Energy-saving control method, medium, device and terminal for purification air conditioning system

Abstract

The present invention discloses an energy-saving control method, medium, device and terminal for a purification air-conditioning system. The terminal includes a control device and a purification air-conditioning box and a variable frequency exhaust fan arranged in a purification workshop. The energy-saving control method includes the following steps: S1. Obtaining the current outdoor temperature T0 and the current workshop temperature T3; S2. Determining whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the second preset temperature range, then executing steps S3 to S4, otherwise keeping the current control state unchanged; S3. Obtaining the current total air supply volume A1, and calculating the target value of the first air volume control parameter based on the first preset formula; S4. Collecting the real-time value of the first air volume control parameter, generating a corresponding control instruction to control the air-conditioning system. The present invention has good energy-saving effect and high degree of intelligence.

Description

Technical Field

[0001] The present invention relates to the technical field of purification air conditioning, and in particular to an energy-saving control method, medium, device and terminal for a purification air conditioning system. Background Art

[0002] The cleanroom is an extremely enclosed space, especially a Class I medical supplies production workshop. There are many heating production equipment in the workshop and it is usually equipped with a high density of production line personnel. All personnel entering the cleanroom must wear clean clothes. GMP regulations have strict requirements on the temperature and humidity in the cleanroom. As a result, in spring, autumn and winter, the outdoor temperature is low, while the temperature in the workshop is high, reaching above 28°C, and the indoor humidity exceeds 65%. The outdoor environment operating temperature of the standard air-cooled heat pump air-conditioning unit is between 5-42°C in the refrigeration condition. The outdoor unit of the purification air-conditioning unit cannot operate for cooling when the outdoor temperature is below 5°C, resulting in the temperature and humidity in the controlled cleanroom failing to meet the standards.

[0003] At present, the purification air-conditioning system used in the production workshop usually needs to turn on the outdoor compressor for cooling throughout the year when the outdoor environment operating temperature is within the range of 5-42℃ to cool the production workshop. This will inevitably consume a lot of electricity, have high energy consumption, and have poor energy-saving effects. Summary of the Invention

[0004] The present invention provides an energy-saving control method, medium, device and terminal for a purification air-conditioning system, which solve the above-mentioned technical problems.

[0005] The technical solution of the present invention to solve the above technical problems is as follows:

[0006] A first aspect of the present invention provides an energy-saving control method for a purification air-conditioning system, comprising the following steps:

[0007] S1. Get the current outdoor temperature T0 and the current workshop temperature T3;

[0008] S2. Determine whether the current workshop temperature T3 is within a first preset temperature range (T1, T2) and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the second preset temperature range, execute steps S3 to S4; otherwise, maintain the current control state of the purification air conditioning system unchanged;

[0009] S3. Obtain the current total air supply volume A1, and calculate the target value of the first air volume control parameter corresponding to the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3 based on the first preset formula;

[0010] S4. Collect the real-time value of the first air volume control parameter, and generate a corresponding first control instruction based on the real-time value and target value of the first air volume control parameter. The first control instruction is used to control the outdoor compressor in the purification air-conditioning system to be in a closed state and adjust the opening of each corresponding valve to adjust the current workshop temperature T3 to the first preset temperature range.

[0011] In a preferred embodiment, the first air volume control parameter of the purification air conditioning system in step S3 includes at least one of the pressure difference air volume, fresh air volume, exhaust air volume and return air volume; and the first preset formula includes at least one of the following calculation formulas:

[0012] The calculation formula of the pressure difference air volume target value A2 is:

[0013] ;

[0014] The calculation formula of the fresh air volume target value A3 is:

[0015] ;

[0016] The calculation formula of the exhaust volume target value A4 is:

[0017] ;

[0018] The calculation formula of the return air volume target value A5 is:

[0019] .

[0020] In a preferred embodiment, the control method further comprises the following steps:

[0021] Get the current workshop humidity H3;

[0022] When the current workshop temperature T3 ≥ the upper limit T2 of the first preset temperature range and the current workshop humidity H3 ≥ the first preset humidity threshold H2, the variable frequency exhaust fan of the purification air conditioning system is controlled to operate at high frequency; when the current workshop temperature T3 ≤ the lower limit T1 of the first preset temperature range and the current workshop humidity H3 ≤ the second preset humidity threshold H1, the variable frequency exhaust fan is controlled to operate at low frequency; otherwise, the current control state of the variable frequency exhaust fan remains unchanged;

[0023] The second preset humidity threshold H1 is lower than the first preset humidity threshold H2.

