CN104733158A - High-overload power distribution transformer - Google Patents
High-overload power distribution transformer Download PDFInfo
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- CN104733158A CN104733158A CN201510155583.XA CN201510155583A CN104733158A CN 104733158 A CN104733158 A CN 104733158A CN 201510155583 A CN201510155583 A CN 201510155583A CN 104733158 A CN104733158 A CN 104733158A
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- distribution transformer
- housing
- iron core
- joint
- abutment face
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Abstract
The invention provides a high-overload power distribution transformer, and belongs to the technical field of transformers. The transformer solves the technical problem that an existing transformer can not adapt to many environments. The high-overload power distribution transformer comprises a shell, an iron core arranged in the shell and an oil tank communicated with the shell, the iron core is of a three-phase four-frame five-column structure and comprises four independent iron core frames in parallel, the iron core frames are of a fillet rectangular shape and are made of an amorphous alloy material, and a canopy is fixed to the upper end of the shell. The transformer has the advantages of being capable of saving energy, efficient, environmentally friendly, little in no-load current, low in reactive power loss, high in sudden short-circuit resistance capacity and suitable for different environments.
Description
Technical field
The invention belongs to field transformer, relate to a kind of high overload distribution transformer.
Background technology
Distribution transformer, is called for short " distribution transforming ".Distribution transformer, refers to the static electrical equipment of one for transmitting AC energy in distribution system according to law of electromagnetic induction conversion alternating voltage and electric current.China's power transformer product generally can be divided into ultra high voltage (750KV and more than), superhigh pressure (500KV) transformer, 220-110KV transformer, 35KV and following transformer by electric pressure.Distribution transformer typically refers to and operates in that electric pressure in power distribution network is 10-35KV, capacity is 6300KVA and following power transformer of powering directly to terminal use.
Along with deepening continuously of China's " saving energy and reduce the cost " policy, national encourage growth is energy-saving, low noise, intelligentized distribution transformer product.Do not met industry development trend at the part high loss distribution transformer of network operation, be faced with the demand of technology upgrading, update, following by progressively replace by the transformer of energy-conservation, material-saving, environmental protection, low noise.
The use of distribution transformer is also subject to environmental limit, such as temperature, height above sea level, humidity etc.The serviceability temperature of general oil-filled transformer is that ambient temperature is not higher than 40 DEG C, be not less than-25 DEG C, for low temperature environment, because transformer operationally can produce heat, therefore can adapt to low temp area preferably, but being not precluded within some areas there is extreme microthermal climate, and the cold oil in transformer can be made when there is extreme low temperature to freeze, low temperature can impact iron core and copper cash, causes the performance of distribution transformer to be affected; If merely in order to extreme microthermal climate improves high-power transformer, required input cost is high, uneconomical; Existing transformer adopts rain shade to break off relations this problem to prevent casing from being drenched corrosion by rainwater in addition, existing rain shade all adopts and the covering of the upper surface of casing is solved this problem within it, cause the sluggish in air circulation of when fair weather casing periphery, affect the radiating effect of fin on casing.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of high overload distribution transformer, the technical problem that the present invention solves is the performance of raising distribution transformer and can prevents rainwater from getting on distribution transformer, and unnecessary rainwater-collecting can also be got up.
Object of the present invention realizes by following technical proposal:
A kind of high overload distribution transformer, comprise housing, the fuel tank being arranged on iron core in housing and being communicated with housing, iron core adopts three-phase four frame pentastyle structure, comprise four independent iron core frames to form side by side, iron core frame is round rectangle, iron core frame adopts amorphous alloy material to make, each lateral surface of described housing is evenly provided with one group of groups of fins, often organize described groups of fins equidistantly evenly to be arranged by some fin and form, it is characterized in that, the upper end of described housing is fixed with rain shade, described rain shade comprises two pieces of rain visors be obliquely installed, guiding gutter and some fixed levers, formed upward and V-shaped opening between two pieces of described rain visors, housing covers by two pieces of described rain visors, guiding gutter is arranged between two pieces of rain visors, the upper end of fixed lever is fixed on the lower end of rain visor, the lower end of fixed lever is fixed on the upper surface of housing.
