TWI453363B - Dynamic adjustment method of ice water temperature in ice water host - Google Patents

Description

Ice water temperature dynamic adjustment method of ice water host

The invention relates to a dynamic ice water temperature control method for load change of an ice water host or an air conditioning area, and particularly relates to a control method for dynamically adjusting ice water temperature setting applied to an ice water host of an air conditioning system.

There are two methods for controlling the ice water temperature of the ice water main machine: one is the water temperature control of the ice water device, and the non-segment capacity adjustment function of the compressor is used, such as 0~100% capacity adjustment, according to the ice water of the fixed ice water host. The set value of the outlet water temperature reflects the load change of the air conditioning area, and the operation capacity adjustment of the ice water main unit is performed; the other is the return water temperature control of the ice water unit, and the compressor has a section capacity adjustment function, such as 0%, 25%, 50%, 75. %, 100% four-stage capacity adjustment, according to the set value of the ice water return water temperature and the set value of the temperature difference of the fixed ice water main unit, the ice water return water temperature change characteristic of the load change reaction in the air conditioning area, the ice water host operation Capacity adjustment. The above two ice water temperature setting methods all adopt the fixed ice water temperature setting value to adjust the capacity of the ice water host, and do not have the function of dynamically adjusting the ice water temperature setting value.

Refer to the ice water host test standard CNS12575 and ARI550/590 part load performance test method, wherein the load operation at 25%, 50%, 75% capacity accounted for 42%, 45%, 12%, a total of 99%, It can be seen that the conventional ice water host system is operated under partial load conditions for a long time. Under the lower load conditions, the higher the ice water temperature can meet the load requirements of air conditioning terminal equipment such as air conditioners and blowers. It is known that the ice water temperature of the ice water host cannot provide the function of dynamically adjusting the ice water temperature setting value. The ice water main unit will not be able to increase the temperature setting value when it is running under partial load, so that the operation efficiency of the ice water host or group cannot be effectively and timely improved.

It can be seen that there are still many shortcomings in the above-mentioned methods of use, which is not a good design, but needs to be improved. In order to provide more energy-saving benefits, the actual needs In order to find the item, the inventor conducted research and development to solve the problem that is easy to use in the conventional use.

The object of the present invention is to provide a dynamic ice water temperature setting combined with the load change of the ice water host or the air conditioning area, which is applied to the ice water temperature setting of the ice water host, and provides a dynamic adjustment function to enable the ice water host or the ice water host. When the group is running part of the load, the ice water temperature setting value can be dynamically adjusted to improve the operating efficiency of the overall ice water main unit, group and air conditioning system.

A dynamic ice water temperature setting function that combines the load change of the ice water host or the air conditioning area to achieve the above object, and the ice water host or group dynamically adjusts the ice water temperature setting method according to the load rate of the ice water host or the load of the air conditioning area. Temperature changes, dynamically adjust the ice water temperature setting. When the method is applied to a partial load operation of an ice water host or an ice water host group, the ice water temperature setting value can be dynamically adjusted to improve the operation efficiency of the overall ice water host, group and air conditioning system.

In order to enable the reviewing committee to better understand the techniques, means, and effects of the present invention in order to achieve the intended purpose, the preferred embodiments of the present invention will be described in detail with reference to the drawings. And the advantages, when you can get a deep and specific understanding.

The invention provides a dynamic ice water temperature control device and method for combining load changes of an ice water host or an air conditioning area, which dynamically adjusts ice according to load changes of an ice water host or an air conditioning area by using a control device and a control operation flow. The water temperature setting is to dynamically adjust the ice water temperature setting by using the load temperature change of the air conditioning area or the ice water host load rate; the dynamic adjustment ice water temperature setting includes the ice water return water temperature setting and the effluent of the ice water host or group. temperature setting. The dynamic ice water temperature control method of the ice water host described in the patent is applicable to the ice water host and the ice water host group, and the dynamic adjustment ice water temperature setting includes the ice water return water temperature setting and the water outlet temperature setting. Please refer to the following illustration for the implementation.

