CN210601067U - Intelligent building gas pipeline pressure maintaining system - Google Patents
Intelligent building gas pipeline pressure maintaining system Download PDFInfo
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- CN210601067U CN210601067U CN201921140204.XU CN201921140204U CN210601067U CN 210601067 U CN210601067 U CN 210601067U CN 201921140204 U CN201921140204 U CN 201921140204U CN 210601067 U CN210601067 U CN 210601067U
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- gas pipeline
- controller mcu
- control circuit
- pressure maintaining
- intelligent building
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Abstract
The utility model provides an intelligent building gas pipeline pressure maintaining system, which comprises an air pump and a pressure maintaining control circuit; the air pump is used for pumping air into the fuel gas pipeline; the pressure maintaining control circuit comprises a controller MCU, a pump valve control circuit, a pressure measuring circuit and a display screen; the pump valve control circuit is connected with the controller MCU and used for controlling the opening and closing of the air pump according to a pump valve control instruction; the pressure measuring circuit is connected with the controller MCU and is used for acquiring a test pressure value in a gas pipeline in real time and transmitting the test pressure value to the controller MCU; the controller MCU is used for receiving and storing the test pressure value and generating the pump valve control instruction according to the test pressure value; and the display screen is connected with the controller MCU and used for displaying the test pressure value. This intelligent building gas pipeline pressurize system has detection efficiency height and labour saving and time saving's advantage.
Description
Technical Field
The utility model relates to a gas pipeline test technical field, specific theory has related to an intelligent building gas pipeline pressurize system.
Background
After the gas pipeline of a building is laid, the construction quality of the gas pipeline needs to be detected, wherein an important detection index is the pressure maintaining test of the gas pipeline. In the prior art, the pressure maintaining test mainly adopts a U-shaped meter, and the pressure maintaining test is carried out by a worker through the U-shaped meter by the following steps: (1) and (3) zero calibration of the instrument: vertically placing a U-shaped water column meter before using, checking whether water levels in water columns at two sides of the meter are over against a middle zero scale mark, and adding when the water levels are lower than the middle zero scale mark and pouring when the water levels are higher than the middle zero scale mark; (2) connecting an interface at one end of a water column meter to a pressure measuring port of the tested equipment, and keeping the other end of the water column meter open to the atmosphere; (3) ventilating and measuring pressure: and (3) keeping the water column meter vertically placed, slowly opening the air valve in front of the pressure measuring port, observing the change distance of the water column after the water column in the water column meter is stabilized, and calculating the change value of the water column by using the sum of the descending reading of the water column connected with the pressure measuring port and the ascending reading of the water column communicated with the atmosphere, namely the required data.
However, the problem of large human error exists when a U-shaped meter is adopted to carry out pressure maintaining on a building gas pipeline, and the reason of the large human error is that the pipeline is pressed and corresponding test results filled in a later period depend on human experience, so that the accuracy rate of the traditional pressure maintaining measurement technology is not high, and the working efficiency is low; in addition, the problem that partial environment is not easy to take electricity exists.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at providing a not enough to prior art to an intelligent building gas pipeline pressurize system is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an intelligent building gas pipeline pressure maintaining system comprises an air pump and a pressure maintaining control circuit;
the air pump is used for pumping air into the fuel gas pipeline;
the pressure maintaining control circuit comprises a controller MCU, a pump valve control circuit, a pressure measuring circuit and a display screen;
the pump valve control circuit is connected with the controller MCU and used for controlling the opening and closing of the air pump according to a pump valve control instruction;
the pressure measuring circuit is connected with the controller MCU and is used for acquiring a test pressure value in a gas pipeline in real time and transmitting the test pressure value to the controller MCU;
the controller MCU is used for receiving and storing the test pressure value and generating the pump valve control instruction according to the test pressure value;
and the display screen is connected with the controller MCU and used for displaying the test pressure value.
