CN109347199B - A kind of ups power that oil field is used with metering device - Google Patents
A kind of ups power that oil field is used with metering device Download PDFInfo
- Publication number
- CN109347199B CN109347199B CN201811415333.5A CN201811415333A CN109347199B CN 109347199 B CN109347199 B CN 109347199B CN 201811415333 A CN201811415333 A CN 201811415333A CN 109347199 B CN109347199 B CN 109347199B
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- power supply
- fixedly connected
- supply box
- block
- spring
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
Abstract
The present invention relates to oilfield exploitation technical field of auxiliary equipment, and disclose a kind of ups power that oil field is used with metering device, including power supply box, the front of the power supply box bottom end is fixedly connected with supporting block, and the quantity of supporting block is two, another described supporting block is located at the back side of power supply box bottom end, the bottom end of the supporting block is fixedly connected with non-slip mat, the top movable of supporting block inner cavity side is set with screw rod, one end that the screw rod runs through and extend to the outside of supporting block is fixedly connected with crank, sliding block is movably installed in the middle part of the screw rod, and the quantity of sliding block is two.The ups power that the oil field is used with metering device, pass through being used cooperatively for motor, power supply box, heat sink and radiator fan, generated heat when power work is quickly distributed, prevent the raising of power supply box internal temperature from causing the working efficiency of power supply low, the phenomenon that aging occurs in rubber insulation.
Description
Technical field
The present invention relates to oilfield exploitation technical field of auxiliary equipment, UPS that specially a kind of oil field is used with metering device
Power supply.
Background technique
UPS is uninterruptible power supply, is that battery (mostly plumbic acid maintenance-free battery) is connected with host, passes through master
Direct current is converted into the system equipment of alternating current by the modular circuits such as machine inverter, is mainly used for single computer, computer network
The offers such as network system or other power electronic equipments such as solenoid valve, pressure transmitter stabilization, continual power supply.
Existing USP power supply can generate a large amount of heat when in use, if these heats distribute not in time
Will lead to the raising of USP power source temperature causes the working efficiency of power supply low, and heat release hole would generally be opened up on power supply box in order to radiate,
But it will lead to the dust in air in this way and enter the phenomenon for causing USP power supply short circuit occur in USP power supply, and is existing
The design of USP power supply is usually a cabinet, and inconvenient when mobile, part USP power supply is mounted with universal in bottom
Wheel, but this USP power supply is not allowed to be fixed easily when in use, thus it is proposed that a kind of oil field was used with metering device
Ups power.
Summary of the invention
The present invention provides the ups powers that a kind of oil field is used with metering device, have heat dissipation, prevent the dust in air
Into the inside of power supply, convenient for power supply carrying the advantages of, the USP power supply solved can generate largely when in use
Heat causes the working efficiency of power supply low if these heats distribute to will lead to USP power source temperature and increase not in time, in order to
Heat dissipation would generally open up heat release hole on power supply box, but will lead to the dust in air in this way and enter in USP power supply and lead to USP
The phenomenon of power supply appearance short circuit, and the design of existing USP power supply is usually a cabinet, it is very not square when mobile
Just, USP power supply in part is mounted with universal wheel in bottom, but this USP power supply does not allow the problem of being fixed easily when in use.
