CN204229979U - Traction transformer cooling unit - Google Patents
Traction transformer cooling unit Download PDFInfo
- Publication number
- CN204229979U CN204229979U CN201420557538.8U CN201420557538U CN204229979U CN 204229979 U CN204229979 U CN 204229979U CN 201420557538 U CN201420557538 U CN 201420557538U CN 204229979 U CN204229979 U CN 204229979U
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- base plate
- filter
- cooling unit
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Abstract
The utility model discloses a kind of motor train unit traction transformer cooling unit, pass through Optimal Matching, ensure that cooling air system blower fan is operated in efficacious workaround, thus the optimization matching realized between exchange capability of heat, auxiliary power consumption, noise, be applicable to speed per hour 300 ~ 350 kilometer motor vehicle group, be under the condition of 380V 50Hz or 440V 60Hz at three-phase alternating current, the requirement of heat dispersion can be met, do not increase again the weight of cooling unit; Adopt safety measure can reinforced structure intensity, prevent base plate from coming off simultaneously; Adopt comprehensive Noise Reduction measure can reduce cooling unit noise.
Description
Technical field
The utility model relates to motor train unit cooling system technical field.
Background technology
There is following shortcoming in current China traction transformer of electric motor unit cooling unit:
(1) the FSA filter of cooling unit filter employing is higher with air drag under flow, and filter effect is not good enough.That is need to consume higher auxiliary power under same heat-sinking capability, namely energy consumption is high.In addition, in season in spring and autumn, catkin, leaf often block air cleaner inlet channel, need frequent clean filter, and existing cooling unit filter dismounting difficulty, brings very big inconvenience to user.
(2) cooling unit protection base plate is directly as equipment ceiling board under motor train unit car, and protection base plate assembles with air channel, vertical load-bearing column adopts conventional bolt to be connected between assembling.Once cause after on protection base plate, construction bolt all comes off because of cause specifics such as abnormal vibrations, protection base plate comes off injection, causes serious threat to the safe operation of train.
(3) cooling unit fan box and current collector mounting panel part cracking, reduce cooling unit reliability, cause potential safety hazard.
Utility model content
The technical problem that the utility model solves is to provide the traction transformer cooling unit that a kind of heat-sinking capability is higher, auxiliary power consumption is lower, structure is more reliable and secure.
The technical solution adopted in the utility model is a kind of traction transformer cooling unit, comprise protection base plate assembling, vertical load-bearing column assembling, top load-bearing installation frame assembling, filter assembling, radiator assembling, fan air channel assembling, blower fan assembling join, electric connector or terminal box assembling, radiator import and export butterfly valve;
Described top load-bearing installation frame assembling arranges the long girder of root, dividing and is located at upper lateral part before and after cooling unit, arranging installing hole, for installing whole cooling unit in the left and right end portions of the long girder of root; Top load-bearing installation frame fit on is fixed with filter assembling, radiator assembling, fan air channel assembling successively; Blower fan is assembled to join and is arranged on fan air channel fit on by securing member.
Described cooling unit top load-bearing installation frame and vertical load-bearing column are linked together by securing member, by design, suitably can adjust the size of each installing hole on vertical load-bearing column within the specific limits.After base plate and vertical load-bearing column are installed, eliminate prestressing force, ensure the bulk strength of each parts of cooling unit.
Described protection base plate assembling is disposed with noseplate, radiator baseplane plate, blower fan base plate, rear base plate, limit base plate in same plane from front to back; The assembling of protection base plate directly as the base plate of equipment compartment under car, can be sealed by low temperature resistant sealing joint strip between each plate, realizes the insulating power of equipment compartment under psychro-environment condition under car.As required, base plate can be merged or split.
The assembling of described vertical load-bearing column arranges one group and draws or bending fabricated structural shape, and is assembled with top load-bearing installation frame respectively by securing member, protects base plate assembly connection and fix; Respectively install 1 supporting plate with 2 column bottoms fixing on front side of noseplate, 1 supporting plate is respectively installed in 2 the column bottoms fixing with rear floor rear; Be connected and fixed by oblique pull plate securing member between limit base plate and column;
Described filter assembling adopts two-stage triple filter, comprises grade one filter and secondary filter.Grade one filter comprises steel wire and fibrous filter net, and wherein fibrous filter net is combined with the steel wire of band frame by the adhesive tape of locking function, and be inserted in bottom grade one filter and clamp in the slot of particular design, this slot is fixed on bottom secondary filter; Grade one filter top is fixed with secondary filter by quick locking lock; Grade one filter is arranged dismounting handle; Secondary filter filters core by frame, mounting panel and labyrinth type and is fixed together through riveted joint, welding manner.The twofold filter of grade one filter mainly realizes filter dirt function, and secondary filter is held concurrently and filtered dirt and water filtering function.
