Explosion-proof display instrument
By using a heat dissipation design that combines a rectangular explosion-proof frame, a blower, and an exhaust fan in the explosion-proof display instrument, the problem of the heat dissipation vent becoming a channel for gas and dust to penetrate is solved, the explosion-proof effect and heat dissipation performance are improved, and maintenance and inspection are facilitated.
Patent Information
- Application Number
- CN202422578555.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-24
AI Technical Summary
The heat dissipation vents of explosion-proof display instruments may become channels for gas and dust to penetrate, affecting the explosion-proof effect.
The display instrument body is built into a rectangular explosion-proof frame, combined with a blower and an exhaust fan. Heat is dissipated through the heat dissipation fins on the outer wall of the rectangular explosion-proof frame, and a filter component is set at the air inlet to filter the air to ensure smooth air circulation.
It improves the explosion-proof effect and heat dissipation performance of the explosion-proof display instrument, facilitates maintenance and inspection, enhances the heat dissipation effect of the heat dissipation fins, and prevents air accumulation in corners.
Smart Images

Figure CN223379410U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of display instruments, and in particular to an explosion-proof display instrument. Background Art
[0002] Display instruments are devices used to monitor and display various physical quantities in real time. They are widely used in industrial automation, instrumentation, laboratories, and production lines. Among these instruments, there are explosion-proof types designed specifically for use in flammable and explosive environments. These instruments are designed to ensure safety and provide accurate monitoring and display capabilities. These instruments typically feature explosion-proof casings that can withstand external impact and high temperatures to prevent internal electrical components from exploding or causing fire.
[0003] In the relevant technology, the main features of explosion-proof display instruments include dustproof, moisture-proof, corrosion-resistant, etc., and they can operate stably for a long time in harsh environments. However, since the explosion-proof display instrument may emit heat inside after a long period of use, some explosion-proof display instruments will have heat dissipation vents on the outer casing. The heat dissipation vents can facilitate the mutual circulation of air between the inside and outside of the explosion-proof display instrument, which can play a certain heat dissipation role. However, the heat dissipation vents may become channels for the infiltration of gas, dust, etc., which may affect the explosion-proof effect of the instrument.
[0004] Therefore, those skilled in the art provide an explosion-proof display instrument to solve the problems raised in the above background technology. Utility Model Content
[0005] In order to solve the problem raised in the above background technology that the heat dissipation vents may become channels for the infiltration of gas, dust, etc., thereby possibly affecting the explosion-proof effect of the instrument, the present application provides an explosion-proof display instrument.
[0006] The explosion-proof display instrument provided in this application adopts the following technical solution:
[0007] A explosion-proof display instrument comprises an explosion-proof shell, wherein a display instrument body, a hair dryer and an exhaust fan are placed inside the explosion-proof shell, wherein the side of the hair dryer away from the exhaust fan is fixedly connected to one side of the inner wall of the explosion-proof shell, and the side of the exhaust fan away from the hair dryer is fixedly connected to the other side of the inner wall of the explosion-proof shell, so as to control the circulation of air in the explosion-proof shell, a rectangular explosion-proof frame is fixedly arranged on the inner wall of the explosion-proof shell and is located between the hair dryer and the exhaust fan, the display instrument body is located inside the rectangular explosion-proof frame, and a plurality of heat dissipation fins are evenly fixedly connected to the upper surface and both sides of the outer wall of the rectangular explosion-proof frame, and the heat dissipation fins are arranged at an angle.
[0008] By adopting the above technical solution, the display instrument body is located inside the rectangular explosion-proof frame. The rectangular explosion-proof frame can improve the protection of the display instrument body. Starting the hair dryer and the exhaust fan can control the external air to enter between the inner wall of the explosion-proof shell and the outer wall of the rectangular explosion-proof frame, and the multiple heat dissipation fins evenly installed on the outer wall of the rectangular explosion-proof frame can be cooled. Therefore, this application not only ensures the explosion-proof effect, but also improves the heat dissipation performance.
