Invention content
The technical problems to be solved by the invention are the defects of overcoming the above-mentioned prior art, provide a kind of building doors and windows sunshade
Device for detecting performance and its control method by controlling stage by stage the heater of batch meter, are ensuring detection device
Detection time is effectively reduced while detection data accuracy, improves detection efficiency.
For this purpose, the present invention adopts the following technical scheme that:A kind of building doors and windows shading performance detection device, including installing people
Light-source box, external environment case, the light of work light source import window, the first heating refrigeration system, fan, interior environmental cabinet, third heating refrigeration
System, secondary heater, third temperature sensor, heat exchanger, the 4th temperature sensor, the refrigeration water tank equipped with water pump, peace
Mounted in the flow sensor of heat exchanger water inlet, batch meter, the first temperature sensor, second temperature sensor, control device
And data acquisition processing system, the control device include the first control module, first detection module, the first judgment module, the
Two control modules, third control module, the second detection module, computing module, determining module and the 4th control module;
First control module is used to control refrigeration water tank with first default the first preset time of water temperature refrigerating operaton, and in institute
State log-on data acquisition processing system after the first preset time of refrigeration water tank continuous operation;
The first detection module detects the air themperature in batch meter in real time;
Whether the air themperature that first judgment module is used to judge in batch meter is in the first preset temperature section;
Second control module is used for the water pump according to the air themperature in batch meter and the first preset temperature range restraint
Or the operation of secondary heater makes the air themperature in batch meter be in the first preset temperature section;
The third control module is for controlling the artificial light source, the first heating refrigeration system, the fan, described the
Three heating refrigeration systems, the water pump, the refrigeration water tank, the secondary heater, the control device and the data are adopted
Collect processing system the second preset time of continuous operation;
The air themperature in batch meter when second detection module is used to just start the artificial light source is denoted as A1, by institute
It states air themperature in the batch meter after the second preset time of artificial light source continuous operation and is denoted as A2, the secondary heater is continuous
The average heating power for running the second preset time is denoted as I;
The computing module is used for according to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time, the
The average heating power I of two heaters is calculated into batch meter and is obtained heat;
The determining module is used for according to the preset correspondence obtained between heat and default water temperature and default water flow section
The corresponding default water temperature of heat and default water flow section are obtained described in determining;
4th control module is used to that the secondary heater to be controlled to close and control the refrigeration water tank to obtain heat with described
Corresponding default water temperature operation, and the water pump is controlled in default water flow area according to the air themperature and preset temperature of batch meter
Interior run makes the air themperature of batch meter be in default batch meter temperature range.
Further, second control module specifically includes:
If the air themperature in batch meter is more than the upper limit in the first preset temperature section, water pump opening and secondary heater are controlled
It closes;
If the air themperature in batch meter is less than the lower limit in the first preset temperature section, secondary heater opening and water pump are controlled
It closes;
If the air themperature in batch meter is in the first preset temperature section, secondary heater and water pump is controlled not to open.
Further, the computing module specifically includes:
According to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time, secondary heater average plus
Thermal power I and preset heat Calculation formula calculate into batch meter heat.
Further, it is described that heat Calculation formula is:
Q-, which enters in batch meter, obtains heat;
The refrigeration work consumption of Q1- heat exchangers;
The average heating power of I- secondary heaters;
The specific heat capacity of c- air;
The quality of air in the preset batch meters of m-;
The second preset times of T-.
The present invention also adopts the following technical scheme that:A kind of control method of building doors and windows shading performance detection device,
Include the following steps:
S1, control refrigeration water tank are with first default the first preset time of water temperature refrigerating operaton, in the refrigeration water tank continuous operation
Log-on data acquisition processing system after first preset time detects the air themperature in batch meter in real time;
S2, judge whether the air themperature in batch meter is in the first preset temperature section, if it is not, S3 is then entered step, if so,
Then enter step S4;
S3, according to the air themperature in batch meter and the first preset temperature range restraint water pump or secondary heater operation
The air themperature in batch meter is made to be in the first preset temperature section;
S4, start artificial light source, the first heating refrigeration system, fan, third heating refrigeration system, water pump, refrigeration water tank, second
Heater, control device and data acquisition processing system, wherein, refrigeration water tank with the first default water temperature refrigerating operaton, water pump with
First default water flow operation;
S5, the control artificial light source, the first heating refrigeration system, the fan, third heating refrigeration system, institute
State water pump, the refrigeration water tank, the secondary heater, the control device and the data acquisition processing system continuous operation
Second preset time, and the air themperature in the batch meter when artificial light source is just started is denoted as A1, by the artificial light
Air themperature is denoted as A2 in batch meter after the second preset time of source continuous operation, by the secondary heater continuous operation second
The average heating power of preset time is denoted as I;
S6, according to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time, secondary heater it is flat
Equal heating power I, which is calculated into batch meter, obtains heat;
S7, heat is obtained according to determining the preset correspondence obtained between heat and default water temperature and default water flow section
Corresponding default water temperature and default water flow section;
S8, the control secondary heater are closed, and control the refrigeration water tank with described that the corresponding default water temperature of heat is run;
S9, the water pump is controlled according to the air themperature of batch meter and preset temperature in the corresponding default water flow of described heat
Operation makes the air themperature of batch meter be in default batch meter temperature range in section.
