CN202991557U - Ceiling fan energy efficiency test system based on double-layer isolation - Google Patents

Abstract

The utility model discloses a ceiling fan energy efficiency test system based on double-layer isolation, which comprises a control system and a test system, wherein the test system comprises an air volume test module and an assembly module, the assembly module is formed by combining an outer screen space and an inner screen space, an air circulation channel is formed between the outer screen space and the inner screen space, and a fixing device is arranged at the hollow part of a top cover in the inner screen space; the device comprises an air volume testing module, an air volume assembling module, a control terminal, a stepping motor and a control system, wherein the air volume testing module and the assembling module are respectively connected with the control system in a conduction mode, the air volume testing module is sleeved in the assembling module, a double-layer isolated air collecting structure achieves function testing of the ceiling fan, the control terminal intelligently controls a testing process, the stepping motor drives the air collecting structure to ensure that an operator is located outside a testing chamber, the operator cannot influence an air field, testing work of the device is completed automatically, test data are recorded and stored, an air volume report is automatically generated, energy efficiency grade evaluation is carried out, and functions of accurate data, good repeatability, high.

Description

A Ceiling Fan Energy Efficiency Test System Based on Double-layer Isolation

technical field

The utility model relates to the technical field of fan energy efficiency testing, in particular to a ceiling fan energy efficiency testing system based on double-layer isolation.

Background technique

In recent years, as the country pays more and more attention to energy conservation and low-carbon economy, the energy consumption of a single product of small household appliances is not obvious compared with that of large appliances. However, due to its huge production and sales, the total energy consumption cannot be ignored. my country provides great support for comprehensive energy conservation. When measuring the energy efficiency value of AC fans according to GB12019-2008 "Energy Efficiency Limits and Energy Efficiency Grades of AC Fans", it is necessary to measure the air volume and use value of the fans according to the requirements of GB/T13380-2007 "AC Fans and Governors", and Judge whether the fan is qualified according to the national standard.

The traditional air volume test device is operated by hand, and the operator must enter the test room, because it destroys the wind field, making the accuracy of the test data low, and at the same time reducing the test efficiency. In order to achieve energy efficiency testing, the test steps cannot be specified and standardized, and the test process must be controlled intelligently. Especially for the measurement of the ceiling fan, a pendant-type fixing seat and a high-low telescopic structure are required to assist in the implementation. Since the wind direction is directed downward, the single baffle at the test position needs to be designed and executed in a three-dimensional space.

Contents of the invention

The purpose of this utility model is to provide a ceiling fan energy efficiency testing system based on double-layer isolation for the deficiencies of the prior art. A double-layer isolation air collection structure is set to realize the functional test of the ceiling fan. The control terminal is used to intelligently control the test process, step The motor is driven to ensure that the operator is outside the test room, and the personnel will not affect the wind field. The equipment test work is completed automatically, and the test data is recorded, saved, and automatically generated. The air volume report and the energy efficiency rating are achieved to achieve accurate data and good repeatability , high efficiency, convenient data storage and other functions.

For effectively solving the problems referred to above, the technical scheme that the utility model takes is as follows:

A ceiling fan energy efficiency test system based on double-layer isolation, including a control system and a test system. The test system includes an air volume test module and an assembly module. The assembly module is composed of an outer screen space and an inner screen space. An air circulation channel is formed between the screen space and the inner screen space, and a fixing device is provided in the hollow of the top cover of the inner screen space; the air volume test module and the assembly module are connected to the control system respectively, and the air volume test A module is housed within the assembly module.

In particular, the fixing device includes a hanging plate, an orifice plate, and a lifting device arranged between the hanging plate and the orifice plate, and the fixing device also includes a driving motor for driving the lifting device.

In particular, the fixing device further includes a power testing module, which is connected to the control system to realize data interaction.

In particular, the control system includes a control terminal and a data processing terminal that are directly interactively connected to realize data exchange. The control terminal includes a main control module, a drive module, and an execution module. The execution module accepts and executes functional instructions.

In particular, the data processing terminal includes a data transmission module, a data storage module and a data operation module, the data transmission module realizes data calling, input and output functions, the data storage module realizes temporary data cache and fixed storage of parameter data, and the data operation module Realize data editing, operation and comparison.

