CN115726995A - Intelligent automatic inflation and deflation system for gas mold - Google Patents
Intelligent automatic inflation and deflation system for gas mold Download PDFInfo
- Publication number
- CN115726995A CN115726995A CN202211581603.6A CN202211581603A CN115726995A CN 115726995 A CN115726995 A CN 115726995A CN 202211581603 A CN202211581603 A CN 202211581603A CN 115726995 A CN115726995 A CN 115726995A
- Authority
- CN
- China
- Prior art keywords
- air
- fan
- valve
- inflation
- deflation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The embodiment of the invention discloses an intelligent automatic inflation and deflation system for a gas model, which comprises: a PLC controller, a differential pressure sensor, a fan and a valve; a differential pressure sensor with redundancy is configured, and each differential pressure sensor is respectively connected with a pressure measuring nozzle of the air mould and the PLC; 1 fan and 1 valve form 1 air charging and discharging branch, dispose the air charging and discharging branch of the redundancy; the PLC controller and 1 air charging and discharging branch form 1 air charging and discharging control unit; the PLC controller comprehensively judges the redundant air model pressure value, controls the working states of the fan and the valve in each air inflation and deflation control unit, and performs air inflation and deflation on the air model through the state matching of the fan and the valve. The invention solves the problems that the common fault of a single differential pressure sensor directly affects the safety of the gas mould, the service life of the fan is frequent, and the number of the holes and the area of the holes of the gas mould are large in the existing gas mould product charging and discharging device.
Description
Technical Field
The invention relates to the technical field of gas molds, in particular to an intelligent automatic gas mold inflation and deflation system.
Background
The inflation and deflation device is a set of necessary special equipment for the air model product, and can complete inflation and deflation of the air model product according to the air model pressure, so that the appearance of the air model product is maintained.
The working principle of the existing gas mould product inflation and deflation device is as follows: the air mould is provided with an independent inflation interface and an independent deflation valve, the air outlet of the fan is provided with a mechanical one-way valve which is communicated with the inflation interface, the inflation and deflation device collects one path of air mould pressure, the fan is controlled to inflate through the inflation interface when the air mould pressure is lower than a set threshold value, and the deflation valve is controlled to deflate when the air mould pressure is higher than the set threshold value.
The existing air mold product air inflation and deflation device has the following problems:
(1) The gas mould inflating and deflating device only collects one path of gas mould pressure, the reliability is poor, and if a differential pressure sensor fails or a fan valve fails, the gas mould pressure cannot be controlled within a safety threshold range, so that the safety of the gas mould is directly influenced;
(2) The air tightness of a mechanical one-way valve at the air outlet of the fan cannot be ensured, and the fan works frequently, so that the service life of the fan is influenced;
(3) Because the gas mould is provided with the physically independent inflation interface and the air release valve, the number of the open holes and the open hole area of the gas mould are increased.
Disclosure of Invention
The purpose of the invention is as follows: the embodiment of the invention provides an intelligent automatic air mold inflation and deflation system, which aims to solve the problems that the safety of an air mold is directly influenced by the common fault of a single differential pressure sensor, the service life of a fan is prolonged due to frequent work of the fan, and the number of holes and the area of the holes of the air mold are large in the conventional air mold product inflation and deflation device.
The technical scheme of the invention is as follows: the embodiment of the invention provides an intelligent automatic inflation and deflation system for a gas model, which comprises: a PLC controller, a differential pressure sensor, a fan and a valve;
the automatic inflation and deflation system is provided with redundant differential pressure sensors, and each differential pressure sensor is respectively connected with a pressure measuring nozzle of the air mold and the PLC controller and is used for transmitting the air mold pressure value acquired by the differential pressure sensor to the PLC controller;
each fan is connected to 1 air charging and discharging port of the air mould through a valve connected with an air outlet of each fan to form 1 air charging and discharging branch, and redundant air charging and discharging branches are configured in the automatic air charging and discharging system; the PLC is respectively connected with each fan and each valve, so that the PLC and 1 air charging and discharging branch form 1 air charging and discharging control unit;
and the PLC is used for comprehensively judging according to the redundancy air model pressure value received from the redundancy differential pressure sensor, controlling the working states of the fan and the valve in each air inflation and deflation control unit according to the comprehensive judgment value, and performing air inflation and air exhaust on the air model through the state matching of the fan and the valve.
