CN114660392A - Local relay protection test device of transformer substation - Google Patents

Local relay protection test device of transformer substation Download PDF

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Publication number
CN114660392A
CN114660392A CN202210398377.1A CN202210398377A CN114660392A CN 114660392 A CN114660392 A CN 114660392A CN 202210398377 A CN202210398377 A CN 202210398377A CN 114660392 A CN114660392 A CN 114660392A
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CN
China
Prior art keywords
test box
box body
test
dust
relay protection
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Pending
Application number
CN202210398377.1A
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Chinese (zh)
Inventor
曹明
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Nanjing Fangneng Automation Equipment Co ltd
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Nanjing Fangneng Automation Equipment Co ltd
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Application filed by Nanjing Fangneng Automation Equipment Co ltd filed Critical Nanjing Fangneng Automation Equipment Co ltd
Priority to CN202210398377.1A priority Critical patent/CN114660392A/en
Publication of CN114660392A publication Critical patent/CN114660392A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20181—Filters; Louvers

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention discloses a local relay protection test device for a transformer substation, which comprises a test box body, wherein the test box body is a hollow cavity structure with an opening at one side, a test box door matched with the test box body is rotatably installed at one side of the opening end of the test box body through a hinge, a containing table is arranged on the inner bottom wall of the test box body, a test body is placed on the containing table, grooves are embedded in two side walls of the test box body and communicated with the test box body, dust-cleaning, dust-preventing, ventilating and heat-dissipating mechanisms are arranged on the two side walls of the test box body, and a fan-air heat-dissipating component is arranged below the inner top wall of the test box body. The invention belongs to the technical field of relay protection equipment, and particularly relates to a local relay protection test device for a transformer substation, which can prevent dust from being drawn into a test box body, and can discharge hot air in the test box body out of the box body, so that the heat dissipation function of the device is improved, and the damage rate of a test body is reduced.

Description

Local relay protection test device of transformer substation
Technical Field
The invention belongs to the technical field of relay protection equipment, and particularly relates to a local relay protection test device for a transformer substation.
Background
The intelligent transformer substation adopts advanced, reliable, integrated and environment-friendly intelligent equipment, takes total station information digitization, communication platform networking and information sharing standardization as basic requirements, automatically completes basic functions of information acquisition, measurement, control, protection, metering, detection and the like, and simultaneously has advanced functions of supporting real-time automatic control, intelligent adjustment, on-line analysis decision, cooperative interaction and the like of a power grid. Because the degree of automation of intelligent substation is very high, but just because the degree of automation and the science and technology ization of intelligent substation is very high, just lead to the maintenance very troublesome, also very dangerous moreover, so need the operator to have certain experience just can use, then just need use intelligent substation local relay protection test device. Current local relay protection test device of intelligent substation generally comprises experimental box and inside experimental body, utilizes experimental body to carry out relay protection test, but, the heat dissipation function of device is relatively poor in its use to it is serious to deposit and make its device fall the ash, needs regularly to clear up the device and maintains, so has consumed a large amount of manpower resources. Therefore, the invention provides the local relay protection test device for the transformer substation, which can avoid dust from being drawn into the test box body, reduce dust in the air from falling into the test box body, and simultaneously discharge hot air in the test box body out of the box body, so that the device forms air circulation between the inside and the outside, the heat dissipation function of the device is further improved, and the damage rate of the test body is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides the local relay protection test device for the transformer substation, which can avoid dust from being drawn into the test box body, reduce dust in the air from falling into the test box body, and simultaneously discharge hot air in the test box body out of the box body, so that the device forms air circulation between the inside and the outside, the heat dissipation function of the device is further improved, and the damage rate of the test body is reduced.
In order to realize the functions, the technical scheme adopted by the invention is as follows: a local relay protection test device for a transformer substation comprises a test box body, wherein the test box body is a hollow cavity structure with an opening at one side, a test box door matched with the test box body is rotatably arranged at one side of the opening end of the test box body through a hinge, a containing table is arranged on the inner bottom wall of the test box body, a test body is placed on the containing table, the test box body has certain dust protection and dust resistance effects on the test body, grooves are embedded in two side walls of the test box body and are communicated with the test box body, dust cleaning, dust prevention, air permeable and heat dissipation mechanisms are arranged on the two side walls of the test box body, dust can be prevented from being drawn into the test box body, dust in air can be reduced from falling into the test box body, hot air in the test box body can be discharged out of the box body, the device can form air circulation between the inner part and the outer part, and further the heat dissipation function of the device can be improved, the damage rate of the test body is reduced, and a fan cooling assembly is arranged below the inner top wall of the test box body and used for blowing air into the test box body for cooling, so that the air circulation between the inside and the outside of the test box body is formed, and the cooling function of the device is further improved; the dust-cleaning, dust-preventing and ventilating heat dissipation mechanism comprises dust-preventing heat dissipation nets, a driving motor, lead screws and brush heads, wherein baffles are arranged at the grooves, the baffles are arranged in two groups by taking the horizontal central line of the grooves as a symmetry axis, the dust-preventing heat dissipation nets are arranged in the grooves, protective shells are arranged on two outer side walls of the test box body, the driving motor is arranged under the inner top wall of each protective shell, one end of each lead screw is connected with the output end of the driving motor, the other end of each lead screw can be rotatably arranged on the inner bottom wall of each protective shell, a lead screw pair is sleeved on each lead screw, a connecting rod is arranged on the side wall of each lead screw pair and movably penetrates through the side wall of each protective shell, each brush head is arranged at one end, far away from the corresponding lead screw pair, of the brush heads are in close contact with the dust-preventing heat dissipation nets, the dust is prevented from entering the test box body by the dust-preventing heat dissipation nets, and the air circulation inside and outside the test box body can be ensured at the same time, the driving motor drives the lead screw to rotate, the rotary motion of the lead screw is converted into linear reciprocating motion through the lead screw pair, the lead screw pair drives the brush head to clean dust on the dustproof heat dissipation net in a reciprocating mode through the connecting rod, the dust can be prevented from being drawn into the interior of the test box body, the dust in the air can be reduced to fall into the test box body, meanwhile, the hot air in the test box body can be discharged out of the box body, the device forms air circulation between the interior and the exterior, the heat dissipation function of the device is further improved, and the damage rate of the test body is reduced.
Preferably, fan-shaped radiator unit includes rotating electrical machines, flabellum and the net that flow equalizes, the internal roof of proof box has the flabellum shell, rotating electrical machines locates under the interior roof of flabellum shell, the output has the flabellum under the rotating electrical machines, the net that flow equalizes runs through to inlay and locates flabellum shell diapire, and rotating electrical machines drives the flabellum and rotates and blow, and the heat dissipation of blowing is carried out to the experimental body of experimental box inside.
Preferably, the test box is provided with a containing groove under the inner top wall, the containing groove is arranged in two groups by taking the vertical central line of the test box as a symmetry axis, drying agents are placed in the containing groove, the drying agents dry the steam of the inner wall of the test box, the damage to internal elements of the test body is avoided, and the damage rate of the test body is reduced.
As a preferred technical scheme of the invention, the handle is arranged on the test box door, and the coded lock is arranged on the test box door, so that the switch of the test box door can be conveniently controlled.
As a preferred technical scheme of the invention, cushion blocks are uniformly arranged under the test box body to play a role in fixing and supporting.
As a preferred technical solution of the present invention, the driving motor is a servo motor, which is convenient for controlling the rotation direction.
The invention adopts the structure to obtain the following beneficial effects: the invention provides a local relay protection test device of a transformer substation, which prevents dust from entering a test box body through the arrangement of a dust-cleaning dust-proof ventilating and heat-dissipating mechanism, can ensure the circulation of air inside and outside the test box body simultaneously, drives a motor to drive a lead screw to rotate, converts the rotary motion of the lead screw into linear reciprocating motion, drives a brush head to clean and brush the dust on the dust-proof heat-dissipating net through a connecting rod, can avoid the dust from being drawn into the test box body, can reduce the dust in the air from falling into the test box body, can discharge hot air in the test box body out of the box body simultaneously, enables the device to form air circulation between the inside and the outside, further improves the heat-dissipating function of the device, reduces the damage rate of the test body, and drives fan blades to rotate to blow air through the arrangement of a fan-air heat-dissipating component to blow and dissipate the heat of the test body in the test box body, through the setting of drier, the drier carries out drying process with the steam of experimental box inner wall, avoids the internal element of experimental body to cause the damage, reduces the damage rate of experimental body.
Drawings
Fig. 1 is a schematic overall structure diagram of a local relay protection test device of a transformer substation according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a front view of a local relay protection test device of a substation according to the present invention.
The device comprises a test box body 1, a test box door 2, a test box door 3, a containing platform 4, a test body 5, a groove 6, a dust-cleaning dustproof ventilating and heat-dissipating mechanism 7, a fan heat-dissipating component 8, a dustproof heat-dissipating net 9, a driving motor 10, a lead screw 11, a brush head 12, a baffle 13, a protective shell 14, a lead screw pair 15, a connecting rod 16, a rotating motor 17, fan blades 18, a flow-equalizing net 19, a fan blade shell 20, a containing groove 21, a drying agent 22, a handle 23, a coded lock 24 and a cushion block.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. 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. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, the local relay protection test device for the transformer substation, provided by the invention, comprises a test box body 1, wherein cushion blocks 24 are uniformly arranged below the test box body 1, the test box body 1 is a hollow cavity structure with an opening at one side, a test box door 2 matched with the test box body 1 is rotatably arranged at one side of the opening end of the test box body 1 through a hinge, a handle 22 is arranged on the test box door 2, a coded lock 23 is arranged on the test box door 2, a containing table 3 is arranged on the inner bottom wall of the test box body 1, a test body 4 is placed on the containing table 3, grooves 5 are embedded in two side walls of the test box body 1, the grooves 5 are communicated with the test box body 1, dust-cleaning and dust-proof air-permeable heat-dissipating mechanisms 6 are arranged on two side walls of the test box body 1, and a fan heat-dissipating assembly 7 is arranged below the inner top wall of the test box body 1; dust-cleaning, dust-preventing, ventilating and heat-dissipating mechanism 6 comprises a dust-proof heat-dissipating net 8, a driving motor 9, a lead screw 10 and a brush head 11, a baffle 12 is arranged at the position of a groove 5, the baffle 12 is arranged in two groups by taking the horizontal central line of the groove 5 as a symmetry axis, the dust-proof heat-dissipating net 8 is arranged in the groove 5, a protective shell 13 is arranged on two outer side walls of a test box body 1, the driving motor 9 is arranged under the top wall in the protective shell 13, the driving motor 9 is a servo motor, one end of the lead screw 10 is connected to the output end of the driving motor 9, the other end of the lead screw 10 is rotatably arranged on the bottom wall in the protective shell 13, a lead screw pair 14 is sleeved on the lead screw 10, a connecting rod 15 is arranged on the side wall of the lead screw pair 14, the connecting rod 15 is movably arranged on the side wall of the protective shell 13, the brush head 11 is arranged at one end of the connecting rod 15 far away from the lead screw pair 14, and the brush head 11 is in close contact with the dust-dissipating net 8.
Fan cooling module 7 includes rotating electrical machines 16, flabellum 17 and flow equalization net 18, and roof has flabellum shell 19 in experimental box 1, and rotating electrical machines 16 locates under the roof in the flabellum shell 19, and rotating electrical machines 16 down the output have the flabellum 17, and flow equalization net 18 runs through to inlay and locates the 19 diapalls of flabellum shell.
The test box body 1 is provided with a containing groove 20 under the inner top wall, the containing grooves 20 are arranged in two groups by taking the vertical central line of the test box body 1 as a symmetry axis, and a drying agent 21 is placed in the containing groove 20.
When the device is used specifically, the rotating motor 16 is started, the rotating motor 16 drives the fan blades 17 to rotate and blow air, the test body 4 in the test box body 1 is blown to dissipate heat, the dustproof heat dissipation net 8 prevents dust from entering the test box body 1 and can ensure air circulation inside and outside the test box body 1, the driving motor 9 is started simultaneously, the driving motor 9 drives the lead screw 10 to rotate, the lead screw pair 14 converts the rotary motion of the lead screw 10 into linear reciprocating motion, the lead screw pair 14 drives the brush head 11 to brush dust on the dustproof heat dissipation net 8 in a reciprocating manner through the connecting rod 15 to avoid the dust from being drawn into the test box body 1, the dust in the air can be reduced from falling into the test box body 1, meanwhile, hot air in the test box body 1 can be discharged out of the box body, the device forms air circulation between the inside and the outside, the heat dissipation function of the device is further improved, the drying agent 21 dries the water vapor on the inner wall of the test box body 1, damage to the internal components of the test body 4 is avoided.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1.一种变电站本地继电保护试验装置，其特征在于：包括试验箱体，所述试验箱体为一侧开口的中空腔体结构设置，所述试验箱体的开口端一侧通过铰链转动安装有与试验箱体相适配的试验箱门，所述试验箱体内底壁上设有盛放台，所述盛放台上放置有试验本体，所述试验箱体两侧壁上均嵌设有凹槽，所述凹槽与试验箱体连通设置，所述试验箱体两侧壁上均设有清灰防尘透气散热机构，所述试验箱体内顶壁下设有扇风散热组件；所述清灰防尘透气散热机构包括防尘散热网、驱动电机、丝杠和毛刷头，所述凹槽处设有挡板，所述挡板以凹槽的水平中心线为对称轴设置两组，所述防尘散热网安设于凹槽内，所述试验箱体的两外侧壁上设有保护外壳，所述驱动电机设于保护外壳内顶壁下，所述丝杠一端连接于驱动电机输出端，所述丝杠另一端可转动设于保护外壳内底壁上，所述丝杠上套设有丝杠副，所述丝杠副侧壁上设有衔接杆，所述衔接杆移动贯穿保护外壳侧壁设置，所述毛刷头设于衔接杆远离丝杠副的一端，所述毛刷头与防尘散热网紧密接触。1. a substation local relay protection test device, is characterized in that: comprise test case, described test case is the hollow cavity structure setting of one side opening, and the open end side of described test case is rotated by hinge A test box door adapted to the test box body is installed, a holding table is arranged on the bottom wall of the test box body, a test body is placed on the holding table, and both side walls of the test box body are embedded. There are grooves, the grooves are communicated with the test box body, the two side walls of the test box body are provided with dust-cleaning, dust-proof, ventilation and heat dissipation mechanisms, and the top wall of the test box body is provided with fan fan cooling components ; The dust-cleaning, dust-proof, air-permeable and heat-dissipating mechanism includes a dust-proof heat-dissipating net, a drive motor, a lead screw and a brush head, and a baffle is arranged at the groove, and the baffle takes the horizontal centerline of the groove as the axis of symmetry Two groups are provided, the dust-proof and heat-dissipating net is installed in the groove, the two outer side walls of the test box are provided with a protective casing, the driving motor is arranged under the inner top wall of the protective casing, and one end of the lead screw is Connected to the output end of the drive motor, the other end of the lead screw is rotatably arranged on the inner bottom wall of the protective casing, the lead screw is sleeved with a lead screw pair, and the side wall of the lead screw pair is provided with a connecting rod, so The connecting rod moves through the side wall of the protective casing, and the brush head is arranged at one end of the connecting rod away from the screw pair, and the brush head is in close contact with the dust-proof and heat-dissipating net. 2.根据权利要求1所述的一种变电站本地继电保护试验装置，其特征在于：所述扇风散热组件包括旋转电机、扇叶和均流网，所述试验箱体内顶壁下设有扇叶外壳，所述旋转电机设于扇叶外壳内顶壁下，所述旋转电机下输出端下设有扇叶，所述均流网贯穿嵌设于扇叶外壳底壁。2. A substation local relay protection test device according to claim 1, characterized in that: the fan fan cooling assembly comprises a rotating motor, a fan blade and a current equalizing net, and a top wall in the test box is provided with The fan blade casing, the rotating motor is arranged under the inner top wall of the fan blade casing, the lower output end of the rotating motor is provided with a fan blade, and the flow equalization net penetrates and is embedded in the bottom wall of the fan blade casing. 3.根据权利要求2所述的一种变电站本地继电保护试验装置，其特征在于：所述试验箱体内顶壁下设有盛放槽，所述盛放槽以试验箱体的竖直中心线为对称轴设置两组，所述盛放槽内放置有干燥剂。3. A substation local relay protection test device according to claim 2, characterized in that: a holding groove is provided under the top wall of the test box, and the holding groove is in the vertical center of the test box. The lines are two sets of symmetrical axes, and a desiccant is placed in the holding tank. 4.根据权利要求3所述的一种变电站本地继电保护试验装置，其特征在于：所述试验箱门上设有把手，所述试验箱门上设有密码锁。4 . A local relay protection test device of a substation according to claim 3 , wherein a handle is provided on the test box door, and a combination lock is provided on the test box door. 5 . 5.根据权利要求4所述的一种变电站本地继电保护试验装置，其特征在于：所述试验箱体下均匀设有垫块。5 . A local relay protection test device in a substation according to claim 4 , wherein a spacer is evenly arranged under the test box. 6 . 6.根据权利要求5所述的一种变电站本地继电保护试验装置，其特征在于：所述驱动电机为伺服电机。6. A substation local relay protection test device according to claim 5, wherein the drive motor is a servo motor.
CN202210398377.1A 2022-04-15 2022-04-15 Local relay protection test device of transformer substation Pending CN114660392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210398377.1A CN114660392A (en) 2022-04-15 2022-04-15 Local relay protection test device of transformer substation

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Application Number Priority Date Filing Date Title
CN202210398377.1A CN114660392A (en) 2022-04-15 2022-04-15 Local relay protection test device of transformer substation

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Publication Number Publication Date
CN114660392A true CN114660392A (en) 2022-06-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116583095A (en) * 2023-07-12 2023-08-11 武汉科能电气有限公司 Cable joint partial discharge test equipment
CN118354582A (en) * 2024-06-17 2024-07-16 国网山东省电力公司菏泽市定陶区供电公司 A multifunctional alarm device for monitoring power equipment faults

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208419212U (en) * 2018-06-07 2019-01-22 河源亿能环保科技有限公司 A kind of efficient air energy heat pump
CN211437344U (en) * 2019-12-27 2020-09-08 常熟市环境试验设备有限公司 Cleaning device for thermal aging test chamber
CN215117723U (en) * 2021-06-29 2021-12-10 广东新世恒建设有限公司 Fire alarm detector with dustproof function
CN215493908U (en) * 2021-09-29 2022-01-11 国网安徽省电力有限公司六安供电公司 A local relay protection test device for smart substation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208419212U (en) * 2018-06-07 2019-01-22 河源亿能环保科技有限公司 A kind of efficient air energy heat pump
CN211437344U (en) * 2019-12-27 2020-09-08 常熟市环境试验设备有限公司 Cleaning device for thermal aging test chamber
CN215117723U (en) * 2021-06-29 2021-12-10 广东新世恒建设有限公司 Fire alarm detector with dustproof function
CN215493908U (en) * 2021-09-29 2022-01-11 国网安徽省电力有限公司六安供电公司 A local relay protection test device for smart substation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116583095A (en) * 2023-07-12 2023-08-11 武汉科能电气有限公司 Cable joint partial discharge test equipment
CN116583095B (en) * 2023-07-12 2023-09-26 武汉科能电气有限公司 Cable joint partial discharge test equipment
CN118354582A (en) * 2024-06-17 2024-07-16 国网山东省电力公司菏泽市定陶区供电公司 A multifunctional alarm device for monitoring power equipment faults

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Application publication date: 20220624