CN202523990U - External noise-reduction air-cooling auxiliary machine for indoor frequency converter - Google Patents

External noise-reduction air-cooling auxiliary machine for indoor frequency converter Download PDF

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Publication number
CN202523990U
CN202523990U CN2012202090314U CN201220209031U CN202523990U CN 202523990 U CN202523990 U CN 202523990U CN 2012202090314 U CN2012202090314 U CN 2012202090314U CN 201220209031 U CN201220209031 U CN 201220209031U CN 202523990 U CN202523990 U CN 202523990U
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CN
China
Prior art keywords
frequency converter
rose box
air
indoor
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012202090314U
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Chinese (zh)
Inventor
汤凯
刘贵庆
李鹤
许景龙
王洪亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Daqing Oilfield Co Ltd
Original Assignee
Petrochina Co Ltd
Daqing Oilfield Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Petrochina Co Ltd, Daqing Oilfield Co Ltd filed Critical Petrochina Co Ltd
Priority to CN2012202090314U priority Critical patent/CN202523990U/en
Application granted granted Critical
Publication of CN202523990U publication Critical patent/CN202523990U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An outdoor frequency converter is with external wind cooling auxiliary engine that makes an uproar that falls. This indoor converter is with external wind cooling auxiliary engine of making an uproar that falls includes pipeline fan (3), install in rose box (1) pipeline fan (3), install on outdoor wall (20) rose box (1), air-cooled system controller (62) are installed to wall (20) inboard, pipeline fan (3) air outlet side is through clamp (11) sealing connection shock attenuation flexible air hose (11), trompil that air hose (11) passed wall (20) extends to indoorly, it is built on stilts inside getting into converter cabinet (60) through crane span structure (61), and with converter (40) air intake connection. This indoor converter is with external wind cooling auxiliary engine of making an uproar that falls solves the heat dissipation problem of converter in the switch board, has guaranteed the normal operating of equipment, migrates the indoor noise source of room on duty to outdoor.