Optionally, in the above intelligent automatic inflation and deflation system for a gas model, the performing inflation and deflation of the gas model by state coordination of the blower and the valve includes:
the PLC controls the opening of a fan and a valve in the inflation and deflation control unit so as to inflate the air model through the fan and the valve in an open state; wherein, before the fan works, the valve of the air charging and discharging control unit is controlled to be opened first.
Optionally, in the above automatic inflation and deflation system for an intelligent air mold, the inflation and the deflation of the air mold are performed by matching the states of the blower and the valve, and the system further includes:
when the air mould is controlled to discharge air, the air charging and discharging control unit fan is controlled to be closed through the PLC, and only the valve is opened, so that the air in the air mould reversely flows in the air charging and discharging branch, and the air is discharged from the air inlet of the fan after passing through the valve and the air outlet of the fan.
Optionally, in the above intelligent automatic air mold inflation and deflation system, each redundant inflation and deflation control unit further includes: a proximity switch;
each fan is also connected to the PLC through 1 proximity switch, and the proximity switches are installed at the fan shafts and used for collecting the rotating speed value of the fans and transmitting the rotating speed value to the PLC;
the PLC is also used for acquiring the state of the fan by acquiring the pulse signal of the proximity switch and acquiring the state of the valve by acquiring the switching value signal of the valve, and the PLC judges whether the fan and the valve are normal or not by analyzing the state of the fan and the valve and the consistency of the instruction.
Optionally, in the above intelligent automatic inflation and deflation system for air mold, the automatic inflation and deflation system further includes: the display screen and the alarm are respectively connected with the PLC;
the display screen is used for displaying a gas model pressure value, a fan rotating speed and alarm information according to the detection of the PLC controller on the states of the fan and the valve in each air charge and discharge control unit, and storing historical data for subsequent inquiry;
and the alarm is used for providing alarm when the PLC monitors that the states of the differential pressure sensor, the fan and the valve are abnormal.
Optionally, in the above intelligent automatic air mold inflation and deflation system, the automatic air mold inflation and deflation system further includes: a switching power supply;
and the commercial power is connected to the PLC through the switching power supply and is used for providing corresponding working power supply for each electric element in the automatic charging and discharging system.
Alternatively, in the intelligent automatic inflation and deflation system for air model as described above,
in the automatic inflation and deflation system, 3 differential pressure sensors are specifically arranged, so that the PLC judges whether the differential pressure sensors in the fault state exist or not through 3 air mould pressure values, and the average value of the air mould pressure values acquired by the differential pressure sensors in the normal states is compared with a preset pressure value, so that a comprehensive judgment value for controlling the fan and the valve is obtained.
Optionally, in the intelligent automatic air-model inflation and deflation system,
the automatic inflation and deflation system is specifically provided with 2 paths of inflation and deflation branches, and 2 inflation and deflation control units are formed by 2 groups of inflation and deflation branches and 2 proximity switches; the PLC controller controls the 2 air charge and discharge control units in the following mode:
setting the control mode of the redundancy air charging and discharging control unit to be a manual mode or an automatic mode 2;
when the air model is erected for inflation, the manual mode is set, and simultaneously 2 paths of inflation and deflation branches are opened for inflation;
when the pressure value of the gas model is a normal value, setting the gas model into an automatic mode, wherein 1 path of gas charging and discharging branch participates in the pressure control of the gas model, and the other 1 path of gas charging and discharging branch is in a backup state;
when the fan or the valve in the 1 path of air charging and discharging branch circuit participating in the control of the air mould pressure fails, the fan and the valve in the other 1 path of air charging and discharging branch circuit in the backup state automatically participate in the control of the air mould pressure.
Optionally, in the above intelligent automatic air mold inflation and deflation system, the valve connected to the air outlet of each fan is an electric flange butterfly valve.
The invention has the beneficial effects that: the embodiment of the invention provides an intelligent automatic air model inflation and deflation system, which respectively provides corresponding improvement schemes aiming at three design requirements required to be realized, on one hand, the requirement that the air model safety is not influenced by the fault of a single differential pressure sensor is met, and the air model differential pressure sensor in the automatic air model inflation and deflation system adopts a three-redundancy design scheme, so that when a certain differential pressure sensor fails, a PLC (programmable logic controller) can effectively identify the failed differential pressure sensor, and only the air model pressure value acquired by the normal differential pressure sensor is adopted as the basis of comprehensive judgment; on the other hand, aiming at the requirement that the pressure control of the air model is not influenced by the fault of a single fan or valve, the fan and the valve in the automatic air inflation and deflation system adopt a dual-redundancy design, and when the fan or the valve in one path of air inflation and deflation branch circuit fails, the other path of air inflation and deflation branch circuit which is physically independent and 1 path of air inflation and deflation branch circuit can be controlled to perform air inflation and deflation of the air model; on the other hand, aiming at the requirement of reducing the starting frequency of the fan, the starting frequency of the fan is effectively reduced by additionally arranging an electric flange butterfly valve at the air outlet of the fan and controlling 1 path of charging and discharging branch circuits to be in a backup state (namely an out-of-operation state) through the control form of the PLC controller when the pressure value of the air model is normal; on one hand, valves of the 2 paths of air charging and discharging branches are connected to one air charging interface of the air mould, the air mould does not need to be provided with an air discharging interface for discharging air through the valves independently, namely, the air charging and the air discharging can be completed through the air charging and discharging branches, and the number of holes and the area of the holes of the air mould on the air mould are reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of an intelligent automatic gas mold inflation and deflation system according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The above background art has already described the structure and the inflation and deflation working principle of the existing inflation and deflation device for the gas mold product, and many problems of the existing inflation and deflation device for the gas mold product.
Based on the problems of the existing air inflation and deflation device for air mold products, the embodiment of the invention provides an intelligent air mold automatic air inflation and deflation system for solving the technical problems, and the intelligent air mold automatic air inflation and deflation system needs to meet the following design requirements: the single differential pressure sensor fault does not influence the gas model safety (gas model pressure acquisition three-redundancy design), the single fan or valve fault does not influence the gas model pressure control (fan and valve dual-redundancy design), the valve sealing performance is good, and the fan opening frequency can be effectively reduced (the design that an electric flange butterfly valve is additionally arranged at the fan air outlet).
The following specific embodiments of the present invention may be combined, and the same or similar concepts or processes may not be described in detail in some embodiments.
The embodiment of the invention provides an intelligent automatic air inflation and deflation system for an air mold, which mainly comprises the following components:
fig. 1 is a schematic structural diagram of an intelligent automatic gas mold inflation and deflation system according to an embodiment of the present invention. The intelligent automatic gas-mold inflation and deflation system provided by the embodiment of the invention comprises the following main components: PLC controller, differential pressure sensor, fan, valve.
In the structure of the intelligent automatic inflation and deflation system for the air mold as shown in fig. 1, redundant differential pressure sensors are configured in the automatic inflation and deflation system, and each differential pressure sensor is respectively connected with a pressure measuring nozzle of the air mold and a PLC (programmable logic controller) and used for transmitting the pressure value of the air mold acquired by the differential pressure sensor to the PLC.
In the embodiment of the invention, each fan is connected to 1 air charging and discharging port of an air mould through a valve connected with an air outlet of the fan to form 1 air charging and discharging branch, and redundant air charging and discharging branches are configured in an automatic air charging and discharging system; the PLC controller is respectively connected with each fan and each valve, so that the PLC controller and 1 air charging and discharging branch form 1 air charging and discharging control unit.
The PLC controller of the embodiment of the invention has the following functions: the comprehensive judgment can be carried out according to the redundancy air mould pressure value received from the redundancy differential pressure sensor, and the working states of the fan and the valve in each air inflation and deflation control unit are controlled according to the comprehensive judgment value, so that the air inflation and the air exhaust of the air mould are carried out through the state matching of the fan and the valve.
In the embodiment of the invention, the PLC executes the inflation and the exhaust of the air model through the state coordination of the fan and the valve; the inflation control mode is as follows:
the PLC controls a fan and a valve in the inflation and deflation control unit to be opened so as to inflate the air model through the fan and the valve in an opening state; wherein, before the fan works, the valve of the air charging and discharging control unit is controlled to be opened first.
