CN110617207A - Automatic control method, device and system for air compressor and computer readable medium - Google Patents
Automatic control method, device and system for air compressor and computer readable medium Download PDFInfo
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- CN110617207A CN110617207A CN201910880431.4A CN201910880431A CN110617207A CN 110617207 A CN110617207 A CN 110617207A CN 201910880431 A CN201910880431 A CN 201910880431A CN 110617207 A CN110617207 A CN 110617207A
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- air compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The application is suitable for the technical field of air compressor control, and provides an automatic air compressor control method, device and system and a computer readable medium, wherein the automatic air compressor control method comprises the following steps: acquiring actual pressure data of a pipe network, comparing the actual pressure data with a lower pressure limit value and an upper pressure limit value, and if the actual pressure data is smaller than the lower pressure limit value, controlling the air compressor to be started according to a starting logic sequence until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is greater than the upper pressure limit value, controlling the air compressor to stop according to the stop logic sequence until the actual pressure data is less than or equal to the upper pressure limit value. The automatic control method of the air compressor is applied to the production of the colored energy-saving glass, and compared with a manual adjustment mode, the air compressor automatic control method can improve the stability of an air source of a production line, thereby being beneficial to the improvement of the quality of the glass.
Description
Technical Field
The application belongs to the technical field of air compressor control, and particularly relates to an automatic air compressor control method, device and system and a computer readable medium.
Background
At present, in a float glass production process, compressed air with certain pressure is needed for product cooling blowing, fuel combustion supporting, environment-friendly blowing, instrument and valve assisting and the like, an air compression station is usually arranged, and a screw type air compressor is used for compressing and supplying air, so that the reliable operation of the air compressor is very important. And the pressure of the pipe network that the compressed gas output of air compressor machine is connected is decided required compressed air, and then is decided production can normally go on, so, just need to guarantee that the pressure of pipe network is in a normal data range. However, the control modes of the existing air compressor are manual control, and because the manual operation has a large error, the pressure of a pipe network cannot be reliably ensured to be in a normal data range. In addition, in normal operation, once equipment failure or other accidents such as power failure and water cut-off occur, the manual operation cannot recover the air supply in time after the accident treatment is completed, so that instability is brought to production, and the production loss is caused.
Disclosure of Invention
In view of this, embodiments of the present application provide an automatic control method, apparatus, system and computer readable medium for an air compressor, so as to solve the problem that manual operation cannot reliably ensure that the pressure of a pipe network is within a normal data range.
The first aspect of the embodiment of the application provides an automatic control method for an air compressor, which comprises the following steps:
acquiring actual pressure data of a pipe network;
comparing the actual pressure data with a lower pressure limit and an upper pressure limit;
if the actual pressure data is smaller than the lower pressure limit value, controlling the starting of the air compressor according to a starting logic sequence until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is larger than the upper pressure limit value, controlling the air compressor to stop according to a stop logic sequence until the actual pressure data is smaller than or equal to the upper pressure limit value.
The second aspect of the embodiment of this application provides an air compressor machine automatic control device, includes:
the pressure data acquisition module is used for acquiring actual pressure data of the pipe network;
the comparison module is used for comparing the actual pressure data with a lower pressure limit value and an upper pressure limit value;
the control module is used for controlling the starting of the air compressor according to a starting logic sequence if the actual pressure data is smaller than the lower pressure limit value until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is larger than the upper pressure limit value, controlling the air compressor to stop according to a stop logic sequence until the actual pressure data is smaller than or equal to the upper pressure limit value.
The third aspect of the embodiments of the present application provides an air compressor system, including:
at least two air compressors; and
as above, according to the second aspect of the embodiment of the present application, an automatic control device for an air compressor is provided.
A fourth aspect of the embodiments of the present application provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the steps of the automatic control method for an air compressor provided in the first aspect of the embodiments of the present application are implemented.