Description

Indoor frequency converter is with external noise reduction air cooling subsidiary engine
Technical field
The utility model relates in the oil field gathering and transportation field a kind of frequency converter with external noise reduction air-cooling device.
Background technology
How frequency converter need be installed in indoor because operating ambient temperature is required height.In its when operation, produces great amount of heat and need dispel the heat by blower fan, if indoorly do not reach dustless cleaning condition, the cooling fan blade surface can laying dust, and air quantity descends to cause fan noise to rise simultaneously.When in rack, installing, circulation of rack inner air and circulation radiating condition are poor, and the frequency converter temperature is higher relatively, and operation stability descends, and AC noise progressively strengthens, and seriously shorten even burn equipment life.Directly cause indoor low-frequency noise severe overweight on the other hand, operating personnel are caused health hazards.
Summary of the invention
In order to solve the problem that exists in the background technology; The utility model provides a kind of indoor frequency converter with external noise reduction air cooling subsidiary engine; This indoor frequency converter solves the heat dissipation problem of frequency converter in power distribution cabinet with external noise reduction air cooling subsidiary engine, has guaranteed the normal operation of equipment.Migrate to the room noise source of night shift room outdoor.
The technical scheme of the utility model is: this indoor frequency converter comprises pipeline fan with external noise reduction air cooling subsidiary engine; Pipeline fan is installed in the Rose Box, and Rose Box is installed on the outdoor wall, and the wall installed inside has the air cooling system controller; Pipeline fan air-out oral-lateral is through the clip flexible airduct of damping that is tightly connected; The perforate that airduct passes wall extends to indoor, and built on stilts to get into the frequency converter cabinet inner through crane span structure, and be connected with the frequency converter air inlet.
The utlity model has following beneficial effect: this device solves be indoor or frequency conversion tank in the bad and fan noise problem of frequency converter heat radiation of installing; 100% new wind through outdoor introducing carries out frequency converter heat radiation circulation; Improve the heat radiation quality of air cooling system; And stop the blower fan low-frequency noise, improve the workplace sound environment quality.
Description of drawings:
Accompanying drawing 1 is a tube-cooled air circulating system structure chart;
Accompanying drawing 2 is Rose Box 1 structural representation in the accompanying drawing 1;
Accompanying drawing 3 is frequency converter 40 air intake interface johning knot compositions;
Accompanying drawing 4 is the standby fan structure chart of indoor installation;
Accompanying drawing 5 is the dehumidification system of Rose Box 1 in the accompanying drawing 1;
Accompanying drawing 6 is basic control principle figure.
Embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, this Rose Box 1 is installed on the outdoor wall 20; There is air cooling system controller 62 wall 20 inboards; Air intake filtration case 1 inner pipe laying blower fan 3, pipeline fan 3 air-out oral-laterals are through the clip flexible airduct 11 of damping that is tightly connected; The flexible airduct airduct 11 of damping passes in the perforate inlet chamber of wall 20, and the flexible airduct 11 of damping is maked somebody a mere figurehead through crane span structure 61 and got into frequency converter cabinets 60 inside, and is connected with frequency converter 40 air inlets.Air filtering box 1 bottom is provided with air intake duct, and fills the suction that filter cotton layer 6 reduces air particle.
Accompanying drawing 2 is Rose Box 1 structure chart; There is maintenance chamber door 2 Rose Box 1 front side; Filter screen stand base plate 8 is arranged at the bottom, is connected the base plate 8 inboard filter screen brackets 7 that connect with casing 1 through removable fasteners; The thick filter pulp layer 6 of imitating hangs on the support 7, forms the inlet air filtration structure through compressing contact with Rose Box 1 interior corresponding clamp 70; The vertical direction of filter cotton layer 6 has pressure-bearing sense switch mechanism 12; Rose Box 1 is fixing with wall 20 through leg 9 is installed; Rose Box 1 inside is equipped with external-rotor-type pipeline fan 3, through fixing otic placode 13, yielding rubber piece 15, buffering connecting rod 14 and Rose Box 1 vertical installation; Promptly upwards the outlet of a side is through the flexible PVC airduct 10 of clip 11 connection dampings for pipeline fan 3 air outlets, and airduct 10 is through outside the perforate outlet box of casing 1 rear side; The inboard paste heat-preserving sound-absorbing material of air intake filtration case.
Accompanying drawing 3 is a frequency converter air intake interface johning knot composition, and the original axial flow blower 41 in frequency converter 40 bottoms that is fixed on the pedestal 47 is removed; Air inlet is installed concentric reducer kuppe 44, uses screw 42 to be fixed on frequency converter 40 air inlets, and seam crossing is indentation sealing adhesive tape 43 in advance; The following end interface of kuppe 44 is connected with the flexible PVC airduct 10 of clip 45 and damping.