The rain shade of this structure can prevent rainwater from beating on housing, and the rain shade of this structure can not cause the air flow difficulties of casing peripheral when fair weather, air circulation is smooth and easy, makes fin can give play to best radiating effect, makes distribution transformer be operated in suitable environment.
In above-mentioned high overload distribution transformer, one end of described guiding gutter is blind end, and the other end of described guiding gutter is openend, and described blind end is higher than openend.
In above-mentioned high overload distribution transformer, the openend of described guiding gutter is connected with aqueduct, the aqueduct other end is connected with shunt valve, described shunt valve comprises supervisor and three and is positioned at and is responsible for the arm of sidepiece, the water inlet end of described supervisor is provided with annular mounting plate, the lateral wall of described annular mounting plate contacts with the madial wall of water inlet end, described annular mounting plate fixedly connected to the inner side in bowl-shape screen pack, pushing down annular mounting plate by tube connector makes annular mounting plate be connected in the water inlet end of supervisor, described each arm is provided with ball valve, the port of described arm all has annular abutment face, the port of each arm is equipped with joint, between described joint and a pipe port, there is the seal washer matched with annular abutment face, joint is made to be fixed on the port of arm by cutting ferrule, described joint press seal packing ring makes described seal washer be close to be combined on described abutment face, described supervisor is also provided with vent valve, ball valve is also connected with collection water pipe, collect water pipe to be connected with respective collecting box.By multiple collecting box, rainwater-collecting is got up, needed for frequently.
Supervisor is provided with screen pack, screen pack filters the fluid flowed through, impurity screening, makes impurity enter into supervisor, can not block vent valve, the pipe that is rotatably connected only is needed during cleaning, taking-up annular mounting plate, and screen pack is bowl-shape, namely can hold more impurity in screen pack, the cycle of cleaning can extend, and this kind of architectural feature is applicable to being responsible for situation about vertically arranging; Joint is positioned at cutting ferrule, seal washer is provided with between joint and a pipe port, by cutting ferrule action tabs make seal washer fit tightly pipe port madial wall annular abutment face on, namely sealing is formed between joint and arm, and the existence in annular abutment face expands sealing area, good sealing effect, prevent from, between arm and joint, fluid leakage occurs, structure is simple.
Described abutment face is obliquely installed, and described seal washer lateral wall is the contact-making surface of an inclination, and described contact-making surface and described abutment face match.When seal washer and arm form sealing, contact-making surface and abutment face extrude mutually, and form sealing, two sidewalls are inclined-plane, between two inclined-planes, contact area is large, during compression, contact fully, because seal washer adopts elastomeric material manufacture, when elastomeric material is extruded, deformation occurs, increase the contact area of contact-making surface and abutment face, contact-making surface is fitted on abutment face closely, is not easy to cause fluid leakage, good sealing effect.
The center of described joint has annular gear edge, and described seal washer is enclosed within described joint, and one end of described seal washer is resisted against described annular gear along upper, and the end of the other end and described joint flushes.The center of joint has the annular gear edge of protrusion, seal washer is socketed on joint, seal washer one end is resisted against the one end on annular gear edge, the other end of seal washer and the end of joint flush, namely on joint, cover has one end of seal washer not have unnecessary part to stretch out outside seal washer, there is material economy, the advantage that structure is attractive in appearance.
The port of described arm is external thread structure, and described cutting ferrule is female thread structure.Adopt between cutting ferrule with arm and be threaded.
Described joint has anti-slop serrations.Joint is used for joining two pipes together, and the firmness when existence of anti-slop serrations makes joint be connected with pipe is high, this kind of structure, and applicable connecting pipe is the flexible pipes such as leather hose.
In above-mentioned high overload distribution transformer, on described housing, also releasable connection has hot box, described hot box comprises casing and is fixed on the thermal insulation layer on box inside face and bottom surface, described casing will can often organize groups of fins cover within it, described groups of fins of often organizing all is fixed with guide pad near the outside of the fin at two ends, two medial surfaces of casing have the gathering sill matched with guide pad, and when casing covers in groups of fins, guide pad is connected in gathering sill.Hot box uses lower than during design of transformer temperature in ambient temperature, can fin be enclosed in casing, the heat preventing radiator from producing too much runs off, the heat that transformer is produced is stayed in housing, thus transformer normally can be worked in lower than the environment relating to temperature, cost is little, is applicable to emergency case.
