CN109168291A - A kind of reciprocal deflection formula electrical cabinet radiator structure - Google Patents

A kind of reciprocal deflection formula electrical cabinet radiator structure Download PDF

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Publication number
CN109168291A
CN109168291A CN201810962576.4A CN201810962576A CN109168291A CN 109168291 A CN109168291 A CN 109168291A CN 201810962576 A CN201810962576 A CN 201810962576A CN 109168291 A CN109168291 A CN 109168291A
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CN
China
Prior art keywords
fixedly connected
cabinet body
cabinet
radiator structure
radiator
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Pending
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CN201810962576.4A
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Chinese (zh)
Inventor
李娟�
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN201810962576.4A priority Critical patent/CN109168291A/en
Publication of CN109168291A publication Critical patent/CN109168291A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209Thermal management, e.g. fan control

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of reciprocal deflection formula electrical cabinet radiator structures, including cabinet body, cabinet body lower left is fixedly connected with motor, motor output end is fixedly connected with horizontal rotating shaft, several heat release holes are offered on the outside of cabinet body, radiator shutter is connected with through cabinet body on the right side of the horizontal rotating shaft, the horizontal rotating shaft right end is fixedly connected with drive bevel gear, longitudinal screw is rotatably connected to by second bearing frame on the right side of interior of the cabinet, longitudinal screw bottom is fixedly connected with driven wheel of differential, driven wheel of differential is meshed with drive bevel gear, the longitudinal screw outside screw is connected with swivel nut, the first radiator fan is fixedly connected on the inside of swivel nut, cross brace is fixedly connected on the right side of swivel nut.Compared with prior art, the beneficial effects of the present invention are: the configuration of the present invention is simple, easy to use, moved back and forth heat dissipation by multiple radiator fans when in use, ensure the radiating efficiency on the inside of device, to effectively promote the service life of electrical component in electrical cabinet.

