Mass flowmeter capable of adjusting errors

Abstract

The utility model discloses an error-adjustable mass flowmeter which comprises a flow tube, a measuring rod fixedly connected to the upper surface of the flow tube, a displayer fixedly connected to the upper surface of the measuring rod, a touch control display screen arranged at the front end of the displayer, a frame shaped like a Chinese character'hui 'arranged at the front end of the displayer, and a transparent glass plate arranged in the middle of the frame shaped like the Chinese character'hui'. A positioning rod is arranged on the outer surface of the concentric-square-shaped frame, a limiting plate is arranged at the front end of the displayer, and a first positioning hole and a second positioning hole are formed in the front end of the displayer; through the arrangement of structures such as the concentric-square-shaped frame, the transparent glass plate and the limiting rods, the transparent glass plate facilitates checking of the touch control display screen, the concentric-square-shaped frame protects the touch control display screen inside, the influence of dust on the touch control display screen is reduced, meanwhile, the situation that damage is caused by accidental touch is avoided, when operation is needed, the positioning rods are pulled outwards, and the touch control display screen is prevented from being damaged. And then the concentric-square-shaped frame is pushed to move along the surface of the display.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to a mass flow meter with adjustable error. Background Art

[0002] The mass flow meter with adjustable error is an instrument that can accurately measure the flow of liquid or gas and can achieve the accuracy requirements by adjusting the error range. It is suitable for flow control in the chemical, petrochemical, pharmaceutical, food and other industries.

[0003] The working principle of the mass flow meter with adjustable error is based on the method of the mass flow meter. The mass flow rate of the material is calculated by measuring the temperature, pressure and other parameters in the pipeline through which the material flows, and the calculation and display are performed by a microprocessor. The processor is set inside the display, and the display has a touch-controlled display screen. At the same time, it also has the function of calibrating errors. By adjusting the parameters, the error can be adjusted and corrected according to specific usage requirements to meet specific usage requirements.

[0004] Since the mass flowmeter is installed between the two pipes that need to be measured, it is a device exposed to the air for a long time. The touch-controlled display screen is prone to dust accumulation when exposed to the air for a long time, and it is also likely to be damaged by accidental touch. Therefore, a mass flowmeter with adjustable error is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a mass flow meter with adjustable error.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A mass flowmeter with adjustable error comprises a flow tube, a measuring rod is fixedly connected to the upper surface of the flow tube, a display is fixedly connected to the upper surface of the measuring rod, a touch control display screen is arranged at the front end of the display, a circular frame is arranged at the front end of the display, a transparent glass plate is arranged in the middle of the circular frame, a positioning rod is arranged on the outer surface of the circular frame, a limit plate is arranged at the front end of the display, a first positioning hole and a second positioning hole are opened at the front end of the display, an output end and a ferrule are fixedly connected to the side of the display, and the output end is connected to an input connector via a data cable.

[0008] Preferably, the positioning rod is inserted and arranged on the outer surface of the return frame, and the positioning rod is arranged as an I-shaped rod structure, and the positioning rod slides inside the first positioning hole and the second positioning hole.

[0009] Preferably, the upper and lower surfaces of the return frame are both provided with limiting grooves, and the limiting plates slide inside the limiting grooves.

[0010] Preferably, an iron ring is fixedly connected to the outer surface of the positioning rod, and a magnet is embedded in the outer surface of the return frame, and the magnet is magnetically connected to the iron ring.

[0011] Preferably, the ferrule is arranged directly above the output end, and the input connector slides inside the ferrule.

[0012] The utility model has the following beneficial effects:

[0013] 1. By setting up structures such as a return frame, a transparent glass plate and a limit rod, the transparent glass plate facilitates viewing of the touch control display screen, and the return frame protects the touch control display screen, reducing the impact of dust on it, and at the same time avoiding damage caused by accidental contact. When operation is required, pull the positioning rod outward, and then push the return frame to move along the surface of the display;

[0014] 2. By setting up structures such as data cables, input connectors and card sleeves, the data cables are fixed on the monitor to avoid the situation where the data cables cannot be found when needed. In addition, the input connector is wrapped in the card sleeve when not in use, thereby achieving the effect of protecting the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a mass flow meter with adjustable error proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the display structure of a mass flow meter with adjustable error proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the return frame structure of a mass flow meter with adjustable error proposed by the utility model;

[0018] Figure 4 A cross-sectional view of a return frame of a mass flow meter with adjustable error proposed by the utility model;

[0019] Figure 5 For this utility model Figure 1 A in the enlarged view;

[0020] In the figure: 1. flow tube; 2. measuring rod; 3. display; 4. touch control display screen; 5. return frame; 6. limit plate; 7. first positioning hole; 8. second positioning hole; 9. positioning rod; 10. transparent glass plate; 11. limit groove; 12. iron ring; 13. magnet; 14. output end; 15. data line; 16. input connector; 17. ferrule. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1 A mass flowmeter with adjustable error includes a flow tube 1, a measuring rod 2 is fixedly connected to the upper surface of the flow tube 1, a display 3 is fixedly connected to the upper surface of the measuring rod 2, a touch-operated display screen 4 is arranged at the front end of the display 3, the two ends of the flow tube 1 are connected to the middle of the fluid pipeline to be measured, and the required data after the fluid flows through the flow tube 1 will be detected by the components inside the measuring rod 2, and then displayed on the touch-operated display screen 4 at the front end of the display 3, and the error adjustment of the mass flowmeter is realized by operating on the touch-operated display screen 4.

[0023] Reference Figure 2 , Figure 3 and Figure 4 A return frame 5 is provided at the front end of the display 3, a transparent glass plate 10 is provided in the middle of the return frame 5, a positioning rod 9 is provided on the outer surface of the return frame 5, a limiting plate 6 is provided at the front end of the display 3, and limiting grooves 11 are provided on the upper and lower surfaces of the return frame 5. The limiting plate 6 slides inside the limiting groove 11. A first positioning hole 7 and a second positioning hole 8 are provided at the front end of the display 3. The positioning rod 9 is inserted and arranged on the outer surface of the return frame 5. The positioning rod 9 is set as an I-shaped rod structure. The positioning rod 9 slides inside the first positioning hole 7 and the second positioning hole 8. An iron ring 12 is fixedly connected to the outer surface of the positioning rod 9. A magnet 13 is embedded on the outer surface of the return frame 5. The magnet 13 is magnetically connected to the iron ring 12. When the touch control display screen 4 is required, the positioning rod is pulled outward. 9, so that the positioning rod 9 is moved out of the first positioning groove, and then the return frame 5 is pushed to move along the surface of the display 3. During the movement, the limit plate 6 has been sliding in the limit groove 11, so as to achieve the effect of limiting the return frame 5. When the return frame 5 moves to the left end of the display 3, the positioning rod 9 is released, and the magnetic attraction of the magnet 13 to the iron ring 12 pulls the positioning rod 9 to slide into the second limit hole, so as to fix the return frame 5. At this time, the touch control display screen 4 is exposed to the outside, and the error adjustment of the mass flow meter can be achieved by operating on the touch control display screen 4. After the adjustment is completed, the positioning rod 9 is pulled out and the return frame 5 is pushed back to its original position. At this time, the return frame 5 protects the touch control display screen 4 inside, reduces the influence of dust on it, and avoids damage caused by accidental contact.