Referring to the first figure, the ice water temperature control architecture diagram is dynamically adjusted according to the load temperature change of the air conditioning area according to the present invention. The air conditioning ice water system is made of ice water main unit 2 to supply ice water to the air conditioning unit air conditioning unit 1 to adjust the temperature demand in the air conditioning area 40. The ice water cold source is supplied by the ice water host 2, and the ice water host 2 returns the air conditioning unit air conditioner 1 to the higher temperature ice water host ice water inlet water temperature 7, and cools down to the ice water host ice water outlet water temperature 8, and then supplies to The air conditioning unit air conditioner 1 is configured to constitute an ice water supply circuit 6. The input end of the control device 3 has an input interface input setting parameter 11 and an air conditioning area reference reference point measuring temperature capturing device 21; the input interface input setting parameter 11 is an air conditioning zone temperature preset value and an initial setting of the ice water host ice water temperature. Value, air conditioning area reference point measurement temperature extraction device 21 by the air conditioning area reference reference point temperature sensor 31 draws the reference reference point temperature in the air conditioning area, as the load temperature change condition of the air conditioning area, dynamically adjusts the ice water temperature setting.

Please refer to the second figure, which is a flow chart of the operation of dynamically adjusting the ice water temperature according to the load temperature change of the air conditioning area according to the present invention. The input interface input setting parameter block 51, the air conditioning zone temperature measurement parameter block 52, the control device block 53 and the chiller host new ice water temperature setting block 57 constitute a control operation flow. The control device block 53 performs calculation according to the parameter obtained by the air conditioning zone temperature measurement parameter block 52 and the input parameter value input by the input interface input setting parameter block 51, and the operation result will obtain the ice water temperature new set value output to the ice. The water host new ice water temperature setting block 57, reset the ice water temperature of the ice water host to reset the value T _{set, new} , so that the ice water host or group has the load temperature change according to the air conditioning area, and dynamically adjust the ice water temperature setting. Features.

The input parameter input by the input interface input setting parameter block 51 is the air conditioning zone temperature preset value T _room,set and the ice water temperature initial setting value T _set(0) of the ice water host or group. The parameter measured by the air conditioning zone temperature measurement parameter block 52 is the air conditioning zone reference reference point measurement temperature T _room , and the reference point may be the average of the multipoint measurement temperature.

The control operation flow of the control device block 53 sequentially includes an air conditioning zone temperature average calculation equation block 54, an ice water temperature reset value calculation equation block 55, and an ice water temperature reset value output block 6, and outputs the operation result to the ice. The water host new ice water temperature setting block 7 enables the ice water host or group to obtain the ice water temperature reset value output. The equation for calculating the average value of the temperature of the air-conditioning zone is as follows: In the equation, T _room,n is the measured temperature value of the reference point of the air conditioning area, and the calculated value of the average temperature of the air conditioning area T _{room, ave} is calculated by measuring the temperature value of the m pen T _{room, n} in a set time. The average value is obtained as the average temperature value T _{room,ave of the} air conditioning zone reference datum _, and is used as the calculation parameter of the ice water temperature resetting value T _{set, new} .

The ice water temperature reset value calculation equation block 55 has the equation: T _{set ( i +1)} = K _T [ T _room,set - T _room,ave ]- T _{set ( i )} according to the air conditioning zone reference datum average temperature value T _{room, ave} and air conditioning zone temperature preset value T _room,set difference and a proportional coefficient K _T , as the ice water temperature setting dynamic adjustment range, based on the previous temperature set value T _{set (i)} , get a new ice water temperature set value T _{set (i + 1)} . Ice water temperature reset value output block 6 accepts ice water temperature reset value calculation formula block 55 obtained ice water temperature set value T _{set (i + 1)} redefine ice water temperature reset value T _{set, new} to ice water Host.