[0024] In a preferred embodiment, the following control method is also included, and the specific steps are as follows:

[0025] S10. Determine whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a third preset temperature range. If the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the third preset temperature range, execute steps S20 to S40; otherwise, maintain the current control state of the purification air conditioner unchanged; wherein the lower limit of the third preset temperature range is greater than the upper limit of the second preset temperature range;

[0026] S20. Obtain the current total air supply volume A1, and calculate the target value of the corresponding second air volume control parameter based on a second preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3;

[0027] S30. Determine whether the current workshop humidity H3 is within the preset humidity range (H1, H2). If so, control the target water delivery value of the purification air conditioning box in the purification air conditioning system to zero. Otherwise, calculate the target water delivery value based on a third preset formula;

[0028] S40. Collect the real-time values ​​of the second air volume control parameter and the water supply volume, and generate a corresponding second control instruction based on the real-time values ​​and target values ​​of the second air volume control parameter and the water supply volume, the second control instruction being used to control the variable frequency exhaust fan to be in an off state, and to control the outdoor compressor to be in an on state and to adjust the opening of each corresponding valve to adjust the current workshop temperature T3 to a first preset temperature range and the current workshop humidity H3 to within a preset humidity range.

[0029] A second aspect of the present invention provides a computer-readable storage medium having program code stored therein. When the program code is executed by a processor, the energy-saving control method of the purification air-conditioning system is implemented.

[0030] A third aspect of the present invention provides an energy-saving control device for a purification air-conditioning system, characterized in that it includes a processor and a storage medium storing program code, and when the program code is executed by the processor, it implements the energy-saving control method for the purification air-conditioning system.

[0031] A fourth aspect of the present invention provides an energy-saving control terminal for a purification air-conditioning system, the purification air-conditioning system comprising a purification air-conditioning box, a variable frequency exhaust fan, and an outdoor compressor provided in a purification workshop, the energy-saving control terminal being electrically connected to the purification air-conditioning box, the variable frequency exhaust fan, and the outdoor compressor, respectively; the energy-saving control terminal comprising:

[0032] A first acquisition module is used to obtain the current outdoor temperature T0, the current workshop temperature T3 and the current total air supply volume A1 and collect the real-time value of the first air volume control parameter;

[0033] a first judgment module, configured to judge whether the current workshop temperature T3 is within a first preset temperature range (T1, T2) and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the second preset temperature range, the first calculation module and the first control module are driven; otherwise, the second control module is driven;

[0034] A first calculation module is used to calculate a target value corresponding to a first air volume control parameter based on a first preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3;

[0035] a first control module, configured to generate a corresponding first control instruction according to the real-time value and the target value of the first air volume control parameter, and control the outdoor compressor to be in an off state and adjust the opening of each corresponding valve according to the first control instruction, so as to adjust the current workshop temperature T3 to within a first preset temperature range;

[0036] The second control module is used to keep the current control state of the purification air-conditioning system unchanged.

[0037] In a preferred embodiment, the energy-saving control terminal also includes a variable frequency exhaust fan frequency regulation module, which is used to control the variable frequency exhaust fan to operate at high frequency when the current workshop temperature T3 ≥ the upper limit value T2 of the first preset temperature range and the current workshop humidity H3 ≥ the first preset humidity threshold H2; when the current workshop temperature T3 ≤ the lower limit value T1 of the first preset temperature range and the current workshop humidity H3 ≤ the second preset humidity threshold H1, control the variable frequency exhaust fan to operate at low frequency, otherwise keep the current control state of the variable frequency exhaust fan unchanged; the second preset humidity threshold H1 is less than the first preset humidity threshold H2.

[0038] In a preferred embodiment, the energy-saving control terminal further includes:

[0039] A second acquisition module is used to collect real-time values ​​of the second air volume control parameter and the water supply volume;

[0040] a second judgment module, configured to judge whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a third preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the third preset temperature range, the second calculation module, the third calculation module, and the third control module are driven; otherwise, the second control module is driven;

[0041] A second calculation module is used to calculate a target value corresponding to a second air volume control parameter based on a second preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3;

[0042] a third calculation module, configured to determine whether the current workshop humidity H3 is within a preset humidity range (H1, H2); if so, controlling the target value of the water delivery volume of the purification air conditioning box in the purification air conditioning system to zero; if not, calculating the target value of the water delivery volume based on a third preset formula;

[0043] The third control module is used to generate a corresponding second control instruction based on the real-time value and target value of the second air volume control parameter and the water supply volume, and control the variable frequency exhaust fan to be in an off state, and control the outdoor compressor to be in an on state and adjust the opening of each corresponding valve through the second control instruction to adjust the current workshop temperature T3 to within the first preset temperature range and adjust the current workshop humidity H3 to within the preset humidity range.

