CN102903488A - Dry type iron-core starting reactor for cold water medium-pressure unit of air conditioner - Google Patents
Dry type iron-core starting reactor for cold water medium-pressure unit of air conditioner Download PDFInfo
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- CN102903488A CN102903488A CN2012104199655A CN201210419965A CN102903488A CN 102903488 A CN102903488 A CN 102903488A CN 2012104199655 A CN2012104199655 A CN 2012104199655A CN 201210419965 A CN201210419965 A CN 201210419965A CN 102903488 A CN102903488 A CN 102903488A
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Abstract
The invention discloses a dry type iron-core starting reactor for a cold water medium-pressure unit of an air conditioner, belonging to the field of starting devices of motors. An insulation cylinder is arranged between an iron core and a coil, a first supporting rod is arranged between the iron core and the insulation cylinder, an upper cushion block and a lower cushion block are arranged on the upper end and the lower end of the coil, a pair of upper clamp pieces is arranged above the upper cushion block and is connected through a first piercing screw rod, a pair of lower clamp pieces is arranged below the lower cushion block and is connected through a second piercing screw rod, a drawing screw rod is connected between the pair of upper clamp pieces and the pair of lower clamp pieces, a compression nail is arranged on the pair of upper clamp pieces, a glass fiber cylinder is arranged on the inner side layer of the coil, a second supporting rod is arranged between the glass fiber cylinder and the insulating cylinder, the outer side of the glass fiber cylinder is provided with an epoxy glass laminated sheet, an insulation supporting strip is arranged between the epoxy glass laminated sheet and the glass fiber cylinder, the outer side of the epoxy glass laminated sheet is wound with a winding and a compression ring, a wire outgoing end rind is arranged between the winding and the compression ring, and the outer side layer of the winding is externally provided with an insulating layer. The dry type iron-core starting reactor has the advantages of being reduced in size, saving the cost and preventing creepage phenomena on the surface of the coil.
Description
Technical field
The invention belongs to the motor starter technical field, be specifically related to press group dry-type iron-core starting reactor in a kind of air conditioner cold water
Background technology
Medium-voltage motor refers generally to rated voltage at the motor of 3KV-10KV, and capacity motor is large, and starting resistor is high, and starting current is large, if directly startup can cause the fault of motor or burn.Normally come starter motor with the method for step-down in order to overcome this phenomenon, step-down method commonly used is tandem promoter reactor in winding at present.General response time reactor only has a pair of lifting one's head not to be with tap, coil adopts the structure of whole encapsulated type, and only hold one deck dielectric film in the coil outside, coil relatively iron core is single gap structure, both spacing distances are large, volume is large, the class of insulation is low so that reactor has for these features, electrical strength is not high, heat-sinking capability is poor and the coil inside dipping lacquer soaks into weak effect, can only satisfy the shortcomings such as a kind of start operating performance.
For the deficiency that exists in the above-mentioned prior art, the applicant has done a large amount of research and improvement, and technical scheme described below produces under this background
Summary of the invention
Task of the present invention is to provide press group dry-type iron-core starting reactor in a kind of air conditioner cold water, and its volume is little, the class of insulation is high, electrical strength is high, mechanical strength is good, excellent radiation performance, can satisfy multiple start operating performance.