Compared with the prior art, the implementation mode of the invention has the following beneficial effects: when the actual pressure data is smaller than the lower pressure limit value, the pressure in the pipe network is over-low, the starting of the air compressors is controlled according to the starting logic sequence, the input number of the air compressors is increased, and the pressure of the pipe network is correspondingly increased until the actual pressure data is larger than or equal to the lower pressure limit value; similarly, when the actual pressure data is greater than the upper pressure limit value, the pressure in the pipe network is over-high, the shutdown of the air compressors is controlled according to the shutdown logic sequence, the input number of the air compressors is reduced, and the pressure of the pipe network is correspondingly reduced until the actual pressure data is less than or equal to the upper pressure limit value. The lower pressure limit and the upper pressure limit constitute the normal range of values for the pressure. Therefore, the automatic control method of the air compressor is an automatic control method, the actual pressure of a pipe network is used as an input quantity, the pressure of the pipe network is automatically adjusted based on the relation between the actual pressure of the pipe network and a normal numerical range of the pressure, and the pressure is in the normal numerical range. In addition, in normal operation, after the accident processing is finished, the investment of the air compressor can be immediately controlled by combining the actual pressure of the pipe network, air supply can be timely recovered, the stable production is ensured, and the production loss is reduced as much as possible. The automatic control method of the air compressor is applied to the production of the colored energy-saving glass, and compared with a manual adjustment mode, the air compressor automatic control method can improve the stability of an air source of a production line, thereby being beneficial to the improvement of the quality of the glass.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic flow chart of an embodiment of an automatic control method of an air compressor according to the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the order of writing each step in this embodiment does not mean the order of execution, and the order of execution of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiment of the present invention.
In order to explain the technical means described in the present application, the following description will be given by way of specific embodiments.
Referring to fig. 1, the flowchart of the embodiment of the automatic control method of an air compressor according to the present application is shown, and for convenience of description, only the portions related to the embodiment of the present application are shown.
The automatic control method of the air compressor comprises the following steps:
step S101: and acquiring actual pressure data of the pipe network.
In order to explain the automatic control method of the air compressor, an automatic control device of the air compressor will be explained below.
The automatic control device of the air compressor comprises a pressure data acquisition module, wherein the pressure data acquisition module is used for acquiring actual pressure data of a pipe network.
The pressure data acquisition module can be a hardware detection device capable of actively detecting data, the pressure data acquisition module is arranged on the pipe network and used for detecting the air pressure in the pipe network, and the pressure detection module for detecting the air pressure in the pipeline belongs to conventional equipment, so that the description is omitted in the embodiment. Besides the hardware detection device, the pressure data acquisition module can also be a software module for realizing the function of acquiring the actual pressure data of the pipe network.
Step S102: the actual pressure data is compared to a lower pressure limit and an upper pressure limit.
The automatic control device of the air compressor further comprises a comparison module, and the comparison module is used for comparing actual pressure data with a lower pressure limit value and an upper pressure limit value.
The comparison module can be a software module in the controller or a hardware comparison circuit. When the comparison module is a software function module, two set values, namely a lower pressure limit value and an upper pressure limit value, are loaded in a software program, wherein the lower pressure limit value is the minimum value of the pressure of the pipe network in a normal state, the upper pressure limit value is the maximum value of the pressure of the pipe network in the normal state, and the specific values of the lower pressure limit value and the upper pressure limit value are set according to actual control requirements. Therefore, the lower pressure limit value and the upper pressure limit value form a numerical range, which is a normal numerical range of the pressure of the pipe network, and the pressure of the pipe network is normal as long as the actual pressure data of the pipe network is in the normal numerical range, and conversely, if the actual pressure data of the pipe network is not in the normal numerical range, the pressure of the pipe network is abnormal, such as: if the actual pressure data of the pipe network is smaller than the lower pressure limit value, the pressure of the pipe network is too small; and if the actual pressure data of the pipe network is greater than the upper pressure limit value, the pressure of the pipe network is over-high. And the comparison module compares the actual pressure data of the pipe network with the lower pressure limit value and the upper pressure limit value, namely determines the relationship between the actual pressure data and the normal numerical range of the pressure.