Further, water pump described in the air themperature according in batch meter and the first preset temperature range restraint or the
It the step of operation of two heaters makes the air themperature in batch meter be in the first preset temperature section, specifically includes:
If the air themperature in batch meter is more than the upper limit in the first preset temperature section, water pump opening and secondary heater are controlled
It closes;
If the air themperature in batch meter is less than the lower limit in the first preset temperature section, secondary heater opening and water pump are controlled
It closes;
If the air themperature in batch meter is in the first preset temperature section, secondary heater and water pump is controlled not to open.
Further, it is described according to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time,
The average heating power I of secondary heater is calculated into batch meter and the step of obtaining heat, is specifically included:
According to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time, secondary heater average plus
Thermal power I and the preset heat Calculation formula that obtains calculate the heat that obtains for entering batch meter, described that heat Calculation formula is:
Q-, which enters in batch meter, obtains heat;
The refrigeration work consumption of Q1- heat exchangers;
The average heating power of I- secondary heaters;
The specific heat capacity of c- air;
The quality of air in the preset batch meters of m-;
The second preset times of T-.
Further, the air themperature according to batch meter controls the water pump to obtain heat pair described with preset temperature
It is the step of operation makes the air themperature of batch meter be in default batch meter temperature range in the default water flow section answered, specific to wrap
It includes:
Control the water pump and first run with default water flow, by the air themperature in batch meter respectively with default batch meter humidity province
Between the upper limit, default batch meter temperature range lower limit compared, the operation of the water pump is controlled according to comparing result;
If the air themperature in batch meter is more than the upper limit of default batch meter temperature range, water pump is controlled to preset water flow area
Between upper limit operation or run with default water flow plus water flow constant value, wherein it is small to preset the sum of water flow and water flow constant value
In or equal to default water flow section the upper limit;
If the air themperature in batch meter is less than the lower limit of default batch meter temperature range, water pump is controlled to preset water flow area
Between lower limit operation or the operation of water flow constant value is subtracted with default water flow, wherein the difference of default water flow and water flow constant value is big
In or equal to default water flow section lower limit;
If the air themperature in batch meter is in default batch meter temperature range;Water pump is then controlled to continue and is transported with default water flow
Row.
The beneficial effects of the invention are as follows:
(1)By controlling stage by stage the secondary heater or refrigeration system that are mounted in batch meter, the first stage passes through
Secondary heater or refrigeration system make air themperature in batch meter within a short period of time in the first preset temperature section, and second
Stage is quickly calculated by the average heating power of secondary heater and the default operation power of refrigeration system into batch meter
Heat is obtained, and determining described that the corresponding default water temperature of heat and default water flow section, phase III close secondary heater,
Only by the way that refrigeration system is controlled to make the air themperature of batch meter quickly in default batch meter temperature range with parameter preset operation;
(2)It is calculated by the detection time of short period into batch meter and obtains heat, and control refrigeration water tank and water pump with institute
The corresponding default water temperature of heat and the operation of default water flow section are stated to obtain, makes the detection time of detection device and operation energy consumption effective
It reduces, detection accuracy effectively improves.
Specific embodiment
The present invention is further elaborated below by specific embodiment and with reference to attached drawing.
Referring to Fig. 1, Fig. 1 is the building doors and windows shading performance structure of the detecting device schematic diagram of first embodiment of the invention.
