CN207281694U - Air guiding heat dissipation device for computer - Google Patents
Air guiding heat dissipation device for computer Download PDFInfo
- Publication number
- CN207281694U CN207281694U CN201721228814.6U CN201721228814U CN207281694U CN 207281694 U CN207281694 U CN 207281694U CN 201721228814 U CN201721228814 U CN 201721228814U CN 207281694 U CN207281694 U CN 207281694U
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- Prior art keywords
- case body
- machine case
- riser
- computer
- hole
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Abstract
The utility model discloses air guiding heat dissipation device for computer, relates generally to computer fittings field.Including computer cabinet body, the bottom of machine case body sets footing, through hole is set at the top of machine case body, blast pipe is worn in through hole, one end of blast pipe is located at outside machine case body and sets wind turbine, dust-break layer is set on wind turbine, the other end of blast pipe is passed down through through hole and stretches into inside machine case body and set expansion fan housing, some ventilation holes are set on the side wall of machine case body, the outside of machine case body sets abat-vent at vent locations, abat-vent includes the riser being adapted with machine case body side wall, blower fan is set on riser, connecting plate is set between riser and machine case body, bottom of the riser tilts and sets wind shield, one end of the remote riser of wind shield extends to the footing direction of machine case body.The utility model benefit effect：The purpose of computer ventilation and heat can be preferably embodied as, and reduce the influence that computer cabinet radiates to user, reduce sense of discomfort, raising uses likability.
Description
Technical field
Computer fittings field is the utility model is related to, is specifically air guiding heat dissipation device for computer.
Background technology
With information-based continuous improvement, computer application is increasingly popularized to be widely used in various occasions.Calculate
Substantial amounts of component is installed, the lasting high-speed cruising of component can cause accumulation in computer host box a large amount of in the cabinet of machine
Heat, cause computer fever can not work on, in some instances it may even be possible to burn each component and connecting line of main frame, shadow
Ring the progress of working and learning.The microcomputer cabinet of general family expenses is radiated in a manner of fan cooling.This
Sample does a series of problems, such as not reaching preferable cooling-down effect, causing computer corruption, restart, and has seriously affected making for computer
Use the service life.The heat emission hole of computer cabinet is usually positioned only on the side wall of the side of computer cabinet, such computer-internal
Air flow is weaker, has a certain impact to computer heat dissipation, in addition, because computer cabinet is usually all placed under desk
Side, for the ease of heat dissipation, is usually remotely from the side of desk side wall by the side with heat emission hole of computer cabinet,
In this way, although computer cabinet heat dissipation is more better, the hot wind that heat emission hole gives out causes user certain shadow
Ring, easily produce sense of discomfort, influence work mood.
Utility model content
The purpose of this utility model is to provide air guiding heat dissipation device for computer, can preferably be embodied as computer ventilation
The purpose of heat dissipation, and the influence that computer cabinet radiates to user is reduced, sense of discomfort is reduced, raising uses likability.
The utility model to achieve these goals, is realized using following technical scheme：
Air guiding heat dissipation device for computer, including computer cabinet body, the bottom of the machine case body are equipped with footing, institute
The top for stating machine case body is equipped with through hole, and blast pipe is worn in the through hole, and one end of the blast pipe is located at outside machine case body
Portion is simultaneously equipped with wind turbine, and the wind turbine is equipped with dust-break layer, and the other end of the blast pipe is passed down through through hole and stretches into machine case body
Inside is simultaneously equipped with some ventilation holes equipped with expansion fan housing, the side wall of the machine case body, and the outside of the machine case body is close to logical
Wind hole location is equipped with abat-vent, and the abat-vent includes the riser being adapted with machine case body side wall, on the riser
Equipped with blower fan, connecting plate is equipped between the riser and machine case body, the bottom of the riser is provided tiltedly with wind shield, the gear
One end of the remote riser of aerofoil extends to the footing direction of machine case body.
The side wall top equipped with ventilation hole of the machine case body is equipped with inverted T shaped spacing cunning along the top plate level of machine case body
Groove, the side at the remote machine case body center of the limit sliding chutes are in communication with the outside, and slide and are equipped with and limit in the limit sliding chutes
The inverted T shaped sliding shoe that position sliding slot is adapted, one end of the remote machine case body center of the sliding shoe is connected with connecting plate.