Based on the above, the pump valve control circuit includes a first interface chip, a second interface chip, a first control circuit and a second control circuit;
the input ends of the first interface chip and the second interface chip are connected with pins of the controller MCU, the output end of the first interface chip is connected with the control end of the air pump through a first control circuit, and the output end of the second interface chip is connected with the control end of the air pump through a second control circuit.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory:
1) the utility model provides an intelligent building gas pipeline pressure maintaining system, which comprises an air pump and a pressure maintaining control circuit, wherein the pressure maintaining control circuit comprises a controller MCU, a pump valve control circuit, a pressure measuring circuit, a display screen and the like; the pump valve control circuit is used for controlling the air pump to pump air into a pressure test port of the gas pipeline; the pressure measuring circuit is used for detecting a test pressure value in the gas pipeline and transmitting the test pressure value to the controller MCU; the display screen is used for displaying the detected test pressure value in the gas pipeline;
therefore, the utility model solves the problems that the traditional building gas pipeline pressure maintaining device can not track and record the measured data, and needs to manually press the pipeline and fill the corresponding test result in the later period by experience, thereby greatly improving the gas pipeline pressure maintaining efficiency, effectively avoiding human errors, being capable of electronically filing the test data and realizing paperless office work;
2) the pins of the controller MCU are also connected with a wireless communication module, and the wireless communication module is in communication interconnection with the remote monitoring terminal; make this intelligent building gas pipeline pressurize system possess the networking function.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2A is a schematic circuit diagram of the controller MCU of the present invention.
Fig. 2B to fig. 2F are schematic circuit diagrams of the auxiliary circuits of the controller MCU according to the present invention.
Fig. 3A and 3B are schematic circuit diagrams of a pump valve control circuit according to the present invention.
Fig. 4 is a schematic circuit diagram of the charging circuit of the present invention.
Fig. 5 is a schematic circuit diagram of the external power supply circuit of the present invention.
Fig. 6 is a schematic circuit diagram of the bluetooth module of the present invention.
Fig. 7 is a circuit schematic diagram of the GPRS module of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
As shown in the attached drawings 1 and 2A, the intelligent building gas pipeline pressure maintaining system comprises an air pump and a pressure maintaining control circuit; the air pump is used for pumping air into the fuel gas pipeline; the pressure maintaining control circuit comprises a controller MCU, a pump valve control circuit, a pressure measuring circuit and a display screen; the pump valve control circuit is connected with the controller MCU and used for controlling the opening and closing of the air pump according to a pump valve control instruction; the pressure measuring circuit is connected with the controller MCU and is used for acquiring a test pressure value in a gas pipeline in real time and transmitting the test pressure value to the controller MCU; the controller MCU is used for receiving and storing the test pressure value and generating the pump valve control instruction according to the test pressure value; and the display screen is connected with the controller MCU and used for displaying the test pressure value.
Wherein, fig. 2A shows a circuit schematic diagram of the controller MCU of the present invention; FIG. 2B shows a schematic diagram of a reset circuit of the controller MCU, the RST terminal being connected to the RST pin of the controller MCU; FIG. 2C is a schematic diagram of a crystal oscillator circuit of the controller MCU, wherein an Xin terminal is connected to an Xin pin of the controller MCU, and an Xout terminal is connected to an Xout pin of the controller MCU; fig. 2D and 2E show a terminal block circuit schematic; FIG. 2F shows a schematic diagram of the power connection of the controller MCU, wherein the Vref terminal is connected with the Vref pin of the controller MCU, the AVcc terminal is connected with the AVcc pin of the controller MCU, the VaSys1 terminal and the VaSys2 terminal are correspondingly connected with the VaSys1 pin and the VaSys2 pin of the controller MCU, the VSys 1 terminal and the VSys 2 terminal are correspondingly connected with the VSys 1 pin and the VSys 2 pin of the controller MCU, the Vcore terminal is connected with the Vcore pin of the controller MCU, and the DVcc terminal is connected with the DVcc pin of the controller MCU.
In this embodiment, the pin of the controller MCU is further connected to an alarm circuit, and when the pressure measurement circuit detects that the test pressure value in the gas pipeline is significantly decreased, the controller MCU sends an alarm command to drive the alarm circuit to act, thereby giving an alarm to the operator.
When the building gas pipeline is subjected to pressure maintaining test, the controller MCU controls the air pump to start working through the pump valve control circuit, and the air pump pumps air into the gas pipeline through the inflation tube; the pressure measuring circuit acquires a test pressure value in the gas pipeline in real time, and when the pressure measuring circuit detects that the test pressure value in the gas pipeline reaches a preset experimental pressure value, the controller MCU generates a pump valve control instruction and controls the air pump to stop working through the pump valve control circuit; and meanwhile, the controller MCU starts timing, if the pressure measuring circuit detects that the test pressure value in the gas pipeline is within a preset range within the preset pressure maintaining time, the gas pipeline is judged to be qualified in test, and otherwise, the controller MCU drives the alarm circuit to send alarm information.