The first embodiment of the present invention provides a kind of building doors and windows shading performance detection device, including installing artificial light source
1 light-source box 2, external environment case 3, light import window 4, first and heat refrigeration system 5, fan 6, interior environmental cabinet 7, third heating refrigeration
System 8, secondary heater 9, third temperature sensor 10, heat exchanger 11, the 4th temperature sensor 12, the system equipped with water pump 14
Cold water storage cistern 13, the flow sensor 15 mounted on 11 water inlet of heat exchanger, batch meter 16, the first temperature sensor 18, second
Temperature sensor 17, control device and data acquisition processing system, wherein, the first heating refrigeration system 5 is used for outer shroud
In default external environment case temperature range, the third heating refrigeration system 8 is used for interior environment the air temperature control of border case 3
In default interior environment box temperature degree section, the heat exchanger 11 or heat exchanger 11 and second heat the air temperature control of case
Device 9 by the air temperature control of batch meter 16 in default batch meter temperature range, wherein, preset in environment box temperature degree section,
The setting of default batch meter temperature range, default external environment case temperature range can refer to《Building doors and windows shading performance detection method》
JGT440-2014, the water pump 14 are variable frequency pump, are controlled by changing water flow in heat exchanger 11 or inlet water temperature
Air themperature in batch meter 16.
The control device include the first control module, first detection module, the first judgment module, the second control module,
Third control module, the second detection module, computing module, determining module and the 4th control module;
First control module is used to control refrigeration water tank with first default the first preset time of water temperature refrigerating operaton, and in institute
State log-on data acquisition processing system after the first preset time of refrigeration water tank continuous operation;
The first detection module detects the air themperature in batch meter in real time;
Whether the air themperature that first judgment module is used to judge in batch meter is in the first preset temperature section;
Second control module is used for the water pump according to the air themperature in batch meter and the first preset temperature range restraint
Or the operation of secondary heater makes the air themperature in batch meter be in the first preset temperature section;
The third control module is for controlling the artificial light source, the first heating refrigeration system, the fan, described the
Three heating refrigeration systems, the water pump, the refrigeration water tank, the secondary heater, the control device and the data are adopted
Collect processing system the second preset time of continuous operation;
The air themperature in batch meter when second detection module is used to just start the artificial light source is denoted as A1, by institute
It states air themperature in the batch meter after the second preset time of artificial light source continuous operation and is denoted as A2, the secondary heater is continuous
The average heating power for running the second preset time is denoted as I;
The computing module is used for according to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time, the
The average heating power I of two heaters is calculated into batch meter and is obtained heat;
The determining module is used for according to the preset correspondence obtained between heat and default water temperature and default water flow section
The corresponding default water temperature of heat and default water flow section are obtained described in determining;
4th control module is used to that the secondary heater to be controlled to close and control the refrigeration water tank to obtain heat with described
Corresponding default water temperature operation, and the water pump is controlled in default water flow area according to the air themperature and preset temperature of batch meter
Interior run makes the air themperature of batch meter be in default batch meter temperature range.
Preferably, second control module specifically includes:
If the air themperature in batch meter is more than the upper limit in the first preset temperature section, water pump opening and secondary heater are controlled
It closes;
If the air themperature in batch meter is less than the lower limit in the first preset temperature section, secondary heater opening and water pump are controlled
It closes;
If the air themperature in batch meter is in the first preset temperature section, secondary heater and water pump is controlled not to open.
Preferably, the computing module specifically includes:
According to air themperature A2 in air themperature A1 in batch meter, batch meter, the second preset time, secondary heater average plus
Thermal power I and preset heat Calculation formula calculate into batch meter heat.
Preferably, it is described that heat Calculation formula is:
Q-, which enters in batch meter, obtains heat;
The refrigeration work consumption of Q1- heat exchangers;
The average heating power of I- secondary heaters;
The specific heat capacity of c- air;
The quality of air in the preset batch meters of m-;
The second preset times of T-.
Referring to Fig. 2, Fig. 2 is the building doors and windows shading performance detection device control method flow of second embodiment of the invention
Figure.
The control method includes the following steps:
S1, control refrigeration water tank are with first default the first preset time of water temperature refrigerating operaton, in the refrigeration water tank continuous operation
Log-on data acquisition processing system after first preset time detects the air themperature in batch meter in real time.
Wherein, the first preset time is 10 minutes~30 minutes.
Specifically, when detecting generally with the first default water temperature refrigerating operaton, the first default water temperature is generally refrigeration water tank
12 °C~20 °C, but since the refrigeration water tank water temperature of Various Seasonal is different, for example, summer, refrigeration water tank just starts water temperature
At 25 ° or more, in winter, the incipient water temperature of refrigeration water tank is at 10 °C hereinafter, therefore, refrigeration water tank is preferably first run before detection
At the first time, water temperature is made to be near the first default water temperature.
Data acquisition processing system respectively with the first temperature sensor, second temperature sensor, third temperature sensor,
Four temperature sensors, flow sensor connection, for acquiring the air themperature of the air themperature of external environment case, batch meter, heat is handed over
The water flow of the inlet water temperature of parallel operation, the exit water temperature of heat exchanger and water pump, after log-on data acquisition processing system, the second temperature
Air themperature when spending sensor in acquisition batch meter.