Step S103: if the actual pressure data is smaller than the lower pressure limit value, controlling the starting of the air compressor according to a starting logic sequence until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is larger than the upper pressure limit value, controlling the air compressor to stop according to a stop logic sequence until the actual pressure data is smaller than or equal to the upper pressure limit value.
This air compressor machine automatic control device still includes control module, and control module is used for: if the actual pressure data is smaller than the lower pressure limit value, controlling the starting of the air compressor according to a starting logic sequence until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is larger than the upper pressure limit value, controlling the air compressor to stop according to a stop logic sequence until the actual pressure data is smaller than or equal to the upper pressure limit value.
The control module can be an independent controller, can be a control chip, such as a single chip microcomputer or a Siemens PLC, and can also be a computer host.
If the actual pressure data of the pipe network is smaller than the lower pressure limit value, the pressure of the pipe network is too small, and the pressure of the pipe network needs to be increased to be within a normal numerical range. Because the input number of the air compressors is closely related to the pressure of the pipe network, the more the input number of the air compressors is, the more compressed air is injected into the pipe network, and then, the larger the pressure of the pipe network is. Therefore, if the actual pressure data of the pipe network is smaller than the lower pressure limit value, the starting of the air compressors is controlled according to the starting logic sequence, namely the input number of the air compressors is increased, a part of the air compressors are controlled to be input from the stopped air compressors (the input of the air compressors is the starting of the air compressors), the input number of the air compressors is increased, and the pressure of the pipe network is increased. One specific implementation of the startup logic sequence is given below: and starting the air compressors according to the sequence of the numbers of the air compressors from small to large, wherein the smaller the number is, the earlier the air compressors are started. Such as: if the number of the air compressors is 10, and the serial numbers are respectively No. 1 to No. 10, the air compressors are sequentially input from No. 1 to No. 10, namely the input priority of No. 1 is the highest, and is sequentially reduced backwards, the input priority of No. 10 is the lowest, the input air compressors are No. 1 to No. 3 in the initial state, and if the actual pressure data of the pipe network is smaller than the lower pressure limit value, the remaining No. 4 to No. 10 air compressors are input first to No. 4 air compressors.
Certainly, the number of the air compressors to be put into the pipeline is not always increased, after each air compressor is put into the pipeline, the actual pressure of the pipeline is detected, the actual pressure is compared with the lower pressure limit value, if the actual pressure is still smaller than the lower pressure limit value, one air compressor is put into the pipeline, the actual pressure is compared with the lower pressure limit value, and the like until the actual pressure of the pipeline is larger than or equal to the lower pressure limit value. Example in the paragraph above: after the No. 4 air compressor is put into the pipeline, the actual pressure of the pipeline network is detected, the actual pressure is compared with the lower pressure limit value, if the actual pressure is still smaller than the lower pressure limit value, the No. 5 air compressor is put into the pipeline network, the actual pressure is compared with the lower pressure limit value, and the like until the actual pressure of the pipeline network is larger than or equal to the lower pressure limit value. In addition, the air compressor can be stopped to be put into the pipe network when the actual pressure of the pipe network is just greater than or equal to the lower pressure limit value, and the air compressor can be continuously put into the pipe network. Example in the paragraph above: if the actual pressure of the pipe network is just greater than the lower pressure limit value after the number 6 air compressor is put in, and if the actual pressure of the pipe network is just greater than the upper pressure limit value after the number 9 air compressor is put in, the putting-in control process can be stopped after the number 6 air compressor is put in, and of course, the number 7 and 8 air compressors can be put in again, but the number 9 air compressor cannot be put in again.