In this embodiment, the pin of the controller MCU is further connected to the charging circuit and the external power supply circuit, so as to supply power to each part of the intelligent building gas pipeline pressure maintaining system.
In this embodiment, the pin of the controller MCU is further connected to a memory chip for storing the detected pressure value in the gas pipeline and the test parameters, where the test parameters include the pressure holding time and the test pressure value of the gas pipeline, and the memory chip is FM24CL 64B.
Therefore, the intelligent building gas pipeline pressure maintaining system solves the technical problems that the measured data cannot be tracked and recorded in the pressure maintaining process of the existing building gas pipeline, the pipeline is required to be manually pressed by depending on experience and corresponding test results are filled in at the later stage, the pressure maintaining efficiency of the gas pipeline is greatly improved, the artificial errors are effectively avoided, the electronic filing of the test data is realized, and paperless office work is realized.
Example 2
In this embodiment, a specific implementation of a pump valve control circuit is given, as shown in fig. 3A and fig. 3B, the pump valve control circuit includes a first interface chip, a second interface chip, a first control circuit, and a second control circuit; the input ends of the first interface chip and the second interface chip are connected with pins of the controller MCU, the output end of the first interface chip is connected with the control end of the air pump through a first control circuit, and the output end of the second interface chip is connected with the control end of the air pump through a second control circuit; the input end of the pump valve control circuit is connected with the output end of the controller MCU, and the output end of the pump valve control circuit is connected with the input end of the air pump. When the test is started, the controller MCU generates a pump valve control instruction and transmits the pump valve control instruction to the pump valve control circuit, and the pump valve control circuit receives the pump valve control instruction and controls the air pump to start; when the pressure measuring circuit detects that the test pressure value in the gas pipeline reaches a preset experiment pressure value, the controller MCU receives a pump valve control instruction generated by the test pressure value, and the pump valve control circuit receives the pump valve control instruction and controls the air pump to be closed.
In fig. 3A, the terminal of the ReA and the terminal of the DeA are connected to a pin of the controller MCU, and the terminal of 485+ a and the terminal of 485-a are connected to a 485 interface of the air pump; the ReB terminal and the DeB terminal in the attached figure 3B are connected with a pin of the controller MCU, and the 485+ B terminal and the 485-B terminal are connected with a 485 interface of the air pump.
The embodiment also provides a specific implementation mode of the alarm circuit, the alarm circuit adopts a buzzer or an audible and visual alarm circuit, if the pressure measuring circuit detects that the test pressure value in the gas pipeline is not within the preset range within the preset pressure maintaining time, the gas pipeline is judged to be unqualified in test, the controller MCU generates an alarm instruction, and the alarm circuit receives the alarm instruction and sends out alarm information according to the alarm instruction. The buzzer or the sound-light alarm circuit is a conventional technical means, and detailed description is omitted; in other embodiments, the alarm circuit may further adopt a voice alarm chip, and the model of the voice alarm chip is JQ 6400.
Fig. 4 shows a schematic circuit diagram of a charging circuit of the present invention, and fig. 5 shows a schematic circuit diagram of an external power supply circuit of the present invention; the problem of the power supply of each part of this intelligent building gas pipeline pressurize system is solved, the difficult problem of getting electricity in partial environment has effectively been solved.
Preferably, the model of the memory chip is FM24CL 64B; the pressure measuring circuit adopts a gas pressure sensor, and the model of the gas pressure sensor is PTJ203 or MPX 4105; the display screen adopts the LCD screen or touch display screen, and the model of touch display screen is KNY800480T43F 02.
Example 3
The present embodiment differs from the above embodiments in that: the pins of the controller MCU are also connected with a wireless communication module, and the wireless communication module is in communication interconnection with the remote monitoring terminal; preferably, the wireless communication module is a bluetooth module and a GPRS module, and the remote monitoring terminal is a smart phone, a tablet computer or a server, so that the intelligent building gas pipeline pressure maintaining system has a networking function.
