Nitrogen analysis controller

Abstract

The utility model relates to the technical field of air separation nitrogen generation, in particular to a nitrogen analysis controller which comprises a shell, an analysis control mechanism is arranged in the shell, a panel is fixedly connected to the front face of the shell, a cover plate is installed on the top of the shell, and an electronic switch is installed on the front face of the panel. The analysis control mechanism comprises a PCB fixedly connected to the bottom of the inner wall of the shell, a wiring terminal is fixedly connected to the back face of the inner wall of the shell, and a filtering sleeve is fixedly connected to the position, above the PCB, of the right side of the inner wall of the shell. The analysis control system in the device is used for controlling the nitrogen making machine, and the problems that an air separation system of an existing nitrogen making machine is composed of a controller, a touch screen, a nitrogen analyzer and the like, the three parts are usually produced by different suppliers, nitrogen making machine manufacturers need to integrate and debug the three products for use, and use is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air separation nitrogen production, in particular to a nitrogen analysis controller. Background Art

[0002] Air separation nitrogen production is to pressurize the air in the atmosphere through a compressor to increase its pressure and density. After multi-stage compression, the air is sent to the air separation equipment for separation. The principle is to deeply separate the nitrogen and oxygen in the air through an air separator, separate the nitrogen from the air and retain it, but the existing nitrogen generators still have shortcomings. Specifically: the air separation system of the current nitrogen generator is composed of a controller, a touch screen, a nitrogen analyzer, etc. The three parts are usually produced by different suppliers. Nitrogen generator manufacturers need to integrate and debug the three products before they can be used, which is inconvenient to use.

[0003] Therefore, a nitrogen analysis controller is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a nitrogen analysis controller to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A nitrogen analysis controller comprises a housing, an analysis control mechanism is arranged inside the housing, a panel is fixedly connected to the front of the housing, a cover is installed on the top of the housing, and an electronic switch is installed on the front of the panel;

[0007] The analysis and control mechanism includes a PCB circuit board fixedly connected to the bottom of the inner wall of the shell, a wiring terminal is fixedly connected to the back of the inner wall of the shell, a filter sleeve is fixedly connected to the right side of the inner wall of the shell and above the PCB circuit board, an air intake pipe is fixedly connected to the back of the filter sleeve, a zirconium oxide sensor is fixedly connected to the inner wall of the filter sleeve and at a position away from the air intake pipe, the zirconium oxide sensor is connected to the PCB circuit board through a connecting wire, an exhaust pipe is fixedly connected to the front of the filter sleeve and at a corresponding position of the air intake pipe, and a touch control screen is fixedly connected to the inside of the panel.

[0008] As a preferred solution of the utility model, the shell, the panel and the cover plate are all made of aluminum alloy, and the cover plate is connected to the shell by screws.

[0009] As a preferred solution of the utility model, the filter sleeve is made of aluminum alloy, and multiple groups of filter screens are installed inside the filter sleeve.

[0010] As a preferred solution of the utility model, the exhaust pipe and the air inlet pipe are both made of PVC plastic hoses, and the exhaust pipe is designed as a U-shaped structure.

[0011] As a preferred solution of the utility model, the wiring terminals, the air inlet pipe and the exhaust pipe all penetrate and extend outside the shell, and the wiring terminals and the touch control screen are connected to the PCB circuit board through wires.

[0012] As a preferred solution of the utility model, a plurality of heat dissipation holes are provided on the inner wall of the shell, and the connection between the PCB circuit board and the electronic switch is an electrical connection.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a nitrogen analysis controller is designed, and the analysis control system in the device is used to control the nitrogen generator. The wiring terminal is connected to the solenoid valve on the nitrogen generator by a wire, and then the air inlet pipe is connected to the nitrogen generator by a conduit. The gas in the nitrogen generator will enter the filter sleeve through the air inlet pipe, and the filter in the filter sleeve will remove the impurities in the gas. The zirconium oxide sensor will analyze the gas in the filter sleeve 203 to obtain the nitrogen concentration inside the gas, and input the detection data to the touch control screen through the PCB circuit board. The user inputs the adjustment parameters into the touch control screen according to the displayed detection data, and the PCB circuit board controls the solenoid valve in the nitrogen generator to open or close according to the input adjustment parameters, thereby solving the problem that the air separation system of the current nitrogen generator is composed of a controller, a touch screen, a nitrogen analyzer, etc., and the three parts are usually produced by different suppliers. The nitrogen generator manufacturer needs to integrate and debug the three products before use, which is inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is an exploded schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the exploded three-dimensional structure of the analysis and control mechanism of the utility model.

[0018] In the figure: 1. Shell; 2. Analysis and control mechanism; 3. Panel; 4. Cover; 5. Electronic switch; 201. PCB circuit board; 202. Terminal block; 203. Filter sleeve; 204. Inlet pipe; 205. Zirconia sensor; 206. Connecting wires; 207. Exhaust pipe; 208. Touch control screen. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A nitrogen analysis controller comprises a housing 1, an analysis control mechanism 2 is arranged inside the housing 1, a panel 3 is fixedly connected to the front of the housing 1, a cover plate 4 is installed on the top of the housing 1, and an electronic switch 5 is installed on the front of the panel 3;

[0025] The housing 1, the panel 3 and the cover plate 4 are all made of aluminum alloy, and the cover plate 4 is connected to the housing 1 by screws;

[0026] In this embodiment, reference Figure 2 and Figure 3The analysis and control mechanism 2 comprises a PCB circuit board 201 fixedly connected to the bottom of the inner wall of the shell 1, a terminal 202 is fixedly connected to the back of the inner wall of the shell 1, a filter sleeve 203 is fixedly connected to the right side of the inner wall of the shell 1 and above the PCB circuit board 201, an air intake pipe 204 is fixedly connected to the back of the filter sleeve 203, a zirconia sensor 205 is fixedly connected to the inner wall of the filter sleeve 203 and at a position away from the air intake pipe 204, the zirconia sensor 205 is connected to the PCB circuit board 201 through a connecting wire 206, an exhaust pipe 207 is fixedly connected to the front of the filter sleeve 203 and at a position corresponding to the air intake pipe (204), and a touch control screen 208 is fixedly connected to the inside of the panel 3;

[0027] The filter sleeve 203 is made of aluminum alloy, and multiple groups of filter screens are installed inside the filter sleeve 203. The exhaust pipe 207 and the air inlet pipe 204 are made of PVC plastic hoses. The exhaust pipe 207 is designed in a U-shaped structure. The wiring terminal 202, the air inlet pipe 204 and the exhaust pipe 207 all penetrate and extend to the outside of the shell 1. The wiring terminal 202 and the touch control screen 208 are connected to the PCB circuit board 201 through wires. The inner wall of the shell 1 is provided with multiple groups of heat dissipation holes. The connection method of the PCB circuit board 201 and the electronic switch 5 is electrical connection. The wiring terminal 202 is connected to the solenoid valve on the nitrogen generator by using a wire, and then a catheter is used to connect the wiring terminal 202 to the solenoid valve on the nitrogen generator. The air inlet pipe 204 is connected to the nitrogen generator, and the gas in the nitrogen generator will enter the filter sleeve 203 through the air inlet pipe 204. The filter in the filter sleeve 203 will remove impurities in the gas. The zirconium oxide sensor 205 will analyze the gas in the filter sleeve 203 to obtain the nitrogen concentration inside the gas, and input the detection data to the touch control screen 208 through the PCB circuit board 201. The user inputs adjustment parameters into the touch control screen 208 according to the displayed detection data. The PCB circuit board 201 controls the solenoid valve in the nitrogen generator to open or close according to the input adjustment parameters, and the detected gas is discharged from the shell 1 through the exhaust pipe 207.

[0028] The working process of the utility model is as follows: when the nitrogen analysis controller designed by the present invention is in operation, the terminal 202 is connected to the solenoid valve on the nitrogen generator by a wire, and then the air inlet pipe 204 is connected to the nitrogen generator by a conduit. The gas in the nitrogen generator will enter the filter sleeve 203 through the air inlet pipe 204, and the filter in the filter sleeve 203 will remove impurities in the gas. The zirconium oxide sensor 205 will analyze the gas in the filter sleeve 203 to obtain the nitrogen concentration inside the gas, and input the detection data to the touch control screen 208 through the PCB circuit board 201. The user inputs adjustment parameters into the touch control screen 208 according to the displayed detection data, and the PCB circuit board 201 controls the solenoid valve in the nitrogen generator to open or close according to the input adjustment parameters, and the detected gas is discharged from the shell 1 through the exhaust pipe 207.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nitrogen analysis controller, comprising a housing (1), characterized in that: An analysis control mechanism (2) is arranged inside the housing (1), a panel (3) is fixedly connected to the front of the housing (1), a cover plate (4) is installed on the top of the housing (1), and an electronic switch (5) is installed on the front of the panel (3); The analysis and control mechanism (2) comprises a PCB circuit board (201) fixedly connected to the bottom of the inner wall of the housing (1); a wiring terminal (202) is fixedly connected to the back of the inner wall of the housing (1); a filter sleeve (203) is fixedly connected to the right side of the inner wall of the housing (1) and above the PCB circuit board (201); an air intake pipe (204) is fixedly connected to the back of the filter sleeve (203); a zirconium oxide sensor (205) is fixedly connected to the inner wall of the filter sleeve (203) and at a position away from the air intake pipe (204); the zirconium oxide sensor (205) is connected to the PCB circuit board (201) via a connecting wire (206); an exhaust pipe (207) is fixedly connected to the front of the filter sleeve (203) and at a position corresponding to the air intake pipe (204); and a touch control screen (208) is fixedly connected to the interior of the panel (3).

2. A nitrogen analysis controller according to claim 1, characterized in that: The housing (1), the panel (3) and the cover plate (4) are all made of aluminum alloy, and the cover plate (4) is connected to the housing (1) via screws.

3. A nitrogen analysis controller according to claim 1, characterized in that: The filter sleeve (203) is made of aluminum alloy, and multiple groups of filter screens are installed inside the filter sleeve (203).

4. A nitrogen analysis controller according to claim 1, characterized in that: The exhaust pipe (207) and the air inlet pipe (204) are both made of PVC plastic hoses, and the exhaust pipe (207) is designed as a U-shaped structure.

5. A nitrogen analysis controller according to claim 1, characterized in that: The connection terminal (202), the air inlet pipe (204) and the exhaust pipe (207) all penetrate and extend outside the housing (1); the connection terminal (202) and the touch control screen (208) are connected to the PCB circuit board (201) via wires.

6. A nitrogen analysis controller according to claim 1, characterized in that: The inner wall of the housing (1) is provided with a plurality of heat dissipation holes, and the PCB circuit board (201) and the electronic switch (5) are connected in an electrically connected manner.

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