The side of the close footing of the wind shield is equipped with induced draft plate, and described induced draft plate one end is connected with wind shield, another
Hold the bottom plate center position extension to the close machine case body in machine case body bottom.
The top of the machine case body is equipped with locating slot at lead to the hole site, and L-type shutter is equipped with the locating slot,
The bottom of the vertical end of the shutter is located in locating slot, and the horizontal ends of the shutter are located above wind turbine and can block wind
Machine.
One end of the remote connecting plate of the riser is equipped with the auxiliary connection board being adapted with machine case body, and the auxiliary connects
Fishplate bar one end is connected with riser, and the other end is connected with machine case body, the top of the riser, the top of auxiliary connection board, connection
The cover board being adapted with machine case body is equipped between the top of plate.
The side wall of the remote machine case body side of the riser is equipped with heat insulating mattress.
The prior art is contrasted, the beneficial effects of the utility model are：
1st, the setting of blast pipe and wind turbine, easy to by extraneous air conduction to computer cabinet, be expanded by expanding fan housing
The contact area of the outside air introduced greatly and computer-internal part especially main heat sink component, passes through the air draught on riser
Fan, helps the hot wind in machine case body to shed, and forms air flow passage, can preferably be embodied as computer ventilation and heat
Purpose, on machine case body the setting of ventilation hole be easy to shed hot wind machine case body, stop and change hot wind shedding by riser
Angle afterwards, avoids hot wind from directly blowing to user, and then causes discomfort, by the inclination wind shield being connected with riser, by heat
Wind direction machine case body bottom direction drains, and avoids hot wind from being brushed from bottom of the riser effusion to user, reduces and calculate
Influence of the machine case radiation to user, reduces sense of discomfort, and raising uses likability.
2nd, the setting of limit sliding chutes and sliding shoe, installs or removes abat-vent easy to user, improves just as needed
Profit.
3rd, the setting of induced draft plate, easy to further guide hot wind into a side away from user, further improves and uses
Sensitivity.
4th, the setting of shutter, easy to be protected to wind turbine, avoids debris etc. from dropping on wind turbine, may influence to dissipate
Thermal effect.
5th, the setting of auxiliary connection board and cover board, makes riser, auxiliary connection board, connecting plate, cover board form a bottom and set
There is the cavity of opening, avoid hot wind from being escaped from the top of cavity, reduce wind turbine suction hot wind, and avoid top of the hot wind from cavity
Or rear effusion, reduce the probability that hot wind is contacted with user.
6th, the setting of heat insulating mattress, after computer works long hours, the hot wind that heat emission hole sheds brushes riser, may cause
Riser portion position is hotter, to avoid user from causing discomfort when touching riser by mistake, sets heat insulating mattress, can further protect makes
User.
Brief description of the drawings
Attached drawing 1 is the utility model front view；
Attached drawing 2 is the utility model top view
Attached drawing 3 is the utility model part A enlarged diagram.
Attached figure label：1st, machine case body；2nd, footing；3rd, through hole；4th, blast pipe；5th, wind turbine；6th, dust-break layer；7th, wind is expanded
Cover；8th, ventilation hole；9th, riser；10、；11st, connecting plate；12nd, wind shield；13rd, limit sliding chutes；14th, sliding shoe；15th, induced draft plate；
16th, locating slot；17th, shutter；18th, auxiliary connection board；19th, cover board；20th, heat insulating mattress.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It is to be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content read the utility model and told about
Afterwards, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this
Apply in limited range.