The assembling of described radiator comprises that turnover oil process in cooling core body, the grease chamber at core body two ends, grease chamber is blue, lifting seat, radiator is fixed on the assembling of described top load-bearing installation frame by lifting seat, wherein cooling core body superposed in order by heat-sink unit after by being welded together, form air flow channel and oily runner; This heat-sink unit is made up of air side strip of paper used for sealing, air side radiating fin, dividing plate, oily side sealing strip, oily side radiating fin.
Described protection base plate assembles and described vertical load-bearing column assembles, fan air channel is provided with dual disconnecting prevention structure between assembling.A kind of slip-off preventing scheme is: between described noseplate and column, between limit base plate and oblique pull plate, the bolt adopting tail end with holes between rear base plate and column is connected and fixed, and in bolt uropore, slip-off preventing followed closely by latch again; Arrange L-type anticreep plate between blower fan base plate and fan air channel assemble, anticreep plate is fixed on bottom fan air channel assembling riser.Another kind of slip-off preventing scheme is: between described noseplate and column, between limit base plate and oblique pull plate, between rear base plate and column, blower fan base plate and fan air channel adopt head eye bolt to fix between assembling, two two or more bolt head steel wires are connected and fixed, and arrange anticreep fastening lock respectively between above-mentioned parts simultaneously.Anticreep fastening lock shape and position can adjust as required.
Cooling unit protection base plate adopts dual anti-drop structure, and can prevent because the cause specifics such as abnormal vibrations cause bolt falling on protection base plate, anticreep plate or protection fastening lock will prevent cooling unit base plate to come off injection, effectively ensure that the safe operation of train.
Described cooling unit adopts novel labyrinth filtration core to coordinate with grade one filter, reduces air drag, thus reduce auxiliary power consumption while raising filter filter dirt, Drainage efficiency.Compared with traditional FSA filter, under identical air velocities, the air drag lower than FSA filter by about 30 ~ 40% (during flow velocity 6m/s condition) of filter assembling 4; The cooling unit that adapted is identical, under the condition that namely system air resistance is identical, cooling unit cooling air delivery can improve about 11%, drastically increases cooling unit heat-sinking capability.
In addition, due to slot+90 spend rotate Quick fastening lock with the use of, enable filter realize 5min quick-replaceable, fibrous filter net can clean use repeatedly, the operation and maintenance greatly facilitated, improves maintenance work efficiency, also reduces the maintenance cost of user.
The assembling of described radiator comprises that turnover oil process in cooling core body, the grease chamber at core body two ends, grease chamber is blue, lifting seat, radiator is fixed on the assembling of described top load-bearing installation frame by lifting seat, wherein cooling core body superposed with rule in certain sequence by multiple heat-sink unit after by being welded together, form air flow channel and oily runner; This heat-sink unit is made up of air side strip of paper used for sealing, air side radiating fin, dividing plate, oily side sealing strip, oily side radiating fin.
Blower fan assembling joins employing without volute casing centrifugal blower fan, comprise motor, motor mounting plate, centrifugal impeller and current collector, blower fan group is connected with fan box by motor mounting plate, current collector is connected with fan box bolt, fan box inside is provided with polylith and strengthens gusset, strengthens gusset and is positioned at fan box bending part; Annular stiffener is provided with between current collector and casing.The enhanced type fan air channel assembling of this particular design, solves the inertial mass problem of cooling unit fan box and the current collector mounting panel part cracking always perplexing utilization department, eliminates motor train unit potential safety hazard.
Centrifugal impeller adopts circular arc swept-back draught fan impeller, and flow is large, moderate pressure, noise are low, efficient region is wide; Make an uproar because the fan box inwall of, fan air channel assembling is provided with noise reduction layer to reduce blower fan when motor train unit is run, noise reduction layer is fixed on fan box inwall by Multi-hole steel expanded metals or Multi-hole steel silk screen.Absorb the noise that blower fan produces, reach noise reduction object.Under the condition that heat-sinking capability is identical, fan noise can reduce by 2 ~ 3 decibels.
