CN206073370U - Public Areas Associated with Metro Station air conditioner fresh air control system - Google Patents
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000002528 anti-freeze Effects 0.000 claims description 13
- 230000001717 pathogenic effect Effects 0.000 claims 2
- 239000002826 coolant Substances 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 22
- 238000004378 air conditioning Methods 0.000 description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 4
- 238000012938 design process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及一种空调技术领域，具体涉及一种地铁车站公共区空调新风控制***。The utility model relates to the technical field of air conditioning, in particular to an air conditioning fresh air control system in public areas of subway stations.
背景技术Background technique
目前，地铁车站公共区通风空调***设计过程中，依据《地铁设计规范》(GB50157-2013)，规定“采用空调***时，每个乘客每小时需供应的新鲜空气量不小于12.6m3/h。”该规范另一规定于此相关，即：“地下车站公共区内的二氧化碳(CO2)日平均浓度应小于1.5‰”。此外高慧翔一篇论文《地铁车站公共区通风空调***空调负荷计算》中写到“对于单位人员新风量，不能简单的取12.6m3/h这一定值，应根据室内CO2浓度进行确定。”At present, in the design process of the ventilation and air-conditioning system in the public area of the subway station, according to the "Subway Design Code" (GB50157-2013), it is stipulated that "when the air-conditioning system is used, the amount of fresh air to be supplied per hour for each passenger shall not be less than 12.6m 3 /h Another provision of the specification is related to this, namely: "The daily average concentration of carbon dioxide (CO 2 ) in the public area of an underground station should be less than 1.5‰." In addition, Gao Huixiang wrote in a paper "Air Conditioning Load Calculation of Ventilation and Air Conditioning Systems in Public Areas of Metro Stations" that "For the fresh air volume of unit personnel, the constant value of 12.6m 3 /h cannot be simply taken, and it should be determined according to the indoor CO 2 concentration."
地铁车站公共区通风空调***设计过程中，设计人员依据现有规范进行空调***的设计，对于新风***缺乏***认识，因为地铁车站乘客人数随着时间变化而变化，客流量会有显著差异，因此地铁车站所需新风量是个动态值。如果单纯按照现有规范进行设计，会导致后期出现新风量不足或过大，新风量不足则会影响地铁乘客人员的舒适性，新风量过大则造成能源的浪费和初投资的增加。During the design process of the ventilation and air-conditioning system in the public area of the subway station, the designers design the air-conditioning system according to the existing specifications, and lack a systematic understanding of the fresh air system, because the number of passengers in the subway station changes with time, and the passenger flow will have significant differences. Therefore, The required fresh air volume of a subway station is a dynamic value. If the design is simply carried out according to the existing specifications, the fresh air volume will be insufficient or too large in the later stage. Insufficient fresh air volume will affect the comfort of subway passengers, and excessive fresh air volume will cause waste of energy and increase the initial investment.
发明内容Contents of the invention
为了解决地铁车站公共区通风空调***设计过程中新风量不足或过大的问题，依据公共区CO2浓度与乘客人员密度有着直接的关联，本实用新型通过在地铁车站公共区设置CO2浓度传感器实时采集CO2的浓度，据此调节新风阀的开启度，从而调节送风量。In order to solve the problem of insufficient or excessive fresh air volume in the design process of the ventilation and air-conditioning system in the public area of the subway station, according to the fact that the CO2 concentration in the public area is directly related to the density of passengers, the utility model sets the CO2 concentration sensor in the public area of the subway station The concentration of CO2 is collected in real time, and the opening degree of the fresh air valve is adjusted accordingly to adjust the air supply volume.
为了实现上述目的，本实用新型所采用的技术方案是：In order to achieve the above object, the technical solution adopted in the utility model is:
地铁车站公共区空调新风控制***，包括用于***总控制的DDC控制器，若干个用于采集公共区CO2浓度的CO2浓度传感器，用于调节新风量的新风阀执行器和用于提供新鲜空气的新风机组，所述CO2浓度传感器的输出信号接入DDC控制器的输入端口，所述新风阀执行器3和新风机组4的输入端接入DDC控制器1的输出端口。Air-conditioning fresh air control system in public areas of subway stations, including DDC controller for overall system control, several CO2 concentration sensors for collecting CO2 concentration in public areas, fresh air valve actuators for adjusting fresh air volume and for providing For the fresh air unit of fresh air, the output signal of the CO2 concentration sensor is connected to the input port of the DDC controller, and the input ends of the fresh air valve actuator 3 and the fresh air unit 4 are connected to the output port of the DDC controller 1.
进一步的，还包括用于采集新风温湿度的新风温湿度传感器，用于采集送风温湿度及新风机组盘管温度的送风温湿度传感器，用于调节冷媒水流量的水阀调节执行器，所述新风温湿度传感器和送风温湿度传感器的输出信号接入DDC控制器的输入端口，所述DDC控制器的输出端口接入水阀调节执行器的控制输入信号。Further, it also includes a fresh air temperature and humidity sensor for collecting the fresh air temperature and humidity, a supply air temperature and humidity sensor for collecting the supply air temperature and humidity and the coil temperature of the fresh air unit, and a water valve adjustment actuator for adjusting the refrigerant water flow, The output signals of the fresh air temperature and humidity sensor and the supply air temperature and humidity sensor are connected to the input port of the DDC controller, and the output port of the DDC controller is connected to the control input signal of the water valve regulating actuator.
进一步的，所述水阀调节执行器安装在新风机组的回水管上，新风阀执行器安装在新风机组的进风管处。Further, the water valve adjustment actuator is installed on the return pipe of the fresh air unit, and the fresh air valve actuator is installed at the air inlet pipe of the fresh air unit.
进一步的，所述新风温湿度传感器和送风温湿度传感器分别安装在新风机组的进口和出口稳定气流处。Further, the fresh air temperature and humidity sensor and the supply air temperature and humidity sensor are respectively installed at the inlet and outlet stable airflow of the fresh air unit.
进一步的，还包括防冻报警器，所述防冻报警器的输出信号接入DDC控制器的输入端口。Further, it also includes an antifreeze alarm, and the output signal of the antifreeze alarm is connected to the input port of the DDC controller.
进一步的，所述DDC控制器1和所有传感器之间，DDC控制器1和控制器之间均通过2芯无极性双绞线连接，所述控制器包括新风阀执行器、水阀调节执行器和防冻报警器。Further, between the DDC controller 1 and all sensors, and between the DDC controller 1 and the controller are connected through 2-core non-polar twisted pair, the controller includes fresh air valve actuators, water valve adjustment actuators and antifreeze alarm.
与现有技术相比，本实用新型至少具有以下有益效果，本实用新型通过在地铁车站公共区设置若干个CO2浓度传感器实时采集CO2的浓度，将采集到的数据传递至DDC控制器，由DDC控制器调节新风阀的开启度，从而调节送风量，解决了地铁公共区新风量不足或过大的问题，即节约了能源，同时也保证了地铁公共区乘客人员的舒适性。Compared with the prior art, the utility model has at least the following beneficial effects. The utility model collects the concentration of CO in real time by setting several CO concentration sensors in the public area of the subway station, and transmits the collected data to the DDC controller, The opening degree of the fresh air valve is adjusted by the DDC controller to adjust the air supply volume, which solves the problem of insufficient or excessive fresh air volume in the public area of the subway, which saves energy and ensures the comfort of passengers in the public area of the subway.
进一步的，还包括用于采集新风温湿度的新风温湿度传感器，用于采集送风温湿度及新风机组盘管温度的送风温湿度传感器，用于调节冷媒水流量的水阀调节执行器，新风温湿度传感器和送风温湿度传感器的输出信号接入DDC控制器的输入端口，DDC控制器的输出端口接入水阀调节执行器5的控制输入信号，在调节新风量的同时，调节温度，提高乘客的舒适感。Further, it also includes a fresh air temperature and humidity sensor for collecting the fresh air temperature and humidity, a supply air temperature and humidity sensor for collecting the supply air temperature and humidity and the coil temperature of the fresh air unit, and a water valve adjustment actuator for adjusting the refrigerant water flow, The output signals of the fresh air temperature and humidity sensor and the supply air temperature and humidity sensor are connected to the input port of the DDC controller, and the output port of the DDC controller is connected to the control input signal of the water valve adjustment actuator 5, and the temperature is adjusted while the fresh air volume is adjusted. , to improve passenger comfort.
进一步的，水阀调节执行器安装在新风机组的回水管上，新风阀执行器安装在新风机组的进风管处，减小其对新风机组的影响。Further, the water valve adjustment actuator is installed on the return pipe of the fresh air unit, and the fresh air valve actuator is installed at the air inlet pipe of the fresh air unit, so as to reduce its influence on the fresh air unit.
进一步的，新风温湿度传感器和送风温湿度传感器分别安装在新风机组的进口和出口稳定气流处，采集的数据准确度高，使DDC控制器控制精准。Furthermore, the fresh air temperature and humidity sensor and the supply air temperature and humidity sensor are respectively installed at the inlet and outlet of the fresh air unit at the stable air flow, and the collected data is highly accurate, making the DDC controller control precise.
进一步的，还包括防冻报警器，防冻报警器的输出信号接入DDC控制器的输入端口，当新风机组盘管温度低于一定限值时，防冻报警器发出报警信号，提醒工作人员采取措施，防止盘管冻裂。Further, it also includes an antifreeze alarm. The output signal of the antifreeze alarm is connected to the input port of the DDC controller. When the coil temperature of the fresh air unit is lower than a certain limit, the antifreeze alarm sends out an alarm signal to remind the staff to take measures. Prevent the coil from freezing and cracking.
进一步的，DDC控制器1和所有传感器之间，DDC控制器1和控制器之间均通过2芯无极性双绞线连接，所述控制器包括新风阀执行器、水阀调节执行器和防冻报警器，具有抗干扰能力强、传输距离远、布线容易、价格低廉等优点。Further, between the DDC controller 1 and all the sensors, and between the DDC controller 1 and the controller are connected through a 2-core non-polar twisted pair. The controller includes the fresh air valve actuator, the water valve adjustment actuator and the antifreeze The alarm has the advantages of strong anti-interference ability, long transmission distance, easy wiring and low price.
附图说明Description of drawings
图1为本实用新型示意图。Fig. 1 is the utility model schematic diagram.
附图中：1、DDC控制器；2、新风温湿度传感器；3、新风阀执行器；4、新风机组；5、水阀调节执行器；6、送风温湿度传感器；7、防冻报警器；8、CO2浓度传感器。In the drawings: 1. DDC controller; 2. Fresh air temperature and humidity sensor; 3. Fresh air valve actuator; 4. Fresh air unit; 5. Water valve adjustment actuator; 6. Air supply temperature and humidity sensor; 7. Antifreeze alarm ; 8, CO 2 concentration sensor.
具体实施方式detailed description
下面结合附图和具体实施方式对本实用新型做进一步说明。The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.
参见图1，一种地铁车站公共区空调新风控制***，包括用于***总控制的DDC控制器1，若干个(具体数量由整个区域的面积及功能确定)用于采集公共区CO2浓度的CO2浓度传感器8，用于调节新风量的新风阀执行器3，用于提供新鲜空气的新风机组4，用于采集新风温湿度的新风温湿度传感器2，用于采集送风温湿度及新风机组盘管温度的送风温湿度传感器6，用于调节冷媒水流量的水阀调节执行器5和用于发出报警信号的防冻报警器7，所述CO2浓度传感器8、新风温湿度传感器2和送风温湿度传感器6的输出信号接入DDC控制器1的输入端口，所述新风阀执行器3、新风机组4和水阀调节执行器5的输入端接入DDC控制器1的输出端口。通过在地铁车站公共区设置CO2浓度传感器实时采集CO2的浓度，将采集到的数据传递至DDC控制器，由DDC控制器调节新风阀的开启度，从而调节送风量，解决了地铁公共区新风量不足或过大的问题，在调节新风量的同时，调节温度，即节约了能源，也保证了地铁公共区乘客人员的舒适性。所述防冻报警器7的输出信号接入DDC控制器1的输入端口，当新风机组4盘管温度低于一定限值时，防冻报警器发出报警信号，提醒工作人员采取措施，防止盘管冻裂。Referring to Fig. 1, a kind of air-conditioning fresh air control system in the public area of a subway station includes a DDC controller 1 for the overall control of the system, and several (the specific number is determined by the area and function of the entire area) are used to collect the CO concentration in the public area. CO2 concentration sensor 8, fresh air valve actuator 3 for adjusting fresh air volume, fresh air unit 4 for supplying fresh air, fresh air temperature and humidity sensor 2 for collecting fresh air temperature and humidity, and fresh air temperature and humidity for collecting supply air and fresh air The air supply temperature and humidity sensor 6 for the coil temperature of the unit, the water valve adjustment actuator 5 for adjusting the refrigerant water flow and the antifreeze alarm 7 for sending out an alarm signal, the CO2 concentration sensor 8, the fresh air temperature and humidity sensor 2 and the output signal of the air supply temperature and humidity sensor 6 is connected to the input port of the DDC controller 1, and the input ports of the fresh air valve actuator 3, the fresh air unit 4 and the water valve adjustment actuator 5 are connected to the output port of the DDC controller 1 . By setting the CO2 concentration sensor in the public area of the subway station to collect the concentration of CO2 in real time, the collected data is transmitted to the DDC controller, and the DDC controller adjusts the opening degree of the fresh air valve to adjust the air supply volume, which solves the problem of subway public To solve the problem of insufficient or excessive fresh air volume in the district, while adjusting the fresh air volume, adjust the temperature, which not only saves energy, but also ensures the comfort of passengers in the subway public area. The output signal of the antifreeze alarm 7 is connected to the input port of the DDC controller 1. When the coil temperature of the fresh air unit 4 is lower than a certain limit, the antifreeze alarm sends an alarm signal to remind the staff to take measures to prevent the coil from freezing. crack.
优选的，DDC控制器1和所有传感器之间，DDC控制器1和控制器之间均通过2芯无极性双绞线连接，所述控制器包括新风阀执行器、水阀调节执行器和防冻报警器，具有抗干扰能力强、传输距离远、布线容易、价格低廉等优点。Preferably, between the DDC controller 1 and all the sensors, between the DDC controller 1 and the controller are connected by 2-core non-polar twisted pair, the controller includes fresh air valve actuators, water valve adjustment actuators and antifreeze The alarm has the advantages of strong anti-interference ability, long transmission distance, easy wiring and low price.
优选的，水阀调节执行器5安装在新风机组4的回水管上，减小其对新风机组的影响，新风阀执行器3安装在新风机组4的进风管处。新风温湿度传感器2和送风温湿度传感器6分别安装在新风机组4的进口和出口稳定气流处，采集的数据准确度高，使DDC控制器控制精准。Preferably, the water valve adjustment actuator 5 is installed on the return pipe of the fresh air unit 4 to reduce its influence on the fresh air unit, and the fresh air valve actuator 3 is installed at the air inlet pipe of the fresh air unit 4 . The fresh air temperature and humidity sensor 2 and the supply air temperature and humidity sensor 6 are respectively installed at the inlet and outlet stable airflow of the fresh air unit 4, and the accuracy of the collected data is high, so that the DDC controller can control accurately.
Claims (6)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989490A (en) * | 2017-05-11 | 2017-07-28 | 同方节能工程技术有限公司 | A kind of energy-saving control system suitable for subway ventilation air-conditioning |
| CN107883551A (en) * | 2017-10-18 | 2018-04-06 | 广东美的暖通设备有限公司 | New blower fan fresh air quantity control method, apparatus and computer-readable recording medium |
| CN109506340A (en) * | 2018-11-28 | 2019-03-22 | 珠海格力电器股份有限公司 | Air conditioner fresh air control method and device and subway air conditioning system |
| CN111023532A (en) * | 2019-12-31 | 2020-04-17 | 中维通(北京)科技有限公司 | Intelligent adjusting method for subway ventilation air conditioner |
| CN112224225A (en) * | 2020-11-06 | 2021-01-15 | 五邑大学 | Subway train air conditioner intelligent control system based on human humiture |
-
2016
- 2016-09-30 CN CN201621099511.4U patent/CN206073370U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989490A (en) * | 2017-05-11 | 2017-07-28 | 同方节能工程技术有限公司 | A kind of energy-saving control system suitable for subway ventilation air-conditioning |
| CN107883551A (en) * | 2017-10-18 | 2018-04-06 | 广东美的暖通设备有限公司 | New blower fan fresh air quantity control method, apparatus and computer-readable recording medium |
| CN109506340A (en) * | 2018-11-28 | 2019-03-22 | 珠海格力电器股份有限公司 | Air conditioner fresh air control method and device and subway air conditioning system |
| CN111023532A (en) * | 2019-12-31 | 2020-04-17 | 中维通(北京)科技有限公司 | Intelligent adjusting method for subway ventilation air conditioner |
| CN111023532B (en) * | 2019-12-31 | 2020-11-27 | 中维通(北京)科技有限公司 | Intelligent adjusting method for subway ventilation air conditioner |
| CN112224225A (en) * | 2020-11-06 | 2021-01-15 | 五邑大学 | Subway train air conditioner intelligent control system based on human humiture |
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