Moreover, because there is the condition that the air compressor has the trouble, then, in order to prevent to drop into the air compressor that the trouble leads to dropping into the failure or leading to the trouble air compressor further to damage or influence the whole automatic control process of air compressor, this air compressor machine automatic control method still includes: before each air compressor is started, detecting the state of each air compressor; if the air compressor is normal, putting the air compressor into the tank; and if the air compressor fails, skipping the air compressor, and detecting the state of the next air compressor according to the starting logic sequence. Correspondingly, the automatic air compressor control device further comprises a state detection module for detecting the state of each air compressor before each air compressor is started. The state detection module can be operation parameter detection equipment for detecting each operation parameter of the air compressor, and if each operation parameter of the air compressor is within a normal range, the air compressor is determined to be normal; and if part or all of the operation parameters of the air compressor are not in the normal range, determining the fault of the air compressor, for example, determining the fault of the air compressor when the input voltage of the motor of the air compressor is too small. If the air compressor is normal, the air compressor is normally put into the air compressor; and if the air compressor fails, skipping the air compressor, namely not putting the air compressor into the air compressor, and detecting the running state of the next air compressor according to the starting logic sequence. Example in the paragraph above: before starting No. 4 air compressor machine, detect the running state of No. 4 air compressor machine, if No. 4 air compressor machine is normal, normally throw in No. 4 air compressor machine, if No. 4 air compressor machine trouble, skip No. 4 air compressor machine, do not throw in No. 4 air compressor machine promptly, detect the running state of No. 5 air compressor machine according to start logic order, similar with the running state of above-mentioned No. 4 air compressor machine that detects, if No. 5 air compressor machine is normal, normally throw in No. 5 air compressor machine, if No. 5 air compressor machine trouble, skip No. 5 air compressor machine, detect the running state of No. 6 air compressor machine according to start logic order, analogize.
If the actual pressure data of the pipe network is larger than the upper pressure limit value, the pressure of the pipe network is required to be reduced to be in a normal numerical range, which indicates that the pressure of the pipe network is too large. Because the input number of the air compressors is closely related to the pressure of the pipe network, the more the input number of the air compressors is, the more compressed air is injected into the pipe network, and then, the larger the pressure of the pipe network is. Therefore, when the actual pressure data of the pipe network is larger than the upper pressure limit value, the shutdown of the air compressors is controlled according to the shutdown logic sequence, namely the input number of the air compressors is reduced, and a part of the air compressors is controlled to be shut down in the running air compressors. One specific embodiment of the shutdown logic sequence is given below as: the longer the air compressor of operating time halts earlier, that is to say, according to who drops into earlier who just halts the principle control air compressor's of stopping earlier of who. Then, the automatic control method of the air compressor further comprises the following steps: and detecting the working time of the air compressor which is put into use. Correspondingly, the automatic air compressor control device further comprises a time detection module for detecting the working time of the air compressor which is put into use. The time detection module can be a conventional timing device or timing equipment, when the air compressor is started, the starting time of the air compressor is recorded, when the air compressor needs to be controlled to stop, the time interval between the starting time of the air compressor and the time when the air compressor needs to be controlled to stop is obtained according to the starting time of the air compressor and the time when the air compressor needs to be controlled to stop, and the time interval is the working time of the air compressor. Such as: the air compressors that drop into when the actual pressure data of pipe network is less than pressure lower limit value are 1 to 5 in proper order, so, when the control is shut down, the operating time of 1 air compressor is the longest, and the operating time of 5 air compressors is the shortest, so, the order that the air compressor was shut down in proper order is 1 to 5. The input number of the air compressors is reduced, the pressure of a pipe network is reduced, and the input number of the air compressors is not reduced all the time, namely, the air compressors are not controlled to stop all the time. And after each air compressor is stopped, detecting the actual pressure of the pipe network, comparing the actual pressure with the upper pressure limit value, if the actual pressure is still greater than the upper pressure limit value, stopping the air compressor again, comparing the actual pressure with the upper pressure limit value, and so on until the actual pressure of the pipe network is less than or equal to the upper pressure limit value. In addition, the shutdown control process can be stopped when the actual pressure of the pipe network is just less than or equal to the upper pressure limit value, and of course, the shutdown control process can also be continued, but the actual pressure of the pipe network cannot be less than the lower pressure limit value.
