CN108361910A - A kind of control method of central air conditioner system - Google Patents
A kind of control method of central air conditioner system Download PDFInfo
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- CN108361910A CN108361910A CN201810049375.5A CN201810049375A CN108361910A CN 108361910 A CN108361910 A CN 108361910A CN 201810049375 A CN201810049375 A CN 201810049375A CN 108361910 A CN108361910 A CN 108361910A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 230000001052 transient effect Effects 0.000 claims abstract description 26
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control methods of central air conditioner system, including：S1：In region, built-in erection system measures sensing network：Temperature sensor and power meter measuring device are set at terminal, the measurement host that setting is connect with control host signal at control host；S2：The terminal power data that measurement host reads the terminal temperature data of temperature sensor measurement and power meter measuring device measures, control host read transient temperature data, and compared with transient temperature data；S3：It is analyzed as follows：If terminal power data value is low in other terminals around the high positioning terminal of terminal power data value, and the terminal temperature data of positioning terminal are less than the terminal temperature data of other terminals, reduce the power in positioning terminal, improve the power in other terminals；If the terminal temperature data of positioning terminal and the difference of its transient temperature data are more than the maximum value of other terminals, locating alarming prompt is sent out；If less than the minimum value of other terminals, inspection alarm is sent out.
Description
Technical field
The present invention relates to system risk pre-estimating technology fields, more specifically, it relates to a kind of control of central air conditioner system
Method processed.
Background technology
Energy Saving of Central Air-conditioning is a pith of building energy saving field, for how to reach central air conditioner system
On the one hand energy-efficient purpose can be transformed to achieve the goal central air conditioner system by various technological means, on the other hand
Also can be by various management means to achieve the goal, one such management means is exactly to control each end in central air conditioner system
Power distribution on end.
Multiple terminals can be provided with to be controlled into trip temperature in the connected region of a large area, the work(in multiple terminals
Rate then has Field Force to pass through the switch in terminal to control, and is such as set as 18 DEG C in a region, and in another region
25 DEG C are inside set as, since the temperature in different zones is different, then so that the power distribution in above-mentioned zone between terminal is also in
Differentiation reduces the overall efficiency of central air conditioner system, while the temperature difference between adjacent area also increases the heat between region
Exchange efficiency so that part terminal often meets operating condition in maximum, and other terminals are then in low load operational state very
It is extremely inoperative so that the part terminal rapid wear, after part terminal damage, other terminals also can be in working time section later
Interior raising live load and rapid wear, reduce the service life of central air conditioner system.
Invention content
The technical issues of technical solution of the present invention is solved is in the connected region of a large area, due to different zones
Interior temperature is different, then so that the power distribution in above-mentioned zone between terminal is also in differentiation, reduces central air conditioner system
Overall efficiency, reduce the service life of central air conditioner system.
To achieve the above object, technical solution of the present invention provides a kind of control method of central air conditioner system, including with
Lower step：
S1：Sensing network is measured in the built-in erection system of the multiple regions of connection：It is respectively set at the terminal of multiple central air-conditioning
Temperature sensor and power meter measuring device, setting and the temperature sensor and the power at the control host of central air-conditioning
The measurement host of gauge signals connection, the measurement host are connect with the control host signal；
S2：The measurement host reads the terminal temperature data of the temperature sensor measurement and the power meter measuring device measures
Terminal power data, and the terminal temperature data and the terminal power data are sent to the control host, it is described
Control host reads the transient temperature data at multiple terminals, and by the terminal temperature data and the transient temperature number
According to being compared；
S3：The terminal power data that the control host measures it are analyzed as follows：
If terminal power data value is low in other terminals around the high positioning terminal of terminal power data value, and positioning terminal institute
Terminal temperature data in region are less than the terminal temperature data of other terminal regions, and control host then reduces positioning terminal
On power, and improve the power in other terminals；
The terminal temperature data and other terminals of positioning terminal terminal temperature data difference in setting range after, control master
Machine analyzes terminal temperature data and transient temperature data as follows：
If the terminal temperature data of positioning terminal and the difference of its transient temperature data be more than the terminal temperature data of other terminals with
The maximum value of the difference of its transient temperature data, then send out represent positioning terminal can the prompt of vitiable locating alarming；
If the terminal temperature data of positioning terminal and the difference of its transient temperature data be less than the terminal temperature data of other terminals with
The minimum value of the difference of its transient temperature data, then send out represent temperature sensor can vitiable inspection alarm.
Through the above technical solutions, the set temperature at positioning terminal is less than the setting temperature at surrounding other terminals
When spending, the temperature at positioning terminal can be less than the set temperature at other terminals, and the cold at positioning terminal can flow to it at this time
At its terminal, and the temperature difference is bigger, and cold is lost in faster, improves the power in other terminals, can reduce the speed of cold loss
Degree, can also reduce the power in positioning terminal makes it become rated operation operation from peak load operating status, allows center
The power of air-conditioning system is more evenly distributed and is operated in optimal efficiency section, is conducive to central air-conditioning life-time dilatation；It is simultaneously
Unified test amount sensing network can carry out risk to central air conditioner system and estimate to estimate the device for occurring damaging and can not work on,
After the temperature difference in adjacent and connected region reduces, the temperature sensor in positioning terminal and the temperature sensor in other terminals
Between working environment it is close, the operating error range of device itself is also close to reducing device itself error to different temperatures
Sensor measures the influence of the comparison result of terminal temperature data, improves locating alarming prompt and checks the accurate of alarm
Degree prompts employee to overhaul relevant terminal or temperature sensor, similarly serves to favor central air-conditioning life-time dilatation.
Further, the changed power state of positioning terminal described in the control host record, waits for the positioning terminal
After changed power is in setting range, the measurement host reads the terminal temperature data of the positioning terminal.
Through the above technical solutions, when the changed power of positioning terminal, the temperature in residing region also changes therewith, and
Itself error, that is, offset of temperature sensor can change with the variation of its local environment temperature, when the power of positioning terminal becomes
After changing in setting range, the offset of temperature sensor can be stablized in acceptable at one and insignificant numberical range, from
And reduce influence of the offset of temperature sensor to risk estimation results.
Further, the measurement host reads the cycle duration of the terminal temperature data of the positioning terminal with described fixed
The instantaneous power size of position terminal is in inversely prroportional relationship.
Through the above technical solutions, the instantaneous power when positioning terminal is bigger, the life consumption of positioning terminal is bigger, at this time
It needs to reduce read cycle duration, estimates the speed that step finds device failure so as to accelerate risk, while transporting in high load capacity
When turning increase read data frequency be avoided that miss device failure before occur data short-term fluctuation the phenomenon that.
Further, it is that multiple terminal temperature data that different periods measure in positioning terminal distribute different weightings
Value, the weighted value of terminal temperature data is less than within the positioning terminal peak load operating period eventually within the positioning terminal booting period
The weighted value for holding temperature data, the weighted value of terminal temperature data is less than or equal within the positioning terminal peak load operating period
The weighted value of terminal temperature data in positioning terminal rated operation run the period.
Through the above technical solutions, weighted value, which represents risk, estimates degree of belief to data in different periods, some period
The weighted value of interior data is bigger, then represents risk and estimate, the data influence to risk estimation results higher to its degree of belief
Bigger, the mode of above-mentioned weights assigned value can effectively reduce data of the positioning terminal within the nonstandard quasi-operating status period to risk
The influence of estimation results improves the reliability of risk estimation results.
Further, the positioning terminal booting period is that the power stability after positioning terminal just booting improves the period.
Further, the terminal temperature data of record location terminal and its instantaneous temperature within the positioning terminal booting period
The difference of degrees of data, if the amplitude of difference variation, which is more than, is stirred setting value, the instantaneous power for reducing the positioning terminal improves speed
Degree.
Through the above technical solutions, in positioning terminal instantaneous power improve it is too fast then on the deviant of temperature sensor influence
It is excessive, the error of data measured on temperature sensor can be increased.
Further, there is the terminal air outlet towards up-draught, the temperature sensor to be located at the air outlet
Lower section.
Through the above technical solutions, cold air can be arranged to sinking, therefore by temperature sensor in outlet air after spraying on the net
The lower section of mouth, can allow the data that temperature sensor measures more representative to its region mean temperature.
Further, including the locating alarm being arranged by terminal and the inspection being arranged by the temperature sensor
Alarm, the locating alarm controlled connection is in the control host, and the inspection alarm controlled connection is in the measurement
Host.
Through the above technical solutions, locating alarm to be provided separately with alarm is checked and employee can be allowed to be apparent from wind
The type of dangerous estimation results separately handles terminal fault with temperature sensor fault, while the work of terminal and temperature sensor
Make that circuit is obstructed, is provided separately the standardization that can be conducive to system wiring, is conducive to the service work of employee.
The advantageous effect of technical solution of the present invention includes at least：Set temperature at positioning terminal less than it is surrounding its
When set temperature at its terminal, the temperature at positioning terminal can be less than the set temperature at other terminals, at this time positioning terminal
The cold at place can flow at other terminals, and the temperature difference is bigger, and cold is lost in faster, improves the power in other terminals, can
The speed that cold is lost in is reduced, the power that can also reduce in positioning terminal makes it become nominal operation from peak load operating status
State is run, and is allowed the power of central air conditioner system to be more evenly distributed and is operated in optimal efficiency section, and the central air-conditioning longevity is conducive to
The extension of life.
Systematic survey sensing network can carry out risk to central air conditioner system estimate and damage and can not continue to estimate appearance
The device of work, after the temperature difference in adjacent and connected region reduces, on the temperature sensor and other terminals in positioning terminal
Temperature sensor between working environment it is close, the operating error range of device itself is also close to reducing device itself and miss
Difference measures different temperatures sensor the influence of the comparison result of terminal temperature data, improves locating alarming prompt and checks alarm
The accuracy of prompt prompts employee to overhaul relevant terminal or temperature sensor, similarly serves to favor the central air-conditioning service life
Extension.
Description of the drawings
Fig. 1 is the method flow schematic diagram of the embodiment of the present invention；
Fig. 2 is the method flow schematic diagram of S2 of the embodiment of the present invention；
Fig. 3 is the method flow schematic diagram of S3 of the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of control method of central air conditioner system, as shown in Figure 1, including the following steps：
Step S1：Sensing network is measured in the built-in erection system of the multiple regions of connection：Distinguish at the terminal of multiple central air-conditioning
Temperature sensor and power meter measuring device are set.There is terminal the air outlet towards up-draught, temperature sensor to be located under air outlet
Side, cold air can be arranged to sinking, therefore by temperature sensor in the lower section of air outlet after spraying on the net, can allow temperature sensor
The data measured are more representative to its region mean temperature.Power meter measuring device is arranged at the power supply of terminal, and goes here and there
It is associated in the circuit of power supply.It is arranged at the control host of central air-conditioning and is connect with temperature sensor and power meter measuring device signal
Measurement host, measurement host with control host signal connect.But this uses microcontroller or PLC controller to measurement host, warm
The sensor that platinum resistance is measurement core element can be used in degree sensor, and power meter measuring device signal can be used.During control host is
The controller of air-conditioning system, such as PLC controller, measurement host is entreated to be connect with control host signal by RS485 buses, this paper institutes
Refer to that either device is the ripe equipment used in the prior art or device to equipment, and its power supply is supplied by alternating current
Electricity.
Systematic survey sensing network further includes the locating alarm being arranged by terminal and is arranged by temperature sensor
Inspection alarm, locating alarm controlled connection in control host, check alarm controlled connection in measurement host.Positioning report
LED light indicating alarm can be used with alarm is checked in alert device, when controller host or measurement host indicate to alarm to LED light
After device sends alarm signal, LED light indicating alarm can luminous alarm.Locating alarm is provided separately energy with alarm is checked
It allows employee to be apparent from the type of risk estimation results, terminal fault is separately handled with temperature sensor fault, while eventually
End is obstructed with the performance loop of temperature sensor, is provided separately the standardization that can be conducive to system wiring, is conducive to the check man of employee
Make.
Step S2：The end that measurement host reads the terminal temperature data of temperature sensor measurement and power meter measuring device measures
Power data is held, and terminal temperature data and terminal power data are sent to control host, control host reads multiple terminals
The transient temperature data at place, and terminal temperature data are compared with transient temperature data.
As shown in Fig. 2, wherein step S2 further includes step S21.
Step S21：Before measurement host reads data, the changed power state of host record positioning terminal is controlled, it is undetermined
After the changed power of position terminal is in setting range, measurement host reads the terminal temperature data of positioning terminal.Wherein, master is measured
The cycle duration of the machine-readable terminal temperature data for taking positioning terminal is in inversely prroportional relationship with the size of the instantaneous power of positioning terminal,
The instantaneous power of positioning terminal is bigger, and cycle duration is shorter.Because the instantaneous power of positioning terminal is bigger, the service life of positioning terminal
Loss is bigger, needs to reduce read cycle duration at this time, estimates the speed that step finds device failure so as to accelerate risk, together
When increase in high loaded process read data frequency be avoided that miss device failure before the data short-term fluctuation that occurs show
As.When the changed power of positioning terminal, the temperature in residing region also changes therewith, and itself error of temperature sensor is
Offset can change with the variation of its local environment temperature, and such as at 18 DEG C, the offset of temperature sensor is ± 0.5 DEG C；
At 25 DEG C, the offset of temperature sensor is ± 0.8 DEG C, and ± 0.3 DEG C of gap is enough to influence the result that risk is estimated.When
After the changed power of positioning terminal is in setting range, i.e., variation of ambient temperature within the acceptable range, temperature sensor
Offset can be stablized in acceptable at one and insignificant numberical range, to reduce the offset of temperature sensor to risk
The influence of estimation results.
Step S3：The terminal power data that control host measures it are analyzed as follows：
If terminal power data value is low in other terminals around the high positioning terminal of terminal power data value, and positioning terminal institute
Terminal temperature data in region are less than the terminal temperature data of other terminal regions, and control host then reduces positioning terminal
On power, and improve the power in other terminals.
The terminal temperature data and other terminals of positioning terminal terminal temperature data difference in setting range after, control
Host processed analyzes terminal temperature data and transient temperature data as follows：
If the terminal temperature data of positioning terminal and the difference of its transient temperature data be more than the terminal temperature data of other terminals with
The maximum value of the difference of its transient temperature data, then send out represent positioning terminal can the prompt of vitiable locating alarming；
If the terminal temperature data of positioning terminal and the difference of its transient temperature data be less than the terminal temperature data of other terminals with
The minimum value of the difference of its transient temperature data, then send out represent temperature sensor can vitiable inspection alarm.
As shown in figure 3, wherein step S3 further includes step S31 and step S32.
Step S31：Different weighted values is distributed for multiple terminal temperature data that different periods measure in positioning terminal,
The weighted value of terminal temperature data is less than the terminal within the positioning terminal peak load operating period within the positioning terminal booting period
The weighted value of temperature data, the weighted value of terminal temperature data is less than or equal to fixed within the positioning terminal peak load operating period
The weighted value of terminal temperature data in the terminal rated operation run the period of position.Wherein, the positioning terminal booting period is positioning
Power stability after terminal just booting improves the period, and it includes power rate of rise that power stability, which improves the period not only, herein
Stablize this case, further includes that power rate of rise is unstable, but the situation that the trend that increases of power is constant.
Step S32：The terminal temperature data and its transient temperature number of record location terminal within the positioning terminal booting period
According to its difference, if the amplitude of difference variation, which is more than, is stirred setting value, the instantaneous power for reducing positioning terminal improves speed.Positioning is eventually
On end instantaneous power improve it is too fast can on the deviant of temperature sensor influence it is excessive, data measured on temperature sensor can be increased
Error.If environment temperature is at 18 DEG C, the offset of temperature sensor is ± 0.5 DEG C；And environment temperature is quickly carried from 18 DEG C
When height is to 25 DEG C, the offset of temperature sensor can become ± 1.0 DEG C from ± 0.8 DEG C.
Weighted value represents risk and estimates degree of belief to data in different periods, and the weighted value of data is got in some period
Greatly, then it represents risk and estimates higher to its degree of belief, the influence of the data to risk estimation results is bigger, above-mentioned weights assigned
The mode of value can effectively reduce influence of data of the positioning terminal within the nonstandard quasi-operating status period to risk estimation results, carry
The reliability of high risk estimation results.
When set temperature at positioning terminal is less than the set temperature at surrounding other terminals, at positioning terminal
Temperature can be less than the set temperature at other terminals, and the cold at positioning terminal can flow at other terminals at this time, and the temperature difference is got over
Greatly, what cold was lost in is faster, improves the power in other terminals, can reduce the speed of cold loss, can also reduce positioning eventually
Power on end makes it become rated operation operation from peak load operating status, and the power of central air conditioner system is allowed to be distributed
It evenly and is operated in optimal efficiency section, is conducive to central air-conditioning life-time dilatation；Simultaneity factor measures sensing network can be right
Central air conditioner system carries out risk and estimates to estimate the device for occurring damaging and can not work on, when in adjacent and connected region
The temperature difference reduce after, the working environment between the temperature sensor on temperature sensor and other terminals in positioning terminal connects
Closely, the operating error range of device itself is also close to reduction device itself error measures terminal temperature to different temperatures sensor
The influence of the comparison result of degrees of data improves the accuracy of locating alarming prompt and inspection alarm, prompts employee to correlation
Terminal or temperature sensor overhauled, similarly serve to favor central air-conditioning life-time dilatation.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of control method of central air conditioner system, which is characterized in that include the following steps：
S1：Sensing network is measured in the built-in erection system of the multiple regions of connection：It is respectively set at the terminal of multiple central air-conditioning
Temperature sensor and power meter measuring device, setting and the temperature sensor and the power at the control host of central air-conditioning
The measurement host of gauge signals connection, the measurement host are connect with the control host signal；
S2：The measurement host reads the terminal temperature data of the temperature sensor measurement and the power meter measuring device measures
Terminal power data, and the terminal temperature data and the terminal power data are sent to the control host, it is described
Control host reads the transient temperature data at multiple terminals, and by the terminal temperature data and the transient temperature number
According to being compared；
S3：The terminal power data that the control host measures it are analyzed as follows：
If terminal power data value is low in other terminals around the high positioning terminal of terminal power data value, and positioning terminal institute
Terminal temperature data in region are less than the terminal temperature data of other terminal regions, and control host then reduces positioning terminal
On power, and improve the power in other terminals；
The terminal temperature data and other terminals of positioning terminal terminal temperature data difference in setting range after, control master
Machine analyzes terminal temperature data and transient temperature data as follows：
If the terminal temperature data of positioning terminal and the difference of its transient temperature data be more than the terminal temperature data of other terminals with
The maximum value of the difference of its transient temperature data, then send out represent positioning terminal can the prompt of vitiable locating alarming；
If the terminal temperature data of positioning terminal and the difference of its transient temperature data be less than the terminal temperature data of other terminals with
The minimum value of the difference of its transient temperature data, then send out represent temperature sensor can vitiable inspection alarm.
2. control method according to claim 1, which is characterized in that the work(of positioning terminal described in the control host record
Rate variable condition, after the changed power of the positioning terminal is in setting range, the measurement host reads the positioning eventually
The terminal temperature data at end.
3. control method according to claim 2, which is characterized in that the measurement host reads the end of the positioning terminal
The cycle duration of end temperature data is in inversely prroportional relationship with the instantaneous power size of the positioning terminal.
4. control method according to claim 1, which is characterized in that measured in positioning terminal for different periods multiple
Terminal temperature data distribute different weighted values, and the weighted value of terminal temperature data is less than fixed within the positioning terminal booting period
The weighted value of terminal temperature data in the position terminal peak load operating period, the terminal within the positioning terminal peak load operating period
The weighted value of temperature data is less than or equal to the weighted value of the terminal temperature data in positioning terminal rated operation run the period.
5. control method according to claim 4, which is characterized in that the positioning terminal booting period is that positioning terminal is rigid
Power stability after booting improves the period.
6. control method according to claim 5, which is characterized in that the record location within the positioning terminal booting period
The difference of the terminal temperature data and its transient temperature data of terminal reduces if the amplitude of difference variation, which is more than, is stirred setting value
The instantaneous power of the positioning terminal improves speed.
7. control method according to claim 1, which is characterized in that the terminal has the air outlet towards up-draught, institute
State the lower section that temperature sensor is located at the air outlet.
8. control method according to claim 1, which is characterized in that including the locating alarm that is arranged by terminal and
The inspection alarm being arranged by the temperature sensor, the locating alarm controlled connection are described in the control host
Check alarm controlled connection in the measurement host.
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| CN201810049375.5A CN108361910B (en) | 2018-01-18 | 2018-01-18 | Control method of central air-conditioning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109307350A (en) * | 2018-08-17 | 2019-02-05 | 佛山市澳霆环境设备制造有限公司 | More dehumidification equipment cooperative control systems |
| CN110750413A (en) * | 2019-09-06 | 2020-02-04 | 深圳平安通信科技有限公司 | Multi-machine room temperature alarm method and device and storage medium |
| CN114623570A (en) * | 2022-02-11 | 2022-06-14 | 武汉中电节能有限公司 | Method for calculating instantaneous refrigerating power of air conditioner refrigerating host |
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| CN105318500A (en) * | 2015-10-13 | 2016-02-10 | 方颖 | Building energy resource control and subentry metering system |
| CN106839266A (en) * | 2016-12-23 | 2017-06-13 | 新智能源***控制有限责任公司 | Based on the water supply variable temperature control system that air-conditioning load rate and comfort level are fed back |
| CN206771647U (en) * | 2017-04-28 | 2017-12-19 | 上海源控自动化技术有限公司 | A kind of temperature master control device |
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| CN109307350A (en) * | 2018-08-17 | 2019-02-05 | 佛山市澳霆环境设备制造有限公司 | More dehumidification equipment cooperative control systems |
| CN109307350B (en) * | 2018-08-17 | 2020-12-04 | 佛山市澳霆环境设备制造有限公司 | Multi-dehumidification equipment cooperative control system |
| CN110750413A (en) * | 2019-09-06 | 2020-02-04 | 深圳平安通信科技有限公司 | Multi-machine room temperature alarm method and device and storage medium |
| CN114623570A (en) * | 2022-02-11 | 2022-06-14 | 武汉中电节能有限公司 | Method for calculating instantaneous refrigerating power of air conditioner refrigerating host |
| CN114623570B (en) * | 2022-02-11 | 2023-07-21 | 武汉中电节能有限公司 | Method for calculating instantaneous refrigeration power of air conditioner refrigeration host |
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Effective date of registration: 20231212 Address after: 210000 South of Road 19, Zhetang Planning, Lishui Economic Development Zone, Nanjing, Jiangsu Province Patentee after: Lantu (Nanjing) Environmental Technology Co.,Ltd. Address before: 201800 I-97, No. 1255, Huyi Road, Jiading District, Shanghai Patentee before: SHANGHAI GUANGLAN ELECTROMECHANICAL EQUIPMENT CO.,LTD. |