Described in the utility model is air guiding heat dissipation device for computer, including computer cabinet body 1, the machine case body
1 bottom is equipped with footing 2, and footing is used to make machine case body leave ground, preferably, footing is arranged to height-adjustable bottom
Foot, easy to adjust the height that machine case body leaves ground as needed, improves ease of use, the top of machine case body 1 is set
There is through hole 3, blast pipe 4 is worn in the through hole 3, one end of the blast pipe 4 is located at the outside of machine case body 1 and is equipped with wind turbine 5,
Outside air is sucked by blast pipe by wind turbine, and the flow velocity of the air of blast pipe can be accelerated into by wind turbine, improve into
The heat dissipation effect of one step, the wind turbine 5 are equipped with dust-break layer 6, and dust-break layer can be spongy layer, the ash being easy in air filtering
Dirt, sponge convenient material drawing, super quality and competitive price are easy-to-use, can be bolted or the mode be glued be arranged on wind turbine into
On air port, the other end of the blast pipe 4 is passed down through through hole 3 and stretches into the inside of machine case body 1 and equipped with fan housing 7 is expanded, and expands fan housing
Gas in blast pipe is blowed to the heat generating components in machine case body, is cooled down to heat generating components, and expands the external world of introducing
The contact area of air and computer-internal part especially main heat sink component, the side wall of the machine case body 1 is equipped with some
Ventilation hole 8, the setting of ventilation hole are easy to shed hot wind machine case body, the hot wind in machine case body are shed by ventilation hole,
Cooling-down effect is improved, the outside of the machine case body 1 is equipped with abat-vent, the abat-vent bag at 8 position of ventilation hole
The riser 9 being adapted with 1 side wall of machine case body is included, riser stops and changes the angle after hot wind sheds, and avoids hot wind from directly blowing
To user, and then cause discomfort, the side wall of riser and machine case body is adapted, and the width of riser can at least cover heat dissipation
Hole, the riser 9 are equipped with blower fan 10, and blower fan is used for the hot wind for accelerating effusion in machine case body, it is left faster
Machine case body, accelerates radiating rate, a heat emission fan can also be set on the lateral wall of machine case body, further helps heat empty
Gas leaves machine case body, helps the hot wind in machine case body to shed, and forms air flow passage, can preferably be embodied as calculating
The purpose of machine ventilation and heat, is equipped with connecting plate 11 between the riser 9 and machine case body 1, can be by welding or being bolted
Mode realize, riser and machine case body are connected by connecting plate, preferably, connecting plate is arranged on the close machine of riser
One end in front of case body, connecting plate can also block hot wind, avoid hot wind effusion in front of machine case body from brushing user, institute
State 9 bottom angled of riser and be equipped with wind shield 12, can by welding or bolted mode realize, the wind shield 12 it is remote
One end from riser 9 extends to 2 direction of footing of machine case body 1, the wind shield being obliquely installed, by hot wind to machine case body bottom
Direction drains, and avoids hot wind from being brushed from bottom of the riser effusion to user, reduces computer cabinet heat dissipation to using
The influence of person, reduces sense of discomfort, and raising uses likability, preferably, setting heat insulating mattress in machine case body internal backplane, as far as possible
Reduce hot wind and brush the machine case body internal temperature that machine case body bottom may influence.The utility model beneficial effect：Can be compared with
The good purpose for being embodied as computer ventilation and heat, and the influence that computer cabinet radiates to user is reduced, sense of discomfort is reduced,
Raising uses likability.
The utility model is in use, powers on for wind turbine and blower fan, starts to work, wind turbine suction outside air,
And machine case body is entered by blast pipe, cool down to the computer heat generating components in cabinet, blower fan helps machine case body
Interior hot-air accelerates to escape by ventilation hole, and the hot-air for escaping machine case body changes vertical direction under the stop of riser,
The hot-air moved down moves, user is brushed in reduction under the stop drainage of wind shield to machine case body bottom direction
Probability.
For the ease of installation or removal riser as needed, the side wall top edge equipped with ventilation hole 8 of the machine case body 1
The top plate of machine case body 1 is horizontal to be equipped with inverted T shaped limit sliding chutes 13, and the one of 1 center of remote machine case body of the limit sliding chutes 13
Side is in communication with the outside, and one end of limit sliding chutes is in communication with the outside, easy to the sliding shoe being subsequently arranged in limit sliding chutes and connection
The connection of plate, the limit sliding chutes 13 are interior to slide the inverted T shaped sliding shoe 14 for being equipped with and being adapted with limit sliding chutes 13, sliding shoe energy edge
Limit sliding chutes remove or move into machine case body, one end of 1 center of remote machine case body of the sliding shoe 14 and connecting plate
11 connections, can be installed or removed abat-vent as needed easy to user, are improved by welding or bolted mode
Convenience.