[0009] Preferably, the explosion-proof shell includes a rectangular shell, one side of the rectangular shell is provided with an inspection port that passes through the rectangular shell, the inspection port is connected to the interior of the rectangular explosion-proof frame, one side of the rectangular shell is movably connected with an explosion-proof door, the lower surface of the rectangular shell is provided with an air inlet and an air outlet that pass through the rectangular shell, the air inlet is located below the hair dryer, and the air outlet is located below the exhaust fan.
[0010] By adopting the above technical solution, after the explosion-proof door is opened, the operator can inspect or adjust the display instrument body through the inspection port. When the hair dryer and exhaust fan are started, air can be introduced into the rectangular shell through the air inlet and exhausted to the outside of the rectangular shell through the air exhaust port.
[0011] Preferably, a viewing port is provided on the explosion-proof door and passes through the explosion-proof door, and explosion-proof glass is provided inside the viewing port.
[0012] By adopting the above technical solution, personnel can check the usage status of the display instrument body through the explosion-proof glass installed inside the viewing port.
[0013] Preferably, a plurality of rectangular air guide plates are evenly fixedly connected to the top of the inner wall and both sides of the inner wall of the rectangular shell, and the rectangular air guide plates are arranged at an angle, and the end of each rectangular air guide plate away from the rectangular shell is spaced apart from the end of each heat dissipating fin away from the display instrument body.
[0014] By adopting the above technical solution, the plurality of rectangular air guide plates can guide the air passing through the inside of the heat dissipation air duct to each heat dissipation fin spaced therefrom, thereby enhancing the heat dissipation effect on the heat dissipation fins.
[0015] Preferably, arc-shaped air guide plates are fixedly connected to the top of the inner wall of the rectangular shell and the corners between the two sides of the inner wall.
[0016] By adopting the above technical solution, the arc-shaped air guide plate can guide the air flow at the corners of the rectangular shell to prevent air from accumulating at the corners.
[0017] Preferably, a storage slot connected to the air inlet is provided at the bottom of the rectangular shell, and a filter assembly is provided inside the storage slot.
[0018] By adopting the above technical solution, the filter assembly can perform a certain filtering process on the air passing through the air inlet.
[0019] Preferably, the filter assembly includes a mounting frame located inside the storage slot, the inner wall of the mounting frame is fixedly connected to a filter screen, and the lower surface of the mounting frame away from the exhaust port is fixedly connected to a pull strip.
[0020] By adopting the above technical solution, the installation frame can limit the installation position of the filter, and the filter can filter some particles and other foreign matter in the circulating air to a certain extent. People can install or remove the filter assembly by moving the pull strip.
[0021] In summary, this application has the following beneficial technical effects:
[0022] 1. The explosion-proof display instrument is provided with an explosion-proof shell that can limit the installation position of the rectangular explosion-proof frame, the blower and the exhaust fan. The display instrument body is located inside the rectangular explosion-proof frame. The rectangular explosion-proof frame can improve the protection of the display instrument body. Multiple heat dissipation fins are evenly installed on the outer wall of the rectangular explosion-proof frame. When the display instrument body is heated, the multiple heat dissipation fins can conduct heat to the rectangular explosion-proof frame. Starting the blower and the exhaust fan can control the external air to enter between the inner wall of the explosion-proof shell and the outer wall of the rectangular explosion-proof frame, so that the multiple heat dissipation fins can be cooled. Therefore, this application not only ensures the explosion-proof effect, but also improves the heat dissipation performance.
[0023] 2. After the explosion-proof door of the explosion-proof display instrument is opened, the operator can inspect or adjust the display instrument body through the inspection port. When the blower and exhaust fan are started, air can be introduced into the rectangular housing through the air inlet and exhausted to the outside of the rectangular housing through the air outlet. The operator can check the use of the display instrument body through the explosion-proof glass installed inside the inspection port. The air passing through the heat dissipation duct can be guided to each heat dissipation fin spaced apart therefrom by multiple rectangular air guide plates, thereby enhancing the heat dissipation effect of the heat dissipation fins.
[0024] 3. The explosion-proof display instrument is equipped with an arc-shaped air guide plate that can guide the air flow at the corners of the rectangular shell to prevent air accumulation at the corners. The installation frame can limit the installation position of the filter. The filter can filter the air passing through the air inlet to a certain extent. Personnel can install or remove the filter assembly by moving the pull-out strip, which makes it easier for personnel to clean or replace the filter assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a schematic diagram of the overall structure of an explosion-proof display instrument in an embodiment of the present application;
[0026] Figure 2 This is a schematic cross-sectional view of an explosion-proof display instrument according to an embodiment of the present application;
[0027] Figure 3 This is an explosion-proof display instrument in the embodiment of the present application Figure 2 A schematic diagram of the structure enlargement at point A;
[0028] Figure 4 This is a schematic diagram of the structure of a filter component of an explosion-proof display instrument in an embodiment of the present application.
[0029] Explanation of the accompanying symbols: 1. Explosion-proof shell; 101. Rectangular shell; 102. Inspection port; 103. Explosion-proof door; 104. Air inlet; 105. Air exhaust; 2. Display instrument body; 3. Hair dryer; 4. Exhaust fan; 5. Rectangular explosion-proof frame; 6. Heat dissipation fins; 7. Rectangular air guide plate; 8. Arc-shaped air guide plate; 9. Storage slot; 10. Filter assembly; 1001. Installation frame; 1002. Filter screen; 1003. Pull-out strip; 11. Inspection port; 12. Explosion-proof glass. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1-4 This application is described in further detail.
[0031] The embodiment of the present application discloses an explosion-proof display instrument. Figure 1 、 Figure 2 and Figure 3 , an explosion-proof display instrument, including an explosion-proof shell 1, inside which are placed a display instrument body 2, a blower 3 and an exhaust fan 4, wherein the side of the blower 3 away from the exhaust fan 4 is fixedly connected to one side of the inner wall of the explosion-proof shell 1, and the side of the exhaust fan 4 away from the blower 3 is fixedly connected to the other side of the inner wall of the explosion-proof shell 1, for controlling the air circulation in the explosion-proof shell 1, a rectangular explosion-proof frame 5 is fixedly arranged on the inner wall of the explosion-proof shell 1, and is located between the blower 3 and the exhaust fan 4, the display instrument body 2 is located inside the rectangular explosion-proof frame 5, and a plurality of heat dissipation fins 6 are evenly fixedly connected to the upper surface and both sides of the outer wall of the rectangular explosion-proof frame 5, and the heat dissipation fins 6 are inclined.
[0032] In this embodiment, the explosion-proof shell 1 provided in the explosion-proof display instrument can limit the installation position of the rectangular explosion-proof frame 5, the hair dryer 3 and the exhaust fan 4. The display instrument body 2 is located inside the rectangular explosion-proof frame 5. The explosion-proof shell 1 and the rectangular explosion-proof frame 5 can both be made of high-temperature resistant and corrosion-resistant materials, such as aluminum alloy or stainless steel, so as to ensure the protection of the external environment and the safety of the internal display instrument body 2. A heat dissipation duct is formed between the inner wall of the explosion-proof shell 1 and the outer wall of the rectangular explosion-proof frame 5. The plurality of heat dissipation fins 6 are evenly distributed inside the heat dissipation duct. The heat dissipation fins 6 can be made of materials with good thermal conductivity such as aluminum alloy or copper to promote the display instrument. The heat dissipation of the main body 2 can control the external air to enter the heat dissipation duct when the hair dryer 3 and the exhaust fan 4 are enabled, so that the multiple heat dissipation fins 6 can be cooled, and the multiple heat dissipation fins 6 are all inclined to ensure the smooth circulation of air in the heat dissipation duct to improve the heat dissipation efficiency. The present application can improve the protection of the display instrument main body 2 through the rectangular explosion-proof frame 5 to prevent the infiltration of gas, dust, etc. At the same time, the hair dryer 3, the exhaust fan 4 and the multiple heat dissipation fins 6 can cooperate to dissipate heat for the display instrument main body 2, so that the present application not only ensures the explosion-proof effect, but also improves the heat dissipation performance, which can make the present application more conducive to practical use.
[0033] In a further preferred embodiment of the present invention, Figure 1 、 Figure 2 and Figure 3 As shown, the explosion-proof shell 1 includes a rectangular shell 101, and an inspection port 102 is provided on one side of the rectangular shell 101, which passes through the rectangular shell 101. The inspection port 102 is connected to the interior of the rectangular explosion-proof frame 5, and an explosion-proof door 103 is movably connected to one side of the rectangular shell 101. The lower surface of the rectangular shell 101 is provided with an air inlet 104 and an air outlet 105 that pass through the rectangular shell 101. The air inlet 104 is located below the hair dryer 3, and the air outlet 105 is located below the exhaust fan 4.
[0034] In this embodiment, the explosion-proof door 103 can be opened and closed as needed. After the explosion-proof door 103 is opened, the operator can inspect or adjust the display instrument body 2 through the inspection port 102. When the hair dryer 3 and the exhaust fan 4 are started, air can be introduced into the rectangular shell 101 through the air inlet 104, and air can be exhausted to the outside of the rectangular shell 101 through the air outlet 105.
[0035] In a further preferred embodiment of the present invention, Figure 1 As shown, the explosion-proof door 103 is provided with a viewing port 11 passing through the explosion-proof door 103 , and explosion-proof glass 12 is provided inside the viewing port 11 .
[0036] In this embodiment, the operator can view the usage status of the display instrument main body 2 through the explosion-proof glass 12 installed inside the viewing port 11 .
[0037] In a further preferred embodiment of the present invention, Figure 2 As shown, a plurality of rectangular air guide plates 7 are evenly fixedly connected to the top of the inner wall and both sides of the inner wall of the rectangular shell 101. The rectangular air guide plates 7 are arranged at an angle, and the end of each rectangular air guide plate 7 away from the rectangular shell 101 is spaced apart from the end of each heat dissipation fin 6 away from the display instrument body 2.
[0038] In this embodiment, the plurality of rectangular air guide plates 7 can guide the air passing through the heat dissipation duct to each heat dissipation fin 6 spaced apart therefrom, thereby enhancing the heat dissipation effect on the heat dissipation fin 6 .
[0039] In a further preferred embodiment of the present invention, Figure 2 As shown, arc-shaped air guide plates 8 are fixedly connected to the top of the inner wall of the rectangular shell 101 and the corners between the two sides of the inner wall.
[0040] In this embodiment, the arc-shaped air guide plate 8 can guide the air flow at the corners of the rectangular housing 101 to prevent air from accumulating at the corners, thereby enhancing the air circulation effect and improving the heat dissipation efficiency.
[0041] In a further preferred embodiment of the present invention, Figure 1 、 Figure 2 and Figure 3 As shown, a storage slot 9 communicating with the air inlet 104 is provided at the bottom of the rectangular housing 101 , and a filter assembly 10 is provided inside the storage slot 9 .
[0042] In this embodiment, the opening of the storage slot 9 can limit the installation position of the filter assembly 10, and the filter assembly 10 can filter the air passing through the air inlet 104 to prevent foreign matter such as particles from entering the rectangular shell 101.
[0043] In a further preferred embodiment of the present invention, Figure 2 、 Figure 3 and Figure 4 As shown, the filter assembly 10 includes an installation frame 1001 located inside the storage slot 9, the inner wall of the installation frame 1001 is fixedly connected to a filter screen 1002, and the lower surface of the installation frame 1001 away from the exhaust port 105 is fixedly connected to a pull strip 1003.
[0044] In this embodiment, the installation position of the filter 1002 can be limited by the installation frame 1001, and some particles and other foreign matter in the air can be circulated through the filter 1002 for certain filtering treatment. The operator can install or disassemble the filter component 10 by moving the pull-out strip 1003, thereby facilitating the cleaning or replacement of the filter component 10.
[0045] The implementation principle of an explosion-proof display instrument in the embodiment of the present application is:
[0046] When in use, the rectangular explosion-proof frame 5 is installed in the explosion-proof shell 1, so that the display instrument body 2 is located inside the rectangular explosion-proof frame 5. The rectangular explosion-proof frame 5 set up can improve the protection of the display instrument body 2 to prevent the infiltration of gas, dust, etc., and the hair dryer 3 and the exhaust fan 4 are installed in the heat dissipation duct between the inner wall of the explosion-proof shell 1 and the outer wall of the rectangular explosion-proof frame 5. Starting the hair dryer 3 and the exhaust fan 4 can control the external air to enter the heat dissipation duct, and the multiple heat dissipation fins 6 evenly installed on the outer wall of the rectangular explosion-proof frame 5 can be cooled. The present application can improve the protection of the display instrument body 2 through the rectangular explosion-proof frame 5, and at the same time, the hair dryer 3, the exhaust fan 4 and the multiple heat dissipation fins 6 cooperate to dissipate heat for the display instrument body 2, so that the present application not only ensures the explosion-proof effect, but also improves the heat dissipation performance, which can make the present application more conducive to practical use.
[0047] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. An explosion-proof display instrument, comprising an explosion-proof housing (1), characterized in that: A display instrument body (2) is placed inside the explosion-proof shell (1); A hair dryer (3) and an exhaust fan (4), wherein a side of the hair dryer (3) away from the exhaust fan (4) is fixedly connected to one side of the inner wall of the explosion-proof shell (1), and a side of the exhaust fan (4) away from the hair dryer (3) is fixedly connected to the other side of the inner wall of the explosion-proof shell (1), for controlling the circulation of air in the explosion-proof shell (1); and A rectangular explosion-proof frame (5) is fixedly arranged on the inner wall of the explosion-proof shell (1) and is located between the hair dryer (3) and the exhaust fan (4); the display instrument body (2) is located inside the rectangular explosion-proof frame (5); a plurality of heat dissipation fins (6) are evenly fixedly connected to the upper surface and both sides of the outer wall of the rectangular explosion-proof frame (5); and the heat dissipation fins (6) are arranged obliquely.
2. The explosion-proof display instrument according to claim 1, characterized in that: The explosion-proof shell (1) comprises a rectangular shell (101), one side of the rectangular shell (101) is provided with an inspection port (102) which passes through the rectangular shell (101), the inspection port (102) is connected to the interior of the rectangular explosion-proof frame (5), one side of the rectangular shell (101) is movably connected with an explosion-proof door (103), the lower surface of the rectangular shell (101) is provided with an air inlet (104) and an air outlet (105) which pass through the rectangular shell (101), the air inlet (104) is located below the hair dryer (3), and the air outlet (105) is located below the exhaust fan (4).
3. The explosion-proof display instrument according to claim 2, characterized in that: The explosion-proof door (103) is provided with a viewing port (11) passing through the explosion-proof door (103), and explosion-proof glass (12) is provided inside the viewing port (11).
4. The explosion-proof display instrument according to claim 2, characterized in that: A plurality of rectangular air guide plates (7) are evenly and fixedly connected to the top of the inner wall and both sides of the inner wall of the rectangular shell (101); the rectangular air guide plates (7) are arranged obliquely; and one end of each rectangular air guide plate (7) away from the rectangular shell (101) is spaced apart from one end of each heat dissipating fin (6) away from the display instrument body (2).
5. The explosion-proof display instrument according to claim 2, characterized in that: Arc-shaped air guide plates (8) are fixedly connected to the top of the inner wall of the rectangular shell (101) and the corners between the two sides of the inner wall.
6. The explosion-proof display instrument according to claim 2, characterized in that: The bottom of the rectangular shell (101) is provided with a storage groove (9) connected to the air inlet (104), and a filter assembly (10) is provided inside the storage groove (9).
7. The explosion-proof display instrument according to claim 6, characterized in that: The filter assembly (10) comprises an installation frame (1001) located inside the storage slot (9); a filter screen (1002) is fixedly connected to the inner wall of the installation frame (1001); and a pull-out strip (1003) is fixedly connected to the lower surface of the installation frame (1001) on a side away from the air outlet (105).