CN203761190U - Conjunction box suitable for high-voltage-class traction motor and traction motor - Google Patents
Conjunction box suitable for high-voltage-class traction motor and traction motor Download PDFInfo
- Publication number
- CN203761190U CN203761190U CN201420139817.2U CN201420139817U CN203761190U CN 203761190 U CN203761190 U CN 203761190U CN 201420139817 U CN201420139817 U CN 201420139817U CN 203761190 U CN203761190 U CN 203761190U
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- box body
- electric machine
- box
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- out wire
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- 238000005266 casting Methods 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 230000005611 electricity Effects 0.000 claims description 34
- 239000003292 glue Substances 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000004382 potting Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 17
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 239000000565 sealant Substances 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses a conjunction box suitable for a high-voltage-class traction motor and the traction motor. The conjunction box includes a box body, and a conjunction box cover plate, a three-phase lead-out wire, a three-phase cable, and a potting adhesive which cover on the box body, the three-phase lead-out wire and the three-phase cable enter into the box body from the outside and are connected in the box body, and the potting adhesive is embedded in the box body. A three-phase lead-out wire outlet for the three-phase lead-out wire to pass through, a three-phase cable outlet for the three-phase cable to pass through, and a screwing member for screwing up the three-phase cable are arranged on the box body. A manufacturing method of the conjunction box includes the following steps of casting the box body, connecting the three-phase lead-out wire and the three-phase cable, bonding in an insulation manner, and performing potting sealing. The conjunction box is convenient for sealing and mass production, low in cost, and reliable in sealing and insulation, and can meet the requirements of the traction motor which runs in a high voltage class and in small space.
Description
Technical field
The utility model relates to motor device technical field, especially a kind of traction electric machine terminal box and traction electric machine that is applicable to voltage levels.
Background technology
In traction electric machine design, due to operating condition requirement, motor often operates in higher electric pressure, generally be suspended on the bottom of vehicle by bogie due to traction electric machine simultaneously, and car base space is limited, therefore traction electric machine design size is all less, i.e. the bulk of traction electric machine restriction is more, the therefore traction electric machine terminal box restriction of size of also usually having living space.
In the time that traction electric machine electric pressure is higher, the creepage distance at the exposed position that its three-phase lead-out wire is connected with three-phase electricity cable is also larger, if the restriction of terminal box bulk is more, its terminal box inner space often can not meet the requirement of creepage distance, therefore, need rationally carry out junction box structure design, make its requirement that can meet voltage levels, can meet again the reliable requirement of insulation.
Through retrieval, application number is that 201210102257.9 application for a patent for invention discloses a kind of photovoltaic module that adopts casting glue formula terminal box, comprise lamination part of solar cell, fluid sealant and terminal box, described terminal box is bonded in the back side of lamination part of solar cell by fluid sealant, in terminal box, embedding has casting glue.Application number is that 200810128684.8 invention relates to electrical terminal block and manufacture method thereof, and a kind of cheap electrical terminal block and manufacture method thereof that reduces manufacture process and the number of components is specifically provided.Electrical terminal block has the busbar being arranged on another parts that are different from plate and circuit element is onboard installed.The power supply lead wire being connected on power supply is arranged in a part of busbar.And, be connected electrically in power supply lead wire and be arranged on busbar with the semiconductor relay between the connector lead-in wire being connected from the wire of load.The busbar support section that is used for supporting the plate support section of described plate and is used for supporting busbar is arranged on housing.Busbar support section is located on another region that is different from plate support section.Application number is that 201110074383.3 invention has about a kind of terminal box and manufacture method thereof.Described terminal box comprises the terminal component of accepting power supply; Be arranged on the diode of this terminal component; With by the radiator of die casting and this diode close contact.Described terminal box can prevent fault and inefficacy and realize the size reduction of terminal box.Application number is that 201220239474.8 utility model relates to a kind of urban rail transit vehicles connection box for motor, comprise housing and end cap, described housing is fixedly connected with end cap is removable, described housing is provided with the through hole that cable penetrates hole and is used for wearing motor three-phase line bank, and its: the in-built junction block that is connected to of described housing, and junction block is provided with 3 binding posts arranged apart, each binding post is installed with respectively the conducting strip for being electrically connected with motor three-phase line bank, and the bottom of each binding post is all fixedly connected with junction block insulation by non-rotatable nut; In described housing, be also provided with the insulation board that is used for fixing motor three-phase line bank, described insulation board is by being fixedly connected with housing and being arranged in parallel with junction block.The invention that application number is 201010505274.8 provides a kind of Integral injection molded junction box and manufacture method thereof, described Integral injection molded junction box comprises: lid, box body, diode, conducting strip and cable, welding diode, on conducting strip, and is bundled together by the mode of plastic-injection with conducting strip; Cable is connected to the binding post place of conducting strip, and with the conducting strip being bundled together and diode again use the mode of plastic-injection and box body one-body molded, and be formed in box body.Diode and conducting strip are wrapped in box body inside by Integral injection molded junction box of the present invention, and diode and conducting strip and plastics close contact, can dispel the heat by plastics, promoted heat dispersion.In addition, cable is also wrapped in box body, in the time that system is installed, does not need connecting cable separately, has improved operating efficiency, has saved material usage.Above prior art, all can not solve in higher grade of electric moter voltage, simultaneously bulk hour, connection box for motor insecure problem that insulate.
Utility model content
Technical problem to be solved in the utility model is, a kind of traction electric machine terminal box and traction electric machine that is applicable to voltage levels is provided, its can solve electric moter voltage up to 4500V, simultaneously bulk hour, connection box for motor insecure problem that insulate.
The technical solution of the utility model is: described in be applicable to the traction electric machine terminal box of voltage levels, comprise box body and cover the junction box cover plate on box body, it is characterized in that, also comprise three-phase lead-out wire, three-phase electricity cable and casting glue, described three-phase lead-out wire all enters in box body and in box body and is connected with three-phase electricity cable from box body, and described casting glue is enclosed in box body inside.
Described box body is provided with the three-phase lead-out wire wire hole passing for three-phase lead-out wire, the three-phase electricity cable wire hole passing for three-phase electricity cable and for screwing the part that screws of three-phase electricity cable; Described three-phase lead-out wire wire hole matches with the trim ring of motor.
The connected mode of three-phase lead-out wire and three-phase electricity cable is welding, and its junction adopts insulation system, processes with insulating.
The described traction electric machine terminal box that is applicable to voltage levels adopts hermetically-sealed construction, the moulding of described box body one-step casting.
Described box body also comprises the footing that is positioned at box body bottom, and described footing is circular shape and matches with electric machine iron core, support, trim ring and end cap.
The utility model also provides a kind of traction electric machine that is applicable to voltage levels, described in be applicable to voltage levels traction electric machine be provided with the traction electric machine terminal box that is applicable to voltage levels described in any one in claim 1 to 5.
A manufacture method that is applicable to the traction electric machine terminal box of voltage levels, comprises the steps:
A, casting box body: by forging type, terminal box one-shot forming, described box body comprises the footing of box body bottom, three-phase lead-out wire wire hole and the three-phase electricity cable wire hole of box body side; When casting, the footing of box body bottom is matched with electric machine iron core and support arc surface, the three-phase lead-out wire wire hole of box body side matches with the trim ring of motor;
B, connection three-phase lead-out wire and three-phase electricity cable: three-phase lead-out wire and three-phase electricity cable enter in box body by three-phase lead-out wire wire hole and three-phase electricity cable wire hole respectively, adopt welding manner to be fixedly connected with three-phase lead-out wire and three-phase electricity cable in box body inside;
C, insulating wrapping: when insulating wrapping is carried out in the junction of three-phase lead-out wire and three-phase electricity cable, first use silicon rubber clay by smooth to the gap of the junction of three-phase lead-out wire and three-phase electricity cable and corner angle filling, make insulating wrapping not produce air gap; Secondly even brushing one deck silicon lacquer on the joint of three-phase lead-out wire and three-phase electricity cable, at two ends wrapping place brush silica gel; Again wrap up with silicon rubber glass adhesive tape; Finally wrap up with TGP adhesive tape;
D, sealant pouring and sealing:
A) poly-fragrant felt jam-pack is used in the space of three-phase lead-out wire wire hole first, then is sealed, solidified by stator dipping;
B) the inner organic silicon potting adhesive that adopts of box body seals and the reinforcement of insulating, first adopt silane coupler to brush inboard wall of cartridge surface, after completing, brushing carries out embedding in 60～90 minutes, casting glue A, B component are mixed according to mass ratio 2:1, and in mixed process, carry out Fruit storage, control embedding speed, eliminate bubble, glue rifle is stretched into box body inner bottom part, adopt the method encapsulating that overflows, make to leave between the colloid of embedding and junction box cover plate the gap of 5mm; After encapsulating completes, the baker that box body is placed in to 80 DEG C cures 2 hours;
E, manufacture junction box cover plate, rubber blanket and screw part and be assembled on box body, complete the manufacture of the traction electric machine terminal box that is applicable to voltage levels.
In the manufacture method of the above-mentioned traction electric machine terminal box that is applicable to voltage levels, described traction electric machine terminal box and electric machine stand are the anglec of rotation when fixing, this anglec of rotation can ensure that the outlet of three-phase electricity cable conveniently and between axle suspension bearing box has certain space, can expand to greatest extent again terminal box size, improve electric clearance.
Adopt above-mentioned insulating wrapping processing method by smooth to the gap of junction and corner angle filling, to make not produce air gap between insulating barrier, can be combined closely with casting glue again, make terminal box inside in aggregates, ensure operational reliability simultaneously; Adopt above-mentioned encapsulating method, can ensure that terminal box embedding is complete, can not produce again bubble, make casting glue insulation reliable, convenient operation simultaneously.
The utility model relates to a kind of traction electric machine terminal box that is applicable to voltage levels, especially the terminal box of cast structure, be convenient to sealing, batch production, can solve the traction electric machine terminal box difficult design of voltage levels, easily occur the insecure technical problem of operation.The utility model dependable performance, cost is low, and terminal box sealing is reliable and insulation is reliable, can meet traction electric machine and operate in voltage levels and the less condition demand of bulk.Because electric pressure is higher, the inner casting glue that uses of terminal box carries out Overall View embedding, and this casting glue can make up bulk and retrain the inadequate defect of electric insulation distance of bringing, and can meet again long-time running keeps stable insulation requirement in hot conditions; For the encapsulating method of this casting glue, requirement can be evenly filled box body, and ensures in embedding process, without Bubble formation, to ensure insulating reliability.
Be subject to the restriction of outlet method, terminal box need coordinate with the multiple parts of electric machine iron core, support, trim ring and end cap, and terminal box need be designed to irregularly shaped, therefore adopts casting junction box structure, the irregular place one-shot forming of this terminal box, has avoided being not easy the problem of sealing; For avoiding loosening between three-phase lead-out wire and three-phase electricity cable in motor operation course, prevent three-phase lead-out wire and the loose contact of three-phase electricity cable, the even problem such as connecting portion localized burn in motor operation course, the inner three-phase lead-out wire of terminal box and three-phase electricity cable employing welding connecting mode; After three-phase lead-out wire and threephase cable wire bonding complete, carry out insulation processing, the inner last embedding full irrigation sealing of terminal box, these casting glue insulation property are good, can avoid puncturing of air between motor when operation three-phase lead-out wire and three-phase electricity cable, this casting glue heat resistance is stable simultaneously, the requirement of hot operation can meet motor length time.
Brief description of the drawings
The structural representation of the traction electric machine terminal box that Fig. 1 provides for the utility model embodiment.
In figure: 1. box body, 2. three-phase lead-out wire, 3. junction box cover plate, 4. casting glue, 5. three-phase electricity cable, 6. screws part.
Embodiment
As shown in Figure 1, the described traction electric machine terminal box that is applicable to voltage levels, comprise box body 1 and cover junction box cover plate 3, three-phase lead-out wire 2, three-phase electricity cable 5 and the casting glue 4 on box body, described three-phase lead-out wire all enters in box body and in box body and is connected with three-phase electricity cable from box body, and described casting glue is potted in box body inside.Box body is provided with the three-phase lead-out wire wire hole that is positioned at the footing of box body bottom, pass for three-phase lead-out wire, the three-phase electricity cable wire hole passing for three-phase electricity cable and screws part 6 for what screw three-phase electricity cable.
The inner on line of connection box for motor adopts Welding Structure, carries out insulation processing after having welded, then carries out the embedding of terminal box entirety, to solve terminal box sealing reliably and the reliable problem of insulation.
The utility model is reliable, safety.By casting integratedization mode, on traction motor, form described box body, the footing of this terminal box bottom matches with electric machine iron core and support, footing is circular shape, the three-phase lead-out wire wire hole of side matches with trim ring and the end cap of motor, terminal box and motor are an anglec of rotation when fixing, this anglec of rotation can ensure that the outlet of three-phase electricity cable is convenient, and between axle suspension bearing box, there is certain space, can expand to greatest extent again terminal box size, simultaneously owing to being subject to bulk restriction, scabble at terminal box top, to meet the bulk requirement of traction electric machine on bogie.
After terminal box and electric machine stand fixedly complete, three-phase lead-out wire enters terminal box by three-phase lead-out wire wire hole, first three-phase lead-out wire and three-phase electricity cable are welded, the two is fixedly secured together, again insulation processing is carried out in the two surface, this insulating treatment method is: first use silicon rubber clay by smooth to the gap of junction and corner angle filling, make insulating wrapping not produce air gap; Secondly even brushing one deck silicon lacquer on three-phase lead-out wire and threephase cable wire terminal metal, at two ends wrapping place brush silica gel; Again wrap up with silicon rubber glass adhesive tape; Finally wrap up with TGP adhesive tape.
After terminal box built-in electrical insulation is finished dealing with, need butted line box to seal: the space at three-phase lead-out wire wire hole place adopts poly-fragrant felt jam-pack, seals by stator dipping; The inner organic silicon potting adhesive that adopts of terminal box seals, first adopt silane coupler to brush terminal box inner wall surface, after completing, brushing carries out embedding during 60～90 minutes, casting glue A, B component are mixed according to mass ratio 2:1, and in mixed process, carry out Fruit storage, control embedding speed, eliminate bubble, glue rifle stretches into terminal box bottom, the employing method encapsulating that overflows, after encapsulating completes, the baker that terminal box is placed in to 80 DEG C cures 2 hours, embedding colloid and junction box cover plate leave the about 5mm in suitable gap, as a manage-style expansion space.
After the utility model is implemented, in motor operation course, can not make it that problems such as defective insulation, discharge breakdown occur, also avoided terminal box make moist, stained, this casting glue radiating effect is better than air simultaneously, is beneficial to the work of terminal box, has improved terminal box operational reliability.
The utility model is that a kind of bulk restriction is strict, electric pressure is higher, the terminal box of the safe wiring of need, is applied to field of motor manufacturing.This terminal box is dwindled greatly than the connection box for motor size of equal electric pressure, and has done after embedding processing inside simultaneously, has improved dielectric strength, higher than the insulating reliability of general terminal box, can ensure traction electric machine safe and reliable operation.When electric pressure is higher and terminal box bulk has in limited time, this casting glue can make up the defect that electrical distance is inadequate, makes terminal box can meet electric insulation reliability, terminal box heating while operation due to motor simultaneously, long-term this operates at this temperature, this casting glue stable insulation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within being all included in protection range of the present utility model.
Claims (6)
1. one kind is applicable to the traction electric machine terminal box of voltage levels, comprise box body and cover the junction box cover plate on box body, it is characterized in that, also comprise three-phase lead-out wire, three-phase electricity cable and casting glue, described three-phase lead-out wire all enters in box body and in box body and is connected with three-phase electricity cable from box body, and described casting glue is enclosed in box body inside.
2. the traction electric machine terminal box that is applicable to voltage levels according to claim 1, it is characterized in that, described box body is provided with the three-phase lead-out wire wire hole passing for three-phase lead-out wire, the three-phase electricity cable wire hole passing for three-phase electricity cable and for screwing the part that screws of three-phase electricity cable; Described three-phase lead-out wire wire hole matches with the trim ring of motor.
3. the traction electric machine terminal box that is applicable to voltage levels according to claim 1, is characterized in that, the connected mode of three-phase lead-out wire and three-phase electricity cable is welding, and its junction adopts insulation system.
4. the traction electric machine terminal box that is applicable to voltage levels according to claim 1, is characterized in that, described in be applicable to voltage levels traction electric machine terminal box adopt hermetically-sealed construction, the moulding of described box body one-step casting.
5. the traction electric machine terminal box that is applicable to voltage levels according to claim 1, is characterized in that, described box body also comprises the footing that is positioned at box body bottom, and described footing is circular shape and matches with electric machine iron core, support, trim ring and end cap.
6. a traction electric machine that is applicable to voltage levels, is characterized in that, described in be applicable to voltage levels traction electric machine be provided with the traction electric machine terminal box that is applicable to voltage levels described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139817.2U CN203761190U (en) | 2014-03-26 | 2014-03-26 | Conjunction box suitable for high-voltage-class traction motor and traction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139817.2U CN203761190U (en) | 2014-03-26 | 2014-03-26 | Conjunction box suitable for high-voltage-class traction motor and traction motor |
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| Publication Number | Publication Date |
|---|---|
| CN203761190U true CN203761190U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139817.2U Expired - Fee Related CN203761190U (en) | 2014-03-26 | 2014-03-26 | Conjunction box suitable for high-voltage-class traction motor and traction motor |
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| Country | Link |
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| CN (1) | CN203761190U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855849A (en) * | 2014-03-26 | 2014-06-11 | 南车株洲电机有限公司 | Traction motor junction box suitable for high voltage class and manufacture method of traction motor junction box |
| CN107888015A (en) * | 2016-09-30 | 2018-04-06 | 中车株洲电力机车研究所有限公司 | A kind of motor wire outlet structure and method |
| CN110299808A (en) * | 2018-03-21 | 2019-10-01 | 中车株洲电力机车研究所有限公司 | A kind of motor stator insulated processing method of mesohigh |
-
2014
- 2014-03-26 CN CN201420139817.2U patent/CN203761190U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855849A (en) * | 2014-03-26 | 2014-06-11 | 南车株洲电机有限公司 | Traction motor junction box suitable for high voltage class and manufacture method of traction motor junction box |
| CN103855849B (en) * | 2014-03-26 | 2016-06-01 | 南车株洲电机有限公司 | A kind of traction electric machine terminal box and manufacture method thereof being applicable to voltage levels |
| CN107888015A (en) * | 2016-09-30 | 2018-04-06 | 中车株洲电力机车研究所有限公司 | A kind of motor wire outlet structure and method |
| CN107888015B (en) * | 2016-09-30 | 2020-02-04 | 中车株洲电力机车研究所有限公司 | Motor wire outlet structure and method |
| CN110299808A (en) * | 2018-03-21 | 2019-10-01 | 中车株洲电力机车研究所有限公司 | A kind of motor stator insulated processing method of mesohigh |
| CN110299808B (en) * | 2018-03-21 | 2021-07-02 | 中车株洲电力机车研究所有限公司 | Medium-high voltage motor stator insulation treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |