5G explosion-proof PDA

Abstract

The application relates to the field of petrochemical industry PDAs, in particular to a 5G explosion-proof PDA which comprises a shell, a heat-conducting plate and a body, the shell comprises an upper shell and a lower shell, the upper shell is detachably connected to the lower shell, the upper shell and the lower shell enclose a containing cavity, the heat-conducting plate is fixedly connected to the inner wall of the containing cavity, the body is embedded in the containing cavity, and the outer wall of the body abuts against the heat-conducting plate. The upper shell and the lower shell are detachable, the body is sealed in the shell when entering a risk area, explosion is prevented, the shell is removed when being in a safe area, the overall weight of the equipment is reduced, the operator is facilitated to use, heat is generated in the process of using the body, the heat-conducting plate conducts the heat outward, and the heat dissipation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of petrochemical industry PDA, and particularly to a 5G explosion-proof PDA. BACKGROUND

[0002] The explosion-proof PDA (explosion-proof handheld terminal) is an industrial-grade mobile device specially designed for safe use in flammable, explosive and other dangerous environments. It is widely used in high-risk industries such as petroleum, chemical industry, natural gas, mining, military industry, etc., for data collection, inspection, warehouse management and other operations.

[0003] Although the current explosion-proof PDA has been optimized in safety, durability and functionality, there are still some technical limitations and use defects. Due to the reinforced shell (metal + rubber) and explosion-proof structure, the device thickness and weight are increased, which is easy to fatigue for long-time handheld, and the device is large in size and inconvenient to carry. SUMMARY

[0004] In order to facilitate use, the present application provides a 5G explosion-proof PDA.

[0005] The 5G explosion-proof PDA provided by the present application adopts the following technical scheme:

[0006] A 5G explosion-proof PDA, comprising a shell, a heat conduction plate and a body, the shell comprising an upper shell and a lower shell, the upper shell being detachably connected to the lower shell, the upper shell and the lower shell enclosing a receiving cavity, the heat conduction plate being fixedly connected to the inner wall of the receiving cavity, the body being embedded in the receiving cavity, and the outer wall of the body abutting against the heat conduction plate.

[0007] By adopting the above technical scheme, the upper shell and the lower shell are detachable. When entering the risk area, the body is sealed in the shell to prevent explosion. When in the safe area, the shell is removed to reduce the overall weight of the device and facilitate the use of the operator. The body generates heat during use. The heat conduction plate conducts heat outward to improve the heat dissipation efficiency.

[0008] Preferably, a heat sink is further included, which is arranged on the side of the heat conduction plate away from the body, and is fixedly connected to the heat conduction plate. The side of the heat sink facing the heat conduction plate is provided with a flow channel, and the flow channel is provided with a paraffin-based phase change material.

[0009] By adopting the above technical scheme, the heat conduction plate quickly conducts the heat of the body to the paraffin-based phase change material, which is liquefied after quickly absorbing heat, preventing the heat conduction plate from being too high in temperature. The heat sink dissipates heat from the paraffin-based phase change material to improve the heat dissipation efficiency.

[0010] Preferably, the shell is provided with an air outlet, the air outlet is communicated with the flow channel, the sliding block is slidingly connected to the inner wall of the flow channel, and the paraffin-based phase change material and the air outlet are arranged on two sides of the sliding block respectively.

[0011] By adopting the technical scheme, the paraffin-based phase change material expands after absorbing heat and pushes the sliding block to move, so that the air outlet discharges air; when the paraffin-based phase change material solidifies after cooling, the volume is reduced, and the air pressure difference pushes the sliding block to move, so that the air outlet inhales air, and the shell is air-cooled and radiated.

[0012] Preferably, the shell is provided with an air outlet, the air outlet is communicated with the flow channel, the sliding block is slidingly connected to the inner wall of the flow channel, and the paraffin-based phase change material and the air outlet are arranged on two sides of the sliding block respectively.

[0013] By adopting the technical scheme, the metal sintered filter screen can isolate external explosive gas and reduce the probability of gas entering the flow channel, thereby improving safety.

[0014] Preferably, the shell is provided with an air outlet, the air outlet is communicated with the flow channel, the sliding block is slidingly connected to the inner wall of the flow channel, and the paraffin-based phase change material and the air outlet are arranged on two sides of the sliding block respectively.

[0015] By adopting the technical scheme, when the operator uses the explosion-proof PDA, the explosion-proof PDA shakes, the fan rotates, the driving column rotates while driving the fan blade to rotate synchronously, the shell radiating plate is cooled, and the cooling efficiency is improved.

[0016] Preferably, the shell is provided with an air outlet, the air outlet is communicated with the flow channel, the sliding block is slidingly connected to the inner wall of the flow channel, and the paraffin-based phase change material and the air outlet are arranged on two sides of the sliding block respectively.

[0017] By adopting the technical scheme, when the sliding block moves, the gas flowing through the impeller pushes the fan to rotate, and the cooling efficiency is improved.

[0018] Preferably, the shell is provided with an air outlet, the air outlet is communicated with the flow channel, the sliding block is slidingly connected to the inner wall of the flow channel, and the paraffin-based phase change material and the air outlet are arranged on two sides of the sliding block respectively.

[0019] By adopting the technical scheme, when the temperature in a certain place rises, the paraffin-based phase change material liquefies, the gas flowing through the impeller pushes the fan to rotate, and the fan is close to the paraffin-based phase change material, so that the corresponding cooling is facilitated, and the cooling efficiency is improved.

[0020] Preferably, the flow channels are provided in plurality, and the plurality of flow channels are uniformly spaced along the width direction of the shell, and the paraffin-based phase change materials in adjacent flow channels are respectively close to the two ends of the shell in the length direction.

[0021] By adopting the technical scheme, the heating area of the shell can be targetedly cooled, and the cooling efficiency is improved.

[0022] Preferably, the outer wall of the shell is fixedly connected with heat dissipation fins, and the heat dissipation fins are provided in plurality.

[0023] By adopting the technical scheme, the heat dissipation fins improve the friction between the shell and the hands of the operator, facilitate the use of the operator, and improve the heat dissipation surface area and the heat dissipation efficiency.

[0024] Preferably, the shell further comprises a rubber sealing ring, one end of the lower shell towards the upper shell is fixedly connected with a limiting strip, one end of the upper shell towards the lower shell is provided with a limiting groove, the limiting groove is used for embedding the limiting strip, the rubber sealing ring is sleeved on the outer periphery of the limiting strip, the rubber sealing ring is used for abutting against the upper shell, and the outer wall of the limiting strip is fixedly connected with a clamping block, and the groove wall of the limiting groove is provided with a clamping groove, and the clamping groove is used for embedding the clamping block.

[0025] By adopting the technical scheme, the shell can be conveniently disassembled and assembled, the installation efficiency is improved, and the user can use conveniently.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. The upper shell and the lower shell are detachable, the body seal is arranged in the shell when entering the risk area, explosion is prevented, the shell is removed when in the safe area, the overall weight of the equipment is reduced, the operator can use conveniently, heat is generated in the process of use of the body, the heat is conducted outward by the heat conduction plate, and the heat dissipation efficiency is improved.

[0028] 2. The paraffin-based phase change material is liquefied and expanded after absorbing heat, the sliding block is driven to move, air is discharged from the air outlet, the paraffin-based phase change material is solidified after cooling, the volume is reduced, the air pressure difference drives the sliding block to move, air is introduced into the air outlet, and air cooling of the shell is realized.

[0029] 3. When the sliding block moves, the gas flowing through the impeller drives the fan to rotate, and the heat dissipation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a whole structure schematic view of a 5G explosion-proof PDA.

[0031] Figure 2 It is a sectional view of a 5G explosion-proof PDA.

[0032] Figure 3 is Figure 2 is an enlarged view of A in FIG. 1.

[0033] Figure 4 is a schematic view of the overall structure of a 5G explosion-proof PDA.

[0034] Figure 5 is a schematic view of the overall structure of the lower shell and the heat dissipation assembly.

[0035] BRIEF DESCRIPTION OF REFERENCE NUMERALS: 1, shell; 11, upper shell; 111, mounting groove; 112, limiting groove; 113, clamping groove; 114, screen opening; 12, lower shell; 121, placement groove; 122, limiting strip; 123, clamping block; 124, camera opening; 125, avoiding groove; 126, avoiding opening; 127, air outlet; 128, heat dissipation groove; 129, heat dissipation fin; 13, rubber sealing ring; 14, magnetic ring; 15, explosion-proof glass panel; 16, cover plate; 17, magnet; 18, silica gel sealing ring; 19, containing cavity; 2, body; 21, shell; 22, screen; 23, camera; 24, mainboard; 25, battery; 26, data acquisition module; 27, interface; 3, heat dissipation assembly; 31, heat dissipation plate; 311, flow channel; 3111, first channel; 3112, second channel; 32, heat conduction plate; 33, paraffin-based phase change material; 34, metal sintered filter screen; 35, sliding block; 36, fan; 361, driving column; 362, fan blade; 37, impeller. DETAILED DESCRIPTION

[0036] The following description will be made in conjunction with the accompanying Figures 1-5 The present application is further described in detail.

[0037] The present application discloses a 5G explosion-proof PDA. Referring to Figure 1 and Figure 2 A 5G explosion-proof PDA includes a shell 1, a body 2, and a heat dissipation assembly 3.

[0038] Referring to Figure 2 The shell 1 includes an upper shell 11, a lower shell 12, a rubber sealing ring 13, a magnetic ring 14, an explosion-proof glass panel 15, a cover plate 16, a magnet 17, and a silica gel sealing ring 18. The upper shell 11 is detachably connected to the lower shell 12. One end of the upper shell 11 facing the lower shell 12 is provided with a mounting groove 111. One end of the lower shell 12 facing the upper shell 11 is provided with a placement groove 121. The groove wall of the mounting groove 111 and the groove wall of the placement groove 121 are smoothly transitioned. The upper shell 11 and the lower shell 12 enclose a containing cavity 19.

[0039] Referring to Figure 2 and Figure 3The one end of the lower shell 12 towards the upper shell 11 is fixedly connected with a limiting strip 122, the limiting strip 122 extends along the groove wall of the placing groove 121, the one end of the upper shell 11 towards the lower shell 12 is provided with a limiting groove 112, the limiting groove 112 is arranged on the outer periphery of the mounting groove 111, the limiting groove 112 is used for embedding the limiting strip 122, the rubber sealing ring 13 is sleeved on the outer periphery of the limiting strip 122, the rubber sealing ring 13 is used for abutting against the one end of the upper shell 11 towards the lower shell 12, the outer wall of the limiting strip 122 is fixedly connected with a clamping block 123, the limiting groove 112 towards the groove wall of the placing groove 121 is provided with a clamping groove 113, the clamping groove 113 is used for embedding the clamping block 123. The magnetic ring 14 is arranged on the outer periphery of the limiting strip 122, the magnetic ring 14 is arranged on the side of the rubber sealing ring 13 away from the upper shell 11, the magnetic ring 14 is fixedly connected to the lower shell 12, and the upper shell 11 and the lower shell 12 are both arranged as metal shells.

[0040] With reference to Figure 1 and Figure 4 , the one end of the upper shell 11 away from the lower shell 12 is provided with a screen port 114, the one end of the lower shell 12 away from the upper shell 11 is provided with a camera port 124, and the explosion-proof glass panel 15 is used for covering the screen port 114 and the camera port 124.

[0041] With reference to Figure 1 and Figure 2 , the explosion-proof glass panel 15 is provided with a plurality of explosion-proof glass panels 15, and the explosion-proof glass panel 15 is fixedly connected to the groove bottom of the mounting groove 111 and the groove bottom of the placing groove 121 through the explosion-proof sealing glue.

[0042] With reference to Figure 2 and Figure 4 , the body 2 comprises a shell 21, a screen 22, a camera 23, a mainboard 24, a battery 25, a data acquisition module 26 and an interface 27, the screen 22 and the camera 23 are fixedly connected to the two ends of the shell 21 respectively, the mainboard 24 and the battery 25 are both fixedly connected in the shell 21, the mainboard 24 is arranged on the side of the battery 25 close to the screen 22, the data acquisition module 26 and the interface 27 are respectively close to the two ends of the mainboard 24, the data acquisition module 26 is arranged close to the camera 23, and the interface 27 is fixedly connected to the one end of the shell 21 away from the data acquisition module 26. The screen 22, the camera 23 and the data acquisition module 26 are all electrically connected to the mainboard 24, the mainboard 24 is electrically connected to the battery 25, and the interface 27 is electrically connected to the battery 25. The mainboard 24 comprises an explosion-proof chip and an intrinsically safe circuit board.

[0043] With reference to Figure 2The one end of the lower shell 12 is provided with an avoiding groove 125, the groove bottom of the avoiding groove 125 is provided with an avoiding opening 126, the avoiding opening 126 is arranged opposite to the interface 27, the cover plate 16 is hinged to the groove bottom of the avoiding groove 125 through a torsion spring, the hinge axis of the cover plate 16 is parallel to the screen 22, the avoiding groove 125 is used for embedding the cover plate 16, the magnet 17 is fixedly connected to the cover plate 16, the silica gel sealing ring 18 is fixedly connected to the groove bottom of the avoiding groove 125, the silica gel sealing ring 18 is arranged on the outer periphery of the avoiding opening 126, and the silica gel sealing ring 18 is used for abutting against the cover plate 16.

[0044] With reference to Figure 2 and Figure 5 , the heat dissipation assembly 3 comprises a heat dissipation plate 31, a heat conduction plate 32, a paraffin-based phase change material 33, a metal sintered filter screen 34, a sliding block 35, a fan 36 and an impeller 37.

[0045] With reference to Figure 2 and Figure 4 , the heat dissipation plate 31 is fixedly connected to the groove bottom of the placing groove 121, the heat conduction plate 32 is arranged on the side of the heat dissipation plate 31 away from the groove bottom of the placing groove 121, the heat conduction plate 32 is fixedly connected to the heat dissipation plate 31, the heat conduction plate 32 and the heat dissipation plate 31 avoid the explosion-proof glass panel 15, the body 2 is arranged on the side of the heat conduction plate 32 away from the heat dissipation plate 31, the body 2 is embedded in the mounting groove 111 and the placing groove 121, the screen 22 is opposite to the screen opening 114, the camera 23 is opposite to the camera opening 124, and the shell 21 abuts against the heat conduction plate 32.

[0046] With reference to Figure 2 and Figure 5 , the side of the heat dissipation plate 31 facing the heat conduction plate 32 is provided with flow channels 311, the flow channels 311 are provided in plurality, the plurality of flow channels 311 are uniformly and interval arranged along the width direction of the outer shell 1, the flow channels 311 comprise first channels 3111 and second channels 3112, the second channels 3112 are arranged on one side of the first channels 3111, the length directions of the first channels 3111 and the second channels 3112 are parallel to the length direction of the outer shell 1, one end of the first channel 3111 is communicated with one end of the second channel 3112, the other end of the first channel 3111 is close to the other end of the second channel 3112, and one second channel 3112 is arranged between adjacent two first channels 3111.

[0047] The paraffin-based phase change material 33 is arranged in the first channel 3111, the paraffin-based phase change material 33 is close to one end of the first channel 3111 away from the second channel 3112, one end of the lower shell 12 away from the upper shell 11 is provided with an air outlet 127, the air outlet 127 is arranged in the second channel 3112, the air outlet 127 is close to one end of the second channel 3112 away from the first channel 3111, and the metal sintered filter screen 34 is fixedly connected to the inner wall of the air outlet 127.

[0048] With reference to Figure 4And Figure 5 The sliding block 35 is arranged in the first channel 3111, the sliding block 35 is arranged between the paraffin-based phase change material 33 and the air outlet 127, and the sliding block 35 is slidingly connected to the inner wall of the first channel 3111. The fan 36 includes a driving column 361 and a plurality of fan blades 362. The lower shell 12, away from one end of the upper shell 11, is provided with a plurality of heat dissipation grooves 128, the heat dissipation grooves 128 are arranged one by one corresponding to the second channels 3112, the driving column 361 is rotationally connected to the groove bottom of the heat dissipation grooves 128 about the axis of the driving column 361, and the fan blades 362 are fixedly connected to the outer wall of the driving column 361. The plurality of fan blades 362 are uniformly and spacedly arranged around the axis of the driving column 361.

[0049] The impeller 37 is arranged in the second channel 3112, the impeller 37 is arranged between the sliding block 35 and the air outlet 127, the impeller 37 is arranged close to the air outlet 127, and the driving column 361 is coaxially and fixedly connected to the impeller 37. The paraffin-based phase change materials 33 in the adjacent first channels 3111 are respectively arranged close to the two ends of the length direction of the outer shell 1, and the air outlets 127 in the adjacent second channels 3112 are respectively arranged close to the two ends of the length direction of the outer shell 1. The lower shell 12, away from one end of the upper shell 11, is fixedly connected with a plurality of heat dissipation fins 129, and the plurality of heat dissipation fins 129 are uniformly distributed.

[0050] The implementation principle of the 5G explosion-proof PDA provided in the embodiment is as follows: the upper shell 11 and the lower shell 12 are detachable, when entering a risk area, the body 2 is arranged in the outer shell 1 in a sealed mode to prevent explosion, when being in a safe area, the outer shell 1 is removed to reduce the overall weight of the equipment, the body 2 generates heat during use, the heat conduction plate 32 conducts the heat outward, the paraffin-based phase change material 33 is liquefied and expanded after absorbing heat, the sliding block 35 is moved, the air outlet 127 discharges air, the impeller 37 rotates, and the fan 36 rotates, when the paraffin-based phase change material 33 is cooled and solidified, the volume is reduced, the air pressure difference drives the sliding block 35 to move, the air inlet 127 inhales air, and the air-cooled heat dissipation of the outer shell 1 is realized, and the heat dissipation efficiency is improved.

[0051] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: any equivalent changes made on the basis of the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A 5G explosion-proof PDA, characterized in that: The device includes an outer shell (1), a heat-conducting plate (32), and a body (2). The outer shell (1) includes an upper shell (11) and a lower shell (12). The upper shell (11) is detachably connected to the lower shell (12). The upper shell (11) and the lower shell (12) together form a receiving cavity (19). The heat-conducting plate (32) is fixedly connected to the inner wall of the receiving cavity (19). The body (2) is embedded in the receiving cavity (19), and the outer wall of the body (2) abuts against the heat-conducting plate (32). It also includes a heat sink (31), which is located on the side of the heat conduction plate (32) away from the body (2). The heat sink (31) is fixedly connected to the heat conduction plate (32). The heat sink (31) has a flow channel (311) on the side of the heat sink (31) facing the heat conduction plate (32), and a paraffin-based phase change material (33) is provided in the flow channel (311). It also includes a sliding block (35), the outer shell (1) is provided with an air outlet (127), the air outlet (127) is connected to the flow channel (311), the sliding block (35) is slidably connected to the inner wall of the flow channel (311), and the paraffin-based phase change material (33) and the air outlet (127) are respectively provided on both sides of the sliding block (35); The paraffin-based phase change material (33) liquefies and expands after absorbing heat, pushing the sliding block (35) to move, so that the air outlet (127) emits air. When the paraffin-based phase change material (33) cools and solidifies, its volume shrinks, and the air pressure difference pushes the sliding block (35) to move, so that the air outlet (127) receives air, thereby achieving air cooling of the outer shell (1).

2. The 5G explosion-proof PDA according to claim 1, characterized in that: It also includes a sintered metal filter (34), which is fixedly connected to the inner wall of the air outlet (127).

3. A 5G explosion-proof PDA according to claim 1, characterized in that: It also includes a fan (36), which includes a drive column (361) and a fan blade (362). The outer wall of the housing (1) is provided with a heat dissipation groove (128). The heat dissipation groove (128) is located on the side of the heat dissipation plate (31) away from the main body (2). The drive column (361) is rotatably connected to the groove wall of the heat dissipation groove (128) around its own axis. The fan blade (362) is fixedly connected to the outer wall of the drive column (361).

4. A 5G explosion-proof PDA according to claim 3, characterized in that: It also includes an impeller (37), which is located between the sliding block (35) and the air outlet (127). The impeller (37) is located in the flow channel (311), and the drive column (361) is coaxially fixedly connected to the impeller (37).

5. A 5G explosion-proof PDA according to claim 4, characterized in that: The flow channel (311) includes a first channel (3111) and a second channel (3112). The second channel (3112) is located on one side of the first channel (3111). The length directions of the first channel (3111) and the second channel (3112) are both parallel to the length direction of the outer shell (1). One end of the first channel (3111) is connected to one end of the second channel (3112). The other end of the first channel (3111) is close to the other end of the second channel (3112). The paraffin-based phase change material (33) is located at the end of the first channel (3111) away from the second channel (3112). The air outlet (127) is located at the end of the second channel (3112) away from the first channel (3111). The impeller (37) is located inside the second channel (3112).

6. A 5G explosion-proof PDA according to claim 5, characterized in that: The flow channel (311) is provided in multiple ways. The multiple channels are evenly spaced along the width direction of the outer shell (1). The paraffin-based phase change material (33) in adjacent flow channels (311) are respectively close to both ends of the length direction of the outer shell (1).

7. A 5G explosion-proof PDA according to claim 1, characterized in that: The outer wall of the outer shell (1) is fixedly connected with heat dissipation fins (129), and there are multiple heat dissipation fins (129).

8. A 5G explosion-proof PDA according to claim 1, characterized in that: The outer shell (1) also includes a rubber sealing ring (13). A limiting strip (122) is fixedly connected to one end of the lower shell (12) facing the upper shell (11). A limiting groove (112) is provided at one end of the upper shell (11) facing the lower shell (12). The limiting groove (112) is used for the limiting strip (122) to be embedded. The rubber sealing ring (13) is sleeved on the outer periphery of the limiting strip (122). The rubber sealing ring (13) is used for the upper shell (11) to abut against. A locking block (123) is fixedly connected to the outer wall of the limiting strip (122). A locking groove (113) is provided on the groove wall of the limiting groove (112). The locking groove (113) is used for the locking block (123) to be embedded.

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