[0044] In a preferred embodiment, the purification air-conditioning box includes a mixing section, a surface cooling section, a steam heating section, a fan section, a flow equalizing section, a medium-efficiency section and an air outlet section arranged along the air supply direction, the mixing section is connected to the cotton filter through an air duct, the air inlet end of the cotton filter is provided with an outdoor fresh air delivery duct and a return air duct, the return air duct is provided with an exhaust duct connected thereto, the exhaust port of the exhaust duct is connected to a variable frequency exhaust fan, the surface cooling section is provided with a chilled water supply pipe and a chilled water return pipe connected thereto, the fan section is provided with a variable frequency air supply fan, the air outlet section is provided with an air supply duct, the air supply duct and the return air duct are both connected to the purification workshop;

[0045] The outdoor fresh air delivery duct is provided with an electric fresh air valve, the return air duct is provided with an electric return air valve, the supply air duct is provided with an electric supply air valve, the exhaust air duct is provided with an electric exhaust valve, and the chilled water return pipe is provided with an electric water valve; the first control instruction is used to control the opening of the electric fresh air valve, the electric return air valve, the electric supply air valve and the electric exhaust valve, and the second control instruction is used to control the opening of the electric fresh air valve, the electric return air valve, the electric supply air valve and the electric water valve;

[0046] The cleanroom is provided with at least one and each cleanroom is provided with a temperature sensor and a humidity sensor, and the current workshop temperature and the current workshop humidity of the corresponding cleanroom are collected by the temperature sensor and the humidity sensor.

[0047] Compared with the prior art, the present invention has the following beneficial effects:

[0048] First, the present invention has low energy consumption and good energy-saving effects. The present invention facilitates automatically selecting a corresponding control method to control the purification air conditioning system based on the current outdoor temperature, the current workshop temperature, the current workshop humidity, the first preset temperature range, the second preset temperature range, the third preset temperature range, and the preset humidity range. The present invention controls the opening and closing of the outdoor compressor and the variable frequency exhaust fan according to different situations, and controls the opening of each corresponding valve, thereby adjusting the workshop temperature to within the target range. The frequency of the variable frequency air conditioner can also be adjusted according to different situations, thereby reducing energy consumption, achieving good energy-saving effects, and reducing costs.

[0049] Second, the present invention boasts a high degree of intelligence, facilitating automatic adjustment and real-time control of the air conditioning system as needed. It can automatically control the openings of the electric fresh air valve, electric return air valve, electric supply air valve, electric exhaust valve, and electric water valve based on real-time conditions, adjusting the workshop temperature and humidity to within the target range. This system boasts a high degree of intelligence, automation, and ease of use.

[0050] Third, the present invention provides more precise temperature control. The present invention calculates an air volume control parameter using a preset formula, generates corresponding control instructions based on the real-time value and target value of the air volume control parameter, controls the on / off of the outdoor compressor and variable frequency exhaust fan in the purification air conditioning system, and adjusts the opening of each corresponding valve to adjust the current workshop temperature to a first preset temperature range. This provides more precise temperature control with higher accuracy.

[0051] In order to make the above-mentioned objects, features and advantages of the invention more obvious and easy to understand, preferred embodiments of the present invention are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0053] Figure 1 1 is a flow chart of an energy-saving control method for a purification air-conditioning system provided in Example 1 of the present invention;

[0054] Figure 2 2 is a schematic structural diagram of a purification air conditioning system provided by Example 2 of the present invention;

[0055] Figure 2In: 1. Outdoor fresh air delivery duct; 11. Electric fresh air valve; 2. Cotton filter; 3. Purification air conditioning box; 31. Mixing section; 32. Surface cooling section; 321. Chilled water supply pipe; 322. Chilled water return pipe; 3221. Electric water valve; 33. Steam heating section; 34. Fan section; 35. Flow averaging section; 351. Pressure differential air volume sensor; 36. Medium efficiency section; 37. Air outlet section; 4. Air supply duct; 41. Electric supply air valve; 5. Purification workshop; 51. Temperature sensor; 52. Humidity sensor; 6. Return air duct; 61. Electric return air valve; 7. Exhaust duct; 71. Electric exhaust valve; 8. Variable frequency exhaust fan. DETAILED DESCRIPTION

[0056] In order to make the purpose, technical solution and beneficial technical effects of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are only for the purpose of explaining the present invention and are not intended to limit the present invention.

[0057] Embodiment 1 of the present invention provides an energy-saving control method for a purification air-conditioning system, comprising the following steps:

[0058] S1. Get the current outdoor temperature T0 and the current workshop temperature T3;

[0059] S2. Determine whether the current workshop temperature T3 is within a first preset temperature range (T1, T2) and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range (T1, T2) and the current outdoor temperature T0 is within the second preset temperature range, execute steps S3 to S4; otherwise, maintain the current control state of the purification air conditioning system unchanged;

[0060] S3. Obtain the current total air supply volume A1, and calculate the target value of the first air volume control parameter corresponding to the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3 based on the first preset formula;

[0061] S4. Collect the real-time value of the first air volume control parameter, and generate a corresponding first control instruction based on the real-time value and target value of the first air volume control parameter. The first control instruction is used to control the outdoor compressor in the purification air-conditioning system to be in a closed state and adjust the opening of each corresponding valve to adjust the current workshop temperature T3 to the first preset temperature range.

[0062] In the above embodiment, based on the current outdoor temperature T0, the current workshop temperature T3, the first preset temperature range and the second preset temperature range, it is determined whether to select the control method of spring, autumn and winter to control the purification air-conditioning system. If so, corresponding control instructions are generated according to the real-time value and target value of the control parameters to control the outdoor compressor to turn off, the variable frequency exhaust fan to turn on, the opening of each corresponding valve to mix the outdoor fresh air and the indoor circulating air in a certain proportion, thereby adjusting the workshop temperature to within the target range.

[0063] In the above embodiment, there is no need to turn on the outdoor compressor for cooling in spring, autumn and winter. By introducing fresh outdoor air and turning on the variable frequency exhaust fan to promote air circulation in the purification workshop, a cooling effect is achieved, energy consumption is reduced, energy saving effect is good, and cost is low.

[0064] In a specific embodiment, the first air volume control parameter of the purification air conditioning system in step S3 includes at least one of the pressure difference air volume, the fresh air volume, the exhaust air volume, and the return air volume; and the first preset formula includes at least one of the following calculation formulas:

[0065] The calculation formula of the pressure difference air volume target value A2 is:

[0066] ;

[0067] The calculation formula of the fresh air volume target value A3 is:

[0068] ;

[0069] The calculation formula of the exhaust volume target value A4 is:

[0070] ;

[0071] The calculation formula of the return air volume target value A5 is:

[0072] .

[0073] In a preferred embodiment, the first preset temperature range is (18°C, 26°C), the second preset temperature range is (0°C, 20°C), and the current workshop temperature T3 is 30°C. At this time, the operation mode of the air-conditioning system is the spring, autumn and winter operation mode, the outdoor compressor is turned off, and the variable frequency exhaust fan is turned on. The analog parameters of the mixing ratio of outdoor fresh air and indoor circulating air in spring, autumn and winter are shown in Table 1:

[0074] Table 1 Parameters of simulated mixing ratio of outdoor fresh air and indoor circulating air in spring, autumn and winter

[0075]

[0076] The data in Table 1 above are calculated using the first preset formula. In spring, autumn and winter, the above parameter values ​​are used to control the mixing ratio of outdoor fresh air and indoor circulating air, thereby adjusting the temperature of the purification workshop to within the first preset temperature range of (18°C, 26°C), reducing energy consumption and achieving good energy-saving effects.

[0077] The energy consumption of the purification air conditioning system in summer mainly includes the energy consumption of the outdoor compressor, the water pump and the purification air conditioning, while the energy consumption in spring, autumn and winter mainly includes the energy consumption of the purification air conditioning box and the variable frequency exhaust fan. The monthly energy consumption of the outdoor compressor, water pump and purification air conditioning box at different opening rates and in different seasons, as well as the monthly energy consumption of the variable frequency exhaust fan at different opening rates are shown in Table 2:

[0078] Table 2 Monthly energy consumption of purification air conditioning system

[0079]

[0080] It can be seen from Table 2 that when the opening rate is the same, the energy consumption of the outdoor compressor is higher than that of the purification air-conditioning box, and the energy consumption of the water pump and the variable frequency exhaust fan is lower than that of the purification air-conditioning box. In summer, the outdoor compressor, water pump and purification air-conditioning box need to be turned on, and in spring, autumn and winter, only the purification air-conditioning box and the variable frequency exhaust fan need to be turned on, and there is no need to turn on the outdoor compressor. The energy-saving effect is better in spring, autumn and winter.

[0081] In a preferred embodiment, the control method further comprises the following steps:

[0082] Get the current workshop humidity H3;

[0083] When the current workshop temperature T3 ≥ the upper limit T2 of the first preset temperature range and the current workshop humidity H3 ≥ the first preset humidity threshold H2, the variable frequency exhaust fan of the purification air conditioning system is controlled to operate at high frequency; when the current workshop temperature T3 ≤ the lower limit T1 of the first preset temperature range and the current workshop humidity H3 ≤ the second preset humidity threshold H1, the variable frequency exhaust fan is controlled to operate at low frequency; otherwise, the current control state of the variable frequency exhaust fan remains unchanged;

[0084] The second preset humidity threshold H1 is lower than the first preset humidity threshold H2.

[0085] In the above embodiment, by comparing the front workshop temperature T3 and the current workshop humidity H3 with the current workshop temperature lower limit preset value T1, the current workshop temperature upper limit preset value T2, the front workshop humidity lower limit preset value H1 and the current workshop humidity upper limit preset value H2, the operating frequency of the variable frequency exhaust fan is controlled according to different situations, thereby achieving energy saving effect.

[0086] In a preferred embodiment, the following control method is also included, and the specific steps are as follows:

[0087] S10. Determine whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a third preset temperature range. If the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the third preset temperature range, execute steps S20 to S40; otherwise, maintain the current control state of the purification air conditioner unchanged; wherein the lower limit of the third preset temperature range is greater than the upper limit of the second preset temperature range;

[0088] S20. Obtain the current total air supply volume A1, and calculate the target value of the corresponding second air volume control parameter based on a second preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3;

[0089] S30. Determine whether the current workshop humidity H3 is within the preset workshop target humidity range (H1, H2). If so, control the target water delivery value of the purification air conditioning box in the purification air conditioning system to zero. Otherwise, calculate the target water delivery value based on a third preset formula;

[0090] S40. Collect the real-time values ​​of the second air volume control parameter and the water supply volume, and generate a corresponding second control instruction based on the real-time values ​​and target values ​​of the second air volume control parameter and the water supply volume. The second control instruction is used to control the variable frequency exhaust fan to be in the off state, and to control the outdoor compressor to be in the on state and to adjust the opening of each corresponding valve to adjust the current workshop temperature T3 to the first preset temperature range and adjust the current workshop humidity H3 to within the workshop preset humidity range.

[0091] According to whether the current outdoor temperature T0 is within the third preset temperature range, it is determined whether it is summer. In the summer temperature and humidity control mode, the outdoor compressor operates in the cooling mode to provide a cold source. The control terminal of the indoor purification air-conditioning system automatically adjusts the opening of the electric supply air valve, electric fresh air valve, electric return air valve and electric water valve according to the indoor temperature and humidity of the purification workshop to achieve precise control of the temperature and humidity in the purification workshop area.

[0092] Exemplarily, the first preset temperature range is set to (18°C, 26°C), the third preset temperature range is set to (20°C, 40°C), the humidity preset range is set to (45%, 65%), the current workshop temperature T3 is not within the first preset temperature range (18°C, 26°C), and the current outdoor temperature T0 is within the third preset temperature range (20°C, 40°C), then the summer mode is selected, the variable frequency exhaust fan is controlled to be in the off state, the outdoor compressor is controlled to be in the on state and the opening of each corresponding valve is adjusted to adjust the current workshop temperature T3 to the first preset temperature range and the current workshop humidity H3 to the preset humidity range. It is easy to use, has a high degree of intelligence, and can accurately control temperature and humidity.

[0093] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0094] An embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores program code. When the program code is executed by a processor, the energy-saving control method of the purification air-conditioning system is implemented.

[0095] An embodiment of the present invention provides an energy-saving control device for a purification air-conditioning system, characterized in that it includes a processor and a storage medium storing program code, and when the program code is executed by the processor, the energy-saving control method of the purification air-conditioning system is implemented.

[0096] Embodiment 2 of the present invention provides an energy-saving control terminal for a purification air conditioning system, wherein the purification air conditioning system includes a purification air conditioning box, a variable frequency exhaust fan, and an outdoor compressor provided in a purification workshop, and the energy-saving control terminal is electrically connected to the purification air conditioning box, the variable frequency exhaust fan, and the outdoor compressor, respectively; the energy-saving control terminal includes:

[0097] A first acquisition module is used to obtain the current outdoor temperature T0, the current workshop temperature T3 and the current total air supply volume A1 and collect the real-time value of the first air volume control parameter;

[0098] a first judgment module, configured to judge whether the current workshop temperature T3 is within a first preset temperature range (T1, T2) and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the second preset temperature range, the first calculation module and the first control module are driven; otherwise, the second control module is driven;

[0099] A first calculation module is used to calculate a target value corresponding to a first air volume control parameter based on a first preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3;

[0100] a first control module, configured to generate a corresponding first control instruction according to the real-time value and the target value of the first air volume control parameter, and control the outdoor compressor to be in an off state and adjust the opening of each corresponding valve according to the first control instruction, so as to adjust the current workshop temperature T3 to within a first preset temperature range;

[0101] The second control module is used to keep the current control state of the purification air-conditioning system unchanged.

[0102] In the above embodiment, by setting a first acquisition module, a first judgment module, a first calculation module and a first control module, it is convenient to determine whether it is spring, autumn or winter. If it is, the purification air-conditioning system is controlled by the energy-saving control method of spring, autumn and winter, the outdoor compressor is turned off, the variable frequency exhaust fan is turned on, and the outdoor fresh air and indoor circulating air are mixed in a certain proportion, so as to adjust the current workshop temperature T3 to the first preset temperature range. It has a high degree of intelligence, reduces energy consumption, and has a good energy-saving effect.

