High-pressure-resistant radar liquid level meter

Abstract

The utility model belongs to the field of radar liquid level meters, and particularly relates to a high-pressure-resistant radar liquid level meter which comprises a flange ring, a radar liquid level meter body is fixedly installed in an inner cavity of the flange ring, and a wire is arranged on one side of the radar liquid level meter body. Through cooperation of the inner protective layer, the reinforcing layer and the outer protective layer, high-pressure resistance and high-temperature resistance of the plastic shell can be improved, internal electronic elements are prevented from being damaged, through the anti-oxidation layer made of an aluminum oxide material, excellent anti-oxidation performance and corrosion resistance are achieved, damage of the radar liquid level meter body due to long-term exposure in a severe environment is avoided, and the service life of the radar liquid level meter is prolonged. The problems that an existing radar liquid level meter shell is made of a metal material and a plastic material, the radar liquid level meter shell made of the metal material is high in cost and large in weight, the radar liquid level meter shell made of the plastic material is low in cost but poor in high-pressure resistance and high-pressure performance, and therefore the service life of the radar liquid level meter is shortened are solved.

Description

Technical Field

[0001] The utility model relates to the field of radar level gauges, and particularly to a high-pressure resistant radar level gauge. Background Technique

[0002] The radar level gauge belongs to a general-purpose radar level gauge. It is a measuring instrument based on the time-of-flight principle. The radar wave travels at the speed of light, and the running time can be converted into a level signal by electronic components. The probe emits high-frequency pulses that propagate in space at the speed of light. When the pulse encounters the surface of the material, it is reflected back and received by the receiver in the instrument, and the distance signal is converted into a level signal.

[0003] The existing radar level gauge shells are divided into metal materials and plastic materials. The shell of the radar level gauge made of metal materials has a high cost and a large weight, while the shell of the radar level gauge made of plastic materials, although relatively cheap in cost, has poor high-pressure resistance and high-pressure performance, thus reducing the service life of the radar level gauge. Therefore, a high-pressure resistant radar level gauge is proposed for the above problems. Content of the Utility Model

[0004] In order to make up for the deficiencies of the prior art and solve the problems that the existing radar level gauge shells are divided into metal materials and plastic materials, the shell of the radar level gauge made of metal materials has a high cost and a large weight, while the shell of the radar level gauge made of plastic materials, although relatively cheap in cost, has poor high-pressure resistance and high-pressure performance, thus reducing the service life of the radar level gauge, the utility model proposes a high-pressure resistant radar level gauge.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a high-pressure resistant radar level gauge, including a flange ring, the inner cavity of the flange ring is fixedly installed with a radar level gauge body, one side of the radar level gauge body is provided with a wire, the front side of the radar level gauge body is provided with a display screen, and the bottom of the radar level gauge body is fixedly installed with an antenna;

[0006] The radar level gauge body includes a plastic shell, the plastic shell is composed of a base layer, an inner protective layer, a strengthening layer and an outer protective layer. The inner protective layer is arranged on the inner side of the base layer, the strengthening layer is arranged on the outer side of the plastic shell, and the outer protective layer is arranged on the outer side of the strengthening layer.

[0007] Preferably, the inner protective layer includes an impact-resistant layer, and an internal high-temperature resistant layer is arranged on the inner side of the impact-resistant layer.

[0008] Preferably, the impact-resistant layer is made of polycarbonate material, and the internal high-temperature resistant layer is made of polyimide material.

[0009] The impact-resistant layer made of polycarbonate material has excellent impact resistance and high strength, and is suitable for manufacturing plastic shells that need to withstand large impact forces.

[0010] Preferably, the reinforcing layer includes a high-voltage resistant layer, and a corrosion-resistant layer is provided on the surface of the high-voltage resistant layer.

[0011] Preferably, the high-voltage resistant layer is made of epoxy resin material, and the corrosion-resistant layer is made of polypropylene material.

[0012] The high-voltage resistant layer made of epoxy resin material has excellent insulation performance and mechanical strength, and is suitable for manufacturing the shells of electrical equipment and occasions that need to withstand high voltages.

[0013] Preferably, the outer protective layer includes an external high-temperature resistant layer, and an antioxidant layer is provided on the surface of the external high-temperature resistant layer.

[0014] Preferably, the external high-temperature resistant layer is made of polytetrafluoroethylene material, and the antioxidant layer is made of alumina material.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. By the cooperation of the inner protective layer, the reinforcing layer and the outer protective layer, the present utility model can improve the high-voltage and high-temperature resistance performance of the plastic shell, so that the internal electronic components are not damaged;

[0017] 2. The antioxidant layer made of alumina material in the present utility model has excellent antioxidant performance and corrosion resistance, and can prevent the radar level gauge body from being damaged due to long-term exposure to harsh environments. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of the high-voltage resistant radar level gauge of the present utility model;

[0020] Figure 2 It is a structural composition diagram of the plastic shell of the present utility model;

[0021] Figure 3 It is a structural composition diagram of the inner protective layer of the present utility model;

[0022] Figure 4 It is a structural composition diagram of the reinforcing layer of the present utility model;

[0023] Figure 5 This is the structural composition diagram of the outer protective layer of the present utility model.

[0024] In the figure: 1. Flange ring; 2. Radar level gauge body; 21. Plastic shell; 201. Base layer; 202. Inner protective layer; 2021. Impact-resistant layer; 2022. Inner high-temperature resistant layer; 203. Reinforcement layer; 2031. High-pressure resistant layer; 2032. Corrosion-resistant layer; 204. Outer protective layer; 2041. Outer high-temperature resistant layer; 2042. Antioxidant layer; 3. Conducting wire; 4. Display screen; 5. Antenna. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0026] The following is a further detailed description of the present application in conjunction with the attached Figures 1-5 This further details the present application.

[0027] The embodiments of the present application disclose a high-pressure resistant radar level gauge. Referring to Figure 1 and Figure 2 , a high-pressure resistant radar level gauge includes a flange ring 1. The inner cavity of the flange ring 1 is fixedly installed with a radar level gauge body 2. A conducting wire 3 is arranged on one side of the radar level gauge body 2. A display screen 4 is arranged on the front side of the radar level gauge body 2. An antenna 5 is fixedly installed at the bottom of the radar level gauge body 2;

[0028] The radar level gauge body 2 includes a plastic shell 21. The plastic shell 21 is composed of a base layer 201, an inner protective layer 202, a reinforcement layer 203, and an outer protective layer 204. The inner protective layer 202 is arranged on the inner side of the base layer 201. The reinforcement layer 203 is arranged on the outer side of the plastic shell 21. The outer protective layer 204 is arranged on the outer side of the reinforcement layer 203. Through the cooperation of the inner protective layer 202, the reinforcement layer 203, and the outer protective layer 204, the high-pressure resistance and high-temperature resistance performance of the plastic shell 21 can be improved, so that the internal electronic components are not damaged, and the breakage of the radar level gauge body 2 during outdoor use is avoided, which affects the normal operation of the equipment.

[0029] Referring to Figure 2 and Figure 3, the inner protective layer 202 includes an impact-resistant layer 2021. An internal high-temperature resistant layer 2022 is provided on the inner side of the impact-resistant layer 2021. The impact-resistant layer 2021 is made of polycarbonate material, and the internal high-temperature resistant layer 2022 is made of polyimide material. The impact-resistant layer 2021 made of polycarbonate material has excellent impact resistance and high strength, and is suitable for manufacturing the plastic housing 21 that needs to withstand greater impact force. The internal high-temperature resistant layer 2022 made of polyimide material has excellent high-temperature resistance performance.

[0030] Refer to Figure 2 and Figure 4 , the reinforcement layer 203 includes a high-voltage resistant layer 2031. A corrosion-resistant layer 2032 is provided on the surface of the high-voltage resistant layer 2031. The high-voltage resistant layer 2031 is made of epoxy resin material, and the corrosion-resistant layer 2032 is made of polypropylene material. The high-voltage resistant layer 2031 made of epoxy resin material has excellent insulation performance and mechanical strength, and is suitable for manufacturing the housing of electrical equipment and occasions that need to withstand high voltage. The corrosion-resistant layer 2032 made of polypropylene material has good corrosion resistance performance and good stability to many chemical substances, and is suitable for manufacturing the plastic housing 21 that needs to resist general chemical corrosion.

[0031] Refer to Figure 2 and Figure 5 , the outer protective layer 204 includes an external high-temperature resistant layer 2041. An antioxidant layer 2042 is provided on the surface of the external high-temperature resistant layer 2041. The external high-temperature resistant layer 2041 is made of polytetrafluoroethylene material, and the antioxidant layer 2042 is made of alumina material. The external high-temperature resistant layer 2041 made of tetrafluoroethylene material not only performs excellently in high-voltage resistance but also has excellent high-temperature resistance performance and can work stably in high-temperature environments for a long time. The antioxidant layer 2042 made of alumina material has excellent antioxidant performance and corrosion resistance, avoiding the damage of the radar level gauge body 2 due to long-term exposure to harsh environments.

[0032] Working principle: The impact-resistant layer 2021 made of polycarbonate material has excellent impact resistance and high strength, and is suitable for manufacturing plastic shells 21 that need to withstand large impact forces. The internal high-temperature-resistant layer 2022 made of polyimide material has excellent high-temperature resistance. The high-voltage-resistant layer 2031 made of epoxy resin material has excellent insulation performance and mechanical strength, and is suitable for manufacturing the shells of electrical equipment and occasions that need to withstand high voltage. The corrosion-resistant layer 2032 made of polypropylene material has good corrosion resistance and good stability against many chemical substances, and is suitable for manufacturing plastic shells 21 that need to resist general chemical corrosion. The external high-temperature-resistant layer 2041 made of tetrafluoroethylene material not only performs excellently in high-voltage resistance but also has excellent high-temperature resistance and can work stably for a long time in a high-temperature environment. The antioxidant layer 2042 made of alumina material has excellent antioxidant performance and corrosion resistance, which can prevent the radar level gauge body 2 from being damaged due to long-term exposure to a harsh environment.

[0033] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A high pressure resistant radar level gauge, characterized in that: The invention comprises a flange ring (1), wherein a radar level meter body (2) is fixedly mounted in the inner cavity of the flange ring (1), a wire (3) is arranged on one side of the radar level meter body (2), a display screen (4) is arranged on the front side of the radar level meter body (2), and an antenna (5) is fixedly mounted on the bottom of the radar level meter body (2); The radar level meter body (2) comprises a plastic shell (21), wherein the plastic shell (21) is composed of a base layer (201), an inner protective layer (202), a reinforcement layer (203) and an outer protective layer (204), wherein the inner protective layer (202) is arranged on the inner side of the base layer (201), the reinforcement layer (203) is arranged on the outer side of the plastic shell (21), and the outer protective layer (204) is arranged on the outer side of the reinforcement layer (203).

2. The high pressure resistant radar level gauge according to claim 1, characterized in that: The inner protective layer (202) comprises an impact-resistant layer (2021), and an internal high-temperature resistant layer (2022) is arranged on the inner side of the impact-resistant layer (2021).

3. The high pressure resistant radar level gauge according to claim 2, characterized in that: The impact-resistant layer (2021) is made of a polycarbonate material, and the internal high-temperature-resistant layer (2022) is made of a polyimide material.

4. The high-pressure radar level gauge according to claim 1, characterized in that: The reinforcement layer (203) comprises a high-pressure resistant layer (2031), and a corrosion-resistant layer (2032) is provided on the surface of the high-pressure resistant layer (2031).

5. The high-pressure radar level gauge according to claim 4, characterized in that: The high-pressure resistant layer (2031) is made of epoxy resin material, and the corrosion-resistant layer (2032) is made of polypropylene material.

6. The high-pressure radar level gauge according to claim 1, characterized in that: The outer protective layer (204) comprises an external high temperature resistant layer (2041), and an anti-oxidation layer (2042) is provided on the surface of the external high temperature resistant layer (2041).

7. The high pressure resistant radar level gauge according to claim 6, characterized in that: The external high temperature resistant layer (2041) is made of polytetrafluoroethylene material, and the anti-oxidation layer (2042) is made of aluminum oxide material.

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