Accompanying drawing 4 is the standby fan structure chart of indoor installation: the outdoor air flow 54 that pipeline fan 3 provides is connected three ventilation ducts, 53 straight-through entrance points through airduct 10, non-return air-valve 50, clip 52; Three ventilation ducts, 53 straight-through port of export air quantity 55 cause frequency converter 40 through the airduct 51 that clip 52 connects; The T-shaped mouth end of three ventilation ducts 53 is fixed non-return air-valve 50, and the outside connects the subsequent use big air quantity axial flow blower 56 of high speed, is used to provide indoor subsequent use air quantity 57.The standby fan system is when guaranteeing that subsidiary engine is unusual, and the part of reliable measure is provided for the main equipment operation.
Accompanying drawing 5 is for containing the integrated inlet air filtration case of air of dehumidification system; Its internal structure comprises the condensing heat-exchange coil pipe group 34 of the incline structure that install Rose Box air inlet bottom; There is " V " type aliform runner hot well 35 of inclination hot coil group 34 belows; Feeder 35 is communicated with the water collector 38 of its below, and condensed water is flowed in the water collector 38, and discharges outside the Rose Box through drainage pipe 37; The import and export of hot coil group 34 link with the import and export of refrigerant compressor 33 respectively; The side of refrigerant compressor 33 is equipped with radiator 32; Refrigerant compressor 33 is installed in the shell 31 with radiator 32, and shell 31 is fixed on the outer wall of Rose Box 1, Rose Box 1 inboard paste heat-preserving sound-absorbing material.
Do elaboration below in conjunction with 6 pairs of this machine basic control principle of accompanying drawing: 4 groups of transducers are monitored frequency converter temperature of outgoing air, humidity, pipeline blast and inlet air filtration material conduction status respectively; Central processing unit is analyzed the back through guidance panel video data or situation to each item data preparation; The frequency converter temperature of outgoing air is increased to early warning value, and processor control pipeline fan speed regulation increases air quantity, reduces to preset basic wind speed after normal; Continuing rising like temperature of outgoing air can not descend, and processor shows the real time temperature value and sends warning through display unit, triggers temperature upper limit; Pipeline blast detecting sensor monitors cooling air pipeline pressure when being lower than preset value, is regarded as the fan operation fault and promptly starts warning; Choosing equipment is with the system of blower fan 56, can exceed standard or fan trouble starts standby fan work automatically when shutting down and do not shut down operation to guarantee frequency converter at temperature of outgoing air, and sound and light alarm is pointed out artificial treatment simultaneously; When humidity sensor detected air draft humidity and exceeds standard, system sent overproof prompts and reports to the police, and when reaching frequency converter working relative humidity limiting value, processor is shut down by frequency converter and shown through interlock method and shuts down reason; As adopt the air inlet integrated inlet air filtration case that dehumidifies, and when ambient humidity exceeded standard, the operation of system start-up dehumidifier reduced ambient humidity, and humidity is reduced to when stopping lower limit, and dehumidifier quits work; The thick efficient filter wool of installing in the outdoor inlet air filtration case can influence air mass flow when excessive accumulation dust; Filter surface layer simultaneously and can produce inside arc deformation because of negative pressure; When reaching predeterminated position; The connecting rod of filter pulp obstruction sensor can be examined deformation values, promptly is regarded as needing to change the filter cotton material, and changes through the display floater prompting.
Tube-cooled blower fan system and frequency converter adopt the two-way startup interlocking, and during tube-cooled blower fan system off-duty, frequency converter will lock halted state and can't move, and after pipeline fan started in advance, frequency converter can move by switching; The tube-cooled blower fan system was not worked when frequency converter powered up, and after frequency converter was shut down outage, the tube-cooled blower fan system quit work.
Control system: system adopts independent air-cooled monitoring and control method, avoids the change to frequency converter.General control method is for being provided with hand governor; Outdoor fan is carried out speed regulating control, and the speed regulator loop digital thermostat of connecting is provided with the paster temperature sensor at the frequency converter air outlet; Detect leaving air temp; Fuzzy speed governing definite value is manually set in the start and stop of control outdoor fan, Various Seasonal, reaches the balanced mode that outdoor fan is not shut down low-speed running.Under temperature anomaly or off-premises station temperature control failure conditions, the non-speed governing full-power mode of system start-up, outdoor fan is by the maximum power operation, and simultaneity factor is reported to the police, and notifies artificial check system problem.
The utility model is to the big-and-middle-sized frequency converter cooling blower running noises problem of indoor installation; Ensure the subsidiary engine mode through setting up external frequency converter interlocking heat radiation; Outer wall hanging air filtering box of installation room and pipeline fan set up the flexible airduct of damping outdoor air are introduced the frequency converter air intake duct, substitute former frequency converter axial flow blower; The new wind of introducing carries out frequency converter heat radiation circulation; Improve the heat radiation quality of air cooling system, solve the contradiction between frequency converter operational support and the noise, improve the workplace sound environment quality.

Claims (5)

1. an indoor frequency converter is with external noise reduction air cooling subsidiary engine; Comprise pipeline fan (3); It is characterized in that: described pipeline fan (3) is installed in the Rose Box (1), and Rose Box (1) is installed on the outdoor wall (20), and wall (20) installed inside has air cooling system controller (62); Pipeline fan (3) air-out oral-lateral is through the clip flexible airduct of damping (11) that is tightly connected; The perforate that airduct (11) passes wall (20) extends to indoor, gets into frequency converter cabinet (60) inside through crane span structure (61) is built on stilts, and is connected with frequency converter (40) air inlet.
2. indoor frequency converter according to claim 1 is with external noise reduction air cooling subsidiary engine; It is characterized in that: filter screen stand base plate (8) is arranged at Rose Box (1) bottom; Be connected with Rose Box (1) through removable fasteners; The inboard filter screen bracket (7) that connects of base plate (8) is slightly imitated filter pulp layer (6) and is hung on the support (7), forms the inlet air filtration structure through compressing contact with the interior corresponding clamp (70) of Rose Box (1); The vertical direction of filter cotton layer (6) has pressure-bearing sense switch mechanism (12); Rose Box (1) is fixing with wall (20) through leg (9) is installed; Pipeline fan (3) passes through fixedly otic placode (13), yielding rubber piece (15), buffering connecting rod (14) and the vertical installation of Rose Box (1).
3. indoor frequency converter according to claim 1 is with external noise reduction air cooling subsidiary engine; It is characterized in that: frequency converter (40) air inlet uses screw (42) that kuppe (44) is installed; Seam crossing is indentation sealing adhesive tape (43) in advance, and the following end interface of kuppe (44) is connected with the flexible airduct of damping (10) with clip (45).
4. indoor frequency converter according to claim 1 is with external noise reduction air cooling subsidiary engine; It is characterized in that: the flexible airduct of damping (10) is connected with three ventilation ducts (53) through clip (52); Three ventilation ducts (53) air inlet end is equipped with non-return air-valve (50), and the T-shaped mouth end of three ventilation ducts (53) is installed with non-return air-valve (50) and axial flow blower (56).
5. indoor frequency converter according to claim 1 is with external noise reduction air cooling subsidiary engine; It is characterized in that: the interior air inlet of Rose Box (1) bottom is equipped with the condensing heat-exchange coil pipe group (34) of incline structure; There is " V " type aliform runner hot well (35) of inclination heat exchange coil group (34) below; Feeder (35) is communicated with the water collector (38) of its below, and water collector (38) is linked with drainage pipe (37), and the import and export of heat exchange coil group (34) link with the import and export of refrigerant compressor (33) respectively; The side of refrigerant compressor (33) is equipped with radiator (32); Refrigerant compressor (33) and radiator (32) are installed in the shell (31), and shell (31) is fixed on the outer wall of Rose Box (1), the inboard paste heat-preserving sound-absorbing material of Rose Box (1).
CN2012202090314U 2012-05-11 2012-05-11 External noise-reduction air-cooling auxiliary machine for indoor frequency converter Expired - Fee Related CN202523990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202090314U CN202523990U (en) 2012-05-11 2012-05-11 External noise-reduction air-cooling auxiliary machine for indoor frequency converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202090314U CN202523990U (en) 2012-05-11 2012-05-11 External noise-reduction air-cooling auxiliary machine for indoor frequency converter

Publications (1)

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CN202523990U true CN202523990U (en) 2012-11-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104300402A (en) * 2014-10-30 2015-01-21 法瑞钠(济南)焊接器材有限公司 Cooling device of frequency changers of welding wire machining device
CN104577827A (en) * 2015-01-19 2015-04-29 国家电网公司 High-voltage switch cabinet
CN108599632A (en) * 2018-06-09 2018-09-28 徐杰 A kind of intelligent central control system
CN115768063A (en) * 2022-11-16 2023-03-07 重庆钢铁股份有限公司 External cooling system of electric transmission device and control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104300402A (en) * 2014-10-30 2015-01-21 法瑞钠(济南)焊接器材有限公司 Cooling device of frequency changers of welding wire machining device
CN104577827A (en) * 2015-01-19 2015-04-29 国家电网公司 High-voltage switch cabinet
CN104577827B (en) * 2015-01-19 2016-08-31 国家电网公司 High-tension switch cabinet
CN108599632A (en) * 2018-06-09 2018-09-28 徐杰 A kind of intelligent central control system
CN115768063A (en) * 2022-11-16 2023-03-07 重庆钢铁股份有限公司 External cooling system of electric transmission device and control method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121107

Termination date: 20200511

CF01 Termination of patent right due to non-payment of annual fee