CN111542211B - Power communication equipment box - Google Patents
Power communication equipment box Download PDFInfo
- Publication number
- CN111542211B CN111542211B CN202010654916.4A CN202010654916A CN111542211B CN 111542211 B CN111542211 B CN 111542211B CN 202010654916 A CN202010654916 A CN 202010654916A CN 111542211 B CN111542211 B CN 111542211B
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- air
- moving part
- box body
- layer box
- bleed
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Abstract
The invention discloses a power communication equipment box, which comprises a first layer box body and a second layer box body which is arranged in the first layer box body in a hanging manner, wherein a clip-shaped air passage is formed between the second layer box body and the first layer box body, a circulating heat dissipation device is arranged in the clip-shaped air passage, and a dynamic perforated air guide device is arranged in the clip-shaped air passage; dynamic trompil air ducting includes semi-permeable moving part and at least one bleed moving part, but semi-permeable moving part longitudinal sliding ground installs in returning the shape air flue, and each bleed moving part all longitudinal sliding ground installs at the top of first layer box, and semi-permeable moving part is connected with ventilative plate through the connecting rod piece, and the bottom of each bleed moving part all connects on ventilative plate, has seted up the air guide hole on the bleed moving part. According to the invention, the position change of the semi-permeable sliding part induces the heat dissipation airflow in the second layer of box body so as to dynamically change the effective air inlet area of the first layer of box body and avoid unnecessary heat dissipation holes.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a power communication equipment box.
Background
The power communication network is developed to ensure safe and stable operation of the power system. The system is combined with a relay protection and safety and stability control system and a dispatching automation system of a power system to be called as three major pillars for safe and stable operation of the power system. At present, the method is the basis of power grid dispatching automation, network operation marketization and management modernization; is an important means for ensuring the safe, stable and economic operation of the power grid; is an important infrastructure of power systems. Because power communication equipment can produce a large amount of heats when the operation, if discharge in time, can cause the damage to equipment for a long time, but the radiating mode that power communication equipment box on the market took is mostly only set up the louvre on the box, and realizes radiating mode and only realizes through inside taking a breath, and the radiating effect is relatively poor.
In the prior art, as disclosed in the patent application No. CN201911087558.7, the bottom of the device is provided with a vent hole and a fan, the inside of the device is radiated by the draught of the fan, and then a dustproof net is simply covered on the vent hole for dust prevention, wherein the dustproof principle of the dustproof net is mainly that part of dust is blocked and adsorbed by a special structure of the dustproof net; however, no matter the power communication equipment runs at low power or high power, the area of the vent hole is unchanged, even if the dust screen blocks partial dust, dust is easily accumulated on the dust screen, and the dust adsorbed on the dust screen have great influence on air permeability, so that poor air inlet is caused, or the power of the fan is increased and the fan runs at overload, and finally the heat dissipation effect is poor.
Disclosure of Invention
Therefore, the invention provides a power communication equipment box, which aims to solve the problems that unnecessary dust feeding is caused by unchanged area of a vent hole no matter power communication equipment operates at low power or high power, and heat dissipation is poor due to the use of a dust screen in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following:
a power communication equipment box comprises a first layer box body and a second layer box body which is installed in the first layer box body in a hanging mode, wherein a clip-shaped air passage is formed between the second layer box body and the first layer box body, a circulating heat dissipation device which is used for sucking cold air from the top of the second layer box body and blowing the cold air out from the bottom of the second layer box body so as to form ascending air flows on two sides of the clip-shaped air passage is arranged in the clip-shaped air passage, and a dynamic perforated air guide device which is used for sensing the intensity of the ascending air flows in the clip-shaped air passage so as to adjust the perforated area of the top of the first layer box body is installed in the clip;
developments trompil air ducting includes half movable part and at least one bleed movable part, but half movable part longitudinal sliding installs in returning to the shape air flue, each the bleed movable part all longitudinal sliding installs the top of first layer box, half movable part is connected with ventilative plate through the connecting rod piece, and each the bottom of bleed movable part all is connected on ventilative plate, the air guide hole has been seted up on the bleed movable part under the updraft effect the effective area with the outside air exchange of air guide hole that the bleed movable part can slide from top to bottom in order to change the bleed movable part.
As a preferable scheme of the present invention, the circulating heat dissipation device includes an air inlet hole formed at the top of the second layer box body, and an air exhaust hole formed at the bottom of the second layer box body, an exhaust fan is installed at the position of the air exhaust hole, the exhaust fan extracts air in the second layer box body to make the air flow to both sides along the bottom of the rectangular air passage, and an exhaust fan for extracting outside air from the air guide hole is installed at the position of the air inlet hole.