The exhaust control mode is as follows:
when the air mould is controlled to discharge air, the air charging and discharging control unit fan is controlled to be closed through the PLC controller, and only the valve is opened, so that the air in the air mould reversely flows in the air charging and discharging branch, and the air is discharged from the air inlet of the fan after passing through the valve and the air outlet of the fan.
It can be seen that in the embodiment of the invention, the interfaces for inflation and exhaust in the gas mould are shared, the gas filling and discharging branch can not only fill the gas mould, but also change the airflow direction in the gas filling and discharging branch through the control mode of the PLC controller on the valve and the fan, and the same 1 path of gas filling and discharging branch can be adopted to exhaust the gas mould, thereby reducing the number of holes and the area of the holes of the gas mould.
In a preferred implementation manner of the embodiment of the present invention, each redundant air charge/discharge control unit further includes: a proximity switch.
Each fan is still connected to the PLC controller through 1 proximity switch, and proximity switch installs in fan axle department for gather fan rotational speed value and transmit to the PLC controller.
The PLC controller in the embodiment of the invention is also used for acquiring the state of the fan by acquiring the pulse signal of the proximity switch and acquiring the state of the valve by acquiring the switching value signal of the valve, and the PLC controller judges whether the fan and the valve are normal or not by analyzing the state of the fan and the valve and the consistency of the instruction.
It should be noted that the valve can adopt the solenoid valve, and the state of valve can directly be gathered to the PLC controller, and the PLC controller obtains the state that corresponds the fan through proximity switch.
Further, the automatic inflation and deflation system in the embodiment of the invention further comprises: a display screen and an alarm which are respectively connected with the PLC.
The display screen is used for displaying a gas model pressure value, a fan rotating speed and alarm information according to the detection of the PLC controller on the states of the fan and the valve in each air charge and discharge control unit, and storing historical data for subsequent query;
and the alarm is used for providing alarm when the PLC monitors that the states of the differential pressure sensor, the fan and the valve are abnormal.
In the specific implementation of the embodiment of the present invention, the automatic inflation and deflation system further comprises: and switching the power supply.
And the commercial power is connected to the PLC through a switching power supply and is used for providing corresponding working power supply for each electric element in the automatic inflation and deflation system.
In the specific implementation of the invention, as shown in fig. 1, 3 differential pressure sensors are specifically arranged in the automatic inflation and deflation system, so that the PLC controller judges whether there is a failure differential pressure sensor by using 3 air mold pressure values, and obtains a comprehensive judgment value for controlling the fan and the valve by comparing the average value of the air mold pressure values acquired by the differential pressure sensors in the normal state with a preset pressure value.
In the specific implementation of the invention, as shown in fig. 1, 2 air charging and discharging branches are specifically arranged in the automatic air charging and discharging system, and 2 air charging and discharging control units are formed by 2 groups of air charging and discharging branches and 2 proximity switches; the PLC controller controls the 2 air charge and discharge control units in the following mode:
setting the control mode of the redundancy air charging and discharging control unit 2 as a manual mode or an automatic mode;
when the air model is erected for inflation, the manual mode is set, and simultaneously 2 paths of inflation and deflation branches are opened for inflation;
when the pressure value of the gas model is a normal value, setting the gas model to be in an automatic mode, wherein 1 path of gas charging and discharging branch circuit participates in the pressure control of the gas model, and the other 1 path of gas charging and discharging branch circuit is in a backup state;
when the fan or the valve in the 1 path of air charging and discharging branch circuit participating in the air mould pressure control breaks down, the fan and the valve in the other 1 path of air charging and discharging branch circuit in the backup state automatically participate in the air mould pressure control.
