BS 5060-1987 Specification for performance and construction of electric circulating fans and regulators《回风电扇及调节器的性能和结构规范》.pdf

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1、BRITISH STANDARD BS 5060:1987 IEC 879:1986 Specification for Performance and construction of electric circulating fans and regulators UDC 697.953:621.3 32 523 + 621.316.718.5:621.3.001.4BS5060:1987 This British Standard, having been prepared under the directionof the Light ElectricalEngineering Stan

2、dardsCommittee, was published under the authorityofthe Board ofBSIandcomes intoeffecton 31July1987 BSI 01-2000 First published March 1974 First revision The following BSI references relate to the work on this standard: Committee reference LEL/28 Draft for comment 84/27703 DC ISBN 0 580 15969 8 Commi

3、ttees responsible for this British Standard The preparation of this British Standard was entrusted by the Light Electrical Engineering Standards Committee (LEL/-) to Technical Committee LEL/28, upon which the following bodies were represented: Association of Manufacturers of Domestic Electrical Appl

4、iances British Electrotechnical Approvals Board Consumer Standards Advisory Committee of BSI Department of Trade and Industry (Consumer Safety Unit, CA Division) Department of Trade and Industry (National Engineering Laboratory) Hevac Association Rotating Electrical Machines Association (BEAMA Ltd.)

5、 Amendments issued since publication Amd. No. Date of issue CommentsBS5060:1987 BSI 01-2000 i Contents Page Committees responsible Inside front cover National foreword ii 1 Scope 1 2 Definitions 1 3 Sizes, number of speeds and types 2 4 Frequency 2 5 Design and general construction 2 6 Speed regulat

6、ors 3 7 Interchangeability 3 8 Marking 3 9 Tests 3 10 Tolerance on ratings 5 Figure 1 Angular movement of oscillation 6 Figure 2 Arrangement of test chamber and screen 6 Figure 3 Plan of test chamber and screen 7 Figure 4 Arrangement for air delivery test for pedestal type fans 7 Figure 5 Arrangemen

7、t for air delivery test for table and cabin type fans 8 Table I 2 Table II 2 Publications referred to Inside back coverBS5060:1987 ii BSI 01-2000 National foreword This British Standard has been prepared under the direction of the Light Electrical Engineering Standards Committee and is identical wit

8、h IEC879:1986 “Performance and construction of electric circulating fans and regulators”, published by the International Electrotechnical Commission (IEC). This standard supersedes BS5060:1974, which is withdrawn. The revised standard now lists the preferred sizes of ceiling and deck-head type fans,

9、 and the preferred sizes, number of regulated speeds and types of pedestal type fans. Terminology and conventions. The text of the International Standard has been approved as suitable for publication as a British Standard without deviation. Some terminology and certain conventions are not identical

10、with those used in British Standards; attention is drawn especially to the following. In some places the comma has been used as a decimal marker. In BritishStandards it is current practice to use a full point on the baseline as the decimal marker. The Technical Committee has reviewed those provision

11、s of IEC342-2:1982, IEC535:1977 and IEC665:1980, to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are respo

12、nsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references International Standard Corresponding British Standard IEC 51:1984 BS 89:1977 Specification for direct acting indicating electrical measuring instrument

13、s and their accessories (Identical) IEC 342-1:1981 BS 3456 Safety of household and similar electrical appliances Section 102.342 aParticular requirements for electric fans and regulators (Technically equivalent) a In preparation. Summary of pages This document comprises a front cover, an inside fron

14、t cover, pagesi andii, pages1 to8, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS5060:1987 BSI 01-2000 1 1 Scope This standard applies to t

15、he following types of electric motor directly driven fans and their associated regulators intended for use on single-phase a.c. and d.c. circuits not exceeding250V: a) Fans for household and similar purposes: ceiling type fans; table type fans; pedestal type fans. b) Fans for use in ships: deck-head

16、 type fans; cabin type fans. Wherever applicable the term “fan” used in this standard includes its associated regulator, if any. This standard does not apply to the following types of fans which are covered in separate standards: jet fans (see IEC Publication 535: Jet Fans and Regulators); ventilati

17、ng fans (see IEC Publication 665: A.C. Electric Ventilating Fans and Regulators for Household and Similar Purposes). This standard does not apply to safety requirements for electric circulating fans and regulators, which are covered by IEC Publication342: Safety Requirements for Electric Fans and Re

18、gulators. 2 Definitions For the purpose of this standard, in addition to those given in IEC Publications 342-1 Part 1: Fans and Regulators for Household and Similar Purposes, and 342-2: Part 2: Fans and Regulators for Use in Ships, the following definitions shall apply. 2.1 ceiling or deck-head type

19、 fan a propeller-bladed fan having two or more blades, and provided with a device for suspension from the ceiling of a room so that the blades rotate in a horizontal plane 2.2 table or cabin type fan a smaller-diameter propeller-bladed fan having two or more blades, and intended for use with free in

20、let and outlet of air. It may be a table fan or bracket-mounted fan for wall or ceiling mounting 2.3 pedestal type fan a propeller type fan having two or more blades mounted on a pedestal of fixed or variable height and intended for use with free inlet and outlet of air 2.4 blade sweep the diameter

21、of the circle traced out by the extreme tips of the fan blades 2.5 size of fan the sweep in millimetres 2.6 plane of fan blades the middle plane of the solid of revolution traced out by the fan blades 2.7 plane of anemometer vanes the middle plane of the solid of revolution traced out by the vanes o

22、f the anemometer 2.8 test plane the horizontal (in the case of ceiling type fans) and vertical (in the case of table and pedestal type fans) plane containing the plane of the anemometer vanes 2.9 Types of enclosures of motors and regulators 2.9.1 totally enclosed type enclosure an enclosure which do

23、es not provide for circulation of air between the inside and outside of the case, but not necessarily “air-tight” 2.9.2 ventilated type enclosure an enclosure in which the ventilation is not materially obstructed while the live and internal rotating parts are protected mechanically against accidenta

24、l or careless contact 2.10 air delivery quantity of air delivered in a given time under specified conditions 2.11 rated air delivery air delivery of the fan assigned by the manufacturer 2.12 service value the air delivery in cubic metres per minute divided by electrical power input to the fan in wat

25、ts at the voltage and frequency specified for the testBS5060:1987 2 BSI 01-2000 in the event of the fan comprising an oscillating mechanism, the electrical input in watts is measured with the fan under normal full-speed conditions, that is with the oscillating mechanism in action, whereas the air de

26、livery is determined with the oscillating mechanism out of action 2.13 Methods of mounting (for table/cabin and pedestal type fans) 2.13.1 rigid mounting the type of mounting in which direction of air flow can be changed only by changing the position of the fan 2.13.2 semi-rigid mounting the mountin

27、g incorporating a trunnion and/or swivel arrangement so that the direction of the air flow can be altered to suit requirements 2.13.3 oscillating mounting the mounting provided with a device by which the direction of the axis of the air flow is changed automatically and continuously in one plane 2.1

28、3.4 double oscillating (or gyrostatic) mounting the mounting provided with a device by which the direction of the axis of the air flow is changed automatically and continuously in more than one plane 2.14 type tests tests carried out to prove conformity of the requirements of this standard. These ar

29、e intended to prove general qualities and design of a given type of fan 3 Sizes, number of speeds and types 3.1 The preferred sizes of ceiling fans shall be: 900, 1200, 1400, 1500 and 1800mm. 3.2 The preferred sizes of deck-head type fans shall be: 600, 750, 900, 1050 and 1500mm. 3.3 The preferred s

30、izes, minimum numbers of regulated speeds and types of table/cabin type fans shall be as given inTable I. Table I 3.4 The preferred sizes, number of regulated speeds and types of pedestal type fans shall be as given inTable II. Table II 4 Frequency The preferred frequency for a.c. fans shall be50Hz

31、and60Hz. 5 Design and general construction 5.1 Enclosures The enclosures of fan motors and regulators shall be either of ventilated or totally enclosed type. 5.2 Blades Fans shall be fitted with two or more well-balanced blades made from metal or other suitable material so as to be reasonably free f

32、rom vibration. 5.3 Bearings Instructions for the proper lubrification of bearings shall be furnished by the manufacturer, if necessary. 5.4 Method of mounting (for table/cabin and pedestal type fans) The mounting may be rigid, semi-rigid, oscillating or double oscillating (gyrostatic). In the case o

33、f semi-rigid mounting the minimum angle through which it is possible to rotate the fan horizontally as well as vertically without changing the position of the fan shall be45 and7 respectively. 5.5 Oscillating mechanism (for table/cabin and pedestal type fans) 5.5.1 The number of oscillations per min

34、ute at full speed shall be not less than four. Size of fan (mm) Minimum number of regulated speeds Type 200 1 Non-oscillating 250 1 Oscillating or non-oscillating 300 2 350 3 400 3 Size of fan (mm) Minimum number of regulated speeds Type 300 2 Oscillating or non-oscillating 400 2 500 2 600 2BS5060:1

35、987 BSI 01-2000 3 5.5.2 Whether or not the angular movement of the mechanism is variable, an angular movement of not less than60 shall be available (seeFigure 1,page6). 5.5.3 A device shall be provided to render the oscillating mechanism inoperative when desired. The method of operating the device s

36、hall be indicated. 5.6 Noise level The noise level of fans and regulators at all speeds shall be within reasonable limits. 6 Speed regulators 6.1 Regulators shall be capable of reducing the speed of the fan by at least50% of the full speed at the voltage and frequency specified for the test, except

37、in the case of fans of the shaded pole type where the speed reduction shall be not less than20%. Fans shall be capable of running continuously on any of the contacts of the regulator at the rated voltage or voltages or within the whole rated voltage range, whichever is applicable. 6.2 The regulators

38、 shall have an “off” position and be provided with at least five running positions in case of ceiling/deck-head type fans and as specified in Sub-clauses3.3 and3.4 for other types of fans, with the speed stops being equal as far as possible. 7 Interchangeability Components of a particular model numb

39、er of fan, its associated regulator and set of blades shall be interchangeable. 8 Marking 8.1 Each fan shall be indelibly marked with the size of fan in addition to the information specified in IECPublication 342-1 or 342-2 as applicable. Separately mounted regulators shall be marked with the model/

40、size of fans for which they are suited. 8.2 The following information shall be supplied on request: a) power factor; b) rated speed in revolutions per minute; c) number of blades; d) type of regulator and number of running positions; e) class of insulation; f) type of bearings; g) rated air delivery

41、; h) service value. 9 Tests 9.1 The tests specified in this standard are type tests. 9.2 Limits of error of electrical measuring instruments Ammeters, voltmeters and wattmeters used for type tests shall have a class index 0.5 or better (seeIECPublication 51: Direct Acting Indicating Analogue Electri

42、cal Measuring Instruments and Their Accessories). 9.3 Test voltage and frequency The voltage and frequency at which the tests are conducted shall be as follows: 9.3.1 When a rated voltage is indicated on the nameplate, the tests shall be conducted at the rated voltage. If the fan is specified for tw

43、o or more distinct rated voltages, the tests shall be carried out at the most unfavourable voltage. When a voltage range is indicated on the nameplate, the test voltage shall be: the highest and the lowest values of the range when voltage range is in excess of 10% of the mean of the range; the mean

44、of the upper and lower limits when the voltage range is10% or less of the mean of the range. 9.3.2 Fans shall be tested at rated frequency, if marked. For a fan with a range of frequencies, the tests shall be made at the frequency which gives the most unfavourable results. For a fan not marked with

45、rated frequency the tests shall be made either at50Hz or60Hz whichever is more unfavourable. 9.3.3 Limits of voltage variation The variation in the voltage shall not exceed 1% of the test voltage during air performance tests. While taking the current and wattage readings during these tests, however,

46、 the voltage shall be the test voltage. 9.4 Test for air performance The method for determining the air performance shall be as follows. The test shall be carried out at an ambient temperature of20 5 C. 9.4.1 Ceiling/deck-head type fans a) Test chamber The fan shall be tested in a test chamber havin

47、g the following dimensions, length:4.50m, width:4.50m, height:3m (seeFigure 2andFigure 3, pages6 and7).BS5060:1987 4 BSI 01-2000 The top of the test chamber shall be covered except for a centrally situated circular opening (top-opening), the diameter of which shall be between1.1 and1.2 times the bla

48、de sweep. The central diaphragm in which the top opening is located shall be not more than6mm thick. The observer shall take readings from a position between the chamber and outer screen, and a small shelf for electrical instruments may be provided in this space. Except for these, the space between

49、the chamber and the outer screen and the space inside the test chamber shall be clear of all obstructions, and there shall be no heating or cooling apparatus anywhere in the system. The room in which the test chamber and the outer screen are erected shall be suitably protected from extraneous draughts. b) Height of fan The fan shall be placed at such a height that the plane of the fan blades is3m (tolerance 10mm) from the ground level and lies in the plane of the top edge of the diaphragm containing the top opening in the roof of the tes

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