CN107656438A - Control method, control device, storage medium and equipment - Google Patents
Control method, control device, storage medium and equipment Download PDFInfo
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- CN107656438A CN107656438A CN201710793614.3A CN201710793614A CN107656438A CN 107656438 A CN107656438 A CN 107656438A CN 201710793614 A CN201710793614 A CN 201710793614A CN 107656438 A CN107656438 A CN 107656438A
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- 238000000034 method Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 175
- 230000006870 function Effects 0.000 claims description 29
- 238000004378 air conditioning Methods 0.000 claims description 28
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
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- 239000000463 material Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
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Abstract
The invention discloses a control method, a control device, a storage medium and equipment, wherein the method comprises the following steps: setting a parameter to be controlled as a configurable reference object and/or setting a component to be controlled as a configurable control object; selecting a current reference object from the reference objects and/or selecting a current control object from the control objects according to engineering requirements; and controlling the current reference object by adjusting the component to be controlled or the current control object. The scheme of the invention can overcome the defects of poor precision, poor flexibility, poor universality and the like in the prior art, and has the beneficial effects of good precision, good flexibility and good universality.
Description
Technical Field
The invention belongs to the technical field of controllers, and particularly relates to a control method, a control device, a storage medium and equipment, in particular to a control method of a coil water valve, a device corresponding to the method, a computer-readable form storage medium storing instructions of the method and equipment capable of executing the instructions of the method.
Background
The coil pipe water valve is mainly used in a unit at the tail end of a heating, ventilating and air conditioning system, provides cold and heat sources for building systems (such as hotels, office buildings and the like), and finally sends fresh air into a building room through fan equipment. Therefore, the control of the coil water valve is very important, and the temperature comfort of a user is directly related.
For the regulation of the air supply temperature, a coil water valve plays a main role in the whole air conditioning system, but the control mode and the control device of the coil water valve are independent at present, the reference object during temperature control is single, the control object is also single, and the universality of the overall control is not facilitated.
In the prior art, the defects of poor precision, poor flexibility, poor universality and the like exist.
Disclosure of Invention
The invention aims to provide a control method, a control device, a storage medium and control equipment aiming at the defects, so as to solve the problem of poor control accuracy caused by single reference object of a coil water valve temperature control device in the prior art and achieve the effect of good accuracy.
The invention provides a control method, which comprises the following steps: setting a parameter to be controlled as a configurable reference object and/or setting a component to be controlled as a configurable control object; selecting a current reference object from the reference objects and/or selecting a current control object from the control objects according to engineering requirements; and controlling the current reference object by adjusting the component to be controlled or the current control object.
Optionally, selecting a current control object from the control objects includes: determining at least one of a pattern function, a number and a channel of a required control object based on the engineering requirement; and selecting the required control object from the control objects as the current control object.
Optionally, the parameter to be controlled includes: at least one of temperature, humidity, air volume and air pressure; accordingly, the reference object comprises: at least one of air supply temperature and humidity, fresh air temperature and humidity, indoor temperature and humidity, air supply volume, air supply pressure, fresh air volume and fresh air pressure; and/or, the control object, comprising: at least one of a coil water valve of at least one of an air conditioning system, a water heater, an air purifier and a sauna system and a pipeline air valve of an air conditioning air system; and/or, the pattern functions, including: at least one of an analog type valve and an on-off type valve; wherein, pipeline blast gate includes: at least one of an air supply valve, an air return valve and a fresh air valve; wherein the on-off valve comprises: at least one of no feedback valve, an open to position feedback valve, a closed to position feedback valve, and an open to position and closed to position feedback valve; and/or, the number, comprising: one or more of said analog valves, and/or one or more of said on-off valves; and/or, the channel, comprising: and at least one of the analog quantity of the analog type valve and/or the control signal and the feedback signal of the switching quantity of the switch type valve is an I/O channel on the setting controller.
Optionally, adjusting the component to be controlled or the current control object includes: acquiring a current value of the current reference object; determining a difference between the current value and a set value; and according to the difference, the set control quantity of the component to be controlled or the current control object is adaptively adjusted so as to realize the control of the current reference object.
Optionally, adapting to adjust the set control amount of the component to be controlled or the current control object includes: at least carrying out adaptive adjustment on the set control quantity of the current control object through any one of a slope control algorithm, a PID control algorithm, a return difference control algorithm and a fuzzy PID control algorithm; wherein, the set value comprises: at least one of a set control temperature, a set control humidity; and/or, the setting of the control amount includes: and the opening degree of at least one of the coil water valve and the pipeline air valve.
Optionally, the method further comprises: when the number of the control objects is more than two groups, the reference object corresponding to any group of the control objects is associated with other groups of the control objects, so that the joint control of the reference objects corresponding to more than two groups of the control objects is realized through the joint regulation of more than two groups of the control objects; and/or when the control object is configured with an I/O channel, if any port of the control object on the engineering fails, configuring a reserved I/O channel for the port to continue to control the control object; and/or, pre-configuring the reference object and/or the control object to select a current reference object from the pre-configured reference objects and/or a current control object from the pre-configured control objects according to engineering requirements; and/or when any port of the control object on the engineering fails, initiating a prompt; and/or displaying at least one of the current reference object and the current control object.
In accordance with the above method, another aspect of the present invention provides a control apparatus, comprising: the setting unit is used for setting the parameters to be controlled as configurable reference objects and/or setting the components to be controlled as configurable control objects; the selection unit is used for selecting a current reference object from the reference objects and/or selecting a current control object from the control objects according to engineering requirements; and the control unit is used for realizing the control of the current reference object by adjusting the component to be controlled or the current control object.
Optionally, the selecting unit selects a current control object from the control objects, and specifically includes: determining at least one of a pattern function, a number and a channel of a required control object based on the engineering requirement; and selecting the required control object from the control objects as the current control object.
