Movable compressor outlet flow detection device

Abstract

The utility model discloses a movable compressor outlet flow detection device, comprising a test pipeline comprising a rectifier tube connected with a compressor outlet and a test tube connected with one end of the rectifier tube; the measuring assembly is arranged on the testing tube and comprises a temperature transmitter, a pressure transmitter and a pressure difference transmitter; the PLC is used for collecting data of the measuring assembly and calculating the flow according to the data and is connected with the measuring assembly; the moving mechanism is used for driving the test pipeline to move and comprises a movable base, a supporting plate connected to the movable base in a lifting mode and a hoop used for fixing the test pipeline and detachably connected with the supporting plate. The detection device disclosed by the utility model can be moved to various complex fields for application through the moving mechanism, so that the field limitation is eliminated, the defects of low efficiency and wrong data capture of the traditional detection device are effectively overcome, and the test result is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of compressors, in particular to a movable compressor outlet flow detection device. Background Art

[0002] The compressor is a driven fluid machine that boosts low-pressure gas to high-pressure gas and is the heart of the refrigeration system. Its flow rate is one of the performance indicators.

[0003] The existing traditional detection device is installed on the test bench. Due to the limitation of the site, the device needs to be moved to the designated location when in use. The data is recorded manually and the result is calculated by the calculation formula. This process takes a long time and has low efficiency in the actual production process. For example, the manual recording of values ​​may cause errors or omissions, and it is impossible to capture the flow changes in the test process in real time. Utility Model Content

[0004] In order to overcome the defects of the prior art, a movable compressor outlet flow detection device is provided to solve the problem that the traditional detection device is inconvenient to move and the problem that manual calculation is prone to errors.

[0005] In order to achieve the above technical effects, the solution provided by the utility model is to provide a movable compressor outlet flow detection device, which includes:

[0006] A test pipeline, the test pipeline comprising a rectifier tube connected to the compressor and a test tube connected to one end of the rectifier tube;

[0007] A measuring assembly, arranged on the test tube, comprising a temperature transmitter, a pressure transmitter and a differential pressure transmitter;

[0008] A PLC controller for collecting measurement component data and calculating flow rate based on the data, connected to the measurement component;

[0009] The movable mechanism is used for driving the test pipe to move, and the movable mechanism comprises a movable base, a support plate which is liftably connected to the movable base, and a clamp which is used for fixing the test pipe and is detachably connected to the support plate.

[0010] Preferably, the test tube includes a first test tube and a second test tube connected between the first test tube and the rectifier tube, an orifice plate structure is installed between the first test tube and the second test tube, the orifice plate structure includes an orifice plate and a first clamping ring and a second clamping ring arranged on both sides of the orifice plate, and the first clamping ring and the second clamping ring are both provided with a pressure difference detection hole for the pressure difference transmitter to measure.

[0011] Preferably, one end of the second test tube close to the rectifier tube is provided with a pressure detection hole for measurement by a pressure transmitter and a temperature detection hole for measurement by a temperature transmitter.

[0012] Preferably, a muffler is connected to the end of the first test tube away from the second test tube.

[0013] Preferably, a butterfly valve is further provided between the first test tube and the muffler.

[0014] Preferably, a pressure gauge is further provided between the first test tube and the butterfly valve.

[0015] Preferably, the rectifier tube is connected to the compressor via a hose.

[0016] Preferably, at least two groups of first openings are correspondingly provided on the movable base and the support plate, and bolts are correspondingly passed through each group of the first openings. The bolts are screwed with first nuts under the support plate, and the bolts are screwed with second nuts under the movable base.

[0017] Preferably, the clamp is a U-shaped bolt, and two second openings are correspondingly provided on the support plate. Two ends of the U-shaped bolt pass through the two second openings respectively and are screwed with a third nut.

[0018] Preferably, there are multiple moving mechanisms, and the multiple moving mechanisms are evenly spaced apart on the test pipe.

[0019] The beneficial effect of the utility model is that the utility model is a movable compressor outlet flow detection device. When the compressor needs to detect its outlet flow, the test pipe is fixed on the mobile mechanism and moved to a designated position, so that the outlet of the compressor is connected to the test pipe through a hose. After the high-pressure gas of the compressor is rectified by the rectifier tube, the transmitter collects the temperature, pressure, and pressure difference required for calculation, and transmits the signal to the PLC controller for calculation, obtains the flow, and records the data; then the rear-end butterfly valve 3 adjusts the pressure at the end of the equipment and discharges it into the atmosphere through the muffler. The mobile mechanism is installed at the bottom of the detection device of the utility model, and it can be moved to various complex field applications through the mobile mechanism, eliminating site restrictions, and the calculation is simple, which improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1It is an overall structural diagram of a portable compressor outlet flow detection device of the utility model.

[0022] Figure 2 The utility model is a structural schematic diagram of a moving mechanism of a movable compressor outlet flow detection device.

[0023] Figure 3 It is a structural schematic diagram of a PLC board in a PLC controller of the utility model.