Please refer to the third figure, which is a dynamic adjustment of the ice water temperature control architecture diagram for the ice water host load change of the present invention. The air conditioning ice water system is made of ice water main unit 2 to supply ice water to the air conditioning unit air conditioning unit 1 to adjust the temperature demand in the air conditioning area 40. The ice water cold source is supplied by the ice water host 2, and the ice water host 2 returns the air conditioning unit air conditioner 1 to the higher temperature ice water host ice water inlet water temperature 7, and cools down to the ice water host ice water outlet water temperature 8, and then supplies to The air conditioning unit air conditioner 1 is configured to constitute an ice water supply circuit 6. The input end of the control device 3 has an input interface input setting parameter 12 and a measurement parameter extraction device. Input interface input setting parameter 12 input parameters include the maximum ice water temperature set value T _set,max of the minimum load rate, the minimum ice water temperature set value T _{set,min of the} maximum load rate, the ice water host full load running current I _f , The ice water main engine full load operation power consumption P _f , the ice water host full load refrigeration capacity Q _ef and the ice water host full load ice water _inlet and outlet water temperature difference DT _ch,f . The measurement parameter extraction device group includes an ice water side measurement parameter extraction device (1) 28 and a power supply side measurement parameter extraction device (2) 29. The parameter measuring point picking device of the ice water side measuring parameter extraction device (1) 28 respectively comprises: an ice water host ice water inlet water temperature measuring point 34 and an ice water host ice water inlet water temperature collecting device 24 Ice water main water ice water temperature measuring point 35 and ice water host ice water water temperature picking device 25, ice water host ice water flow measuring point 36 and ice water host ice water flow picking device 26, and ice water The host operates a cooling capacity extraction device 27. The ice water main engine running refrigeration capacity extraction device 27 takes the measurement point with ice water host ice water inlet water temperature measurement point 34, ice water host ice water water temperature measurement point 35 and ice water host ice water flow measurement Point 36 three parameter measurement points. The power supply side measurement parameter extraction device (2) 29 capture device has an ice water host operation current extraction device 22 and an ice water host operation power consumption extraction device 23; the parameter measurement point is the ice water host power amount Measuring point 32. The ice water host 2 is supplied with power from the supply power terminal 5 via the supply power line 9. The control device 4 performs the calculation by using the measurement parameters extracted by the quantity side parameter extraction device (1) 28 and the quantity side parameter extraction device (2) 29, and the input interface input setting parameter 12, and the operation result will obtain the ice water temperature. The new set value input parameter 13 is output to the ice water host 2, so that the ice water host 2 has a function of dynamically adjusting the ice water temperature setting according to the load rate change of the ice water host 2.

Please refer to the fourth figure for the flow chart of the dynamic adjustment of ice water temperature for the ice water main load change of the present invention. The system includes an input interface input setting parameter group block 61, a measurement parameter group input block 62, an ice water host parameter information capturing device block 63, a control device block 64, and a new ice water temperature setting block 70 to form a control operation flow. . The control device block 64 calculates the measurement parameters by the ice water host parameter information acquisition device block 63, and calculates the parameter values obtained by the input interface input parameter group block 61, and the operation result will obtain the new ice water temperature setting value. The output is set to the new ice water temperature setting block 70, and the ice water temperature reset value T _{set, new} of the ice water host is reset, so that the ice water host has the function of dynamically adjusting the ice water temperature setting according to the change of the ice water host load rate.

The input interface input setting parameter group box 61 input setting parameters include the highest ice water temperature set value T _set,max of the minimum load rate, the lowest ice water temperature set value T _{set,min of the} maximum load rate and the load rate calculation. The ice water main engine is fully loaded with the operating current I _f , the ice water main engine full load operation power consumption P _f , the ice water host full load cooling capacity Q _ef and the ice water host full load ice water inlet and outlet water temperature difference set value DT _ch,f . The parameters measured by the measurement parameter group input block 62 include the ice water host running current I _ch , the ice water host running power consumption P _ch , the ice water host ice water inlet water temperature T _chi , the ice water host ice water effluent Temperature T _cho , ice water host ice water flow F _ch , ice water main engine running refrigeration capacity Q _e . The ice water host parameter information capturing device block 63 can extract the current, voltage, electric quantity, temperature, water flow or cooling capacity and other information providing control device block 64 to perform the block flow calculation.