S2, judge whether the air themperature in batch meter is in the first preset temperature section, if it is not, S3 is then entered step,
If so, enter step S4.
S3, water pump or secondary heater according to the air themperature in batch meter and the first preset temperature range restraint
Operation makes the air themperature in batch meter be in the first preset temperature section.
S4, start artificial light source, first heating refrigeration system, fan, third heating refrigeration system, water pump, refrigeration water tank,
Secondary heater, control device and data acquisition processing system, wherein, refrigeration water tank is with the first default water temperature refrigerating operaton, water
Pump is run with the first default water flow.
Specifically, in order to effectively improve detection speed, it should judge whether the air themperature in batch meter is in before detection
First preset temperature section, the upper limit in the first preset temperature section for first preset temperature and the first threshold temperature it
With the difference of the lower limit in, the first preset temperature section for first preset temperature and the first threshold temperature, described first in advance
If temperature is preferably 25.5 °C~26.5 °C, first threshold temperature is preferably 1 °C~2 °C.
Detection start when by the air themperature in batch meter respectively with the first preset temperature section upper limit, the first preset temperature
Interval limit is compared, and the operation of the water pump or secondary heater is controlled according to comparison result.
If the air themperature in batch meter is more than the upper limit in the first preset temperature section, water pump is controlled to open and is added with second
Hot device closes to reduce the air themperature in batch meter;It should be noted that after water pump is opened, judge to measure every preset time
Whether the air themperature in case is more than the upper limit in the first preset temperature section, if so, water pump continues to open operation, if it is not, then
It switches off the pump immediately.
If air themperature in batch meter is less than the lower limit in the first preset temperature section, control secondary heater open and
Water pump closes to increase the air themperature in batch meter;It should be noted that after secondary heater is opened, sentence every preset time
Whether the air themperature in disconnected batch meter is less than the lower limit in the first preset temperature section, if so, secondary heater continues to open
Operation, if it is not, then closing secondary heater immediately.
If the air themperature in batch meter is in the first preset temperature section, secondary heater and water pump is controlled not to beat
It opens.
When the air themperature in batch meter is in the first preset temperature section, start artificial light source, the first heating refrigeration
System, fan, third heating refrigeration system, water pump, refrigeration water tank, secondary heater, control device and data acquisition process system
System, wherein, refrigeration water tank is run with the first default water temperature refrigerating operaton, water pump with the first default water flow.
S5, the control artificial light source, the first heating refrigeration system, the fan, third heating refrigeration system
System, the water pump, the refrigeration water tank, the secondary heater, the control device and the data acquisition processing system connect
The second preset time of reforwarding row, and the air themperature in the batch meter when artificial light source is just started is denoted as A1, will described in
Air themperature is denoted as A2 in batch meter after the second preset time of artificial light source continuous operation, and the secondary heater is continuously transported
The average heating power of the second preset time of row is denoted as I.
Wherein, the second preset time is 5 minutes~20 minutes, and secondary heater is connect with power sensor, average to heat
Power I can be averaged by the heating power at each moment in the second preset time and be obtained, can also pass through the second preset time
The heating amount of interior secondary heater divided by the second preset time obtain.
If detecting relevant device with other it should be noted that being additionally provided in architectural shading heat-proof quality detection device,
Also the second preset time of continuous operation is controlled, that is, controls the architectural shading heat-proof quality detection device for including secondary heater continuous
Run the second preset time.
S6, according to air themperature A2, the second preset time, secondary heater in air themperature A1 in batch meter, batch meter
Average heating power I calculate into batch meter heat.
Specifically, the air temperature variations in batch meter are mainly by the different transfer of heat of external environment case and batch meter, into meter
Caused by manual simulation's light, heat exchanger heat absorption in measuring tank, wherein, since the air themperature in external environment case is usually set to
25°C+0.5 °C, the air themperature in batch meter is usually set to 25 °C+0.3 °C, the different transfer of heat of external environment case and batch meter
It can be ignored, be at this time to obtain heat into batch meter into manual simulation's light in batch meter;In addition, due to refrigeration
Water tank and water pump are run with the first default water temperature and the first default water flow, and the Endothermic power or refrigeration work consumption of heat exchanger are basic
Constant, which can pass through the refrigeration work consumption of the preset first default water temperature, the first default water flow and preset heat exchanger
Correspondence obtains, wherein, the refrigeration work consumption of preset first default water temperature, the first default water flow and preset heat exchanger
The calibration value that can be obtained according to a large amount of experimental analysis of correspondence.