The invention also discloses an automatic control device of the air compressor, and the specific structure of the automatic control device refers to the embodiment of the automatic control method of the air compressor, and is not repeated herein.
The invention further discloses an air compressor system, which comprises at least two air compressors and an automatic air compressor control device, wherein the specific structure of the automatic air compressor control device refers to the embodiment of the automatic air compressor control device, and the detailed description is omitted here.
The present invention also provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the automatic air compressor control method as described above.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (9)
1. An automatic control method of an air compressor is characterized by comprising the following steps:
acquiring actual pressure data of a pipe network;
comparing the actual pressure data with a lower pressure limit and an upper pressure limit;
if the actual pressure data is smaller than the lower pressure limit value, controlling the starting of the air compressor according to a starting logic sequence until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is larger than the upper pressure limit value, controlling the air compressor to stop according to a stop logic sequence until the actual pressure data is smaller than or equal to the upper pressure limit value.
2. The automatic control method of the air compressor according to claim 1, characterized in that the start logic sequence comprises: and starting the air compressors according to the sequence of the numbers of the air compressors from small to large, wherein the smaller the number is, the earlier the air compressors are started.
3. The automatic control method of an air compressor according to claim 2, characterized in that the automatic control method of an air compressor further comprises:
before each air compressor is started, detecting the state of each air compressor;
if the air compressor is normal, putting the air compressor into the tank; and if the air compressor fails, skipping the air compressor, and detecting the state of the next air compressor according to the starting logic sequence.
4. The automatic control method of an air compressor according to any one of claims 1 to 3, further comprising:
detecting the working time of an air compressor which is put into use;
the shutdown logic sequence is that the air compressor with longer working time is shutdown earlier.
5. The utility model provides an air compressor machine automatic control device which characterized in that includes:
the pressure data acquisition module is used for acquiring actual pressure data of the pipe network;
the comparison module is used for comparing the actual pressure data with a lower pressure limit value and an upper pressure limit value;
the control module is used for controlling the starting of the air compressor according to a starting logic sequence if the actual pressure data is smaller than the lower pressure limit value until the actual pressure data is larger than or equal to the lower pressure limit value; and if the actual pressure data is larger than the upper pressure limit value, controlling the air compressor to stop according to a stop logic sequence until the actual pressure data is smaller than or equal to the upper pressure limit value.
6. The automatic control device for air compressor according to claim 5, characterized in that it further comprises:
and the state detection module is used for detecting the state of each air compressor before each air compressor is started.
7. The automatic control device for an air compressor according to claim 5 or 6, characterized in that it further comprises:
and the time detection module is used for detecting the working time of the air compressor which is put into use.
8. An air compressor machine system, its characterized in that includes:
at least two air compressors; and
the automatic control device of an air compressor according to any one of claims 5 to 7.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program, which when executed by a processor, implements the steps of the automatic air compressor control method according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910880431.4A CN110617207A (en) | 2019-09-18 | 2019-09-18 | Automatic control method, device and system for air compressor and computer readable medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910880431.4A CN110617207A (en) | 2019-09-18 | 2019-09-18 | Automatic control method, device and system for air compressor and computer readable medium |
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| CN201910880431.4A Pending CN110617207A (en) | 2019-09-18 | 2019-09-18 | Automatic control method, device and system for air compressor and computer readable medium |
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| CN117092943A (en) * | 2023-06-29 | 2023-11-21 | 深圳米飞泰克科技股份有限公司 | Control method, control device, terminal equipment and computer readable storage medium |
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Application publication date: 20191227 |
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