CN208873054U - A kind of electronic pressure controller - Google Patents
A kind of electronic pressure controller Download PDFInfo
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- CN208873054U CN208873054U CN201821910451.9U CN201821910451U CN208873054U CN 208873054 U CN208873054 U CN 208873054U CN 201821910451 U CN201821910451 U CN 201821910451U CN 208873054 U CN208873054 U CN 208873054U
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- 238000004891 communication Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model provides a kind of electronic pressure controller, and the electronic pressure controller includes pedestal, port, exhaust outlet, intake solenoid valve, exhaust solenoid valve, support rod, control panel, power supply, sensor, CPU and display screen；The pedestal is located at lowermost end, is used to support；It is provided with port and exhaust outlet on pedestal, is used for input and output gas；Intake solenoid valve, exhaust solenoid valve and support rod are fixed in the upper surface of pedestal；Intake solenoid valve is connect with port, and exhaust solenoid valve is connect with exhaust outlet, and the two is used to control the disengaging of gas, to realize that air pressure is set；The upper end of the support rod and control panel are affixed；Power supply, sensor and CPU are fixed on control panel, for receiving command signal and exporting control signal；Display screen is external, has the function of control model setting, sensor settings, the setting of Setting signal source etc.；This electronic pressure controller controls Fluid pressure according to electric signal, and measurement accuracy is high, meets the needs of industrial automation.
Description
Technical Field
The utility model relates to a pressure control signal processing technology field especially relates to an electronic pressure controller device.
Background
Along with the development of an automatic control technology, the application of a precise air pressure generation and control technology is more and more extensive, the traditional valve controller has insufficient control precision, slow running speed, inconvenient operation and high price and can not meet the requirements of the aspect, and therefore, the electronic pressure controller device is low in cost, wide in application range and capable of realizing remote control, and is prompted to develop on the aspect of improving the anti-interference capability in the design.
SUMMERY OF THE UTILITY MODEL
In order to overcome the disadvantages of the prior art, an object of the present invention is to provide an electronic pressure controller to overcome the defects of the prior art.
In order to achieve the above object, the present invention provides an electronic pressure controller; the electronic pressure controller comprises a base, an air source port, an air exhaust port, an air inlet electromagnetic valve, an air exhaust electromagnetic valve, a supporting rod, a control panel, a power supply, a sensor, a CPU and a display screen.
The base is positioned at the lowest end of the whole device and is used for bearing; the base is provided with an air source port and an exhaust port, and an air source enters from the air source port and is exhausted from the exhaust port; the air inlet electromagnetic valve, the air outlet electromagnetic valve and the four support rods are fixedly connected to the upper surface of the base; the air inlet electromagnetic valve is connected with the air source port, the air outlet electromagnetic valve is connected with the air outlet port, and the air inlet and outlet are controlled by the air inlet electromagnetic valve and the air outlet electromagnetic valve, so that air pressure setting is realized; the four support rods are positioned around the air inlet electromagnetic valve and the air outlet electromagnetic valve; the upper ends of the four support rods are fixedly connected with the control panel; the power supply and the sensor are fixedly connected to the control panel; the CPU is fixedly connected to a power supply; the power supply is used for supplying power, the sensor is used for detecting an air pressure signal, and the CPU is used for calculating an instruction signal and a detection signal and outputting a control signal; the display screen is externally connected and is in wireless communication connection with the CPU; the display screen has functions of control mode setting, sensor setting, given signal source setting, parameter setting, graphic display setting and the like, and is used for inputting instruction signals and displaying input and output air pressure.
As a further explanation of the electronic pressure controller of the present invention, preferably, the air inlet solenoid valve and the air outlet solenoid valve are special valves capable of high frequency operation, and the maximum operation frequency thereof is 1000 hz.
As a further explanation of the electronic pressure controller of the present invention, preferably, the CPU has a 485 communication port, which can be remotely controlled, and the farthest communication distance is 1200 meters.
As a further explanation of the electronic pressure controller of the present invention, preferably, the display screen interface is a full chinese interface, which is convenient for operation.
As a further explanation of the electronic pressure controller of the present invention, it is preferable that the CPU is a military CPU, the operating temperature is-40 ℃ to 65 ℃, and the storage temperature is-50 ℃ to 80 ℃.
