CN105514820B - A kind of anti-condensation monitoring system of communication base station electrical control cabinet - Google Patents
A kind of anti-condensation monitoring system of communication base station electrical control cabinet Download PDFInfo
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- H—ELECTRICITY
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- 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
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- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
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Abstract
本发明公开了一种通信基站电气控制柜防凝露监控系统，包括控制柜、执行单元、监测单元和控制单元，所述控制单元与所述执行单元和监测单元连接，所述执行单元包括设置在所述控制柜下方的加热机构，所述加热机构上方设置冷凝机构，对应所述冷凝机构设置导流机构，所述监测单元包括第一监测模块和第二监测模块，所述第一监测模块设置在所述控制柜内部，所述第二监测模块设置在所述控制柜外部。本发明能够对控制柜内是否发生凝露进行监测，并控制执行单元将凝露消除，且能够对控制柜内是否要发生凝露现象进行预测，对凝露现象从根本上去除，将凝露的危害降至最低，结构简单，利于实现。
The invention discloses an anti-condensation monitoring system for the electrical control cabinet of a communication base station, which includes a control cabinet, an execution unit, a monitoring unit and a control unit, the control unit is connected with the execution unit and the monitoring unit, and the execution unit includes a set In the heating mechanism below the control cabinet, a condensing mechanism is arranged above the heating mechanism, and a flow guiding mechanism is arranged corresponding to the condensing mechanism. The monitoring unit includes a first monitoring module and a second monitoring module, and the first monitoring module It is arranged inside the control cabinet, and the second monitoring module is arranged outside the control cabinet. The invention can monitor whether condensation occurs in the control cabinet, and control the execution unit to eliminate the condensation, and can predict whether the condensation phenomenon will occur in the control cabinet, fundamentally eliminate the condensation phenomenon, and eliminate the condensation phenomenon. The harm of the utility model is minimized, and the structure is simple, which is beneficial to realization.
Description
技术领域technical field
本发明涉及电子通信设备技术领域，具体涉及一种通信基站电气控制柜防凝露监控系统。The invention relates to the technical field of electronic communication equipment, in particular to an anti-condensation monitoring system for an electrical control cabinet of a communication base station.
背景技术Background technique
对于户外运行的高压断路器、组合电器等设备，其就地控制柜会因为户外环境潮湿、温度变化大等原因产生凝露，进而导致柜内二次元件的损坏、端子排短路、控制柜本身钢制零件的锈蚀等问题，从而对主设备的安全运行产生隐患。凝露是冷热空气对流而产生的。我国地域广阔，北方的冬天天气寒冷，通信基站内外温差较大，容易出现凝露；此外，在空气湿度较大的南方地区，冬季或雨季也极容易出现凝露现象，而一旦出现凝露现象，就容易引发电气柜内开关设备相间放电，造成故障，严重的甚至发生设备爆炸，造成柜内设备的损坏，引发严重的后果。For equipment such as high-voltage circuit breakers and combined electrical appliances that operate outdoors, condensation will occur in the local control cabinet due to factors such as outdoor humidity and large temperature changes, which will lead to damage to the secondary components in the cabinet, short-circuit of the terminal block, and damage to the control cabinet itself. Corrosion of steel parts and other issues will pose hidden dangers to the safe operation of the main equipment. Condensation is produced by the convection of hot and cold air. Our country has a vast territory, and the weather in the north is cold in winter. The temperature difference between the inside and outside of the communication base station is large, and condensation is prone to occur; , it is easy to cause the phase-to-phase discharge of the switchgear in the electrical cabinet, causing a fault, and even an explosion of the equipment in serious cases, causing damage to the equipment in the cabinet and causing serious consequences.
特别是对于通信基站而言，其分布的较为分散，因此不能保证每个基站内都有大量的工作人员来维持设备的安全运行，但是内部设置有大量的电器设备以及对应的电气控制柜，一些通信基站还设置在较偏僻的地方，空气的温度较低且湿度较大，极为容易发生凝露现象对电气控制柜内的设备造成损坏，人力的不足使得设备的使用安全遭受重大考验。目前存在一些防凝露的控制柜，但是或多或少存在一些不足，也有些并不适合通信基站内电气控制柜使用。Especially for communication base stations, the distribution is relatively scattered, so it cannot be guaranteed that there will be a large number of staff in each base station to maintain the safe operation of the equipment, but there are a large number of electrical equipment and corresponding electrical control cabinets inside, some The communication base station is also set up in a relatively remote place, where the air temperature is low and the humidity is high, which is extremely prone to condensation and damage to the equipment in the electrical control cabinet. The lack of manpower makes the use of the equipment a major test. At present, there are some anti-condensation control cabinets, but there are more or less deficiencies, and some are not suitable for the use of electrical control cabinets in communication base stations.
申请号为201310212068.1的发明提供了一种户外防凝露控制柜，包括 ：装在柜体上面的顶棚、柜体和设置在柜体两侧的通风窗口，所述柜体底部设置有加热装置。顶棚采用双层顶棚结构，上顶棚采用隔热材料斜顶结构，下顶棚采用栅格机构 ；柜体外刷浅色系油漆，内壁选用具有高憎水性的涂料进行涂装 ；所述柜体两侧的通风窗口，采用上下布置，在通风口装有滤网 ；所述加热装置采用常热型低功率发热元件，并安装有断线、短路报警装置。本控制柜能经受户外日晒雨雪等自然环境影响，并且采取热压自然通风法，在控制柜内设置加热器以提高柜内空气温度，同时辅以自然通风将外部干燥空气导入柜内，从而降低柜内空气湿度，避免凝露的发生，保护柜内电器元件。该装置在外界湿度也较大时防凝露效果不好。The invention with application number 201310212068.1 provides an outdoor anti-condensation control cabinet, including: a ceiling mounted on the cabinet, a cabinet and ventilation windows arranged on both sides of the cabinet, and a heating device is provided at the bottom of the cabinet. The ceiling adopts a double-layer ceiling structure, the upper ceiling adopts a heat-insulating material inclined roof structure, and the lower ceiling adopts a grid structure; the outside of the cabinet is painted with light-colored paint, and the inner wall is painted with a highly hydrophobic paint; the two sides of the cabinet The ventilation window is arranged up and down, and a filter is installed at the vent; the heating device adopts a normal-heat type low-power heating element, and is equipped with a disconnection and short-circuit alarm device. The control cabinet can withstand the influence of natural environment such as outdoor sun, rain, snow, etc., and adopts the hot-pressed natural ventilation method. A heater is installed in the control cabinet to increase the air temperature in the cabinet, and at the same time, natural ventilation is used to guide the external dry air into the cabinet. Thereby reducing the air humidity in the cabinet, avoiding the occurrence of condensation, and protecting the electrical components in the cabinet. The device has poor anti-condensation effect when the external humidity is also high.
申请号为201510262775.0的发明涉及电柜除湿装置技术领域，特别涉及一种顶置式电柜凝露除湿装置，包括控制柜和安装于电柜顶部并与电柜电性连接的凝露除湿装置，凝露除湿装置包括壳体和安装于壳体内的循环单元、除湿单元、雾化单元、加热单元和监测单元 ；壳体外设有用于与控制柜电性连接的接线端子 ；循环单元包括有进风管道、出风管道、吸气风扇和排气风扇 ；本发明的中的凝露除湿装置安装在电柜或母线桥架的顶部，便于巡检人员查看，不许占用电柜或母线桥架的内部空间 ；内置的检测单元可以实时监控电柜或母线桥架内部适度，并能通过循环单元实现潮湿空气强制抽出和干燥空气强制送入，最终达到对电柜或母线桥架内湿度和温度的调节。该电柜对于凝露发生后进行处理，反应较慢，对设备仍存在一定的危害。The invention with application number 201510262775.0 relates to the technical field of electric cabinet dehumidification devices, in particular to a top-mounted electric cabinet condensation dehumidification device, including a control cabinet and a condensation dehumidification device installed on the top of the electric cabinet and electrically connected to the electric cabinet. The exposed dehumidification device includes a shell and a circulation unit installed in the shell, a dehumidification unit, an atomization unit, a heating unit and a monitoring unit; the shell is provided with terminals for electrical connection with the control cabinet; the circulation unit includes an air inlet duct , air outlet duct, suction fan and exhaust fan; the condensation dehumidification device in the present invention is installed on the top of the electric cabinet or the busbar bridge, which is convenient for the inspection personnel to check, and the internal space of the electric cabinet or the busbar bridge is not allowed to be occupied; the built-in The unique detection unit can monitor the internal temperature of the electric cabinet or bus bridge in real time, and can realize the forced extraction of moist air and the forced feeding of dry air through the circulation unit, and finally achieve the adjustment of the humidity and temperature in the electric cabinet or bus bridge. The electric cabinet reacts slowly after the condensation occurs, and there is still a certain harm to the equipment.
发明内容Contents of the invention
本发明所要解决的问题是提供一种通信基站电气控制柜防凝露监控系统，能够对控制柜内是否发生凝露进行监测，并控制执行单元将凝露消除，且能够对控制柜内是否要发生凝露现象进行预测。The problem to be solved by the present invention is to provide an anti-condensation monitoring system for the electrical control cabinet of a communication base station, which can monitor whether condensation occurs in the control cabinet, and control the execution unit to eliminate the condensation, and can monitor whether there is condensation in the control cabinet. Predict the occurrence of condensation.
为解决上述技术问题，本发明所采取的技术方案是：In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
一种通信基站电气控制柜防凝露监控系统，包括控制柜、执行单元、监测单元和控制单元，所述控制单元与所述执行单元和监测单元连接，所述执行单元包括设置在所述控制柜下方的加热机构，所述加热机构上方设置冷凝机构，对应所述冷凝机构设置导流机构，所述监测单元包括第一监测模块和第二监测模块，所述第一监测模块设置在所述控制柜内部，所述第二监测模块设置在所述控制柜外部。An anti-condensation monitoring system for the electrical control cabinet of a communication base station, including a control cabinet, an execution unit, a monitoring unit, and a control unit, the control unit is connected to the execution unit and the monitoring unit, and the execution unit includes A heating mechanism under the cabinet, a condensing mechanism is arranged above the heating mechanism, and a flow guiding mechanism is arranged corresponding to the condensing mechanism, and the monitoring unit includes a first monitoring module and a second monitoring module, and the first monitoring module is arranged on the Inside the control cabinet, the second monitoring module is arranged outside the control cabinet.
进一步的，所述加热机构包括加热油管，所述加热油管内设置加热电阻丝，所述加热油管上设置散热片，所述加热电阻丝通过固态继电器与电源连接，所述固态继电器与所述控制单元连接。Further, the heating mechanism includes a heating oil pipe, a heating resistance wire is arranged in the heating oil pipe, a cooling fin is arranged on the heating oil pipe, the heating resistance wire is connected to a power supply through a solid state relay, and the solid state relay is connected to the control unit connection.
进一步的，所述冷凝机构包括半圆形冷凝板，所述冷凝板上设置透气孔和冷凝管道，所述冷凝管道内设置制冷介质，所述冷凝管道连接冷凝回路管，所述冷凝回路管内设置循环风扇，所述冷凝回路管上设置制冷器。Further, the condensing mechanism includes a semicircular condensing plate, and the condensing plate is provided with a vent hole and a condensing pipe, and a refrigerating medium is arranged in the condensing pipe, and the condensing pipe is connected to a condensing circuit pipe, and the condensing circuit pipe is provided with a A circulation fan, and a refrigerator is arranged on the condensing circuit pipe.
进一步的，所述导流机构包括所述冷凝板边缘下方设置的集液槽，所述集液槽连接设置通向室外的排水管。Further, the flow guide mechanism includes a liquid collection tank provided under the edge of the condensation plate, and the liquid collection tank is connected to a drain pipe leading to the outdoor.
进一步的，所述制冷介质采用惰性气体。Further, the refrigerant medium is an inert gas.
进一步的，所述第一监测模块包括第一凝露传感器。Further, the first monitoring module includes a first condensation sensor.
进一步的，所述第二监测模块包括柜体，所述柜体内设置第二凝露传感器，所述柜体上设置通孔。Further, the second monitoring module includes a cabinet body, a second condensation sensor is arranged in the cabinet body, and a through hole is arranged in the cabinet body.
进一步的，所述控制单元包括单片机芯片。Further, the control unit includes a single-chip microcomputer chip.
进一步的，所述控制单元通过通信单元与控制中心连接。Further, the control unit is connected with the control center through the communication unit.
进一步的，所述通信单元包括GPRS通信模块，所述控制中心包括上位机和报警器。Further, the communication unit includes a GPRS communication module, and the control center includes a host computer and an alarm.
本发明提供了一种通信基站电气控制柜防凝露监控系统，通过监测单元对是否发生凝露现象进行监测，其第一监测模块设置在控制柜内，对控制柜内的情况进行监测，可以在凝露现象发生时控制执行单元动作，防止凝露对控制柜内的设备造成伤害，第二监测模块可以设置在控制柜外或控制室外，对控制室外的环境进行监测，当控制室外发生凝露现象时说明空气潮湿度较大，此时也控制执行单元动作，防止控制柜内发生凝露现象，可以对即将发生的凝露进行预警。执行机构采用控制柜下方的加热机构对潮湿的空气进行加热，当热空气上升时遇到冷凝机构将空气中的水分冷凝成液态，流入导流机构便可将空气中的水分分离出来，降低控制柜内空气的湿度，通过加热并冷凝的方式对空气中水分的分离效果很好，且该方式可以保障控制柜的通风透气，不需要将控制柜与外界隔离，影响控制柜的散热效果。The invention provides an anti-condensation monitoring system for the electrical control cabinet of a communication base station. The monitoring unit monitors whether condensation occurs. The first monitoring module is set in the control cabinet to monitor the situation in the control cabinet. Control the action of the execution unit when condensation occurs to prevent condensation from causing damage to the equipment in the control cabinet. The second monitoring module can be installed outside the control cabinet or outside the control room to monitor the environment outside the control room. When condensation occurs outside the control cabinet When dew occurs, it means that the humidity of the air is high. At this time, the action of the execution unit is also controlled to prevent condensation in the control cabinet, and it can give an early warning of the upcoming condensation. The actuator uses the heating mechanism under the control cabinet to heat the humid air. When the hot air rises, it encounters the condensation mechanism and condenses the moisture in the air into a liquid state. When it flows into the diversion mechanism, the moisture in the air can be separated, reducing the control. The humidity of the air in the cabinet is very effective in separating the moisture in the air by heating and condensing, and this method can ensure the ventilation of the control cabinet without isolating the control cabinet from the outside world, which affects the heat dissipation effect of the control cabinet.
本发明能够对控制柜内是否发生凝露进行监测，并控制执行单元将凝露消除，且能够对控制柜内是否要发生凝露现象进行预测，对凝露现象从根本上去除，将凝露的危害降至最低，结构简单，利于实现。The invention can monitor whether condensation occurs in the control cabinet, and control the execution unit to eliminate the condensation, and can predict whether the condensation phenomenon will occur in the control cabinet, fundamentally eliminate the condensation phenomenon, and eliminate the condensation phenomenon. The harm of the utility model is minimized, and the structure is simple, which is beneficial to realization.
附图说明Description of drawings
下面结合附图对本发明作进一步描述：The present invention will be further described below in conjunction with accompanying drawing:
图1是本发明通信基站电气控制柜防凝露监控系统的系统结构图；Fig. 1 is the system structural diagram of the anti-condensation monitoring system of the electrical control cabinet of the communication base station of the present invention;
图2是本发明控制柜的结构示意图；Fig. 2 is the structural representation of control cabinet of the present invention;
图3是本发明执行单元的结构示意图；Fig. 3 is a schematic structural diagram of the execution unit of the present invention;
图4是本发明第二监测模块的结构示意图。Fig. 4 is a schematic structural diagram of the second monitoring module of the present invention.
具体实施方式detailed description
下面结合图1至图4对本发明技术方案进一步展示，具体实施方式如下：Below in conjunction with Fig. 1 to Fig. 4, the technical solution of the present invention is further shown, and the specific implementation is as follows:
实施例一Embodiment one
本实施例提供了一种通信基站电气控制柜防凝露监控系统，包括控制柜1、执行单元3、监测单元2和控制单元4，所述控制单元4与所述执行单元3和监测单元2连接，所述执行单元3包括设置在所述控制柜1下方的加热机构7，所述加热机构7上方设置冷凝机构8，对应所述冷凝机构8设置导流机构9，所述监测单元2包括第一监测模块5和第二监测模块6，所述第一监测模块5设置在所述控制柜1内部，所述第二监测模块6设置在所述控制柜1外部。This embodiment provides a communication base station electrical control cabinet anti-condensation monitoring system, including a control cabinet 1, an execution unit 3, a monitoring unit 2 and a control unit 4, the control unit 4 is connected with the execution unit 3 and the monitoring unit 2 connected, the execution unit 3 includes a heating mechanism 7 arranged under the control cabinet 1, a condensing mechanism 8 is arranged above the heating mechanism 7, and a flow guide mechanism 9 is arranged corresponding to the condensing mechanism 8, and the monitoring unit 2 includes A first monitoring module 5 and a second monitoring module 6 , the first monitoring module 5 is arranged inside the control cabinet 1 , and the second monitoring module 6 is arranged outside the control cabinet 1 .
通过监测单元对是否发生凝露现象进行监测，其第一监测模块设置在控制柜内，对控制柜内的情况进行监测，可以在凝露现象发生时控制执行单元动作，防止凝露对控制柜内的设备造成伤害，第二监测模块可以设置在控制柜外或控制室外，对控制室外的环境进行监测，当控制室外发生凝露现象时说明空气潮湿度较大，此时也控制执行单元动作，防止控制柜内发生凝露现象，可以对即将发生的凝露进行预警。执行机构采用控制柜下方的加热机构对潮湿的空气进行加热，当热空气上升时遇到冷凝机构将空气中的水分冷凝成液态，流入导流机构便可将空气中的水分分离出来，降低控制柜内空气的湿度，通过加热并冷凝的方式对空气中水分的分离效果很好，且该方式可以保障控制柜的通风透气，不需要将控制柜与外界隔离，影响控制柜的散热效果。The monitoring unit is used to monitor whether condensation occurs. The first monitoring module is installed in the control cabinet to monitor the situation in the control cabinet. When condensation occurs, the action of the execution unit can be controlled to prevent condensation from affecting the control cabinet. If the equipment in the control room causes damage, the second monitoring module can be installed outside the control cabinet or outside the control room to monitor the environment outside the control room. When condensation occurs outside the control room, it means that the air humidity is high. At this time, the action of the execution unit is also controlled. , to prevent condensation in the control cabinet, and to give early warning of the upcoming condensation. The actuator uses the heating mechanism under the control cabinet to heat the humid air. When the hot air rises, it encounters the condensation mechanism and condenses the moisture in the air into a liquid state. When it flows into the diversion mechanism, the moisture in the air can be separated, reducing the control. The humidity of the air in the cabinet is very effective in separating the moisture in the air by heating and condensing, and this method can ensure the ventilation of the control cabinet without isolating the control cabinet from the outside world, which affects the heat dissipation effect of the control cabinet.
所述第一监测模块5包括第一凝露传感器31。凝露传感器将含有强极性基的高分子电解质及其盐类高分子材料制成感湿电阻膜，利用高分子电解质在不同湿度下电离产生的导电离子数量不等使阻值变化，测定环境中的湿度，通过此原理来对凝露现象进行监测，可以将空气的湿度检测出来，并检测出是否发生凝露，体积小，控制简单适合在控制柜内使用。The first monitoring module 5 includes a first condensation sensor 31 . The condensation sensor uses the polymer electrolyte containing strong polar groups and its salt polymer material to make a moisture-sensitive resistive film, and uses the different numbers of conductive ions generated by the ionization of the polymer electrolyte at different humidity to change the resistance value and measure the environment. The humidity in the air, through this principle to monitor the condensation phenomenon, can detect the humidity of the air, and detect whether condensation occurs, small size, simple control, suitable for use in the control cabinet.
所述第二监测模块6包括柜体29，所述柜体29内设置第二凝露传感器32，所述柜体29上设置通孔30。第二凝露传感器也采用凝露传感器，在室外模拟一个控制柜的系统，柜体内的第二凝露传感器对室外是否发生凝露进行监测，在室外发生凝露时控制柜内也可能将要发生凝露，便可提前开启执行单元对控制柜内进行除湿，保证凝露不会发生。The second monitoring module 6 includes a cabinet body 29 , a second condensation sensor 32 is arranged inside the cabinet body 29 , and a through hole 30 is arranged on the cabinet body 29 . The second condensation sensor also uses a condensation sensor to simulate a control cabinet system outdoors. The second condensation sensor in the cabinet monitors whether condensation occurs outdoors. When condensation occurs outdoors, it may also occur in the control cabinet. If there is no condensation, the execution unit can be turned on in advance to dehumidify the control cabinet to ensure that condensation will not occur.
实施例二Embodiment two
本实施例提供了一种通信基站电气控制柜防凝露监控系统，包括控制柜1、执行单元3、监测单元2和控制单元4，所述控制单元4与所述执行单元3和监测单元2连接，所述执行单元3包括设置在所述控制柜1下方的加热机构7，所述加热机构7上方设置冷凝机构8，对应所述冷凝机构8设置导流机构9，所述监测单元2包括第一监测模块5和第二监测模块6，所述第一监测模块5设置在所述控制柜1内部，所述第二监测模块6设置在所述控制柜1外部。This embodiment provides a communication base station electrical control cabinet anti-condensation monitoring system, including a control cabinet 1, an execution unit 3, a monitoring unit 2 and a control unit 4, the control unit 4 is connected with the execution unit 3 and the monitoring unit 2 connected, the execution unit 3 includes a heating mechanism 7 arranged under the control cabinet 1, a condensing mechanism 8 is arranged above the heating mechanism 7, and a flow guide mechanism 9 is arranged corresponding to the condensing mechanism 8, and the monitoring unit 2 includes A first monitoring module 5 and a second monitoring module 6 , the first monitoring module 5 is arranged inside the control cabinet 1 , and the second monitoring module 6 is arranged outside the control cabinet 1 .
所述加热机构7包括加热油管15，所述加热油管15内设置加热电阻丝17，所述加热油管15上设置散热片16，所述加热电阻丝17通过固态继电器18与电源19连接，所述固态继电器18与所述控制单元4连接。加热油管内充入绝缘油，加热电阻丝对绝缘油进行升温，通过散热片将高温扩散开，对控制柜底部的湿冷空气进行加热，使其上升，固态继电器可以采用小电流信号控制大电流，适合控制单元进行控制，采用该种结构，加热升温较快，且加热的面积很大，对是冷空气的加热效果很好。The heating mechanism 7 includes a heating oil pipe 15, a heating resistance wire 17 is arranged in the heating oil pipe 15, a heat sink 16 is arranged on the heating oil pipe 15, and the heating resistance wire 17 is connected to a power supply 19 through a solid state relay 18, the The solid state relay 18 is connected with the control unit 4 . The heating oil pipe is filled with insulating oil, and the heating resistance wire heats up the insulating oil. The high temperature is diffused through the heat sink, and the wet and cold air at the bottom of the control cabinet is heated to make it rise. The solid state relay can use a small current signal to control a large current. It is suitable for the control unit to control. With this structure, the heating temperature rises quickly, and the heating area is large, and the heating effect of the cold air is very good.
所述冷凝机构8包括半圆形冷凝板22，所述冷凝板22上设置透气孔23和冷凝管道24，所述冷凝管道24内设置制冷介质28，所述冷凝管道24连接冷凝回路管25，所述冷凝回路管25内设置循环风扇26，所述冷凝回路管25上设置制冷器27。冷凝板采用不锈钢材质，透气孔能够让下方的空气上升进入控制柜上方，冷凝板与冷凝管道接触被降温，上升的热空气遇到脚冷的物体会将空气内的水分分离出来并附着在冷凝板上，半圆形冷凝板会将冷凝的水分沿着其形状滑落至边缘。冷凝管道的制冷依靠制冷介质，制冷介质在管道内通过循环风扇循环流通，并被制冷器降低温度。制冷器用导体连接两块不同的金属，接通直流电，则一个接点处温度降低，另一个接点处温度升高，将温度低的接电当作制冷源，结构简单，制冷的效果好。The condensing mechanism 8 includes a semicircular condensing plate 22, the condensing plate 22 is provided with an air vent 23 and a condensing pipe 24, the condensing pipe 24 is provided with a refrigerating medium 28, and the condensing pipe 24 is connected to the condensing circuit pipe 25, A circulation fan 26 is arranged inside the condensation circuit pipe 25 , and a refrigerator 27 is arranged on the condensation circuit pipe 25 . The condensing plate is made of stainless steel, and the ventilation holes allow the air below to rise into the top of the control cabinet. The condensing plate is in contact with the condensing pipe to cool down. When the rising hot air encounters objects with cold feet, the moisture in the air will be separated and attached to the condensation. On the board, the semi-circular condensation plate will slide the condensed moisture along its shape to the edge. The refrigeration of the condensing pipe depends on the refrigerant medium, which circulates through the circulation fan in the pipe and is lowered by the refrigerator. The refrigerator connects two different metals with a conductor, and when the direct current is connected, the temperature at one joint will drop, and the temperature at the other joint will rise, and the low-temperature connection will be used as a cooling source. The structure is simple and the cooling effect is good.
所述导流机构9包括所述冷凝板8边缘下方设置的集液槽20，所述集液槽20连接设置通向室外的排水管21。导流槽可以将冷凝出来的水分收集起来并通过排水管流至室外，导流槽形状为圆环型，设置在冷凝板边缘下方，对冷凝水的收集效果很好。The deflector mechanism 9 includes a liquid collecting tank 20 arranged under the edge of the condensation plate 8 , and the liquid collecting tank 20 is connected to a drain pipe 21 leading to the outdoor. The diversion groove can collect the condensed water and flow it to the outside through the drain pipe. The diversion groove is in the shape of a ring and is arranged under the edge of the condensation plate, which has a good effect on the collection of condensed water.
所述制冷介质28采用惰性气体。惰性气体可以作为制冷介质，且如二氧化碳和氮气，利于循环风扇推动其流通，且惰性气体在发生泄漏时不会对控制柜内的设备造成损坏，使用安全度较高。The refrigerant medium 28 is an inert gas. Inert gas can be used as a refrigeration medium, such as carbon dioxide and nitrogen, which is conducive to the circulation fan to promote its circulation, and the inert gas will not cause damage to the equipment in the control cabinet when it leaks, and the use safety is high.
实施例三Embodiment three
本实施例提供了一种通信基站电气控制柜防凝露监控系统，包括控制柜1、执行单元3、监测单元2和控制单元4，所述控制单元4与所述执行单元3和监测单元2连接，所述执行单元3包括设置在所述控制柜1下方的加热机构7，所述加热机构7上方设置冷凝机构8，对应所述冷凝机构8设置导流机构9，所述监测单元2包括第一监测模块5和第二监测模块6，所述第一监测模块5设置在所述控制柜1内部，所述第二监测模块6设置在所述控制柜1外部。This embodiment provides a communication base station electrical control cabinet anti-condensation monitoring system, including a control cabinet 1, an execution unit 3, a monitoring unit 2 and a control unit 4, the control unit 4 is connected with the execution unit 3 and the monitoring unit 2 connected, the execution unit 3 includes a heating mechanism 7 arranged under the control cabinet 1, a condensing mechanism 8 is arranged above the heating mechanism 7, and a flow guide mechanism 9 is arranged corresponding to the condensing mechanism 8, and the monitoring unit 2 includes A first monitoring module 5 and a second monitoring module 6 , the first monitoring module 5 is arranged inside the control cabinet 1 , and the second monitoring module 6 is arranged outside the control cabinet 1 .
所述控制单元4包括单片机芯片。单片机是一种集成电路芯片，是采用超大规模集成电路技术把具有数据处理能力的中央处理器CPU、随机存储器RAM、只读存储器ROM、多种I/O口和中断系统、定时器/计数器等功能集成到一块硅片上构成的一个小而完善的微型计算机系统，其体积较小，但是运算能力很强，可以将监测到的信息进行对比计算并控制执行单元进行动作，与固态继电器配合使用更加方便。The control unit 4 includes a single-chip microcomputer chip. Single-chip microcomputer is a kind of integrated circuit chip, which adopts VLSI technology to combine central processing unit CPU with data processing capability, random access memory RAM, read-only memory ROM, various I/O ports and interrupt systems, timers/counters, etc. It is a small and perfect microcomputer system composed of functions integrated on a silicon chip. It is small in size but has strong computing power. It can compare and calculate the monitored information and control the action of the execution unit. It is used in conjunction with solid-state relays. More convenient.
所述控制单元4通过通信单元10与控制中心12连接。控制单元与控制中心形成远程在线连接，对于无人值守的通信基站可以形成远距离的监测，若执行单元发生故障，控制柜内出现凝露现象，控制中心便可第一时间得到信息，利于对意外情况进行反应，提高设备使用的安全性。The control unit 4 is connected to a control center 12 through a communication unit 10 . The control unit and the control center form a remote online connection, which can form a long-distance monitoring for unattended communication base stations. If the execution unit fails and condensation occurs in the control cabinet, the control center can get the information at the first time, which is beneficial to Respond to unexpected situations and improve the safety of equipment use.
所述通信单元10包括GPRS通信模块11，所述控制中心12包括上位机13和报警器14。GPRS通信模块支持GPRS和短消息双通道传输数据，支持各家组态软件和用户自行开发软件系统，使用起来较为方便。控制中心设置上位机对控制单元进行控制，报警器可以在控制柜内发生凝露时进行报警。The communication unit 10 includes a GPRS communication module 11 , and the control center 12 includes a host computer 13 and an alarm 14 . The GPRS communication module supports GPRS and short message dual-channel data transmission, supports various configuration software and user-developed software systems, and is more convenient to use. The control center is equipped with a host computer to control the control unit, and the alarm can give an alarm when condensation occurs in the control cabinet.
本发明能够对控制柜内是否发生凝露进行监测，并控制执行单元将凝露消除，且能够对控制柜内是否要发生凝露现象进行预测，对凝露现象从根本上去除，将凝露的危害降至最低，结构简单，利于实现。The invention can monitor whether condensation occurs in the control cabinet, and control the execution unit to eliminate the condensation, and can predict whether the condensation phenomenon will occur in the control cabinet, fundamentally eliminate the condensation phenomenon, and eliminate the condensation phenomenon. The harm of the utility model is minimized, and the structure is simple, which is beneficial to realization.
最后说明的是，以上实施例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他修改或者等同替换，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。Finally, it is noted that the above embodiments are only used to illustrate the technical solution of the present invention without limitation, other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention, as long as they do not depart from the spirit and spirit of the technical solution of the present invention All should be included in the scope of the claims of the present invention.
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| CN109200776B (en) * | 2018-09-30 | 2024-04-09 | 国网河南省电力公司方城县供电公司 | Anti-condensation system between underground transformer substation equipment |
| CN113846875A (en) * | 2021-11-29 | 2021-12-28 | 四川宏华电气有限责任公司 | Condensation-preventing electric control room for field operation, control system and control method |
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