CN204693738U - Air conditioner with separate hot pump actual motion energy efficiency detection system - Google Patents
Air conditioner with separate hot pump actual motion energy efficiency detection system Download PDFInfo
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Abstract
本实用新型公开了一种分体热泵空调实际运行能效检测系统，包括分体热泵空调、室内机进风温湿度传感器组、室内机出风温湿度传感器组、风量罩数据处理器、室外温湿度传感器和中控箱，中控箱为分体热泵空调提供电能并监测其功率，室内机进风温湿度传感器组安装在风量罩的通风道内，室内机出风温湿度传感器组安装在分体热泵空调的出风百叶上，室外温湿度传感器安装在室外；中控箱接收室内外温湿度以及分体热泵空调的即时运行功率的数据，并进行处理。本实用新型解决了无法现场检测分体热泵空调实际运行能效的问题，在现场快速了解分体热泵空调的实际运行能效，准确实时的对分体热泵空调运行能效进行监控。
The utility model discloses an energy efficiency detection system for the actual operation of a split heat pump air conditioner, which comprises a split heat pump air conditioner, an indoor unit inlet air temperature and humidity sensor group, an indoor unit outlet air temperature and humidity sensor group, an air volume cover data processor, and an outdoor temperature and humidity sensor group. Sensors and central control box. The central control box provides electric energy for the split heat pump air conditioner and monitors its power. The indoor unit inlet air temperature and humidity sensor group is installed in the air duct of the air volume hood, and the indoor unit outlet air temperature and humidity sensor group is installed in the split heat pump air conditioner. On the air outlet louvers of the air conditioner, the outdoor temperature and humidity sensor is installed outdoors; the central control box receives and processes the data of indoor and outdoor temperature and humidity and the real-time operating power of the split heat pump air conditioner. The utility model solves the problem that the actual operating energy efficiency of the split heat pump air conditioner cannot be detected on site, quickly understands the actual operating energy efficiency of the split heat pump air conditioner on site, and monitors the operating energy efficiency of the split heat pump air conditioner accurately and in real time.
Description
技术领域technical field
本实用新型涉及能效检测领域，特别涉及一种分体热泵空调实际运行能效检测系统。The utility model relates to the field of energy efficiency detection, in particular to an energy efficiency detection system for the actual operation of a split heat pump air conditioner.
背景技术Background technique
根据相关的研究资料表明，我国建筑总能耗约占全社会总能耗的30％，设备采暖通风空调又占了建筑总能耗的40～60％，所以暖通空调系统节能是降低建筑能耗的关键环节之一。随着人民生活水平的提高，我国城镇建筑能耗迅猛增长。我国2014年分体空调的产销量已达3000万台以上，空调的大量使用造成夏季电力高峰时城镇供电十分紧张。根据相关统计数据，在建筑用能系统设计中即使采用了很多节能技术，同时所选用的分体空调也是节能的，但在该系统的实际运行过程如果安装与运行控制与管理有缺陷，依然会能耗巨大，可见提高采暖空调系统的运行能效是降低全社会建筑能耗的关键环节之一。夏热冬冷地区绝大部分居住建筑及小型公共建筑均采用分体小型热泵空调系统，按照目前国家的能效分级标准1级能效已经达到3.2，5级能效为2.4，这些都是实验室数据，在实际运行过程中由于安装等原因造成其实际能效会远远低于以上数据，一般低20％以上。因此对于分体空调的运行能效提升技术具有很大的节能潜力。According to relevant research data, the total energy consumption of buildings in my country accounts for about 30% of the total energy consumption of the whole society, and the heating, ventilation and air conditioning of equipment accounts for 40-60% of the total energy consumption of buildings. One of the key links of consumption. With the improvement of people's living standards, the energy consumption of urban buildings in my country has increased rapidly. The production and sales of split air conditioners in my country in 2014 have reached more than 30 million units. The extensive use of air conditioners has caused the power supply in cities and towns to be very tight during peak power in summer. According to relevant statistical data, even if many energy-saving technologies are adopted in the design of building energy-use systems, and the split air conditioners selected are also energy-saving, if there are defects in installation, operation control and management during the actual operation of the system, there will still be problems. The energy consumption is huge. It can be seen that improving the energy efficiency of the heating and air-conditioning system is one of the key links to reduce the energy consumption of buildings in the whole society. Most of the residential buildings and small public buildings in hot summer and cold winter areas adopt split small heat pump air-conditioning systems. According to the current national energy efficiency classification standard, the energy efficiency of level 1 has reached 3.2, and the energy efficiency of level 5 is 2.4. These are laboratory data. In the actual operation process, due to installation and other reasons, the actual energy efficiency will be far lower than the above data, generally more than 20% lower. Therefore, there is a great energy-saving potential for the operation energy efficiency improvement technology of the split air conditioner.
对于分体热泵空调而言，目前分体热泵空调(含VRV系统)的能效比均是在试验室标准充注量、标准连接管长度、标准的安装、标准的工况下测试所得，虽然现在分体热泵空调的1级能效高达3.2，但是根据近年来的经验数据，其实际能效远远达不到3.2，特别是由于安装的问题(建筑立面空调安装板设计不合理等)导致效率低下。要确保分体热泵空调在各种负荷工况下均能高效运行，必须从对空调机组现场动态能效进行准确检测，从而为节能改造、机组调试提供充分的诊断依据。目前国内外均没有检测分体热泵空调现场动态能效的一体化检测设备。For split heat pump air conditioners, the current energy efficiency ratio of split heat pump air conditioners (including VRV systems) is tested under the standard charge amount, standard connecting pipe length, standard installation, and standard working conditions in the laboratory. The first-level energy efficiency of the split heat pump air conditioner is as high as 3.2, but according to the empirical data in recent years, its actual energy efficiency is far from 3.2, especially due to installation problems (unreasonable design of the air conditioner installation board on the building facade, etc.) resulting in low efficiency . To ensure that the split heat pump air conditioner can operate efficiently under various load conditions, it is necessary to accurately detect the on-site dynamic energy efficiency of the air conditioner unit, so as to provide sufficient diagnostic basis for energy-saving renovation and unit commissioning. At present, there is no integrated testing equipment for testing the on-site dynamic energy efficiency of split heat pump air conditioners at home and abroad.
实用新型内容Utility model content
针对上述技术问题，本实用新型提供了一种能现场检测分体热泵空调实际运行能效的分体空调能效检测系统。In view of the above technical problems, the utility model provides a split air conditioner energy efficiency detection system capable of on-site detection of the actual operating energy efficiency of the split heat pump air conditioner.
为解决上述技术问题，本实用新型所采取的技术方案是：一种分体空调能效检测系统，包括分体热泵空调、室内机进风温湿度传感器组、室内机出风温湿度传感器组、风量罩、风量罩数据处理器、室外温湿度传感器和中控箱，风量罩安装在分体热泵空调进风口的外侧，风量罩上设置有通风道和风量传感装置，室内机进风温湿度传感器组安装在风量罩通风道内，室内机出风温湿度传感器组安装在分体热泵空调的出风百叶上，室外温湿度传感器安装在室外；In order to solve the above technical problems, the technical solution adopted by the utility model is: a split air conditioner energy efficiency detection system, including a split heat pump air conditioner, an indoor unit inlet air temperature and humidity sensor group, an indoor unit outlet air temperature and humidity sensor group, air volume Cover, air flow cover data processor, outdoor temperature and humidity sensor and central control box, the air flow cover is installed outside the air inlet of the split heat pump air conditioner, the air flow cover is provided with a ventilation duct and an air flow sensor device, and the indoor unit inlet air temperature and humidity sensor The group is installed in the air duct of the air volume hood, the temperature and humidity sensor group of the indoor unit outlet air is installed on the air outlet louvers of the split heat pump air conditioner, and the outdoor temperature and humidity sensor is installed outdoors;
中控箱包括中心电脑、通讯集中器、功率电能测试模块和大气压传感器，中控箱为分体热泵空调提供电能，同时监测分体热泵空调的实际运行功率，中心电脑分别与通讯集中器、功率电能测试模块和大气压传感器电连接，通讯集中器接收室内机进风温湿度传感器组、室内机出风温湿度传感器组、风量罩数据处理器和室外温湿度传感器的数据，并将接收到的数据移交至中心电脑。The central control box includes a central computer, a communication concentrator, a power and energy test module and an atmospheric pressure sensor. The central control box provides electric energy for the split heat pump air conditioner, and at the same time monitors the actual operating power of the split heat pump air conditioner. The central computer communicates with the communication concentrator, power The electric energy test module is electrically connected to the atmospheric pressure sensor, and the communication concentrator receives the data from the indoor unit inlet air temperature and humidity sensor group, the indoor unit outlet air temperature and humidity sensor group, the air volume hood data processor and the outdoor temperature and humidity sensor, and transmits the received data to handed over to the central computer.
较优地，在上述技术方案中，中控箱还包括e太网交换器，e太网交换器通过互联网或CDMA网与互联网终端进行通信。Preferably, in the above technical solution, the central control box further includes an e-Ethernet switch, and the e-Ethernet switch communicates with the Internet terminal through the Internet or a CDMA network.
较优地，在上述技术方案中，通讯集中器以无线或有线的形式与室内机进风温湿度传感器组、室内机出风温湿度传感器组、风量罩数据处理器和室外温湿度传感器连通。Preferably, in the above technical solution, the communication concentrator communicates wirelessly or wiredly with the indoor unit inlet air temperature and humidity sensor group, the indoor unit outlet air temperature and humidity sensor group, the air volume hood data processor and the outdoor temperature and humidity sensor.
较优地，在上述技术方案中，室内机进风温湿度传感器组距风量罩通风道出风口的距离为10cm。Preferably, in the above technical solution, the distance between the air inlet temperature and humidity sensor group of the indoor unit and the air outlet of the air volume hood air duct is 10 cm.
较优地，在上述技术方案中，室内机进风温湿度传感器组通过进风温湿度传感器固定架固定在风量罩通风道内，所述室内机出风温湿度传感器组通过出风温湿度传感器固定架安装在所述分体热泵空调出风百叶上。Preferably, in the above technical solution, the indoor unit air inlet temperature and humidity sensor group is fixed in the air duct of the air volume hood through the inlet air temperature and humidity sensor fixing frame, and the indoor unit outlet air temperature and humidity sensor group is fixed by the outlet air temperature and humidity sensor The frame is installed on the air outlet louvers of the split heat pump air conditioner.
本实用新型提供的分体空调能效检测系统，解决了目前现场无法检测分体热泵空调实际运行能效的问题；将空气温湿度、风量、功率整合到一台检测设备，由中控电脑同时对空气温湿度、风量及功率等参数采集数据，使得通过能效比公式计算出来的分体热泵空调能效比更加接近实际状态，大幅度减少人工分别采集与处理数据产生的误差，提高检测数据的准确度；数据处理完全由中控电脑即时采集即时处理即时生成能效比曲线，完全杜绝了人工处理数据的主观性，确保了检测结果的真实性；在现场快速了解分体热泵空调的实际运行能效，有利于判断分体热泵空调安装是否合理；本实用新型可准确实时的对分体热泵空调运行能效进行监控。The split air conditioner energy efficiency detection system provided by the utility model solves the problem that the actual operating energy efficiency of the split heat pump air conditioner cannot be detected on site at present; Data collection of parameters such as temperature, humidity, air volume, and power makes the energy efficiency ratio of the split heat pump air conditioner calculated by the energy efficiency ratio formula closer to the actual state, greatly reducing the errors caused by manual data collection and processing separately, and improving the accuracy of the detection data; The data processing is completely collected and processed by the central control computer in real time, and the energy efficiency ratio curve is generated in real time, which completely eliminates the subjectivity of manual data processing and ensures the authenticity of the test results; it is beneficial to quickly understand the actual operating energy efficiency of the split heat pump air conditioner on site. Judging whether the installation of the split heat pump air conditioner is reasonable; the utility model can accurately and real-time monitor the operating energy efficiency of the split heat pump air conditioner.
附图说明Description of drawings
下面结合附图对本实用新型作进一步说明：Below in conjunction with accompanying drawing, the utility model is further described:
图1是本实用新型提供的分体空调能效检测系统的示意图；Fig. 1 is a schematic diagram of a split air conditioner energy efficiency detection system provided by the utility model;
图2是图1中中控箱的示意图。Fig. 2 is a schematic diagram of the central control box in Fig. 1 .
具体实施方式Detailed ways
如图1和图2所示，本实用新型提供的分体空调能效检测系统，包括分体热泵空调160、室内机进风温湿度传感器组120、室内机出风温湿度传感器组130、风量罩110、风量罩数据处理器140、室外温湿度传感器150和中控箱200，风量罩110安装在分体热泵空调160进风口的外侧，风量罩110上设置有通风道115，室内机进风温湿度传感器组120安装在通风道115内，室内机出风温湿度传感器组130安装在分体热泵空调160的出风百叶上，室外温湿度传感器150安装在室外；As shown in Figure 1 and Figure 2, the split air conditioner energy efficiency detection system provided by the utility model includes a split heat pump air conditioner 160, an indoor unit inlet air temperature and humidity sensor group 120, an indoor unit outlet air temperature and humidity sensor group 130, and an air volume cover 110. Air volume cover data processor 140, outdoor temperature and humidity sensor 150, and central control box 200. The air volume cover 110 is installed outside the air inlet of the split heat pump air conditioner 160. The air volume cover 110 is provided with a ventilation channel 115. The humidity sensor group 120 is installed in the air duct 115, the indoor unit air outlet temperature and humidity sensor group 130 is installed on the air outlet louvers of the split heat pump air conditioner 160, and the outdoor temperature and humidity sensor 150 is installed outdoors;
中控箱200包括中心电脑212、通讯集中器214、功率电能测试模块215和大气压传感器216，中控箱200为分体热泵空调160提供电能，中心电脑212分别与通讯集中器214、功率电能测试模块215和大气压传感器216电连接，通讯集中器214接收室内机进风温湿度传感器组120、室内机出风温湿度传感器组130、风量罩数据处理器140和室外温湿度传感器150的数据，并将接收到的数据移交至中心电脑212。The central control box 200 includes a central computer 212, a communication concentrator 214, a power and electric energy testing module 215, and an atmospheric pressure sensor 216. The central control box 200 provides electric energy for the split heat pump air conditioner 160, and the central computer 212 communicates with the communication concentrator 214 and the power and electric energy testing module respectively. The module 215 is electrically connected to the atmospheric pressure sensor 216, and the communication concentrator 214 receives the data of the indoor unit inlet air temperature and humidity sensor group 120, the indoor unit outlet air temperature and humidity sensor group 130, the air volume hood data processor 140 and the outdoor temperature and humidity sensor 150, and Hand over the received data to the central computer 212 .
作为一种可实施方式，中控箱200还包括e太网交换器218，e太网交换器218通过互联网或CDMA网与互联网终端进行通信。e太网交换器218的选用，实现了分体空调能效检测系统与网络终端的通信，能够更好的实现远程监控操作。As a possible implementation manner, the central control box 200 further includes an e-Ethernet switch 218, and the e-Ethernet switch 218 communicates with an Internet terminal through the Internet or a CDMA network. The selection of the e-Ethernet switch 218 realizes the communication between the split air conditioner energy efficiency detection system and the network terminal, and can better realize the remote monitoring operation.
作为一种可实施方式，通讯集中器214以无线或有线的形式与室内机进风温湿度传感器组120、室内机出风温湿度传感器组130、风量罩数据处理器140和室外温湿度传感器150连通。以有线或无线的方式进行通信，使得通信的过程更加的方便快捷。As a possible implementation, the communication concentrator 214 communicates with the indoor unit inlet air temperature and humidity sensor group 120, the indoor unit outlet air temperature and humidity sensor group 130, the air volume hood data processor 140 and the outdoor temperature and humidity sensor 150 in a wireless or wired manner. connected. Communication in a wired or wireless manner makes the communication process more convenient and faster.
作为一种可实施方式，室内机进风温湿度传感器组120距风量罩110通风道115出风口的距离为10cm。10cm距离的设置，使得室内机进风温湿度传感器组120测的的数据更加的准确。As a possible implementation manner, the distance between the air inlet temperature and humidity sensor group 120 of the indoor unit and the air outlet of the air duct 115 of the air volume cover 110 is 10 cm. The setting of the distance of 10 cm makes the data measured by the air inlet temperature and humidity sensor group 120 of the indoor unit more accurate.
作为一种可实施方式，室内机进风温湿度传感器组120通过进风温湿度传感器固定架125安装在风量罩110的通风道115内；室内机出风温湿度传感器组130通过出风温湿度传感器固定架135安装在所述分体热泵空调160的出风百叶上。进风温湿度传感器固定架125和出风温湿度传感器固定架135的选用，使得室内机进风温湿度传感器组120和室内机出风温湿度传感器组130在风量罩110的通风道115内和分体热泵空调160上安装的更加的稳固，并且安装和拆卸更加的方便。As a possible implementation mode, the indoor unit inlet air temperature and humidity sensor group 120 is installed in the air duct 115 of the air volume cover 110 through the inlet air temperature and humidity sensor fixing bracket 125; the indoor unit outlet air temperature and humidity sensor group 130 The sensor fixing frame 135 is installed on the air outlet louvers of the split heat pump air conditioner 160 . The selection of the air inlet temperature and humidity sensor fixing frame 125 and the air outlet temperature and humidity sensor fixing frame 135 makes the indoor unit air inlet temperature and humidity sensor group 120 and the indoor unit outlet air temperature and humidity sensor group 130 in the ventilation channel 115 of the air volume cover 110 and The installation on the split heat pump air conditioner 160 is more stable, and the installation and disassembly are more convenient.
分体空调能效检测系统的使用方法如下：The method of using the split air conditioner energy efficiency detection system is as follows:
风量罩安装在被测分体热泵空调的进风口，进风温湿度传感器组固定在进风温湿度传感器固定架上，进风温湿度传感器固定杆固定在风量罩的出风口内10cm左右；出风温湿度传感器组通过出风温湿度传感器固定杆用弹簧夹等夹在分体热泵空调的出风百叶上，分体热泵空调的耗电量或功率由安装在中控箱里的电表或功率表采集数据，中控箱对所有的数据采集模块设置统一的时间，中控箱接收到所有数据模块传来的即时数据，即时根据公式计算分体热泵空调瞬时动态能效并生成能效曲线，数据采集间隔由中央电脑根据需要自由设置。整个过程的测量需要风量传感器或毕托管微压差传感器以及数据处理器，数据处理器根据输入的风量罩通风道尺寸及检测到的微压差计算风量。启动分体热泵空调，连续运行30分钟以上，待室内温度稳定在设定值正负1℃左右时，开启中控箱内电脑的数据采集软件进行测试。瞬时动态能效分体热泵空调制冷量(制热量)按下式计算：The air volume cover is installed at the air inlet of the split heat pump air conditioner under test, the intake air temperature and humidity sensor group is fixed on the intake air temperature and humidity sensor fixing frame, and the intake air temperature and humidity sensor fixing rod is fixed about 10cm inside the air outlet of the air volume cover; The air temperature and humidity sensor group is clamped on the air outlet louvers of the split heat pump air conditioner through the fixed rod of the air temperature and humidity sensor with spring clips, etc. The power consumption or power of the split heat pump air conditioner is determined by the electric meter or power The table collects data, and the central control box sets a unified time for all data acquisition modules. The central control box receives the real-time data from all data modules, and immediately calculates the instantaneous dynamic energy efficiency of the split heat pump air conditioner according to the formula and generates an energy efficiency curve. Data acquisition The interval is freely set by the central computer as required. The measurement of the whole process requires an air volume sensor or a Pitot tube micro-pressure difference sensor and a data processor, and the data processor calculates the air volume according to the input air duct size of the air volume hood and the detected micro-pressure difference. Start the split heat pump air conditioner and run it continuously for more than 30 minutes. When the indoor temperature is stable at about plus or minus 1°C from the set value, turn on the data acquisition software of the computer in the central control box for testing. Instantaneous dynamic energy efficiency The cooling capacity (heating capacity) of the split heat pump air conditioner is calculated according to the following formula:
Q0＝Vaρa△ha/3.6Q 0 ＝V a ρ a △ h a /3.6
其中：in:
Va——风量罩测试的室内机风量，m3/h；V a ——the air volume of the indoor unit tested by the air volume hood, m 3 /h;
△ha——室内机进出口空气焓差，kj/kg干空气；△h a ——the air enthalpy difference between the inlet and outlet of the indoor unit, kj/kg dry air;
ρa——空气密度，kg/m3；ρ a ——air density, kg/m 3 ;
ρa、△ha根据空气进口平均温度及现场实测大气压由物性参数表查取或中央电脑根据其数据库内的相关公式计算。ρ a , △ h a are obtained from the physical parameter table according to the average temperature of the air inlet and the measured atmospheric pressure on site or calculated by the central computer according to the relevant formulas in its database.
针对上述系统，对某工厂运行了数年的3台分体柜机进行了测试，测试结果如下表：Aiming at the above system, 3 separate cabinet machines that have been in operation for several years in a certain factory were tested, and the test results are as follows:
不难看出该工厂的3台分体热泵空调实际运行能效偏低，在房间温度处于标准温度附近时，大大低于其铭牌标称的2.40(实验室数据)，具有极大的节能改造空间(比如清洗空调，遮阳，或者更换新设备等措施)，并且该系统可以准确地检测空调的实际运行能效，从而可以确定是否需要进行能效提升，并查找能效不达标的原因进行相应改造。It is not difficult to see that the actual operating energy efficiency of the three split heat pump air conditioners in the factory is relatively low. When the room temperature is near the standard temperature, it is much lower than the nominal value of 2.40 (laboratory data) on the nameplate, which has great room for energy-saving renovation ( Such as cleaning the air conditioner, shading, or replacing new equipment, etc.), and the system can accurately detect the actual energy efficiency of the air conditioner, so as to determine whether energy efficiency needs to be improved, and find out the reasons why the energy efficiency is not up to standard and make corresponding improvements.
本实用新型提供的分体空调能效检测系统，解决了目前现场无法检测分体热泵空调实际运行能效的问题；将空气温湿度、风量、功率整合到一台检测设备，由中控电脑同时对空气温湿度、风量及功率等参数采集数据，使得通过能效比公式计算出来的分体热泵空调能效比更加接近实际状态，大幅度减少人工分别采集与处理数据产生的误差，提高检测数据的准确度；数据处理完全由中控电脑即时采集即时处理即时生成能效比曲线，完全杜绝了人工处理数据的主观性，确保了检测结果的真实性；在现场快速了解分体热泵空调的实际运行能效，有利于判断分体热泵空调安装是否合理；本实用新型可准确实时的对分体热泵空调运行能效进行监控。The split air conditioner energy efficiency detection system provided by the utility model solves the problem that the actual operating energy efficiency of the split heat pump air conditioner cannot be detected on site at present; Data collection of parameters such as temperature, humidity, air volume, and power makes the energy efficiency ratio of the split heat pump air conditioner calculated by the energy efficiency ratio formula closer to the actual state, greatly reducing the errors caused by manual data collection and processing separately, and improving the accuracy of the detection data; The data processing is completely collected and processed by the central control computer in real time, and the energy efficiency ratio curve is generated in real time, which completely eliminates the subjectivity of manual data processing and ensures the authenticity of the test results; it is beneficial to quickly understand the actual operating energy efficiency of the split heat pump air conditioner on site. Judging whether the installation of the split heat pump air conditioner is reasonable; the utility model can accurately and real-time monitor the operating energy efficiency of the split heat pump air conditioner.
上述实施方式旨在举例说明本实用新型可为本领域专业技术人员实现或使用，对上述实施方式进行修改对本领域的专业技术人员来说将是显而易见的，故本实用新型包括但不限于上述实施方式，任何符合本权利要求书或说明书描述，符合与本文所公开的原理和新颖性、创造性特点的方法、工艺、产品，均落入本实用新型的保护范围之内。The above-mentioned embodiments are intended to illustrate that the utility model can be implemented or used by those skilled in the art, and it will be obvious to those skilled in the art to modify the above-mentioned embodiments, so the utility model includes but is not limited to the above-mentioned implementation Any method, process, or product that conforms to the claims or the description of the specification, and conforms to the principles, novelty, and creative features disclosed herein falls within the protection scope of the present utility model.
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