the humidity regulation module and the temperature regulation module.
2. The archival repository energy conservation temperature and humidity control system according to claim 1, wherein: the refrigerating and heating unit realizes the refrigerating and heating effect on the archive warehouse through the semiconductor refrigerator, and the working method of the refrigerating and heating unit is as follows: the semiconductor refrigerator realizes the effect of refrigeration or heating by adopting a method of switching current forward and reverse directions, the semiconductor refrigerator comprises a semiconductor refrigerating sheet, a heat conductor and a heat radiating device, wherein the semiconductor refrigerating sheet is arranged at one end close to a file as a temperature adjusting working end and used for adjusting temperature, one end far away from the file is a heat radiating end and used for radiating redundant heat, the heat conductor is connected with the temperature adjusting working section and is provided with a pipeline for conducting heat and outputs heat through heat conducting liquid in the pipeline, the heat radiating device comprises a water inlet, a water channel and a water outlet, the heat radiating device is attached to the surface of the semiconductor refrigerator through a high heat conducting material, the semiconductor refrigerator conducts heat to the heat radiating device, water in a water inlet of the heat radiating device carries heat to drop through the water channel, water in the water channel returns to the water inlet through the water outlet, and circulation cooling of the water is completed.
3. The archival repository energy conservation temperature and humidity control system according to claim 1, wherein: the refrigerating or heating method for controlling the refrigerating and heating unit by the regulating and controlling unit comprises the following steps:
step 1, solving heat dissipated by a archive warehouse according to a heat transfer coefficient in the archive warehouse, wherein a heat transfer function formula of the archive warehouse is as follows:
in the case of the formula (1),
is the thickness parameter of the files in the archive, +.>
The heat conductivity coefficient of a file part in the archive, the heat conductivity coefficient of the archive, the average heat dissipation coefficient and the area of a theme part of the external wall of the archive are respectively H, K and F, and +.>
Output weight value for indicating the whole state in the process of detecting the temperature of the archive>
Error function representing weight adjustment of data output layer in detection process of archive>
、/>
Weight coefficient and external environment influence coefficient for representing temperature and humidity detection of archive>
Representing the thermal convection coefficient;
the heat transfer coefficient of the archive is expressed by a formula (1) and can be calculated and expressed by the relation between the thickness of the archive in the archive and part of the heat transfer coefficient in the archive;
the heat dissipation function of the archive space in 24 hours within 24 hours is:
in equation (2), QT is a function of the heat dissipated,
、/>
is the lower limit temperature and the upper limit temperature, +.>
For the space volume of the archive, dt is the difference between the lower limit temperature and the upper limit temperature, and is derived from time, U is the heat transfer coefficient of the window, and A is the glass area; />
Vector representing degree of abnormality of each node after fault spread, < ->
Representing a fault diffusion coefficient;
calculating the relation among the time, the volume of the archive space and the time to obtain the heat dissipated in 24 hours in the archive space by using the formula (2), wherein the heat dissipated in 24 hours in the archive space is in direct proportion to the time, the volume of the archive space and the time;
step 2, the heat of the archive is mainly from heating and refrigerating of the refrigerating and heating unit, the refrigerating and heating unit emits heat to the archive, the emitted heat is represented by the temperature of hot water, and the total heat generated by the refrigerating and heating unit is obtained by calculating the total amount of water according to the temperature and water flow of water inlet and outlet:
in the formula (3) of the present invention,
for the total heat generated by the refrigerating and heating unit, < >>
For the total amount of water in and out->
The temperatures of water inlet and outlet are respectively;
the total heat generated by the refrigerating and heating unit is calculated according to the relation of the total amount of water inlet and outlet, the temperature of the water inlet and outlet and the time interval, and the total heat generated by the refrigerating and heating unit is in direct proportion to the total amount of water inlet and outlet, the temperature difference and the time interval;
step 3, heat dissipation of the archive storehouse is related to the volume of the archive storehouse and indoor air flow, and archive storehouse heat is obtained through calculation of archive storehouse temperature, density and air specific heat data:
in the formula (4) of the present invention,
is the heat of the archive warehouse, C is the specific heat capacity, < ->
For the air density in the archive storehouse, +.>
Is the temperature difference; />
The temperature difference of water inlet and outlet temperatures is the temperature difference of water inlet and outlet temperatures per hour;