Optionally, the parameter to be controlled includes: at least one of temperature, humidity, air volume and air pressure; accordingly, the reference object comprises: at least one of air supply temperature and humidity, fresh air temperature and humidity, indoor temperature and humidity, air supply volume, air supply pressure, fresh air volume and fresh air pressure; and/or, the control object, comprising: at least one of a coil water valve of at least one of an air conditioning system, a water heater, an air purifier and a sauna system and a pipeline air valve of an air conditioning air system; wherein, pipeline blast gate includes: at least one of an air supply valve, an air return valve and a fresh air valve; and/or, the pattern functions, including: at least one of an analog type valve and an on-off type valve; wherein the on-off valve comprises: at least one of no feedback valve, an open to position feedback valve, a closed to position feedback valve, and an open to position and closed to position feedback valve; and/or, the number, comprising: at least one of the analog type valve and the on-off type valve; one or more of said analog-type valves, and/or one or more of said on-off-type valves and/or said channels, comprising: and at least one of the analog quantity of the analog type valve and/or the control signal and the feedback signal of the switching quantity of the switch type valve is an I/O channel on the setting controller.
Optionally, the adjusting, by the control unit, the component to be controlled or the current control object specifically includes: acquiring a current value of the current reference object; determining a difference between the current value and a set value; and according to the difference, the set control quantity of the component to be controlled or the current control object is adaptively adjusted so as to realize the control of the current reference object.
Optionally, the adapting of the control unit to adjust the set control amount of the component to be controlled or the current control object specifically includes: at least carrying out adaptive adjustment on the set control quantity of the current control object through any one of a slope control algorithm, a PID control algorithm, a return difference control algorithm and a fuzzy PID control algorithm; wherein, the set value comprises: at least one of a set control temperature, a set control humidity; and/or, the setting of the control amount includes: and the opening degree of at least one of the coil water valve and the pipeline air valve.
Optionally, the method further comprises: the control unit is further configured to, when the number of the control objects is two or more, associate a reference object corresponding to any one group of the control objects with the other groups of the control objects, so as to implement joint control of the reference objects corresponding to the two or more groups of the control objects by joint adjustment of the two or more groups of the control objects; and/or, the control unit is further configured to, when the control object is configured with an I/O channel, configure a reserved I/O channel for any port of the control object on the engineering to continue to control the control object if the port fails; and/or the setting unit is further configured to pre-configure the reference object and/or the control object, so that the selection unit selects a current reference object from the pre-configured reference objects and/or selects a current control object from the pre-configured control objects according to engineering requirements; and/or the control unit is also used for initiating prompt when any port of the control object on the project is in fault; and/or the control unit is further configured to display at least one of the current reference object and the current control object.
In accordance with the above method, another aspect of the present invention provides a storage medium, comprising: a plurality of instructions are stored in the storage device; the instructions are used for loading and executing the control method by the processor.
In accordance with the above method or apparatus, a further aspect of the present invention provides an apparatus comprising: a processor for executing a plurality of instructions; a memory to store a plurality of instructions; wherein the plurality of instructions are stored by the memory, and loaded and executed by the processor to perform the control method; alternatively, the control device described above.
Optionally, the apparatus, comprises: at least one of an air conditioning system, a water heater, an air purifier, and a sauna system.
The scheme of the invention takes the temperature target as a configurable reference object, such as: the temperature of the air supply, the fresh air, the return air, the indoor temperature and the indoor temperature can be selected, the temperatures of different positions can be set as references according to engineering requirements, and the opening of the coil pipe water valve is controlled and adjusted according to a corresponding algorithm, so that the temperature can be accurately controlled.
Furthermore, according to the scheme of the invention, the coil water valve is a configurable control object, so that the parameters of the coil water valve, such as type functions, quantity, channels and the like, can be correspondingly configured. The temperature control device and the control mode thereof can meet the control requirement on most coil water valves to the greatest extent, solve the problem that the current coil water valve temperature control device has a single control object, greatly save the time of program development and later maintenance and improve the use flexibility.
Furthermore, according to the scheme of the invention, different objects can be automatically selected as references (such as air supply temperature and humidity, fresh air temperature and humidity, return air temperature and humidity, indoor temperature and humidity and the like) according to actual environmental requirements through the temperature control method and device of the coil water valve, and meanwhile, different types of coil water valves (such as an analog water valve and a switch type water valve) can be controlled, so that the problem that the reference object and the control object of the conventional coil water valve temperature control device are single is solved, and the flexibility of water valve control and use can be greatly improved.
Furthermore, the scheme of the invention divides the control of the coil water valve into a plurality of configurable modules by utilizing the modularized programming thinking, thereby improving the generalization degree of the controller and meeting the requirements of different customers to the maximum extent.
Therefore, according to the scheme of the invention, the temperature target is used as a configurable reference object, the reference object is set according to engineering requirements, and the control on the reference object is realized by controlling the opening degree of the coil water valve; the problem of among the prior art coil pipe water valve temperature control device reference object single lead to the control precision poor is solved to, overcome among the prior art precision poor, the poor and poor defect of commonality, realize that the precision is good, the flexibility is good and the good beneficial effect of commonality.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating an embodiment of a control method according to the present invention;
FIG. 2 is a schematic flow chart illustrating one embodiment of selecting a current control object from the control objects according to the method of the present invention;
FIG. 3 is a schematic flow chart illustrating an embodiment of adjusting the component to be controlled or the current control object according to the method of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of a control device according to the present invention;
FIG. 5 is a schematic diagram of the control principle of an embodiment of the apparatus of the present invention;
fig. 6 is a schematic control diagram of another embodiment of the apparatus of the present invention.
The reference numbers in the embodiments of the present invention are as follows, in combination with the accompanying drawings:
102-a setting unit; 104-a selection unit; 106-control unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment, a coiled water valve control method may include: the sensor type is fixed, and only the sensor specified in design can be used; the reference object is fixed, and only the object specified in design can be used; the type of the water valve is fixed, and only the water valve with the designated type in design can be used.
According to an embodiment of the present invention, a control method is provided, as shown in fig. 1, which is a schematic flow chart of an embodiment of the method of the present invention. The control method may include:
at step S110, a parameter to be controlled (e.g., a temperature target) is set as a configurable reference object, and/or a component to be controlled (e.g., a coil water valve, a water valve in an air conditioning system pipeline, etc.) is set as a configurable control object.