[0024] The corresponding relationship of the numbers in the figure is as follows:

[0025] 1-muffler; 2-first elbow; 3-butterfly valve; 4-first moving mechanism; 5-first test tube; 6-orifice plate; 7-second moving mechanism; 8-second test tube; 9-pressure transmitter; 10-temperature transmitter; 11-third moving mechanism; 12-PLC controller; 13-touch screen; 14-rectifier tube; 15-fourth moving mechanism; 16-second elbow; 17-hose; 18-compressor; 19-movable base; 20-support plate; 21-clamp; 22-bolt; 23-first nut; 24-second nut; ①-switch; ②-CPU; ③analog input module; ④-switching power supply; ⑤-miniature circuit breaker; ⑥-terminal. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 3 As shown, the embodiment of the utility model provides a movable compressor outlet flow detection device, including a test pipeline, a measuring component, a PLC controller 12, and a moving mechanism. Among them:

[0028] The test pipeline includes a rectifier tube 14 for connecting to a compressor 18, and a test tube connected to one end of the rectifier tube 14. The rectifier tube 14 is used to ensure a stable flow rate in the tube, and the rear test tube is used for data collection. The measuring component is arranged on the test tube, and the measuring component includes a temperature transmitter 10, a pressure transmitter 9 and a differential pressure transmitter. The PLC controller 12 is connected to the measuring component, and is used to collect the data of the measuring component and calculate the flow rate based on the data. The specific calculation method is the existing technology. The moving mechanism is used to drive the test pipeline to move, including a movable base 19, a support plate 20 that can be lifted and lowered and connected to the movable base, and a clamp 21 that is used to fix the test pipeline and is detachably connected to the support plate 20.

[0029] Specifically, the movable base 19 includes a base and four universal wheels with brakes arranged below the base to control steering and movement. Figure 3 As shown, the PLC board in the PLC controller 12 includes a switch ①, a CPU ②, an analog input module ③, a switching power supply ④, a miniature circuit breaker ⑤, and a terminal ⑥. The PLC controller 12 collects data through a transmitter, and connects to the analog input module ③ in the PLC controller board for calculation, and enables the touch screen 13 to output the required data through the switch ①.

[0030] As a preferred embodiment, the test tube includes a first test tube 5, a second test tube 8 connected between the first test tube 5 and the rectifier tube 14, an orifice plate structure 6 is installed between the first test tube 5 and the second test tube 8, and the orifice plate structure 6 includes an orifice plate and a first clamping ring and a second clamping ring arranged on both sides of the orifice plate, and the first clamping ring and the second clamping ring are both provided with a pressure differential detection hole for measurement by a pressure differential transmitter. The pressure differential detection holes are arranged on the clamping rings on both sides of the orifice plate, and the high-pressure gas passes through this structure to form a pressure differential value required for calculating the flow rate.

[0031] As a preferred embodiment, the second test tube 8 is provided with a pressure detection hole for measurement by the pressure transmitter 9 and a temperature detection hole for measurement by the temperature transmitter 10 at one end close to the rectifier tube 14. The pressure detection hole and the temperature detection hole are provided at the front end of the test pipeline to detect the pressure and temperature of the high-pressure gas in the pipeline.

[0032] As a preferred embodiment, a silencer 1 is connected to the end of the first test tube 5 away from the second test tube 8 .

[0033] As a preferred implementation, a butterfly valve 3 is further provided between the first test pipe 5 and the muffler 1 .

[0034] As a preferred embodiment, a pressure gauge is further provided between the first test tube 5 and the butterfly valve 3. The first test tube 5 is connected to the muffler 1 through the first elbow 2, the butterfly valve 3 is provided on the first elbow 2, and the pressure gauge is also provided on the first elbow 2. The butterfly valve 3 is used to adjust the pressure at the end of the equipment, and is adjusted according to the outlet pressure of the compressor 18 obtained by comparing with the pressure gauge, and discharged into the atmosphere through the muffler 1.

[0035] As a preferred implementation, the rectifier tube 14 is connected to the compressor 18 via a hose 17 .

[0036] Preferably, the hose 17 is a metal hose.

[0037] Preferably, the rectifier tube 14 and the hose 17 are further connected to a second curved tube 16 .

[0038] As a preferred implementation, Figure 2As shown, at least two groups of first openings are correspondingly provided on the movable base 19 and the support plate 20, and bolts 22 are correspondingly passed through each group of first openings. The bolts 22 are screwed with first nuts 23 below the support plate 20, and the bolts 22 are screwed with second nuts 24 below the movable base 19. The second nuts 24 are loosened, and the bolts 22 are moved up and down to a suitable height, and then the second nuts 24 are tightened, thereby changing the height of the support plate 20 and the hoop 21, so that the height of the test pipe is changed to be suitable for different compressors 18.

[0039] As a preferred embodiment, the clamp 21 is a U-shaped bolt, and two second openings are correspondingly provided on the support plate 20. The two ends of the U-shaped bolt pass through the two second openings respectively and are screwed with a third nut. The clamp 21 and the support plate 20 are detachably connected to facilitate the installation of the test pipeline.

[0040] As a preferred implementation, Figure 1 As shown, there are multiple moving mechanisms, and the multiple moving mechanisms are evenly spaced on the test pipes. Specifically, the first test pipe 5 is equipped with a first moving mechanism 4, the second test pipe 8 is equipped with a second moving mechanism 7, and the rectifier tube 14 is equipped with a third moving mechanism 11 and a fourth moving mechanism 15.

[0041] The portable compressor outlet flow detection device of the utility model detects the outlet flow of the compressor 18 in the following steps:

[0042] First, fix the test pipe on the mobile mechanism and move it to the specified position. Loosen the second nut 24, move the bolt 22 to a suitable height, and then tighten it. Then loosen the third nut of the clamp 21 to separate the clamp 21 from the support plate 20, place the rectifier tube 14 or the test tube on the support plate 20, and then put the clamp 21 on the outside of the rectifier tube 14 or the test tube and pass the two ends of the clamp 21 through the second opening, and tighten the third nut to fix the rectifier tube 14 or the test tube. Then move the test pipe to the specified position, and connect the rectifier tube 14 to the compressor 18 through the second bend 16 and the hose 17.

[0043] Then, the temperature transmitter 10, the pressure transmitter 9, and the differential pressure transmitter are connected to the PLC controller 12 through the data acquisition line, and the PLC controller 12 is powered on and the compressor 18 is turned on for testing. The high-pressure gas flows into the hose 17 through the compressor 18, flows into the rectifier tube 14 through the second elbow 16 to make the flow rate uniform, enters the test tube, and passes through the detection hole on the side wall of the test tube. The transmitter transmits the collected pressure, temperature, and differential pressure data to the PLC controller to calculate the outlet flow, and then the butterfly valve 3 adjusts the gas pressure in the pipeline according to the pressure gauge, and is discharged into the atmosphere through the muffler 1.

[0044] The whole set of the utility model is equipped with a mobile mechanism at the bottom, which can be moved to various complex field applications through the mobile mechanism to eliminate site restrictions. The PLC controller collects data through the transmitter, reads the records of the transmitter and calculates, effectively solving the defects of low efficiency and data capture errors of traditional detection devices, so that the test results are guaranteed.

[0045] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A portable compressor outlet flow detection device, characterized in that: include: A test pipe, the test pipe comprising a rectifier tube connected to the compressor outlet and a test pipe connected to one end of the rectifier tube; A measuring assembly, the measuring assembly being provided on the test tube and comprising a temperature transmitter, a pressure transmitter and a differential pressure transmitter; A PLC controller for collecting measurement component data and calculating flow rate based on the data, connected to the measurement component; A moving mechanism for driving the test pipe to move includes a movable base, a support plate liftably connected to the movable base, and a clamp for fixing the test pipe and detachably connected to the support plate.

2. The portable compressor outlet flow detection device according to claim 1, characterized in that: The test tube includes a first test tube and a second test tube connected between the first test tube and the rectifier tube. An orifice plate structure is installed between the first test tube and the second test tube. The orifice plate structure includes an orifice plate and a first clamping ring and a second clamping ring arranged on both sides of the orifice plate. The first clamping ring and the second clamping ring are both provided with a pressure differential detection hole for measurement by the differential pressure transmitter.

3. The portable compressor outlet flow detection device according to claim 2, characterized in that: An end of the second test tube close to the rectifier tube is provided with a pressure detection hole for measurement by a pressure transmitter and a temperature detection hole for measurement by a temperature transmitter.

4. The portable compressor outlet flow detection device according to claim 2, characterized in that: The end of the first test tube away from the second test tube is connected to a muffler.

5. The portable compressor outlet flow detection device according to claim 4, characterized in that: A butterfly valve is further provided between the first test tube and the muffler.

6. The portable compressor outlet flow detection device according to claim 5, characterized in that: A pressure gauge is further provided between the first test tube and the butterfly valve.

7. The portable compressor outlet flow detection device according to claim 1, characterized in that: The rectifier tube is connected to the compressor through a hose.

8. The portable compressor outlet flow detection device according to claim 1, wherein: At least two groups of first openings are correspondingly provided on the movable base and the support plate, and a bolt is correspondingly passed through each group of the first openings. The bolt is screwed with a first nut under the support plate, and the bolt is screwed with a second nut under the movable base.

9. The portable compressor outlet flow detection device according to claim 1, characterized in that: The clamp is a U-shaped bolt, and two second openings are correspondingly provided on the support plate. Both ends of the U-shaped bolt pass through the two second openings respectively and are screwed with a third nut.

10. The portable compressor outlet flow detection device according to claim 1, wherein: There are multiple moving mechanisms, and the multiple moving mechanisms are evenly spaced and arranged on the test pipe.

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