Description

A kind of reciprocal deflection formula electrical cabinet radiator structure
Technical field
The present invention relates to a kind of electrical cabinet, specifically a kind of reciprocal deflection formula electrical cabinet radiator structure.
Background technique
Currently, with the rapid development of power technology, outdoor electric cabinet, power distribution cabinet etc. these for meeting each electric appliances member The cabinet tool that part is installed also obtains sufficient development, internal that a large amount of power components are housed, internal when due to electric power cabinet work Amount of heat will be generated, be easy to make the electric elements inside electric power cabinet to damage so that generate unnecessary power outage and Loss.
Conventional power equipment, since electric power cabinet inner air flowing property is poor, is caused by offering radiator window heat dissipation Radiating efficiency is low, although realizing the circulation of air equipped with the electric power cabinet of blower, improves radiating efficiency, due to position of radiating The limitation set, so that heat dissipation effect can not reach optimum state.
Those skilled in the art propose a kind of reciprocal deflection formula electrical cabinet radiator structure thus, to solve in above-mentioned background The problem of proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of reciprocal deflection formula electrical cabinet radiator structures, to solve in above-mentioned background technique The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of reciprocal deflection formula electrical cabinet radiator structure, including cabinet body, cabinet body lower left are fixedly connected with motor, motor output end It is fixedly connected with horizontal rotating shaft, several heat release holes are offered on the outside of cabinet body, are connected on the right side of the horizontal rotating shaft through cabinet body scattered Hot blade, the horizontal rotating shaft right end are fixedly connected with drive bevel gear, are connected on the right side of interior of the cabinet by the rotation of second bearing frame It is connected to longitudinal screw, longitudinal screw bottom is fixedly connected with driven wheel of differential, and driven wheel of differential is meshed with drive bevel gear, institute It states longitudinal screw outside screw and is connected with swivel nut, the first radiator fan is fixedly connected on the inside of swivel nut, is fixedly connected on the right side of swivel nut There is cross brace, cross brace is slidably connected with cabinet body, rotating forward switch is fixedly connected with above the second bearing frame of lower section, on Reversal switch is fixedly connected with below Fang Suoshu second bearing frame, rotate forward switch and reversal switch respectively with cross brace both ends phase Cooperation;It is fixedly connected with crank throw on the left of the horizontal rotating shaft, first connecting rod is rotatably connected to above crank throw, is turned above first connecting rod It is dynamic to be connected with second connecting rod, it is fixedly connected with kicker baffle below interior of the cabinet, kicker baffle is slidably connected with second connecting rod, institute It states and is fixedly connected with the second radiator fan in the middle part of second connecting rod, that draws above second connecting rod is connected with sliding sleeve, sliding sleeve and the It is placed with spring between two connecting rods, is fixedly connected with third radiator fan at the top of the sliding sleeve.
As a further solution of the present invention: the bottom of cabinet bulk bilateral symmetry is fixedly connected with installation angle bar, established angle It is welded to connect between iron and cabinet body.
As further scheme of the invention: bilateral symmetry is fixedly connected with longitudinal upright bar at the top of the cabinet body, longitudinal Rain visor is fixedly connected at the top of upright bar.
As further scheme of the invention: being fixedly connected with cover on the outside of the motor, cover passes through bolt and cabinet Body is fixedly connected.
As further scheme of the invention: being fixedly connected with first axle bolster on the right side of the interior of the cabinet, level turns Axis and first axle bolster are rotatablely connected.
As further scheme of the invention: being rotatably connected to cabinet door on front side of the cabinet body, cabinet door passes through lock and cabinet Body is sealed, and middle part is fixedly connected with handle on front side of the cabinet door.
As further scheme of the invention: the active conical tooth wheel diameter is greater than driven wheel of differential diameter.
As further scheme of the invention: the motor is three phase alternating current motor, and the motor is by rotating forward switch It is electrically connected with the power supply with reversal switch.
As further scheme of the invention: the spring is pressure spring, and the spring materials are metal material.
As further scheme of the invention: first radiator fan, the second radiator fan and third radiator fan It is electrically connected with the power supply respectively by switch.
Compared with prior art, the beneficial effects of the present invention are: the configuration of the present invention is simple, easy to use, lead to when in use Multiple radiator fans are crossed to move back and forth heat dissipation, it is ensured that the radiating efficiency on the inside of device, to effectively promote electricity in electrical cabinet The service life of gas element, is worthy to be popularized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of reciprocal deflection formula electrical cabinet radiator structure;
Fig. 2 is a kind of schematic cross-sectional view of reciprocal deflection formula electrical cabinet radiator structure;
Fig. 3 is partial enlarged view at I in a kind of reciprocal deflection formula electrical cabinet radiator structure.
In figure: 1- cabinet body, 2- installation angle bar, the upright bar of the longitudinal direction 3-, 4- rain visor, 5- motor, 6- cover, 7- horizontal rotating shaft, 8- first axle bolster, 9- heat release hole, 10- radiator shutter, 11- drive bevel gear, 12- second bearing frame, 13- driven wheel of differential, 14- swivel nut, the first radiator fan of 15-, 16- cross brace, 17- rotate forward switch, 18- reversal switch, 19- crank throw, 20- first connect Bar, 21- second connecting rod, 22- kicker baffle, the second radiator fan of 23-, 24- sliding sleeve, 25- spring, 26- third radiator fan, 27- cabinet door, 28- handle, 29- lock, 30- longitudinal screw.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
A kind of reciprocal deflection formula electrical cabinet radiator structure referring to FIG. 1-2, including cabinet body 1,1 lower left of cabinet body is fixed to be connected It is connected to motor 5,5 output end of motor is fixedly connected with horizontal rotating shaft 7, and several heat release holes 9, the level are offered on the outside of cabinet body 1 It is connected with radiator shutter 10 through cabinet body 1 on the right side of shaft 7,7 right end of horizontal rotating shaft is fixedly connected with drive bevel gear 11, cabinet 1 inner right side of body is rotatably connected to longitudinal screw 30 by second bearing frame 12, and 30 bottom of longitudinal screw is fixedly connected with driven Bevel gear 13, driven wheel of differential 13 are meshed with drive bevel gear 11, and 30 outside screw of longitudinal screw is connected with swivel nut 14, It is fixedly connected with the first radiator fan 15 on the inside of swivel nut 14, cross brace 16, cross brace 16 are fixedly connected on the right side of swivel nut 14 It is slidably connected with cabinet body 1, is fixedly connected with above the second bearing frame 12 of lower section and rotates forward switch 17, the top second bearing It is fixedly connected with reversal switch 18 below frame 12, rotates forward switch 17 and reversal switch 18 and matches respectively with 16 both ends of cross brace It closes;
Motor 5 is opened when use, the rotation of motor 5 drives horizontal rotating shaft 7 to rotate, and the rotation of horizontal rotating shaft 7 can drive radiator shutter 10 rotations are radiated, while the rotation of drive bevel gear 11 drives driven wheel of differential 13 to rotate, and driven wheel of differential 13 drives longitudinal direction Screw rod 30 rotates, and the rotation of longitudinal screw 30 can be moved with movable snail sleeve 14, the direction of motion of swivel nut 14 by motor 5 rotation direction It determines, swivel nut 14, which moves upwards the first radiator fan 15 of drive and moves upwards, to radiate, the cross brace when moving to top 16 compression and inverse switches 18, motor 5 are moved downward anyway, are radiated, and touching rotates forward switch 17 when moving to bottommost, are realized It moves back and forth;
Fig. 2-3 is please referred to, crank throw 19 is fixedly connected on the left of the horizontal rotating shaft 7, the first company is rotatably connected to above crank throw 19 Bar 20 is rotatably connected to second connecting rod 21 above first connecting rod 20, and 1 lower inside of cabinet body is fixedly connected with kicker baffle 22, leads It is slidably connected to partition 22 and second connecting rod 21, is fixedly connected with the second radiator fan 23 in the middle part of the second connecting rod 21, second That draws above connecting rod 22 is connected with sliding sleeve 24, and spring 25, the sliding sleeve are placed between sliding sleeve 24 and second connecting rod 21 24 tops are fixedly connected with third radiator fan 26;
When horizontal rotating shaft 7 rotates, crank throw 19 drives first connecting rod 20 and second connecting rod 21 to move, the movement side of second connecting rod 21 It only radiates to pump, then driving the second radiator fan 23 to pump, it is sliding when pumping Dynamic set 24 pumps, but carrying out limit with the extruding of cabinet body 1 during being moved upwards due to third radiator fan 26 is made The stroke that must be moved up and down is shorter, can carry out emphasis heat dissipation to certain regional location.
1 bottom of the cabinet body bilateral symmetry is fixedly connected with installation angle bar 2, installs the company of welding between angle bar 2 and cabinet body 1 It connects.
The 1 top bilateral symmetry of cabinet body is fixedly connected with longitudinal upright bar 3, is fixedly connected with rain cover at the top of longitudinal upright bar 3 Plate 4.
Cover 6 is fixedly connected on the outside of the motor 5, cover 6 is fixedly connected by bolt with cabinet body 1.
1 inner right side of cabinet body is fixedly connected with first axle bolster 8, and horizontal rotating shaft 7 and the rotation of first axle bolster 8 connect It connects.
Cabinet door 27 is rotatably connected on front side of the cabinet body 1, cabinet door 27 passes through 29, the cabinet doors 27 sealed with cabinet body 1 of lock Handle 28 is fixedly connected in the middle part of front side.
11 diameter of drive bevel gear is greater than 13 diameter of driven wheel of differential.
The motor 5 is three phase alternating current motor, and the motor 5 is electrical by rotating forward switch 17 and reversal switch 18 and power supply Connection.
The spring 25 is pressure spring, and 25 material of spring is metal material.
First radiator fan 15, the second radiator fan 23 and third radiator fan 26 pass through switch and power supply electricity respectively Property connection.
The working principle of the invention is: the present invention opens motor 5 when in use, and the rotation of motor 5 drives 7 turns of horizontal rotating shaft Dynamic, the rotation of horizontal rotating shaft 7 can drive the rotation of radiator shutter 10 to radiate, while the rotation of drive bevel gear 11 drives from mantle Gear 13 rotates, and driven wheel of differential 13 drives longitudinal screw 30 to rotate, and the rotation of longitudinal screw 30 can be moved with movable snail sleeve 14, spiral shell The direction of motion of set 14 is determined that swivel nut 14, which moves upwards, drives the first radiator fan 15 to move upwards by the rotation direction of motor 5 It radiates, the 16 compression and inverse switch 18 of cross brace when moving to top, motor 5 is moved downward anyway, radiated, and is transported Touching rotates forward switch 17 when moving to bottommost, realizes and moves back and forth, when horizontal rotating shaft 7 rotates, the drive first connecting rod of crank throw 19 20 move with second connecting rod 21, and the direction of motion of second connecting rod 21 is to pump, and then drive the second radiator fan 23 It pumps and only radiates, when pumping, sliding sleeve 24 pumps, but due to third radiator fan 26 move upwards during limited with the extruding of cabinet body 1 so that the stroke to move up and down is shorter, certain regional location can be carried out Emphasis heat dissipation.
It should be strongly noted that the positive and negative application for switching to the prior art of motor 5 in the application.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of reciprocal deflection formula electrical cabinet radiator structure, including cabinet body (1), cabinet body (1) lower left is fixedly connected with motor (5), motor (5) output end is fixedly connected with horizontal rotating shaft (7), offers several heat release holes (9), the water on the outside of cabinet body (1) Radiator shutter (10) are connected with through cabinet body (1) on the right side of flat turn axis (7), which is characterized in that horizontal rotating shaft (7) right end is fixed It being connected with drive bevel gear (11), cabinet body (1) inner right side is rotatably connected to longitudinal screw (30) by second bearing frame (12), Longitudinal screw (30) bottom is fixedly connected with driven wheel of differential (13), and driven wheel of differential (13) is mutually nibbled with drive bevel gear (11) It closes, longitudinal screw (30) outside screw is connected with swivel nut (14), is fixedly connected with the first radiator fan on the inside of swivel nut (14) (15), it is fixedly connected with cross brace (16) on the right side of swivel nut (14), cross brace (16) is slidably connected with cabinet body (1), lower section institute It states and is fixedly connected with rotating forward switch (17) above second bearing frame (12), be fixedly connected below the second bearing frame (12) of top Have reversal switch (18), rotates forward switch (17) and matched respectively with cross brace (16) both ends with reversal switch (18);The water It is fixedly connected with crank throw (19) on the left of flat turn axis (7), is rotatably connected to first connecting rod (20), first connecting rod above crank throw (19) (20) top is rotatably connected to second connecting rod (21), and cabinet body (1) lower inside is fixedly connected with kicker baffle (22), kicker baffle (22) it is slidably connected with second connecting rod (21), is fixedly connected with the second radiator fan (23) in the middle part of the second connecting rod (21), the That draws above two connecting rods (22) is connected with sliding sleeve (24), is placed with spring between sliding sleeve (24) and second connecting rod (21) (25), third radiator fan (26) are fixedly connected at the top of the sliding sleeve (24).
2. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1, which is characterized in that the cabinet body (1) Bottom bilateral symmetry is fixedly connected with installation angle bar (2), installs and is welded to connect between angle bar (2) and cabinet body (1).
3. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1, which is characterized in that the cabinet body (1) Top bilateral symmetry is fixedly connected with longitudinal upright bar (3), is fixedly connected with rain visor (4) at the top of longitudinal upright bar (3).
4. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1, which is characterized in that the motor (5) Outside is fixedly connected with cover (6), and cover (6) is fixedly connected by bolt with cabinet body (1).
5. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1 to 3, which is characterized in that the cabinet Body (1) inner right side is fixedly connected with first axle bolster (8), and horizontal rotating shaft (7) and first axle bolster (8) are rotatablely connected.
6. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1, which is characterized in that the cabinet body (1) Front side is rotatably connected to cabinet door (27), and cabinet door (27) is sealed by lock (29) and cabinet body (1), middle part on front side of the cabinet door (27) It is fixedly connected with handle (28).
7. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1 or 6, which is characterized in that the active Bevel gear (11) diameter is greater than driven wheel of differential (13) diameter.
8. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 7, which is characterized in that the motor (5) For three phase alternating current motor, the motor (5) is electrically connected with the power supply by rotating forward switch (17) with reversal switch (18).
9. a kind of reciprocal deflection formula electrical cabinet radiator structure according to claim 1, which is characterized in that the spring (25) For pressure spring, spring (25) material is metal material.
10. a kind of reciprocal deflection formula electrical cabinet radiator structure described according to claim 1 or 4 or 9, which is characterized in that described First radiator fan (15), the second radiator fan (23) are electrically connected by switch with power supply respectively with third radiator fan (26) It connects.
CN201810962576.4A 2018-08-22 2018-08-22 A kind of reciprocal deflection formula electrical cabinet radiator structure Pending CN109168291A (en)

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CN201810962576.4A CN109168291A (en) 2018-08-22 2018-08-22 A kind of reciprocal deflection formula electrical cabinet radiator structure

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CN201810962576.4A CN109168291A (en) 2018-08-22 2018-08-22 A kind of reciprocal deflection formula electrical cabinet radiator structure

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109831894A (en) * 2019-01-23 2019-05-31 广州市易度软件开发有限公司 A kind of heat radiating type machine box for server with shock-absorbing function
CN110595522A (en) * 2019-10-28 2019-12-20 安徽天康(集团)股份有限公司 Automatic constant temperature instrument cabinet
CN111884053A (en) * 2020-07-23 2020-11-03 镇江默勒电器有限公司 Intelligent low-voltage power distribution system based on big data cloud platform
CN112928661A (en) * 2021-02-05 2021-06-08 塔里木大学 Multi-functional heat abstractor for power equipment
CN112954988A (en) * 2021-04-23 2021-06-11 李松会 Regulator cubicle convenient to heat dissipation
CN112994341A (en) * 2021-02-27 2021-06-18 袁莹 Food processing baking equipment in adjustable wind channel
CN113443278A (en) * 2021-06-29 2021-09-28 赵海祥 Fertilizer strorage device for afforestation
CN113612682A (en) * 2021-08-27 2021-11-05 成都老鹰信息技术有限公司 Multi-functional thing networking gateway that industrial production used
CN114042900A (en) * 2021-11-09 2022-02-15 王清华 Automatic molten aluminum casting machine
CN114447808A (en) * 2022-01-07 2022-05-06 常州创捷电气科技有限公司 Multifunctional electrical cabinet and use method thereof
CN115832903A (en) * 2022-09-21 2023-03-21 保定铭硕电气设备制造有限公司 Cabinet body structure of high-power supply cabinet

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CN107247500A (en) * 2017-08-01 2017-10-13 深圳柒祁祺商贸有限公司 A kind of computer host box that heat sinking function is cooled down with specific aim
CN107275959A (en) * 2017-08-10 2017-10-20 深圳荣奥通网络信息技术有限公司 A kind of heat radiating type electric power cabinet that refrigerating function is oriented with specific aim
CN206877261U (en) * 2017-06-13 2018-01-12 高攀 A kind of computer host box removable heat dissipation base
CN207282966U (en) * 2017-06-28 2018-04-27 天津市希格玛电气有限公司 A kind of heat radiating type comprehensive distribution box
CN108247893A (en) * 2017-12-23 2018-07-06 王涵 A kind of environmental protection recycles melting plant with plastic bottle

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Publication number Priority date Publication date Assignee Title
US6213063B1 (en) * 1998-09-14 2001-04-10 Honda Giken Kogyo Kabushiki Kaisha Engine water pump structure
CN206877261U (en) * 2017-06-13 2018-01-12 高攀 A kind of computer host box removable heat dissipation base
CN207282966U (en) * 2017-06-28 2018-04-27 天津市希格玛电气有限公司 A kind of heat radiating type comprehensive distribution box
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109831894A (en) * 2019-01-23 2019-05-31 广州市易度软件开发有限公司 A kind of heat radiating type machine box for server with shock-absorbing function
CN110595522A (en) * 2019-10-28 2019-12-20 安徽天康(集团)股份有限公司 Automatic constant temperature instrument cabinet
CN111884053A (en) * 2020-07-23 2020-11-03 镇江默勒电器有限公司 Intelligent low-voltage power distribution system based on big data cloud platform
CN112928661A (en) * 2021-02-05 2021-06-08 塔里木大学 Multi-functional heat abstractor for power equipment
CN112928661B (en) * 2021-02-05 2023-05-19 博方电气有限公司 Multifunctional heat dissipation device for power equipment
CN112994341B (en) * 2021-02-27 2021-12-17 无锡市金城环保炊具设备有限公司 Food processing baking equipment in adjustable wind channel
CN112994341A (en) * 2021-02-27 2021-06-18 袁莹 Food processing baking equipment in adjustable wind channel
CN112954988A (en) * 2021-04-23 2021-06-11 李松会 Regulator cubicle convenient to heat dissipation
CN113443278A (en) * 2021-06-29 2021-09-28 赵海祥 Fertilizer strorage device for afforestation
CN113612682A (en) * 2021-08-27 2021-11-05 成都老鹰信息技术有限公司 Multi-functional thing networking gateway that industrial production used
CN114042900A (en) * 2021-11-09 2022-02-15 王清华 Automatic molten aluminum casting machine
CN114447808A (en) * 2022-01-07 2022-05-06 常州创捷电气科技有限公司 Multifunctional electrical cabinet and use method thereof
CN114447808B (en) * 2022-01-07 2024-02-20 常州创捷电气科技有限公司 Multifunctional electrical cabinet and application method thereof
CN115832903A (en) * 2022-09-21 2023-03-21 保定铭硕电气设备制造有限公司 Cabinet body structure of high-power supply cabinet

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Application publication date: 20190108