The invention provides the following technical scheme: the ups power that a kind of oil field is used with metering device, including power supply box, institute
The front for stating power supply box bottom end is fixedly connected with supporting block, and the quantity of supporting block is two, another described supporting block is located at
The back side of power supply box bottom end, the bottom end of the supporting block are fixedly connected with non-slip mat, and the top of supporting block inner cavity side is living
Dynamic to be set with screw rod, one end that the screw rod runs through and extend to the outside of supporting block is fixedly connected with crank, the screw rod
Middle part is movably installed with sliding block, and the quantity of sliding block is two, and two sliding blocks are symmetrical about the center line of screw rod, the cunning
Connecting rod is hinged in the middle part of block bottom end, the connecting rod is fixedly connected with movable plate, the movable plate far from one end of sliding block
Bottom end be fixedly connected with telescopic rod, the external activity of the telescopic rod is set with the first spring, and the telescopic rod is far from mobile
One end of plate is fixedly connected with movable plate, and the movable plate is fixedly connected with universal wheel, the power supply far from one end of telescopic rod
The side wall of box cavity is fixedly connected with rubber insulation, and the power supply box cavity is fixedly connected with heat sink in the middle part of bottom end, institute
It states and is fixedly installed with power supply in the middle part of power supply box cavity, the side on power supply box cavity top is fixedly connected with the top of fixed block
End, and the side of fixed block is fixedly connected with the side of power supply box cavity, the other side of the fixed block is fixedly connected with dust-proof
Net, the power supply box are fixedly connected with installs case, the fixed peace in bottom end of the installation box cavity close to the bottom of Air Filter one end
Equipped with motor, the output shaft of the motor runs through the side wall of power supply box and extends to inside and the radiator fan fixing sleeve of power supply box
It connects, the side fixing sleeve of the radiator fan is equipped with the partial gear positioned at motor output shaft one end, the radiator fan
Top is connected with the shaft positioned at power supply box cavity side, and the middle part fixing sleeve of the shaft is equipped with gear, the gear
Side fixing sleeve the link block positioned at shaft one end is housed, the side wall of the link block is wound with connecting rope, the connecting rope
One end far from link block is fixedly connected with movable block, and the quantity of movable block is two, and the middle part on the movable block top is living
Dynamic to be set with gag lever post, the top of the movable block is fixedly connected with second spring, and the quantity of second spring is two, two
The second spring is symmetrical about the middle part of gag lever post, and two second springs fix with the movable block of different location connect respectively
It connects, the movable block is fixedly connected with cleaning brush far from the side close to Air Filter, and cleaning brush is flexibly connected with Air Filter.
Preferably, the power supply box offers heat release hole close to the side of Air Filter, and on power supply box heat release hole in power supply
The side of case is uniformly distributed.
Preferably, the two sides of the screw rod offer screw thread, and the rotation direction of thread of screw rod two sides is opposite.
Preferably, the top of first spring is fixedly connected on the bottom end of movable plate, and the bottom end of the first spring is fixed
It is connected to the top of movable plate, the quantity of first spring is two, and movable set is distinguished in the inside of two the first springs
There is telescopic rod.
Preferably, the quantity of the universal wheel is four, and four universal wheels are distributed in the inside of two supporting blocks two-by-two.
Preferably, the quantity of the heat sink is three, and other two heat sink is located at power supply box cavity top
Middle part and middle part of the power supply box cavity far from Air Filter side.
Preferably, one end of the partial gear and the outer of gear are intermeshed, and partial gear is located at gear
Underface.
Preferably, the side wall of the link block opens up fluted, and the quantity of the groove on link block is two, two institutes
The groove for stating link block is fixedly connected to connecting rope.
Preferably, the second spring is fixedly connected far from one end of movable block with fixed block, and the internal diameter of second spring
Value is greater than the outer diameter value of gag lever post, and the internal activity of the second spring is set with gag lever post.
The present invention have it is following the utility model has the advantages that
1, the ups power that the oil field is used with metering device passes through power supply box, supporting block, screw rod, sliding block, connecting rod, shifting
Movable plate, telescopic rod, the first spring and universal wheel are used cooperatively, and are enabled universal wheel when needing mobile electrical power box
It is taken out from supporting block, is moved easily power supply box, and the first spring and telescopic rod are used cooperatively, so that power supply box is being moved through
It reduces and shakes in journey, without withdrawing universal wheel when mobile electrical power box.
2, the ups power that the oil field is used with metering device passes through motor, power supply box, heat sink and radiator fan
It is used cooperatively, generated heat when power work is quickly distributed, prevent power supply box internal temperature from increasing
Cause the working efficiency of power supply low, the phenomenon that aging occurs in rubber insulation.