In order to further drain hot-air, the side of the close footing 2 of the wind shield 12 is equipped with induced draft plate 15, Ke Yitong
Welding or bolted mode are crossed, preferably, the distance between the width of induced draft plate and footing of machine case body bottom are mutually fitted
Should, easy to another side direction extension of the induced draft plate through footing to machine case body so as to be drained, the induced draft plate 15
One end is connected with wind shield 12, can be by welding or bolted mode, and the other end is to the close cabinet in 1 bottom of machine case body
The bottom plate center position extension of body 1, induced draft plate can be horizontally disposed with, can also set diagonally downward, can also be in induced draft plate
Upper setting baffle, is escaped by baffle hot-air from induced draft plate both sides, easy to further guide hot wind away from user into
A side, further improve using likability.
In order to protect wind turbine, the top of the machine case body 1 is equipped with locating slot 16 at 3 position of through hole, and locating slot is set
Put and be located at through hole rear at the top of machine case body, locating slot can be inverted T shaped, and the vertical end of locating slot is in communication with the outside, described
L-type shutter 17 is equipped with locating slot 16, the bottom of the vertical end of the shutter 17 is located in locating slot 16, and shutter erects
Straight end is adapted with locating slot, and the horizontal stripe being adapted with locating slot can be set in the bottom of shutter, is placed into by horizontal stripe
In locating slot, the vertical end of shutter, which is placed on above wind turbine, protects wind turbine, and easy to need as needed to machine
Case body is installed or removed when being dismantled, and the horizontal ends of the shutter 17 are located at the top of wind turbine 5 and can hide
Keep out the wind machine 5, and L-type shutter can also be placed directly at the top of machine case body, is realized by welding or bolted mode, right
Wind turbine is protected, and easy to be protected to wind turbine, avoids debris etc. from dropping on wind turbine, may influence heat dissipation effect.
In order to reduce wind turbine suction hot wind, one end of the remote connecting plate 11 of the riser 9 is equipped with fits with 1 phase of machine case body
The auxiliary connection board 18 answered, realizes that described 18 one end of auxiliary connection board connects with riser 9 by welding or bolted mode
Connect, the other end is connected with machine case body 1, the top of the riser 9, the top of auxiliary connection board 18, connecting plate 11 top it
Between be equipped with machine case body 1 be adapted cover board 19, by welding or bolted mode realize, riser, auxiliary connection board,
Connecting plate, cover board form the cavity that a bottom is equipped with opening, avoid hot wind from being escaped from the top of cavity, reduce wind turbine suction heat
Wind, and avoid hot wind from being escaped from the top of cavity or rear, reduce the probability that hot wind is contacted with user.
In order to further improve comfort level, the side wall of 1 side of remote machine case body of the riser 9 is equipped with heat insulating mattress
20, it can realize by bolted connection, after computer works long hours, the hot wind that heat emission hole sheds brushes riser, can
Riser portion position can be caused hotter, to avoid user from causing discomfort when touching riser by mistake, heat insulating mattress is set, can be into one
Step protection user's side wall is equipped with heat insulating mattress 20.