In particular, the air volume testing module includes four anemometers, two moving guide rails and four sets of stepping motors. The anemometers are respectively arranged in pairs on the moving guide rails, and the moving guide rails are arranged in a cross-diagonal combination.

In particular, the anemometer is driven by the stepping motor to move arbitrarily between the middle break point of the guide rail and the left and right end points, and the middle break point of the guide rail is vertically corresponding to the fixing device.

Beneficial effects of the utility model: a double-layer isolated wind collection structure is set to realize the functional test of the ceiling fan, the control terminal is used to intelligently control the test process, and the stepping motor is driven to ensure that the operator is outside the test room, and the personnel will not affect the wind field. The test work is completed automatically, and the test data is recorded, saved, and the air volume report and energy efficiency rating are automatically generated to realize the functions of data accuracy, good repeatability, high efficiency, and convenient data storage; automatically calculate according to the air volume data and collected power data Energy efficiency value, the test data of the system is automatically recorded, efficient and accurate, the test data is convenient to store, and easy to query, the data repeatability is high, the efficiency is high, and it can be positioned quickly and accurately, making the test data more accurate and repeatable.

The utility model is described in detail below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the overall architecture diagram of the ceiling fan energy efficiency testing system based on double-layer isolation of the present invention;

Fig. 2 is a structural schematic diagram of an embodiment of a ceiling fan energy efficiency testing system based on double-layer isolation in the present invention;

Fig. 3 is a system structure diagram of the ceiling fan energy efficiency testing system based on double-layer isolation of the present invention.

Detailed ways

Example 1:

As shown in Figures 1 and 2, a ceiling fan energy efficiency testing system based on double-layer isolation includes a control system and a testing system. The testing system includes an air volume testing module and an assembly module. The assembly module consists of an outer screen space and The inner screen space is composed of space, and the air circulation channel is formed between the outer screen space and the inner screen space, and a fixing device is provided in the hollow of the top cover of the inner screen space; the air volume test module and the assembly module are respectively installed in the control system conduction connection, and the air volume test module is set in the assembly module.

The fixing device includes a hanging plate, an orifice plate and a lifting device arranged between the hanging plate and the orifice plate, and the fixing device also includes a driving motor for driving the lifting device.

The fixing device also includes a power testing module, which is electrically connected with the control system to realize data interaction.

As shown in Figure 3, the control system includes a control terminal and a data processing terminal that are directly interactively connected to realize data exchange. The control terminal includes a main control module, a drive module and an execution module. The module drives the execution module to accept and execute functional instructions.

The data processing terminal includes a data transmission module, a data storage module and a data operation module, the data transmission module realizes data calling, input and output functions, the data storage module realizes temporary data cache and fixed storage of parameter data, and the data operation module realizes data editing , operation and comparison.

The air volume testing module includes four anemometers, two moving guide rails and four sets of stepping motors. The anemometers are respectively arranged in pairs on the moving guide rails, and the moving guide rails are arranged in a cross-diagonal combination.

The anemometer is driven by the stepping motor to move arbitrarily between the middle break point of the guide rail and the left and right end points respectively, and the middle break point of the guide rail is vertically corresponding to the fixing device.

The utility model technology:

In this embodiment, the basic parameters are set as follows:

1. The inner size of the test outer screen: L6500mm×W6500mm×H4200mm, the door opening size: W1500mm×H2000, the door opens inward;

2. The size of the test inner screen: L4500mm×W4500mm×H3000mm, the height from the bottom to the ground: 450mm, the diameter range of the top hole: φ1000mm-φ2000mm, the adjustment method of the top hole: electric without group adjustment; the sample mounting frame: height adjustment range: 0 -600mm, adjustment method: electric adjustment; test mounting plate specification: L1200mm×W1200mm.

3. Air volume measurement mechanism: the vertical distance between the anemometer seat and the sample: 1500mm±100mm, the moving distance of the anemometer sliding table is electrically adjusted between 20-2800mm, and the positioning accuracy: ±1mm. The anemometer uses the 435-type impeller anemometer, the diameter of the anemometer impeller is less than or equal to 100mm, the measurement range is limited to 0~1200mm/min (20/s), the measurement accuracy is limited to 0.1 m/s±1.5% of the measured value, and the wind speed sensitivity is preferred 0.15m/s; temperature probe: range 0~+50°C; accuracy ±0.5°C.

4. The data display equipment adopts WT210 digital power meter with an accuracy of 0.1%, and is equipped with a 0~250V stepless adjustable voltage regulator. The sealing body adopts a standard laboratory with a size of L6000mm×W4500×H3000mm, and the room temperature is controlled indoors Within the range of 20°C±5°C, the humidity fluctuation range is between 40% and 80%, the voltage fluctuation: ±1%, and the power frequency fluctuation value: ±1%.

The clearance requirement of the test room is not less than 4000mm, and does not include beams and columns and other components that worry about the air flow; the test outer screen and the test screen form an air circulation channel. In order to adapt to different specifications of the samples, the top hole of the test inner screen adopts adjustable settings ; Install the test product on a height-adjustable sample mounting frame, and the mounting frame uses a motor to automatically adjust the height of the sample; the four anemometer seats move along the four directions of the two diagonal lines of the test inner screen, using stepping The motor moves, and its initial position is at the middle zero position. During the automatic test, the computer controls the stepper motor to collect a wind speed value at 40mm to the left, and then collects a wind speed value at the 20mm piece on the right, completing a wind ring wind speed test; and then entering another wind speed test. The ring measures the wind speed value, and the radius difference of each wind ring is 80mm until the measured wind speed value is less than 9m/min.

The data processing terminal completes the collection, recording, calculation, storage, query, etc. of the test data, and the control system sets the test parameters (including the front and rear distance of the anemometer, the location of the left and right collection points of the anemometer, etc.), receives the test data from the PLC, and calculates and analyzes them. Test data, calculate air volume value, calculate energy efficiency value, store, query test data and other functions, and at the same time send execution commands to the data processing module according to the operator; the controller completes the execution commands to realize the collection of data values from the anemometer and power meter .

The utility model is not limited to the above-mentioned embodiments, and all methods that use a system structure similar to the utility model to achieve the purpose of the utility model are within the scope of protection of the utility model.

Claims (7)

1. A ceiling fan energy efficiency testing system based on double-layer isolation, characterized in that it includes a control system and a testing system, the testing system includes an air volume testing module and an assembly module, and the assembly module is composed of an outer screen space and an inner screen space Composed, and an air circulation channel is formed between the outer screen space and the inner screen space, and a fixing device is provided in the hollow of the top cover of the inner screen space; the air volume test module and the assembly module are respectively conductively connected to the control system, and The air volume testing module is set in the assembly module. the 2. The ceiling fan energy efficiency testing system based on double-layer isolation according to claim 1, wherein the fixing device includes a hanging plate, an orifice plate and a lifting device arranged between the hanging plate and the orifice plate, and the fixing The device also includes a driving motor for driving the lifting device. the 3. The ceiling fan energy efficiency testing system based on double-layer isolation according to claim 1 or 2, wherein the fixing device further includes a power testing module, which is connected to the control system to realize data interaction. the 4. The ceiling fan energy efficiency testing system based on double-layer isolation according to claim 1, wherein the control system includes a control terminal and a data processing terminal that are directly interactively connected to realize data exchange, and the control terminal includes a main control module, A driving module and an execution module, the main control module responds to functional instructions, and the driving module drives the execution module to accept and execute functional instructions. the 5. The ceiling fan energy efficiency testing system based on double-layer isolation according to claim 4, wherein the data processing terminal comprises a data transmission module, a data storage module and a data calculation module, and the data transmission module realizes data call, input and Output function, the data storage module realizes temporary data cache and fixed storage of parameter data, and the data operation module realizes data editing, calculation and comparison. the 6. The ceiling fan energy efficiency testing system based on double-layer isolation according to claim 1, wherein the air volume testing module includes four anemometers, two moving guide rails and four groups of stepping motors, and the anemometers are respectively two The two are arranged on the moving guide rails, and the moving guide rails are distributed in a cross-diagonal combination. the 7. The ceiling fan energy efficiency testing system based on double-layer isolation according to claim 6, wherein the anemometer is driven by the stepping motor to move arbitrarily between the middle break point and the left and right endpoints of the guide rail, and the The break point in the middle of the guide rail is vertically corresponding to the fixing device. the

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