CN111059706A - Air conditioning unit operation protection method and device and controller - Google Patents
Air conditioning unit operation protection method and device and controller Download PDFInfo
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- CN111059706A CN111059706A CN201911250602.1A CN201911250602A CN111059706A CN 111059706 A CN111059706 A CN 111059706A CN 201911250602 A CN201911250602 A CN 201911250602A CN 111059706 A CN111059706 A CN 111059706A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000010977 unit operation Methods 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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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
- F24F11/38—Failure diagnosis
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The embodiment of the application provides an air conditioning unit operation protection method, an air conditioning unit operation protection device and a controller, and relates to the field of air conditioners; and when the next air conditioning unit is started, whether the current starting is executed is determined according to the state information of the components acquired in the last air conditioning unit stopping process, so that the hidden danger of unsafe starting caused by component faults is avoided, and the safety of the air conditioning unit during operation is improved.
Description
Technical Field
The application belongs to the field of air conditioners, and particularly relates to an air conditioning unit operation protection method, device and controller.
Background
The electrical part of the existing air conditioning assembly mainly comprises a main circuit (alternatively referred to as "power circuit") and a control circuit. The main loop is used for bearing the start, stop and operation of a load; the control loop is used for detecting analog quantity and switching value data at different nodes in the main loop and performing output control based on the data, for example, controlling the working states of components of the main loop, such as a contactor, a relay and the like, according to monitoring data so as to effectively detect unit faults and protect the units.
However, when a component used by the air conditioning unit has a problem, the component may be represented as a fault of a certain part of the unit, or the unit may not normally start up and operate without an obvious fault phenomenon, and even may damage the unit when the unit is forcibly started up.
Disclosure of Invention
In order to solve the problem that the operation of the air conditioning unit is unsafe due to the fault of components in the air conditioning unit at least to a certain extent, the application provides an air conditioning unit operation protection method, an air conditioning unit operation protection device and a controller, which are used for improving the safety of the air conditioning unit during operation.
In order to achieve the purpose, the following technical scheme is adopted in the application:
in a first aspect, an air conditioning unit operation protection method is provided, including:
collecting state information of components in an air conditioning unit in the shutdown process of the air conditioning unit;
and when the air conditioning unit is started, determining whether to execute the starting according to the state information of the components acquired in the last stopping process of the air conditioning unit.
In a second aspect, an air conditioning unit operation protection device is provided, which includes:
the information acquisition module is used for acquiring the state information of components in the air conditioning unit in the shutdown process of the air conditioning unit;
and the state control module is used for determining whether to execute the starting according to the state information of the components acquired in the last stopping process of the air conditioning unit when the air conditioning unit is started.
In a third aspect, a controller is provided for executing the air conditioning unit operation protection method.
According to the air conditioning unit operation protection method, the device and the controller provided by the embodiment of the invention, the state information of components in the air conditioning unit is collected in each shutdown process of the air conditioning unit; and when the next air conditioning unit is started, whether the current starting is executed is determined according to the state information of the components acquired in the last air conditioning unit stopping process, so that the hidden danger of unsafe starting caused by component faults is avoided, and the safety of the air conditioning unit during operation is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of an air conditioning unit operation protection method in the embodiment of the present application;
fig. 2 is a schematic structural diagram of an air conditioning unit operation protection device in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
An embodiment of the present invention provides an air conditioning unit operation protection method, as shown in fig. 1, the air conditioning unit operation protection method includes:
and S110, acquiring state information of components in the air conditioning unit in the shutdown process of the air conditioning unit.
Wherein the state information may include at least one of temperature information, humidity information, vibration information, and displacement information.
Specifically, sensors may be disposed near the positions of the components in the main loop of the air conditioning unit to form a component detection loop, so as to collect the state information of the components in the air conditioning unit through the component detection loops disposed in the air conditioning unit, that is, to obtain the state information of the components by reading the detection data of the sensors. For example, the temperature of the contactor contacts and the coil is read by a temperature sensor, the humidity near the component is read by a humidity sensor, the vibration expansion information of the component is read by a vibration sensor, and the contact distance information is read by a displacement sensor. When the sensors are actually arranged, the sensors with different functions can be set according to the relatively sensitive state information corresponding to each component.
Wherein, components and parts in this scheme can be intelligent components and parts, and this type of components and parts both contained the body part of components and parts, and supporting sensor module that has increased again, like including but not limited to temperature sampling part, current sampling, voltage sampling, data acquisition such as coil contact running state. Therefore, the state data of the components can be automatically acquired through the intelligent components without additionally arranging a sensor.
And S120, when the air conditioning unit is started, determining whether to execute the starting according to the state information of the components acquired in the last stopping process of the air conditioning unit.
Specifically, before the air conditioning unit is formally started, whether the conditions of the unit startup logic part are met or not can be read, and if the conditions are met, the state information of the components collected in the last air conditioning unit shutdown process is further read. The quality state of the current components and whether the current components break down or not can be judged by analyzing the state information of the components in the air conditioning unit, if the components are in good states and do not break down, the air conditioning unit can be started, otherwise, the air conditioning unit is prohibited from being started, so that the air conditioning unit is started under the condition that the components are safe, and the starting safety is improved.
Generally, the state information corresponding to each component in the air conditioning unit under the non-fault condition meets certain requirements, and according to different applicable application scenarios, the requirements such as normal startup and normal operation can be included. The requirements to be met by the state information of the components suitable for each application scene can be set by technicians according to experience, and specifically can be parameter indexes such as temperature, humidity, vibration, position and the like met by the components.
In a specific embodiment, if the state information of the components meets the requirement of normal startup of the air conditioning unit, the startup is determined to be executed; otherwise, the startup is determined to be forbidden. Therefore, the safety of the air conditioning unit after the air conditioning unit is started is ensured by quantitatively evaluating the safe starting condition of the air conditioning unit.
In a specific embodiment, after the start-up is determined to be forbidden, alarm information can be displayed, and the alarm information contains component information which does not meet the normal start-up requirement of the air conditioning unit, so that a technician can more visually know which component has potential safety hazard, and later maintenance is facilitated.
In a specific embodiment, in the operation process of the air conditioning unit, the state information of components in the air conditioning unit can also be collected; the specific acquisition process can still be realized by acquiring the detection data of the sensor based on the detection loop.
And determining whether to continue operating the air conditioning unit according to the state information of the components acquired in the operating process of the air conditioning unit.
Specifically, the quality state of the current components and the quality state of the current components can be judged and whether the current components and the current components break down are judged by analyzing the state information of the components and the components in the operation process of the air conditioning unit, if the components and the components are in good states and do not break down, the air conditioning unit can be determined to continue to operate, otherwise, the air conditioning unit is stopped to operate, the.
For example, according to different applicable application scenarios, the state parameter index to be reached by the component can be preset according to the requirement of normal operation. If the state information of the components detected in the operation process of the air conditioning unit meets the requirement of normal operation of the air conditioning unit, determining to continue operating the air conditioning unit; otherwise, the air conditioning unit is determined to be closed. Therefore, safety of the air conditioning unit in the operation process is ensured by quantitatively evaluating the safe operation conditions of the air conditioning unit.
In a specific embodiment, after confirming to close air conditioning unit, show alarm information, contain the components and parts information that does not satisfy air conditioning unit normal operating requirement in this alarm information to make technical staff more audio-visual understanding specifically which components and parts have the potential safety hazard, make things convenient for later stage maintenance.
In a specific embodiment, in the process of executing the steps of the method, the collected state information of the components in the air conditioning unit can be sorted and analyzed to obtain the safety condition information of the air conditioning unit and the reliability information of the components.
For example, if the collected state information of the components in the air conditioning unit is obtained by sorting and analyzing, and the state information of a plurality of components in the air conditioning unit does not meet the starting requirement or the normal operation requirement, it indicates that the air conditioning unit has a large potential safety hazard and needs to be maintained in a focused manner; and the reliability information of the corresponding component, such as the service life of the component, can be obtained by analyzing according to the state information of the component. The safety condition information of the air conditioning units and the reliability information of the components, which are obtained based on analysis, can predict the same type of air conditioning units and the components contained in the same type of air conditioning units in advance, so that technicians can take effective measures in advance to maintain the air conditioning units.
According to the operation protection method of the air conditioning unit, provided by the embodiment of the invention, the state information of components in the air conditioning unit is collected in the shutdown process of the air conditioning unit; and when the next air conditioning unit is started, whether the current starting is executed is determined according to the state information of the components acquired in the last air conditioning unit stopping process, so that the hidden danger of unsafe starting caused by component faults is avoided, and the safety of the air conditioning unit during operation is improved.
Example two
In order to implement the above method for protecting the operation of the air conditioning unit in a coordinated manner, an embodiment of the present invention provides an apparatus for protecting the operation of the air conditioning unit, as shown in fig. 2, the apparatus includes:
the information acquisition module 210 is used for acquiring state information of components in the air conditioning unit in the shutdown process of the air conditioning unit;
and the state control module 220 is configured to determine whether to execute the current startup according to the state information of the component acquired in the previous shutdown process of the air conditioning unit when the air conditioning unit is started up.
In an embodiment, the information collecting module 210 is specifically configured to collect state information of components in the air conditioning unit through a device detecting circuit disposed in the air conditioning unit, where the state information at least includes one of temperature information, humidity information, vibration information, and displacement information.
In a specific embodiment, the state control module 220 is specifically configured to determine to execute the current startup if the state information of the component meets the requirement of normal startup of the air conditioning unit; otherwise, the startup is determined to be forbidden.
In a specific embodiment, the state control module 220 is specifically configured to display an alarm message after the start-up of the air conditioning unit is determined to be prohibited, where the alarm message includes information about components that do not meet a normal start-up requirement of the air conditioning unit.
In a specific embodiment, the information collecting module 210 may be further configured to collect state information of components in the air conditioning unit during an operation process of the air conditioning unit;
the state control module 220 may further be configured to determine whether to continue to operate the air conditioning unit according to the state information of the components collected during the operation of the air conditioning unit.
In a specific embodiment, the state control module 220 is specifically configured to determine to continue operating the air conditioning unit if the state information of the component meets a requirement for normal operation of the air conditioning unit; otherwise, the air conditioning unit is determined to be closed.
In a specific embodiment, the state control module 220 may be specifically configured to display alarm information after determining to close the air conditioning unit, where the alarm information includes information about components that do not meet normal operation requirements of the air conditioning unit.
In a specific embodiment, the air conditioning unit operation protection device may further include: and the information analysis module is used for sorting and analyzing the acquired state information of the components in the air conditioning unit to obtain the safety condition information of the air conditioning unit and the reliability information of the components.
Further, the present embodiment also provides a controller, configured to execute any one of the air conditioning unit operation protection methods described above.
According to the air conditioning unit operation protection method, the device and the controller provided by the embodiment of the invention, the state information of components in the air conditioning unit is collected in each shutdown process of the air conditioning unit; and when the next air conditioning unit is started, whether the current starting is executed is determined according to the state information of the components acquired in the last air conditioning unit stopping process, so that the hidden danger of unsafe starting caused by component faults is avoided, and the safety of the air conditioning unit during operation is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as: represents modules, segments or portions of code which include one or more executable instructions for implementing specific logical functions or steps of a process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. An operation protection method for an air conditioning unit is characterized by comprising the following steps:
collecting state information of components in an air conditioning unit in the shutdown process of the air conditioning unit;
and when the air conditioning unit is started, determining whether to execute the starting according to the state information of the components acquired in the last stopping process of the air conditioning unit.
2. The method of claim 1, wherein the collecting status information of components in the air conditioning unit comprises:
the state information of components in the air conditioning unit is collected through a device detection loop arranged in the air conditioning unit, and the state information at least comprises one of temperature information, humidity information, vibration information and displacement information.
3. The method according to claim 1, wherein the determining whether to execute the current startup according to the state information of the components collected during the last shutdown of the air conditioning unit comprises:
if the state information of the components meets the requirement of normal starting of the air conditioning unit, determining to execute the starting; otherwise, the startup is determined to be forbidden.
4. The method of claim 3, further comprising:
and after the start-up is determined to be forbidden, displaying alarm information, wherein the alarm information contains component information which does not meet the normal start-up requirement of the air conditioning unit.
5. The method according to any one of claims 1-4, further comprising:
collecting state information of components in the air conditioning unit in the running process of the air conditioning unit;
and determining whether to continuously operate the air conditioning unit according to the state information of the components acquired in the operation process of the air conditioning unit.
6. The method of claim 5, wherein the determining whether to continue operating the air conditioning unit according to the state information of the components collected during the operation of the air conditioning unit comprises:
if the state information of the components meets the requirement of normal operation of the air conditioning unit, determining to continue operating the air conditioning unit; otherwise, determining to close the air conditioning unit.
7. The method of claim 6, further comprising:
and after the air conditioning unit is determined to be closed, displaying alarm information, wherein the alarm information contains component information which does not meet the normal operation requirement of the air conditioning unit.
8. The method of claim 7, further comprising:
and arranging and analyzing the acquired state information of the components in the air conditioning unit to obtain the safety condition information of the air conditioning unit and the reliability information of the components.
9. An air conditioning unit operation protection device, its characterized in that includes:
the information acquisition module is used for acquiring the state information of components in the air conditioning unit in the shutdown process of the air conditioning unit;
and the state control module is used for determining whether to execute the starting according to the state information of the components acquired in the last stopping process of the air conditioning unit when the air conditioning unit is started.
10. A controller for performing the method for protecting operation of an air conditioning assembly according to any one of claims 1 to 8.
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CN201911250602.1A CN111059706A (en) | 2019-12-09 | 2019-12-09 | Air conditioning unit operation protection method and device and controller |
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CN201911250602.1A CN111059706A (en) | 2019-12-09 | 2019-12-09 | Air conditioning unit operation protection method and device and controller |
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Cited By (1)
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CN112212464A (en) * | 2020-10-27 | 2021-01-12 | 珠海格力电器股份有限公司 | Control system, method and device of data center air conditioning unit and storage medium |
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Application publication date: 20200424 |