Nitrogen concentration controllable nitrogen cabinet

Abstract

The utility model discloses a nitrogen concentration controllable nitrogen cabinet, and relates to the technical field of nitrogen cabinets. The nitrogen cabinet comprises a nitrogen cabinet body, the nitrogen cabinet body is a hollow rectangular box body, the front wall face of the nitrogen cabinet body is hollowed out, a plurality of strip-shaped rods which are longitudinally distributed at equal intervals are fixedly installed on the front wall face of the nitrogen cabinet body, two cabinet doors are movably installed between every two adjacent strip-shaped rods, and an exhaust valve is fixedly installed at the top of the nitrogen cabinet body. The driving assembly is controlled after the cabinet door is closed every time, the vertical plate assembly and the transverse plate assembly start the ventilation function through the driving assembly, and if the gas detector monitors the content of oxygen and nitrogen in the nitrogen cabinet in real time, oxygen can be exhausted or nitrogen can be injected in time through the exhaust valve and the air inlet valve; therefore, it is ensured that the nitrogen content in the nitrogen cabinet is within the standard range, the internal space of each compartment can be properly reduced according to the size condition of articles by adjusting each partition plate assembly, and the nitrogen usage amount is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen cabinet technical field, concretely relates to a nitrogen concentration controllable type nitrogen cabinet. BACKGROUND

[0002] The nitrogen cabinet is a kind of equipment for creating inert environment by using nitrogen to protect materials, and is widely used in microelectronics, semiconductor, precision manufacturing, biological pharmaceutical and other fields.The core function is to replace oxygen and moisture in the air in the cabinet by continuously filling nitrogen, so as to prevent material oxidation, damp or mildew.Nitrogen cabinet usually has high airtightness, precise temperature and humidity control and nitrogen saving function, and some models are also equipped with intelligent monitoring system, which can display environmental parameters in real time and automatically adjust nitrogen supply.

[0003] Although the traditional nitrogen cabinet with multiple compartments can store in different areas, nitrogen intercommunication between compartments leads to a large amount of nitrogen loss when the cabinet door is opened, causing resource waste.If each compartment is equipped with independent gas path system and monitoring device, although it can reduce the influence of nitrogen intercommunication, the cost is significantly increased, including the cost of independent nitrogen pipeline, valve, flowmeter and sensor, and the cost of later maintenance, therefore, a nitrogen concentration controllable type nitrogen cabinet is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at: for solving the problem that the traditional nitrogen cabinet with multiple compartments can store in different areas, but nitrogen intercommunication between compartments leads to a large amount of nitrogen loss when the cabinet door is opened, causing resource waste, if each compartment is equipped with independent gas path system and monitoring device, although it can reduce the influence of nitrogen intercommunication, the cost is significantly increased, the utility model provides a nitrogen concentration controllable type nitrogen cabinet.

[0005] The utility model discloses a kind of nitrogen concentration controllable type nitrogen cabinets to achieve the above purpose specifically using the following technical solutions:

[0006] A nitrogen concentration controllable type nitrogen cabinet, including nitrogen cabinet, nitrogen cabinet is hollow rectangular box, the front wall of nitrogen cabinet is set to be openwork, the front wall of nitrogen cabinet is fixedly installed with several longitudinal equidistant distribution strip-shaped rods, two cabinet doors are movably installed in the middle of each adjacent two strip-shaped rods, exhaust valve is fixedly installed on the top of nitrogen cabinet, inlet valve is fixedly installed on the top of nitrogen cabinet, pressure gauge is fixedly installed on the top of nitrogen cabinet, gas detector is fixedly installed on the top of nitrogen cabinet, the inside of nitrogen cabinet is provided with vertical plate assembly with ventilation function, the two sides of vertical plate assembly are respectively provided with several groups of longitudinal equidistant distribution horizontal plate assembly with ventilation function, the rear side of nitrogen cabinet is provided with drive assembly for adjusting the ventilation effect of vertical plate assembly and horizontal plate assembly, and each compartment in the inside of nitrogen cabinet, which is composed of vertical plate assembly and horizontal plate assembly, is provided with baffle assembly.

[0007] Further, the vertical plate assembly comprises a partition plate, the partition plate is fixedly installed in the nitrogen tank, a plurality of longitudinal equidistantly distributed air vents are formed in the side wall surface of the partition plate, a groove one is formed in the inner rear wall surface of each air vent, a groove two is formed in the inner front wall surface of each partition plate, a sealing plate is movably installed in each groove one, a round rod one is fixedly installed on the rear wall surface of each sealing plate, and the rear end of each round rod one penetrates the partition plate and the rear wall surface of the nitrogen tank.

[0008] Further, the horizontal plate assembly comprises a partition plate, the partition plate is fixedly installed in the nitrogen tank, a plurality of longitudinal equidistantly distributed air vents are formed in the side wall surface of the partition plate, a groove one is formed in the inner rear wall surface of each air vent, a groove two is formed in the inner front wall surface of each partition plate, a sealing plate is movably installed in each groove one, a round rod one is fixedly installed on the rear wall surface of each sealing plate, and the rear end of each round rod one penetrates the partition plate and the rear wall surface of the nitrogen tank.

[0009] Further, the driving assembly comprises a square one, the square one is fixedly installed on the left side and the right side of the nitrogen tank, a hydraulic rod is fixedly installed on the side wall surface of each square one, a square two is fixedly installed on the output end of each hydraulic rod, a rectangular plate is fixedly installed in the middle of the four square twos, the rear end of each round rod one is fixedly connected with the rectangular plate, and the rear end of each round rod two is fixedly connected with the rectangular plate.

[0010] Further, the partition plate assembly comprises a square three, a plurality of longitudinal equidistantly distributed square threes are fixedly installed on the two sides of the partition plate, an electric telescopic rod is fixedly installed on the side wall surface of each square three, and a movable plate is fixedly installed on the output end of each electric telescopic rod.

[0011] Further, the partition plate assembly further comprises a moving plate, the moving plate is fixedly installed on the rear wall surface of each movable plate, and a rubber frame is fixedly installed on the outside of each movable plate.

[0012] The utility model discloses the following advantages:

[0013] 1. The utility model discloses a nitrogen cabinet, which comprises a nitrogen cabinet, a strip-shaped rod, a cabinet door, an exhaust valve, an air inlet valve, a pressure gauge and a gas detector. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the internal schematic diagram of the nitrogen cabinet of the utility model;

[0016] Figure 3 It is the vertical board assembly schematic diagram of the utility model;

[0017] Figure 4 It is the horizontal board assembly schematic diagram of the utility model;

[0018] Figure 5 It is the partition board assembly schematic diagram of the utility model;

[0019] Reference signs: 1, nitrogen cabinet; 2, strip-shaped rod; 3, cabinet door; 4, exhaust valve; 5, air inlet valve; 6, pressure gauge; 7, gas detector; 8, vertical board assembly; 801, partition board; 802, air vent; 803, groove one; 804, groove two; 805, sealing plate; 806, round rod one; 9, horizontal board assembly; 901, partition board; 902, air vent; 903, groove three; 904, groove four; 905, filling plate; 906, round rod two; 907, filling rod; 10, drive assembly; 1001, block one; 1002, hydraulic rod; 1003, block two; 1004, rectangular plate; 11, partition board assembly; 1101, block three; 1102, electric telescopic rod; 1103, movable plate; 1104, moving plate; 1105, rubber frame. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships in which the product of the present application is usually placed, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as a limitation on the present application.

[0024] As Figures 1 to 5As shown, a nitrogen concentration controllable nitrogen cabinet includes a nitrogen cabinet 1, the nitrogen cabinet 1 is a rectangular box body with an internal hollow, the front wall of the nitrogen cabinet 1 is provided with a hollow, the front wall of the nitrogen cabinet 1 is fixedly installed with a plurality of longitudinally equidistantly distributed strip-shaped rods 2, two cabinet doors 3 are movably installed in the middle of each adjacent two strip-shaped rods 2, an exhaust valve 4 is fixedly installed on the top of the nitrogen cabinet 1, an air inlet valve 5 is fixedly installed on the top of the nitrogen cabinet 1, a pressure gauge 6 is fixedly installed on the top of the nitrogen cabinet 1, a gas detector 7 is fixedly installed on the top of the nitrogen cabinet 1, the inside of the nitrogen cabinet 1 is provided with a vertical plate assembly 8 with a gas permeable function, a plurality of groups of longitudinally equidistantly distributed horizontal plate assemblies 9 with a gas permeable function are arranged on both sides of the vertical plate assembly 8, a driving assembly 10 for adjusting the gas permeation effect of the vertical plate assembly 8 and the horizontal plate assembly 9 is arranged on the rear side of the nitrogen cabinet 1, a partition plate assembly 11 is arranged in each compartment composed of the vertical plate assembly 8 and the horizontal plate assembly 9 inside the nitrogen cabinet 1, it should be noted that first, the oxygen inside the nitrogen cabinet 1 is gradually exhausted through the exhaust valve 4, and nitrogen is input into the inside of the nitrogen cabinet 1 at the same time by using the air inlet valve 5, the pressure gauge 6 monitors the internal gas pressure of the nitrogen cabinet 1 in real time, and the gas detector 7 monitors the oxygen and nitrogen concentration inside the nitrogen cabinet 1 in real time, then the staff only needs to open the cabinet door 3, and then places the required objects on the upper surface of the corresponding horizontal plate assembly 9, in order to avoid a large amount of nitrogen loss inside the nitrogen cabinet 1, the driving assembly 10 is controlled before each time the cabinet door 3 is opened, the vertical plate assembly 8 and the horizontal plate assembly 9 are closed by the driving assembly 10, so that only the nitrogen in a single compartment will be lost during the taking and placing of objects, the driving assembly 10 is controlled after each time the cabinet door 3 is closed, the vertical plate assembly 8 and the horizontal plate assembly 9 are opened by the driving assembly 10, if the gas detector 7 monitors the oxygen and nitrogen content inside the nitrogen cabinet 1 in real time, the oxygen can be discharged or the nitrogen can be injected in time through the exhaust valve 4 and the air inlet valve 5, so as to ensure that the nitrogen content inside the nitrogen cabinet 1 is within the standard range, by adjusting each group of partition plate assemblies 11, the internal space of each compartment can be appropriately reduced according to the volume of the objects, further reducing the amount of nitrogen used.

[0025] The vertical plate assembly 8 comprises a partition plate 801, the inside of the nitrogen cabinet 1 is fixedly installed with the partition plate 801, the side wall surface of the partition plate 801 is provided with a plurality of longitudinal equidistant distribution air windows 802, the inside rear wall surface of each air window 802 is provided with a groove one 803, the inside front wall surface of each partition plate 801 is provided with a groove two 804, the inside of each groove one 803 is movably installed with a sealing plate 805, the rear wall surface of each sealing plate 805 is fixedly installed with a round rod one 806, the rear end of each round rod one 806 penetrates the partition plate 801 and the rear wall surface of the nitrogen cabinet 1, it should be noted that the front and rear movement of the round rod one 806 can drive the synchronous movement of the adjacent sealing plate 805, when the sealing plate 805 moves forward, the inside of the corresponding air window 802 is gradually filled, so as to play the effect of isolating gas, when the sealing plate 805 moves backward, it is gradually retracted to the inside of the corresponding groove one 803, so as to play the effect of air permeability.

[0026] The horizontal plate assembly 9 comprises a partition plate 901, the two sides of the partition plate 801 are fixedly installed with a plurality of longitudinal equidistant distribution partition plates 901, the top of each partition plate 901 is provided with an air hole 902, the inside rear wall surface of each air hole 902 is provided with a groove three 903, the inside front wall surface of each air hole 902 is provided with a groove four 904, the inside of each groove three 903 is movably installed with a filling plate 905, the inside of each partition plate 901 is fixedly installed with a plurality of transverse equidistant distribution filling rods 907, the rear wall surface of each filling plate 905 is fixedly installed with a round rod two 906, the rear end of each round rod two 906 penetrates the corresponding partition plate 901 and the rear wall surface of the nitrogen cabinet 1, it should be noted that the platform composed of the partition plate 901 and the filling rod 907 is placed with the goods, through the front and rear movement of the round rod two 906, the front and rear movement of the round rod two 906 can drive the synchronous movement of the adjacent filling plate 905, when the filling plate 905 moves forward, the inside of the corresponding air hole 902 is gradually filled, so as to play the effect of isolating gas, when the filling plate 905 moves backward, it is gradually retracted to the inside of the corresponding air hole 902, so as to play the effect of air permeability.

[0027] The driving assembly 10 comprises a block 1001, nitrogen cabinets 1 are fixedly installed on the left and right sides respectively, the side wall surface of each block 1001 is fixedly installed with a hydraulic rod 1002, the output end of each hydraulic rod 1002 is fixedly installed with a block 1003, the middle of the four blocks 1003 is fixedly installed with a rectangular plate 1004, the rear end of each round rod 806 is fixedly connected with the rectangular plate 1004, the rear end of each round rod 906 is fixedly connected with the rectangular plate 1004, it should be noted that by starting four groups of hydraulic rods 1002 to stretch out and shrink synchronously, each hydraulic rod 1002 drives the block 1003 connected with itself to move synchronously when stretching out and shrinking, the four blocks 1003 drive the rectangular plate 1004 to move forward and backward synchronously, and the rectangular plate 1004 drives each round rod 806 and each round rod 906 to move synchronously when moving forward and backward.

[0028] The partition assembly 11 comprises a block 1101, a plurality of vertically equidistantly distributed blocks 1101 are fixedly installed on the two sides of the partition plate 801, the side wall surface of each block 1101 is fixedly installed with an electric telescopic rod 1102, the output end of each electric telescopic rod 1102 is fixedly installed with a movable plate 1103, it should be noted that by starting the electric telescopic rod 1102, the electric telescopic rod 1102 can drive the corresponding movable plate 1103 to move forward and backward when stretching out and shrinking, the movable plate 1103 can reduce the hollow area inside each compartment when moving forward, and the movable plate 1103 can expand the area in each compartment when moving backward, which can be adjusted according to the actual size of the goods, so as to reduce the amount of nitrogen used.

[0029] The partition assembly 11 further comprises a moving plate 1104, the rear wall surface of each movable plate 1103 is fixedly installed with a moving plate 1104, and the outside of each movable plate 1103 is fixedly installed with a rubber frame 1105, which is made of elastic rubber material, it should be noted that the rubber frame 1105 can play a sealing effect to avoid nitrogen loss.

[0030] In summary: the oxygen inside the nitrogen cabinet 1 is gradually discharged through the exhaust valve 4, and at the same time, nitrogen is input into the inside of the nitrogen cabinet 1 by using the air inlet valve 5, the pressure gauge 6 monitors the internal pressure of the nitrogen cabinet 1 in real time, and the gas detector 7 monitors the oxygen and nitrogen concentration inside the nitrogen cabinet 1 in real time, then the staff only needs to open the cabinet door 3, and then place the required objects on the corresponding horizontal plate assembly 9 on the surface, in order to avoid the loss of a large amount of nitrogen in the nitrogen cabinet 1, the driving assembly 10 is controlled before each time the cabinet door 3 is opened, the vertical plate assembly 8 and the horizontal plate assembly 9 are closed by the driving assembly 10, so that only the nitrogen in a single compartment will be lost during the taking and placing of objects, and the driving assembly 10 is controlled after each time the cabinet door 3 is closed, the vertical plate assembly 8 and the horizontal plate assembly 9 are opened by the driving assembly 10, if the gas detector 7 monitors the oxygen and nitrogen content inside the nitrogen cabinet 1 in real time, the oxygen can be discharged or the nitrogen can be injected through the exhaust valve 4 and the air inlet valve 5 in time, so as to ensure that the nitrogen content inside the nitrogen cabinet 1 is within the standard range, by adjusting each group of partition plate assembly 11, the internal space of each compartment can be appropriately reduced according to the volume of the objects, and the amount of nitrogen used is further reduced.

[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A nitrogen gas cabinet of controllable nitrogen concentration, comprising a nitrogen gas cabinet (1), characterized in that, The nitrogen cabinet (1) is a rectangular box with an internal cavity, the front wall of the nitrogen cabinet (1) is provided with a plurality of longitudinally equidistant strip-shaped rods (2), two cabinet doors (3) are movably installed between each adjacent two strip-shaped rods (2), an exhaust valve (4) is fixedly installed on the top of the nitrogen cabinet (1), an air inlet valve (5) is fixedly installed on the top of the nitrogen cabinet (1), a pressure gauge (6) is fixedly installed on the top of the nitrogen cabinet (1), a gas detector (7) is fixedly installed on the top of the nitrogen cabinet (1), the inside of the nitrogen cabinet (1) is provided with a vertical plate assembly (8) with a ventilation function, a plurality of groups of longitudinally equidistant horizontal plate assemblies (9) with a ventilation function are arranged on the two sides of the vertical plate assembly (8), a driving assembly (10) for adjusting the ventilation effect of the vertical plate assembly (8) and the horizontal plate assembly (9) is arranged on the rear side of the nitrogen cabinet (1), and a partition plate assembly (11) is arranged in each compartment composed of the vertical plate assembly (8) and the horizontal plate assembly (9) in the nitrogen cabinet (1).

2. The nitrogen gas cabinet with controllable nitrogen concentration according to claim 1, characterized in that, The vertical plate assembly (8) comprises a partition plate (801), the inside of the nitrogen cabinet (1) is fixedly installed with the partition plate (801), a plurality of longitudinally equidistant ventilation windows (802) are formed in the side wall of the partition plate (801), a recess one (803) is formed in the inner rear wall of each ventilation window (802), a recess two (804) is formed in the inner front wall of each partition plate (801), a sealing plate (805) is movably installed in each recess one (803), a round rod one (806) is fixedly installed on the rear wall of each sealing plate (805), and the rear end of each round rod one (806) penetrates the partition plate (801) and the rear wall of the nitrogen cabinet (1).

3. The nitrogen gas cabinet with controllable nitrogen concentration according to claim 2, characterized in that, The horizontal plate assembly (9) comprises a partition plate (901), a plurality of longitudinally equidistant partition plates (901) are fixedly installed on the two sides of the partition plate (801), a ventilation opening (902) is formed in the top of each partition plate (901), a recess three (903) is formed in the inner rear wall of each ventilation opening (902), a recess four (904) is formed in the inner front wall of each ventilation opening (902), a filling plate (905) is movably installed in each recess three (903), a round rod two (906) is fixedly installed on the rear wall of each filling plate (905), and the rear end of each round rod two (906) penetrates the corresponding partition plate (901) and the rear wall of the nitrogen cabinet (1).

4. The nitrogen gas cabinet with controllable nitrogen concentration according to claim 3, characterized in that, The driving assembly (10) comprises a square block one (1001), nitrogen gas cabinets (1) are fixedly installed on the left and right sides respectively, the side wall surface of each square block one (1001) is fixedly installed with a hydraulic rod (1002), the output end of each hydraulic rod (1002) is fixedly installed with a square block two (1003), four square block two (1003) are fixedly installed with a rectangular plate (1004) in the middle, the rear end of each round rod one (806) is fixedly connected with the rectangular plate (1004), the rear end of each round rod two (906) is fixedly connected with the rectangular plate (1004).

5. The nitrogen gas cabinet with controllable nitrogen concentration according to claim 1, characterized in that, The partition plate assembly (11) comprises a square block three (1101), a plurality of square block threes (1101) are fixedly installed on the two sides of the partition plate (801) and are longitudinally and equidistantly distributed, the side wall surface of each square block three (1101) is fixedly installed with an electric telescopic rod (1102), the output end of each electric telescopic rod (1102) is fixedly installed with a movable plate (1103).

6. The nitrogen gas cabinet with controllable nitrogen concentration according to claim 5, characterized in that, The partition plate assembly (11) further comprises a moving plate (1104), the rear wall surface of each movable plate (1103) is fixedly installed with a moving plate (1104), the outside of each movable plate (1103) is fixedly installed with a rubber frame (1105), and the rubber frame (1105) is made of elastic rubber material.

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