CN113644571A - Wisdom electric power distribution equipment with radiating effect - Google Patents
Wisdom electric power distribution equipment with radiating effect Download PDFInfo
- Publication number
- CN113644571A CN113644571A CN202110785288.8A CN202110785288A CN113644571A CN 113644571 A CN113644571 A CN 113644571A CN 202110785288 A CN202110785288 A CN 202110785288A CN 113644571 A CN113644571 A CN 113644571A
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- Prior art keywords
- pipe
- heat dissipation
- water storage
- shell
- radiating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000694 effects Effects 0.000 title claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 81
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Abstract
The invention discloses intelligent electric power distribution equipment with a heat dissipation effect, which belongs to the technical field of distribution equipment and comprises a box body, wherein a box door is hinged to the surface of the box body, a handle is arranged on the box door, and a heat dissipation mechanism is arranged in the box body; the heat absorption is carried out on the outer side of the power equipment through the first radiating pipe and the second radiating pipe, the liquid state of the working fluid is volatilized into a vapor state when heated, heat can be taken away in the volatilization process, the vapor state working fluid moves upwards to the radiating fins, the vapor state working fluid is blown through the fan, the vapor state working fluid moves upwards to the radiating fins and is converted into liquid when cooled, then the liquid flows downwards into the second radiating pipe, the heat absorption is converted into a vapor state, and the heat is taken away in cycles, so that the power equipment can carry out efficient heat dissipation, the heat dissipation is fast, the effect is good, the power equipment does not circulate with outside air in the heat dissipation process, and dust cannot enter the power equipment.
Description
Technical Field
The invention belongs to the technical field of power distribution equipment, and particularly relates to intelligent electric power distribution equipment with a heat dissipation effect.
Background
A large amount of connectors and various electronic components have been installed in the wisdom electric power distribution equipment, and there is the existence of a large amount of wires, consequently equipment can give out a large amount of heats under the condition of work, and the heat if can not obtain effectual processing, will lead to the power device in the equipment to damage because of high temperature, and current distribution equipment has all only seted up the thermovent on its side, or has installed radiator fan, but this radiating mode easily leads to the inside dust of collecting easily of block terminal, and electronic components is most comparatively accurate, the dust can influence electronic components's life-span.
Disclosure of Invention
The invention provides an intelligent electric power distribution device with a heat dissipation effect, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent electric power distribution device with a heat dissipation effect comprises a box body, wherein a box door is hinged to the surface of the box body, a handle is arranged on the box door, and a heat dissipation mechanism is arranged inside the box body;
the heat dissipation mechanism is including setting up the first cooling tube of bottom in the box, the head and the tail intercommunication of first cooling tube forms the circulating pipe, the both sides upper end intercommunication of first cooling tube has the second cooling tube, the neighbouring upper end outside of second cooling tube is provided with radiating fin, the neighbouring upper end position in both sides of box is provided with the casing, radiating fin runs through the box and sets up in the casing, the inside of casing is provided with the fan, the surface of casing and radiating fin correspond the position and be provided with the heat dissipation through-hole, the upper end of second cooling tube is provided with the feed liquor pipe, the box is run through to the upper end of feed liquor pipe to be provided with the closing cap.
Preferably, a water storage assembly is arranged on the shell;
the water storage assembly comprises a water storage pipe arranged inside the shell, a placing pipe seat fixed on the inner wall of the shell is arranged at the bottom of the water storage pipe, the placing pipe seat is arranged to be in a half-open type, one end of the placing pipe seat is arranged to be in an open type, the water storage pipe is arranged on the inner side of the fan, one end of the water storage pipe stretches out of the shell, a water inlet pipe is arranged at the upper end of the water storage pipe, a half-open groove is formed in the middle of the water storage pipe, and closed openings are formed in two ends of the water storage pipe.
Preferably, the end face of the outer end of the water storage pipe is fixedly connected with a pull ring.
Preferably, a fixing rod is arranged on the outer surface of one end of the water storage pipe extending out of the shell, and a fixing groove hole corresponding to the fixing rod is formed in the surface of the shell.