3, the ups power that the oil field is used with metering device passes through Air Filter, partial gear, gear, link block, company
Splicing, movable block, gag lever post, second spring, motor and cleaning brush are used cooperatively, so that heat release hole enters from power supply box
Dust inside to power supply box is all intercepted by Air Filter, and motor at work can also with cleaning brush to Air Filter into
Row cleaning.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention schematic side view；
Fig. 3 is structure of the invention gear schematic side view；
Fig. 4 is partial enlargement diagram at structure of the invention A.
In figure: 1, power supply box；2, supporting block；3, non-slip mat；4, screw rod；5, crank；6, sliding block；7, connecting rod；8, mobile
Plate；9, telescopic rod；10, the first spring；11, movable plate；12, universal wheel；13, rubber insulation；14, heat sink；15, power supply；
16, fixed block；17, Air Filter；18, installs case；19, motor；20, radiator fan；21, partial gear；22, shaft；23, tooth
Wheel；24, link block；25, connecting rope；26, movable block；27, gag lever post；28, second spring；29, cleaning brush.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of ups power that oil field is used with metering device, including power supply box 1 are please referred to, power supply box 1 is close to anti-
The side of dirt net 17 offers heat release hole, and heat release hole is uniformly distributed in the side of power supply box 1 on power supply box 1, by power supply
Heat release hole is opened up on case 1, then mixes the use of radiator fan 20, and the heat that power supply 15 is generated when working is cracking to be dissipated
It sends out, prevents the raising of 1 internal temperature of power supply box from causing the working efficiency of power supply 15 low, showing for aging occurs in rubber insulation 13
As the front of 1 bottom end of power supply box is fixedly connected with supporting block 2, and the quantity of supporting block 2 is two, another supporting block 2 is located at
The back side of 1 bottom end of power supply box, the bottom end of supporting block 2 are fixedly connected with non-slip mat 3, the top movable set of 2 inner cavity side of supporting block
Equipped with screw rod 4, the two sides of screw rod 4 offer screw thread, and the rotation direction of thread of 4 two sides of screw rod is on the contrary, by screw rod 4
Two sides open up two kinds of different screw threads of rotation direction, screw rod 4 are interacted when rotation with sliding block 6, so that two
Sliding block 6 is moved to the middle part of screw rod 4 simultaneously, and movable plate 8 is driven to move downward, to allow universal wheel 12 from the inside of supporting block 2
Expose, one end that screw rod 4 runs through and extend to the outside of supporting block 2 is fixedly connected with crank 5, the middle part movable set of screw rod 4
There is sliding block 6, and the quantity of sliding block 6 is two, two sliding blocks 6 are symmetrical about the center line of screw rod 4, the middle part hinge of 6 bottom end of sliding block
It is connected to connecting rod 7, connecting rod 7 is fixedly connected with movable plate 8 far from one end of sliding block 6, and the bottom end of movable plate 8, which is fixedly connected with, stretches
Contracting bar 9, the external activity of telescopic rod 9 are set with the first spring 10, and the top of the first spring 10 is fixedly connected on the bottom of movable plate 8
End, and the bottom end of the first spring 10 is fixedly connected on the top of movable plate 11, the quantity of the first spring 10 is two, and two the
The inside of one spring 10 is movably installed with telescopic rod 9 respectively, by being used cooperatively between the first spring 10 and telescopic rod 9, makes
When obtaining through 12 mobile electrical power box 1 of universal wheel, the shaking of power supply box 1 can be reduced to unfavorable shadow caused by power supply 15
It rings, telescopic rod 9 is fixedly connected with movable plate 11 far from one end of movable plate 8, and the one end of movable plate 11 far from telescopic rod 9 is fixed to be connected
It is connected to universal wheel 12, the quantity of universal wheel 12 is four, and four universal wheels 12 are distributed in the inside of two supporting blocks 2 two-by-two,