On one hand, the requirement that the single differential pressure sensor fails to affect the safety of the gas model is not met, and the gas model differential pressure sensor in the automatic gas model charging and discharging system adopts a three-redundancy design scheme, so that when a certain differential pressure sensor fails, a PLC (programmable logic controller) can effectively identify the failed differential pressure sensor, and only the gas model pressure value acquired by the normal differential pressure sensor is used as the basis of comprehensive judgment; on the other hand, aiming at the requirement that the pressure control of the air model is not influenced by the fault of a single fan or valve, the fan and the valve in the automatic air inflation and deflation system adopt a dual-redundancy design, and when the fan or the valve in one path of air inflation and deflation branch circuit fails, the other path of air inflation and deflation branch circuit which is physically independent and 1 path of air inflation and deflation branch circuit can be controlled to perform air inflation and deflation of the air model; on the other hand, aiming at the requirement of reducing the starting frequency of the fan, the electric flange butterfly valve is additionally arranged at the air outlet of the fan, and the starting frequency of the fan is effectively reduced by controlling 1 of the charging and discharging branch circuits to be in a backup state (namely a non-working state) through the control form of the PLC controller when the pressure value of the air model is normal; on one hand, the valves of the 2 paths of inflation and deflation branches are all connected to one inflation interface of the air mould, and the air mould does not need to be provided with the deflation interfaces for deflation through the valves independently, namely inflation and deflation can be completed through the inflation and deflation branches, so that the number of holes and the area of the holes of the air mould on the air mould are reduced.
The following schematically illustrates a specific implementation of the intelligent automatic inflation and deflation system for air molds according to an embodiment of the present invention by using an implementation example.
Examples of implementation
Referring to the intelligent automatic inflation and deflation system for air molds shown in fig. 1, the components of the intelligent automatic inflation and deflation system for air molds provided by the embodiment specifically include: switch power supply, PLC controller, differential pressure sensor 1, differential pressure sensor 2, differential pressure sensor 3, fan 1, valve 1, proximity switch 1, fan 2, valve 2, proximity switch 2, display screen and alarm.
Each differential pressure sensor is respectively connected with a pressure measuring nozzle of the gas mould and the PLC, and is used for collecting the pressure value of the gas mould and transmitting the pressure value to the PLC; the PLC is respectively connected with each fan and the valve and is used for controlling the working states of the fans and the valves according to the comprehensive judgment value of the differential pressure sensor; each proximity switch is respectively connected with the PLC and 1 fan and used for collecting the rotating speed of the fan and transmitting the rotating speed to the PLC, so that the PLC judges the state of the fan according to the rotating speed value of the fan collected by the proximity switch; the valve is respectively connected with the air outlet of the fan and the air charging and discharging port on the air mould; and the PLC controls the assembly and matching of each group of fans and valves to complete the inflation and deflation of the air mold.
In the implementation example, a differential pressure sensor for collecting the air mould pressure adopts a three-redundancy design, and a fan and a valve adopt a double-redundancy design, so that the reliability of the system is improved; an electric flange butterfly valve is additionally arranged at the air outlet of the fan, so that the sealing performance of an air mould is improved, the opening frequency of the fan is effectively reduced, the reliability of the system is effectively improved, and the service life of the system is effectively prolonged.
In the implementation example, the PLC collects the air model pressure value signals of the three paths of differential pressure sensors and compares the signal values of the three paths of differential pressure sensors; and if the difference value between the signal value of one differential pressure sensor and the signal values of the other two differential pressure sensors is greater than the preset value and lasts for more than 5 seconds, judging that the differential pressure sensor has a fault, and prompting an alarm. Through comprehensive analysis, the average value of the signal values of the differential pressure sensor in a normal state is compared with the preset pressure, so that the working states of the fan and the valve are controlled.
In this embodiment, the valve 1 is installed at the air outlet of the fan 1, and the valve 2 is installed at the air outlet of the fan 2. Before the fan works, the corresponding valve is opened preferentially and then the fan is opened; if the air model needs to discharge air, only the valve is opened, and the air in the air model is discharged by the air inlet of the fan after passing through the valve and the air outlet of the fan; when the air mould is in the normal pressure range, the fan and the valve are both in a closed state, the sealing performance of the selected valve is good, and the opening frequency of the fan can be effectively reduced.
In this implementation example, proximity switch installs in fan main shaft department, and the PLC controller acquires the fan state through gathering proximity switch pulse signal to gather valve switching value signal and acquire the valve state, the PLC controller is through the state and the instruction uniformity of analysis fan, valve, judges whether fan, valve are normal.
2 sets of fans and valves are arranged, and the control mode is set manually or automatically. The gas mould is set to be in a manual mode when being inflated and erected, and the two groups of fans are started to inflate simultaneously, so that the time for erecting the gas mould to inflate can be effectively saved.
The pressure value in the gas mould is set to be in an automatic mode when being normal, the fan 1 and the valve 1 participate in gas mould pressure control, the fan 2 and the valve 2 are in a backup state, and if the fan 1 or the valve 1 breaks down, the fan 2 and the valve 2 automatically participate in gas mould pressure control, so that the reliability of the system is effectively improved.
The display screen is used for monitoring the states of the fan and the valve, displaying the pressure value of the gas model, the rotating speed of the fan, alarm information and the like, and automatically storing and inquiring historical data.
The intelligent automatic air inflation and deflation system for the air mold, provided by the embodiment of the invention, is applied to pressure control of a certain air mold, has a good effect, and meets the design requirements of the air mold.
Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an automatic gassing system that fills of intelligent gas mould which characterized in that includes: a PLC controller, a differential pressure sensor, a fan and a valve;
the automatic inflation and deflation system is provided with redundant differential pressure sensors, and each differential pressure sensor is respectively connected with a pressure measuring nozzle of the air mold and the PLC controller and is used for transmitting the air mold pressure value acquired by the differential pressure sensor to the PLC controller;
each fan is connected to 1 air charging and discharging port of the air mould through a valve connected with an air outlet of each fan to form 1 air charging and discharging branch, and redundant air charging and discharging branches are configured in the automatic air charging and discharging system; the PLC is respectively connected with each fan and each valve, so that the PLC and 1 air charging and discharging branch form 1 air charging and discharging control unit;
and the PLC is used for carrying out comprehensive judgment according to the redundancy air mould pressure value received from the redundancy differential pressure sensor, controlling the working states of the fan and the valve in each air inflation and deflation control unit according to the comprehensive judgment value, and carrying out air inflation and air exhaust on the air mould by matching the states of the fan and the valve.
2. The automatic air inflation and deflation system for the air model according to claim 1, wherein the air inflation and air exhaust of the air model is performed by the state coordination of the blower and the valve, comprising:
the PLC controls the opening of a fan and a valve in the inflation and deflation control unit so as to inflate the air model through the fan and the valve in an open state; wherein, before the fan works, the valve of the air charging and discharging control unit is controlled to be opened first.
3. The automatic air inflation and deflation system for the intelligent air mold according to claim 2, wherein the air inflation and air exhaust of the air mold are performed by state coordination of the blower and the valve, further comprising:
when the air mould is controlled to discharge air, the air charging and discharging control unit fan is controlled to be closed through the PLC controller, and only the valve is opened, so that the air in the air mould reversely flows in the air charging and discharging branch, and the air is discharged from the air inlet of the fan after passing through the valve and the air outlet of the fan.
4. The automatic air inflation and deflation system for the intelligent air mold according to any one of claims 1 to 3, wherein each redundancy air inflation and deflation control unit further comprises: a proximity switch;
each fan is also connected to the PLC through 1 proximity switch, and the proximity switches are installed at the fan shafts and used for collecting the rotating speed value of the fans and transmitting the rotating speed value to the PLC;
the PLC is also used for acquiring the state of the fan by acquiring the pulse signal of the proximity switch and acquiring the state of the valve by acquiring the switching value signal of the valve, and the PLC judges whether the fan and the valve are normal or not by analyzing the state of the fan and the valve and the consistency of the instruction.
5. The intelligent air model automatic inflation and deflation system of any of claims 1-3, wherein the automatic inflation and deflation system further comprises: the display screen and the alarm are respectively connected with the PLC;
the display screen is used for displaying a gas model pressure value, a fan rotating speed and alarm information according to the detection of the PLC controller on the states of the fan and the valve in each air charge and discharge control unit, and storing historical data for subsequent query;
and the alarm is used for providing alarm when the PLC monitors that the states of the differential pressure sensor, the fan and the valve are abnormal.
6. The intelligent automatic air-model inflation and deflation system as claimed in any of claims 1-3, wherein the automatic inflation and deflation system further comprises: a switching power supply;
and the commercial power is connected to the PLC through the switching power supply and is used for providing corresponding working power supply for each electric element in the automatic charging and discharging system.
7. The intelligent automatic air model inflation and deflation system as claimed in any of claims 1-3,
in the automatic inflation and deflation system, 3 differential pressure sensors are specifically arranged, so that the PLC judges whether the differential pressure sensors in the fault state exist or not through 3 air mould pressure values, and the average value of the air mould pressure values acquired by the differential pressure sensors in the normal states is compared with a preset pressure value, so that a comprehensive judgment value for controlling the fan and the valve is obtained.
8. The intelligent automatic inflation and deflation system for air mold as claimed in claim 4,
the automatic inflation and deflation system is specifically provided with 2 paths of inflation and deflation branches, and 2 inflation and deflation control units are formed by 2 groups of inflation and deflation branches and 2 proximity switches; the PLC controller controls the 2 air charge and discharge control units in the following mode:
setting the control mode of the redundancy air charging and discharging control unit to be a manual mode or an automatic mode 2;
when the air model is erected for inflation, the manual mode is set, and simultaneously 2 paths of inflation and deflation branches are opened for inflation;
when the pressure value of the gas model is a normal value, setting the gas model into an automatic mode, wherein 1 path of gas charging and discharging branch participates in the pressure control of the gas model, and the other 1 path of gas charging and discharging branch is in a backup state;
when the fan or the valve in the 1 path of air charging and discharging branch circuit participating in the air mould pressure control breaks down, the fan and the valve in the other 1 path of air charging and discharging branch circuit in the backup state automatically participate in the air mould pressure control.
9. The intelligent automatic inflation and deflation system for air mold according to any of claims 1-3,
and a valve connected with the air outlet of each fan adopts an electric flange butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581603.6A CN115726995A (en) | 2022-12-09 | 2022-12-09 | Intelligent automatic inflation and deflation system for gas mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581603.6A CN115726995A (en) | 2022-12-09 | 2022-12-09 | Intelligent automatic inflation and deflation system for gas mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115726995A true CN115726995A (en) | 2023-03-03 |
Family
ID=85300995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211581603.6A Pending CN115726995A (en) | 2022-12-09 | 2022-12-09 | Intelligent automatic inflation and deflation system for gas mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115726995A (en) |
-
2022
- 2022-12-09 CN CN202211581603.6A patent/CN115726995A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106547858A (en) | A kind of air conditioning unit big data analysis method and air conditioning unit | |
| CN104034998B (en) | Diagnostic method and diagnostic system for mistaken line connection of indoor and outdoor units of fixed frequency air conditioners | |
| CN207004781U (en) | A kind of more air compressor switching devices in parallel | |
| CN106335330A (en) | Automatic inflation and deflation system and method for vehicle tires | |
| CN106476786B (en) | The fault judgment method of city rail vehicle air supply system | |
| CN107621059A (en) | Hospital's combined type wind cabinet automatic fault diagnosis devices, systems, and methods | |
| CN103884081A (en) | Control method of air conditioner system | |
| CN110513821A (en) | A kind of air-conditioner outdoor unit detection system and its detection method | |
| CN105971864B (en) | Pump group drive system | |
| CN111121176A (en) | Air condensing units and air conditioner | |
| CN105889054A (en) | Air compressor working environment monitoring system capable of being remotely monitored | |
| CN115726995A (en) | Intelligent automatic inflation and deflation system for gas mold | |
| CN110044035A (en) | Variable frequency air-conditioner controller fault tolerable circuit and control method | |
| CN108825545A (en) | Aerator supervision method, apparatus, system and the apparatus of air conditioning | |
| CN202986743U (en) | Electric air conditioner monitoring device for electromobile | |
| CN106406251A (en) | Air conditioning control system, centralized control switch box and centralized control communication transfer method | |
| CN206755376U (en) | A kind of Combined frequency-change air-conditioning | |
| CN110374859B (en) | Device and method for detecting service life of internal circulation air pump | |
| CN108131859A (en) | The air-conditioning system and its control method of positive displacement compressor, storage medium and processor | |
| CN102331066B (en) | Method for investigating indoor and outdoor communication fault points of VRV (Vacuum Reducer Valve) multi-connected air-condition unit | |
| CN106088246A (en) | A kind of intelligent pump control system | |
| CN106642777A (en) | Double-cylinder compressor air conditioner and refrigeration method thereof | |
| CN207955217U (en) | A kind of commercial car pressure of tire automated management system | |
| CN105042701B (en) | Split-floor type air conditioner, explosion prevention controlling process and device | |
| CN212565327U (en) | Negative pressure pipe network monitoring station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |