CN205262773U - On --spot testing arrangement of split air conditioner efficiency - Google Patents

Abstract

The utility model provides a split air conditioner energy efficiency on-site testing device, which includes a power recorder, a return air pipe, a return air temperature and humidity sensor, a return air speed sensor, a supply air temperature and humidity sensor, a data collector, a data transmission line, and a power recorder. The instrument is used to record the power consumption during the operation of the air conditioner. The return air duct is installed at the return air outlet of the air conditioner. The return air temperature and humidity sensor and the return air speed sensor are installed in the return air duct. The supply air temperature and humidity sensor is installed at the air conditioner outlet. , power recorder, return air temperature and humidity sensor, return air velocity sensor, and supply air temperature and humidity sensor are all connected to the data collector through the data collection line, and the data collector records the collected power consumption, temperature and humidity and wind speed data. According to the on-site detection device for the energy efficiency of the split air conditioner of the utility model, the accurate measurement of the related data of the on-site operation energy efficiency of the split air conditioner is realized through the return air duct which can be stretched horizontally and vertically.

Description

Split air conditioner energy efficiency field test device

technical field

The utility model relates to the field of energy efficiency testing, in particular to a split air conditioner energy efficiency on-site testing device.

Background technique

Today, with the increasing pursuit of environmental protection and energy saving, the amount of electricity consumed by air conditioners is widely concerned by everyone. For consumers, it is undoubtedly a shrewd choice to choose energy-saving air conditioners to save electricity bills bit by bit in the process of use in the future. In this regard, two technical keywords are involved: energy efficiency ratio and frequency conversion. The energy efficiency ratio refers to the ratio of the cooling capacity to the effective input power of the air conditioner during cooling operation. The value of the energy efficiency ratio reflects the cooling capacity of the air conditioner product when it consumes 1000W of electric power.

Among them, the energy efficiency level of the most common split air conditioner is related to the power consumption level of the air conditioner, and is one of the key factors affecting residential energy consumption. As people pay more attention to building energy conservation, there is a growing demand for energy-saving retrofitting and energy-saving research on existing residential buildings, especially for energy efficiency testing of on-site split air conditioners. For the split air conditioner, its energy efficiency ratio is currently tested under the standard charging amount, standard connecting pipe length, standard installation, and standard working conditions in the laboratory, and there are relevant national standard guidance, but for installation There is still a lack of specific methods for testing the actual energy efficiency ratio of split air conditioners in the actual field, especially because the use of inverter air conditioners is becoming more and more common, and the parameters of the air conditioners in the actual use process vary widely and are uncontrollable. The determination of energy efficiency cannot rely on a few simple parameters, but requires multi-parameter and continuous monitoring and analysis.

Utility model content

The purpose of the utility model is to provide a split air conditioner energy efficiency on-site test device to realize the accurate measurement of data related to the split air conditioner's on-site energy efficiency.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a split air conditioner energy efficiency field test device, including a power recorder, a return air pipe, a return air temperature and humidity sensor, a return air velocity sensor, a supply air temperature and humidity Sensors, data collectors and data transmission lines.

Wherein, the split air conditioner is connected to the socket through the power recorder, the return air pipe is installed at the return air outlet of the indoor unit of the split air conditioner, and the return air temperature and humidity sensor and the return air velocity sensor are installed at the In the return air duct, the air supply temperature and humidity sensor is installed at the air outlet of the indoor unit, the power recorder, the return air temperature and humidity sensor, the return air velocity sensor, and the supply air temperature and humidity sensor All are connected to the data collector through the data collection line.

Wherein, the cross-sectional direction of the air return pipe installed at one end of the air return port can be stretched horizontally and vertically.

Preferably, the number of the return air wind speed sensors is several.

Further, the several return air wind speed sensors are on the same cross section of the return air duct.

Furthermore, the several return air wind speed sensors are evenly distributed in the same cross-sectional direction of the return air duct.

The field test device for energy efficiency of the split air conditioner of the utility model records the data collected by the power recorder, the return air temperature and humidity sensor, the return air wind speed sensor, and the supply air temperature and humidity sensor through the data collector, and through the later analysis of the collected data The energy efficiency ratio of the actual operation of the air conditioner can be obtained.

The split air conditioner energy efficiency on-site detection device of the utility model can overcome the experimental conditions, means limitations and uncontrollable parameters during the split air conditioner energy efficiency on-site test through the return air pipe that can be stretched horizontally and vertically, and realizes the split air conditioner. Accurate determination of data related to the energy efficiency of air conditioning on-site operation.