Task of the present invention is finished like this, press group dry-type iron-core starting reactor in a kind of air conditioner cold water, be characterized in: comprise iron core, insulating cylinder, the coil of winding on iron core, upper clamping piece, lower clamping piece, upper cushion block, lower cushion block, draw screw rod, the first support rod, the second support rod and pressure nail, between iron core and the coil insulating cylinder is set, between iron core and insulating cylinder, along the circumferential direction be arranged at intervals with a plurality of the first support rods, between iron core and insulating cylinder, form the first air gap by the first support rod, in the top and bottom of coil short transverse cushion block and lower cushion block are set respectively, correspondence is provided with upper clamping piece above upper cushion block, upper clamping piece has a pair of, lay respectively at the both sides, front and back of iron core and pass through the first core through screw rod and connect, correspondence is provided with lower clamping piece below lower cushion block, lower clamping piece has a pair of, corresponding with the position of a pair of upper clamping piece, and be positioned at equally the both sides, front and back of iron core and connected by the second core through screw rod, the described screw rod that draws is connected between a pair of upper clamping piece and a pair of lower clamping piece, be used for the tension upper clamping piece, lower clamping piece and the iron core that secures the above, on a pair of upper clamping piece, also be provided with and press nail, described pressure nail is pressed into and is used for fixing described coil in the cushion block, described coil is provided with the glass fiber cylinder at la m, between described glass fiber cylinder and described insulating cylinder, along the circumferential direction be arranged at intervals with a plurality of the second support rods, between glass fiber cylinder and insulating cylinder, form interstice by the second support rod, described glass fiber cylinder arranged outside has the multilayer epoxy resin bonded fiber, between described epoxy resin bonded fiber and described glass fiber cylinder, along the circumferential direction be arranged at intervals with a plurality of insulating stays, between epoxy resin bonded fiber and glass fiber cylinder, form the 3rd air gap by insulating stay, the outside of described epoxy resin bonded fiber is arranged with respectively winding, trim ring, trim ring is positioned at the upper of winding short transverse, the lower end, be provided with the leading-out terminal circle between winding and trim ring, described winding also is provided with external insulation layer at the outermost layer of Width.
In a specific embodiment of the present invention, be respectively arranged with a plurality of insulators at a pair of upper clamping piece, be connected with copper bar on each insulator; The lifting one's head of described winding comprises and initially lifting one's head, lift one's head in the centre and end is lifted one's head, initial lifting one's head leads to the insulator that is positioned at iron core one side and is connected with copper bar on it, lifts one's head and lead to respectively the insulator that is positioned at the iron core opposite side and be connected with copper bar on it with being connected to lift one's head in the centre.
In another specific embodiment of the present invention, described iron core is laminated by silicon steel sheet, and joint form is directly to stitch.
In another specific embodiment of the present invention, also be provided with pressing plate on the upper surface of described iron core, described pressing plate is connected on a pair of upper clamping piece, is used for compressing described iron core.
In another specific embodiment of the present invention, be provided with insulating barrier between described iron core and the described pressing plate.
Also have in the specific embodiment of the present invention, describedly initially lift one's head, lift one's head in the centre and terminal lead-in wire of lifting one's head hold with polyimide film after sheathed glass fiber tube again.
In of the present invention and then specific embodiment, described external insulation layer adopts stacked the forming of multilayer preimpregnation DMD insulating paper.
The present invention is owing to adopted said structure, respectively between iron core and the insulating cylinder, between insulating cylinder and the coil and be formed with three air gaps between the coil inside, this structure has strengthened coil dielectric strength over the ground greatly, reduced the distance between coil and the iron core, thereby can reduce the reactor volume, save material cost; Coil inside arranges insulating stay, so that have the gap between winding and the insulating cylinder, the winding inner surface can directly contact with lacquer type organic coating, good paint dipping effect, thus strengthened the dielectric strength of coil surface, effectively prevent the generation of coil surface creepage phenomenon.
Description of drawings
Fig. 1 is front view of the present invention.
Fig. 2 is vertical view of the present invention.
Fig. 3 is end view of the present invention.
Fig. 4 is the profile of iron core of the present invention, insulating cylinder and coil.
Fig. 5 is the vertical view of iron core of the present invention, insulating cylinder and coil.
Among the figure: 1. iron core; 2. insulating cylinder; 3. coil, 31. glass fiber cylinders, 32. insulating stays, 33. epoxy resin bonded fibers, 34. leading-out terminal circles, 35. trim rings, 36. windings, 361. are initially lifted one's head, are lifted one's head in the middle of 362., 363. ends are lifted one's head, 37. external insulation layers; 4. upper clamping piece, 41. first core through screw rod; 5. lower clamping piece, 51. second core through screw rod; 6. go up cushion block; 7. lower cushion block; 8. draw screw rod; 9. first support rod, 9 ＇. the second support rod; 10. press nail; 11. the first air gap; 12. interstice; 13. the 3rd air gap; 14. insulator; 15. copper bar; 16. pressing plate.
Embodiment
In order to make the public can fully understand technical spirit of the present invention and beneficial effect; the applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but the applicant is not restriction to technical scheme to the description of embodiment, anyly makes form and immaterial variation all should be considered as protection scope of the present invention according to the present invention's design.