For example: the temperature target is taken as a configurable reference object, such as: the air supply temperature and humidity, the fresh air temperature and humidity, the return air temperature and humidity, the indoor temperature and humidity and the like can be selected.
For example: the coil water valve is a configurable control object, and parameters such as type functions, quantity, channels and the like of the coil water valve can be correspondingly configured.
For example: the modular programming thinking is utilized to divide the control of the coil water valve into a plurality of configurable modules, so that the generalization degree of the controller is improved, and the requirements of different customers are met to the greatest extent.
Optionally, the parameter to be controlled may include: at least one of temperature, humidity, air volume and air pressure.
Accordingly, the reference object may include: at least one of air supply temperature and humidity, fresh air temperature and humidity, indoor temperature and humidity, air supply volume, air supply pressure, fresh air volume and fresh air pressure.
For example: when the parameter to be controlled is the temperature target of the coil water valve, the current reference object can be the air supply temperature, the air return temperature, the indoor temperature and the like of the coil water valve.
For example: when the control object can comprise a water valve and an air valve, the parameters to be controlled can comprise: temperature, humidity, air volume, air pressure, etc.
Optionally, the control object may include: at least one of a coil water valve of at least one of an air conditioning system, a water heater, an air purifier and a sauna system and a pipeline air valve of an air conditioning air system. Wherein, pipeline blast gate includes: at least one of an air supply valve, an air return valve and a fresh air valve.
For example: the control idea of the scheme of the invention is not limited to the control of the coil water valve, and loads with the same property can be controlled by the idea. For example: such as an air valve (e.g., a blast valve, a return valve, a fresh air valve) in a pipeline of an air conditioning system.
Therefore, the universality and flexibility of control can be improved through the reference objects and the control objects in various forms.
At step S120, a current reference object is selected from the reference objects and/or a current control object is selected from the control objects according to engineering requirements.
For example: different objects can be selected as references (such as air supply temperature and humidity, fresh air temperature and humidity, return air temperature and humidity, indoor temperature and humidity and the like) according to the actual environment requirements. For example: setting the temperatures of different positions as references according to engineering requirements can include: for example, in a hospital operating room, accurate temperature control is required, and indoor temperature can be selected as a control object; if a production workshop needs rough temperature control, the return air temperature can be selected as a control object; for example, the fresh air unit adjusts the fresh air volume and the temperature, and can select the air supply temperature as a control object.
For example: the control of different types of coil water valves (such as an analog water valve and a switch type water valve) can be realized. For example: according to the actual engineering requirement, the selection of the proportional water valve or the switch water valve can comprise the following steps: selecting a proportional water valve in occasions requiring precise temperature control, such as an operating room, a precision workshop and the like; on the occasions of general warehouses, workshops and the like, a switch type water valve can be selected; and so on.
For example: when the parameter to be controlled is the temperature target of the coil water valve, the current reference object can be the air supply temperature, the air return temperature, the indoor temperature and the like of the coil water valve.
In an alternative example, a specific process of selecting the current control object from the control objects in step S120 may be further described with reference to a flowchart of an embodiment of selecting the current control object from the control objects in the method of the present invention shown in fig. 2.
Step S210, based on the engineering requirement, at least one of the type function, the number and the channel of the required control object is determined.
For example: and correspondingly configuring parameters such as type functions, quantity, channels and the like.
Optionally, the pattern function may include: at least one of an analog type valve and an on-off type valve.
For example: the functional type is as follows: the valve can be configured into an analog water valve and a switch water valve according to the control precision requirement.
Wherein the on-off type valve may include: at least one of no feedback valve, an open to position feedback valve, a closed to position feedback valve, an open to position and a closed to position feedback valve.
For example: the control object, namely the coil water valve, can select a proportional water valve or a switch type water valve according to the actual engineering requirements, and the switch type coil water valve comprises no feedback, feedback with switch-on-position, feedback with switch-off-position, feedback with switch-on-position and switch-off-position and the like.
Optionally, the number may include: more than one said analogue type valve, and/or more than one said on-off type valve.
For example: quantity: the number of the water valves can be configured to be 1, 2 or more according to engineering requirements.
Optionally, the channel may include: and at least one of the analog quantity of the analog type valve and/or the control signal and the feedback signal of the switching quantity of the switch type valve is an I/O channel on the setting controller.
For example: the IO channel of the analog quantity or switching value control and feedback signal of the water valve on the controller hardware can be configured according to the requirement.
Therefore, the reliability and the accuracy of control can be improved by configuring and selecting multiple aspects of the control object.
Step S220, selecting the control object from the control objects as the current control object.
For example: and setting the temperatures of different positions as reference according to engineering requirements.
Therefore, the coil water valve is a configurable control object, and the current control object is selected, so that the control requirements of most coil water valves can be met to the greatest extent, the problem that the control object of the conventional coil water valve temperature control device is single is solved, the time for program development and later maintenance can be greatly saved, and the use flexibility is improved.
At step S130, the control of the current reference object is realized by adjusting the component to be controlled or the current control object.
For example: the control mode and the device of the coil water valve have strong universality and can be used for controlling various coil water valves; mainly including selection of reference objects, configuration of control objects, and the like.
Therefore, the current control object and the current reference object which are matched with engineering requirements are selected based on the configured control object and the reference object, and then the current reference object is controlled by adjusting the component to be controlled or the current control object, so that the universality and the reliability of the control reference object based on the control object are enhanced, the problem that the reference object and the control object are single in the temperature control of the existing coil water valve is solved, and the flexibility of the control use of the water valve can be greatly improved.
In an alternative example, a specific process of adjusting the component to be controlled or the current control object in step S130 may be further described with reference to a flowchart of an embodiment of adjusting the component to be controlled or the current control object in the method of the present invention shown in fig. 3.
Step S310, obtaining a current value of the current reference object.
In step S320, a difference between the current value and a set value (e.g., a set control temperature) is determined.
And step S330, adapting and adjusting the component to be controlled (such as a coil water valve) or the set control quantity of the current control object (such as the opening degree of the coil water valve) according to the difference value so as to realize the control of the current reference object.
