Split type flow monitoring instrument

Abstract

The utility model relates to the technical field of meters, in particular to a split type flow monitoring instrument which comprises a shell, a top cover, a first split type connecting pipe, a second split type connecting pipe, a pressure sensor, a displayer, a differential pressure balance valve, a Pitot tube probe and a connecting assembly, and the connecting assembly is arranged between the second split type connecting pipe and the Pitot tube probe. The Pitot tube probe is inserted into a measured pipeline, at the moment, the Pitot tube probe transmits a signal to the displayer and displays the signal on the displayer, the differential pressure balance valve is opened, liquid flows to the first split connecting pipe through the second split connecting pipe, and the pressure sensor transmits a numerical value to the displayer in real time and displays the numerical value on the displayer. The top cover can facilitate follow-up checking or cleaning, and the Pitot tube probe and the differential pressure balance valve are installed in a sectional mode, so that the workload of workers is reduced, the detection quality is improved, and follow-up maintenance and replacement are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of metering instruments, in particular to a split flow monitoring instrument. Background Art

[0002] At present, when monitoring the flow of gas pipelines, vent pipes, etc., various flow meters are mostly installed by cutting off a section of the pipeline and welding flanges at the front and rear cut-off points so that the instrument detection body can be fastened with multiple bolts during installation.

[0003] The installation is too cumbersome, which makes it inconvenient for workers to quickly carry out measurements, thus reducing the quality of the measurements. Utility Model Content

[0004] The utility model aims to provide a split flow monitoring instrument, aiming to solve the problem that the installation is too troublesome, it is inconvenient for workers to quickly measure, and the measurement quality is reduced.

[0005] To achieve the above-mentioned purpose, the utility model provides a split flow monitoring instrument, including a shell, a top cover, a first split connecting pipe, a second split connecting pipe, a pressure sensor, a display, a pressure differential balancing valve, a Pitot tube probe and a connecting assembly, wherein the top cover is detachably connected to the shell and is located at the top of the shell, the display is fixedly connected to the shell and is located at the outer side wall of the shell, the first split connecting pipe is communicated with the shell and is located below the shell, the pressure sensor is fixedly connected to the first split connecting pipe and is located at the inner side wall of the first split connecting pipe, the pressure sensor is electrically connected to the display, one end of the pressure differential balancing valve is communicated with the first split connecting pipe and is located below the first split connecting pipe, the pressure differential balancing valve is communicated with the second split connecting pipe and is located above the second split connecting pipe, the connecting assembly is arranged between the second split connecting pipe and the Pitot tube probe, and the Pitot tube probe is electrically connected to the display.

[0006] Wherein, the connecting assembly includes a plurality of fastening bolts, a first mounting ring and a second mounting ring, the first mounting ring is fixedly connected to the second split connecting pipe and is located on the outer side wall of the second split connecting pipe, the second mounting ring is fixedly connected to the Pitot tube probe and is located on the outer side wall of the Pitot tube probe, the first mounting ring and the second mounting ring both have a plurality of threaded holes, and the plurality of threaded holes are all threadedly matched with the corresponding fastening bolts.

[0007] Wherein, the connection assembly further includes a sealing ring, which is abutted against the second split connection pipe and the Pitot tube probe and is located between the second split connection pipe and the Pitot tube probe.

[0008] Wherein, the split-type flow monitoring instrument also includes a pressure relief component, and the pressure relief component is arranged on the outer side wall of the shell.

[0009] The pressure relief assembly includes a pressure relief pipe and a solenoid valve. The pressure relief pipe is connected to the housing and is located on the outer wall of the housing. The solenoid valve is connected to the pressure relief pipe and is located in the middle of the pressure relief pipe.

[0010] The utility model provides a split flow monitoring instrument, wherein the Pitot tube probe is inserted into a measured pipe, and the Pitot tube probe at this time transmits a signal to the display and displays it on the display, and the differential pressure balancing valve is opened to allow liquid to flow to the first split connecting pipe through the second split connecting pipe, and the pressure sensor transmits a numerical value to the display in real time and displays it on the display, and the top cover can be convenient for subsequent viewing or cleaning, and the Pitot tube probe and the differential pressure balancing valve are installed in sections, thereby reducing the workload of the staff, improving the quality of detection, and facilitating subsequent maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0013] Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0014] Figure 3 The utility model Figure 2 A magnified view of the local structure at A.

