Double-color quartz tube liquid level meter

Abstract

The utility model provides a double-color quartz tube liquid level meter which comprises a liquid level tube, the top and the bottom of the liquid level tube are both connected with connecting blocks, defrosting mechanisms are arranged on the outer sides of the connecting blocks, one sides of the connecting blocks are connected with pressure relief mechanisms, and the defrosting mechanisms are used for increasing the temperature around the liquid level tube. The defrosting mechanism comprises a sleeve block screwed to the outer side of the connecting block, the top of the sleeve block is connected with a connecting column, one end of the connecting column penetrates through the top of the sleeve block, extends into the sleeve block and is connected with a heat conduction disc, and the bottom of the heat conduction disc is connected with an inserting block. According to the double-color quartz tube liquid level meter, the problems that in the process that a defrosting mechanism generates heat, liquid in the liquid level tube is heated and volatilized to generate steam, the pressure intensity in the liquid level tube is increased, and negative influences are generated on the structural stability are solved.

Description

Technical Field

[0001] The utility model relates to the field of liquid level gauges, in particular to a two-color quartz tube liquid level gauge. Background Art

[0002] The quartz tube two-color liquid level gauge is developed using the latest technology at home and abroad. It uses the principle of natural light refraction and reflection in liquid, and with the help of red and green films, the liquid phase is displayed green and the gas phase is displayed red during measurement. Due to the large contrast between the liquid and gas phases and the clear indication, it is more conducive to long-distance operation and night patrol. Therefore, it is widely used in various transparent liquid containers and boilers in the petroleum, chemical, electric power, metallurgy and other industries.

[0003] The patent document with authorization announcement number: CN201716067U discloses a high-definition display quartz tube two-color liquid level gauge, which involves a quartz glass tube with a special-shaped cavity cross-section, a connecting valve connected to the upper and lower ends of the quartz glass tube respectively, and a shell arranged outside the quartz glass tube, a liquid level indicator scale is arranged on the front side of the shell, a light source and a filter plate are arranged on the rear side thereof, a light source and a filter plate are also arranged on the left and right sides of the shell respectively, the filter plate arranged on the rear side of the shell is a green filter plate, and the filter plates arranged on the left and right sides of the shell are red filter plates.

[0004] However, in the process of use, there may be a low temperature environment. The adhesion of frost will cause the transparency of the two-color quartz tube level gauge to decrease, making it difficult to observe the liquid level. The accumulation of frost may increase the pressure outside the level gauge, which will have a negative impact on the sealing and structural stability of the level gauge. Long-term frost pressure may cause leakage or other failures in the level gauge.

[0005] Therefore, it is necessary to provide a two-color quartz tube level gauge with good anti-frost effect and convenient pressure relief to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a two-color quartz tube liquid level gauge.

[0007] The double-color quartz tube liquid level gauge provided by the utility model comprises a liquid level tube, the top and the bottom of the liquid level tube are both connected with connecting blocks, a defrosting mechanism is arranged on the outside of the connecting block, a pressure relief mechanism is connected to one side of the connecting block, the defrosting mechanism is used to increase the temperature around the liquid level tube, and the pressure relief mechanism is used to reduce the pressure and humidity inside the liquid level tube.

[0008] In order to achieve the effect of improving the stability of the heating plate, the utility model provides a two-color quartz tube level gauge. Preferably, the defrost mechanism includes a sleeve block screwed to the outside of the connecting block, the top of the sleeve block is connected to a connecting column, one end of the connecting column passes through the top of the sleeve block and extends to the interior and is connected to the heat conduction plate, and the bottom of the heat conduction plate is connected to an insert block.

[0009] In order to further improve the stability, the utility model provides a two-color quartz tube level gauge. Preferably, a slot for cooperating with the plug block is provided on the top of the connecting block, a limiting rod is connected to the top of the connecting block, and a limiting hole is provided on the heat conducting plate.

[0010] In order to achieve the effect of facilitating pressure relief, the utility model provides a two-color quartz tube level gauge. Preferably, the pressure relief mechanism includes a pressure relief pipe installed on one side of the connecting block, and a pressure sensor is provided on the pressure relief pipe, and an electromagnetic valve is connected to the air outlet end of the pressure relief pipe.

[0011] In order to facilitate the adjustment of the infusion rate, the utility model provides a two-color quartz tube level gauge. Preferably, one end of the connecting block is connected to a connecting pipe, one side of the connecting pipe is provided with a control valve, one side of the control valve is connected to a handle, and the air inlet end of the control valve is connected to a flange.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Defrost mechanism: It is convenient to reduce the adhesion of frost, which leads to the reduction of transparency of the two-color quartz tube liquid level gauge, making it difficult to observe the liquid level and reducing the accuracy of the liquid level measurement;

[0014] Pressure relief mechanism: Since the inside of the liquid level tube is in a sealed state, the pressure relief mechanism can prevent the defrost mechanism from generating heat. During this process, the liquid inside the liquid level tube will evaporate due to the heat and produce steam, which will increase the pressure inside the liquid level tube and have a negative impact on the structural stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a two-color quartz tube liquid level gauge provided by the utility model;

[0016] Figure 2 for Figure 1 A partial structural schematic diagram of the connecting block and the defrosting mechanism shown;

[0017] Figure 3 for Figure 2 The structural cross-sectional view of the connecting block and the sleeve block shown;

[0018] Figure 4 for Figure 3 Schematic diagram of the structure of the connecting column and the connecting block shown.

[0019] Numbers in the figure: 1. Liquid level tube; 2. Connecting block; 3. Defrosting mechanism; 31. Bushing block; 32. Connecting column; 33. Heat transfer plate; 34. Insert block; 35. Slot; 36. Limit rod; 37. Limit hole; 4. Pressure relief mechanism; 41. Solenoid valve; 42. Pressure sensor; 5. Connecting pipe; 6. Control valve; 7. Handle; 8. Flange. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a two-color quartz tube liquid level gauge provided by the utility model; Figure 2 for Figure 1 A partial structural schematic diagram of the connecting block and the defrosting mechanism shown; Figure 3 for Figure 2 The structural cross-sectional view of the connecting block and the sleeve block shown; Figure 4 for Figure 3 The schematic diagram of the structure of the connecting column and the connecting block is shown. The two-color quartz tube liquid level gauge includes a liquid level tube 1, the top and bottom of the liquid level tube 1 are connected to the connecting block 2, the outer side of the connecting block 2 is provided with a defrosting mechanism 3, one side of the connecting block 2 is connected to a pressure relief mechanism 4, the defrosting mechanism 3 is used to increase the ambient temperature of the liquid level tube 1, and the pressure relief mechanism 4 is used to reduce the internal pressure and humidity of the liquid level tube 1.

[0022] In the specific implementation process, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the defrost mechanism 3 includes a sleeve block 31 screwed to the outside of the connecting block 2, the top of the sleeve block 31 is connected to a connecting column 32, one end of the connecting column 32 passes through the top of the sleeve block 31 and extends to the inside and is connected to a heat conducting plate 33, and the bottom of the heat conducting plate 33 is connected to an insert block 34.

[0023] By sleeve block 31 being sleeved on connecting block 2 and rotating, sleeve block 31 is moved downward along the outer side of connecting block 2, so that insert block 34 is inserted into slot 35, heat conducting plate 33 is fitted with the bottom of slot 35, and heat conducting plate 33 is powered on to generate heat energy, which is transferred to sleeve block 31 through heat transfer.

[0024] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a slot 35 for cooperating with the insert block 34 is provided on the top of the connection block 2 , a limiting rod 36 is connected to the top of the connection block 2 , and a limiting hole 37 is provided on the heat conducting plate 33 .

[0025] When the insert block 34 is inserted into the slot 35 , the limiting rod 36 is inserted into the upper limiting hole 37 of the heat conducting plate 33 , so as to improve the stability between the heat conducting plate 33 and the connecting block 2 .

[0026] It should be noted that: the bottom of the connecting block 2 is connected to the top flange of the liquid level tube 1, the heat conduction plate 33 is slidably mounted on the connecting column 32, the interior of the sleeve 31 is threadedly connected to the outer side of the connecting block 2, the bottom of the limit rod 36 and the connecting block 2 are an integrally cast part, and the interior of the connecting block 2 is connected to the interior of the liquid level tube 1.

[0027] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the pressure relief mechanism 4 includes a pressure relief pipe installed on one side of the connecting block 2, and a pressure sensor 42 is arranged on the pressure relief pipe, and a solenoid valve 41 is connected to the air outlet end of the pressure relief pipe.

[0028] By arranging a pressure sensor 42 on one side of the connecting block 2 , it is convenient to monitor the pressure inside the liquid level pipe 1 , and the staff can remotely control the opening and closing of the solenoid valve 41 to discharge the pressure inside the liquid level pipe 1 .

[0029] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, one end of the connecting block 2 is connected to a connecting pipe 5, one side of the connecting pipe 5 is provided with a control valve 6, one side of the control valve 6 is connected to a handle 7, and the air inlet end of the control valve 6 is connected to a flange 8.

[0030] By arranging the control valve 6 on one side of the connecting pipe 5 , it is convenient for the staff to adjust the flow rate of the liquid inside the control valve 6 by turning the handle 7 .

[0031] It should be noted that: the signal output end of the pressure sensor 42 is connected to an editable logic controller, the telecommunication output end of the editable logic controller is telecommunication connected to the signal input end of the solenoid valve 41, the pressure relief pipe is flange-connected to the connecting block 2, the solenoid valve 41 is flange-connected to the air outlet end of the pressure relief pipe, the connecting pipe 5 is flange-connected to one side of the connecting block 2, and one side of the control valve 6 and the flange 8 are cast as an integral part.

[0032] The working principle of the two-color quartz tube liquid level gauge provided by the utility model is as follows:

[0033] When in use, by installing the flange 8 to the liquid outlet end of the device to be tested, the staff can adjust the liquid flow inside the control valve 6 through the handle 7 on the control valve 6. When frost appears on the liquid level tube 1 due to the low temperature environment around it, the adhesion of frost will cause the transparency of the two-color quartz tube liquid level gauge to decrease, making it difficult to observe the liquid level, or even impossible to perform accurate liquid level measurement. The staff can sleeve the sleeve 31 on the connecting blocks 2 at the top and bottom of the liquid level tube 1, and the sleeve 31 drives the connecting column 32 to move, and the connecting column 32 drives the plug block 34 and the heat conducting plate 33 at the bottom to move respectively, and the plug block 34 is inserted into the interior of the connecting block 2, and the limiting hole 37 on the heat conducting plate 33 is sleeved on the outside of the limiting rod 36, and then the sleeve block is rotated. 31, so that the connecting block 2 and the sleeve block 31 are fixed. After the power cord inside the connecting column 32 is powered on, the heat generated by the heat conducting disc 33 is transferred to the liquid level tube 1 through the connecting block 2, so that the temperature of the surface of the liquid level tube 1 is increased, thereby reducing the formation of frost. In order to avoid that during the process of heat generation by the heat conducting disc 33, the gas inside the liquid level tube 1 generates water mist due to the temperature difference with the external gas, thereby increasing the pressure inside the liquid level tube 1, the pressure data detected by the pressure sensor 42 is uploaded to the editable logic controller. When the pressure reaches the threshold value, the editable logic controller controls the solenoid valve 41 to open, so that the pressure is discharged from the solenoid valve 41 to the liquid level tube 1. After the pressure returns to normal, the solenoid valve 41 is closed to keep the inside of the liquid level tube 1 closed.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Two-color quartz tube level gauge, characterized in that: The invention comprises a liquid level pipe (1), wherein the top and the bottom of the liquid level pipe (1) are both connected to a connection block (2), a defrosting mechanism (3) is arranged on the outside of the connection block (2), and a pressure relief mechanism (4) is connected to one side of the connection block (2), the defrosting mechanism (3) is used to increase the ambient temperature of the liquid level pipe (1), and the pressure relief mechanism (4) is used to reduce the internal pressure and humidity of the liquid level pipe (1).

2. The two-color quartz tube level gauge according to claim 1, characterized in that: The defrosting mechanism (3) comprises a sleeve block (31) screwed to the outside of the connecting block (2); the top of the sleeve block (31) is connected to a connecting column (32); one end of the connecting column (32) passes through the top of the sleeve block (31) and extends to the inside and is connected to a heat conducting plate (33); the bottom of the heat conducting plate (33) is connected to an insert block (34).

3. The two-color quartz tube level gauge according to claim 2, characterized in that: The top of the connection block (2) is provided with a slot (35) for use with the plug block (34), the top of the connection block (2) is connected to a limit rod (36), and the heat conducting plate (33) is provided with a limit hole (37).

4. The two-color quartz tube level gauge according to claim 1, characterized in that: The pressure relief mechanism (4) comprises a pressure relief pipe installed on one side of the connection block (2), a pressure sensor (42) is provided on the pressure relief pipe, and a solenoid valve (41) is connected to the air outlet end of the pressure relief pipe.

5. The two-color quartz tube level gauge according to claim 1, characterized in that: One end of the connection block (2) is connected to a connection pipe (5), one side of the connection pipe (5) is provided with a control valve (6), one side of the control valve (6) is connected to a handle (7), and the air inlet end of the control valve (6) is connected to a flange (8).

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