For example: controlling the current reference object may include: taking a parameter to be controlled (such as a temperature target) as a configurable reference object, and selecting a current reference object from the reference objects which are configured in advance according to engineering requirements. A difference between the current reference object and a set value (e.g., a set control temperature) is determined. And adjusting the set control quantity (such as the opening degree of a coil water valve) of a component to be controlled (such as the coil water valve, a water valve in an air conditioning system pipeline and the like) according to the difference value so as to realize the control of the current reference object.
For example: the part to be controlled (such as a coil water valve, a water valve in an air conditioning system pipeline and the like) is used as a configurable control object. Controlling the current reference object may further include: and selecting a current control object (such as an analog water valve, a switch water valve and the like) from the pre-configured control objects according to engineering requirements. Adjusting the set control amount of the current control target.
For example: the reference object, namely the temperature target, can select return air temperature, air supply temperature, indoor temperature and the like as the temperature target according to actual engineering requirements, compare the temperature target with the control temperature, and control the coil water valve according to the temperature difference between the return air temperature, the air supply temperature and the indoor temperature.
For example: controlling the coil water valve according to a temperature difference between the two may include: and acquiring the temperature value of the temperature target object in real time, comparing the temperature value with the set control temperature, and calculating by adopting the corresponding algorithm to control the water valve.
Therefore, the set control quantity of the control object is adjusted based on the corresponding algorithm according to the difference value between the current value and the set value of the reference object, the control mode is simple and convenient, and the control reliability is high.
Optionally, the adapting and adjusting the set control amount of the component to be controlled or the current control object in step S330 may include: and at least carrying out adaptive adjustment on the set control quantity of the current control object through any one of a slope control algorithm, a PID control algorithm, a return difference control algorithm and a fuzzy PID control algorithm.
For example: the proportional valve can be controlled according to a mature PID algorithm, and the switch valve can be controlled according to a target temperature difference value.
For example: and controlling and adjusting the opening of the coil water valve according to a corresponding algorithm so as to further achieve accurate control on the temperature. Wherein the corresponding algorithm comprises: a ramp control algorithm, a PID control algorithm, a back-error control algorithm, a fuzzy PID control algorithm, and the like.
Wherein, the set value may include: at least one of a set control temperature, a set control humidity; and/or, the setting the control amount may include: and the opening degree of at least one of the coil water valve and the pipeline air valve.
Therefore, through various algorithms, the flexibility and the universality of control over the control object are improved.
In an alternative embodiment, the method may further include: and when the number of the control objects is more than two groups, associating the reference object corresponding to any group of the control objects with other groups of the control objects so as to realize the joint control of the reference objects corresponding to more than two groups of the control objects through the joint adjustment of more than two groups of the control objects.
For example: the parameters of each coil water valve can be independently set, and when a plurality of groups of coil water valves are configured in the unit, the parameters can be associated with other coil water valves in the unit, so that the parameters can be jointly controlled and the temperature can be accurately controlled. Such as: temperature target, PID parameters, etc. of the proportional coil water valve.
Therefore, through combined control, the control process is simplified, and the control convenience and reliability are improved.
In an alternative embodiment, the method may further include: when the control object is configured with an I/O channel, if any port of the control object on the engineering fails, configuring a reserved I/O channel for the port to continue to control the control object.
For example: the I/O channel of the coil water valve is configurable, for example, after a certain port on the engineering is damaged, only a reserved channel needs to be manually configured on the display panel, the control device and all engineering wiring do not need to be replaced, engineering debugging is greatly facilitated, and labor and material cost is saved.
Therefore, the fault port is configured through the reserved channel, so that control can be normally carried out, the reliability and safety of control can be improved, and humanization is good.
In an alternative embodiment, the method may further include: the reference objects and/or the control objects are preconfigured so as to select a current reference object from the preconfigured reference objects and/or a current control object from the preconfigured control objects according to engineering requirements.
Therefore, the efficiency and the accuracy of selecting the current reference object and the current control object can be improved through the pre-configuration of the reference object and the control object.
In an alternative embodiment, the method may further include: and when any port of the control object on the engineering fails, prompting is initiated.
Therefore, the prompt is given when the port fails, so that the working personnel can know the port condition and select whether to maintain, and the reliability of control and the timeliness of maintenance are improved.
In an alternative embodiment, the method may further include: and displaying at least one of the current reference object and the current control object.
Therefore, the current reference object and the current control object are displayed in a matching mode, so that the working personnel can visually and clearly know the current control condition, and the humanization is good.
Through a large number of tests, the technical scheme of the embodiment is adopted, and the temperature target is used as a configurable reference object, such as: the temperature of the air supply, the fresh air, the return air, the indoor temperature and the indoor temperature can be selected, the temperatures of different positions can be set as references according to engineering requirements, and the opening of the coil pipe water valve is controlled and adjusted according to a corresponding algorithm, so that the temperature can be accurately controlled.
According to an embodiment of the present invention, there is also provided a control apparatus corresponding to the control method. Referring to fig. 4, a schematic diagram of an embodiment of the apparatus of the present invention is shown. The control device may include: a setting unit 102, a selection unit 104 and a control unit 106.
In an alternative example, the setting unit 102 may be used to set a parameter to be controlled (e.g., a temperature target) as a configurable reference object and/or set a component to be controlled (e.g., a coil water valve, a water valve in a duct of an air conditioning system, etc.) as a configurable control object. The specific function and processing of the setting unit 102 are referred to in step S110.
For example: the temperature target is taken as a configurable reference object, such as: the air supply temperature and humidity, the fresh air temperature and humidity, the return air temperature and humidity, the indoor temperature and humidity and the like can be selected.
For example: the coil water valve is a configurable control object, and parameters such as type functions, quantity, channels and the like of the coil water valve can be correspondingly configured.
For example: the modular programming thinking is utilized to divide the control of the coil water valve into a plurality of configurable modules, so that the generalization degree of the controller is improved, and the requirements of different customers are met to the greatest extent.
Optionally, the parameter to be controlled may include: at least one of temperature, humidity, air volume and air pressure.
Accordingly, the reference object may include: at least one of air supply temperature and humidity, fresh air temperature and humidity, indoor temperature and humidity, air supply volume, air supply pressure, fresh air volume and fresh air pressure. For example: when the parameter to be controlled is the temperature target of the coil water valve, the current reference object can be the air supply temperature, the air return temperature, the indoor temperature and the like of the coil water valve.
Optionally, the control object may include: at least one of a coil water valve of at least one of an air conditioning system, a water heater, an air purifier and a sauna system and a pipeline air valve of an air conditioning air system. Wherein, pipeline blast gate includes: at least one of an air supply valve, an air return valve and a fresh air valve.
For example: the control idea of the scheme of the invention is not limited to the control of the coil water valve, and loads with the same property can be controlled by the idea. For example: such as an air valve (e.g., a blast valve, a return valve, a fresh air valve) in a pipeline of an air conditioning system.
Therefore, the universality and flexibility of control can be improved through the reference objects and the control objects in various forms.
In an optional example, the selecting unit 104 may be configured to select a current reference object from the reference objects and/or a current control object from the control objects according to engineering requirements. The specific function and processing of the selection unit 104 are shown in step S120.
For example: different objects can be selected as references (such as air supply temperature and humidity, fresh air temperature and humidity, return air temperature and humidity, indoor temperature and humidity and the like) according to the actual environment requirements. For example: setting the temperatures of different positions as references according to engineering requirements can include: for example, in a hospital operating room, accurate temperature control is required, and indoor temperature can be selected as a control object; if a production workshop needs rough temperature control, the return air temperature can be selected as a control object; for example, the fresh air unit adjusts the fresh air volume and the temperature, and can select the air supply temperature as a control object.
For example: the control of different types of coil water valves (such as an analog water valve and a switch type water valve) can be realized. For example: according to the actual engineering requirement, the selection of the proportional water valve or the switch water valve can comprise the following steps: selecting a proportional water valve in occasions requiring precise temperature control, such as an operating room, a precision workshop and the like; on the occasions of general warehouses, workshops and the like, a switch type water valve can be selected; and so on.
For example: when the parameter to be controlled is the temperature target of the coil water valve, the current reference object can be the air supply temperature, the air return temperature, the indoor temperature and the like of the coil water valve.
Optionally, the selecting unit 104 selects a current control object from the control objects, which may specifically include: based on the engineering requirements, at least one of a pattern function, a number, a channel of a desired control object is determined. The specific function and processing of the selection unit 104 are also referred to in step S210.
For example: and correspondingly configuring parameters such as type functions, quantity, channels and the like.
More optionally, the pattern function may include: at least one of an analog type valve and an on-off type valve.
For example: the functional type is as follows: the valve can be configured into an analog water valve and a switch water valve according to the control precision requirement.
Wherein the on-off type valve may include: at least one of no feedback valve, an open to position feedback valve, a closed to position feedback valve, an open to position and a closed to position feedback valve.
For example: the control object, namely the coil water valve, can select a proportional water valve or a switch type water valve according to the actual engineering requirements, and the switch type coil water valve comprises no feedback, feedback with switch-on-position, feedback with switch-off-position, feedback with switch-on-position and switch-off-position and the like.
More optionally, the number may include: more than one said analogue type valve, and/or more than one said on-off type valve.
For example: quantity: the number of the water valves can be configured to be 1, 2 or more according to engineering requirements.
More optionally, the channel may include: and at least one of the analog quantity of the analog type valve and/or the control signal and the feedback signal of the switching quantity of the switch type valve is an I/O channel on the setting controller.
For example: the IO channel of the analog quantity or switching value control and feedback signal of the water valve on the controller hardware can be configured according to the requirement.
Therefore, the reliability and the accuracy of control can be improved by configuring and selecting multiple aspects of the control object.
Optionally, the selecting unit 104 selects a current control object from the control objects, and may specifically include: and selecting the required control object from the control objects as the current control object. The specific function and processing of the selection unit 104 are also referred to in step S220.
For example: and setting the temperatures of different positions as reference according to engineering requirements.
Therefore, the coil water valve is a configurable control object, and the current control object is selected, so that the control requirements of most coil water valves can be met to the greatest extent, the problem that the control object of the conventional coil water valve temperature control device is single is solved, the time for program development and later maintenance can be greatly saved, and the use flexibility is improved.
In an optional example, the control unit 106 may be configured to implement control over the current reference object by adjusting the component to be controlled or the current control object. The specific function and processing of the control unit 106 are shown in step S130.
For example: the control mode and the device of the coil water valve have strong universality and can be used for controlling various coil water valves; mainly including selection of reference objects, configuration of control objects, and the like.
Therefore, the current control object and the current reference object which are matched with engineering requirements are selected based on the configured control object and the reference object, and then the current reference object is controlled by adjusting the component to be controlled or the current control object, so that the universality and the reliability of the control reference object based on the control object are enhanced, the problem that the reference object and the control object are single in the temperature control of the existing coil water valve is solved, and the flexibility of the control use of the water valve can be greatly improved.
Optionally, the adjusting, by the control unit 106, the component to be controlled or the current control object may specifically include: and acquiring the current value of the current reference object. The specific functions and processes of the control unit 106 are also referred to in step S310.
Optionally, the adjusting of the component to be controlled or the current control object by the control unit 106 may specifically include: a difference between the current value and a set point (e.g., a set control temperature) is determined. The specific functions and processes of the control unit 106 are also referred to in step S320.
Optionally, the adjusting of the component to be controlled or the current control object by the control unit 106 may specifically include: and according to the difference, the set control quantity (such as the opening degree of a coil water valve) of the component to be controlled (such as the coil water valve) or the current control object is adjusted in an adaptive mode so as to realize the control of the current reference object. The specific function and processing of the control unit 106 are also referred to in step S330.
For example: controlling the current reference object may include: taking a parameter to be controlled (such as a temperature target) as a configurable reference object, and selecting a current reference object from the reference objects which are configured in advance according to engineering requirements. A difference between the current reference object and a set value (e.g., a set control temperature) is determined. And adjusting the set control quantity (such as the opening degree of a coil water valve) of a component to be controlled (such as the coil water valve, a water valve in an air conditioning system pipeline and the like) according to the difference value so as to realize the control of the current reference object.