In above-mentioned high overload distribution transformer, describedly heat insulationly inwardly also comprise some heat shields, the equidistant interval of described heat shield is arranged, and when casing covers in groups of fins, heat shield lays respectively between two panels heat shield.Heat shield can prevent fin from dispelling the heat further.
In above-mentioned high overload distribution transformer, described thermal insulation layer and heat shield adopt foamed material to make.
In above-mentioned high overload distribution transformer, described casing adopts plastic material to make.Plastics can not cause interference to the performance of transformer.
Compared with prior art, a kind of shunt valve with screen pack provided by the invention has the following advantages:
Compared with prior art, the advantage that this high overload distribution transformer has energy-conservation, efficient, environmental protection, no-load current is little, reactive loss is low, anti-sudden short circuit ability is strong, be applicable to varying environment; In addition, by shunt valve by rainwater-collecting in respective collecting box, using water wisely, especially western area short of rain; The madial wall of each pipe port of shunt valve has annular abutment face, each joint has seal washer, the mating shapes in contact-making surface and annular abutment face on seal washer, two contact of incline plane areas are large, tighten in cutting ferrule process, contact-making surface and annular abutment face extrude fully mutually, compress effective, when the seal washer of elastomeric material is extruded, extruding fully, thus make good sealing effect; Shunt valve supervisor arranges screen pack, and filter screen filtration falls into the impurity into supervisor, and make impurity enter into supervisor, impurity can not block vent valve, vent valve good exhaust effect.
Accompanying drawing explanation
Fig. 1 is the side-looking structural representation of this high overload distribution transformer.
Fig. 2 is the sectional structure schematic diagram of hot box.
Fig. 3 is the structural representation of shunt valve.
In figure, 1, housing; 11, fin; 12, guide pad; 2, rain shade; 21, rain visor; 211, opening; 22, guiding gutter; 23, fixed lever; 3, hot box; 31, casing; 32, thermal insulation layer; 33, heat shield; 1a, supervisor; 2a, arm; 3a, annular mounting plate; 4a, screen pack; 5a, tube connector; 6a, ball valve; 7a, annular abutment face; 8a, joint; 9a, seal washer; 10a, cutting ferrule; 11a, vent valve; 12a, contact-making surface; 13a, annular gear edge; 14a, anti-slop serrations.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
The present embodiment as depicted in figs. 1 and 2, the fuel tank that high overload distribution transformer comprises housing 1, be arranged on iron core in housing 1 and be communicated with housing 1, iron core adopts three-phase four frame pentastyle structure, comprise four independent iron core frames to form side by side, iron core frame is round rectangle, iron core frame adopts amorphous alloy material to make, and each lateral surface of housing 1 is evenly provided with one group of groups of fins, often organizes described groups of fins and is equidistantly evenly arranged by some fin 11 and form.
The upper end of housing 1 is fixed with rain shade 2, rain shade 2 comprises two pieces of rain visors be obliquely installed 21, guiding gutter 22 and some fixed levers 23, formed upward and V-shaped opening 211 between two pieces of described rain visors 21, housing 1 covers by two pieces of rain visors 21, guiding gutter 22 is arranged between two pieces of rain visors 21, the upper end of fixed lever 23 is fixed on the lower end of rain visor 21, and the lower end of fixed lever 23 is fixed on the upper surface of housing 1.One end of guiding gutter 22 is blind end, and the other end of guiding gutter 22 is opening 211 end, and blind end is higher than opening 211 end.Opening 211 end of guiding gutter 22 is connected with aqueduct.The aqueduct other end is connected with shunt valve,
As shown in Figure 3, shunt valve comprises the arm 2a that supervisor 1a and three is positioned at supervisor 1a sidepiece.
The water inlet end of supervisor 1a is provided with annular mounting plate 3a, the lateral wall of annular mounting plate 3a contacts with the madial wall of water inlet end, annular mounting plate 3a fixedly connected to the inner side in bowl-shape screen pack 4a, pushing down annular mounting plate 3a by tube connector 5a makes annular mounting plate 3a be connected in the water inlet end of supervisor 1a, and supervisor 1a is also provided with vent valve 11a.Each arm 2a is provided with ball valve 6a, the port of arm 2a all has annular abutment face 7a, the port of each arm 2a is equipped with joint 8a, the center of joint 8a has annular gear along 13a, seal washer 9a is enclosed within joint 8a, and one end of seal washer 9a is resisted against annular gear along on 13a, the end of the other end and joint 8a flushes, seal washer 9a lateral wall is the contact-making surface 12a of an inclination, annular abutment face 7a and contact-making surface 12a is all obliquely installed, the port of arm 2a is external thread structure, cutting ferrule 10a is female thread structure, joint 8a press seal packing ring 9a is made to make the contact-making surface 12a rain annular abutment face 7a of seal washer 9a think contact by screwing cutting ferrule 10a, to improve contact area, joint 8a has anti-slop serrations 14a, be used for connecting leather hose.
The rain shade 2 of this structure can prevent rainwater from beating on housing 1, and the rain shade 2 of this structure can not cause the air flow difficulties of housing 1 periphery when fair weather, air circulation is smooth and easy, makes fin 11 can give play to best radiating effect, makes distribution transformer be operated in suitable environment.Water is reasonably guided to ground by aqueduct.
On housing 1, also releasable connection has hot box 3, hot box 3 comprises casing 31 and is fixed on the thermal insulation layer 32 on casing 31 medial surface and bottom surface, casing 31 will can often organize groups of fins cover within it, often organize groups of fins and be all fixed with guide pad 12 near the outside of the fin 11 at two ends, two medial surfaces of casing 31 have the gathering sill matched with guide pad 12, when casing 31 covers in groups of fins, guide pad 12 is connected in gathering sill.Heat insulationly inwardly also comprise some heat shields 33, heat shield 33 equidistantly interval is arranged, and when casing 31 covers in groups of fins, heat shield 33 lays respectively between two panels heat shield 33.Thermal insulation layer 32 and heat shield 33 adopt foamed material to make.Casing 31 adopts plastic material to make.Hot box 3 uses lower than during design of transformer temperature in ambient temperature, can fin 11 be enclosed in casing 31, the heat preventing radiator from producing too much runs off, the heat that transformer is produced is stayed in housing 1, thus transformer normally can be worked in lower than the environment relating to temperature, cost is little, is applicable to emergency case.Heat shield 33 can prevent fin 11 from dispelling the heat further.Plastics can not cause interference to the performance of transformer.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (7)
1. a high overload distribution transformer, comprise housing, the fuel tank being arranged on iron core in housing and being communicated with housing, iron core adopts three-phase four frame pentastyle structure, comprise four independent iron core frames to form side by side, iron core frame is round rectangle, iron core frame adopts amorphous alloy material to make, each lateral surface of described housing is evenly provided with one group of groups of fins, often organize described groups of fins equidistantly evenly to be arranged by some fin and form, it is characterized in that, the upper end of described housing is fixed with rain shade, described rain shade comprises two pieces of rain visors be obliquely installed, guiding gutter and some fixed levers, formed upward and V-shaped opening between two pieces of described rain visors, housing covers by two pieces of described rain visors, guiding gutter is arranged between two pieces of rain visors, the upper end of fixed lever is fixed on the lower end of rain visor, the lower end of fixed lever is fixed on the upper surface of housing, one end of described guiding gutter is blind end, and the other end of described guiding gutter is openend, and described blind end is higher than openend, the openend of described guiding gutter is connected with aqueduct, the aqueduct other end is connected with shunt valve, described shunt valve comprises supervisor and three and is positioned at and is responsible for the arm of sidepiece, the water inlet end of described supervisor is provided with annular mounting plate, the lateral wall of described annular mounting plate contacts with the madial wall of water inlet end, described annular mounting plate fixedly connected to the inner side in bowl-shape screen pack, pushing down annular mounting plate by tube connector makes annular mounting plate be connected in the water inlet end of supervisor, described each arm is provided with ball valve, the port of described arm all has annular abutment face, the port of each arm is equipped with joint, between described joint and a pipe port, there is the seal washer matched with annular abutment face, joint is made to be fixed on the port of arm by cutting ferrule, described joint press seal packing ring makes described seal washer be close to be combined on described abutment face, described supervisor is also provided with vent valve, ball valve is also connected with collection water pipe, collect water pipe to be connected with respective collecting box.
2. high overload distribution transformer according to claim 1, it is characterized in that, on described housing, also releasable connection has hot box, described hot box comprises casing and is fixed on the thermal insulation layer on box inside face and bottom surface, described casing will can often organize groups of fins cover within it, described groups of fins of often organizing all is fixed with guide pad near the outside of the fin at two ends, two medial surfaces of casing have the gathering sill matched with guide pad, and when casing covers in groups of fins, guide pad is connected in gathering sill.
3. high overload distribution transformer according to claim 2, is characterized in that, describedly heat insulationly inwardly also comprises some heat shields, and the equidistant interval of described heat shield is arranged, and when casing covers in groups of fins, heat shield lays respectively between two panels heat shield.
4. high overload distribution transformer according to claim 1, is characterized in that, described abutment face is obliquely installed, and described seal washer lateral wall is the contact-making surface of an inclination, and described contact-making surface and described abutment face match; When seal washer and arm form sealing, contact-making surface and abutment face extrude mutually, and form sealing, two sidewalls are inclined-plane, between two inclined-planes, contact area is large, during compression, contact fully, because seal washer adopts elastomeric material manufacture, when elastomeric material is extruded, deformation occurs, increase the contact area of contact-making surface and abutment face, contact-making surface is fitted on abutment face closely, is not easy to cause fluid leakage, good sealing effect.
5. high overload distribution transformer according to claim 1, it is characterized in that, the center of described joint has annular gear edge, described seal washer is enclosed within described joint, and one end of described seal washer is resisted against described annular gear along upper, the end of the other end and described joint flushes.
6. high overload distribution transformer according to claim 1, is characterized in that, the port of described arm is external thread structure, and described cutting ferrule is female thread structure.
7. high overload distribution transformer according to claim 2, is characterized in that, described joint has anti-slop serrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155583.XA CN104733158B (en) | 2015-04-03 | 2015-04-03 | A kind of high overload distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155583.XA CN104733158B (en) | 2015-04-03 | 2015-04-03 | A kind of high overload distribution transformer |
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| Publication Number | Publication Date |
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| CN104733158A true CN104733158A (en) | 2015-06-24 |
| CN104733158B CN104733158B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510155583.XA Expired - Fee Related CN104733158B (en) | 2015-04-03 | 2015-04-03 | A kind of high overload distribution transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466628A (en) * | 2020-10-19 | 2021-03-09 | 李亚黎 | Anti-overheating transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10102549A (en) * | 1996-09-30 | 1998-04-21 | Kawai Musical Instr Mfg Co Ltd | Rain water utilizing device |
| CN1796670A (en) * | 2004-12-28 | 2006-07-05 | 王基贤 | Method and installation for collecting and using rain water on flat roof |
| CN200979833Y (en) * | 2006-12-07 | 2007-11-21 | 刘立忠 | A transformer with triangle iron core and amorphous |
| CN201708014U (en) * | 2010-05-19 | 2011-01-12 | 西安非晶中西变压器有限公司 | Aphanitic transformer |
| CN203384558U (en) * | 2013-06-24 | 2014-01-08 | 玉环优扬暖通设备厂 | Improved water distributor |
-
2015
- 2015-04-03 CN CN201510155583.XA patent/CN104733158B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10102549A (en) * | 1996-09-30 | 1998-04-21 | Kawai Musical Instr Mfg Co Ltd | Rain water utilizing device |
| CN1796670A (en) * | 2004-12-28 | 2006-07-05 | 王基贤 | Method and installation for collecting and using rain water on flat roof |
| CN200979833Y (en) * | 2006-12-07 | 2007-11-21 | 刘立忠 | A transformer with triangle iron core and amorphous |
| CN201708014U (en) * | 2010-05-19 | 2011-01-12 | 西安非晶中西变压器有限公司 | Aphanitic transformer |
| CN203384558U (en) * | 2013-06-24 | 2014-01-08 | 玉环优扬暖通设备厂 | Improved water distributor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466628A (en) * | 2020-10-19 | 2021-03-09 | 李亚黎 | Anti-overheating transformer |
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| Publication number | Publication date |
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| CN104733158B (en) | 2016-08-31 |
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Granted publication date: 20160831 Termination date: 20170403 |