[0103] In a preferred embodiment, the energy-saving control terminal also includes a variable frequency exhaust fan frequency regulation module, which is used to control the variable frequency exhaust fan to operate at high frequency when the current workshop temperature T3 ≥ the upper limit value T2 of the first preset temperature range and the current workshop humidity H3 ≥ the first preset humidity threshold H2; when the current workshop temperature T3 ≤ the lower limit value T1 of the first preset temperature range and the current workshop humidity H3 ≤ the second preset humidity threshold H1, control the variable frequency exhaust fan to operate at low frequency, otherwise keep the current control state of the variable frequency exhaust fan unchanged; the second preset humidity threshold H1 is less than the first preset humidity threshold H2.

[0104] In the above embodiment, the frequency conversion exhaust fan is automatically frequency-controlled by the frequency conversion exhaust fan frequency control module, which has a high degree of intelligence, reduces energy consumption, and has a good energy-saving effect.

[0105] In a preferred embodiment, the energy-saving control terminal further includes:

[0106] A second acquisition module is used to collect real-time values ​​of the second air volume control parameter and the water supply volume;

[0107] a second judgment module, configured to judge whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a third preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the third preset temperature range, the second calculation module, the third calculation module, and the third control module are driven; otherwise, the second control module is driven;

[0108] A second calculation module is used to calculate a target value corresponding to a second air volume control parameter based on a second preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3;

[0109] a third calculation module, configured to determine whether the current workshop humidity H3 is within a preset humidity range (H1, H2); if so, controlling the target value of the water delivery volume of the purification air conditioning box in the purification air conditioning system to zero; if not, calculating the target value of the water delivery volume based on a third preset formula;

[0110] The third control module is used to generate a corresponding second control instruction based on the real-time value and target value of the second air volume control parameter and the water supply volume, and control the variable frequency exhaust fan to be in an off state, and control the outdoor compressor to be in an on state and adjust the opening of each corresponding valve through the second control instruction to adjust the current workshop temperature T3 to within the first preset temperature range and adjust the current workshop humidity H3 to within the preset humidity range.

[0111] In the above embodiment, by setting a second acquisition module, a second judgment module, a second calculation module, a third calculation module and a third control module, it is convenient to determine whether it is summer. If so, the purification air-conditioning system is controlled by the summer energy-saving control method, and the current workshop temperature T3 is adjusted to within the first preset temperature range and the current workshop humidity H3 is adjusted to within the preset humidity range. The degree of intelligence is high, and it is convenient for real-time control and automatic adjustment of the workshop temperature and humidity.

[0112] In a preferred embodiment, the purification air-conditioning box 3 includes a mixing section 31, a surface cooling section 32, a steam heating section 33, a fan section 34, a flow balancing section 35, a medium efficiency section 36 and an air outlet section 37 arranged along the air supply direction, the mixing section 31 is connected to the cotton filter 2 through an air duct, the air inlet end of the cotton filter 2 is provided with an outdoor fresh air delivery pipe 1 and a return air duct 6 connected thereto, the return air duct 6 is provided with an exhaust duct 7 connected thereto, and a variable frequency exhaust fan 8 is provided at the exhaust port of the exhaust duct 7, the surface cooling section 32 is provided with a chilled water supply pipe 321 and a chilled water return pipe 322 connected thereto, the fan section 34 is provided with a variable frequency air supply fan, and the air outlet section 37 is provided with an air supply duct 4, and the air supply duct 4 and the return air duct 6 are both connected to the purification workshop 5;

[0113] The outdoor fresh air delivery duct 1 is provided with an electric fresh air valve 11, the return air duct 6 is provided with an electric return air valve 61, the supply air duct 4 is provided with an electric supply air valve 41, the exhaust air duct 7 is provided with an electric exhaust valve 71, and the chilled water return pipe 322 is provided with an electric water valve 3221; the first control instruction is used to control the opening of the electric fresh air valve 11, the electric return air valve 61, the electric supply air valve 41 and the electric exhaust valve 71, and the second control instruction is used to control the opening of the electric fresh air valve 11, the electric return air valve 61, the electric supply air valve 41 and the electric water valve 3221;

[0114] The cleanroom is provided with at least one and each cleanroom is provided with a temperature sensor 51 and a humidity sensor 52 , and the temperature sensor 51 and the humidity sensor 52 are used to collect the current workshop temperature and the current workshop humidity of the corresponding cleanroom.

[0115] The outdoor fresh air delivery duct 1 is provided with a fresh air volume sensor, the supply air volume sensor is provided on the supply air duct 4, the return air volume sensor is provided on the return air duct 6, and the exhaust air volume sensor is provided on the exhaust air duct 7.