Description of drawings

Fig. 1 is a schematic structural diagram of a field test device for energy efficiency of a split air conditioner in an embodiment of the present invention.

detailed description

The split air conditioner energy efficiency on-site test device proposed by the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that all the drawings are in very simplified form and use inaccurate scales, which are only used to facilitate and clearly illustrate the purpose of the embodiment of the present utility model.

As shown in Figure 1, the split air conditioner energy efficiency on-site test device provided by the utility model includes a power recorder 4, a return air pipe 6, a return air temperature and humidity sensor 1, a return air velocity sensor 2, a supply air temperature and humidity sensor 3, Data collector 5 and data transmission line 7.

In this embodiment, the power cord of the split air conditioner is connected to the power socket through the electricity recorder 4, and the electricity recorder 4 is used to record the electricity consumption of the split air conditioner during operation. The air return duct 6 is installed at the air return port 11 of the indoor unit 10 of the split air conditioner. Both the return air temperature and humidity sensor 1 and the return air wind speed sensor 2 are installed in the return air pipe 6 for testing the return air temperature, humidity and wind speed. The air supply temperature and humidity sensor 3 is installed at the air outlet 12 of the indoor unit 10 of the split air conditioner for testing the temperature and humidity data of the air outlet. The power recorder 4, the return air temperature and humidity sensor 1, the return air velocity sensor 2, and the supply air temperature and humidity sensor 3 are all connected to the data collector 5 through the data acquisition line 7, and the data collector 5 is connected to the collected power consumption, Temperature, humidity and wind speed data are continuously recorded.

Wherein, the cross-sectional direction of the air return pipe 6 installed at one end of the air return port 11 can be expanded horizontally and vertically, and the size of the cross section of the air return pipe 6 can be adjusted by stretching to adapt to the size of different air return ports 11. The size of the cross section at the other end is used to calculate the circulating air volume passing through the air return port 11 .

Preferably, several wind speed sensors 2 are installed in the return air duct 6, and each wind speed sensor 2 is connected with the data collector 5 through one of the data transmission lines 7, which can improve the obtained wind speed through the return air outlet 11. Accuracy of circulating air volume. As a non-limiting example of the present invention, continue to refer to FIG. 1 , in this embodiment, three wind speed sensors 2 are used to accurately test the wind speed of the return air.

Further, the several return air wind speed sensors are on the same cross section of the return air duct 6 .

Furthermore, the at least three wind speed sensors are evenly distributed in the same cross-sectional direction of the return air duct 6 . The installation manner of several wind speed sensors evenly distributed on the same cross-sectional direction of the return air duct 6 makes the obtained data more accurate.

The field test device for energy efficiency of the split air conditioner of the utility model records the data collected by the power recorder, the return air temperature and humidity sensor, the return air wind speed sensor, and the supply air temperature and humidity sensor through the data collector, and through the later analysis of the collected data The energy efficiency ratio of the actual operation of the air conditioner can be obtained.

The split air conditioner energy efficiency on-site detection device of the utility model can overcome the experimental conditions, means limitations and uncontrollable parameters during the split air conditioner energy efficiency on-site test through the return air pipe that can be stretched horizontally and vertically, and realizes the split air conditioner. Accurate determination of data related to the energy efficiency of air conditioning on-site operation.

The above description is only a description of the preferred embodiments of the present utility model, and is not any limitation to the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the field of the utility model according to the above disclosures all belong to the protection scope of the claims .

Claims (5)

1. A split air conditioner energy efficiency on-site test device, characterized in that the split air conditioner energy efficiency on-site test device includes: a power recorder, a return air duct, a return air temperature and humidity sensor, a return air velocity sensor, and a supply air temperature and humidity sensor. Sensors, data collectors and data transmission lines, the split air conditioner is connected to the power socket through the power recorder, the return air duct is installed at the return air outlet of the indoor unit of the split air conditioner, the return air temperature and humidity sensor and The return air velocity sensors are all installed in the return air duct, the supply air temperature and humidity sensors are installed at the air outlet of the indoor unit, the power recorder, the return air temperature and humidity sensors, the return air velocity Both the sensor and the air supply temperature and humidity sensor are connected to the data collector through the data collection line. 2 . The on-site energy efficiency test device for split air conditioners according to claim 1 , wherein the cross-sectional direction of the return air duct installed at one end of the return air outlet can be stretched horizontally and vertically. 3 . 3. The on-site testing device for split air conditioner energy efficiency according to claim 1, characterized in that there are several return air velocity sensors. 4. The on-site testing device for split air conditioner energy efficiency according to claim 3, wherein the plurality of return air wind speed sensors are on the same cross section of the return air duct. 5 . The on-site energy efficiency test device for split air conditioners according to claim 4 , wherein the plurality of return air wind speed sensors are evenly distributed in the same cross-sectional direction of the return air duct. 6 .