CN203503227U

CN203503227U - A Model of Monitoring System of Air-conditioning Unit

Info

Publication number: CN203503227U
Application number: CN201320333511.6U
Authority: CN
Inventors: 海光美; 胡春玉; 靳涛
Original assignee: Jiangsu Maritime Institute
Current assignee: Jiangsu Maritime Institute
Priority date: 2013-06-09
Filing date: 2013-06-09
Publication date: 2014-03-26
Anticipated expiration: 2023-06-09

Abstract

The utility model relates to the technical field of teaching associated experimental equipment and particularly relates to an air conditioning unit monitor system model. The model comprises an upper layer casing and a lower layer casing. The upper layer casing internally comprises a cooling unit, an air blower, an air return fan, a room unit, an air channel unit and a water cooling unit, wherein the cooling unit comprises a compressor, a heat exchanger and an expansion valve. The lower layer casing internally comprises an electrical control unit, the electrical control unit is provided with a controller, an interface module and a power supply module, and the electrical control unit is externally connected with a computer terminal to control controller programming. The air channel unit is communicated with the air blower and the room unit to form an air circuit. The air conditioning unit monitor system model can perform system operating demonstrations of starting up and closing down and a system simulation load demonstration, and can adjust the opening of the expansion valve, so that the flow of refrigerated water for a blower fan coil pipe is adjusted. The air conditioning unit monitor system model is an ideal practical teaching device for learning the basic structure of an air conditioning system, working principles of the controller and parameter debugging.

Description

一种空调机组监控***模型A Model of Monitoring System of Air-conditioning Unit

技术领域 technical field

本实用新型涉及一种教学实训模型，尤其涉及一种应用于高校教学环节中的空调机组监控***教学实训模型。The utility model relates to a teaching and training model, in particular to a teaching and training model of an air-conditioning unit monitoring system used in the teaching links of colleges and universities.

背景技术 Background technique

楼宇设备监控***是楼宇智能化的基础，是楼宇智能化***的重要组成部分。由于行业的需要，近几年，我国大中城市的各类高等院校中增设智能楼宇相关专业的越来越多，各教仪公司也相继研发出成套的相关教学设备。这些成套教学设备大都价格不菲，单个监控子***实训设备都要在10万元左右；且体积较大，往往实验实训场所只能摆放1－2台，而学生人数众多，设备数量的限制导致这些设备只能用于教学演示而非实训操作，并不能切实锻炼和提高学生的实操能力。Building equipment monitoring system is the foundation of building intelligence and an important part of building intelligence system. Due to the needs of the industry, in recent years, more and more colleges and universities in my country's large and medium-sized cities have added more and more majors related to intelligent buildings, and various teaching instrument companies have also successively developed complete sets of related teaching equipment. Most of these complete sets of teaching equipment are expensive, and the training equipment for a single monitoring subsystem is about 100,000 yuan; and the volume is relatively large, and often only 1-2 sets can be placed in the experimental training place, and the number of students and the number of equipment Due to the limitations of these devices, these devices can only be used for teaching demonstrations rather than practical training operations, and cannot actually exercise and improve students' practical ability.

实用新型内容 Utility model content

为了克服上述技术上的缺陷，本实用新型提供了一种空调机组监控***教学模型。为解决上述问题，本实用新型的技术方案如下。In order to overcome the above-mentioned technical defects, the utility model provides a teaching model of an air-conditioning unit monitoring system. In order to solve the above problems, the technical scheme of the utility model is as follows.

一种空调机组监控***模型，该模型包括上下两层箱体，上层箱体内包括制冷单元、送风机、回风机、房间单元、风道单元及水冷单元，其中，所述制冷单元含有压缩机、换热器及膨胀阀；所述风道单元连通送风单元和房间单元,形成空气回路。下层箱体内包括电气控制单元，电气控制单元设有控制器、通讯模块、接口模块和电源模块，该通讯模块与外接计算机终端通过所述接口模块连接以实现对控制器远程编程控制。A monitoring system model of an air-conditioning unit, the model includes an upper and lower box body, the upper box body includes a refrigeration unit, a blower fan, a return fan, a room unit, an air duct unit and a water cooling unit, wherein the refrigeration unit includes a compressor, a A heater and an expansion valve; the air duct unit communicates with the air supply unit and the room unit to form an air circuit. The lower cabinet includes an electrical control unit, which is provided with a controller, a communication module, an interface module and a power supply module. The communication module is connected to an external computer terminal through the interface module to realize remote programming control of the controller.

优选的，所述送风单元为设置于所述房间单元顶部。Preferably, the air supply unit is arranged on the top of the room unit.

优选的，所述房间单元开有出风口与所述回风机对应。Preferably, the room unit has an air outlet corresponding to the return fan.

优选的，在所述送风机的出风口处设有传感装置。Preferably, a sensing device is provided at the air outlet of the blower.

优选的，所述送风机的入风口设有加湿单元。Preferably, the air inlet of the blower is provided with a humidifying unit.

优选的，在所述加湿单元的上风向处设有过滤器。Preferably, a filter is provided upwind of the humidification unit.

优选的，在所述送风机、回风机、过滤器上分别设有开关和指示灯。Preferably, a switch and an indicator light are respectively provided on the air blower, the return air fan and the filter.

本实用新型提供的空调机组监控***模型，可作开停机的***操作演示、***的模拟负荷演示,可以调节节流装置的开度,从而调节到风机盘管的冷冻水的流量,是学习空调机组***的基本结构、控制器工作原理及参数调试的理想实训教学装置。因此该模型全面提升了学生的对空调控制***的整体认知性和工程实践能力；并且成本较低，体积较小。The air-conditioning unit monitoring system model provided by the utility model can be used for system operation demonstration of starting and stopping, system simulation load demonstration, and can adjust the opening degree of the throttling device, thereby adjusting the flow rate of chilled water to the fan coil unit. It is an ideal training and teaching device for the basic structure of the unit system, the working principle of the controller and parameter debugging. Therefore, the model has comprehensively improved the students' overall cognition and engineering practice ability of the air conditioning control system; and the cost is low and the volume is small.

附图说明 Description of drawings

图1为上层箱体内部结构示意图；Figure 1 is a schematic diagram of the internal structure of the upper box;

图2为下层箱体内部模块图。Figure 2 is a diagram of the internal modules of the lower box.

具体实施方式 Detailed ways

下面结合附图和实施例进一步详细说明。Further details will be given below in conjunction with the accompanying drawings and embodiments.

如图1、2所示，一种空调机组监控***模型，该模型包括上下两层箱体，上层箱体内包括制冷单元1、送风机2、回风机3、房间单元4、风道单元5、用于检测温度和湿度的传感装置6和控制开关，其中，所述制冷单元1含有压缩机、换热器及膨胀阀；所述风道单元5连通送风机2和房间单元4,形成空气回路。下层箱体内包括电气控制单元7，电气控制单元7设有控制器8和通讯模块9、电源模块10、接口模块13；通过该通讯模块9与计算机终端通过接口模块13连接以实现对控制器8远程编程控制。As shown in Figures 1 and 2, a monitoring system model of an air-conditioning unit includes upper and lower cabinets, and the upper cabinet includes a refrigeration unit 1, a blower fan 2, a return fan 3, a room unit 4, an air duct unit Sensing device 6 and control switch for detecting temperature and humidity, wherein, the refrigeration unit 1 includes a compressor, a heat exchanger and an expansion valve; the air duct unit 5 communicates with the blower 2 and the room unit 4 to form an air circuit. The lower floor box includes an electrical control unit 7, the electrical control unit 7 is provided with a controller 8, a communication module 9, a power supply module 10, and an interface module 13; Remote programming control.

所述送风机2为设置于所述房间单元4顶部；所述房间单元4开有出风口与所述回风机3对应；在所述送风机的出风口处设有温度传感器；所述送风机2的入风口设有加湿单元11；在所述加湿单元的上风向处设有过滤器12；在所述送风机2、回风机3、过滤器12上分别设有开关和指示灯。The blower 2 is arranged on the top of the room unit 4; the room unit 4 has an air outlet corresponding to the return fan 3; a temperature sensor is provided at the air outlet of the blower; the inlet of the blower 2 A humidification unit 11 is provided at the tuyere; a filter 12 is provided at the upwind of the humidification unit; a switch and an indicator light are respectively provided on the blower 2 , the return fan 3 and the filter 12 .

实施例一Embodiment one

开始模拟实验时，电气控制单元已经调试好的控制程序，计算机终端调试完毕后与控制单元连接，打开电源开关，启动计算机终，运行监控程序，对机组运行进行全程监控。***检测水冷单元6、加湿单元11、过滤器12 、送风机2和回风机3的运转情况。***检测的模拟量包括冷却水进水温度和出水温度、冷却水进水压力和出水压力、室内空气温度与湿度。当***运行时，风开始向送风机2方向的入风口流动，并首先流经过滤器12进行洁净度过滤，之后流向制冷单元1与冷媒进行热交换，被冷却后的空气再流经加湿器11进行湿度调节，最后被送风机送入房间单元4对室内空气参数进行调节；房间单元4内的温湿度传感器检测房间实际温湿度与预设温湿度对比，当二者相等时，停止制冷过程。When starting the simulation experiment, the electrical control unit has already debugged the control program. After the computer terminal is debugged, it is connected to the control unit, the power switch is turned on, the computer terminal is started, and the monitoring program is run to monitor the operation of the unit. The system detects the running conditions of the water cooling unit 6, the humidifying unit 11, the filter 12, the blower 2 and the return blower 3. The analog quantities detected by the system include cooling water inlet temperature and outlet temperature, cooling water inlet pressure and outlet pressure, indoor air temperature and humidity. When the system is running, the air starts to flow to the air inlet of the blower 2, and first flows through the filter 12 for cleanliness filtration, and then flows to the refrigeration unit 1 for heat exchange with the refrigerant, and the cooled air then flows through the humidifier 11 for further purification. Humidity adjustment is finally sent to the room unit 4 by the blower to adjust the indoor air parameters; the temperature and humidity sensor in the room unit 4 detects the actual temperature and humidity of the room and compares it with the preset temperature and humidity. When the two are equal, the cooling process is stopped.

以上实施例仅是针对本实用新型做解释性阐述，并不局限于该种实施方式，能够实现本实用新型目的其他任何等同变换方式皆属于本实用新型的保护范围。The above embodiments are only explanatory illustrations for the utility model, and are not limited to this implementation mode. Any other equivalent transformation methods that can achieve the purpose of the utility model belong to the protection scope of the utility model.

Claims

1.一种空调机组监控***模型，包括相互叠加的上、下两层箱体， 1. A monitoring system model of an air-conditioning unit, including upper and lower boxes superimposed on each other,

上层箱体内包括制冷单元、送风机、回风机、房间单元、风道单元及水冷单元，其中，所述制冷单元包括压缩机、换热器及膨胀阀；所述风道单元连通送风单元和房间单元,形成空气回路。 The upper cabinet includes a refrigeration unit, a blower fan, a return fan, a room unit, an air duct unit and a water cooling unit, wherein the refrigeration unit includes a compressor, a heat exchanger and an expansion valve; the air duct unit communicates with the air supply unit and the room unit, forming an air circuit.

2. 根据权利要求1所述的空调机组监控***模型，其特征在于：所述下层箱体内包括电气控制单元，电气控制单元设有控制器、通讯模块、接口模块和电源模块。 2. The air-conditioning unit monitoring system model according to claim 1, characterized in that: the lower box includes an electrical control unit, and the electrical control unit is provided with a controller, a communication module, an interface module and a power module.

3. 根据权利要求1所述的空调机组监控***模型，其特征在于，所述送风单元设置于所述房间单元顶部。 3. The air conditioning unit monitoring system model according to claim 1, wherein the air supply unit is arranged on the top of the room unit.

4. 根据权利要求1所述的空调机组监控***模型，其特征在于，所述房间单元开有出风口与所述回风机的位置对应。 4. The air conditioning unit monitoring system model according to claim 1, wherein the room unit has an air outlet corresponding to the position of the return fan.

5. 根据权利要求1所述的空调机组监控***模型，其特征在于，在所述送风机的出风口处设有传感装置。 5. The air-conditioning unit monitoring system model according to claim 1, wherein a sensing device is arranged at the air outlet of the blower.

6. 根据权利要求1所述的空调机组监控***模型，其特征在于，所述送风机的入风口设有加湿单元。 6. The air-conditioning unit monitoring system model according to claim 1, wherein the air inlet of the blower is provided with a humidification unit.

7. 根据权利要求6所述的空调机组监控***模型，其特征在于，在所述加湿单元的上风向处设有过滤器。 7. The air-conditioning unit monitoring system model according to claim 6, wherein a filter is provided at the upwind of the humidification unit.

8. 根据权利要求6所述的空调机组监控***模型，其特征在于，在所述送风机、回风机、过滤器上分别设有开关和指示灯。 8. The air-conditioning unit monitoring system model according to claim 6, wherein a switch and an indicator light are respectively provided on the blower fan, the return fan, and the filter.