After the refrigeration work consumption of heat exchanger is determined, according to air themperature A2 in air themperature A1 in batch meter, batch meter,
Second preset time, the average heating power I of secondary heater and the preset heat Calculation formula that obtains can be calculated into batch meter
Heat, described heat Calculation formula are:
Q-, which enters in batch meter, obtains heat;
The refrigeration work consumption of Q1- heat exchangers;
The average heating power of I- secondary heaters;
The specific heat capacity of c- air;
The quality of air in the preset batch meters of m-;
The second preset times of T-.
S7, it is obtained according to determining the preset correspondence obtained between heat and default water temperature and default water flow section
The corresponding default water temperature of heat and default water flow section.
Specifically, the upper limit for presetting water flow section is default the sum of water flow and first flow threshold values, presets water flow
The lower limit in section is to preset water flow and the difference of first flow threshold values, preset to obtain heat and default water temperature and default water flow area
Between between the calibration value that can be obtained according to a large amount of experimental analysis of correspondence.
In addition, when determining default water flow section, default water flow can be first determined, it is preset to obtain heat and default water temperature
The calibration value that correspondence between default water flow can be obtained according to a large amount of experimental analysis is determining default water flow
Afterwards, first flow threshold values can be calculated according to default water flow, first flow threshold values be preferably default water flow 5%~
20%。
S8, the control secondary heater are closed, and the refrigeration water tank is controlled to obtain the corresponding default water temperature of heat with described
Operation.
S9, the water pump is controlled according to air themperature and the preset temperature of batch meter described that heat is corresponding default
Operation makes the air themperature of batch meter be in default batch meter temperature range in water flow section.
Specifically, after default water temperature and default water flow section is determined, the secondary heater is controlled to close, controls institute
State artificial light source, the first heating refrigeration system, the fan, third heating refrigeration system, the water pump, the system
Cold water storage cistern, the control device and the data acquisition processing system continue to run with.If it should be noted that architectural shading every
It is additionally provided in thermal performance detection device and is continued to run with other detection relevant devices, also control, that is, control and do not include the second heating
The architectural shading heat-proof quality detection device operation of device.
Wherein, when the secondary heater is just closed, refrigeration water tank is with described that the corresponding default water temperature of heat is freezed
Operation, water pump obtains the corresponding default water flow section operation of heat described, by the air themperature in batch meter respectively with presetting
The upper limit of batch meter temperature range, default batch meter temperature range lower limit compared, water pump is controlled according to comparing result
Operation;
If the air themperature in batch meter is more than the upper limit of default batch meter temperature range, water pump is controlled to preset water flow area
Between upper limit operation or run with default water flow plus water flow constant value, wherein it is small to preset the sum of water flow and water flow constant value
In or equal to default water flow section the upper limit;
If the air themperature in batch meter is less than the lower limit of default batch meter temperature range, water pump is controlled to preset water flow area
Between lower limit operation or the operation of water flow constant value is subtracted with default water flow, wherein the difference of default water flow and water flow constant value is big
In or equal to default water flow section the upper limit;
If the air themperature in batch meter is in default batch meter temperature range;Water pump is then controlled to continue and is transported with default water flow
Row.
Preferably, the water pump is controlled to be transported in default water flow section according to the air themperature of batch meter and preset temperature
Row, the control technology can also be run by existing control technology, as water pump uses PID technical controllings.
S10, control the first heating refrigeration system are by the air temperature control of external environment case in default external environment case humidity province
In, control third heating refrigeration system is by the air temperature control of interior environmental cabinet in default interior environment box temperature degree section.
S11, when the temperature of external environment case, interior environmental cabinet and batch meter meets testing requirements, data acquisition processing system
Start the solar heat gain coefficient of data and calculation testing piece.
The present invention is when detecting by stage by stage controlling the secondary heater or refrigeration system that are mounted in batch meter
System, first stage make the air themperature in batch meter pre- in first within a short period of time by secondary heater or refrigeration system
If temperature range, second stage is quickly counted by the average heating power of secondary heater and the default operation power of refrigeration system
Add into batch meter heat, and determine described the corresponding default water temperature of heat and default water flow section, phase III
Secondary heater is closed, only by the way that refrigeration system is controlled to make the air themperature of batch meter quickly in default with parameter preset operation
Batch meter temperature range.
Detection device and its control method provided by the invention effectively reduce while detection data accuracy is ensured
Detection time improves detection efficiency.
Protection scope of the present invention is not limited to foregoing description, any other forms production under the enlightenment of the present invention
Product, no matter making any change in shape or structure, the technical schemes that are same or similar to the present invention, in this hair
Within bright protection domain.