For example: the part to be controlled (such as a coil water valve, a water valve in an air conditioning system pipeline and the like) is used as a configurable control object. Controlling the current reference object may further include: and selecting a current control object (such as an analog water valve, a switch water valve and the like) from the pre-configured control objects according to engineering requirements. Adjusting the set control amount of the current control target.
For example: the reference object, namely the temperature target, can select return air temperature, air supply temperature, indoor temperature and the like as the temperature target according to actual engineering requirements, compare the temperature target with the control temperature, and control the coil water valve according to the temperature difference between the return air temperature, the air supply temperature and the indoor temperature.
For example: controlling the coil water valve according to a temperature difference between the two may include: and acquiring the temperature value of the temperature target object in real time, comparing the temperature value with the set control temperature, and calculating by adopting the corresponding algorithm to control the water valve.
Therefore, the set control quantity of the control object is adjusted based on the corresponding algorithm according to the difference value between the current value and the set value of the reference object, the control mode is simple and convenient, and the control reliability is high.
More optionally, the adapting the control unit 106 adjusts the set control amount of the component to be controlled or the current control object, which may specifically include: and at least carrying out adaptive adjustment on the set control quantity of the current control object through any one of a slope control algorithm, a PID control algorithm, a return difference control algorithm and a fuzzy PID control algorithm.
For example: the proportional valve can be controlled according to a mature PID algorithm, and the switch valve can be controlled according to a target temperature difference value.
For example: and controlling and adjusting the opening of the coil water valve according to a corresponding algorithm so as to further achieve accurate control on the temperature. Wherein the corresponding algorithm comprises: a ramp control algorithm, a PID control algorithm, a back-error control algorithm, a fuzzy PID control algorithm, and the like.
Wherein, the set value may include: at least one of a set control temperature, a set control humidity; and/or, the setting the control amount may include: and the opening degree of at least one of the coil water valve and the pipeline air valve.
Therefore, through various algorithms, the flexibility and the universality of control over the control object are improved.
In an optional embodiment, the control unit 106 may be further configured to, when the number of the control objects is two or more groups, associate a reference object corresponding to any group of the control objects with another group of the control objects, so as to implement joint control on the reference objects corresponding to the two or more groups of the control objects by joint adjustment on the two or more groups of the control objects.
For example: the parameters of each coil water valve can be independently set, and when a plurality of groups of coil water valves are configured in the unit, the parameters can be associated with other coil water valves in the unit, so that the parameters can be jointly controlled and the temperature can be accurately controlled. Such as: temperature target, PID parameters, etc. of the proportional coil water valve.
Therefore, through combined control, the control process is simplified, and the control convenience and reliability are improved.
In an optional embodiment, the control unit 106 may be further configured to, when the control object is configured with an I/O channel, configure a reserved I/O channel for any port of the control object on the engineering to continue to control the control object if the port fails.
For example: the I/O channel of the coil water valve is configurable, for example, after a certain port on the engineering is damaged, only a reserved channel needs to be manually configured on the display panel, the control device and all engineering wiring do not need to be replaced, engineering debugging is greatly facilitated, and labor and material cost is saved.
Therefore, the fault port is configured through the reserved channel, so that control can be normally carried out, the reliability and safety of control can be improved, and humanization is good.
In an optional embodiment, the setting unit 102 may be further configured to pre-configure the reference objects and/or the control objects, so that the selecting unit 104 selects current reference objects from the pre-configured reference objects and/or current control objects from the pre-configured control objects according to engineering requirements.
Therefore, the efficiency and the accuracy of selecting the current reference object and the current control object can be improved through the pre-configuration of the reference object and the control object.
In an optional embodiment, the control unit 106 may be further configured to initiate a prompt when any port of the control object on the project fails.
Therefore, the prompt is given when the port fails, so that the working personnel can know the port condition and select whether to maintain, and the reliability of control and the timeliness of maintenance are improved.
In an optional embodiment, the control unit 106 may be further configured to display at least one of the current reference object and the current control object.
Therefore, the current reference object and the current control object are displayed in a matching mode, so that the working personnel can visually and clearly know the current control condition, and the humanization is good.
Since the processes and functions implemented by the apparatus of this embodiment substantially correspond to the embodiments, principles and examples of the method shown in fig. 1 to 3, the description of this embodiment is not detailed, and reference may be made to the related descriptions in the foregoing embodiments, which are not repeated herein.
Through a large number of tests, the technical scheme of the invention can correspondingly configure the type function, the number, the channel and other parameters of the coil pipe water valve by using the configurable control object. The temperature control device and the control mode thereof can meet the control requirement on most coil water valves to the greatest extent, solve the problem that the current coil water valve temperature control device has a single control object, greatly save the time of program development and later maintenance and improve the use flexibility.
According to an embodiment of the present invention, there is also provided a storage medium corresponding to the control method. The storage medium may include: a plurality of instructions are stored in the storage device; the instructions are used for loading and executing the control method by the processor.
Since the processing and functions implemented by the storage medium of this embodiment substantially correspond to the embodiments, principles, and examples of the methods shown in fig. 1 to fig. 3, details are not described in the description of this embodiment, and reference may be made to the related descriptions in the foregoing embodiments, which are not described herein again.
Through a large number of tests, the technical scheme of the invention is adopted, different objects can be automatically selected as references (such as air supply temperature and humidity, fresh air temperature and humidity, return air temperature and humidity, indoor temperature and humidity and the like) according to actual environmental requirements through the coil water valve temperature control mode and device, different types of coil water valves (such as analog water valves and switch water valves) can be controlled, the problem that the reference object and the control object of the existing coil water valve temperature control device are single is solved, and the flexibility of water valve control and use can be greatly improved.
According to an embodiment of the present invention, there is also provided an apparatus corresponding to the control method or the control device. The apparatus may include: the control device described above; or a processor and a memory. A processor for executing a plurality of instructions; a memory to store a plurality of instructions.
Wherein the instructions are stored by the memory, and loaded by the processor and execute the control method.
Optionally, the apparatus, comprises: at least one of an air conditioning system, a water heater, an air purifier, and a sauna system.
The equipment is mainly suitable for an air conditioning system, and can be also applied to other process occasions needing to adjust the temperature and the air volume.
In an optional example, in the scheme of the invention, the control mode and the control device of the coil water valve of the equipment (such as an air conditioning system) have strong universality and can be used for controlling various coil water valves. It mainly includes selection of reference objects, configuration of control objects, etc.
Optionally, the reference object, i.e. the temperature target, may select the return air temperature, the supply air temperature, the indoor temperature, etc. as the temperature target according to the actual engineering requirement, compare with the control temperature, and control the coil water valve according to the temperature difference between them: the proportional valve can be controlled according to a mature PID algorithm, and the switch valve can be controlled according to a target temperature difference value. Because the control algorithm for the load is basically universal in the industry, is mature and stable, and is not discussed.
Wherein, set for the temperature of different positions as the reference according to the engineering needs, can include: for example, in a hospital operating room, accurate temperature control is required, and indoor temperature can be selected as a control object; if a production workshop needs rough temperature control, the return air temperature can be selected as a control object; for example, the fresh air unit adjusts the fresh air volume and the temperature, and can select the air supply temperature as a control object.
Wherein the control of the coil water valve according to the temperature difference between the two may include: and acquiring the temperature value of the temperature target object in real time, comparing the temperature value with the set control temperature, and calculating by adopting the corresponding algorithm to control the water valve.
Optionally, the control object, namely the coil water valve, may be a proportional water valve or a switch type water valve according to actual engineering requirements, and the switch type coil water valve includes no feedback, feedback with on-position, feedback with off-position, feedback with on-position and off-position, and the like.
Wherein, according to actual engineering needs, select proportion type water valve or on-off type water valve, can include: selecting a proportional water valve in occasions requiring precise temperature control, such as an operating room, a precision workshop and the like; on the occasions of general warehouses, workshops and the like, a switch type water valve can be selected; and so on.
In an optional example, the parameters of each coil water valve can be set independently, and when a plurality of groups of coil water valves are configured in the unit, the parameters can be associated with other coil water valves in the unit, so that the parameters can be controlled in a combined manner and the temperature can be controlled accurately. Such as: temperature target, PID parameters, etc. of the proportional coil water valve.
In an optional example, the I/O channel of the coil water valve is configurable, for example, after a certain port is damaged in a project, only a reserved channel needs to be manually configured on the display panel, and the control device and all project wiring do not need to be replaced, which greatly facilitates project debugging and saves labor and material costs.
In an alternative example, the control concept of the solution of the invention is not limited to the control of coil water valves, and loads of the same nature can be controlled using this concept.
For example: such as an air valve (e.g., a blast valve, a return valve, a fresh air valve) in a pipeline of an air conditioning system.
Since the processes and functions implemented by the device of this embodiment substantially correspond to the embodiments, principles and examples of the method shown in fig. 1 to fig. 3 or the apparatus shown in fig. 4, no details are given in the description of this embodiment, and reference may be made to the related descriptions in the foregoing embodiments, which are not repeated herein.
Through a large number of tests, the technical scheme of the invention divides the control of the coil water valve into a plurality of configurable modules by utilizing the modularized programming thinking, thereby improving the generalization degree of the controller and meeting the requirements of different customers to the greatest extent.
In summary, it is readily understood by those skilled in the art that the advantageous modes described above can be freely combined and superimposed without conflict.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (15)
1. A control method, comprising:
setting a parameter to be controlled as a configurable reference object and/or setting a component to be controlled as a configurable control object;
selecting a current reference object from the reference objects and/or selecting a current control object from the control objects according to engineering requirements;
and controlling the current reference object by adjusting the component to be controlled or the current control object.
2. The method of claim 1, wherein selecting a current control object from the control objects comprises:
determining at least one of a pattern function, a number and a channel of a required control object based on the engineering requirement;
and selecting the required control object from the control objects as the current control object.
3. The method of claim 2, wherein,
the parameters to be controlled comprise: at least one of temperature, humidity, air volume and air pressure;
accordingly, the reference object comprises: at least one of air supply temperature and humidity, fresh air temperature and humidity, indoor temperature and humidity, air supply volume, air supply pressure, fresh air volume and fresh air pressure;
and/or the presence of a gas in the gas,
the control object includes: at least one of a coil water valve of at least one of an air conditioning system, a water heater, an air purifier and a sauna system and a pipeline air valve of an air conditioning air system; wherein, pipeline blast gate includes: at least one of an air supply valve, an air return valve and a fresh air valve;
and/or the presence of a gas in the gas,
the pattern function includes: at least one of an analog type valve and an on-off type valve; wherein the on-off valve comprises: at least one of no feedback valve, an open to position feedback valve, a closed to position feedback valve, and an open to position and closed to position feedback valve; and/or the presence of a gas in the gas,
the number, including: one or more of said analog valves, and/or one or more of said on-off valves; and/or the presence of a gas in the gas,
the channel, comprising: and at least one of the analog quantity of the analog type valve and/or the control signal and the feedback signal of the switching quantity of the switch type valve is an I/O channel on the setting controller.
4. The method according to one of claims 1 to 3, wherein adjusting the component to be controlled or the current control object comprises:
acquiring a current value of the current reference object;
determining a difference between the current value and a set value;
and according to the difference, the set control quantity of the component to be controlled or the current control object is adaptively adjusted so as to realize the control of the current reference object.
5. The method according to claim 4, wherein adapting the set control amount of adjusting the component to be controlled or the current control object comprises:
at least carrying out adaptive adjustment on the set control quantity of the current control object through any one of a slope control algorithm, a PID control algorithm, a return difference control algorithm and a fuzzy PID control algorithm;
wherein,
the set value comprises: at least one of a set control temperature, a set control humidity; and/or the presence of a gas in the gas,
the setting of the control amount includes: and the opening degree of at least one of the coil water valve and the pipeline air valve.
