Two-stage pressure regulator capable of automatically regulating digital pressure

Abstract

The utility model provides a two-stage pressure regulator capable of automatically regulating digital pressure, which relates to the technical field of pressure measuring tools and comprises a two-stage pressure regulator, a first digital pressure gauge and a second digital pressure gauge. The first digital pressure gauge and the second digital pressure gauge are respectively arranged at two ends of the two-stage pressure regulator; according to the first digital pressure gauge and the second digital pressure gauge of the two-stage pressure regulator, pressure sensors are used for measuring pressure values, a pressure sensor control panel is used for displaying the real-time pressure values, data can be wirelessly transmitted through a G internet of things module, a motor control panel can be synchronously and wirelessly controlled, and the pressure regulator is convenient to use. The motor drives the manual regulating valve rod of the two-stage pressure regulator to operate, remote electric control on and off and pressure regulation are facilitated, remote pressure value monitoring and regulation of the low-pressure end are achieved, and support is provided for remote gas concentration calibration of an automatic ambient air monitoring system.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure measuring tools, in particular to a two-stage pressure regulator for automatic digital pressure regulation. Background Art

[0002] The existing technology is to use a digital pressure gauge to measure the pressure of the cylinder, and alarm when the pressure is lower than a certain level. The technology used is to use a digital pressure gauge instead of a mechanical pressure gauge, and add an alarm device. The existing technology can only realize the pressure display and alarm on site. When there are people, it can play a reminder and warning role and take measures, but when there are no people on site, it will not work.

[0003] When calibrating the gas concentration of the automatic ambient air monitoring system, the standard gas cylinder is connected to the two-stage pressure regulator to achieve closing, opening and stable flow output. The two-stage pressure regulator uses a mechanical pointer pressure gauge to display high and low pressures. The low pressure adjustment is a mechanical valve, which is manually adjusted. If remote calibration is to be achieved, all standard gas cylinders will be opened and the low pressure gauge will be adjusted to 0.2MPa. When the station is unattended, there is a risk of gas leakage, which is extremely unsafe. Therefore, the utility model proposes a two-stage pressure regulator with digital pressure automatic adjustment to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a two-stage pressure regulator with digital automatic pressure adjustment. The pressure value of the two-stage pressure regulator with digital automatic pressure adjustment is transmitted remotely in real time, and the pressure at the low-pressure end is automatically adjusted remotely to realize remote monitoring and control. It is a key link in supporting the construction of smart stations in the environmental protection industry and is of great significance.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a two-stage pressure regulator with digital pressure automatic adjustment, comprising a two-stage pressure regulator, a first digital pressure gauge and a second digital pressure gauge, the two-stage pressure regulator is arranged on the mouth tube of the cylinder, the first digital pressure gauge and the second digital pressure gauge are respectively arranged at both ends of the two-stage pressure regulator, the two-stage pressure regulator is provided with an electric adjustment component, and the electric adjustment component comprises an outer cover, a motor and a motor control board, the motor and the motor control board are arranged inside the outer cover, and the motor control board is electrically connected to the motor, and the output end of the motor is connected to the manual adjustment valve stem of the two-stage pressure regulator;

[0006] The first digital pressure gauge and the second digital pressure gauge include a case, a pressure sensor and a pressure sensor control board. The pressure sensor and the pressure sensor control board are both arranged inside the case, and the pressure sensor control board is electrically connected to the pressure sensor. The motor control board and the pressure sensor control board are both provided with a 4G Internet of Things module.

[0007] A further improvement is that a cover plate is provided above the watch case, and a transparent window is provided on the cover plate, and a display screen is provided on the pressure sensor control panel.

[0008] A further improvement is that a battery is provided inside the watch case, and the battery is used to supply power to the pressure sensor control board and the pressure sensor, and a first charging port is provided on the watch case.

[0009] A further improvement is that a battery pack is provided inside the outer cover, and the battery pack is used to supply power to the motor and the motor control board, and a second charging port is provided on the outer cover.

[0010] A further improvement is that a first wired communication port is provided on the watch case, and the first wired communication port is electrically connected to the pressure sensor control board.