the formula (4) shows that the heat quantity of the archive storehouse can be calculated by the relation among the air specific heat capacity and density of the archive storehouse, the time interval and the volume of the archive storehouse, and the heat quantity of the archive storehouse is in direct proportion to the air specific heat capacity and density of the archive storehouse, the time interval and the volume of the archive storehouse;
according to the law of conservation of energy, the relation among the heat dissipated in 24 hours in the archive space, the total heat generated by the refrigerating and heating unit and the archive heat is as follows:
the formula (5) shows that the heat dissipated in the archive space within 24 hours, the total heat generated by the refrigerating and heating unit and the archive heat conform to the law of conservation of energy;
and 4, determining the temperature of the heat source node by the previous temperature, controlling the non-heat source node by the starting temperature and the heat source node, and obtaining a heat source node expression according to the Fourier law, wherein the heat source node expression is as follows:
in the formula (6) of the present invention,
heat of heat source node->
Temperature of heat source node->
For the previous moment heat source node temperature, deltav represents the volume of space;
the heat source node can be calculated according to the relation among the temperature difference of the heat source node, the space volume and the heat conductivity coefficient of the file part in the archive through the formula (6), meanwhile, other nodes can also be calculated according to the method, and a node control model is built through the heat source node so as to control the refrigeration or heating of the refrigeration and heating unit.
4. The archival repository energy saving temperature and humidity control system according to claim 1, wherein the humidifying unit comprises the working steps of: after the receiving signal device receives the water shortage signal, the water adding device adds water into the water storage cavity in the humidifying unit, and the atomizing device atomizes the water according to the target humidifying amount to increase the humidity in the archive warehouse.
5. The archive warehouse energy-saving temperature and humidity regulation system according to claim 1, wherein the regulation unit realizes the method for controlling the humidifying unit by:
the regulation and control unit is used for determining the time interval of two adjacent water adding operations by recording the corresponding time of the current water adding operation and the last water adding operation of the water adding device, calculating the required target humidification amount according to the water adding time length of the water adding device and the water adding interval of the adjacent water adding operation, controlling the water adding amount output by the water adding device according to the target humidification amount by the regulation and control unit, realizing that the atomization device generates the target humidification amount, setting a water level sensor by the regulation and control unit, acquiring water level information in the water storage cavity, and generating a water shortage signal when the water level information is lower than a set threshold value.
6. The archival repository energy conservation temperature and humidity control system according to claim 1, wherein:
the working method of the rectifying unit comprises the following steps: the rectifying unit comprises a converter, a controller and a program module, wherein the converter is used for replacing a non-control and phase control device of a conventional rectifying unit, the controller is used for obtaining sine wave input current and unit power factor, the program module comprises two functions of a main program and an interrupt program, and the program module is used for protecting current and controlling a circuit.
7. The archive storehouse energy saving temperature and humidity control system according to claim 1, wherein,
the working method of the energy storage capacitor comprises the following steps: the capacitor stores electric energy through polarized electrolyte, the electric energy is stored between the electrode and electrolyte ions, when the electrode is charged, the electrode surface with the charge in an idealized electrode state attracts opposite ions in surrounding electrolyte solution, the opposite ions in the electrolyte solution attach to the electrode surface to form an electric double layer, the capacitor realizes the increase of the area for storing the electric charge through the electric double layer, the isolated electric charge distance is small, the capacitance of the energy storage capacitor reaches tens of thousands of methods, the advantages of high specific energy of the energy storage element and high specific power of the capacitor are taken into account, and the energy-saving requirement of a archival warehouse temperature and humidity regulation system is met.
8. The archival repository energy conservation temperature and humidity control system according to claim 1, wherein:
the motor increases the speed by changing the input frequency of the motor based on a frequency conversion method, when the magnetic flux is insufficient, the input frequency of the motor is converted to adjust the speed, the current is reduced, the motor torque is reduced, and the motor frequency conversion drive generates electromagnetic noise vibration higher than 1000Hz and generates a rotating speed higher than 600 rpm.
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