CN109449807B - A municipal underground power box - Google Patents
A municipal underground power box Download PDFInfo
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- CN109449807B CN109449807B CN201811619353.4A CN201811619353A CN109449807B CN 109449807 B CN109449807 B CN 109449807B CN 201811619353 A CN201811619353 A CN 201811619353A CN 109449807 B CN109449807 B CN 109449807B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
- H02B1/505—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor retractable installations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
- H02B7/08—Underground substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
一种市政用地埋式电力箱，本发明涉及电力设备技术领域，箱体固定嵌设在地下；电力箱活动设置在箱体的内部；驱动电机的输出端上固定设置有丝杆；支撑板底部的丝杆上固定套设有主动齿轮，螺杆上相对应的位置固定套设有从动齿轮；电力箱的顶部固定设置有挡水板；电力箱的顶部和挡水板均为弧形设置；电力箱的底部固定设置有数个穿线管；隔板与电力箱的后侧壁之间的内底板上固定设置有抽风机；抽风机的输出端固定连接有风管，风管的上端固定连接有排气管；电力箱顶面的左侧垂直固定设置有进气管，能够帮助电力箱的电力设备进行有效的散热，防止电气元件老化，同时能够减少电力箱在地下受潮，防止影响电力设备的正常工作，防止地面积水。
A municipal underground power box, the invention relates to the technical field of power equipment, the box body is fixedly embedded in the ground; the power box is movably arranged inside the box body; a screw rod is fixedly arranged on the output end of the driving motor; a driving gear is fixedly sleeved on the screw rod at the bottom of the supporting plate, and a driven gear is fixedly sleeved at the corresponding position on the screw rod; a water baffle is fixedly arranged on the top of the power box; the top of the power box and the water baffle are both arranged in an arc shape; a number of threading tubes are fixedly arranged on the bottom of the power box; an exhaust fan is fixedly arranged on the inner bottom plate between the partition and the rear side wall of the power box; an air duct is fixedly connected to the output end of the exhaust fan, and an exhaust pipe is fixedly connected to the upper end of the air duct; an air inlet pipe is vertically fixedly arranged on the left side of the top surface of the power box, which can help the power equipment of the power box to effectively dissipate heat and prevent the aging of electrical components, and at the same time can reduce the dampness of the power box underground, prevent the normal operation of the power equipment from being affected, and prevent water accumulation on the ground.
Description
技术领域Technical Field
本发明涉及电力设备技术领域，具体涉及一种市政用地埋式电力箱。The present invention relates to the technical field of electric power equipment, and in particular to a municipal underground power box.
背景技术Background technique
电力是以电能作为动力的能源。发明于19世纪70年代，电力的发明和应用掀起了第二次工业化高潮；20世纪出现的大规模电力系统是人类工程科学史上最重要的成就之一，是由发电、输电、变电、配电和用电等环节组成的电力生产与消费系统；它将自然界的一次能源通过机械能装置转化成电力，再经输电、变电和配电将电力供应到各用户。Electricity is an energy source that uses electrical energy as a driving force. Invented in the 1870s, the invention and application of electricity set off the second industrialization boom; the large-scale power system that emerged in the 20th century is one of the most important achievements in the history of human engineering science. It is a power production and consumption system composed of power generation, transmission, transformation, distribution and power consumption; it converts primary energy in nature into electricity through mechanical energy devices, and then supplies electricity to various users through transmission, transformation and distribution.
目前电力设备在建设的过程中，一些电力箱需要掩埋在地下，现有地埋式的电力箱在使用的过程中，存在以下缺点：1、地埋式电力箱由于其密封效果较好，导致其内部的电气元件散发的热量无法及时排出；2、地埋式电力箱由于掩埋在地下，极容易受潮，影响其内部的电力设备的正常工作；3、容易导致地面积水的发生，亟待改进。During the construction of current power equipment, some power boxes need to be buried underground. The existing underground power boxes have the following disadvantages during use: 1. Due to the good sealing effect of the underground power box, the heat emitted by the electrical components inside it cannot be discharged in time; 2. Since the underground power box is buried underground, it is very easy to be affected by moisture, affecting the normal operation of the power equipment inside it; 3. It is easy to cause water accumulation on the ground, which needs to be improved urgently.
发明内容Summary of the invention
本发明的目的在于针对现有技术的缺陷和不足，提供一种结构简单，设计合理、使用方便的市政用地埋式电力箱，能够帮助电力箱的电力设备进行有效的散热，防止电气元件老化，同时能够减少电力箱在地下受潮，防止影响电力设备的正常工作，防止地面积水。The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a municipal underground power box with a simple structure, reasonable design and easy use, which can help the power equipment in the power box to effectively dissipate heat and prevent aging of electrical components. At the same time, it can reduce the moisture of the power box underground, prevent it from affecting the normal operation of the power equipment, and prevent water accumulation on the ground.
为实现上述目的，本发明采用的技术方案是：它包含电力箱、箱门、搭扣；电力箱的前侧壁上通过合页旋转设置有箱门，箱门的右侧通过搭扣与电力箱固定连接；To achieve the above purpose, the technical solution adopted by the present invention is: it comprises a power box, a box door, and a buckle; the box door is rotatably provided on the front side wall of the power box through a hinge, and the right side of the box door is fixedly connected to the power box through a buckle;
它还包含箱体、驱动电机、挡水板、支撑板、丝杆、螺杆；箱体固定嵌设在地下；电力箱活动设置在箱体的内部；电力箱左下侧的箱体内底面上通过电机支架固定设置有驱动电机，驱动电机与电力箱内的电源连接；驱动电机的输出端上固定设置有丝杆；电力箱的底部固定设置有支撑板，丝杆通过螺纹旋转插设在支撑板的左侧；支撑板的右侧通过螺纹垂直旋转插设有螺杆，螺杆的上下两端分别通过轴承旋转设置在箱体的内顶面和内底面上；支撑板底部的丝杆上固定套设有主动齿轮，螺杆上相对应的位置固定套设有从动齿轮，且主动齿轮和从动齿轮通过链条连接；电力箱的顶部固定设置有挡水板；电力箱的顶部和挡水板均为弧形设置；电力箱的底部固定设置有数个穿线管，穿线管的上部穿过挡水板后，伸设在挡水板的上方；电力箱内部的后侧垂直固定设置有隔板，隔板上矩阵式固定开设有数个透气孔；隔板与电力箱的后侧壁之间的内底板上固定设置有抽风机，抽风机与电力箱内的电源连接；抽风机的输出端固定连接有风管，风管的上端固定连接有排气管，排气管固定设置在电力箱顶面的右侧；电力箱顶面的左侧垂直固定设置有进气管，且进气管与电力箱的内部连通设置。It also includes a box body, a driving motor, a water baffle, a support plate, a lead screw and a screw; the box body is fixedly embedded in the ground; the power box is movably arranged inside the box body; the driving motor is fixedly arranged on the bottom surface of the box body on the lower left side of the power box through a motor bracket, and the driving motor is connected to the power supply in the power box; a lead screw is fixedly arranged on the output end of the driving motor; a support plate is fixedly arranged on the bottom of the power box, and the lead screw is inserted on the left side of the support plate through thread rotation; a screw is inserted on the right side of the support plate through thread vertical rotation, and the upper and lower ends of the screw are respectively rotatably arranged on the inner top surface and inner bottom surface of the box body through bearings; a driving gear is fixedly sleeved on the lead screw at the bottom of the support plate, and a driven gear is fixedly sleeved on the corresponding position on the screw, and the driving gear and The driven gears are connected by a chain; a water baffle is fixedly provided on the top of the power box; the top and the water baffle of the power box are both arranged in an arc shape; a number of wire threading tubes are fixedly provided on the bottom of the power box, and the upper parts of the wire threading tubes pass through the water baffle and extend above the water baffle; a partition is vertically fixedly provided on the rear side of the interior of the power box, and a number of air holes are fixedly opened on the partition in a matrix manner; an exhaust fan is fixedly provided on the inner bottom plate between the partition and the rear side wall of the power box, and the exhaust fan is connected to the power supply in the power box; an air duct is fixedly connected to the output end of the exhaust fan, and an exhaust pipe is fixedly connected to the upper end of the air duct, and the exhaust pipe is fixedly provided on the right side of the top surface of the power box; an air intake pipe is vertically fixedly provided on the left side of the top surface of the power box, and the air intake pipe is connected to the interior of the power box.
进一步地，所述的穿线管为橡胶软管穿线管，穿线管的直径小于电源线的直径设置，使得穿线管与电源线之间紧密连接，减少雨水从穿线管进入到电力箱的内部。Furthermore, the threading tube is a rubber hose threading tube, and the diameter of the threading tube is set smaller than the diameter of the power line, so that the threading tube and the power line are tightly connected, reducing rainwater from entering the inside of the power box through the threading tube.
进一步地，所述的进气管和排气管均为直角弯管设置；进气管的进气端上和排气管的出气端上均固定设置有弧形挡板；弧形挡板将斜向吹送过来的风雨抵制住，防止雨水从进气管和排气管进入到电力箱的内部。Furthermore, the air inlet pipe and the exhaust pipe are both arranged as right-angle bends; arc-shaped baffles are fixedly arranged on the air inlet end of the air inlet pipe and the air outlet end of the exhaust pipe; the arc-shaped baffles resist the wind and rain blowing obliquely, preventing rainwater from entering the interior of the power box through the air inlet pipe and the exhaust pipe.
进一步地，所述的箱体的左右两侧壁上均固定设置有吸潮板，将箱体内潮湿的空气进行干燥，减少潮湿空气对电力箱表面的锈蚀。Furthermore, moisture absorbing plates are fixedly provided on the left and right side walls of the box body to dry the humid air in the box body and reduce the rust on the surface of the power box caused by the humid air.
进一步地，所述的挡水板的左右长度大于电力箱的左右长度设置，箱体的上边缘设有“L”形台阶，且挡水板的左右两侧边均搁置在“L”台阶上，挡水板将电力箱密封在箱体的内部，减少雨水以及恶劣天气对电力箱表面的锈蚀。Furthermore, the left and right lengths of the water baffle are set greater than the left and right lengths of the power box, an upper edge of the box body is provided with an "L"-shaped step, and the left and right sides of the water baffle are both placed on the "L" step. The water baffle seals the power box inside the box body, reducing the corrosion of the surface of the power box caused by rain and bad weather.
进一步地，所述的“L”形台阶与挡水板的底部之间固定设置有减震密封垫；电力箱在下降的过程中，挡水板对箱体的上边缘产生一定的冲击力，减震密封垫减少挡水板对箱体的上边缘的损伤，同时，减震密封垫增加了挡水板与箱体的上边缘之间的密封性，在雨水天气，防止雨水进入到箱体的内部。Furthermore, a shock-absorbing sealing pad is fixedly arranged between the "L"-shaped step and the bottom of the water baffle; when the power box is descending, the water baffle generates a certain impact force on the upper edge of the box body, and the shock-absorbing sealing pad reduces the damage of the water baffle to the upper edge of the box body. At the same time, the shock-absorbing sealing pad increases the sealing between the water baffle and the upper edge of the box body, preventing rainwater from entering the interior of the box body in rainy weather.
本发明的工作原理：将电力设备通过螺栓固定设置在电力箱的内部，电力设备的电源线穿过穿线管之后与外部电气设备进行连接；穿线管的弹性扩张力将电源线与穿线管内侧壁之间连接紧密，防止雨水从穿线管的上端进入到电力箱的内部；然后，关上箱门，通过搭扣将电力箱关闭；通过外部控制器将驱动电机打开，驱动电机驱动丝杆转动，丝杆带动其上的主动齿轮转动，由于链条的传动作用，从动齿轮开始带着螺杆转动，支撑板能够顺着丝杆和螺杆下降，从而使得电力箱开始下降；当电力箱下降到挡水板两侧与地面平齐时，停止，此时，挡水板与箱体的上边缘之间连接紧密，防止雨水进入箱体的内部，电力箱的顶面和挡水板均成拱形结构，防止雨水在电力箱的顶面积聚，减少电力箱内的电力设备受潮的可能性；电力箱内的电力设备在长时间工作之后产生热量，抽风机将电力箱内的热量抽送出去，电力箱内的空气减少，产生负压，外部空气通过进气管进入到电力箱的内部，这样如此循环散热。The working principle of the present invention is as follows: the power equipment is fixedly arranged inside the power box by bolts, and the power line of the power equipment is connected with the external electrical equipment after passing through the threading tube; the elastic expansion force of the threading tube tightly connects the power line and the inner wall of the threading tube to prevent rainwater from entering the power box from the upper end of the threading tube; then, the box door is closed and the power box is closed by a buckle; the driving motor is turned on by an external controller, and the driving motor drives the screw rod to rotate, and the screw rod drives the driving gear thereon to rotate, and due to the transmission effect of the chain, the driven gear starts to rotate with the screw rod, and the support plate can move along the screw rod and the screw rod. The water baffle is tightly connected to the upper edge of the box body to prevent rainwater from entering the interior of the box body. The top surface of the power box and the water baffle are both arched structures to prevent rainwater from accumulating on the top of the power box and reduce the possibility of the power equipment in the power box getting damp. The power equipment in the power box generates heat after working for a long time, and the exhaust fan extracts the heat in the power box. The air in the power box is reduced, generating negative pressure, and the outside air enters the interior of the power box through the air intake pipe, thus circulating and dissipating the heat.
采用上述结构后，本发明有益效果为：After adopting the above structure, the beneficial effects of the present invention are:
1、抽风机将电力箱内的热量抽送出去，外部空气通过进气管进入到电力箱的内部，能够帮助电力箱的电力设备进行有效的散热，防止电气元件老化；1. The exhaust fan extracts the heat in the power box, and the external air enters the power box through the air intake pipe, which can help the power equipment in the power box to dissipate heat effectively and prevent the aging of electrical components;
2、挡水板和电力箱的顶面呈拱形结构，防止地面积水，能够减少电力箱在地下受潮，防止影响电力设备的正常工作；2. The top surface of the water retaining plate and the power box is an arched structure to prevent water accumulation on the ground, reduce the moisture of the power box underground, and prevent the normal operation of the power equipment from being affected;
3、驱动电机通过丝杆和螺杆将电力箱进行升降，方便施工人员检修。3. The driving motor raises and lowers the power box through the lead screw and the screw rod, which is convenient for construction personnel to inspect and maintain.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
图1是本发明的结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2是图1中的A部放大示意图。FIG. 2 is an enlarged schematic diagram of portion A in FIG. 1 .
图3是本发明的电力箱的结构示意图。FIG. 3 is a schematic structural diagram of a power box of the present invention.
图4是本发明的隔板的结构示意图。FIG. 4 is a schematic structural diagram of a partition according to the present invention.
附图标记说明：Description of reference numerals:
电力箱1、箱门2、搭扣3、箱体4、驱动电机5、丝杆6、支撑板7、螺杆8、主动齿轮9、从动齿轮10、链条11、挡水板12、穿线管13、隔板14、透气孔15、抽风机16、风管17、排气管18、进气管19、吸潮板20、减震密封垫21、弧形挡板22、“L”台阶23。Power box 1, box door 2, buckle 3, box body 4, driving motor 5, lead screw 6, support plate 7, screw 8, driving gear 9, driven gear 10, chain 11, water baffle 12, threading tube 13, partition 14, air vent 15, exhaust fan 16, air duct 17, exhaust pipe 18, air inlet pipe 19, moisture absorption plate 20, shock-absorbing sealing pad 21, arc baffle 22, "L" step 23.
具体实施方式Detailed ways
下面结合附图对本发明作进一步的说明。The present invention will be further described below in conjunction with the accompanying drawings.
参看如图1-图4所示，本具体实施方式采用的技术方案是：它包含电力箱1（长度1000mm、宽度为800mm、高度为1200mm的带有防锈涂层的铁皮箱）、箱门2（与电力箱1的材质相同）、搭扣3；电力箱1的前侧壁上通过合页旋转设置有箱门2，合页的一侧通过螺栓与电力箱1的前侧壁固定连接，合页的另一侧通过螺栓与箱门2的前侧壁固定连接，箱门2的右侧通过搭扣3与电力箱1固定连接；As shown in FIGS. 1 to 4 , the technical solution adopted in this specific embodiment is: it comprises a power box 1 (a metal box with a length of 1000 mm, a width of 800 mm, and a height of 1200 mm and a rust-proof coating), a box door 2 (made of the same material as the power box 1), and a buckle 3; the box door 2 is rotatably provided on the front side wall of the power box 1 through a hinge, one side of the hinge is fixedly connected to the front side wall of the power box 1 through a bolt, the other side of the hinge is fixedly connected to the front side wall of the box door 2 through a bolt, and the right side of the box door 2 is fixedly connected to the power box 1 through a buckle 3;
它还包含箱体4、驱动电机5、挡水板12、支撑板7、丝杆6、螺杆8；箱体4固定嵌设在地下，箱体4通过焊接制成之后，先行预埋在地下，然后再进行箱体4外部的混凝土浇筑或是土质回填；电力箱1活动设置在箱体4的内部；电力箱1左下侧的箱体4内底面上通过电机支架和螺栓固定设置有驱动电机5，该驱动电机5采用的型号是60KTYZ，驱动电机5与电力箱1内的电源连接，驱动电机5的开关设置在地面外部的控制器上；驱动电机5的输出端上固定焊设有丝杆6；电力箱1的底部固定焊设有支撑板7，丝杆6通过螺纹旋转插设在支撑板7的左侧，驱动电机5驱动丝杆6转动，丝杆6带动支撑板上下；支撑板7的右侧通过螺纹垂直旋转插设有螺杆8，螺杆8的上下两端分别通过轴承旋转设置在箱体4的内顶面和内底面上，轴承的内侧壁与螺杆8固定连接，轴承的外侧壁固定焊接嵌设在箱体4的侧壁上；支撑板7底部的丝杆6上固定套设有主动齿轮9，螺杆8上相对应的位置固定套设有从动齿轮10，且主动齿轮9和从动齿轮10通过链条11连接；It also includes a box body 4, a driving motor 5, a water retaining plate 12, a support plate 7, a screw rod 6, and a screw rod 8; the box body 4 is fixedly embedded in the ground, and after the box body 4 is made by welding, it is first pre-buried in the ground, and then the concrete pouring or soil backfilling of the outside of the box body 4 is carried out; the power box 1 is movably arranged inside the box body 4; a driving motor 5 is fixedly arranged on the bottom surface of the box body 4 on the lower left side of the power box 1 through a motor bracket and bolts, and the model of the driving motor 5 is 60KTYZ, the driving motor 5 is connected to the power supply in the power box 1, and the switch of the driving motor 5 is arranged on the controller outside the ground; a screw rod 6 is fixedly welded on the output end of the driving motor 5; A support plate 7 is fixedly welded at the bottom of the force box 1, and a screw rod 6 is inserted on the left side of the support plate 7 through thread rotation. The driving motor 5 drives the screw rod 6 to rotate, and the screw rod 6 drives the support plate up and down; a screw rod 8 is inserted on the right side of the support plate 7 through thread vertical rotation, and the upper and lower ends of the screw rod 8 are respectively rotatably arranged on the inner top surface and the inner bottom surface of the box body 4 through bearings, and the inner side wall of the bearing is fixedly connected to the screw rod 8, and the outer side wall of the bearing is fixedly welded and embedded on the side wall of the box body 4; a driving gear 9 is fixedly sleeved on the screw rod 6 at the bottom of the support plate 7, and a driven gear 10 is fixedly sleeved at the corresponding position on the screw rod 8, and the driving gear 9 and the driven gear 10 are connected by a chain 11;
电力箱1的顶部固定焊设有挡水板12；电力箱1的顶部和挡水板12均为弧形设置，防止雨水在电力箱1的顶面积聚，减少电力箱1内的电力设备受潮的可能性；电力箱1的底部固定设置有数个穿线管13，穿线管13的上部穿过挡水板12后，伸设在挡水板12的上方；电力箱1内部的后侧垂直固定焊设有隔板14，隔板14上矩阵式固定开设有数个透气孔15，将隔板14前侧的电力箱1内的电力设备散发的热量传输到隔板14后侧的电力箱1内；隔板14与电力箱1的后侧壁之间的内底板上通过螺栓固定设置有抽风机16（采用的是离心风机高压旋涡气泵轴流风机），抽风机16与电力箱1内的电源连接，抽风机16的开关设置地面上部的控制器上；抽风机16的输出端通过法兰和螺栓固定连接有风管17，风管17的上端固定连接有排气管18，排气管18固定焊设在电力箱1顶面的右侧；电力箱1顶面的左侧垂直固定焊设有进气管19，且进气管19与电力箱1的内部连通设置。A water baffle 12 is fixedly welded on the top of the power box 1; the top of the power box 1 and the water baffle 12 are both arc-shaped to prevent rainwater from accumulating on the top of the power box 1 and reduce the possibility of the power equipment in the power box 1 getting damp; a plurality of threading tubes 13 are fixedly arranged on the bottom of the power box 1, and the upper part of the threading tubes 13 passes through the water baffle 12 and extends above the water baffle 12; a partition 14 is vertically fixedly welded on the rear side of the inside of the power box 1, and a plurality of air holes 15 are fixedly opened in a matrix on the partition 14 to transfer the heat emitted by the power equipment in the power box 1 on the front side of the partition 14 to the power box on the rear side of the partition 14 1; an exhaust fan 16 (a centrifugal fan, a high-pressure vortex air pump, and an axial flow fan) is fixedly provided on the inner bottom plate between the partition 14 and the rear side wall of the power box 1 by bolts, the exhaust fan 16 is connected to the power supply in the power box 1, and the switch of the exhaust fan 16 is set on the controller on the upper part of the ground; the output end of the exhaust fan 16 is fixedly connected to the air duct 17 by a flange and bolts, the upper end of the air duct 17 is fixedly connected to the exhaust pipe 18, and the exhaust pipe 18 is fixedly welded to the right side of the top surface of the power box 1; an air intake pipe 19 is vertically fixedly welded on the left side of the top surface of the power box 1, and the air intake pipe 19 is connected to the inside of the power box 1.
进一步地，所述的穿线管13为橡胶软管穿线管13，穿线管13的直径小于电源线的直径设置，使得穿线管13与电源线之间紧密连接，减少雨水从穿线管13进入到电力箱1的内部。Furthermore, the wire threading tube 13 is a rubber hose wire threading tube 13, and the diameter of the wire threading tube 13 is set smaller than the diameter of the power line, so that the wire threading tube 13 and the power line are tightly connected, reducing rainwater from entering the inside of the power box 1 through the wire threading tube 13.
进一步地，所述的进气管19和排气管18均为直角弯管设置，防止进气管19和排气管18朝天时，雨水直接进入到电力箱1的内部；进气管19的进气端上和排气管18的出气端上均固定焊设有弧形挡板22；弧形挡板22将斜向吹送过来的风雨抵制住，防止雨水从进气管19和排气管18进入到电力箱1的内部。Furthermore, the air inlet pipe 19 and the exhaust pipe 18 are both arranged in right-angle bends to prevent rainwater from directly entering the interior of the power box 1 when the air inlet pipe 19 and the exhaust pipe 18 are facing the sky; an arc-shaped baffle 22 is fixedly welded on the air inlet end of the air inlet pipe 19 and the air outlet end of the exhaust pipe 18; the arc-shaped baffle 22 resists the wind and rain blowing obliquely, preventing rainwater from entering the interior of the power box 1 through the air inlet pipe 19 and the exhaust pipe 18.
进一步地，所述的箱体4的左右两侧壁上均通过螺栓固定设置有吸潮板20（采用的是氧化钙颗粒混有粗纤维通过胶粘制成），将箱体4内潮湿的空气进行干燥，减少潮湿空气对电力箱1表面的锈蚀。Furthermore, moisture absorbing plates 20 (made of calcium oxide particles mixed with coarse fibers and glued together) are fixed on the left and right side walls of the box body 4 by bolts to dry the humid air in the box body 4 and reduce the corrosion of the surface of the power box 1 by the humid air.
进一步地，所述的挡水板12的左右长度大于电力箱1的左右长度设置，箱体4的上边缘设有“L”形台阶23，且挡水板12的左右两侧边均搁置在“L”台阶23上，挡水板12将电力箱1密封在箱体4的内部，减少雨水以及恶劣天气对电力箱1表面的锈蚀。Furthermore, the left and right lengths of the water baffle 12 are set greater than the left and right lengths of the power box 1, an upper edge of the box body 4 is provided with an "L"-shaped step 23, and both left and right sides of the water baffle 12 are placed on the "L" step 23. The water baffle 12 seals the power box 1 inside the box body 4, reducing the corrosion of the surface of the power box 1 caused by rain and bad weather.
进一步地，所述的“L”形台阶23与挡水板12的底部之间通过胶粘固定贴设有减震密封垫21（采用的是橡胶材质）；电力箱1在下降的过程中，挡水板12对箱体4的上边缘产生一定的冲击力，减震密封垫21减少挡水板12对箱体4的上边缘的损伤，同时，减震密封垫21增加了挡水板12与箱体4的上边缘之间的密封性，在雨水天气，防止雨水进入到箱体4的内部。Furthermore, a shock-absorbing sealing pad 21 (made of rubber) is fixed between the "L"-shaped step 23 and the bottom of the water baffle 12 by gluing; when the power box 1 is descending, the water baffle 12 generates a certain impact force on the upper edge of the box body 4, and the shock-absorbing sealing pad 21 reduces the damage of the water baffle 12 to the upper edge of the box body 4. At the same time, the shock-absorbing sealing pad 21 increases the sealing between the water baffle 12 and the upper edge of the box body 4, preventing rainwater from entering the interior of the box body 4 in rainy weather.
本具体实施方式的工作原理：将电力设备通过螺栓固定设置在电力箱1的内部，电力设备的电源线穿过穿线管13之后与外部电气设备进行连接；穿线管13的弹性扩张力将电源线与穿线管13内侧壁之间连接紧密，防止雨水从穿线管13的上端进入到电力箱1的内部；然后，关上箱门2，通过搭扣3将电力箱1关闭；通过外部控制器将驱动电机5打开，驱动电机5驱动丝杆6转动，丝杆6带动其上的主动齿轮9转动，由于链条11的传动作用，从动齿轮10开始带着螺杆8转动，支撑板7能够顺着丝杆6和螺杆8下降，从而使得电力箱1开始下降；当电力箱1下降到挡水板12两侧与地面平齐时，停止，此时，挡水板12与箱体4的上边缘之间连接紧密，防止雨水进入箱体4的内部，电力箱1的顶面和挡水板12均成拱形结构，防止雨水在电力箱1的顶面积聚，减少电力箱1内的电力设备受潮的可能性；电力箱1内的电力设备在长时间工作之后产生热量，抽风机16将电力箱1内的热量抽送出去，电力箱1内的空气减少，产生负压，外部空气通过进气管19进入到电力箱1的内部，这样如此循环散热。The working principle of this specific embodiment is as follows: the power equipment is fixedly arranged inside the power box 1 by bolts, and the power line of the power equipment is connected to the external electrical equipment after passing through the threading tube 13; the elastic expansion force of the threading tube 13 tightly connects the power line and the inner wall of the threading tube 13 to prevent rainwater from entering the power box 1 from the upper end of the threading tube 13; then, the box door 2 is closed, and the power box 1 is closed by the buckle 3; the drive motor 5 is turned on by the external controller, and the drive motor 5 drives the screw rod 6 to rotate, and the screw rod 6 drives the active gear 9 thereon to rotate, and due to the transmission action of the chain 11, the driven gear 10 starts to rotate with the screw rod 8, and the support plate 7 can rotate along the screw rod 6 and screw 8 descend, so that the power box 1 begins to descend; when the power box 1 descends to the point where both sides of the water baffle 12 are flush with the ground, it stops. At this time, the water baffle 12 is tightly connected to the upper edge of the box body 4 to prevent rainwater from entering the interior of the box body 4. The top surface of the power box 1 and the water baffle 12 are both arched structures to prevent rainwater from accumulating on the top of the power box 1, reducing the possibility of the power equipment in the power box 1 getting damp; the power equipment in the power box 1 generates heat after working for a long time, and the exhaust fan 16 extracts the heat in the power box 1 out, the air in the power box 1 is reduced, and negative pressure is generated. External air enters the interior of the power box 1 through the air inlet pipe 19, and the heat is dissipated in this way.
采用上述结构后，本具体实施方式有益效果为：After adopting the above structure, the beneficial effects of this specific implementation are:
1、抽风机16将电力箱1内的热量抽送出去，外部空气通过进气管19进入到电力箱1的内部，能够帮助电力箱1的电力设备进行有效的散热，防止电气元件老化；1. The exhaust fan 16 extracts the heat in the power box 1, and the external air enters the power box 1 through the air inlet pipe 19, which can help the power equipment in the power box 1 to dissipate heat effectively and prevent the electrical components from aging;
2、挡水板12和电力箱1的顶面呈拱形结构，防止地面积水，能够减少电力箱1在地下受潮，防止影响电力设备的正常工作；2. The water retaining plate 12 and the top surface of the power box 1 are in an arched structure to prevent water accumulation on the ground, reduce the moisture of the power box 1 underground, and prevent the normal operation of the power equipment from being affected;
3、驱动电机5通过丝杆6和螺杆8将电力箱1进行升降，方便施工人员检修。3. The driving motor 5 raises and lowers the power box 1 through the lead screw 6 and the screw 8, which is convenient for construction personnel to inspect and repair.
以上所述，仅用以说明本发明的技术方案而非限制，本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换，只要不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。The above description is only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.
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| CN115425542B (en) * | 2022-10-21 | 2023-07-04 | 山东瑞科成套电气有限公司 | High-reliability sedimentation type annular power distribution cabinet for underground work |
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