[0015] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0016] 101-housing, 102-top cover, 103-first split connecting pipe, 104-second split connecting pipe, 105-pressure sensor, 106-display, 107-differential pressure balancing valve, 108-Pitto tube probe, 109-connecting assembly, 110-fastening bolt, 111-first mounting ring, 112-second mounting ring, 113-sealing ring, 114-threaded hole, 201-pressure relief assembly, 202-pressure relief pipe, 203-solenoid valve. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] First embodiment:

[0019] See also Figures 1 to 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a sectional view of the whole of the first embodiment of the utility model, Figure 3 The utility model Figure 2 A magnified view of the local structure at A.

[0020] The utility model provides a split flow monitoring instrument, including a shell 101, a top cover 102, a first split connecting pipe 103, a second split connecting pipe 104, a pressure sensor 105, a display 106, a differential pressure balancing valve 107, a Pitot tube probe 108 and a connecting assembly 109, wherein the connecting assembly 109 includes a plurality of fastening bolts 110, a first mounting ring 111, a second mounting ring 112 and a sealing ring 113, and the first mounting ring 111 and the second mounting ring 112 both have a plurality of threaded holes 114.

[0021] According to the present specific embodiment, the top cover 102 is detachably connected to the housing 101 and is located at the top of the housing 101. The display 106 is fixedly connected to the housing 101 and is located at the outer side wall of the housing 101. The first split connecting pipe 103 is communicated with the housing 101 and is located below the housing 101. The pressure sensor 105 is fixedly connected to the first split connecting pipe 103 and is located at the inner side wall of the first split connecting pipe 103. The pressure sensor 105 is electrically connected to the display 106. One end of the differential pressure balancing valve 107 is communicated with the first split connecting pipe 103 and is located below the first split connecting pipe 103. The differential pressure balancing valve 107 is communicated with the second split connecting pipe 104 and is located above the second split connecting pipe 104. The connecting component 109 is arranged between the second split connecting pipe 104 and the Pitot tube probe 108, and the Pitot tube probe 108 is electrically connected to the display 106. The Pitot tube probe 108 is inserted into the measured pipeline. At this time, the Pitot tube probe 108 transmits a signal to the display 106 and displays it on the display 106. The pressure difference balancing valve 107 is opened to allow the liquid to flow to the first split connecting pipe 103 through the second split connecting pipe 104, and the pressure sensor 105 transmits a numerical value to the display 106 in real time and displays it on the display 106. The top cover 102 can be convenient for subsequent viewing or cleaning. By installing the Pitot tube probe 108 and the pressure difference balancing valve 107 in sections, the workload of the staff is reduced, the quality of detection is improved, and subsequent maintenance and replacement are convenient.

[0022] Among them, the first mounting ring 111 is fixedly connected to the second split connecting pipe 104 and is located on the outer side wall of the second split connecting pipe 104, the second mounting ring 112 is fixedly connected to the Pitot tube probe 108 and is located on the outer side wall of the Pitot tube probe 108, the first mounting ring 111 and the second mounting ring 112 both have a plurality of threaded holes 114, and the plurality of threaded holes 114 are threadedly matched with the corresponding fastening bolts 110, the threaded holes 114 on the first mounting ring 111 are aligned with the threaded holes 114 on the second mounting ring 112, and then connected with the fastening bolts 110, and the Pitot tube probe 108 and the second split connecting pipe 104 are connected in this way, which is convenient for subsequent maintenance and cleaning, and will reduce the expenditure of subsequent maintenance costs.

[0023] Secondly, the sealing ring 113 is abutted against the second split connecting pipe 104 and the Pitot tube probe 108, and is located between the second split connecting pipe 104 and the Pitot tube probe 108. The sealing ring 113 can improve the connectivity between the first mounting ring 111 and the second mounting ring 112, reduce liquid leakage from the gap, reduce the workload of the staff, and improve the accuracy of detection.

