Thermal insulation structure of closed gas sampler
By incorporating a vacuum chamber insulation component and inner and outer foam box structures within the gas-sealed sampler, the problem of poor insulation performance under high-temperature environments is solved, thereby improving the stability and applicability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QIDONG HENGSHENG INSTR CO LTD
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-10
AI Technical Summary
Existing gas-sealed samplers have poor heat insulation performance in high-temperature environments, which makes internal components and circuits prone to burnout and reduces their applicability.
The insulation structure employs a vacuum chamber within the insulation component, combined with inner and outer foam boxes and a cover plate design, to enhance the insulation effect and protect the internal components.
It improves the stability and applicability of the gas-sealed sampler in high-temperature environments, protects internal components from damage, and enhances buffering capacity.
Smart Images
Figure CN224111413U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to airtight gas sampler technical field, specifically a kind of temperature insulation structure of airtight gas sampler. BACKGROUND
[0002] Airtight gas sampler is used to collect gas sample in atmospheric environment or working environment, it is composed of two air pumps respectively independent gas path system;Two gas samples can be collected simultaneously or equilibrium sample is collected, sampling work is fast, reliable. It can be widely applied to metallurgy, mine, chemical industry, construction, casting, power and environmental monitoring, health and epidemic prevention department, the sampler has electronic timing function and rhythm compact, small size, stable and reliable performance and other advantages, it is more ideal product in domestic atmospheric sampler.
[0003] At present, the metal shell for protection is generally arranged outside airtight gas sampler, the heat insulation effect of the shell is poor, when airtight gas sampler is used in high temperature environment, the internal devices and circuit and chip of airtight gas sampler are affected, so that the devices and circuit and chip are prone to burnout when operating in high temperature environment;Further reduce the applicability of airtight gas sampler. UTILITY MODEL CONTENT
[0004] The utility model relates to airtight gas sampler technical field, specifically a kind of temperature insulation structure of airtight gas sampler.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of temperature insulation structure of airtight gas sampler, including shell and device body, the device body is arranged in the cavity in shell interior, the shell interior is provided with the outer foam box of top opening, the inner foam box of top opening is arranged in the outer foam box, the device body is located in the inner foam box, heat insulation component is arranged between the outer foam box and the inner foam box, first vacuum cavity is arranged in the heat insulation component, the shell outside is metal material, and the shell is bonded with the outer foam box, the outer foam box is bonded with the heat insulation component, and the heat insulation component is bonded with the inner foam box between.
[0006] Preferably, the heat insulation component includes bottom plate and side plate distributed on the inner wall of outer foam box four quarters, first vacuum cavity is arranged in the side plate and bottom plate, the front and rear side plate is located between left and right side plate respectively, and four side plates contact each other, and the bottom of side plate and the upper portion of bottom plate contact.
[0007] Preferably, the upper part of the shell is provided with a cover plate, the cover plate is matched with the box opening provided on the upper part of the shell, a mounting groove is formed in the bottom of the cover plate, two foam plates are mounted in the mounting groove, a heat insulation plate is arranged between the two foam plates, and a second vacuum cavity is arranged in the heat insulation plate.
[0008] Preferably, the upper part of the shell is fixedly connected with a frame-shaped plate, a frame-shaped groove is formed in the corresponding position of the frame-shaped plate relative to the cover plate, and a sealing ring is arranged on the inner wall of the frame-shaped groove.
[0009] Preferably, a through hole is formed in each of the four edges of the upper part of the cover plate, a threaded rod is inserted into the through hole, a threaded groove is formed in the corresponding position of the upper part of the shell relative to each through hole, the threaded rod is threadedly connected to the threaded groove cavity at the movable end of the threaded rod, and a nut is fixedly connected to the top end of the threaded rod.
[0010] Preferably, a U-shaped groove is formed in the upper part of the cover plate, and a hanging rod is rotatably connected to the inner wall of the U-shaped groove.
[0011] Preferably, the heat insulation assembly and the heat insulation plate are both aluminum foil barrier film vacuum insulation plates, and the outer foam box, the inner foam box and the foam plate are all made of polyurethane foam material.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The heat insulation assembly is arranged, the first vacuum cavity formed in the heat insulation assembly is used to reduce the heat transfer effect, thereby improving the heat insulation effect of the outside of the gas tight sampler, and improving the stability and applicability of the gas tight sampler in a high temperature environment.