6. The method of any one of claims 1-5, further comprising:
when the number of the control objects is more than two groups, the reference object corresponding to any group of the control objects is associated with other groups of the control objects, so that the joint control of the reference objects corresponding to more than two groups of the control objects is realized through the joint regulation of more than two groups of the control objects;
and/or the presence of a gas in the gas,
when the control object is configured with an I/O channel, if any port of the control object on the engineering fails, configuring a reserved I/O channel for the port to continue to control the control object;
and/or the presence of a gas in the gas,
pre-configuring the reference objects and/or the control objects to select current reference objects from the pre-configured reference objects and/or current control objects from the pre-configured control objects according to engineering requirements;
and/or the presence of a gas in the gas,
when any port of the control object on the engineering fails, prompting is initiated;
and/or the presence of a gas in the gas,
and displaying at least one of the current reference object and the current control object.
7. A control device, comprising:
the setting unit is used for setting the parameters to be controlled as configurable reference objects and/or setting the components to be controlled as configurable control objects;
the selection unit is used for selecting a current reference object from the reference objects and/or selecting a current control object from the control objects according to engineering requirements;
and the control unit is used for realizing the control of the current reference object by adjusting the component to be controlled or the current control object.
8. The apparatus according to claim 7, wherein the selecting unit selects a current control object from the control objects, specifically comprising:
determining at least one of a pattern function, a number and a channel of a required control object based on the engineering requirement;
and selecting the required control object from the control objects as the current control object.
9. The apparatus of claim 8, wherein,
the parameters to be controlled comprise: at least one of temperature, humidity, air volume and air pressure;
accordingly, the reference object comprises: at least one of air supply temperature and humidity, fresh air temperature and humidity, indoor temperature and humidity, air supply volume, air supply pressure, fresh air volume and fresh air pressure;
and/or the presence of a gas in the gas,
the control object includes: at least one of a coil water valve of at least one of an air conditioning system, a water heater, an air purifier and a sauna system and a pipeline air valve of an air conditioning air system; wherein, pipeline blast gate includes: at least one of an air supply valve, an air return valve and a fresh air valve;
and/or the presence of a gas in the gas,
the pattern function includes: at least one of an analog type valve and an on-off type valve; wherein the on-off valve comprises: at least one of no feedback valve, an open to position feedback valve, a closed to position feedback valve, and an open to position and closed to position feedback valve; and/or the presence of a gas in the gas,
the number, including: one or more of said analog valves, and/or one or more of said on-off valves; and/or the presence of a gas in the gas,
the channel, comprising: and at least one of the analog quantity of the analog type valve and/or the control signal and the feedback signal of the switching quantity of the switch type valve is an I/O channel on the setting controller.
10. The apparatus according to one of claims 7 to 9, wherein the control unit adjusts the component to be controlled or the current control object, specifically comprising:
acquiring a current value of the current reference object;
determining a difference between the current value and a set value;
and according to the difference, the set control quantity of the component to be controlled or the current control object is adaptively adjusted so as to realize the control of the current reference object.
11. The apparatus according to claim 10, wherein the control unit is adapted to adjust the set control amount of the component to be controlled or the current control object, and specifically comprises:
at least carrying out adaptive adjustment on the set control quantity of the current control object through any one of a slope control algorithm, a PID control algorithm, a return difference control algorithm and a fuzzy PID control algorithm;
wherein,
the set value comprises: at least one of a set control temperature, a set control humidity; and/or the presence of a gas in the gas,
the setting of the control amount includes: and the opening degree of at least one of the coil water valve and the pipeline air valve.
12. The apparatus of any of claims 7-11, further comprising:
the control unit is further configured to, when the number of the control objects is two or more, associate a reference object corresponding to any one group of the control objects with the other groups of the control objects, so as to implement joint control of the reference objects corresponding to the two or more groups of the control objects by joint adjustment of the two or more groups of the control objects;
and/or the presence of a gas in the gas,
the control unit is further configured to, when the control object is configured with an I/O channel, configure a reserved I/O channel for any port of the control object on the engineering to continue to control the control object if the port fails;
and/or the presence of a gas in the gas,
the setting unit is further used for pre-configuring the reference objects and/or the control objects so that the selection unit selects current reference objects from the pre-configured reference objects and/or selects current control objects from the pre-configured control objects according to engineering requirements;
and/or the presence of a gas in the gas,
the control unit is also used for initiating prompt when any port of the control object on the engineering fails;
and/or the presence of a gas in the gas,
the control unit is further configured to display at least one of the current reference object and the current control object.
13. A storage medium, comprising: a plurality of instructions are stored in the storage device; the plurality of instructions for being loaded by a processor and for performing the control method of any of claims 1 to 6.
14. An apparatus, comprising:
a processor for executing a plurality of instructions;
a memory to store a plurality of instructions;
wherein the plurality of instructions are for storage by the memory and for loading and execution by the processor of the control method of any of claims 1-6;
or,
a control device as claimed in any one of claims 7 to 12.
15. The apparatus of claim 14, wherein the apparatus comprises: at least one of an air conditioning system, a water heater, an air purifier, and a sauna system.
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| CN114183893A (en) * | 2021-12-17 | 2022-03-15 | 珠海格力电器股份有限公司 | Parameter adjusting method and air conditioner |
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| WO2015006777A2 (en) * | 2013-07-12 | 2015-01-15 | Karamanos John C | Fluid control measuring device |
| CN104374036A (en) * | 2013-08-14 | 2015-02-25 | 浙江盾安人工环境股份有限公司 | Control method of air conditioner and air conditioning unit |
| US20150178547A1 (en) * | 2013-12-23 | 2015-06-25 | Ahmed Abdullah BAHJAT | Apparatus and method for iris image analysis |
| CN105605684A (en) * | 2016-02-28 | 2016-05-25 | 广州市设计院 | Fan coil temperature control device for controlling opening degree of water valve based on return air temperature and air supply amount |
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| CN113639493A (en) * | 2021-08-13 | 2021-11-12 | 广东纽恩泰新能源科技发展有限公司 | Module control method of low-temperature air source heat pump system |
| CN113639493B (en) * | 2021-08-13 | 2023-04-14 | 广东纽恩泰新能源科技发展有限公司 | Module control method of low-temperature air source heat pump system |
| CN114183893A (en) * | 2021-12-17 | 2022-03-15 | 珠海格力电器股份有限公司 | Parameter adjusting method and air conditioner |
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