The control device block 64 calculates the measurement parameters by using the ice water host parameter information acquisition device block 63, and inputs the set parameter values through the input interface, and the control operation flow sequentially includes the calculation formula for the maximum adjustment ice water temperature setting difference. Block 65, ice water host load rate calculation equation block 66, ice water host average load rate calculation equation block 67, ice water temperature reset value calculation equation block 68 and ice water temperature reset value output block 69, and the operation result is output. To the new ice water temperature setting block 70, the ice water host or group obtains the ice water temperature reset value output. The maximum adjustment ice water temperature setting difference calculation equation block 65 equation is: DT = T _{set, max} - T _{set, min} its maximum adjustment ice water temperature setting difference DT is the input interface input setting parameter group, the minimum load The temperature difference between the highest ice water temperature set value T _set,max and the lowest ice water temperature set value T _{set,min of the} maximum load rate.

The equation for the ice water host load rate calculation equation block 66 is: There are four methods for obtaining the ice water host load rate PLF , which can be the difference between the running current value I _{ch of the} ice water host, the running power consumption P _ch , the running cooling capacity Q _e and the ice water inlet and outlet water temperature of the ice water host. ( T _cho - T _chi ), and the full load operation current value I _f required for full load operation, full load operation power consumption P _f , full load refrigeration capacity Q _ef and chilled water host full ice water inlet and outlet water temperature difference set value DT The ratio of _{ch, f} is obtained.

The average load rate of the ice water host is calculated by the equation of Equation 67: The average load rate PLF _ave of the ice water host is calculated as the PLF ice water host load rate PLF data in a set time, and the average value is taken to obtain the average load rate, and the ice water temperature reset value is calculated in the equation block 68. The calculation parameter of the water temperature set value T _set .

The equation for calculating the ice water temperature reset value equation block 68 is: The ice water temperature set value T _set is based on the ice water host average load rate PLF _ave , the maximum adjusted ice water temperature set difference DT and a proportional coefficient K _P , as the ice water temperature setting dynamic adjustment range to obtain a new ice. Water temperature setting. The ice water temperature reset value output block 69 accepts the ice water temperature reset value calculation formula block 68 to obtain the ice water temperature set value T _set to redefine the ice water temperature reset value T _{set, new} to the ice water host.

Please refer to the fifth to eighth figures for the flow chart of the chilled water host load dynamic adjustment ice water temperature four kinds of load rate PLF method flow chart, according to the fourth figure execution process, each load rate PLF acquisition method, respectively In the fourth figure, the input interface inputs a set parameter group block 61, a measurement parameter group input block 62, and an ice water host load rate calculation equation block 66, and the like.

Please refer to the fifth figure for the flow chart of the first method for dynamically adjusting the ice water temperature of the ice water host load change according to the present invention. The load rate PLF obtaining method is a ratio of the ice water host operating current I _ch and the ice water host full load operating current I _f , such as the ice water host load rate calculation equation block 166 . The input parameters of the input interface input parameter group block 161 have the minimum ice water temperature set value T _set,max , the minimum ice water temperature set value T _set,min and the ice water host full load running current. I _f ; The measurement parameter in the measurement parameter group input block 162 is the ice water host operation current I _ch .

Please refer to the sixth figure for the flow chart of the second method for dynamically adjusting the ice water temperature of the ice water host load change according to the present invention. The load rate PLF obtaining method is a ratio of the ice water host operation power consumption P _ch and the ice water host full load operation power consumption P _f , such as the ice water host load rate calculation equation block 266 . The input parameters of the input interface input parameter group block 261 have the minimum ice water temperature set value T _set,max of the minimum load rate, the lowest ice water temperature set value T _{set,min of the} maximum load rate _, and the full load operation of the ice water host. The electric quantity P _f ; the measurement parameter in the measurement parameter group input block 262 is the ice water main operation power consumption P _ch .

Please refer to the seventh figure for the third method of dynamically adjusting the ice water temperature of the ice water host load change according to the present invention. The load rate PLF obtaining method is a ratio of the ice water host running refrigeration capacity Q _e and the ice water host full load running cooling capacity Q _ef , such as the ice water host load rate calculation equation block 366 . The input parameters of the input interface input parameter group block 361 have the minimum ice water temperature set value T _set,max , the minimum load water temperature set value T _set,min and the ice water host full load operation refrigeration. Capability Q _ef ; The measurement parameter in the measurement parameter group input block 362 is the ice water host operation refrigeration capacity Q _e . Among them, there are two methods for obtaining the cooling capacity Q _{e of the} ice water main engine by the measurement parameters: the first method is directly obtained by the ice water host running refrigeration capacity extraction device, such as a thermal flow meter; the second method has the measurement parameters The ice water host ice water inlet temperature T _chi , the ice water host ice water outlet temperature T _cho and the ice water host ice water flow F _ch , using three parameters to calculate the ice water host running refrigeration capacity Q _e .

Please refer to the eighth figure for the fourth method of dynamically adjusting the ice water temperature of the ice water host load change according to the present invention. The load rate PLF is obtained by using the ice water inlet and _outlet water temperature difference ( T _cho - T _chi ) when the ice water host is running and the ratio of the ice water inlet and outlet water temperature difference set value DT _{ch, f} , such as ice. The water host load rate calculation equation block 466. The input parameters of the input interface input parameter group block 361 have the minimum ice water temperature set value T _set,max , the minimum load water temperature set value T _set,min and the ice water host full of ice water. The inlet and outlet water temperature difference set value DT _ch,f ; the measurement parameters in the measurement parameter group input block 462 are the ice water host ice water inlet water temperature T _chi and the ice water host ice water outlet water temperature T _cho .

[Features and effects]

The dynamic ice water temperature control method provided by the invention combined with the change of the ice water host or the air conditioner load has the following advantages when compared with other conventional technologies:

1. The invention provides a simple control device and a control operation flow, and dynamically adjusts the ice water temperature setting according to the load rate change of the ice water host or the ice water host group to improve the operation efficiency of the ice water host and the air conditioning system thereof.

2. The invention provides a dynamic ice water temperature setting combined with the load change rate of the ice water host, which is applied to the ice water temperature setting of the ice water host, and provides the function of dynamically adjusting the ice water temperature setting.

3. The invention provides an energy-saving operation method for an ice water host or an ice water host group during a partial load operation period, which dynamically adjusts an ice water temperature setting value of the ice water host, and resets a higher ice water temperature when the load is smaller. Allow the ice water main or ice water host group to operate under higher efficiency conditions.

4. The invention provides temperature change in the air conditioning zone, and has the function of dynamically adjusting the ice water temperature setting, and resets the higher ice water temperature when the load in the air conditioning area is smaller, so that the ice water host operates under higher efficiency conditions.

5. The invention has the function of improving the operation efficiency of the ice water host or the group when the air conditioner is partially loaded.

The detailed description of the present invention is intended to be illustrative of a preferred embodiment of the invention, and is not intended to limit the scope of the invention. The patent scope of this case.

To sum up, this case is not only innovative in terms of technical thinking, but also has many of the above-mentioned functions that are not in the traditional methods of the past. It has fully complied with the statutory invention patent requirements of novelty and progressiveness, and applied for it according to law. Approved this invention patent application, in order to invent invention, to the sense of virtue.

1‧‧‧Air-conditioned area air-conditioning equipment

2‧‧‧ice water host

3‧‧‧Control device

4‧‧‧Control device

5‧‧‧Supply power supply

6‧‧‧Ice water supply circuit

7‧‧‧ Ice water main water ice water inlet temperature

8‧‧‧ Ice water main water ice water temperature

9‧‧‧Supply power lines

11‧‧‧Input interface input setting parameters

12‧‧‧Input interface input setting parameters

13‧‧‧ ice water temperature new set value input parameters

21‧‧‧Air conditioning area reference point measurement temperature extraction device

22‧‧‧Ice water main engine running current extraction device

23‧‧‧Ice water main engine operation power consumption extraction device

24‧‧‧ Ice water main water ice water inlet temperature extraction device

25‧‧‧ Ice water main water ice water temperature extraction device

26‧‧‧Ice water host ice water flow extraction device

27‧‧‧Ice water main engine running refrigeration capacity extraction device

28‧‧‧Measurement parameter acquisition device (1)

29‧‧‧Measurement parameter acquisition device (2)

31‧‧‧Air conditioning area reference point temperature sensor

32‧‧‧Ice water main power measurement point

34‧‧‧ Ice water main water ice water inlet temperature measurement point

35‧‧‧ Ice water main water ice water temperature measurement point

36‧‧‧Ice water main ice water flow measurement point

40‧‧‧Air-conditioned area

51‧‧‧Input interface input setting parameter block

52‧‧‧Air conditioning zone temperature measurement parameter block

53‧‧‧Control device box

54‧‧‧ Air conditioning zone temperature average calculation equation block

55‧‧‧Ice water temperature reset value calculation equation block

56‧‧‧Ice water temperature reset value output block

57‧‧‧ Ice water host new ice water temperature setting block

61‧‧‧Input interface input setting parameter group box

62‧‧‧Measurement parameter group input box

63‧‧‧Ice water host parameter information capture device block

64‧‧‧Control device box

65‧‧‧Maximum adjustment of ice water temperature setting difference calculation formula square

66‧‧‧Ice water host load rate calculation equation block

67‧‧‧Ice flow host average load rate calculation equation block

68‧‧‧Ice water temperature reset value calculation equation block

69‧‧‧Ice water temperature reset value output block

70‧‧‧New ice water temperature setting block

161‧‧‧Input interface input setting parameter group box

162‧‧‧Measurement parameter group input box

166‧‧‧Ice water host load rate calculation equation block

261‧‧‧Input interface input setting parameter group box

262‧‧‧Measurement parameter group input box

266‧‧‧Ice Water Host Load Rate Calculation Equation Block

361‧‧‧Input interface input setting parameter group block

362‧‧‧Measurement parameter group input box

366‧‧‧Ice Water Host Load Rate Calculation Equation Block

461‧‧‧Input interface input setting parameter group box

462‧‧‧Measurement parameter group input box

466‧‧‧Ice Water Host Load Rate Calculation Equation Block

Symbol Description

T _room ‧‧‧Air conditioning area reference point measurement temperature [°C]

T _room,set ‧‧‧air conditioning zone temperature preset value [°C]

T _set(0) ‧‧‧Ice water main ice water temperature initial setting [°C]

T _{room, ave} ‧‧‧air conditioning area average temperature calculation value [°C]

T _{set (i)} ‧‧‧ the i-th set temperature value [deg.] C]

T _{set(i + 1)} ‧‧‧ ( i + 1) temperature setting [°C]

T _set,new ‧‧‧Ice water temperature reset value [°C]

T _chi ‧‧‧ice water host ice water inlet water temperature [°C]

T _cho ‧‧‧ice water host ice water outlet temperature [°C]

I _ch ‧‧‧Ice water main engine running current [A]

I _f ‧‧‧Ice water main engine full load operating current [A]

P _ch ‧‧‧Ice water main engine operation power consumption [kW]

Q _e ‧‧‧Ice water main engine running cooling capacity [kW]

Q _ef ‧‧‧Ice Water Mainframe Full Capacity Refrigeration Capacity [kW]

P _f ‧‧‧Ice water main engine full load operation power consumption [kW]

F _ch ‧‧‧ice water host ice water flow [LPM]

T _set ‧‧‧Ice water temperature setting value [°C]

DT _ch,f ‧‧‧Ice water mainframe full load ice water inlet and outlet water temperature difference set value [°C]

T _set,max ‧‧‧Maximum ice rate setting for minimum load rate [°C]

T _set,min ‧‧‧Minimum load rate minimum ice water temperature setting [°C]

DT ‧‧‧Maximum adjustment ice water temperature setting difference [°C]

PLF ‧‧‧ice water host load rate

PLF _ave ‧‧‧Ice water main load average load rate

K _T , K _P ‧ ‧ coefficient

The first figure is a control architecture diagram of the first embodiment of the present invention.

The second figure is a flow chart of the operation of the first embodiment of the present invention.

The third figure is a control architecture diagram of a second embodiment of the present invention.

The fourth figure is a flow chart of the operation of the second embodiment of the present invention.

Figure 5 is a flow chart of a first method of the second embodiment of the present invention.

Figure 6 is a flow chart of a second method of the second embodiment of the present invention.

Figure 7 is a flow chart of a third method of the second embodiment of the present invention.

Figure 8 is a flow chart of a fourth method of the second embodiment of the present invention.

1‧‧‧Air-conditioned area air-conditioning equipment

2‧‧‧ice water host

3‧‧‧Control device

6‧‧‧Ice water supply circuit

7‧‧‧ Ice water main water ice water inlet temperature

8‧‧‧ Ice water main water ice water temperature

11‧‧‧Input interface input setting parameters

13‧‧‧ ice water temperature new set value input parameters

21‧‧‧Air conditioning area reference point measurement temperature extraction device

31‧‧‧Air conditioning area reference point temperature sensor

40‧‧‧Air-conditioned area

Claims (18)

An ice water temperature dynamic adjustment method for an ice water host mainly dynamically adjusts an ice water temperature setting manner according to a load temperature change of an air conditioning area, and includes: an input interface input setting parameter; a measurement parameter; the control device is based on the measurement parameter and The input sets the parameter value, calculates the equation of the air conditioning zone temperature average, calculates the equation for the ice water temperature reset value, and the control device outputs the ice water temperature reset value obtained by the calculation to the ice water host; and the ice water host according to the calculation center The obtained ice water temperature reset value dynamically adjusts the ice water temperature setting. The ice water temperature dynamic adjustment method of the ice water main unit according to the first aspect of the patent, wherein the measurement parameter is a measurement temperature of a reference point of the air conditioning area, and the reference point is an average value of the multi-point measurement temperature. The ice water temperature dynamic adjustment method of the ice water main unit according to the first aspect of the patent, wherein the input interface input setting parameter is an air conditioning zone temperature preset value and an initial setting value of the ice water host or the ice water temperature of the ice water host. The method for dynamically adjusting the ice water temperature of the ice water main unit according to the first aspect of the patent, wherein the air temperature calculation method is an equation for calculating a temperature value of the reference point of the air conditioning area, and measuring the m in a set time. The pen temperature value is taken as the average value to obtain the average temperature value of the reference point of the air-conditioning zone, and is used as the calculation parameter of the ice water temperature reset value. The calculation formula is: The method for dynamically adjusting the ice water temperature of the ice water host according to the first aspect of the patent scope, wherein the ice water temperature reset value calculation formula is based on the reference temperature point average temperature value of the air conditioning area and the air conditioning zone temperature preset value. The difference and a proportional coefficient are set as the dynamic adjustment range of the ice water temperature to obtain a new ice water temperature setting value. The equation is: T _{set ( i +1)} = T _{set ( i )} - K _T [ T _room,set - T _room ] The ice water temperature dynamic adjustment method of the ice water host mainly adjusts the ice water temperature setting mode according to the load rate of the ice water host, and includes: input interface input setting parameter group; measurement parameter group; control device according to a parameter The information capture device takes the measurement parameters and inputs the input parameters, and calculates the equation for the maximum adjustment of the ice water temperature, the calculation formula of the ice water host load rate, the calculation formula of the average load rate of the ice water host, and the temperature of the ice water. Set the value calculation equation to calculate, obtain the ice water temperature set value, define the ice water temperature reset value, and output the ice water temperature reset value to the ice water host; and the ice water host resets the value according to the ice water temperature. Adjust the ice water temperature setting. The ice water temperature dynamic adjustment method of the ice water host according to the sixth aspect of the patent, wherein the input interface input setting parameter group includes a maximum ice water temperature setting value of a minimum load rate and a minimum ice water temperature of a maximum load rate. The set value, the full running current of the ice water main unit, the power consumption of the ice water main engine full load operation, the full capacity cooling capacity of the ice water main unit and the temperature difference between the ice water inlet and the outlet water of the ice water main unit. The method for dynamically adjusting the ice water temperature of the ice water host according to Item 6 of the patent scope, wherein the measurement parameter group comprises an operating current of the ice water host, a running power consumption of the ice water host, and an ice water of the ice water host. Inlet water temperature, ice water outlet temperature, ice water flow of ice water main unit or refrigeration capacity of ice water main unit. The method for dynamically adjusting the ice water temperature of the ice water host according to the sixth aspect of the patent, wherein the parameter information extracting device can obtain information such as current, voltage, electric quantity, temperature, water flow or cooling capacity. The method for dynamically adjusting the ice water temperature of the ice water host according to the sixth aspect of the patent, wherein the maximum adjusted ice water temperature setting difference calculation formula, the maximum