Embodiment：
Air guiding heat dissipation device for computer, including computer cabinet body 1,1 bottom of the machine case body are equipped with footing
2, the top of machine case body 1 is equipped with through hole 3, blast pipe 4 is worn in the through hole 3, one end of the blast pipe 4 is located at cabinet
The outside of body 1 is simultaneously equipped with wind turbine 5, and the wind turbine 5 is equipped with dust-break layer 6, and dust-break layer is spongy layer, is bolted or glue
The mode connect is arranged on the air inlet of wind turbine, L-type shutter 17 is placed at the top of machine case body, by welding or being bolted
Mode realize that the horizontal ends of shutter 17 are located at the top of wind turbine 5 and can block wind turbine 5, the other end of the blast pipe 4 to
Under through through hole 3 stretch into the inside of machine case body 1 and equipped with fan housing 7 is expanded, the side wall of the machine case body 1 is equipped with some ventilations
Hole 8, the outside of the machine case body 1 are equipped with abat-vent at 8 position of ventilation hole, and the abat-vent includes and cabinet sheet
The side wall of the riser 9 that 1 side wall of body is adapted, riser and machine case body is adapted, 1 side of remote machine case body of the riser 9
Side wall be equipped with heat insulating mattress 20, can realize by bolted connection, the riser 9 is equipped with blower fan 10, by
Heat emission fan is set on the lateral wall of the machine case body of nearly riser side, connecting plate is equipped between the riser 9 and machine case body 1
11, it can be realized, be connected riser and machine case body by connecting plate, connecting plate by welding or bolted mode
The one end being arranged in front of the close machine case body of riser, the side wall top equipped with ventilation hole 8 of the machine case body 1 is along cabinet
The top plate of body 1 is horizontal to be equipped with inverted T shaped limit sliding chutes 13, the side at 1 center of remote machine case body of the limit sliding chutes 13 and
External world's connection, one end of limit sliding chutes are in communication with the outside, and slip is equipped with the limit sliding chutes 13 is adapted with limit sliding chutes 13
Inverted T shaped sliding shoe 14, sliding shoe can along limit sliding chutes remove or move into machine case body, the remote cabinet sheet of the sliding shoe 14
One end of 1 center of body is connected with connecting plate 11, can be inclined by welding or bolted mode, 9 bottom of riser
Wind shield 12 tiltedly is equipped with, can be realized by welding or bolted mode, one end of the remote riser 9 of the wind shield 12
Extend to 2 direction of footing of machine case body 1, the side of the close footing 2 of the wind shield 12 is equipped with induced draft plate 15, can pass through
Welding or bolted mode, the distance between the width of induced draft plate and the footing of machine case body bottom are adapted, described to draw
15 one end of aerofoil is connected with wind shield 12, can be leaned on by welding or bolted mode, the other end to 1 bottom of machine case body
The bottom plate center position extension of nearly machine case body 1, is equipped with baffle on induced draft plate, can pass through welding or bolted side
Formula, one end of the remote connecting plate 11 of the riser 9 are equipped with the auxiliary connection board 18 being adapted with machine case body 1, pass through welding
Or bolted mode is realized, described 18 one end of auxiliary connection board is connected with riser 9, and the other end is connected with machine case body 1, institute
State the top of riser 9, the top of auxiliary connection board 18, connecting plate 11 top between be equipped with machine case body 1 be adapted lid
Plate 19, is realized by welding or bolted mode, and riser, auxiliary connection board, connecting plate, cover board form a bottom and be equipped with
The cavity of opening.The utility model beneficial effect：The purpose of computer ventilation and heat can be preferably embodied as, and reduce calculating
Influence of the machine case radiation to user, reduces sense of discomfort, and raising uses likability.
Claims (6)
1. air guiding heat dissipation device for computer, it is characterized in that：Including computer cabinet body (1), the bottom of the machine case body (1)
Portion is equipped with footing (2), and through hole (3) is equipped with the top of the machine case body (1), blast pipe (4) is worn in the through hole (3), described
One end of blast pipe (4) is located at machine case body (1) outside and is equipped with wind turbine (5), and the wind turbine (5) is equipped with dust-break layer (6), institute
The other end for stating blast pipe (4) is passed down through through hole (3) to stretch into machine case body (1) internal and equipped with expanding fan housing (7), the cabinet
The side wall of body (1) is equipped with some ventilation holes (8), and the outside of the machine case body (1) is equipped with ventilation hole (8) position
Abat-vent, the abat-vent include the riser (9) being adapted with machine case body (1) side wall, and the riser (9), which is equipped with, inhales
Fan (10), is equipped with connecting plate (11) between the riser (9) and machine case body (1), riser (9) bottom angled is equipped with gear
Aerofoil (12), one end of the remote riser (9) of the wind shield (12) extend to footing (2) direction of machine case body (1).