As shown in fig. 6, a pin of the controller MCU is connected to a bluetooth module, and the bluetooth module is in communication with a remote monitoring terminal to set test parameters of the intelligent building gas pipeline pressure maintaining system; in this embodiment, this intelligent building gas pipeline pressurize system carries out the communication based on bluetooth BLE5.0 technique.
As shown in fig. 7, a pin of the controller MCU is connected to the GPRS module to transmit the detected pressure value and test parameters in the gas pipeline to the remote monitoring terminal through the GPRS module, thereby realizing remote monitoring of the building gas pipeline pressure maintaining test process by the worker.
When the building gas pipeline is subjected to networking pressure maintaining test, the controller MCU controls the air pump to start working through the pump valve control circuit, and the air pump pressurizes a pressure test port of the gas pipeline through an inflation tube; when the pressure measuring circuit detects that the pressure value in the gas pipeline reaches a preset experimental pressure value, the controller MCU controls the air pump to stop working through the pump valve control circuit, and meanwhile, the controller MCU starts timing; if in the preset dwell time, the pressure measurement circuit detects that the pressure value in the gas pipeline obviously descends, then controller MCU drives alarm circuit sends alarm information, and passes through wireless communication module to remote monitoring terminal sends warning information, and suggestion staff's pipe network has the dew point of revealing to in time carry out gas pipeline maintenance, ensured the security of the lives and property.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (8)
1. The utility model provides an intelligent building gas pipeline pressurize system which characterized in that: comprises an air pump and a pressure maintaining control circuit;
the air pump is used for pumping air into the fuel gas pipeline;
the pressure maintaining control circuit comprises a controller MCU, a pump valve control circuit, a pressure measuring circuit and a display screen;
the pump valve control circuit is connected with the controller MCU and used for controlling the opening and closing of the air pump according to a pump valve control instruction;
the pressure measuring circuit is connected with the controller MCU and is used for acquiring a test pressure value in a gas pipeline in real time and transmitting the test pressure value to the controller MCU;
the controller MCU is used for receiving and storing the test pressure value and generating the pump valve control instruction according to the test pressure value;
and the display screen is connected with the controller MCU and used for displaying the test pressure value.
2. The intelligent building gas pipeline pressure maintaining system of claim 1, wherein: the pump valve control circuit comprises a first interface chip, a second interface chip, a first control circuit and a second control circuit;
the input ends of the first interface chip and the second interface chip are connected with pins of the controller MCU, the output end of the first interface chip is connected with the control end of the air pump through a first control circuit, and the output end of the second interface chip is connected with the control end of the air pump through a second control circuit.
3. The intelligent building gas pipeline pressure maintaining system of claim 2, wherein: the pins of the controller MCU are also connected with a wireless communication module, and the wireless communication module is in communication interconnection with the remote monitoring terminal;
the wireless communication module is a Bluetooth module and a GPRS module, and the remote monitoring terminal is a smart phone, a tablet personal computer or a server.
4. The intelligent building gas pipeline pressure maintaining system of claim 1, wherein: and the pin of the controller MCU is also connected with an alarm circuit.
5. The intelligent building gas pipeline pressure maintaining system of claim 4, wherein: and the pin of the controller MCU is also connected with the memory chip.
6. The intelligent building gas pipeline pressure maintaining system of claim 1, wherein: and the pin of the controller MCU is also connected with the charging circuit and the external power supply circuit.
7. The intelligent building gas pipeline pressure maintaining system of claim 1, wherein: the pressure measuring circuit adopts a gas pressure sensor.
8. The intelligent building gas pipeline pressure maintaining system of claim 1, wherein: the display screen adopts a touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140204.XU CN210601067U (en) | 2019-07-19 | 2019-07-19 | Intelligent building gas pipeline pressure maintaining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140204.XU CN210601067U (en) | 2019-07-19 | 2019-07-19 | Intelligent building gas pipeline pressure maintaining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210601067U true CN210601067U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921140204.XU Active CN210601067U (en) | 2019-07-19 | 2019-07-19 | Intelligent building gas pipeline pressure maintaining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210601067U (en) |
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2019
- 2019-07-19 CN CN201921140204.XU patent/CN210601067U/en active Active
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