[0024] When using the split flow monitoring instrument of the utility model, the Pitot tube probe 108 is inserted into the measured pipeline. At this time, the Pitot tube probe 108 transmits a signal to the display 106 and displays it on the display 106. The threaded hole 114 on the first mounting ring 111 is aligned with the threaded hole 114 on the second mounting ring 112, and then connected with the fastening bolt 110, and the pressure differential balancing valve 107 is opened to allow the liquid to flow to the first split connecting pipe 103 through the second split connecting pipe 104, and the pressure sensor 105 transmits a value to the display 106 in real time and displays it on the display 106. The top cover 102 can be convenient for subsequent viewing or cleaning, and the sealing ring 113 can improve the connectivity between the first mounting ring 111 and the second mounting ring 112, reduce the liquid overflowing from the gap, and by installing the Pitot tube probe 108 and the pressure differential balancing valve 107 in sections, the workload of the staff is reduced, the quality of detection is improved, and subsequent maintenance and replacement are convenient.

[0025] Second embodiment:

[0026] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0027] The utility model provides a split type flow monitoring instrument, which also includes a pressure relief component 201 . The pressure relief component 201 includes a pressure relief pipe 202 and a solenoid valve 203 .

[0028] According to this specific embodiment, the pressure relief component 201 is disposed on the outer wall of the housing 101. The pressure relief component 201 is added to protect the tested equipment from damage and reduce the maintenance cost.

[0029] Among them, the pressure relief pipe 202 is connected to the shell 101 and is located on the outer wall of the shell 101. The solenoid valve 203 is connected to the pressure relief pipe 202 and is located in the middle of the pressure relief pipe 202. When the solenoid valve 203 is opened, the internal liquid will be discharged through the pressure relief pipe 202 to achieve the effect of pressure relief, protect the tested equipment from damage, reduce the maintenance cost, and the device has a simple structure and is easy to learn and operate.

[0030] When using a split flow monitoring instrument of the utility model, the solenoid valve 203 is opened, and the internal liquid will be discharged through the pressure relief pipe 202 to achieve the effect of pressure relief, protect the tested equipment from damage, reduce the maintenance cost, and the device has a simple structure and is easy to learn and operate.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A split flow monitoring instrument, characterized in that: It includes an outer shell, a top cover, a first split connecting pipe, a second split connecting pipe, a pressure sensor, a display, a pressure differential balancing valve, a Pitot tube probe and a connecting assembly, wherein the top cover is detachably connected to the outer shell and is located at the top of the outer shell, the display is fixedly connected to the outer shell and is located at the outer side wall of the outer shell, the first split connecting pipe is communicated with the outer shell and is located below the outer shell, the pressure sensor is fixedly connected to the first split connecting pipe and is located at the inner side wall of the first split connecting pipe, the pressure sensor is electrically connected to the display, one end of the pressure differential balancing valve is communicated with the first split connecting pipe and is located below the first split connecting pipe, the pressure differential balancing valve is communicated with the second split connecting pipe and is located above the second split connecting pipe, the connecting assembly is arranged between the second split connecting pipe and the Pitot tube probe, and the Pitot tube probe is electrically connected to the display.

2. The split flow monitoring instrument according to claim 1, characterized in that: The connecting assembly includes a plurality of fastening bolts, a first mounting ring and a second mounting ring. The first mounting ring is fixedly connected to the second split connecting pipe and is located on the outer side wall of the second split connecting pipe. The second mounting ring is fixedly connected to the Pitot tube probe and is located on the outer side wall of the Pitot tube probe. The first mounting ring and the second mounting ring each have a plurality of threaded holes, and the plurality of threaded holes each cooperate with the corresponding fastening bolt threads.

3. The split flow monitoring instrument according to claim 2, characterized in that: The connection assembly further includes a sealing ring, which is abutted against the second split connection pipe and the Pitot tube probe and is located between the second split connection pipe and the Pitot tube probe.

4. The split flow monitoring instrument as claimed in claim 3, characterized in that: The split-type flow monitoring instrument also includes a pressure relief component, which is arranged on the outer side wall of the shell.

5. The split flow monitoring instrument according to claim 4, characterized in that: The pressure relief assembly includes a pressure relief pipe and a solenoid valve. The pressure relief pipe is communicated with the shell and is located on the outer side wall of the shell. The solenoid valve is communicated with the pressure relief pipe and is located in the middle of the pressure relief pipe.

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