[0024] Reference Figure 1 , Figure 2 and Figure 5The side of the display 3 is fixedly connected with an output terminal 14 and a card sleeve 17. The output terminal 14 is connected to an input connector 16 through a data line 15. The card sleeve 17 is arranged just above the output terminal 14. The input connector 16 slides inside the card sleeve 17 to fix the data line 15 on the display 3, thereby avoiding the situation where the data line 15 cannot be found when it is needed. In addition, the input connector 16 is wrapped in the card sleeve 17 when not in use, thereby achieving the effect of protecting the connector. When it is necessary to adjust the parameters of the components in the display 3, the input connector 16 is pulled out of the card sleeve 17 and then connected to the access port of the mobile terminal.

[0025] The specific working principle of the utility model is as follows: when the device is in use, the two ends of the flow tube 1 are connected to the middle of the fluid pipeline to be measured. After the fluid flows through the flow tube 1, the required data will be detected by the components inside the measuring rod 2, and then displayed on the touch-controlled display screen 4 at the front end of the display 3. When the touch-controlled display screen 4 needs to be used, the positioning rod 9 is pulled outward to move the positioning rod 9 out of the first positioning groove, and then the return frame 5 is pushed to move along the surface of the display 3. During the movement, the limit plate 6 has been sliding in the limit groove 11, so as to achieve the effect of limiting the return frame 5. When the return frame 5 moves to the left end of the display 3, the positioning rod 9 is released, and the magnetic attraction of the magnet 13 to the iron ring 12 pulls the positioning rod 9 to slide into the second limit hole, so that the return frame 5 is fixed. At this time, the touch-controlled display screen 4 is exposed to the outside, and the error adjustment of the mass flow meter can be achieved by operating on the touch control display screen 4. After the adjustment is completed, the positioning rod 9 is pulled out to push the return frame 5 back to its original position. At this time, the return frame 5 protects the touch control display screen 4 inside, reducing the influence of dust on it, and at the same time avoiding damage caused by accidental contact. One end of the data cable 15 to be used is fixed to the output terminal 14 of the display 3, and the other end is fixed with an input connector 16. The data cable 15 is fixed on the display 3 to avoid the situation where the data cable 15 cannot be found when it is needed. In addition, the input connector 16 is wrapped in the card sleeve 17 when not in use, so as to achieve the effect of protecting the connector. When it is necessary to adjust the parameters of the components in the display 3, the input connector 16 is pulled out of the card sleeve 17 and then connected to the access port of the mobile terminal.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mass flow meter with adjustable error, comprising a flow tube (1), characterized in that: The upper surface of the flow tube (1) is fixedly connected to a measuring rod (2), the upper surface of the measuring rod (2) is fixedly connected to a display (3), the front end of the display (3) is provided with a touch control display screen (4), the front end of the display (3) is provided with a return frame (5), the middle of the return frame (5) is provided with a transparent glass plate (10), the outer surface of the return frame (5) is provided with a positioning rod (9), the front end of the display (3) is provided with a limit plate (6), the front end of the display (3) is provided with a first positioning hole (7) and a second positioning hole (8), the side of the display (3) is fixedly connected to an output end (14) and a ferrule (17), and the output end (14) is connected to an input connector (16) via a data line (15).

2. A mass flow meter with adjustable error according to claim 1, characterized in that: The positioning rod (9) is inserted and arranged on the outer surface of the return frame (5), and the positioning rod (9) is arranged as an I-shaped rod structure. The positioning rod (9) slides inside the first positioning hole (7) and the second positioning hole (8).

3. The mass flow meter with adjustable error according to claim 1, characterized in that: The upper and lower surfaces of the return frame (5) are both provided with limiting grooves (11), and the limiting plates (6) slide inside the limiting grooves (11).

4. The mass flow meter with adjustable error according to claim 1, characterized in that: An iron ring (12) is fixedly connected to the outer surface of the positioning rod (9), and a magnet (13) is embedded in the outer surface of the return frame (5), and the magnet (13) is magnetically connected to the iron ring (12).

5. The mass flow meter with adjustable error according to claim 1, characterized in that: The ferrule (17) is arranged directly above the output end (14), and the input connector (16) slides inside the ferrule (17).

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