See also Fig. 1, Fig. 2, Fig. 3 and in conjunction with Fig. 4, Fig. 5, press group dry-type iron-core starting reactor in a kind of air conditioner cold water, comprise iron core 1, insulating cylinder 2, winding the coil 3 in iron core 1 outside, a pair of upper clamping piece 4, a pair of lower clamping piece 5, on cushion block 6, lower cushion block 7, draw screw rod 8, the first support rod the 9, second excellent 9 ＇ of support and press nail 10.Iron core 1 is laminated by silicon steel sheet, and joint form is direct seam.Between iron core 1 and the coil 3 insulating cylinder 2 is set, between iron core 1 and insulating cylinder 2, along the circumferential direction be arranged at intervals with a plurality of the first support rods 9, between iron core 1 and insulating cylinder 2, form the first air gap 11 by the first support rod 9, in the top and bottom of coil 3 short transverses cushion block 6 and lower cushion block 7 are set respectively, correspondence is provided with upper clamping piece 4 above upper cushion block 6, upper clamping piece 4 has a pair of, lay respectively at the both sides, front and back of iron core 1 and pass through the first core through screw rod 41 and connect, specifically: the centre of described the first core through screw rod 41 length directions is located in the iron core 1, two ends are spirally connected with a pair of upper clamping piece 4 respectively, correspondence is provided with lower clamping piece 5 below lower cushion block 7, lower clamping piece 5 has a pair of, corresponding with the position of a pair of upper clamping piece 4, and be positioned at equally the both sides, front and back of iron core 1 and connected by the second core through screw rod 51, specifically: the centre of described the second core through screw rod 51 length directions is located in the iron core 1, two ends are spirally connected with a pair of lower clamping piece 5 respectively, the described screw rod 8 that draws is connected between a pair of upper clamping piece 4 and a pair of lower clamping piece 5, be used for tension upper clamping piece 4, lower clamping piece 5 and the iron core 1 that secures the above, also be provided with on a pair of upper clamping piece 4 and press nail 10, described pressure nail 10 is pressed into and is used for fixing described coil 3 in the cushion block 6.Also be provided with pressing plate 16 on the upper surface of described iron core 1, described pressing plate 16 is connected on a pair of upper clamping piece 4, is used for compressing described iron core 1, is provided with insulating barrier between described iron core 1 and described pressing plate 16.Be respectively arranged with a plurality of insulators 14 at a pair of upper clamping piece 4, be connected with copper bar 15 on each insulator 14.Described coil 3 comprises glass fiber cylinder 31, insulating stay 32, epoxy resin bonded fiber 33, leading-out terminal circle 34, trim ring 35, winding 36 and external insulation layer 37, described glass fiber cylinder 31 is arranged on the la m of coil 3, between described glass fiber cylinder 31 and described insulating cylinder 2, along the circumferential direction be arranged at intervals with excellent 9 ＇ of a plurality of the second supports, excellent 9 ＇ form interstice 12 between glass fiber cylinder 31 and insulating cylinder 2 by the second support, described glass fiber cylinder 31 arranged outside have multilayer epoxy resin bonded fiber 33, between described epoxy resin bonded fiber 33 and described glass fiber cylinder 31, along the circumferential direction be arranged at intervals with a plurality of insulating stays 32, between epoxy resin bonded fiber 33 and glass fiber cylinder 31, form the 3rd air gap 13 by insulating stay 32, the outside of described epoxy resin bonded fiber 33 is arranged with winding 36, the lifting one's head of described winding 36 comprises initially lifts one's head 361, the centre lift one's head 362 and end lift one's head 363, initial lifting one's head 361 leads to the insulator 14 that is positioned at iron core 1 one sides and is connected with copper bar 15 on it, lift one's head and 362 363 lead to respectively the insulator 14 that is positioned at iron core 1 opposite side and be connected with copper bar 15 on it with being connected to lift one's head in the centre, divide lifting one's head of the winding 36 that is arranged in the both sides of reactor like this, can increase the electrical distance between the head of end, guarantee the safety in utilization of product.Simultaneously, initially lift one's head 361, the centre lift one's head 362 and terminal 363 the lead-in wire of lifting one's head do not hold and sheathed glass fiber tube with polyimides.The outside at described epoxy resin bonded fiber 33 also is arranged with trim ring 35, and trim ring 35 is positioned at the upper and lower end of winding 36 short transverses, and trim ring 35 can allow coil 3 stressed even when upper cushion block 6 and 7 pairs of coil 3 application of forces of lower cushion block.Set out bond terminal 34 between winding 36 and trim ring 35, lifting one's head of winding 36 drawn by the space of leading-out terminal circle 34, and in addition, in the dipping lacquer operation, lacquer type organic coating can infiltrate winding 36 inside by this space, strengthens the insulation property of winding 36.Described winding 36 also is provided with external insulation layer 37 at the outermost layer of Width, and the material of described external insulation layer 37 is unrestricted, in the present embodiment, preferably adopts stacked the forming of multilayer preimpregnation DMD insulating paper.