2. air guiding heat dissipation device for computer according to claim 1, it is characterized in that：Being equipped with for the machine case body (1) is logical
The side wall top of air holes (8) is equipped with inverted T shaped limit sliding chutes (13), the limit sliding chutes along the top plate level of machine case body (1)
(13) side at remote machine case body (1) center is in communication with the outside, and slides and is equipped with and spacing cunning in the limit sliding chutes (13)
The adaptable inverted T shaped sliding shoe (14) of groove (13), one end of remote machine case body (1) center of the sliding shoe (14) and
Connecting plate (11) connects.
3. air guiding heat dissipation device for computer according to claim 1, it is characterized in that：The close footing of the wind shield (12)
(2) side is equipped with induced draft plate (15), and described induced draft plate (15) one end is connected with wind shield (12), and the other end is to machine case body
(1) bottom extends close to the bottom plate center position of machine case body (1).
4. air guiding heat dissipation device for computer according to claim 1, it is characterized in that：The top of the machine case body (1) is leaned on
Locating slot (16) is equipped with nearly through hole (3) position, L-type shutter (17), the shutter are equipped with the locating slot (16)
(17) bottom of vertical end is located in locating slot (16), and the horizontal ends of the shutter (17) are located above wind turbine (5) and energy
Block wind turbine (5).
5. air guiding heat dissipation device for computer according to claim 1, it is characterized in that：The remote connecting plate of the riser (9)
(11) one end is equipped with the auxiliary connection board (18) being adapted with machine case body (1), and described auxiliary connection board (18) one end is with erecting
Plate (9) connects, and the other end is connected with machine case body (1), the top of the riser (9), the top of auxiliary connection board (18), connection
The cover board (19) being adapted with machine case body (1) is equipped between the top of plate (11).
6. air guiding heat dissipation device for computer according to claim 1, it is characterized in that：The remote cabinet sheet of the riser (9)
The side wall of body (1) side is equipped with heat insulating mattress (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721228814.6U CN207281694U (en) | 2017-09-22 | 2017-09-22 | Air guiding heat dissipation device for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721228814.6U CN207281694U (en) | 2017-09-22 | 2017-09-22 | Air guiding heat dissipation device for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207281694U true CN207281694U (en) | 2018-04-27 |
Family
ID=61981777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721228814.6U Expired - Fee Related CN207281694U (en) | 2017-09-22 | 2017-09-22 | Air guiding heat dissipation device for computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207281694U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878714A (en) * | 2018-06-27 | 2018-11-23 | 芜湖盘云石磨新能源科技有限公司 | A kind of Portable lithium ion cell energy storage device |
| CN109491467A (en) * | 2018-11-13 | 2019-03-19 | 浙江东方职业技术学院（浙江东方专修学院） | A kind of dustproof cooling device of electronic computer |
| CN110941315A (en) * | 2019-11-20 | 2020-03-31 | 西安微城信息科技有限公司 | Electronic product with good heat dissipation and dust prevention effects and method thereof |
| CN114185413A (en) * | 2021-10-28 | 2022-03-15 | 河北汉光重工有限责任公司 | Target route drive equipment |
-
2017
- 2017-09-22 CN CN201721228814.6U patent/CN207281694U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878714A (en) * | 2018-06-27 | 2018-11-23 | 芜湖盘云石磨新能源科技有限公司 | A kind of Portable lithium ion cell energy storage device |
| CN109491467A (en) * | 2018-11-13 | 2019-03-19 | 浙江东方职业技术学院（浙江东方专修学院） | A kind of dustproof cooling device of electronic computer |
| CN110941315A (en) * | 2019-11-20 | 2020-03-31 | 西安微城信息科技有限公司 | Electronic product with good heat dissipation and dust prevention effects and method thereof |
| CN110941315B (en) * | 2019-11-20 | 2021-02-09 | 西安微城信息科技有限公司 | Electronic device with heat dissipation and dust prevention functions and method thereof |
| CN114185413A (en) * | 2021-10-28 | 2022-03-15 | 河北汉光重工有限责任公司 | Target route drive equipment |
| CN114185413B (en) * | 2021-10-28 | 2024-04-19 | 河北汉光重工有限责任公司 | Target route driving equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20190922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |