CN113692201A - Zero line current eliminating device - Google Patents

Zero line current eliminating device Download PDF

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Publication number
CN113692201A
CN113692201A CN202111015348.4A CN202111015348A CN113692201A CN 113692201 A CN113692201 A CN 113692201A CN 202111015348 A CN202111015348 A CN 202111015348A CN 113692201 A CN113692201 A CN 113692201A
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CN
China
Prior art keywords
box
host
water
current
host machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111015348.4A
Other languages
Chinese (zh)
Inventor
覃家露
祝志强
陈莉
邓惠中
梁桂深
苏华冠
伍荣华
罗醒华
叶海文
苏文德
张虹
王娜
曾翠敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202111015348.4A priority Critical patent/CN113692201A/en
Publication of CN113692201A publication Critical patent/CN113692201A/en
Pending legal-status Critical Current

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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
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/56Insulating bodies
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0213Venting apertures; Constructional details thereof
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • 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
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The application relates to the technical field of power equipment, in particular to a zero line current eliminating device which comprises a base, a host machine protecting box, a current eliminating host machine, a fixing box and a water cooling structure, wherein the base is provided with a base plate and a water cooling structure; the host machine protective box and the water cooling structure are both arranged on the base; the inner cavity of the fixed box is communicated with the inner cavity of the host machine protective box; the fixed box is provided with an air inlet hole, and the host machine protective box is provided with an air outlet; a motor is arranged in the fixed box and connected with radiating blades; the inner wall of the host machine protection box is provided with an insulating pad; the current elimination host is arranged in the host protection box; the water cooling structure comprises a water tank, a water pump, a water inlet pipe and a water outlet pipe; the water inlet end of the water pump is connected with the water tank through a water inlet pipe; the water outlet pipe extends in an S shape and is arranged on the outer wall of the current elimination host; the first end of the water outlet pipe penetrates through the host machine protection box and is connected with the water outlet end of the water pump, and the second end of the water outlet pipe penetrates through the host machine protection box and is connected with the water tank. The technical problem that an existing zero line current eliminating device is poor in heat dissipation effect is effectively solved.

Description

Zero line current eliminating device
Technical Field
The application relates to the technical field of power equipment, in particular to a zero line current eliminating device.
Background
The zero line current eliminator is also called a zero sequence filter, is a high-tech energy-saving product for solving equipment faults and potential safety hazards caused by zero line overcurrent when three-phase load of electrical equipment in various industries is balanced, and at present, the zero line overcurrent problem exists in a large amount in application places such as commercial office buildings, markets, banks, gymnasiums, city brightening, schools and the like. The main reason is that a great deal of computers, various office equipment, modern new-type lighting equipment, uninterruptible power supplies, switching power supplies and other modern equipment are used, so that a great deal of zero-sequence current is generated in a power grid, the zero-sequence current is mutually superposed on a zero line, the zero line is often seriously overcurrent, the zero line current is far beyond the phase line current in many occasions, and serious fire hazard exists.
The existing zero line current eliminating device does not have a heat radiating device or has a poor heat radiating effect, the temperature in the device is easy to rise when the device is used, the safety of the device is reduced, the internal insulation of the device is poor, accidents such as electric leakage are easy to happen, and therefore an automatic adjustment type zero line current eliminating device which is convenient to radiate and cool the inside of the device when the device is used, high in internal insulation and high in reliability after being used for a long time is provided for solving the problems.
Disclosure of Invention
In view of this, an object of the present application is to provide a zero line current cancellation device, which effectively solves the technical problem of poor heat dissipation effect of the existing zero line current cancellation device.
In order to achieve the purpose, the application provides the following technical scheme:
a zero line current eliminating device comprises a base, a host machine protection box, a current eliminating host machine, a fixed box and a water cooling structure;
the host machine protective box and the water cooling structure are both arranged on the base;
the fixed box is arranged on the side wall of the host protection box, and the inner cavity of the fixed box is communicated with the inner cavity of the host protection box;
the fixed box is provided with an air inlet communicated with the outside, and the host machine protection box is provided with an air outlet;
a motor is installed in the fixed box, and an output shaft of the motor is connected with radiating blades;
the inner wall of the host machine protection box is provided with an insulating pad;
the current elimination host is arranged in the host protection box;
the water cooling structure comprises a water tank, a water pump, a water inlet pipe and a water outlet pipe;
the water inlet end of the water pump is connected with the water tank through the water inlet pipe;
the water outlet pipe extends in an S shape and is arranged on the outer wall of the current elimination host;
the first end of the water outlet pipe penetrates through the host machine protection box and is connected with the water outlet end of the water pump, and the second end of the water outlet pipe penetrates through the host machine protection box and is connected with the water tank.
Preferably, in the above zero line current eliminating device, an installation seat is arranged in the host protection box, and an installation groove is arranged on the installation seat;
the current elimination host is slidably mounted in the mounting groove and is fixed with the mounting seat through the fixing structure.
Preferably, in the above-mentioned zero line current eliminating device, the fixing structure includes a threaded sleeve, a threaded rod and a hand wheel;
the threaded sleeve is arranged on the mounting seat, and the outer wall of the threaded rod is in threaded connection with the inner wall of the threaded sleeve;
the first end of threaded rod with hand wheel connection, the second end orientation of threaded rod the direction of current elimination host computer extends.
Preferably, in the above zero line current eliminating device, elastic buffer structures are mounted on both sides of the inside of the host machine protection box;
the elastic buffer structure comprises a telescopic rod, a clamping plate and a first spring;
two ends of the telescopic rod are respectively connected with the inner wall of the host machine protective box and the clamping plate;
the first spring is sleeved on the telescopic rod, and two ends of the first spring are connected with the inner wall of the host protection box and the clamping plate respectively.
Preferably, in the above zero line current eliminating device, a second end of the threaded rod is provided with a non-slip pad, and the threaded rod is contacted and abutted with the bottom of the current eliminating host through the non-slip pad;
one side of the clamping plate, which is far away from the telescopic rod, is provided with a cushion pad, and the clamping plate is contacted and propped against the top of the current elimination host through the cushion pad.
Preferably, in the above zero line current eliminating device, a dust guard is disposed in the fixed box at a position close to the air inlet hole.
Preferably, in the above zero line current eliminating device, the dust guard is detachably mounted on the fixed box through a limiting structure;
the limiting structure comprises a limiting groove, a limiting rod, a second spring, a pull rod and a limiting hole;
the limiting groove is arranged on the fixed box, and the limiting hole is formed in the dust guard;
the first end of the limiting rod is connected with the inner wall of the limiting groove through the spring;
the second end of the limiting rod extends to the dust guard and is in snap fit with the limiting hole;
the pull rod is connected with the limiting rod, and the limiting groove is provided with a through hole for the pull rod to move.
Preferably, in the above zero line current eliminating device, a limiting ring is disposed on an inner wall of the fixing box, and the dust guard is mounted on the limiting ring;
and the side wall of the fixed box is provided with a drawing outlet for drawing the dustproof plate out.
Preferably, in the above zero line current eliminating device, the air outlet is provided with a detachable sealing plug, and the sealing plug is provided with a pull ring.
Preferably, in the above-mentioned neutral current eliminating device, a universal wheel is mounted on the bottom of the base.
Compared with the prior art, the beneficial effects of this application are:
the application provides a zero line electric current remove device, when using, not only the motor drive radiating blade of the fixed incasement of accessible, so as to accelerate the inside circulation of air of host computer protective housing, reach the operational environment who eliminates the host computer to the electric current and dispel the effect of heat cooling, and can also carry out the heat exchange through outlet pipe and electric current elimination host computer with taking out in the water tank through the water pump, so that the outlet pipe takes away the inside heat of electric current elimination host computer, can reach the effect of good heat dissipation cooling equally, the insulating pad setting on the host computer protective housing inner wall of reunion, make whole device have the radiating effect good, the internal insulation is high, long-term use reliability is high and the good advantage of security, the technical problem that current zero line electric current remove device has the radiating effect difference has been solved effectively. In addition, be the S type extend set up in the outlet pipe on the outer wall of current elimination host computer can increase the area of contact with the current elimination host computer, is favorable to improving the radiating effect, and the water that the outlet pipe flows simultaneously flows into once more and retrieves in the water tank, has guaranteed that the water resource can recycle and the heat dissipation operation can continuously go on.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a zero line current cancellation apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional front view of a neutral current eliminating apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic right-side cross-sectional view of a neutral current eliminating apparatus according to an embodiment of the present disclosure;
fig. 4 is an enlarged view of a zero line current cancellation apparatus provided in an embodiment of the present application at a position B;
fig. 5 is a schematic structural diagram of an elastic buffer structure of a zero line current cancellation device according to an embodiment of the present application;
fig. 6 is an internal structure view of a fixing box of a zero line current eliminating apparatus according to an embodiment of the present application;
fig. 7 is an enlarged view of a portion a of a neutral current cancellation apparatus according to an embodiment of the present application.
In the figure: 1. a base; 2. a groove; 3. a connecting rod; 4. a universal wheel; 5. a host computer protection box; 6. an insulating pad; 7. a mounting seat; 8. a current elimination host; 9. a fixed structure; 91. a threaded sleeve; 92. a threaded rod; 93. a hand wheel; 10. an elastic buffer structure; 101. a telescopic rod; 102. a clamping plate; 103. a first spring; 11. a water-cooling structure; 111. a water tank; 112. a water inlet pipe; 113. a water pump; 114. a water outlet pipe; 12. a fixed box; 13. a support table; 14. a motor; 15. a heat dissipating fin; 16. an air inlet hole; 17. a dust-proof plate; 18. a limiting structure; 181. a limiting groove; 182. a limiting rod; 183. a second spring; 184. a pull rod; 185. a limiting hole; 19. a non-slip mat; 20. a cushion pad; 21. a water inlet valve; 22. opening and closing a valve; 23. a sealing plug; 24. a pull ring; 25. a box door; 26. a handle; 27. a limiting ring; 28. an extraction port.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The zero line current eliminator is also called a zero sequence filter, is a high-tech energy-saving product for solving equipment faults and potential safety hazards caused by zero line overcurrent when three-phase load of electrical equipment in various industries is balanced, and at present, the zero line overcurrent problem exists in a large amount in application places such as commercial office buildings, markets, banks, gymnasiums, city brightening, schools and the like. The main reason is that a great deal of computers, various office equipment, modern new-type lighting equipment, uninterruptible power supplies, switching power supplies and other modern equipment are used, so that a great deal of zero-sequence current is generated in a power grid, the zero-sequence current is mutually superposed on a zero line, the zero line is often seriously overcurrent, the zero line current is far beyond the phase line current in many occasions, and serious fire hazard exists. The existing zero line current eliminating device does not have a heat radiating device or has a poor heat radiating effect, the temperature in the device is easy to rise when the device is used, the safety of the device is reduced, the internal insulation of the device is poor, accidents such as electric leakage are easy to happen, and therefore an automatic adjustment type zero line current eliminating device which is convenient to radiate and cool the inside of the device when the device is used, high in internal insulation and high in reliability after being used for a long time is provided for solving the problems.
Referring to fig. 1 to 7, an embodiment of the present application provides a zero line current eliminating apparatus, including a base 1, a host protection box 5, a current eliminating host 8, a fixing box 12, and a water cooling structure 11; the host machine protective box 5 and the water cooling structure 11 are both arranged on the base 1; the fixed box 12 is arranged on the side wall of the host computer protective box 5, and the inner cavity of the fixed box 12 is communicated with the inner cavity of the host computer protective box 5; the fixed box 12 is provided with an air inlet hole 16 communicated with the outside, and the host protective box 5 is provided with an air outlet; a motor 14 is arranged in the fixed box 12, and an output shaft of the motor 14 is connected with a radiating blade 15; the inner wall of the host machine protective box 5 is provided with an insulating pad 6; the current elimination host 8 is arranged in the host protection box 5; the water cooling structure 11 comprises a water tank 111, a water pump 113, a water inlet pipe 112 and a water outlet pipe 114; the water inlet end of the water pump 113 is connected with the water tank 111 through the water inlet pipe 112; the water outlet pipe 114 extends in an S shape and is arranged on the outer wall of the current elimination host machine 8; the first end of the water outlet pipe 114 penetrates through the host protection box 5 and is connected with the water outlet end of the water pump 113, and the second end of the water outlet pipe 114 penetrates through the host protection box 5 and is connected with the water tank 111.
More specifically, the water tank 111 and the host protection box 5 are both fixedly mounted on the top of the base 1; the insulating pad 6 can be fixed on the inner wall of the host machine protective box 5 in an adhesion mode; the fixing pin is arranged on the back of the host protection box 5, and the water cooling structure 11 is arranged on the right side or the left side of the host protection box 5; a support table 13 is arranged in the fixed box 12, and a motor 14 is arranged at the top of the support table 13; the side wall of the water tank 111 is communicated with a water inlet valve 21, the top of the water inlet valve 21 is provided with a valve switch 22, and the arrangement of the water inlet valve 21 and the valve switch 22 is convenient for replacing cooling liquid and daily maintenance; the front of host computer guard box 5 articulates there is chamber door 25, and door handle 26 is installed on the front of chamber door 25, through the setting of chamber door 25 and handle 26, is convenient for open chamber door 25, makes things convenient for routine maintenance.
This embodiment is when using, not only motor 14 drive radiating vane 15 in the fixed case 12 of accessible, so as to accelerate the inside circulation of air of host computer protecting box 5, reach the operational environment to the electric current elimination host computer 8 effect of cooling that dispels the heat, and can also carry out heat exchange through outlet pipe 114 with the electric current elimination host computer 8 with taking out in water tank 111 through water pump 113, so that outlet pipe 114 takes away the inside heat of electric current elimination host computer 8, can reach the effect of good heat dissipation cooling equally, the insulating pad 6 setting on the host computer protecting box 5 inner wall of reunion, make whole device have the radiating effect good, the internal insulation is high, long-term use reliability is high and the good advantage of security, the technical problem that current zero line electric current remove device has the radiating effect poor has been solved effectively. In addition, the water outlet pipe 114 extending in the S shape and arranged on the outer wall of the current elimination main unit 8 can increase the contact area with the current elimination main unit 8, which is beneficial to improving the heat dissipation effect, and meanwhile, the water flowing through the water outlet pipe 114 flows into the water tank 111 again, so that the water resource can be recycled and the heat dissipation operation can be continuously performed.
Further, in the present embodiment, please refer to fig. 2, an installation seat 7 is disposed in the host protection box 5, and an installation groove is disposed on the installation seat 7; the current elimination host 8 is slidably mounted in the mounting groove and is fixed with the mounting seat 7 through a fixing structure 9. The installation groove and the fixing structure 9 are arranged to play a role in fixing the current elimination of the host machine 8, so that the situation that the current elimination of the host machine 8 moves in the moving process of the whole device can be avoided, the current elimination of the host machine 8 can be always operated at a fixed position, and the normal operation of zero line current elimination operation is guaranteed.
More specifically, the number of the fixing structures 9 is at least two, the two fixing structures 9 are symmetrically arranged on two sides of the current elimination main machine 8, and a clamping space for clamping and fixing the bottom of the current elimination main machine 8 can be formed by the two fixing structures 9.
Further, in the present embodiment, referring to fig. 4, the fixing structure 9 includes a threaded sleeve 91, a threaded rod 92 and a hand wheel 93; the threaded sleeve 91 is arranged on the mounting seat 7, and the outer wall of the threaded rod 92 is in threaded connection with the inner wall of the threaded sleeve 91; a first end of the threaded rod 92 is connected to the hand wheel 93, and a second end of the threaded rod 92 extends toward the current eliminating main unit 8. During operation, the second end of the threaded rod 92 is exposed in the threaded sleeve 91, the threaded rod 92 can be driven to rotate in the threaded sleeve 91 by rotating the hand wheel 93, the threaded rod 92 is driven to move in the direction close to the current elimination host 8 until the second end of the threaded rod 92 is in contact with and abuts against the current elimination host 8, two or more threaded rods 92 jointly clamp the current elimination host 8, the effect of fixing the current elimination host 8 is achieved, and the stability of the current elimination host 8 during use is improved.
Further, in the present embodiment, please refer to fig. 2 and 5, the two sides inside the host protection box 5 are both installed with the elastic buffer structures 10; the elastic buffer structure 10 comprises a telescopic rod 101, a clamping plate 102 and a first spring 103; two ends of the telescopic rod 101 are respectively connected with the inner wall of the host protective box 5 and the clamping plate 102; the first spring 103 is sleeved on the telescopic rod 101, and two ends of the first spring 103 are respectively connected with the inner wall of the host protection box 5 and the clamping plate 102. When using, utilize the scalable design of telescopic link 101 and the elastic action of first spring 103, can adjust the position of clamp plate 102 correspondingly, so that the fixed electric current of centre gripping eliminates host computer 8 better, setting up through elastic buffer structure 10 not only can eliminate host computer 8 formation centre gripping fixed effect to the electric current, but also can eliminate host computer 8 to the electric current and play effectual cushioning effect, when removing the in-process and can prevent that electric current from eliminating host computer 8 and rocking, can eliminate host computer 8 to the electric current again and move effective protection.
More specifically, the number of the elastic buffer structures 10 is at least two, the two elastic buffer structures 10 are symmetrically disposed on two sides of the current elimination main unit 8, and a clamping space for clamping and fixing the top of the current elimination main unit 8 can be formed by the two elastic buffer structures 10.
Further, in this embodiment, please refer to fig. 4, a non-slip pad 19 is disposed at a second end of the threaded rod 92, the threaded rod 92 contacts and abuts against the bottom of the current elimination host 8 through the non-slip pad 19, the non-slip pad 19 is made of rubber, and the arrangement of the non-slip pad 19 facilitates increasing the friction between the threaded rod 92 and the current elimination host 8, so that the fixation is firmer; referring to fig. 2, a buffer pad 20 is disposed on a side of the clamping plate 102 away from the telescopic rod 101, the clamping plate 102 contacts and abuts against the top of the current elimination main unit 8 through the buffer pad 20, and the buffer pad 20 is made of a silica gel material, so that the clamping plate 102 can better adhere to the surface of the current elimination main unit 8 and the adhesion is tighter through the arrangement of the buffer pad 20.
Further, in the present embodiment, referring to fig. 3, a dust-proof plate 17 is disposed in the fixing box 12 at a position close to the air inlet 16. Dust guard 17 can block dust or other particles that outside air smugglied secretly, can prevent that dust or other particles from entering into the inside of fixed case 12 and host computer guard box 5, not only is favorable to avoiding the dust to pile up and leads to clean inconvenient problem, but also can avoid the dust to pile up interference current and eliminate host computer 8 and dispel the heat to the outside.
More specifically, the air inlet 16 is arranged at the top of the fixed box 12, and the air outlet is arranged at the top of the host protective box 5; the dust guard 17 is located between the air inlet 16 and the heat dissipation blades 15, and the dust guard 17 is located above the communication port between the fixed box 12 and the host protection box 5, so that it is ensured that the external air is filtered by the dust guard 17 and then conveyed into the host protection box 5 by the heat dissipation blades 15 driven by the motor 14.
Further, in the present embodiment, please refer to fig. 7, the dust-proof plate 17 is detachably mounted on the fixing box 12 through the limiting structure 18; the limiting structure 18 comprises a limiting groove 181, a limiting rod 182, a second spring 183, a pull rod 184 and a limiting hole 185; the limiting groove 181 is arranged on the fixed box 12, and the limiting hole 185 is arranged on the dust guard 17; the first end of the limit rod 182 is connected with the inner wall of the limit groove 181 through a spring; the second end of the limiting rod 182 extends to the dust-proof plate 17 and is in snap fit with the limiting hole 185; the pull rod 184 is connected with the limit rod 182, and the limit groove 181 is provided with a through hole for the pull rod 184 to move.
When the dust guard is installed, the pull rod 184 is pulled to compress the second spring 183 to enable the limiting rod 182 to retract into the limiting groove 181, then one end of the dust guard 17 is placed below the limiting groove 181, the limiting hole 185 corresponds to the limiting groove 181, the pull rod 184 is loosened, and under the elastic action of the second spring 183, the limiting rod 182 is pushed to move in the direction close to the limiting hole 185, so that the limiting rod 182 is in snap fit with the limiting hole 185, the dust guard 17 is fixed, and the dust guard 17 is guaranteed to normally filter and shield entering air. When the dust guard 17 is disassembled, the pull rod 184 is pulled again to compress the second spring 183, so that the limiting rod 182 retracts into the limiting groove 181, the dust guard 17 can be disassembled, and the dust guard 17 can be conveniently cleaned or replaced by a new dust guard 17.
Further, in the present embodiment, referring to fig. 6, a limiting ring 27 is disposed on an inner wall of the fixing box 12, and the dust-proof plate 17 is mounted on the limiting ring 27; the side wall of the fixed box 12 is provided with an extraction port 28 through which the dust-proof plate 17 is extracted. The arrangement of the limiting ring 27 can provide a supporting position for installing the dust-proof plate 17 on the inner wall of the fixed box 12, and the middle of the limiting ring 27 is designed as a through hole, so that the passing of normal flowing wind is not influenced. The extraction opening 28 is provided to facilitate the worker to extract the dust-proof plate 17 to clean the dust-proof plate 17 or replace the dust-proof plate 17 with a new one.
More specifically, referring to fig. 6, a handle 26 may be disposed on an outer side of the dust-proof plate 17, and the dust-proof plate 17 can be easily drawn out from the fixing box 12 by a worker through the handle 26.
Further, in this embodiment, the vent is provided with a removable sealing plug 23, and the sealing plug 23 is fitted with a pull ring 24. When idle, through pull ring 24 with sealing plug 23 sealed jam in air outlet department, be convenient for seal host computer protecting box 5 when daily placing, open sealing plug 23 through pull ring 24 when using, make things convenient for air outlet department to insert the cable and make things convenient for host computer protecting box 5 to pass through the external air-out of air outlet.
Further, in the present embodiment, referring to fig. 2 and fig. 3, the bottom of the base 1 is provided with a universal wheel 4. The arrangement of the universal wheels 4 can facilitate the movement of the whole device by workers, which is beneficial to improving convenience; the universal wheel 4 is provided with a self-locking mechanism, when the universal wheel needs to be moved, the self-locking mechanism can be loosened, and when the universal wheel needs to be moved to a required position, the self-locking mechanism can be closed, so that the universal wheel 4 can not be moved any more, and the whole device is ensured to be in a fixed position to normally operate.
More specifically, please refer to fig. 2 and 3, a groove 2 is formed in the bottom of the base 1, the universal wheel 4 is mounted in the groove 2 through a connecting rod 3, the groove 2 can provide a position for mounting the universal wheel 4, and the detachability of the universal wheel 4 is ensured, so that the universal wheel 4 can be maintained and replaced, and the gravity center of the whole device can be properly lowered, which is beneficial to enhancing the stability of the whole device.
The specific use process of the embodiment is as follows:
when the refrigerator door is used, when the refrigerator door is installed, the refrigerator door 25 is opened through the handle 26, the clamping plates 102 are pressed inwards, the clamping plates 102 press the first springs 103 and the telescopic rods 101, then the current elimination host 8 is placed at the top of the installation seat 7, the top of the current elimination host 8 is placed between the clamping plates 102, then the clamping plates 102 are loosened, the clamping plates 102 fix the top of the current elimination host 8 under the action of the first springs 103, the hand wheel 93 is rotated at the moment, the hand wheel 93 drives the threaded rod 92 to rotate in the threaded sleeve 91, the threaded rod 92 clamps the current elimination host 8 to complete the fixation of the current elimination host 8, then the refrigerator door 25 is closed, when the refrigerator door is used, the refrigerator door 23 is rotated and taken down, the cable is connected, the water pump 113 and the motor 14 are opened, the cooling liquid is pumped out through the water inlet pipe 112 by the water pump 113, and the heat in the host protection box 5 is absorbed after passing through the water outlet pipe 114, finally, the cold air enters the water tank 111 again, meanwhile, the motor 14 drives the heat dissipation blades 15 to rotate, the heat dissipation blades 15 suck the external cold air from the air inlet 16, the cold air is filtered by the dust guard 17 and then enters the host protection box 5, and finally, the heat is discharged through the air outlet at the top, when the dust guard 17 needs to be replaced, the pull rod 184 is pulled, the pull rod 184 drives the limiting rod 182 to extrude the second spring 183, after the limiting rod 182 is separated from the limiting hole 185, the dust guard 17 is taken out and replaced, when the current is required to be taken out to eliminate the host 8, the box door 25 is opened again, the sealing plug 23 is screwed, the hand wheel 93 is shaken again, and the current elimination host 8 is taken out.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A zero line current eliminating device is characterized by comprising a base, a host machine protecting box, a current eliminating host machine, a fixing box and a water cooling structure;
the host machine protective box and the water cooling structure are both arranged on the base;
the fixed box is arranged on the side wall of the host protection box, and the inner cavity of the fixed box is communicated with the inner cavity of the host protection box;
the fixed box is provided with an air inlet communicated with the outside, and the host machine protection box is provided with an air outlet;
a motor is installed in the fixed box, and an output shaft of the motor is connected with radiating blades;
the inner wall of the host machine protection box is provided with an insulating pad;
the current elimination host is arranged in the host protection box;
the water cooling structure comprises a water tank, a water pump, a water inlet pipe and a water outlet pipe;
the water inlet end of the water pump is connected with the water tank through the water inlet pipe;
the water outlet pipe extends in an S shape and is arranged on the outer wall of the current elimination host;
the first end of the water outlet pipe penetrates through the host machine protection box and is connected with the water outlet end of the water pump, and the second end of the water outlet pipe penetrates through the host machine protection box and is connected with the water tank.
2. A neutral current removing apparatus according to claim 1, wherein a mounting seat is provided in the host protection box, and a mounting groove is provided on the mounting seat;
the current elimination host is slidably mounted in the mounting groove and is fixed with the mounting seat through the fixing structure.
3. A neutral current removing device according to claim 2, wherein the fixing structure comprises a threaded sleeve, a threaded rod and a hand wheel;
the threaded sleeve is arranged on the mounting seat, and the outer wall of the threaded rod is in threaded connection with the inner wall of the threaded sleeve;
the first end of threaded rod with hand wheel connection, the second end orientation of threaded rod the direction of current elimination host computer extends.
4. A neutral current removing apparatus according to claim 3, wherein elastic buffer structures are installed on both sides of the inside of the host protection box;
the elastic buffer structure comprises a telescopic rod, a clamping plate and a first spring;
two ends of the telescopic rod are respectively connected with the inner wall of the host machine protective box and the clamping plate;
the first spring is sleeved on the telescopic rod, and two ends of the first spring are connected with the inner wall of the host protection box and the clamping plate respectively.
5. The zero line current cancellation device according to claim 4, wherein a non-slip pad is disposed at the second end of the threaded rod, and the threaded rod is in contact with and abuts against the bottom of the current cancellation main machine through the non-slip pad;
one side of the clamping plate, which is far away from the telescopic rod, is provided with a cushion pad, and the clamping plate is contacted and propped against the top of the current elimination host through the cushion pad.
6. A neutral current removing device in accordance with claim 1, wherein a dust-proof plate is provided in the fixing case at a position close to the air inlet hole.
7. A neutral current eliminating apparatus according to claim 6, wherein the dust guard is detachably mounted to the stationary box by a stopper structure;
the limiting structure comprises a limiting groove, a limiting rod, a second spring, a pull rod and a limiting hole;
the limiting groove is arranged on the fixed box, and the limiting hole is formed in the dust guard;
the first end of the limiting rod is connected with the inner wall of the limiting groove through the spring;
the second end of the limiting rod extends to the dust guard and is in snap fit with the limiting hole;
the pull rod is connected with the limiting rod, and the limiting groove is provided with a through hole for the pull rod to move.
8. A neutral current eliminating device according to claim 7, wherein the inner wall of the fixing box is provided with a limit ring, and the dust-proof plate is mounted on the limit ring;
and the side wall of the fixed box is provided with a drawing outlet for drawing the dustproof plate out.
9. A neutral current elimination apparatus of claim 1, wherein said vent is provided with a removable sealing plug, said sealing plug being fitted with a pull ring.
10. A neutral current removing apparatus according to any of claims 1 to 9, wherein the base is provided at its bottom with universal wheels.
CN202111015348.4A 2021-08-31 2021-08-31 Zero line current eliminating device Pending CN113692201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111015348.4A CN113692201A (en) 2021-08-31 2021-08-31 Zero line current eliminating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111015348.4A CN113692201A (en) 2021-08-31 2021-08-31 Zero line current eliminating device

Publications (1)

Publication Number Publication Date
CN113692201A true CN113692201A (en) 2021-11-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111015348.4A Pending CN113692201A (en) 2021-08-31 2021-08-31 Zero line current eliminating device

Country Status (1)

Country Link
CN (1) CN113692201A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108792192A (en) * 2018-05-08 2018-11-13 佛山鼎容软件科技有限公司 A kind of electronic component processing transport protection case
CN109573360A (en) * 2018-11-09 2019-04-05 南京荣强仓储有限公司 A kind of intelligent storage temperature control equipment
CN209373368U (en) * 2019-03-21 2019-09-10 斯比泰电子(嘉兴)有限公司 A kind of Engine ECU hardware in loop divides cylinder simulator
CN210157012U (en) * 2019-07-26 2020-03-17 天能水泥有限公司 Speed reduction motor with protection function
CN210537196U (en) * 2019-07-15 2020-05-15 无锡辉瑞达科技有限公司 Novel electromechanical device's heat dissipation protection device
CN213046933U (en) * 2020-04-27 2021-04-27 深圳智信生物医疗科技有限公司 ECG monitor fixer
CN213205816U (en) * 2020-09-11 2021-05-14 潍坊七星动力设备有限公司 Electric control explosion-proof diesel engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108792192A (en) * 2018-05-08 2018-11-13 佛山鼎容软件科技有限公司 A kind of electronic component processing transport protection case
CN109573360A (en) * 2018-11-09 2019-04-05 南京荣强仓储有限公司 A kind of intelligent storage temperature control equipment
CN209373368U (en) * 2019-03-21 2019-09-10 斯比泰电子(嘉兴)有限公司 A kind of Engine ECU hardware in loop divides cylinder simulator
CN210537196U (en) * 2019-07-15 2020-05-15 无锡辉瑞达科技有限公司 Novel electromechanical device's heat dissipation protection device
CN210157012U (en) * 2019-07-26 2020-03-17 天能水泥有限公司 Speed reduction motor with protection function
CN213046933U (en) * 2020-04-27 2021-04-27 深圳智信生物医疗科技有限公司 ECG monitor fixer
CN213205816U (en) * 2020-09-11 2021-05-14 潍坊七星动力设备有限公司 Electric control explosion-proof diesel engine

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Application publication date: 20211123