By preventing universal wheel 12 in the inside of supporting block 2, only need to release universal wheel 12 i.e. when needing mobile electrical power box 1
Power supply box 1 can be pushed mobile, power supply box 1, which withdraws universal wheel 12 when being moved to designated position, leans on supporting block 2 by power supply
Case 1 supports, and the side wall of 1 inner cavity of power supply box is fixedly connected with rubber insulation 13, and power supply box is fixedly connected in the middle part of 1 inner cavity bottom end
There is heat sink 14, the quantity of heat sink 14 is three, and other two heat sink 14 is located in 1 inner cavity top of power supply box
Portion and middle part of 1 inner cavity of power supply box far from 17 side of Air Filter are made by the way that heat sink 14 is fixedly mounted in the inside of power supply box 1
Obtaining the heat that power supply 15 generates at work can pass to heat sink 14 on the shell of power supply box 1 and by power supply box 1
Heat release hole discharged with radiator fan 20, power supply 15,1 inner cavity top of power supply box are fixedly installed in the middle part of 1 inner cavity of power supply box
Side be fixedly connected with the top of fixed block 16, and the side of fixed block 16 is fixedly connected with the side of 1 inner cavity of power supply box, Gu
The other side for determining block 16 is fixedly connected with Air Filter 17, and power supply box 1 is fixedly connected with installation close to the bottom of 17 one end of Air Filter
Case 18, the bottom end of 18 inner cavity of installs case are fixedly installed with motor 19, side wall and extension of the output shaft of motor 19 through power supply box 1
It is fixedly attached to the inside of power supply box 1 with radiator fan 20, the side fixing sleeve of radiator fan 20, which is equipped with, is located at the output of motor 19
The partial gear 21 of axis one end, one end of partial gear 21 and the outer of gear 23 are intermeshed, and partial gear 21
Positioned at the underface of gear 23, by being used cooperatively for partial gear 21 and gear 23 and link block 24, so that motor 19
Half-turn is inverted again after 23 half rotation of gear can be driven when work, and the top of radiator fan 20 is connected with position
The middle part fixing sleeve of shaft 22 in 1 inner cavity side of power supply box, shaft 22 is equipped with gear 23, and the side fixing sleeve of gear 23 is equipped with
Link block 24 positioned at 22 one end of shaft, the side wall of link block 24 open up fluted, and the quantity of the groove on link block 24 is
Two, the groove of two link blocks 24 is fixedly connected to connecting rope 25, by link block 24, connecting rope 25, movable block 26 with
And being used cooperatively between second spring, it will drive link block 24 when so that gear 23 is with the rotation of partial gear 21 and revolve
Turn in the groove for being wound into connecting rope 25 on link block 24 and pull movable block 26 to move downward while stretching second spring 28,
Movable block 26 resets under the elastic force effect of second spring 28 when partial gear 21 and out of mesh gear 23, link block
24 side wall is wound with connecting rope 25, and connecting rope 25 is fixedly connected with movable block 26, and movable block far from one end of link block 24
26 quantity is two, is movably installed with gag lever post 27 in the middle part of 26 top of movable block, the top of movable block 26 is fixedly connected with
Second spring 28, the one end of second spring 28 far from movable block 26 is fixedly connected with fixed block 16, and the internal diameter of second spring 28
Value is greater than the outer diameter value of gag lever post 27, and the internal activity of second spring 28 is set with gag lever post 27, passes through second spring 28 and limit
Position bar 27 is used cooperatively, so that movable block 26 can carry out reset behaviour by the elastic force of second spring 28 after moving downward
Make, and the quantity of second spring 28 is two, two second springs 28 are symmetrical about the middle part of gag lever post 27, and two the second bullets
Spring 28 is fixedly connected with the movable block of different location 26 respectively, and movable block 26 is fixedly connected with far from the side close to Air Filter 17
Cleaning brush 29, and cleaning brush 29 is flexibly connected with Air Filter 17.
The inside that working principle, first power supply 15 are fixedly installed to power supply box 1, rotation crank 5 drive screw rod 4 to rotate, with
The rotation of screw rod 4, two sliding blocks 6 moved to the middle part of screw rod 4 and drive the movement of connecting rod 7 by universal wheel 12 from supporting block 2
Middle taking-up pushes power supply box 1, and crank 5 is reversely rotated when power supply box 1 moves to designated position and is recovered to universal wheel 12
The inside of supporting block 2, then opens the power supply of motor 19, and the output shaft of motor 19 drives radiator fan 20 and partial gear 21
Rotation, while gear 23 rotates under the drive of partial gear 21 and the rotation of link block 24 is driven to make 25 company of being wound into of connecting rope
It connects in the groove on block 24 and pulls movable block 26 to move downward while stretching second spring 28, when partial gear 21 and gear
23 it is out of mesh when movable block 26 second spring 28 elastic force effect under reset, cleaning brush 29 is to Air Filter in the process
17 are cleaned.
Claims (9)
1. the ups power that a kind of oil field is used with metering device, including power supply box (1), it is characterised in that: the power supply box (1)
The front of bottom end is fixedly connected with supporting block (2), and the quantity of supporting block (2) is two, another described supporting block (2) is located at
The bottom end at the back side of power supply box (1) bottom end, the supporting block (2) is fixedly connected with non-slip mat (3), supporting block (2) inner cavity
The top movable of side is set with screw rod (4), and the one end for the outside that the screw rod (4) runs through and extends to supporting block (2) is fixed
It is connected with crank (5), is movably installed with sliding block (6) in the middle part of the screw rod (4), and the quantity of sliding block (6) is two, two institutes
The center line that sliding block (6) is stated about screw rod (4) is symmetrical, is hinged with connecting rod (7), the company in the middle part of sliding block (6) bottom end
Extension bar (7) is fixedly connected with movable plate (8) far from the one end of sliding block (6), and the bottom end of the movable plate (8) is fixedly connected with flexible
The external activity of bar (9), the telescopic rod (9) is set with the first spring (10), and the telescopic rod (9) is far from movable plate (8)
One end is fixedly connected with movable plate (11), and the movable plate (11) is fixedly connected with universal wheel far from the one end of telescopic rod (9)
(12), the side wall of power supply box (1) inner cavity is fixedly connected with rubber insulation (13), power supply box (1) the inner cavity bottom end
Middle part is fixedly connected with heat sink (14), is fixedly installed with power supply (15), the power supply box in the middle part of power supply box (1) inner cavity
(1) side on inner cavity top is fixedly connected with the top of fixed block (16), and the side of fixed block (16) and power supply box (1) inner cavity
Side be fixedly connected, the other side of the fixed block (16) is fixedly connected with Air Filter (17), and the power supply box (1) is close to anti-
The bottom of dirt net (17) one end is fixedly connected with installs case (18), and the bottom end of installs case (18) inner cavity is fixedly installed with motor
(19), the output shaft of the motor (19) runs through the side wall of power supply box (1) and extends to inside and the radiator fan of power supply box (1)
(20) it is fixedly attached, the side fixing sleeve of the radiator fan (20) is equipped with the incomplete tooth positioned at motor (19) output shaft one end
It takes turns (21), is connected with the shaft (22) positioned at power supply box (1) inner cavity side above the radiator fan (20), described turn
The middle part fixing sleeve of axis (22) is equipped with gear (23), and the side fixing sleeve of the gear (23) is equipped with positioned at shaft (22) one end
The side wall of link block (24), the link block (24) is wound with connecting rope (25), and the connecting rope (25) is far from link block (24)
One end be fixedly connected with movable block (26), and the quantity of movable block (26) be two, the middle part on movable block (26) top
It is movably installed with gag lever post (27), the top of the movable block (26) is fixedly connected with second spring (28), and second spring
(28) quantity is two, and two second springs (28) are symmetrical about the middle part of gag lever post (27), and two second springs
(28) it is fixedly connected respectively with the movable block of different location (26), the movable block (26) is far from the side close to Air Filter (17)
It is fixedly connected with cleaning brush (29), and cleaning brush (29) is flexibly connected with Air Filter (17).
2. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: the power supply
Case (1) offers heat release hole close to the side of Air Filter (17), and heat release hole is equal in the side of power supply box (1) on power supply box (1)
Even distribution.
3. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: the screw rod
(4) two sides offer screw thread, and the rotation direction of thread of screw rod (4) two sides is opposite.
4. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: described first
The top of spring (10) is fixedly connected on the bottom end of movable plate (8), and the bottom end of the first spring (10) is fixedly connected on movable plate
(11) top, the quantity of first spring (10) is two, and movable set is distinguished in the inside of two the first springs (10)
There are telescopic rod (9).
5. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: described universal
The quantity for taking turns (12) is four, and four universal wheels (12) are distributed in the inside of two supporting blocks (2) two-by-two.
6. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: the heat dissipation
The quantity of plate (14) is three, and other two heat sink (14) is located at middle part and the power supply on power supply box (1) inner cavity top
Middle part of case (1) inner cavity far from Air Filter (17) side.
7. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: described endless
The outer of one end of all gear (21) and gear (23) is intermeshed, and partial gear (21) be located at gear (23) just under
Side.
8. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: the connection
The side wall of block (24) opens up fluted, and the quantity of the groove on link block (24) is two, two link blocks (24)
Groove is fixedly connected to connecting rope (25).
9. the ups power that a kind of oil field according to claim 1 is used with metering device, it is characterised in that: described second
Spring (28) is fixedly connected far from the one end of movable block (26) with fixed block (16), and the inner diameter values of second spring (28) are greater than limit
The outer diameter value of position bar (27), the internal activity of the second spring (28) are set with gag lever post (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415333.5A CN109347199B (en) | 2018-11-26 | 2018-11-26 | A kind of ups power that oil field is used with metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415333.5A CN109347199B (en) | 2018-11-26 | 2018-11-26 | A kind of ups power that oil field is used with metering device |
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| CN109347199A CN109347199A (en) | 2019-02-15 |
| CN109347199B true CN109347199B (en) | 2019-11-12 |
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| CN201811415333.5A Active CN109347199B (en) | 2018-11-26 | 2018-11-26 | A kind of ups power that oil field is used with metering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110515439B (en) * | 2019-08-29 | 2020-06-19 | 南京江北人民医院 | Dustproof heat dissipation system of big data server |
| CN110729261B (en) * | 2019-11-18 | 2022-04-08 | 湖南中部芯谷科技有限公司 | Heat dissipation assembly for industrial electronic component test |
| CN112002150B (en) * | 2020-09-04 | 2022-02-01 | 西安文理学院 | Walking mechanism of image processing machine learning equipment |
| CN112203474A (en) * | 2020-09-29 | 2021-01-08 | 深圳市千里智能控制科技有限公司 | AGV four-axis motion controller |
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| CN207801254U (en) * | 2017-12-26 | 2018-08-31 | 广州侨天智能科技有限公司 | A kind of distribution box with dust-proof radiating function |
| CN108233230A (en) * | 2018-01-16 | 2018-06-29 | 佛山杰致信息科技有限公司 | A kind of power distribution cabinet with heat sinking function |
| CN207762451U (en) * | 2018-01-29 | 2018-08-24 | 商丘工学院 | A kind of computer host box pedestal easy to remove |
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| CN109347199A (en) | 2019-02-15 |
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Effective date of registration: 20191010 Address after: 163000 No. 79 Zhongxing North Street, Saertu District, Daqing, Heilongjiang. Applicant after: Longhe Electric Equipment Co., Ltd. Address before: Room 103, Unit 2, Building 8, Tangren Central District, Jeanhu Road District, Daqing City, Heilongjiang Province Applicant before: Sun Shao Wu |
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