As a further explanation of the electronic pressure controller according to the present invention, it is preferable that the control mode of the electronic pressure controller is set to two types, i.e., inner loop control and outer loop control.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
(1) the electronic pressure controller controls the fluid pressure according to the electric signal, so that the industrial automation requirement is met;
(2) the control software of the display screen is a full Chinese interface, so that the operation of Chinese engineers is facilitated;
(3) the whole device has high reliability and the service life can reach 10 years;
(4) the device has high measurement precision and linearity: ± 0.05%, hysteresis: ± 0.05%, reproducibility: plus or minus 0.05 percent;
(5) the CPU pressure controller is provided with a 485 communication port and can be remotely controlled, and the farthest communication distance is 1200 meters;
(6) the pressure controller CPU chip adopts a domestic military chip and is suitable for special industries such as domestic defense, military industry and the like.
Drawings
Fig. 1 is a schematic structural diagram of an electronic pressure controller according to the present invention;
fig. 2 is a schematic diagram of an electronic pressure controller according to the present invention;
Detailed Description
In order to further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention.
Firstly, as shown in fig. 1, fig. 1 is a schematic structural diagram of an electronic pressure controller according to the present invention; the electronic pressure controller comprises a base 1, an air source port 2, an exhaust port 3, an air inlet electromagnetic valve 4, an exhaust electromagnetic valve 5, a support rod 6, a control panel 7, a power supply 8, a sensor 9, a CPU10 and a display screen 11; wherein,
the base 1 is positioned at the lowest end of the whole device; the base 1 is provided with an air source port 2 and an exhaust port 3; the air inlet electromagnetic valve 4, the air outlet electromagnetic valve 5 and the four support rods 6 are fixedly connected to the upper surface of the base 1; the air inlet electromagnetic valve 4 is connected with the air source port 2, and the air outlet electromagnetic valve 5 is connected with the air outlet 3; the four support rods 4 are positioned around the air inlet electromagnetic valve 5 and the air outlet electromagnetic valve 6; four branches
The CPU10 is fixedly connected to the power supply 8; the display screen 11 is externally connected and is in wireless communication connection with the CPU 10; the display screen 11 has control mode settings, sensor settings, given signal source settings, parameter settings and graphic display settings.
Further, the intake solenoid valve 4 and the exhaust solenoid valve 5 are both special valves capable of operating at high frequency, and the maximum operating frequency is 1000 hz.
In addition, please refer to fig. 2, fig. 2 is a schematic diagram of an electronic pressure controller according to the present invention; the control mode of the electronic pressure controller is set to be an inner ring control mode and an outer ring control mode, and an instruction air pressure signal is set through a full Chinese interface of the display screen 11. The electronic pressure controller determines to pressurize or depressurize the gas circuit load by comparing the difference between the given signal and the sensor signal, when the given signal value is larger than the feedback signal value, the air inlet electromagnetic valve 4 is opened, the air source supplies air to the gas circuit load, the gas circuit load is pressurized, when the given signal is smaller than the signal value of the sensor, the air outlet electromagnetic valve 5 is opened, and the gas of the gas circuit load is exhausted to the atmosphere to achieve the purpose of depressurization.
In the operation control of the intake solenoid valve 4 and the exhaust solenoid valve 5, the period of one operation is defined as 100 milliseconds, and in the 100 milliseconds, the solenoid valve may be opened for 50 milliseconds and closed for 50 milliseconds, and may also be opened for 20 milliseconds and closed for 80 milliseconds, and of course, may be opened for 100 milliseconds, and the calculation of the duty ratio follows the p.i.d calculation rule, and the value of the duty ratio is determined by the combined action of the automatic control P parameter (proportional parameter), the I parameter (integral parameter), and the D parameter (differential parameter), so that the user can adjust the three parameters to achieve the optimal static and dynamic characteristics of the pressure control.
The p.i.d. parameters of the electronic pressure controller are all set through the serial port of the computer, and the user sets the p.i.d. parameters and observes the pressure curve and the control mode through the full chinese interface of the display screen 11.
In addition, the CPU10 is provided with a 485 communication port, and can be remotely controlled, and the farthest communication distance is 1200 meters.
In addition, the operating temperature of the CPU10 is industrial: -20 ℃ to 60 ℃; military grade: -40 ℃ to 65 ℃; when the working temperature is lower than 0 ℃, no condensation can occur in the environment; the storage temperature of the CPU10 is-50 ℃ to 80 ℃.
Finally, the utility model discloses an ultrasonic flowmeter, its specific technical characterstic is as follows:
(1) the electronic pressure controller controls the fluid pressure according to the electric signal, so that the industrial automation requirement is met;
(2) the control software of the display screen is a full Chinese interface, so that the operation of Chinese engineers is facilitated;
(3) the whole device has high reliability and the service life can reach 10 years;
(4) the device has high measurement precision and linearity: ± 0.05%, hysteresis: ± 0.05%, reproducibility: plus or minus 0.05 percent;
(5) the CPU pressure controller is provided with a 485 communication port and can be remotely controlled, and the farthest communication distance is 1200 meters;
(6) the pressure controller CPU chip adopts a domestic military chip and is suitable for special industries such as domestic defense, military industry and the like.
It should be noted that the above mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be interpreted as limiting the scope of the present invention. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (6)
1. An electronic pressure controller is characterized by comprising a base (1), an air source port (2), an exhaust port (3), an air inlet electromagnetic valve (4), an exhaust electromagnetic valve (5), a support rod (6), a control panel (7), a power supply (8), a sensor (9), a CPU (10) and a display screen (11); wherein,
the base (1) is positioned at the lowest end of the whole device; the base (1) is provided with an air source port (2) and an exhaust port (3); the air inlet electromagnetic valve (4), the air outlet electromagnetic valve (5) and the four support rods (6) are fixedly connected to the upper surface of the base (1); the air inlet electromagnetic valve (4) is connected with the air source port (2), and the air outlet electromagnetic valve (5) is connected with the air outlet port (3); the four support rods (6) are positioned around the air inlet electromagnetic valve (4) and the air outlet electromagnetic valve (5); the upper ends of the four support rods (6) are fixedly connected with the control panel (7); the power supply (8) and the sensor (9) are fixedly connected to the control panel (7); the CPU (10) is fixedly connected to the power supply (8); the display screen (11) is externally connected and is in wireless communication connection with the CPU (10); the display screen (11) has control mode settings, sensor settings, given signal source settings, parameter settings and graphical display settings.
2. The electronic pressure controller according to claim 1, wherein the intake solenoid valve (4) and the exhaust solenoid valve (5) are special valves that can operate at a high frequency, and the maximum operating frequency is 1000 hz.
3. The electronic pressure controller according to claim 1, wherein the CPU (10) is provided with a 485 communication port for remote control, and the communication distance is 1200 m.
4. The electronic pressure controller according to claim 1, characterized in that the display screen (11) interface is a full chinese interface, facilitating operation.
5. The electronic pressure controller according to claim 1, wherein the CPU (10) is a military-grade CPU, operating at-40 ℃ to 65 ℃ and storage at-50 ℃ to 80 ℃.
6. The electronic pressure controller according to claim 1, wherein the control mode of the electronic pressure controller is set to both inner-loop control and outer-loop control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910451.9U CN208873054U (en) | 2018-11-20 | 2018-11-20 | A kind of electronic pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910451.9U CN208873054U (en) | 2018-11-20 | 2018-11-20 | A kind of electronic pressure controller |
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| Publication Number | Publication Date |
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| CN208873054U true CN208873054U (en) | 2019-05-17 |
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| CN201821910451.9U Active CN208873054U (en) | 2018-11-20 | 2018-11-20 | A kind of electronic pressure controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538358A (en) * | 2020-05-12 | 2020-08-14 | 行益科技(宁波)有限公司 | Thin type precision voltage regulating system |
| CN113093823A (en) * | 2021-03-05 | 2021-07-09 | 王刚绘 | Air pressure controller |
-
2018
- 2018-11-20 CN CN201821910451.9U patent/CN208873054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538358A (en) * | 2020-05-12 | 2020-08-14 | 行益科技(宁波)有限公司 | Thin type precision voltage regulating system |
| CN113093823A (en) * | 2021-03-05 | 2021-07-09 | 王刚绘 | Air pressure controller |
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