Preferably, a protective net is arranged on the opening surface of the shell far away from the box body.
Preferably, the radiating fins are provided with a plurality of groups, and the lower surfaces of the radiating fins are inclined surfaces facing the direction of the second radiating pipe.
Preferably, the upper end of the water inlet pipe is provided with a water receiving funnel.
Preferably, a filter screen is arranged in the water receiving funnel, and a hinged closing cover is arranged on the water receiving funnel.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat absorption device absorbs heat at the outer side of the power equipment through the first radiating pipe and the second radiating pipe, the working fluid is filled in the first radiating pipe, the liquid state of the working fluid is volatilized into a vapor state when heated, heat can be taken away in the volatilization process, the vapor state working fluid moves upwards to the radiating fins and is blown through the fan, the vapor state working fluid moves upwards to the radiating fins and is converted into liquid when cooled, then the liquid flows downwards along the inner wall of the first radiating pipe on the lower surface of the radiating fins to enter the second radiating pipe, heat absorption is converted into a vapor state again, and the circulation is repeated to form a liquid-vapor circulation to take away the heat, so that the power equipment can perform efficient heat dissipation, the heat dissipation is fast, the heat dissipation effect is good, the power equipment cannot flow into the power equipment in the heat dissipation process, dust cannot enter the power equipment, and the service life is prolonged.
2. The water storage pipe is provided with the water storage pipe with the half-open slot, the fan blows air, external air passes through the water surface in the half-open slot, the air is cooled and humidified, the temperature difference between the air and fluid in the radiating fins is increased, the heat exchange speed is accelerated, the fluid cooling speed is increased, the radiating efficiency is improved, the water storage pipe is clamped and fixed with the fixing slot hole through the fixing rod, the installation and the disassembly are simple, the maintenance or the cleaning are convenient, rainwater can be collected through the water receiving funnel, the purposes of no special water filling, time saving and labor saving are achieved, and the purpose of saving water is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent power distribution device with a heat dissipation effect according to the present invention.
Fig. 2 is a schematic view of the internal structure of the case of the present invention.
Fig. 3 is a schematic view of the internal structure of the housing of the present invention.
FIG. 4 is a schematic view of a water storage module according to the present invention.
Fig. 5 is an enlarged schematic view of the invention at a in fig. 3.
In the figure: 1. a box body; 2. a box door; 3. a handle; 4. a heat dissipation mechanism; 41. a first radiating pipe; 42. a second heat dissipation pipe; 43. sealing the cover; 44. a liquid inlet pipe; 45. a heat dissipating fin; 5. a water storage assembly; 51. a water inlet pipe; 52. a half-open slot; 53. a pull ring; 54. fixing the rod; 55. a water storage pipe; 56. a water receiving funnel; 6. a protective net; 7. a housing; 8. a heat dissipating through hole; 9. a fan; 10. placing a tube seat; 11. fixing the slotted hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions:
example 1
An intelligent electric power distribution device with a heat dissipation effect comprises a box body 1, wherein a box door 2 is hinged to the surface of the box body 1, a handle 3 is arranged on the box door 2, and a heat dissipation mechanism 4 is arranged inside the box body 1;
the heat dissipation mechanism 4 comprises a first heat dissipation pipe 41 arranged at the bottom in the box body 1, the first heat dissipation pipe 41 is communicated end to form a circulation pipe, the upper ends of the two sides of the first heat dissipation pipe 41 are communicated with second heat dissipation pipes 42, heat dissipation fins 45 are arranged on the outer sides of the adjacent upper ends of the second heat dissipation pipes 42, in order to improve the heat dissipation efficiency, a plurality of groups of heat dissipation fins 45 are arranged, in order to facilitate the working fluid to move upwards in a vapor state to the positions of the heat dissipation fins 45 to be converted into liquid when meeting cold, and then to flow down along the bottoms of the heat dissipation fins 45, and the lower surfaces of the heat dissipation fins 45 are arranged to be inclined surfaces towards the direction of the second heat dissipation pipes 42; the two sides of the box body 1 are provided with a shell 7 near the upper end, the radiating fins 45 penetrate through the box body 1 and are arranged in the shell 7, the inside of the shell 7 is provided with a fan 9, and in order to prevent the fan 9 from being damaged, the opening surface of the shell 7 far away from the box body 1 is provided with a protective net 6; in order to increase the air circulation and the heat dissipation speed, the heat dissipation through holes 8 are formed on the surface of the casing 7 corresponding to the heat dissipation fins 45, the liquid inlet pipe 44 is formed at the upper end of the second heat dissipation pipe 42, the first heat dissipation pipe 41 is filled with the working fluid from the liquid inlet pipe 44, and the upper end of the liquid inlet pipe 44 penetrates through the box body 1 and is provided with the sealing cover 43.
