CN217425991U - Digital meter pressure control system - Google Patents
Digital meter pressure control system Download PDFInfo
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- CN217425991U CN217425991U CN202121761845.4U CN202121761845U CN217425991U CN 217425991 U CN217425991 U CN 217425991U CN 202121761845 U CN202121761845 U CN 202121761845U CN 217425991 U CN217425991 U CN 217425991U
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Abstract
The utility model discloses a digital meter pressure control system, including the control executor, the control executor output end is connected the pipeline, sets up the screw hole on the pipeline, still includes the pressure-inducing explosion-proof joint of hollow structure, and pressure-inducing explosion-proof joint threaded connection is in the screw hole, and the one end of keeping away from the pipeline in the pressure-inducing explosion-proof joint is fixed and is connected pressure sensor, and pressure sensor will draw and press the explosion-proof joint to keep apart into two cavitys, and pressure sensor connects the control circuit board, and control circuit board connects gradually control execution unit, control executor; the pressure control system of the utility model can independently complete the function of a measurement and control system which takes pressure as input, and automatically adjust and control the output of an actuator according to the detected pressure so as to control the input of fluid in a pipeline; meanwhile, the equipment supports long-term working under the condition without power supply to measure the pressure state; the device is highly integrated, small in size, safe and reliable, and easy to install and maintain on site.
Description
Technical Field
The utility model belongs to the technical field of digital instrument and meter, concretely relates to digital meter pressure control system.
Background
In industrial field applications, the measurement and control of pressure parameters is spread over almost all fields of use. There are a few applied models in which the output state is controlled with pressure data as an input quantity.
For such measurement and control models, the current solution is to use a pressure transmitter as an independent pressure measurement device, transmit measurement data to control units such as an embedded system and a PLC through the device, and control the control unit to adjust the output state by controlling an actuator to realize the complete measurement and control function of the system. In the application mode, the system structure is complex, multiple types of equipment participate together, so that the whole scheme occupies a large space, and the implementation cost is high. This is not suitable for some scenarios where there are limitations on the size of the device, cost sensitivity, and flexibility in the manner of application. At present, the market lacks an integrated device which is miniaturized, controllable in cost, integrated with pressure measurement and capable of outputting a control state.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a digital meter pressure control system adjusts the interior fluid input of pipeline by oneself according to the pipeline internal pressure.
The utility model provides a technical scheme who adopts is, a digital meter pressure control system, including the control executor, control executor output connecting tube sets up the screw hole on the pipeline, still includes hollow structure's the explosion-proof joint of drawing pressure, draws and presses explosion-proof joint threaded connection in the screw hole, draws and presses the one end fixed connection pressure sensor who keeps away from the pipeline in the explosion-proof joint, and pressure sensor will draw and press explosion-proof joint to keep apart into two cavitys, and pressure sensor connection control circuit board, control circuit board connect gradually control execution unit, control executor.
The utility model discloses a characteristics still lie in:
the outer wall of one end of the pressure-leading explosion-proof joint, which is far away from the pipeline, is hermetically connected with a watchcase, the outer wall of the watchcase is fixedly connected with a liquid crystal display, and the liquid crystal display is connected with a control circuit board.
The control execution unit comprises a pulse modulator connected with the control circuit board, and the pulse modulator is sequentially connected with the driving circuit and the control actuator.
The control circuit board comprises a central processing unit, the central processing unit is sequentially connected with the analog sampler and the pressure sensor, and the control circuit board further comprises a power supply, and the power supply is respectively connected with the central processing unit, the analog sampler and the pressure sensor.
The control circuit board also comprises a display control circuit connected with the liquid crystal display, and the display control circuit is connected with the central processing unit.
The central processing unit is connected with the data storage circuit.
The central processing unit is connected with the exception handler.
The central processing unit is connected with the alarm monitor.
The central processing unit is connected with the communication manager.
The connecting terminal is connected with the control circuit board and penetrates through the side wall of the watchcase.
The beneficial effects of the utility model are that:
the utility model relates to a digital meter pressure control system, which can independently complete the function of a measurement and control system taking pressure as input, and automatically adjust and control the output of an actuator according to the detected pressure so as to control the input of fluid in a pipeline; meanwhile, the equipment supports long-term working under the condition without power supply to measure the pressure state; the device is highly integrated, small in size, safe, reliable and easy to install and maintain on site.
Drawings
FIG. 1 is a schematic diagram of a pressure control system of a digital meter according to the present invention;
fig. 2 is a connection relationship diagram of each module in the pressure control system of a digital meter according to the present invention.
In the figure, 1, a control actuator, 2, a pressure-leading explosion-proof joint, 3, a pressure sensor, 4, a control circuit board, 401, a central processing unit, 402, a communication manager, 403, an analog sampler, 404, a power supply, 405, a display control circuit, 406, a data storage circuit, 407, an exception processor, 408, an alarm monitor, 5, a liquid crystal display, 6, a meter shell, 7, a control execution unit, 701, a pulse modulator, 702 and a driving circuit are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a digital meter pressure control system, as shown in figure 1, including control actuator 1, the control actuator 1 output end is connected with the pipeline, set up the screw hole on the pipeline, still include the pressure-inducing explosion-proof joint 2 of hollow structure, pressure-inducing explosion-proof joint 2 threaded connection is in the screw hole, and pressure-inducing explosion-proof joint 2 and pipeline seal, one end of keeping away from the pipeline in pressure-inducing explosion-proof joint 2 is fixed and connected with pressure sensor 3, pressure sensor 3 isolates pressure-inducing explosion-proof joint 2 into two cavities, pressure sensor 3 is connected with control circuit board 4, control circuit board 4 connects gradually control execution unit 7, control actuator 1, the pipeline, pressure-inducing explosion-proof joint 2, pressure sensor 3, control circuit board 4, control execution unit 7 forms closed loop in proper order, according to the fluid pressure in the pipeline that detects, the input of control actuator 1, the purpose of controlling the fluid in the pipeline is achieved.
The outer wall of one end of the pressure-leading explosion-proof joint 2, which is far away from the pipeline, is hermetically connected with a watchcase 8, the outer wall of the watchcase 8 is fixedly connected with a liquid crystal display 5, the liquid crystal display 5 is connected with a control circuit board 4, the watchcase 8 is connected with the control circuit board 4 and the liquid crystal display 5, and the pressure-leading explosion-proof joint can support the control circuit board 4 and the liquid crystal display 5.
As shown in fig. 2, the control execution unit 7 includes a pulse modulator 701 connected to the control circuit board 4, the pulse modulator 701 is sequentially connected to the driving circuit 702 and the control actuator 1, a pulse control signal is input to the pulse modulator 701 through the control circuit board 4, the pulse modulator 701 outputs a corresponding pulse signal, the control actuator 1 is driven by the driving circuit 702 to increase or decrease the output of the fluid, and the control actuator 1 may be a pipe flow control element such as a water pump or an electronic control valve.
The control circuit board 4 comprises a central processing unit 401, the central processing unit 401 is sequentially connected with an analog sampler 403 and a pressure sensor 3, the analog sampler 403 can collect pressure information detected by the pressure sensor 3, the pressure information is transmitted to the analog sampler 403 in the form of analog signals and transmitted to the central processing unit 401 through the analog sampler 403, the central processing unit 401 obtains the pressure information in the pressure sensor 3 and converts the pressure information into standard pressure data, and the control circuit board further comprises a power supply 404, and the power supply 404 is respectively connected with the central processing unit 401, the analog sampler 403 and the pressure sensor 3 and supplies power to the central processing unit 401, the analog sampler 403 and the pressure sensor 3.
The central processing unit 401 is connected with the data storage 406, the data storage 406 can store standard pressure data to realize the power-down storage function of the equipment data, and the data storage 406 updates and stores corresponding parameter data; the data storage 406 records the measured data according to the rule based on the configured recording parameters.
The central processing unit 401 is connected with the exception handler 407, the exception handler 407 is further connected with a power supply 404 capable of supplying power, the exception handler 407 can analyze the running state of each unit in real time, judge the exception of the system, and when the exception occurs, the system automatically reloads according to the condition to a proper degree.
The central processing unit 401 is connected to an alarm monitor 408, and the alarm monitor 408 can monitor abnormal data and issue an alarm when abnormal data occurs.
The central processing unit 401 is connected with the communication manager 402, the communication manager 402 is connected with the power supply 404, and the communication manager analyzes the data interaction content, and judges the analysis method and the data correctness and misjudgment.
8 lateral walls of watchcase cross-under connection binding post 6, binding post 6 connection control circuit board 4, binding post is used for external power supply access, communication interaction.
The utility model relates to a digital meter pressure control system's application method does:
when the pressure sensor is used, the control actuator and other electrical structures are connected with a circuit, fluid is introduced into the pipeline, the fluid in the pipeline enters the pressure-leading explosion-proof joint 2 and then extrudes the pressure sensor 3, fluid pressure information is detected through the pressure sensor 3, and the pressure information is transmitted to the control circuit board 4.
The analog sampler 403 collects pressure information and transmits the pressure information to the central processing unit 401, the central processing unit 401 converts the pressure information into standard pressure data, the standard pressure data is displayed by the liquid crystal display 5, the standard pressure data is transmitted to the data storage 406 for storage, the standard pressure data is transmitted to the abnormality processor 407 for abnormal condition judgment, and the standard pressure data is transmitted to the alarm monitor 408 for alarming when the pressure in the pipeline is too high or too low.
When the pressure in the pipeline is higher or lower, the central processing unit 401 sends a corresponding adjustment instruction to the pulse modulator 701, the pulse modulator 701 sends a pulse control driving circuit 702, and the driving control actuator 1 adjusts the flow rate of the output fluid in unit time, so that the effect of controlling the water pressure in the pipeline is finally achieved.
In this way, the utility model relates to a digital meter pressure control system can independently accomplish the system function of observing and controling that uses pressure as input to according to the output of the automatic regulation control executor of the pressure that detects, come the input of the fluid of control pipeline with this; meanwhile, the equipment supports long-term working under the condition without power supply to measure the pressure state; the device is highly integrated, small in size, safe and reliable, and easy to install and maintain on site.
Claims (10)
1. The utility model provides a digital meter pressure control system, its characterized in that, includes control executor (1), control executor (1) output connecting tube, set up the screw hole on the pipeline, still include hollow structure's the explosion-proof joint of drawing pressure (2), draw and press explosion-proof joint (2) threaded connection in the screw hole, draw and press one end fixed connection pressure sensor (3) of keeping away from the pipeline in explosion-proof joint (2), pressure sensor (3) will draw and press explosion-proof joint (2) to keep apart into two cavitys, pressure sensor (3) connection control circuit board (4), control circuit board (4) connect gradually control execution unit (7), control executor (1).
2. The pressure control system of the digital meter is characterized in that the outer wall of one end, far away from the pipeline, of the pressure-leading explosion-proof joint (2) is connected with a meter shell (8) in a sealing mode, the outer wall of the meter shell (8) is fixedly connected with a liquid crystal display (5), and the liquid crystal display (5) is connected with a control circuit board (4).
3. The pressure control system of the digital meter according to claim 1, characterized in that the control execution unit (7) comprises a pulse modulator (701) connected with the control circuit board (4), and the pulse modulator (701) is connected with the driving circuit (702) and the control actuator (1) in sequence.
4. The pressure control system of the digital meter according to claim 2, wherein the control circuit board (4) comprises a central processing unit (401), the central processing unit (401) is sequentially connected with the analog sampler (403) and the pressure sensor (3), and the pressure control system further comprises a power supply (404), and the power supply (404) is respectively connected with the central processing unit (401), the analog sampler (403) and the pressure sensor (3).
5. The pressure control system of the digital meter according to claim 4, wherein the control circuit board (4) further comprises a display control circuit (405) connected to the liquid crystal display (5), and the display control circuit (405) is connected to the central processing unit (401).
6. A digital gauge pressure control system according to claim 4, wherein the central processor (401) is connected to a data storage circuit (406).
7. A digital gauge pressure control system according to claim 4, characterized in that the central processor (401) is connected to an anomaly processor (407).
8. A digital gauge pressure control system according to claim 4, wherein the central processor (401) is connected to an alarm monitor (408).
9. A digital gauge pressure control system according to claim 4, characterized in that the central processor (401) is connected to a communication manager (402).
10. A digital pressure gauge control system according to claim 4, further comprising a terminal (6) connected to the control circuit board (4), said terminal (6) being threaded through a side wall of the gauge case (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761845.4U CN217425991U (en) | 2021-07-30 | 2021-07-30 | Digital meter pressure control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761845.4U CN217425991U (en) | 2021-07-30 | 2021-07-30 | Digital meter pressure control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217425991U true CN217425991U (en) | 2022-09-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121761845.4U Active CN217425991U (en) | 2021-07-30 | 2021-07-30 | Digital meter pressure control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217425991U (en) |
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2021
- 2021-07-30 CN CN202121761845.4U patent/CN217425991U/en active Active
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