The present invention has changed the insulation system of the single air gap of traditional reactor, has greatly strengthened coil dielectric strength over the ground, has improved electrical strength, has reduced the reactor volume, and excellent radiation performance can satisfy multiple start operating performance, has reached goal of the invention
Claims (7)
1.
Press group dry-type iron-core starting reactor in a kind of air conditioner cold water, it is characterized in that: comprise iron core (1), insulating cylinder (2), the coil (3) of winding on iron core (1), upper clamping piece (4), lower clamping piece (5), upper cushion block (6), lower cushion block (7), draw screw rod (8), the first support rod (9), the second support rod (9 ＇) and pressure nail (10), between iron core (1) and the coil (3) insulating cylinder (2) is set, between iron core (1) and insulating cylinder (2), along the circumferential direction be arranged at intervals with a plurality of the first support rods (9), between iron core (1) and insulating cylinder (2), form the first air gap (11) by the first support rod (9), in the top and bottom of coil (3) short transverse upper cushion block (6) and lower cushion block (7) are set respectively, top correspondence at upper cushion block (6) is provided with upper clamping piece (4), upper clamping piece (4) has a pair of, lay respectively at the both sides, front and back of iron core (1) and pass through the first core through screw rod (41) and connect, below correspondence at lower cushion block (7) is provided with lower clamping piece (5), lower clamping piece (5) has a pair of, corresponding with the position of a pair of upper clamping piece (4), and be positioned at equally the both sides, front and back of iron core (1) and connected by the second core through screw rod (51), the described screw rod (8) that draws is connected between a pair of upper clamping piece (4) and a pair of lower clamping piece (5), be used for tension upper clamping piece (4), lower clamping piece (5) and the iron core (1) that secures the above, on a pair of upper clamping piece (4), also be provided with and press nail (10), described pressure nail (10) is pressed into and is used for fixing described coil (3) in the cushion block (6), described coil (3) is provided with glass fiber cylinder (31) at la m, between described glass fiber cylinder (31) and described insulating cylinder (2), along the circumferential direction be arranged at intervals with a plurality of the second support rods (9 ＇), between glass fiber cylinder (31) and insulating cylinder (2), form interstice (12) by the second support rod (9 ＇), described glass fiber cylinder (31) arranged outside has multilayer epoxy resin bonded fiber (33), between described epoxy resin bonded fiber (33) and described glass fiber cylinder (31), along the circumferential direction be arranged at intervals with a plurality of insulating stays (32), between epoxy resin bonded fiber (33) and glass fiber cylinder (31), form the 3rd air gap (13) by insulating stay (32), the outside of described epoxy resin bonded fiber (33) is arranged with respectively winding (36), trim ring (35), trim ring (35) is positioned at the upper of winding (36) short transverse, the lower end, set out bond terminal (34) between winding (36) and trim ring (35), described winding (36) also is provided with external insulation layer (37) at the outermost layer of Width.
2.
Press group dry-type iron-core starting reactor in the air conditioner cold water according to claim 1, it is characterized in that being respectively arranged with a plurality of insulators (14) at a pair of upper clamping piece (4), be connected with copper bar (15) on each insulator (14); The lifting one's head of described winding (36) comprises lifting one's head (362) in initial lifting one's head (361), centre and end is lifted one's head (363), initial lifting one's head (361) leads to the insulator (14) that is positioned at iron core (1) one side and is connected with copper bar (15) on it, the centre lift one's head (362) be connected with end (363) lead to respectively the insulator (14) that is positioned at iron core (1) opposite side and be connected with copper bar (15) on it.
3.
Press group dry-type iron-core starting reactor in the air conditioner cold water according to claim 1 is characterized in that described iron core (1) is laminated by silicon steel sheet, and joint form is directly to stitch.
4.
Press group dry-type iron-core starting reactor in the air conditioner cold water according to claim 1, it is characterized in that also being provided with pressing plate (16) on the upper surface of described iron core (1), described pressing plate (16) is connected on a pair of upper clamping piece (4), is used for compressing described iron core (1).
5.
Press group dry-type iron-core starting reactor in the air conditioner cold water according to claim 4 is characterized in that being provided with insulating barrier between described iron core (1) and the described pressing plate (16).
6.
Press group dry-type iron-core starting reactor in the air conditioner cold water according to claim 1, it is characterized in that lifting one's head (362) in described initial lifting one's head (361), centre and end lift one's head the lead-in wire of (363) hold with polyimide film after sheathed glass fiber tube again.
7.
Press group dry-type iron-core starting reactor in the air conditioner cold water according to claim 1 is characterized in that described external insulation layer (37) adopts stacked the forming of multilayer preimpregnation DMD insulating paper
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104199655A CN102903488A (en) | 2012-10-29 | 2012-10-29 | Dry type iron-core starting reactor for cold water medium-pressure unit of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104199655A CN102903488A (en) | 2012-10-29 | 2012-10-29 | Dry type iron-core starting reactor for cold water medium-pressure unit of air conditioner |
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| CN102903488A true CN102903488A (en) | 2013-01-30 |
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| CN2012104199655A Pending CN102903488A (en) | 2012-10-29 | 2012-10-29 | Dry type iron-core starting reactor for cold water medium-pressure unit of air conditioner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428040A (en) * | 2015-11-30 | 2016-03-23 | 许继集团有限公司 | Iron core-type split reactor |
| CN106847487A (en) * | 2017-01-16 | 2017-06-13 | 山东电力设备有限公司 | A kind of built-in CT assembling structures |
| CN108231379A (en) * | 2017-12-18 | 2018-06-29 | 保定天威集团特变电气有限公司 | The insulation system of 35kV high-temperature-resisting transformers |
| CN111091951A (en) * | 2020-01-02 | 2020-05-01 | 广州市一变电气设备有限公司 | Transformer with iron yoke having circulating liquid cooling function |
| CN113066638A (en) * | 2021-04-26 | 2021-07-02 | 河北智恒电力科技有限公司 | Choke inductor suitable for submarine optical cable communication |
| CN113130190A (en) * | 2021-03-18 | 2021-07-16 | 上海波亮电器制造有限公司 | Air-core reactor, manufacturing equipment and manufacturing method thereof |
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| CN202871491U (en) * | 2012-10-29 | 2013-04-10 | 常熟市森源电气科技有限公司 | Dry type iron core starting reactor for air conditioner cold water medium voltage unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428040A (en) * | 2015-11-30 | 2016-03-23 | 许继集团有限公司 | Iron core-type split reactor |
| CN106847487A (en) * | 2017-01-16 | 2017-06-13 | 山东电力设备有限公司 | A kind of built-in CT assembling structures |
| CN108231379A (en) * | 2017-12-18 | 2018-06-29 | 保定天威集团特变电气有限公司 | The insulation system of 35kV high-temperature-resisting transformers |
| CN111091951A (en) * | 2020-01-02 | 2020-05-01 | 广州市一变电气设备有限公司 | Transformer with iron yoke having circulating liquid cooling function |
| CN113130190A (en) * | 2021-03-18 | 2021-07-16 | 上海波亮电器制造有限公司 | Air-core reactor, manufacturing equipment and manufacturing method thereof |
| CN113066638A (en) * | 2021-04-26 | 2021-07-02 | 河北智恒电力科技有限公司 | Choke inductor suitable for submarine optical cable communication |
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Application publication date: 20130130 |