Specifically, when in use, the electronic components and the electronic equipment are placed inside the first radiating pipe 41, the electronic components and the electric equipment generate heat during operation, the first radiating pipe 41 and the second radiating pipe 42 absorb heat outside the electronic components and the electric equipment, the first radiating pipe 41 is internally filled with working fluid, the liquid state of the working fluid is volatilized into a vapor state when being heated, the heat can be taken away during volatilization, the vapor state working fluid moves upwards to the radiating fins 45 and is blown by the fan 9, the vapor state working fluid moves upwards to the radiating fins 45 and is converted into liquid when being cooled, then the liquid flows downwards along the inner wall of the first radiating pipe 41 on the lower surface of the radiating fins 45 and enters the second radiating pipe 42, the heat absorption is converted into a vapor state, and the process is repeated to form a liquid-vapor circulation to take away the heat, so that the electric equipment can perform high-efficiency heat dissipation, the heat dissipation is fast and the effect is good, and the electric equipment does not circulate with the outside air during the heat dissipation process, therefore, dust cannot enter the power equipment, the power equipment is not influenced by the dust, and the service life is prolonged.
Example 2
As an optional case, please refer to fig. 3-5, an intelligent power distribution apparatus with heat dissipation effect, a housing 7 is provided with a water storage module 5;
the water storage assembly 5 comprises a water storage pipe 55 arranged inside the shell 7, a placing pipe seat 10 fixed on the inner wall of the shell 7 is arranged at the bottom of the water storage pipe 55, the placing pipe seat 10 is arranged in a half-open type, one end of the placing pipe seat is arranged in an open type, the water storage pipe 55 is arranged on the inner side of the fan 9, one end of the water storage pipe 55 extends out of the shell 7, the upper end of the water storage pipe 55 is provided with a water inlet pipe 51, a half-open groove 52 is formed in the middle of the water storage pipe 55, and two end surfaces of the water storage pipe 55 are closed; in order to facilitate the extraction of the water storage pipe 55, the end face of the outer end of the water storage pipe 55 is fixedly connected with a pull ring 53; in order to fix the water storage pipe 55 simply and conveniently to assemble and disassemble, a fixing rod 54 is arranged on the outer surface of one end of the water storage pipe 55 extending out of the shell 7, and a fixing groove hole 11 corresponding to the fixing rod 54 is arranged on the surface of the shell 7; the upper end of inlet tube 51 is provided with water receiving funnel 56, with collect the rainwater, is provided with the filter screen in the water receiving funnel 56, filters the rainwater and prevents that the leaf from dropping and blockking and be provided with articulated closing cover on inlet tube 51 water receiving funnel 56.
Specifically, when in use, a certain amount of water is firstly filled into the water storage pipe 55 from the water inlet pipe 51 to be lower than the groove surface of the half-open groove 52, the fan 9 blows air, external air passes through the water surface in the half-open groove 52 to cool and humidify the air, so that the temperature difference between the air and fluid in the radiating fins 45 is increased, thereby increasing the heat exchange speed, increasing the fluid cooling speed, improving the heat dissipation efficiency, and the water storage pipe 55 is fixed with the fixed slot 11 by the fixed rod 54, when disassembling, the pull ring 53 is pulled out to separate the fixed rod 54 from the fixed slot 11, the water storage pipe 55 can be taken out, when in installation, the fixing rod 54 of the water storage pipe 55 is aligned with the fixing groove hole 11 to be inserted and fixed, the installation and the disassembly are simple, the maintenance or the cleaning is convenient, and can collect the rainwater through the water receiving funnel 56, reach and need not to adorn water specially, labour saving and time saving, and reach the purpose of water conservation.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
The working principle and the using process of the invention are as follows: when the heat dissipation device is used, the electronic components and the electronic equipment are placed inside the first heat dissipation pipe 41, the electronic components and the power equipment generate heat when working, the first heat dissipation pipe 41 and the second heat dissipation pipe 42 absorb heat outside the electronic components and the power equipment, the working fluid is filled inside the first heat dissipation pipe 41, the liquid state of the working fluid is volatilized into a vapor state when being heated, the heat can be taken away in the volatilization process, the vapor working fluid moves upwards to the heat dissipation fins 45 and is blown by the fan 9, the vapor working fluid moves upwards to the positions of the heat dissipation fins 45 and is converted into liquid when being cooled, then the liquid flows downwards along the inner wall of the first heat dissipation pipe 41 on the lower surface of the heat dissipation fins 45 to enter the second heat dissipation pipe 42, the heat absorption is converted into the vapor state again, and the process is repeated, a liquid-vapor circulation is formed to take away the heat, and therefore the power equipment can perform efficient heat dissipation, the heat dissipation is fast and good in effect, and the power equipment does not circulate with the outside air in the heat dissipation process, therefore, dust cannot enter the power equipment, the power equipment is not influenced by the dust, and the service life is prolonged;
secondly, a certain amount of water is filled into the water storage pipe 55 from the water inlet pipe 51, the water storage pipe is made to be low and the groove surface of the half-open groove 52, the fan 9 blows air, outside air passes through the water surface in the half-open groove 52, air is cooled and humidified, the temperature difference between the air and fluid in the radiating fin 45 is made to be large, the heat exchange speed is accelerated, the fluid cooling speed is increased, the radiating efficiency is improved, the water storage pipe 55 is fixed with the fixing groove hole 11 in a clamping mode through the fixing rod 54, when the water storage pipe 55 is detached, the pull ring 53 is extracted, the fixing rod 54 is separated from the fixing groove hole 11, the water storage pipe 55 can be taken out, and when the water storage pipe 55 is installed, the fixing rod 54 of the water storage pipe 55 is aligned with the fixing groove hole 11 to be inserted and fixed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an wisdom electric power distribution equipment with radiating effect, includes box (1), its characterized in that: a box door (2) is hinged to the surface of the box body (1), a handle (3) is arranged on the box door (2), and a heat dissipation mechanism (4) is arranged inside the box body (1);
the heat dissipation mechanism (4) comprises a first heat dissipation pipe (41) arranged at the bottom in the box body (1), the first radiating pipe (41) is communicated end to form a circulating pipe, the upper ends of the two sides of the first radiating pipe (41) are communicated with second radiating pipes (42), the second radiating pipe (42) is provided with radiating fins (45) adjacent to the outer side of the upper end, a shell (7) is arranged at the position close to the upper end of the two sides of the box body (1), the radiating fins (45) penetrate through the box body (1) and are arranged in the shell (7), a fan (9) is arranged in the shell (7), a heat dissipation through hole (8) is arranged on the surface of the shell (7) corresponding to the heat dissipation fin (45), the upper end of the second radiating pipe (42) is provided with a liquid inlet pipe (44), and the upper end of the liquid inlet pipe (44) penetrates through the box body (1) and is provided with a sealing cover (43).
2. The intelligent power distribution equipment with heat dissipation effect of claim 1, wherein: a water storage component (5) is arranged on the shell (7);
the water storage assembly (5) comprises a water storage pipe (55) arranged inside a shell (7), a placing pipe seat (10) fixed on the inner wall of the shell (7) is arranged at the bottom of the water storage pipe (55), the placing pipe seat (10) is set to be of a half-open type, one end of the placing pipe seat is set to be of an open type, the water storage pipe (55) is arranged on the inner side of a fan (9), one end of the water storage pipe (55) stretches out of the shell (7), a water inlet pipe (51) is arranged at the upper end of the water storage pipe, a half-open groove (52) is formed in the middle of the water storage pipe (55), and closed openings are formed in the two ends of the water storage pipe (55).
3. The intelligent power distribution equipment with heat dissipation effect as claimed in claim 2, wherein: the outer end face of the water storage pipe (55) is fixedly connected with a pull ring (53).
4. The intelligent power distribution equipment with heat dissipation effect as claimed in claim 2, wherein: the outer surface of one end of the water storage pipe (55) extending out of the shell (7) is provided with a fixing rod (54), and the surface of the shell (7) is provided with a fixing groove hole (11) corresponding to the fixing rod (54).
5. The intelligent power distribution equipment with heat dissipation effect of claim 1, wherein: the opening surface of the shell (7) far away from the box body (1) is provided with a protective net (6).
6. The intelligent power distribution equipment with heat dissipation effect of claim 1, wherein: the radiating fins (45) are provided with a plurality of groups, and the lower surfaces of the radiating fins (45) are arranged to be inclined surfaces towards the direction of the second radiating pipe (42).
7. The intelligent power distribution equipment with heat dissipation effect of claim 1, wherein: the upper end of the water inlet pipe (51) is provided with a water receiving funnel (56).
8. The intelligent power distribution device with heat dissipation effect as claimed in claim 7, wherein: a filter screen is arranged in the water receiving funnel (56), and a hinged closing cover is arranged on the water receiving funnel (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110785288.8A CN113644571A (en) | 2021-07-12 | 2021-07-12 | Wisdom electric power distribution equipment with radiating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110785288.8A CN113644571A (en) | 2021-07-12 | 2021-07-12 | Wisdom electric power distribution equipment with radiating effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113644571A true CN113644571A (en) | 2021-11-12 |
Family
ID=78417082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110785288.8A Pending CN113644571A (en) | 2021-07-12 | 2021-07-12 | Wisdom electric power distribution equipment with radiating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113644571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117098346A (en) * | 2023-10-19 | 2023-11-21 | 国网甘肃省电力公司营销服务中心 | Protection device for digital equipment convenient to dismantle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209046091U (en) * | 2018-11-16 | 2019-06-28 | 星凯电气有限公司 | A kind of multifunctional distribution box |
| CN209330482U (en) * | 2018-10-30 | 2019-08-30 | 国网安徽省电力有限公司宿州市城郊供电公司 | A kind of power communication heat-radiating dustproof device |
| CN210693214U (en) * | 2019-12-09 | 2020-06-05 | 吴春燕 | Cubical switchboard for electrical engineering |
| CN211308275U (en) * | 2019-11-08 | 2020-08-21 | 河南爱之萤电子科技有限公司 | Fill quick heat dissipation mechanism of electric pile |
| CN213024239U (en) * | 2020-10-12 | 2021-04-20 | 李贺荣 | Dustproof computer mainframe shell |
-
2021
- 2021-07-12 CN CN202110785288.8A patent/CN113644571A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209330482U (en) * | 2018-10-30 | 2019-08-30 | 国网安徽省电力有限公司宿州市城郊供电公司 | A kind of power communication heat-radiating dustproof device |
| CN209046091U (en) * | 2018-11-16 | 2019-06-28 | 星凯电气有限公司 | A kind of multifunctional distribution box |
| CN211308275U (en) * | 2019-11-08 | 2020-08-21 | 河南爱之萤电子科技有限公司 | Fill quick heat dissipation mechanism of electric pile |
| CN210693214U (en) * | 2019-12-09 | 2020-06-05 | 吴春燕 | Cubical switchboard for electrical engineering |
| CN213024239U (en) * | 2020-10-12 | 2021-04-20 | 李贺荣 | Dustproof computer mainframe shell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117098346A (en) * | 2023-10-19 | 2023-11-21 | 国网甘肃省电力公司营销服务中心 | Protection device for digital equipment convenient to dismantle |
| CN117098346B (en) * | 2023-10-19 | 2024-01-19 | 国网甘肃省电力公司营销服务中心 | Protection device for digital equipment convenient to dismantle |
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