[0116] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the division of the above-mentioned functional units and modules is used as an example for illustration. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiment can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing each other, and are not used to limit the scope of protection of this application. The specific working process of the units and modules in the above-mentioned system can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0117] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.

[0118] Those skilled in the art will appreciate that the modules and method steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present invention.

[0119] In the embodiments provided by the present invention, it should be understood that the disclosed devices / terminal equipment and methods can be implemented in other ways. For example, the device / terminal equipment embodiments described above are merely illustrative. For example, the division of the modules or units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0120] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0121] In addition, the functional units in the various embodiments of the present invention may be integrated into a single processing unit, each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or software functional units.

[0122] The present invention is not limited to what is described in the specification and embodiments, and additional advantages and modifications will be readily apparent to those skilled in the art. Therefore, the present invention is not limited to the specific details, representative devices, and illustrative examples shown and described herein without departing from the spirit and scope of the general concept defined by the claims and their equivalents.

Claims

1. An energy-saving control method for a purification air-conditioning system, characterized in that: The following steps are involved: S1. Get the current outdoor temperature T0 and the current workshop temperature T3; S2. Determine whether the current workshop temperature T3 is within a first preset temperature range (T1, T2) and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the second preset temperature range, execute steps S3 to S4; otherwise, maintain the current control state of the purification air conditioning system unchanged; S3. Obtain the current total air supply volume A1, and calculate the target value of the first air volume control parameter corresponding to the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3 based on the first preset formula; S4. Collecting the real-time value of the first air volume control parameter and generating a corresponding first control instruction based on the real-time value and the target value of the first air volume control parameter, wherein the first control instruction is used to control the outdoor compressor of the purification air conditioning system to be in an off state and adjust the opening of each corresponding valve to adjust the current workshop temperature T3 to the first preset temperature range; The following steps are also included: obtaining the current workshop humidity H3; When the current workshop temperature T3 ≥ the upper limit T2 of the first preset temperature range and the current workshop humidity H3 ≥ the first preset humidity threshold H2, the variable frequency exhaust fan of the purification air conditioning system is controlled to operate at high frequency; when the current workshop temperature T3 ≤ the lower limit T1 of the first preset temperature range and the current workshop humidity H3 ≤ the second preset humidity threshold H1, the variable frequency exhaust fan is controlled to operate at low frequency; otherwise, the current control state of the variable frequency exhaust fan remains unchanged; The second preset humidity threshold H1 is lower than the first preset humidity threshold H2.

2. The energy-saving control method for a purification air-conditioning system according to claim 1, characterized in that: The first air volume control parameter of the purification air conditioning system in step S3 includes at least one of the pressure difference air volume, fresh air volume, exhaust air volume and return air volume; the first preset formula includes at least one of the following calculation formulas: The calculation formula for the pressure difference air volume target value A2 is: ； The calculation formula for the fresh air volume target value A3 is: ； The calculation formula for the exhaust volume target value A4 is: ； The calculation formula for the return air volume target value A5 is: 。 3. The energy-saving control method for a purification air-conditioning system according to claim 1, characterized in that: The following control method is also included, and the specific steps are as follows: S10. Determine whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a third preset temperature range. If the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the third preset temperature range, execute steps S20 to S40; otherwise, maintain the current control state of the purification air conditioner unchanged. wherein the lower limit value of the third preset temperature range is greater than the upper limit value of the second preset temperature range; S20. Obtain the current total air supply volume A1, and calculate the target value of the corresponding second air volume control parameter based on a second preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3; S30. Determine whether the current workshop humidity H3 is within the preset humidity range (H1, H2). If so, control the target water delivery value of the purification air conditioning box in the purification air conditioning system to zero. If not, calculate the target water delivery value based on a third preset formula. S40. Collect the real-time values ​​of the second air volume control parameter and the water supply volume, and generate a corresponding second control instruction based on the real-time values ​​and target values ​​of the second air volume control parameter and the water supply volume. The second control instruction is used to control the variable frequency exhaust fan to be in the off state, and to control the outdoor compressor to be in the on state and to adjust the opening of each corresponding valve to adjust the current workshop temperature T3 to the first preset temperature range and the current workshop humidity H3 to the preset humidity range.

4. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores program code, and when the program code is executed by a processor, the method according to any one of claims 1 to 3 is implemented.

5. An energy-saving control device for a purification air-conditioning system, characterized in that: The method comprises a processor and a storage medium storing program code, wherein the program code, when executed by the processor, implements the method according to any one of claims 1 to 3.

6. An energy-saving control terminal for a purification air conditioning system, characterized by: The purification air conditioning system includes a purification air conditioning box, a variable frequency exhaust fan and an outdoor compressor arranged in a purification workshop, and the energy-saving control terminal is electrically connected to the purification air conditioning box, the variable frequency exhaust fan and the outdoor compressor respectively; The energy-saving control terminal includes: The first acquisition module is used to obtain the real-time value of the current outdoor temperature T0, the current workshop temperature T3, the current total air supply volume A1 and the first air volume control parameter; a first judgment module, configured to judge whether the current workshop temperature T3 is within a first preset temperature range (T1, T2) and whether the current outdoor temperature T0 is within a second preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the second preset temperature range, the first calculation module and the first control module are driven; otherwise, the second control module is driven; A first calculation module is used to calculate a target value corresponding to a first air volume control parameter based on a first preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3; a first control module, configured to generate a corresponding first control instruction according to the real-time value and the target value of the first air volume control parameter, and control the outdoor compressor to be in an off state and adjust the opening of each corresponding valve according to the first control instruction, so as to adjust the current workshop temperature T3 to within a first preset temperature range; A second control module, configured to maintain the current control state of the purification air conditioning system unchanged; The energy-saving control terminal also includes a variable frequency exhaust fan frequency regulation module, which is used to control the variable frequency exhaust fan to operate at high frequency when the current workshop temperature T3 ≥ the upper limit value T2 of the first preset temperature range and the current workshop humidity H3 ≥ the first preset humidity threshold H2; when the current workshop temperature T3 ≤ the lower limit value T1 of the first preset temperature range and the current workshop humidity H3 ≤ the second preset humidity threshold H1, control the variable frequency exhaust fan to operate at low frequency, otherwise keep the current control state of the variable frequency exhaust fan unchanged; the second preset humidity threshold H1 is less than the first preset humidity threshold H2.

7. The energy-saving control terminal of the purification air-conditioning system according to claim 6, characterized in that: The energy-saving control terminal further includes: A second acquisition module is used to collect real-time values ​​of the second air volume control parameter and the water supply volume; a second judgment module, configured to judge whether the current workshop temperature T3 is within a first preset temperature range and whether the current outdoor temperature T0 is within a third preset temperature range; if the current workshop temperature T3 is not within the first preset temperature range and the current outdoor temperature T0 is within the third preset temperature range, the second calculation module, the third calculation module, and the third control module are driven; otherwise, the second control module is driven; A second calculation module is used to calculate a target value corresponding to a second air volume control parameter based on a second preset formula and the current total air supply volume A1, the current outdoor temperature T0, and the current workshop temperature T3; a third calculation module, configured to determine whether the current workshop humidity H3 is within a preset humidity range (H1, H2); if so, controlling the target value of the water delivery volume of the purification air conditioning box in the purification air conditioning system to zero; if not, calculating the target value of the water delivery volume based on a third preset formula; The third control module is used to generate a corresponding second control instruction based on the real-time value and target value of the second air volume control parameter and the water supply volume, and control the variable frequency exhaust fan to be in an off state, and control the outdoor compressor to be in an on state and adjust the opening of each corresponding valve through the second control instruction to adjust the current workshop temperature T3 to within the first preset temperature range and adjust the current workshop humidity H3 to within the preset humidity range.

8. The energy-saving control terminal for a purification air-conditioning system according to claim 7, characterized in that: The purification air-conditioning box includes a mixing section, a surface cooling section, a steam heating section, a fan section, a flow equalizing section, a medium-efficiency section and an air outlet section arranged along the air supply direction; the mixing section is connected to the cotton filter through an air duct; the air inlet end of the cotton filter is provided with an outdoor fresh air delivery duct and a return air duct, the return air duct is connected to the exhaust duct, and a variable frequency exhaust fan is provided at the air outlet of the exhaust duct; the surface cooling section is provided with a chilled water supply pipe and a chilled water return pipe connected thereto, the fan section is provided with a variable frequency air supply fan, the air outlet section is provided with an air supply duct, and the air supply duct and the return air duct are both connected to the purification workshop; The outdoor fresh air delivery duct is provided with an electric fresh air valve, the return air duct is provided with an electric return air valve, the supply air duct is provided with an electric supply air valve, the exhaust air duct is provided with an electric exhaust valve, and the chilled water return pipe is provided with an electric water valve; the first control instruction is used to control the opening of the electric fresh air valve, the electric return air valve, the electric supply air valve and the electric exhaust valve, and the second control instruction is used to control the opening of the electric fresh air valve, the electric return air valve, the electric supply air valve and the electric water valve; The cleanroom is provided with at least one and each cleanroom is provided with a temperature sensor and a humidity sensor, and the current workshop temperature and the current workshop humidity of the corresponding cleanroom are collected by the temperature sensor and the humidity sensor.

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