As a preferable scheme of the present invention, the semi-permeable moving member includes a plate body installed in the zigzag air passage through a sliding groove, the plate body is provided with at least one first air vent, the plate body is rotatably provided with a first contact piece, the first contact piece is provided with a second air vent, the first contact piece is rotatably provided with a second contact piece, the second contact piece is provided with a third air vent, and the connecting rod member is connected to the second contact piece.
As a preferable scheme of the present invention, the first air hole, the second air hole, and the third air hole correspond to each other in a longitudinal direction, the first air hole and the second air hole are circular holes and have equal diameters, and the third air hole is a strip-shaped hole and has a hole width half of the diameter of the circular hole.
As a preferable scheme of the present invention, the first contact piece and the second contact piece are both circular, and the edges of the first contact piece and the second contact piece are both provided with a toggle tooth socket, a toggle arm capable of longitudinally extending and retracting is fixedly installed on the plate body, three toggle gears capable of meshing with the toggle tooth socket are installed on one side of the toggle arm from top to bottom, the toggle gear in the middle position is rotatably installed on the toggle arm by being driven by a motor, and the other two toggle gears are fixedly installed on the toggle arm.
As a preferred scheme of the invention, a plurality of convex platforms are arranged on the top surface of the first layer of box body, drainage channels are arranged between the convex platforms, sliding grooves are arranged on the convex platforms, and the air-entraining moving parts are nested in the sliding grooves;
the top end of the air-entraining moving part is provided with an umbrella-shaped structure, the side wall of the air-entraining moving part is provided with at least two annular channels from top to bottom, and the rubber rings are movably nested in the annular channels.
As a preferable scheme of the present invention, the air vent includes a main passage that is provided in the air-entraining moving member and penetrates through a bottom of the air-entraining moving member, and a plurality of branch air passages that penetrate to a side surface of the air-entraining moving member are provided at an edge of the main passage.
In a preferred embodiment of the present invention, the gas-permeable panel is a plastic plate with meshes, and the total area of the meshes on the plastic plate accounts for more than 80% of the area of the upper surface of the plastic plate.
The embodiment of the invention has the following advantages:
according to the invention, the effective air inlet area of the first layer box body is dynamically changed by sensing the heat radiation airflow in the second layer box body through the position change of the semi-permeable sliding part, so that the effective air inlet area and the effective air inlet area are matched, thereby avoiding the adverse effects of dust inlet of the device and dust deposition of the device caused by unnecessary heat radiation holes when the power communication equipment runs at low power, and the power communication equipment is wrapped by a single air channel which is arranged from top to bottom through combing the air channel inside the power communication equipment, and is beneficial to preventing the dust deposition inside the power communication equipment under the action of gravity; and the special air inlet mode improves the prevention capability of the device on road accumulated water and the waterproof capability of automatically closing the air-entraining moving part under the impact force of rainwater.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is an overall schematic configuration diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a semi-permeable moving member according to an embodiment of the present invention;
figure 3 is a schematic structural view of a bleed air mover in an embodiment of the present invention.
In the figure:
1-a first layer of box body; 2-a second layer of box body; 3-air inlet holes; 4-air vent; 5-a sinuous airway; 6-an exhaust fan; 7-a semi-permeable moving part; 8-a bleed air moving part; 9-a gas-permeable plate; 10-a link member; 11-gas-guide holes; 12-an exhaust fan; 13-a convex platform; 14-a drainage channel; 15-a chute; 16-umbrella structure; 17-an annular channel; 18-a rubber ring;
71-a plate body; 72-a first vent; 73-a first contact pad; 74-second vent; 75-a second contact sheet; 76-third breather hole; 77-poking the tooth grooves; 78-toggle arm; 79-toggle gear.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
As shown in fig. 1, the invention provides a power communication equipment box, which comprises a first layer box body 1 and a second layer box body 2 mounted in the first layer box body in a suspended manner, wherein a loop-shaped air flue 5 is formed between the second layer box body 2 and the first layer box body 1, a circulating heat dissipation device for drawing cold air from the top of the second layer box body 2 and blowing out the cold air from the bottom of the second layer box body to form updraft on two sides of the loop-shaped air flue 5 is arranged in the loop-shaped air flue 5, and a dynamic perforated air guide device for sensing the strength of the updraft in the loop-shaped air flue 5 to adjust the perforated area of the top of the first layer box body 1 is mounted in the loop-shaped air flue 5; developments trompil air ducting includes semi-permeable moving part 7 and at least one bleed moving part 8, but semi-permeable moving part 7 longitudinal sliding installs in returning to shape air flue 5, each the bleed moving part 8 all longitudinal sliding installs the top of first layer box 1, semi-permeable moving part 7 is connected with ventilative plate 9 through connecting rod piece 10, and each the bottom of bleed moving part 8 all connects on ventilative plate 9, has seted up air guide hole 11 on the bleed moving part 8, and the effective area with the exchange of outside air of air guide hole 11 in order to change bleed moving part 8 can slide from top to bottom under the rising air current effect bleed moving part 8.
Wherein, circulation heat abstractor is including seting up the inlet port 3 at 2 tops of second floor box, and set up exhaust hole 4 of the bottom of second floor box 2 exhaust hole 4's position is installed exhaust fan 6, exhaust fan 6 takes out interior gas of second floor box 2 makes its edge 5 bottoms of time shape air flue flow to both sides the position of inlet port 3 is installed and is used for following air guide 11 extraction outside air's air exhauster 12.
The core idea of the invention is that the hot air generated by the electric power communication equipment in the second layer box body 2 is extracted from the bottom by utilizing the square air passage 5 and a special exhaust mode, and flows upwards from two sides under the guide of the square air passage 5, so that the lateral ascending air flow in the square air passage 5 is formed, and acts on the semi-permeable movable part 7 which is slidably arranged in the square air passage 5 through the lateral ascending air flow, wherein the semi-permeable movable part 7 is a sliding part with adjustable air permeability, when the air permeability is larger, the resistance to the upward ascending air flow is smaller, and when the air permeability is smaller, the resistance to the upward ascending air flow is larger; because the semi-permeable moving part 7 is installed in a sliding mode, when the semi-permeable moving part 7 is subjected to upward resistance, the resistance can push the semi-permeable moving part to slide upwards, so that the semi-permeable moving part 7 pushes the air-entraining moving part 8 to slide upwards together with the semi-permeable moving part, when the air-entraining moving part 8 slides upwards, the side face of the semi-permeable moving part is more exposed, the effective area of the air-entraining hole 11 communicated with the outside is larger, and the total air inlet area of the semi-permeable moving part 7 is.
The invention aims to dynamically change the effective air inlet area of the first layer box body 1 by sensing the heat radiation airflow in the second layer box body 2 through the position change of the semi-permeable sliding part, so that the two are matched, thereby avoiding the adverse effects caused by dust inlet of the device and dust deposition of the device due to unnecessary heat radiation holes when the power communication equipment runs at low power, enabling the power communication equipment to be wrapped by a single air channel from top to bottom through combing the air channel inside the power communication equipment, and being beneficial to preventing the dust deposition inside the power communication equipment under the action of gravity; and the special air intake mode improves the precaution capacity of the device to road ponding.
As shown in fig. 2, the semi-permeable movable member 7 includes a plate body 71 installed in the clip-shaped air passage 5 through a sliding slot, at least one first air hole 72 is formed in the plate body 71, a first contact piece 73 is rotatably installed on the first air hole 72, a second air hole 74 is formed in the first contact piece 73, a second contact piece 75 is rotatably installed on the plate body 71, a third air hole 76 is formed in the second contact piece 75, and the connecting rod member 10 is connected to the second contact piece 75. First bleeder vent 72, second bleeder vent 74, third bleeder vent 76 correspond each other on vertical, first bleeder vent 72, second bleeder vent 74 are the circular port and the diameter equals, third bleeder vent 76 is rectangular shape hole and the hole width is half of this circular port diameter. The first contact piece 73 and the second contact piece 75 are both circular, the edges of the first contact piece and the second contact piece are both provided with a toggle tooth groove 77, a toggle arm 78 which can longitudinally extend and retract is fixedly installed on the plate body 71, three toggle gears 79 which can be meshed with the toggle tooth groove 77 are installed on one side of the toggle arm 78 from top to bottom, the toggle gear 79 in the middle position is rotationally installed on the toggle arm 78 in a driving mode through a motor, and the other two toggle gears 79 are fixedly installed on the toggle arm 78.
The first air hole 72, the second air hole 74 and the third air hole 76 are overlapped and shielded with each other by the relative rotation among the first contact plate 73, the second contact plate 75 and the plate body 71, thereby reducing the air permeability of the semi-permeable movable member 7.
Its specific relative rotation process is mainly realized by dialling arm 78, dial arm 78 through self flexible ability, drive three stirring gear 79 that mesh on it at stirring tooth's socket 77 vertically slide along stirring tooth's socket 77, stirring gear 79 meshing on first contact piece 73 in the middle of when, topmost stirring gear 79 meshing on second contact piece 75, and stirring gear 79 of bottommost takes in to plate body 71 in, stir gear 79 through the motor drive in the middle of rotates, and second contact piece 75 is carried out the meshing by topmost stirring gear 79 and fixes and can't rotate this moment to can guarantee to rotate first contact piece 73 alone.
Similarly, when the lowermost toggle gear 79 engages and fixes the second contact 75, the middle toggle gear 79 engages and drives the second contact 75 to rotate, thereby independently rotating the second contact 75.
As shown in fig. 1 and 3, a plurality of convex platforms 13 are arranged on the top surface of the first layer box body 1, a drainage channel 14 is arranged between the convex platforms 13, a sliding slot 15 is arranged on each convex platform 13, and the air-entraining moving member 8 is nested in the sliding slot 15; the top end of the air-entraining moving part 8 is provided with an umbrella-shaped structure 16, the side wall of the air-entraining moving part 8 is provided with at least two annular channels 17 from top to bottom, and rubber rings 18 are movably nested in the annular channels 17. The air vent 11 includes the main channel that sets up in the bleed moving part 8 and run through its bottom set up a plurality of branch air flues that run through to the bleed moving part 8 side at the edge of main channel. The air-permeable plate 9 is a plastic plate with meshes, and the total area of the meshes on the plastic plate accounts for more than 80% of the area of the upper surface of the plastic plate.
Through the setting of convex platform 13 and umbrella-shaped structure 16 to avoid the rainwater to splash to the lateral wall of bleed moving part 8, thereby play certain rain-proof effect, and when the rainwater was great, umbrella-shaped structure 16 can accept the rainwater impact and produce a decurrent effort on it, close bleed moving part 8 by force, with the waterproof ability of improvement device.
The rubber ring 18 is nested in the annular channel 17, so that the friction force of the side wall when the air-entraining moving piece 8 slides is increased, and the regulation sensitivity of the dynamic perforated air guide device is regulated.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A power communication equipment box comprises a first layer box body (1) and a second layer box body (2) which is installed in the first layer box body in a hanging mode, and is characterized in that a clip-shaped air passage (5) is formed between the second layer box body (2) and the first layer box body (1), a circulating heat dissipation device which is used for sucking cold air from the top of the second layer box body (2) and blowing out the cold air from the bottom of the second layer box body (2) so as to form ascending air flows on two sides of the clip-shaped air passage (5) is arranged in the clip-shaped air passage (5), and a dynamic hole-opening air guide device which is used for sensing the strength of the ascending air flow in the clip-shaped air passage to adjust the hole area of the top of the first layer box body (1) is installed in the clip-shaped air passage;
developments trompil air ducting includes semi-permeable moving part (7) and at least one bleed moving part (8), but semi-permeable moving part (7) longitudinal sliding installs in returning shape air flue (5), each bleed moving part (8) all install longitudinal sliding the top of first layer box (1), semi-permeable moving part (7) are connected with ventilative plate (9) through connecting rod piece (10), and each the bottom of bleed moving part (8) all is connected on ventilative plate (9), air guide hole (11) have been seted up on bleed moving part (8) under the updraft effect bleed moving part (8) can slide from top to bottom in order to change the effective area of the air guide hole (11) of bleed moving part (8) and the exchange of outside air.
2. The power communication equipment box of claim 1, wherein the circulating heat dissipation device comprises an air inlet (3) formed in the top of the second layer box body (2) and an exhaust hole (4) formed in the bottom of the second layer box body (2), an exhaust fan (6) is installed at the position of the exhaust hole (4), the exhaust fan (6) extracts air in the second layer box body (2) to enable the air to flow along the bottom of the square air flue (5) to two sides, and an exhaust fan (12) used for extracting outside air from the air guide hole (11) is installed at the position of the air inlet (3).
3. The power communication equipment box of claim 1, wherein the semi-permeable moving member (7) comprises a plate body (71) installed in the clip-shaped air passage (5) through a sliding groove, at least one first air hole (72) is formed in the plate body (71), a first contact piece (73) is rotatably installed on the plate body (71), a second air hole (74) is formed in the first contact piece (73), a second contact piece (75) is rotatably installed on the first contact piece (73), a third air hole (76) is formed in the second contact piece (75), and the connecting rod member (10) is connected to the second contact piece (75).
4. The power communication equipment box as claimed in claim 3, wherein the first vent (72), the second vent (74) and the third vent (76) correspond to each other in the longitudinal direction, the first vent (72) and the second vent (74) are circular holes and have equal diameters, and the third vent (76) is a strip-shaped hole and has a hole width half of the diameter of the circular hole.
5. The power communication equipment box according to claim 3, wherein the first contact piece (73) and the second contact piece (75) are both circular, a poking tooth groove (77) is formed in the edges of the first contact piece and the second contact piece, a poking arm (78) capable of longitudinally extending and retracting is fixedly installed on the plate body (71), three poking gears (79) capable of being meshed with the poking tooth groove (77) are installed on one side of the poking arm (78) from top to bottom, the poking gear (79) in the middle position is installed on the poking arm (78) in a driving mode through a motor, and the rest two poking gears (79) are fixedly installed on the poking arm (78).
6. An electric power communication equipment box according to claim 1, characterized in that a plurality of convex platforms (13) are arranged on the top surface of the first layer box body (1), drainage channels (14) are arranged between the convex platforms (13), a sliding groove (15) is arranged on the convex platforms (13), and the air-entraining moving part (8) is nested in the sliding groove (15);
the top of bleed moving part (8) is provided with umbrella structure (16) seted up two at least annular channel (17) from last to ground on the lateral wall of bleed moving part (8) the nested rubber circle of activity (18) in annular channel (17).
7. An electrical power communication equipment box according to claim 1, characterized in that the air vent (11) comprises a main channel which is arranged in the air-entraining moving part (8) and penetrates through the bottom of the air-entraining moving part, and a plurality of branch air passages which penetrate to the side surface of the air-entraining moving part (8) are arranged at the edge of the main channel.
8. A power communication equipment cabinet according to claim 1, characterized in that said gas-permeable panel (9) is a plastic sheet with meshes, and the total area of the meshes on the sheet is more than 80% of the area of the upper surface of the sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654916.4A CN111542211B (en) | 2020-07-09 | 2020-07-09 | Power communication equipment box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654916.4A CN111542211B (en) | 2020-07-09 | 2020-07-09 | Power communication equipment box |
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| Publication Number | Publication Date |
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| CN111542211A CN111542211A (en) | 2020-08-14 |
| CN111542211B true CN111542211B (en) | 2020-10-02 |
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| CN202010654916.4A Active CN111542211B (en) | 2020-07-09 | 2020-07-09 | Power communication equipment box |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112739111B (en) * | 2020-12-29 | 2022-05-03 | 河南工学院 | Communication equipment protection mechanism |
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| CN2547549Y (en) * | 2002-07-08 | 2003-04-30 | 张清秀 | Vehicular water-evaporating and refrigerating air conditioner |
| CN204790804U (en) * | 2015-06-21 | 2015-11-18 | 苏寅方 | Top over -and -under type computer complete machine heat abstractor |
| CN206323039U (en) * | 2016-11-17 | 2017-07-11 | 郭栋 | A kind of power communication equipment box |
| CN206847379U (en) * | 2017-04-17 | 2018-01-05 | 宁波东方嘉迅加热设备有限公司 | A kind of curing oven |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060266348A1 (en) * | 2005-03-11 | 2006-11-30 | Absolutaire, Inc. | Direct fired heater with improved set-up features |
| CN106451142B (en) * | 2016-11-25 | 2018-01-23 | 盐城工学院 | A kind of textile machine distribution box with hidden type lifting cooling mechanism |
| CN208571369U (en) * | 2018-08-01 | 2019-03-01 | 深圳市华通电气设备有限公司 | One kind is outer for circuit storing unit for cell switch case |
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2020
- 2020-07-09 CN CN202010654916.4A patent/CN111542211B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2547549Y (en) * | 2002-07-08 | 2003-04-30 | 张清秀 | Vehicular water-evaporating and refrigerating air conditioner |
| CN204790804U (en) * | 2015-06-21 | 2015-11-18 | 苏寅方 | Top over -and -under type computer complete machine heat abstractor |
| CN206323039U (en) * | 2016-11-17 | 2017-07-11 | 郭栋 | A kind of power communication equipment box |
| CN206847379U (en) * | 2017-04-17 | 2018-01-05 | 宁波东方嘉迅加热设备有限公司 | A kind of curing oven |
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