adjusted ice water temperature setting difference is an input interface input setting parameter group The temperature difference between the highest ice water temperature set value and the minimum ice water temperature set value of the maximum load rate is calculated as: DT = T _set,max - T _set,min For example, the ice water temperature dynamic adjustment method of the ice water host according to the sixth aspect of the patent scope, wherein the ice water host load rate calculation formula has four methods for obtaining the ice water host load rate: the first method, the ice water The current value calculation of the host; the second method is calculated by the power consumption of the ice water host; the third method is the calculation of the cooling capacity of the ice water host and the fourth method, and the temperature difference between the ice water inlet and outlet water of the ice water host is calculated The calculation formula for the ice water host load rate is: For example, the method for dynamically adjusting the ice water temperature of the ice water host according to the eleventh item of the patent scope, the first method for obtaining the load rate of the ice water host is to use the ratio of the running current of the ice water host to the full load running current of the ice water host, The measurement parameters of the method include the ice water host running current; the input interface input setting parameter value has the highest ice water temperature setting value of the minimum load rate, the minimum ice water temperature setting value of the maximum load rate, and the full load running current of the ice water host. The method for dynamically adjusting the ice water temperature of the ice water host according to the eleventh item of the patent scope, the second method for obtaining the load rate of the ice water host is to use the power consumption of the ice water host and the power consumption of the ice water host full load operation. The ratio of the measured parameters of the method is the running power of the ice water host; the input interface input setting parameter value has the lowest ice water temperature setting value of the minimum load rate, the lowest ice water temperature setting value of the maximum load rate, and the ice water host Full load operation power consumption. For example, the method for dynamically adjusting the ice water temperature of the ice water host according to the eleventh aspect of the patent scope, the third method for obtaining the load rate of the ice water host is to use the ratio of the running capacity of the ice water host to the full capacity of the ice water host, and the cooling capacity of the ice water host. The method for obtaining the cooling capacity measurement parameter of the ice water main engine is used to obtain the measurement parameter of the running capacity of the ice water main engine; the input interface input setting parameter value has the lowest ice water temperature setting value and the lowest maximum load rate of the minimum load rate. Ice water temperature setting and full capacity cooling capacity of the ice water main unit. For example, the method for dynamically adjusting the ice water temperature of the ice water host according to Item 14 of the patent scope, the third method for obtaining the load rate of the ice water host, wherein the method for obtaining the cooling capacity measurement parameter of the ice water host has two methods: the first method For the ice water main engine running refrigeration capacity extraction device, such as thermal flow meter, etc.; the second method of measuring parameters are ice water host ice water inlet water temperature, ice water host ice water outlet temperature and ice water host ice water The flow rate is calculated by using three parameters to obtain the running capacity of the ice water main engine. For example, the ice water temperature dynamic adjustment method of the ice water host according to the eleventh patent range, the fourth obtaining method of the ice water host load rate is the ice water inlet and outlet water temperature difference and the ice water host when the ice water host is running. The ratio of the temperature difference between the inlet and outlet of the ice water is full. The measurement parameters of the method include the ice water inlet temperature of the ice water main unit and the ice water outlet temperature of the ice water main unit; the input interface setting parameter value has the highest ice rate of the minimum load rate. The temperature setting value, the minimum ice water temperature setting value of the maximum load rate, and the set value of the ice water inlet and outlet water temperature difference of the ice water main unit. The method for dynamically adjusting the ice water temperature of the ice water main unit according to the sixth aspect of the patent scope, wherein the average load rate of the ice water host is calculated, and the average load rate is calculated by calculating the m load rate data within a set time. The average value is obtained to obtain the average load rate. As the calculation parameter of the ice water temperature reset value, the equation is calculated as: The method for dynamically adjusting the ice water temperature of the ice water host according to the sixth aspect of the patent scope, wherein the ice water temperature reset value calculation formula is based on the average load rate of the ice water host, the maximum adjusted ice water temperature setting difference and a ratio. The coefficient is set as the dynamic adjustment range of the ice water temperature to obtain a new ice water temperature setting value, and the calculation equation is: