Adjustable brightness explosion-proof magnetic red-green two-color liquid level meter

Abstract

The utility model relates to industrial use explosion -proof liquid level measuring instrument related technical field, especially a kind of adjustable brightness's explosion -proof magnetic red-green dual-color liquid level meter, including explosion -proof shell, the inside of explosion -proof shell is provided with liquid level display mechanism.The adjustable brightness's explosion -proof magnetic red-green dual-color liquid level meter, by the setting of liquid level display mechanism, the safe, stable power supply that explosion -proof power supply provides electronic component in explosion -proof shell, first, the magnetic float ball in communication pipe moves up and down with liquid level, when moving to a position, it will make the signal detection dry reed tube flush with this position and close integrated gate circuit by magnetic force attraction, because signal detection dry reed tube and LED dual-color luminescent tube are in series, gate circuit closes after corresponding LED dual-color luminescent tube lights up, red color is bright above liquid level, green is bright below, operator observes the red-green luminescent tube demarcation that LED dual-color luminescent tube emits through transparent explosion -proof glass, combined with the scale bar on the surface of explosion -proof shell, liquid level height can be clearly and intuitively read.

Description

Technical Field

[0001] This utility model relates to the technical field of industrial explosion-proof liquid level measuring instruments, and in particular to an explosion-proof magnetostrictive red-green dual-color liquid level gauge with adjustable brightness. Background Technology

[0002] In industries such as petroleum, chemical, pharmaceutical, and energy, liquid level monitoring is a crucial link in ensuring stable production processes, accurate material management, and safe production. Industrial explosion-proof liquid level measuring instruments, as core monitoring equipment, can operate stably in hazardous environments containing flammable and explosive gases, dust, or corrosive media. Through different technical principles such as magnetostrictive induction, radar, and ultrasound, they can achieve real-time capture and feedback of liquid levels in storage tanks and containers, providing data support for continuous industrial operations and safety management. In these scenarios, liquid level gauges are key devices that undertake this core measurement function. In industrial environments with flammable and explosive risks, the requirements for the explosion-proof performance and measurement accuracy of liquid level gauges are extremely high. Therefore, there is a particular need for an explosion-proof magnetostrictive red-green dual-color liquid level gauge with adjustable brightness.

[0003] However, existing level gauges are not suitable for explosion-proof environments. They have problems such as non-adjustable display brightness, short viewing distance, small display angle, unclear scale, unintuitive readings, and difficulty in balancing explosion-proof performance and display effect. Especially for liquid storage tanks installed at high altitudes, higher brightness is required for ground staff to observe them. However, for some installation scenarios that require the use of cameras for observation, higher brightness will cause light pollution and make it difficult for the camera to clearly pick up information.

[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] The purpose of this invention is to provide an explosion-proof magnetostrictive red-green dual-color level gauge with adjustable brightness, in order to solve the problems mentioned in the background art, such as the inapplicability of existing level gauges in explosion-proof environments, the inability to adjust the display brightness, short viewing distance, small display angle, unclear scale, unintuitive reading, and the difficulty in balancing explosion-proof performance and display effect. Especially for liquid storage tanks installed at high altitudes, higher brightness is required to be observed, but for some installation scenarios that use cameras for observation, higher brightness will cause light pollution and make it inconvenient for the camera to clearly pick up information.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an explosion-proof magnetostrictive red-green dual-color level gauge with adjustable brightness, comprising an explosion-proof housing, a level display mechanism disposed inside the explosion-proof housing, a connecting pipe fixedly installed on one side of the surface of the explosion-proof housing, and a magnetic float embedded inside the connecting pipe; The liquid level display mechanism includes a scale bar, an explosion-proof power supply, a recessed groove, transparent explosion-proof glass, a magnetic induction element, an LED red-green dual-color display screen, a signal detection reed switch, and an LED dual-color light-emitting diode. The scale bar is connected to the surface of the explosion-proof housing, the explosion-proof power supply is connected to one side of the surface of the explosion-proof housing, the recessed groove is formed on the surface of the explosion-proof housing, the transparent explosion-proof glass is fixedly installed on the display surface of the explosion-proof housing, the magnetic induction element is embedded inside the explosion-proof housing, the LED red-green dual-color display screen is embedded inside the explosion-proof housing, the signal detection reed switch is connected to the surface of the magnetic induction element, and the LED dual-color light-emitting diode is connected to the surface of the LED red-green dual-color display screen.

[0007] Preferably, the magnetic sensing element is fitted inside the slot, and the signal detection reed switch is distributed in multiple groups at equal intervals.

[0008] Preferably, the LED red-green dual-color display screen is embedded inside the groove, and the LED dual-color light-emitting tubes are distributed in multiple groups at equal intervals.

[0009] Preferably, the LED red-green dual-color display screen is sealed with epoxy resin potting compound, and the signal detection reed switch is connected in series with the LED dual-color light-emitting diode.

[0010] Preferably, the explosion-proof power supply is an intrinsically safe power supply with adjustable voltage, and the signal detection reed switch cooperates with the magnetic float.

[0011] Preferably, the explosion-proof housing is made of stainless steel.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This adjustable brightness explosion-proof magnetostrictive red-green dual-color level gauge displays the level of the measured liquid by changing the red and green of the LED dual-color light-emitting tube. It has high display brightness, long viewing distance, clear scale, wide display angle, and intuitive reading. Furthermore, the setting of the red air column and green liquid column of the LED dual-color light-emitting tube, combined with the scale strip on the explosion-proof shell, allows operators to quickly and accurately judge the liquid level. At the same time, the explosion-proof sealed shell has good explosion-proof performance and can be used safely in flammable and explosive environments. Attached Figure Description

[0013] Figure 1 This is a side view of the appearance structure of this utility model; Figure 2 This is a schematic diagram of the liquid level display mechanism of this utility model; Figure 3 This is a schematic diagram of the structure of the magnetic induction element and the signal detection reed switch of this utility model. Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0014] In the diagram: 1. Explosion-proof housing; 2. Liquid level display mechanism; 201. Scale bar; 202. Explosion-proof power supply; 203. Embedded groove; 204. Transparent explosion-proof glass; 205. Magnetic induction element; 206. LED red-green dual-color display screen; 207. Signal detection reed switch; 208. LED dual-color light-emitting tube; 3. Connecting tube; 4. Magnetic float. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1-4 This utility model provides a technical solution: an explosion-proof magnetostrictive red-green dual-color liquid level gauge with adjustable brightness, including an explosion-proof housing 1, a liquid level display mechanism 2 is provided inside the explosion-proof housing 1, a connecting pipe 3 is fixedly installed on one side of the surface of the explosion-proof housing 1, and a magnetic float 4 is embedded inside the connecting pipe 3. The liquid level display mechanism 2 includes a scale bar 201, an explosion-proof power supply 202, a recess 203, a transparent explosion-proof glass 204, a magnetic induction element 205, an LED red-green dual-color display screen 206, a signal detection reed switch 207, and an LED dual-color light-emitting diode 208. The scale bar 201 is connected to the surface of the explosion-proof housing 1. The explosion-proof power supply 202 is connected to one side of the surface of the explosion-proof housing 1. The recess 203 is formed on the surface of the explosion-proof housing 1. The transparent explosion-proof glass 204 is fixedly installed on the display surface of the explosion-proof housing 1. The magnetic induction element 205 and the LED red-green dual-color display screen 206 are embedded inside the explosion-proof housing 1. The signal detection reed switch 207 is connected to the surface of the magnetic induction element 205. The LED dual-color light-emitting diode 208 is connected to the surface of the LED red-green dual-color display screen 206. The explosion-proof power supply 202 is part of the explosion-proof housing. The electronic components inside 1 provide a safe and stable power supply. First, the magnetic float 4 in the connecting tube 3 moves up and down with the liquid level. When it moves to a certain position, the signal detection reed switch 207 on the magnetic induction element 205, which is embedded in the groove 203 of the explosion-proof housing 1 and is flush with that position, will be attracted by the magnetic force and close the integrated gate circuit. Since the signal detection reed switch 207 is connected in series with the LED dual-color light-emitting tube 208, after the gate circuit is closed, the corresponding LED dual-color light-emitting tube 208 on the LED red and green dual-color display screen 206 will light up. The upper part of the liquid level is red and the lower part is green. The operator can observe the red and green light-emitting tube boundary emitted by the LED dual-color light-emitting tube 208 through the transparent explosion-proof glass 204. Combined with the scale bar 201 on the surface of the explosion-proof housing 1, the liquid level height can be clearly and intuitively read. The brightness of the LED dual-color light-emitting tube 208 can be adjusted according to the actual situation.

[0017] Furthermore, the magnetic induction element 205 is embedded inside the groove 203, and the signal detection reed switch 207 is distributed in multiple groups at equal intervals. Through the setting of the signal detection reed switch 207, when in use, the signal detection reed switch 207 can be attracted by the magnetic force of the magnetic float 4, thereby closing the integrated gate circuit and providing a signal trigger for lighting up the LED dual-color light-emitting tube 208.

[0018] Furthermore, the LED red-green dual-color display screen 206 is embedded inside the groove 203. The LED dual-color light-emitting tubes 208 are distributed in multiple groups at equal intervals. With the setting of the LED dual-color light-emitting tubes 208, when in use, the LED dual-color light-emitting tubes 208 will light up accordingly after the gate circuit is closed, with red light above the liquid surface and green light below. The red and green color boundary intuitively indicates the liquid level position, and the brightness can also be adjusted according to actual needs.

[0019] Furthermore, the LED red-green dual-color display screen 206 is sealed with epoxy resin potting compound. The signal detection reed switch 207 and the LED dual-color light-emitting tube 208 are connected in series. Through the setting of the LED red-green dual-color display screen 206, when in use, the LED red-green dual-color display screen 206 is sealed with epoxy resin potting compound to enhance protection. The surface is connected to the LED dual-color light-emitting tube 208, providing an installation base for the LED dual-color light-emitting tube 208. The light-emitting unit is integrated to form a complete liquid level display interface.

[0020] Furthermore, the explosion-proof power supply 202 is an intrinsically safe power supply with adjustable voltage. The signal detection reed switch 207 works in conjunction with the magnetic float 4. Through the configuration of the explosion-proof power supply 202, during use, it can provide safe and stable power support to all electronic components within the explosion-proof enclosure 1, ensuring the normal operation of components in explosion-proof environments and avoiding safety risks caused by power supply issues. By adjusting the voltage, the brightness of the LED dual-color light-emitting diode 208 can be controlled. During installation and debugging, the brightness of the LED dual-color light-emitting diode 208 can be easily adjusted for convenient observation.

[0021] Furthermore, the explosion-proof enclosure 1 is made of stainless steel. With the setting of the explosion-proof enclosure 1, during use, the explosion-proof enclosure 1 can provide an installation carrier and protective enclosure for all internal components, with good explosion-proof performance and structural stability, protecting internal components from the influence of the external environment.

[0022] Working principle: The explosion-proof power supply 202 provides a safe and stable power supply to the electronic components inside the explosion-proof housing 1. First, the magnetic float 4 in the connecting tube 3 moves up and down with the liquid level. When it moves to a certain position, it will cause the signal detection reed switch 207 on the magnetic induction element 205, which is embedded in the groove 203 of the explosion-proof housing 1 and is flush with that position, to be attracted by the magnetic force and close the integrated gate circuit. Since the signal detection reed switch 207 is connected in series with the LED dual-color light-emitting tube 208, after the gate circuit is closed, the corresponding LED dual-color light-emitting tube 208 on the LED red-green dual-color display screen 206 will light up. The upper part of the liquid level is red and the lower part is green. The operator can observe the red and green light-emitting tube boundary emitted by the LED dual-color light-emitting tube 208 through the transparent explosion-proof glass 204. Combined with the scale bar 201 on the surface of the explosion-proof housing 1, the liquid level height can be clearly and intuitively read. The brightness of the LED dual-color light-emitting tube 208 can be adjusted according to the actual situation.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof magnetostrictive red-green dual-color level gauge with adjustable brightness, comprising an explosion-proof housing (1), characterized in that: The explosion-proof housing (1) is provided with a liquid level display mechanism (2), and a connecting pipe (3) is fixedly installed on one side of the surface of the explosion-proof housing (1). A magnetic float (4) is embedded inside the connecting pipe (3). The liquid level display mechanism (2) includes a scale bar (201), an explosion-proof power supply (202), a groove (203), a transparent explosion-proof glass (204), a magnetic induction element (205), an LED red-green dual-color display screen (206), a signal detection reed switch (207), and an LED dual-color light-emitting tube (208). The scale bar (201) is connected to the surface of the explosion-proof housing (1). The explosion-proof power supply (202) is connected to one side of the surface of the explosion-proof housing (1). The groove (203) is opened on the surface of the explosion-proof housing (1). The transparent explosion-proof glass (204) is fixedly installed on the display surface of the explosion-proof housing (1). The magnetic induction element (205) is embedded inside the explosion-proof housing (1). The LED red-green dual-color display screen (206) is embedded inside the explosion-proof housing (1). The signal detection reed switch (207) is connected to the surface of the magnetic induction element (205). The LED dual-color display screen (206) is connected to the surface of the LED red-green dual-color light-emitting tube (208).

2. The adjustable brightness explosion-proof magnetostrictive red-green dual-color level gauge according to claim 1, characterized in that: The magnetic sensing element (205) is fitted inside the slot (203), and the signal detection reed switch (207) is distributed in multiple equally spaced groups.

3. The adjustable brightness explosion-proof magnetostrictive red-green dual-color level gauge according to claim 1, characterized in that: The LED red-green dual-color display screen (206) is embedded inside the groove (203), and the LED dual-color light-emitting tubes (208) are distributed in multiple groups with equal spacing.

4. The explosion-proof magnetostrictive red-green dual-color level gauge with adjustable brightness according to claim 1, characterized in that: The LED red-green dual-color display screen (206) is sealed with epoxy resin potting compound, and the signal detection reed switch (207) and the LED dual-color light-emitting diode (208) are connected in series.

5. The adjustable brightness explosion-proof magnetostrictive red-green dual-color level gauge according to claim 1, characterized in that: The explosion-proof power supply (202) is an intrinsically safe power supply with adjustable voltage, and the signal detection reed switch (207) cooperates with the magnetic float (4).

6. The explosion-proof magnetostrictive red-green dual-color level gauge with adjustable brightness according to claim 1, characterized in that: The explosion-proof housing (1) is made of stainless steel.

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