[0014] 2. The inner foam box and the outer foam box are arranged, thereby further improving the heat insulation effect of the outside of the gas tight sampler, the inner foam box and the outer foam box play a buffering role, the influence of external impact or collision on the internal parts of the gas tight sampler can be effectively reduced, and the normal use and service life of the heat insulation assembly can be protected.
[0015] 3. The cover plate is arranged, thereby increasing the heat insulation effect of the inside of the gas tight sampler when the gas tight sampler is not used or stored and transported, and playing a comprehensive protection role. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole assembly perspective view of the temperature insulation structure of the gas tight sampler.
[0017] Figure 2 It is an unfolded perspective view of the temperature insulation structure of the gas tight sampler.
[0018] Figure 3 This is a three-dimensional cross-sectional view of the overall temperature insulation structure of a gas-sealed sampler according to the present invention.
[0019] Figure 4 This is a three-dimensional schematic diagram of the internal structure of the heat insulation structure of a gas sealed sampler according to the present invention.
[0020] Figure 5 This is a bottom-view perspective view of the cover plate of a gas-sealed sampler according to this utility model.
[0021] The following are the labeling elements in the diagram: 1. Shell; 2. Device body; 3. Outer foam box; 4. Inner foam box; 5. Insulation component; 501. Base plate; 502. Side plate; 6. Cover plate; 7. Foam board; 8. Insulation board; 9. Frame plate; 10. Frame groove; 11. Sealing ring; 12. Threaded rod; 13. Threaded groove; 14. Hanging rod. Detailed Implementation
[0022] 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.
[0023] Example: Figure 1 - Figure 5 As shown, this utility model provides a technical solution for the heat insulation structure of a gas sealed sampler, including a shell 1 and a device body 2. The device body 2 is disposed in the cavity inside the shell 1. An outer foam box 3 with a top opening is disposed inside the shell 1. An inner foam box 4 with a top opening is disposed inside the outer foam box 3. The device body 2 is located inside the inner foam box 4. A heat insulation component 5 is disposed between the outer foam box 3 and the inner foam box 4. A first vacuum chamber is disposed inside the heat insulation component 5. The outer shell 1 is made of metal. The shell 1 and the outer foam box 3, the outer foam box 3 and the heat insulation component 5, and the heat insulation component 5 and the inner foam box 4 are all bonded together with adhesive.
[0024] The adhesive is a special adhesive for foam, also known as solvent-free adhesive; the main body 2 of the device is a gas-sealed sampler;
[0025] The main body 2 of the device, through the coordinated use of the shell 1, inner foam box 4, outer foam box 3, heat insulation component 5, cover plate 6, foam board 7 and heat insulation board 8, solves the problem that the poor heat insulation effect of the shell of the existing gas sealed sampler leads to easy burn-out of the device, circuit and chip in the high temperature environment.
[0026] The first vacuum cavity in the thermal insulation assembly 5 is used to form a vacuum state, thereby improving the thermal insulation effect; vacuum insulation is a high-efficiency thermal insulation technology, which mainly reduces heat transfer by eliminating gas molecules. Block heat conduction and convection: in a vacuum, there are few gas molecules that cannot transfer heat through collisions (conduction) or form air currents (convection), thereby greatly reducing heat transfer; due to the vacuum setting, the thermal insulation assembly 5 is prone to damage, so the inner foam box 4 and the outer foam box 3 are arranged to increase the thermal insulation while protecting the thermal insulation assembly 5 and the device body 2.
[0027] As shown in Figure 3 , the thermal insulation assembly 5 includes a bottom plate 501 and side plates 502 distributed on the inner walls of the outer foam box 3, the side plates 502 and the bottom plate 501 are internally provided with first vacuum cavities, the front and rear side plates 502 are respectively located between the left and right side plates 502, and the four side plates 502 are in contact with each other, and the bottom of the side plate 502 is in contact with the upper part of the bottom plate 501.
[0028] As shown in Figure 3 and Figure 5 , the upper part of the shell 1 is provided with a cover plate 6, the cover plate 6 is matched with the box opening arranged on the upper part of the shell 1, the bottom of the cover plate 6 is provided with a mounting groove, and two foam plates 7 are mounted in the mounting groove; a thermal insulation plate 8 is arranged between the two foam plates 7, and a second vacuum cavity is arranged in the thermal insulation plate 8.
[0029] As shown in Figure 3 and Figure 5 , the upper part of the shell 1 is fixedly connected with a frame-shaped plate 9, the corresponding position of the frame-shaped plate 9 relative to the cover plate 6 is provided with a frame-shaped groove 10, and a sealing ring 11 is arranged on the inner wall of the frame-shaped groove 10.
[0030] As shown in Figure 1 - Figure 5 , the four edges of the upper part of the cover plate 6 are provided with penetrating perforations, threaded rods 12 are inserted into the perforations, threaded grooves 13 are arranged on the upper part of the shell 1 and correspond to the positions of each perforation, the movable ends of the threaded rods 12 are threadedly connected to the cavities of the threaded grooves 13, and nuts are fixedly connected to the top ends of the threaded rods 12.
[0031] After the cover plate 6 is closed, the threaded rods 12 are rotated, so that the movable ends of the threaded rods 12 are threadedly connected to the corresponding threaded grooves 13, thereby ensuring that the cover plate 6 is tightly attached to the upper part of the shell 1.
[0032] As shown in Figure 1 and Figure 2 , a U-shaped groove is arranged on the upper part of the cover plate 6, and a hanging rod 14 is rotatably connected to the inner wall of the U-shaped groove.
[0033] As shown in Figure 1 - Figure 5As shown, the thermal insulation assembly 5 and the thermal insulation plate 8 are both aluminum foil barrier film vacuum insulation panels, and the outer foam box 3, the inner foam box 4 and the foam plate 7 are all polyurethane foam materials.
[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A temperature insulation structure of a gas-tight sampler, comprising a casing (1) and a device body (2) arranged in a cavity inside the casing (1), characterized in that: The shell (1) is internally provided with a top-opened outer foam box (3), the inner foam box (4) is arranged in the outer foam box (3), the device body (2) is arranged in the inner foam box (4), the heat insulation assembly (5) is arranged between the outer foam box (3) and the inner foam box (4), and the first vacuum cavity is arranged in the heat insulation assembly (5).
2. The temperature insulation structure of a gas-tight sampler according to claim 1, characterized by: The heat insulation assembly (5) comprises a bottom plate (501) and a side plate (502) distributed on the inner wall of the outer foam box (3), and the first vacuum cavity is arranged in the side plate (502) and the bottom plate (501).
3. The temperature insulation structure of a gas-tight sampler according to claim 2, characterized in that: The upper portion of the shell (1) is provided with a cover plate (6), the cover plate (6) is matched with the box opening arranged on the upper portion of the shell (1), the bottom of the cover plate (6) is provided with a mounting groove, two foam plates (7) are arranged in the mounting groove, a heat insulation plate (8) is arranged between the two foam plates (7), and the second vacuum cavity is arranged in the heat insulation plate (8).
4. The temperature insulation structure of a gas-tight sampler according to claim 3, wherein: The upper portion of the shell (1) is fixedly connected with a frame-shaped plate (9), the corresponding position of the cover plate (6) relative to the frame-shaped plate (9) is provided with a frame-shaped groove (10), and the inner wall of the frame-shaped groove (10) is provided with a sealing ring (11).
5. The temperature insulation structure of a gas-tight sampler according to claim 4, wherein: The upper portion of the cover plate (6) is provided with four through perforations, a threaded rod (12) is inserted into each perforation, the upper portion of the shell (1) is provided with a threaded groove (13) at the corresponding position of each perforation, and the movable end of the threaded rod (12) is threadedly connected into the cavity of the threaded groove (13).
6. The temperature insulation structure of a gas-tight sampler according to claim 3, wherein: The upper portion of the cover plate (6) is provided with a U-shaped groove, and a hanging rod (14) is rotatably connected to the inner wall of the U-shaped groove.
7. The temperature insulation structure of a gas-tight sampler according to claim 6, characterized by: The heat insulation assembly (5) and the heat insulation plate (8) are aluminum foil barrier film vacuum insulation boards, and the outer foam box (3), the inner foam box (4) and the foam plate (7) are polyurethane foam materials.