[0011] A further improvement is that a second wired communication port is provided on the outer cover, and the second wired communication port is electrically connected to the motor control board.

[0012] A further improvement is that a fixing seat is welded and fixed on the two-stage pressure regulator, and the outer cover is installed on the fixing seat.

[0013] The beneficial effects of the utility model are:

[0014] 1. The first digital pressure gauge and the second digital pressure gauge of the two-stage pressure regulator of the utility model use pressure sensors to measure pressure values, and use the pressure sensor control board to display the real-time pressure value. The data can be transmitted wirelessly through the G Internet of Things module, and the motor control board can be wirelessly controlled synchronously, so that the motor drives the manual adjustment valve stem of the two-stage pressure regulator to operate, which is convenient for remote electric control of opening and closing and pressure adjustment, realizes remote pressure value monitoring and adjustment at the low-pressure end, and provides support for remote gas concentration calibration of the automatic ambient air monitoring system.

[0015] 2. The utility model realizes remote monitoring and calibration, ensures the credibility of environmental protection data, ensures the safety of the station building, eliminates the risk of standard gas leakage, fills the gap in the construction of smart station buildings, reduces the waste of standard gas, and saves money. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is a schematic diagram of the composition of the utility model.

[0018] Among them: 1. Two-stage pressure regulator; 2. First digital pressure gauge; 3. Second digital pressure gauge; 4. Cylinder; 5. Outer cover; 6. Motor; 7. Motor control board; 8. Case; 9. Pressure sensor; 10. Pressure sensor control board; 11. Cover; 12. Battery; 13. Fixing seat. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention. Example

[0020] according to Figure 1 , 2 As shown, this embodiment proposes a two-stage pressure regulator with digital pressure automatic regulation, including a two-stage pressure regulator 1, a first digital pressure gauge 2 and a second digital pressure gauge 3, wherein the two-stage pressure regulator 1 is arranged on the mouth tube of the steel cylinder 4, the first digital pressure gauge 2 and the second digital pressure gauge 3 are respectively arranged at both ends of the two-stage pressure regulator 1, the two-stage pressure regulator 1 is provided with an electric adjustment component, and the electric adjustment component includes an outer cover 5, a motor 6 and a motor control board 7, the motor 6 and the motor control board 7 are arranged inside the outer cover 5, and the motor control board 7 is electrically connected to the motor 6, and the output end of the motor 6 is connected to the manual adjustment valve stem of the two-stage pressure regulator 1;

[0021] The first digital pressure gauge 2 and the second digital pressure gauge 3 include a case 8, a pressure sensor 9 and a pressure sensor control board 10. The pressure sensor 9 and the pressure sensor control board 10 are both arranged inside the case 8, and the pressure sensor control board 10 is electrically connected to the pressure sensor 9. The motor control board 7 and the pressure sensor control board 10 are both provided with a 4G Internet of Things module. When in use, the first digital pressure gauge 2 and the second digital pressure gauge 3 use the pressure sensor 9 to measure the pressure value, and use the pressure sensor control board 10 to display the real-time pressure value. The data can be wirelessly transmitted through the 4G Internet of Things module, and the motor control board 7 can be wirelessly controlled synchronously, so that the motor 6 drives the manual adjustment valve stem of the two-stage pressure regulator 1 to operate, which is convenient for remote electric control of opening and closing and pressure adjustment, realizes remote pressure value monitoring and adjustment at the low-pressure end, and provides support for remote gas concentration calibration of the ambient air automatic monitoring system. When calibrating the gas concentration of the automatic ambient air monitoring system, the pressure at the output end of the standard gas should be stabilized at 0.2MPa in order to accurately output a stable flow rate. This product remotely obtains the real-time pressure of the first digital pressure gauge 2 and the second digital pressure gauge 3 on the two-stage pressure regulator 1. When the gauge pressure at the high-pressure end is lower than 0.2MPa, it prompts that the standard gas cylinder 4 should be replaced; when the gauge pressure at the low-pressure end is lower than 0.2MPa, the low-pressure gauge pressure can be remotely adjusted to stabilize at 0.2MPa, thereby achieving the stability of the calibrated flow rate, filling the gap in the construction of smart stations in the environmental protection industry, which is of great significance.

[0022] A cover plate 11 is provided above the case 8, and a transparent window is provided on the cover plate 11, and a display screen is provided on the pressure sensor control board 10. The first digital pressure gauge 2 and the second digital pressure gauge 3 use the pressure sensor 9 to measure the pressure value, and the display screen on the pressure sensor control board 10 displays the real-time pressure value.

[0023] A battery 12 is provided inside the watch case 8, and the battery 12 is used to power the pressure sensor control board 10 and the pressure sensor 9. A first charging port is provided on the watch case 8. A battery pack is provided inside the outer cover 5, and the battery pack is used to power the motor 6 and the motor control board 7. A second charging port is provided on the outer cover 5 for power supply and charging.

[0024] A fixing seat 13 is welded and fixed on the two-stage pressure regulator 1, and the outer cover 5 is installed on the fixing seat 13. This is similar to connecting and fixing the electric adjustment component and the two-stage pressure regulator 1. Example

[0025] according to Figure 1 , 2As shown, this embodiment proposes a two-stage pressure regulator with digital pressure automatic regulation, including a two-stage pressure regulator 1, a first digital pressure gauge 2 and a second digital pressure gauge 3, wherein the two-stage pressure regulator 1 is arranged on the mouth tube of the steel cylinder 4, the first digital pressure gauge 2 and the second digital pressure gauge 3 are respectively arranged at both ends of the two-stage pressure regulator 1, the two-stage pressure regulator 1 is provided with an electric adjustment component, and the electric adjustment component includes an outer cover 5, a motor 6 and a motor control board 7, the motor 6 and the motor control board 7 are arranged inside the outer cover 5, and the motor control board 7 is electrically connected to the motor 6, and the output end of the motor 6 is connected to the manual adjustment valve stem of the two-stage pressure regulator 1;

[0026] The first digital pressure gauge 2 and the second digital pressure gauge 3 include a case 8, a pressure sensor 9 and a pressure sensor control board 10. The pressure sensor 9 and the pressure sensor control board 10 are both arranged inside the case 8, and the pressure sensor control board 10 is electrically connected to the pressure sensor 9. The motor control board 7 and the pressure sensor control board 10 are both provided with a 4G Internet of Things module. When in use, the first digital pressure gauge 2 and the second digital pressure gauge 3 use the pressure sensor 9 to measure the pressure value, and use the pressure sensor control board 10 to display the real-time pressure value. The data can be wirelessly transmitted through the 4G Internet of Things module, and the motor control board 7 can be wirelessly controlled synchronously, so that the motor 6 drives the manual adjustment valve stem of the two-stage pressure regulator 1 to operate, which is convenient for remote electric control of opening and closing and pressure adjustment, realizes remote pressure value monitoring and adjustment at the low-pressure end, and provides support for remote gas concentration calibration of the ambient air automatic monitoring system. When calibrating the gas concentration of the automatic ambient air monitoring system, the pressure at the output end of the standard gas should be stabilized at 0.2MPa in order to accurately output a stable flow rate. This product remotely obtains the real-time pressure of the first digital pressure gauge 2 and the second digital pressure gauge 3 on the two-stage pressure regulator 1. When the gauge pressure at the high-pressure end is lower than 0.2MPa, it prompts that the standard gas cylinder 4 should be replaced; when the gauge pressure at the low-pressure end is lower than 0.2MPa, the low-pressure gauge pressure can be remotely adjusted to stabilize at 0.2MPa, thereby achieving the stability of the calibrated flow rate, filling the gap in the construction of smart stations in the environmental protection industry, which is of great significance.

[0027] A cover plate 11 is provided above the case 8, and a transparent window is provided on the cover plate 11, and a display screen is provided on the pressure sensor control board 10. The first digital pressure gauge 2 and the second digital pressure gauge 3 use the pressure sensor 9 to measure the pressure value, and the display screen on the pressure sensor control board 10 displays the real-time pressure value.

[0028] The watch case 8 is provided with a first wired communication port, and the first wired communication port is electrically connected to the pressure sensor control board 10. The outer cover 5 is provided with a second wired communication port, and the second wired communication port is electrically connected to the motor control board 7. When in use, wireless communication is performed through the 4G Internet of Things module, and wired communication can also be performed through the first wired communication port and the second wired communication port.

[0029] The first digital pressure gauge 2 and the second digital pressure gauge 3 of the two-stage pressure regulator of the digital pressure automatic adjustment use pressure sensor 9 to measure the pressure value, and use pressure sensor control board 10 to display the real-time pressure value. The data can be transmitted wirelessly through the 4G Internet of Things module, and the motor control board 7 can be wirelessly controlled synchronously, so that the motor 6 drives the manual adjustment valve stem of the two-stage pressure regulator 1 to operate, which is convenient for remote electric control of opening and closing and pressure adjustment, realizes remote pressure value monitoring and adjustment at the low-pressure end, and provides support for remote gas concentration calibration of the automatic ambient air monitoring system. In addition, this product realizes remote monitoring and calibration, ensures the credibility of environmental protection data, ensures the safety of the station, eliminates the risk of standard gas leakage, makes up for the shortcomings of smart station construction, reduces standard gas waste, and saves money.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A two-stage pressure regulator for automatic digital pressure regulation, comprising a two-stage pressure regulator (1), a first digital pressure gauge (2) and a second digital pressure gauge (3), characterized in that: The two-stage pressure regulator (1) is arranged on the nozzle of the steel cylinder (4); the first digital pressure gauge (2) and the second digital pressure gauge (3) are respectively arranged at two ends of the two-stage pressure regulator (1); the two-stage pressure regulator (1) is provided with an electric adjustment component, and the electric adjustment component comprises an outer cover (5), a motor (6) and a motor control board (7); the motor (6) and the motor control board (7) are arranged inside the outer cover (5), and the motor control board (7) is electrically connected to the motor (6); the output end of the motor (6) is connected to the manual adjustment valve stem of the two-stage pressure regulator (1); The first digital pressure gauge (2) and the second digital pressure gauge (3) comprise a gauge case (8), a pressure sensor (9) and a pressure sensor control board (10); the pressure sensor (9) and the pressure sensor control board (10) are both arranged inside the gauge case (8), and the pressure sensor control board (10) is electrically connected to the pressure sensor (9); and the motor control board (7) and the pressure sensor control board (10) are both provided with a 4G Internet of Things module.

2. A two-stage pressure regulator with digital pressure automatic regulation according to claim 1, characterized in that: A cover plate (11) is provided above the watch case (8), and a transparent window is provided on the cover plate (11); and a display screen is provided on the pressure sensor control panel (10).

3. A two-stage pressure regulator with digital pressure automatic regulation according to claim 1, characterized in that: A battery (12) is provided inside the watch case (8), and the battery (12) is used to supply power to the pressure sensor control board (10) and the pressure sensor (9), and a first charging port is provided on the watch case (8).

4. A two-stage pressure regulator with digital pressure automatic regulation according to claim 3, characterized in that: A battery pack is arranged inside the outer cover (5), and the battery pack is used to supply power to the motor (6) and the motor control board (7), and a second charging port is arranged on the outer cover (5).

5. A two-stage pressure regulator with digital automatic pressure regulation according to claim 1, characterized in that: The watch case (8) is provided with a first wired communication port, and the first wired communication port is electrically connected to the pressure sensor control board (10).

6. A two-stage pressure regulator with digital automatic pressure regulation according to claim 5, characterized in that: The outer cover (5) is provided with a second wired communication port, and the second wired communication port is electrically connected to the motor control board (7).

7. A two-stage pressure regulator with digital pressure automatic regulation according to claim 1, characterized in that: A fixing seat (13) is welded and fixed on the two-stage pressure regulator (1), and the outer cover (5) is mounted on the fixing seat (13).

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