The utility model carries out simulation analysis to traction transformer cooling unit flow of cooling air characteristic, determines the drag characteristic of air cleaner, radiator, fan air channel, proposes the property requirements of flow of cooling air power source-blower fan.By matching technique, ensure that cooling air system blower fan is operated in efficacious workaround, thus realize the optimization matching between exchange capability of heat, auxiliary power consumption, noise.
The beneficial effects of the utility model are, by air cleaner, radiator, blower fan, realize traction transformer cooling system Optimized Matching and integrated, while meeting the heat transfer requirements of cooling system, meet weight, noise, auxiliary power consumption, reliability requirements.Even if blower fan accessory power supply changes 380V 50Hz three-phase alternating current into by 440V 60Hz three-phase alternating current, when blower motor rotating speed is reduced to 2900r/min (at a high speed) by original 3500r/min (at a high speed), still meet the heat transfer requirements of cooling system for converter; While raising filter filter dirt, Drainage efficiency, reduce air drag, thus reduce auxiliary power consumption; Adopt safety measure to prevent cooling unit base plate from coming off and fan box cracking, improve reliability and fail safe; Cooling unit noise is reduced by comprehensive Noise Reduction measure.
Accompanying drawing explanation
Fig. 1 is cooling unit structure of the present utility model.
Fig. 2 is protection base plate assembling 1 (joining L shape anticreep plate scheme) structure of cooling unit of the present utility model.
Fig. 3 is vertical load-bearing column assembling 2 (joining L shape anticreep plate scheme) structure of cooling unit of the present utility model.
Fig. 4 is protection base plate assembling 1 (joining anticreep lock side case) structure of cooling unit of the present utility model.
Fig. 5 is the L shape anticreep plate scenario-frame of cooling unit base plate of the present utility model assembling 1.
Fig. 6 is the anticreep fastening lock slip-off preventing scenario-frame of cooling unit base plate of the present utility model assembling 1.
Fig. 7 is that the filter of cooling unit of the present utility model assembles 4 structures.
Fig. 8 a is the labyrinth type profile structure that the filter of cooling unit of the present utility model assembles 4 secondary filters.
Fig. 8 b is another enforcement illustration that the filter of cooling unit of the present utility model assembles the labyrinth type profile structure of 4 secondary filters.
Fig. 9 is 1 radiating unit structure of the radiator assembling 5 of cooling unit of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
In order to realize the safe operation of speed per hour 350 kilometer motor vehicle group, according to speed per hour 350 kilometers of Chinese Industrial Standards (CIS) motor train unit traction transformer technical specifications, and for the most common failure that existing motor train unit traction transformer cooling unit occurs, innovative design has been carried out to traction transformer cooling unit.
A kind of traction transformer cooling unit (as shown in Figure 1), comprise protection base plate assembling 1, vertical load-bearing column assembling 2, top load-bearing installation frame assembling 3, filter assembling 4, radiator assembling 5, fan air channel assembling 6, blower fan assembling join 7, electric connector or terminal box assembling 8, radiator import and export the parts such as butterfly valve 9:
Described top load-bearing installation frame assembling 3 arranges 2 long girders, dividing and is located at upper lateral part before and after cooling unit, arranging installing hole, for installing whole cooling unit in the left and right end portions of 2 long girders.Top load-bearing installation frame assembling 3 is fixed with successively filter assembling 4, radiator assembling 5, fan air channel assembling 6; Blower fan assembling is joined 7 and is arranged in fan air channel assembling 6 by securing member.
Described protection base plate 1 (as shown in Figure 2, Figure 3, Figure 4) of assembling arranges noseplate 101, radiator baseplane plate 102, blower fan base plate 103, rear base plate 104, limit base plate 105,5 pieces of base plate baseplanes substantially in same plane respectively by tandem.
Described vertical load-bearing column assembling 2 (as Fig. 3) arrange multiple drawing or bending fabricated structural shape altogether, assemble 3 respectively, protect base plate and assemble 2 (except blower fan base plates) and be connected and fixed by securing member with top load-bearing installation frame.With 2 columns 201 and 202 bottom fixing on front side of noseplate 101,1 supporting plate 210 is respectively installed, with 2 columns 204 and 206 bottom fixing on rear side of rear base plate 104,1 supporting plate 205 is respectively installed.Be connected and fixed with securing member by oblique pull plate 207,209 between limit base plate 105 and column 201,206.
Described protection base plate assembling 1 and described vertical load-bearing column assemble 2, fan air channel is provided with dual disconnecting prevention structure (as shown in Figure 2, Figure 3, Figure 4) between assembling 6.A kind of slip-off preventing scheme is: between described noseplate 101 and column 201, column 202, between limit base plate 105 and oblique pull plate 207,208, the bolt adopting tail end with holes between rear base plate 104 and column 204,206 is connected and fixed, and in bolt uropore, slip-off preventing followed closely by latch again; Blower fan base plate 103 and fan air channel arrange L-type anticreep plate 106 between assembling 6, and anticreep plate 106 is fixed on fan air channel and assembles bottom 6 risers.Another kind of slip-off preventing scheme is: between described noseplate 101 and column 201, column 202, between limit base plate 105 and oblique pull plate 207,208, between rear base plate 104 and column 204,206, blower fan base plate 103 and fan air channel adopt head eye bolt to fix between assembling 6, two two or more bolt head steel wires are connected and fixed, and arrange anticreep fastening lock 211 respectively between above-mentioned parts simultaneously.
As shown in Figure 5, the noseplate of cooling unit, rear base plate, limit base plate, be connected with bearing column or oblique pull plate by afterbody eye bolt the L-type anticreep plate scheme of described cooling unit base plate, and in bolt tail hole, latch nail is locked again, can avoid bolt falling.
The blower fan base plate disconnecting prevention structure of described cooling unit: the fan box that blower fan base plate is assembled in 6 by bolt and fan air channel is connected.Bolt falling is there is when driving for preventing blower fan base plate, fixed L shape supporting plate bottom the vertical plates on both sides of fan box, L shape supporting plate side and fan box are fixed, opposite side is positioned at below blower fan base plate, leaves the space of dismounting at blower fan group motor side, and the structure of L-type supporting plate can ensure, even if bolt failure, blower fan base plate also can not directly drop, and avoids security incident, ensures traffic safety.
As shown in Figure 6, anticreep fastening lock 211 is made up of steel bolt, main part, locking nut, clamping screw, sealing gasket the anticreep fastening lock scheme of described cooling unit base plate.Anticreep fastening lock, when being subject to vibrating, still has good auto-lock function.
The mount scheme of described anticreep fastening lock is, base plate has the square opening of band circular arc, prevents anticreep fastening lock 211 from rotating, locking nut is with locking functions, be fixed on base plate by anticreep fastening lock 211, below is with sealing gasket simultaneously, prevents rainwater dirt penetration.When anticreep fastening lock 211 is fixed on after on base plate, use polygonal key to promote steel bolt to move up a bit of distance, 90-degree rotation, then the effect owing to locking inner spring is moved downward to design height, now, can ensure that steel bolt is in mounting groove completely, mounting groove is riveted on bottom the riser of cooling unit bearing column or fan air channel assembling, this structure locks base plate in the vertical direction, and anticreep fastening lock can also be prevented along motor train unit transverse direction, longitudinal leap.When bolt normally works, anticreep fastening lock does not stress, and when bolt falling, this structure can prevent base plate from coming off, and plays good anticreep effect.
Anticreep fastening lock whole cooling unit distribution as shown in Figure 2.Wherein noseplate uses 2 anticreep fastening locks to fix, and blower fan base plate uses 4 anticreep fastening locks to fix, and limit base plate uses 2 anticreep fastening locks to fix, and rear base plate uses 4 anticreep fastening locks to fix.
The utility model disconnecting prevention structure can form the structures such as other lock, plate, post after deformation design.
Described filter assembling 4 (as shown in Figure 7, Figure 8) adopts two-stage triple filter, comprises grade one filter 401 and secondary filter 403.Grade one filter 401 comprises steel wire and fibrous filter net, wherein fibrous filter net is combined with the steel wire of band frame by the adhesive tape of locking function, be inserted in bottom grade one filter and clamp in the slot 405 of particular design, this slot is fixed on bottom secondary filter 403; Grade one filter 401 top is fixed by quick locking lock 402 and secondary filter 403; Grade one filter is arranged dismounting handle 406.Secondary filter 403 filters core by frame, mounting panel and labyrinth type and is fixed together through riveted joint, welding manner.
Described radiator assembling 5 comprises that turnover oil process in cooling core body, the grease chamber at core body two ends, grease chamber is blue, lifting seat, radiator is fixed on described top load-bearing installation frame assembling 3 by lifting seat, wherein cooling core body superposed with rule in certain sequence by multiple heat-sink unit (as shown in Figure 9) after by being welded together, form air flow channel and oily runner; This heat-sink unit is made up of air side strip of paper used for sealing 501, air side radiating fin 502, dividing plate 503, oily side sealing strip 504, oily side radiating fin 505.
Described cooling unit number of components and position can adjust as required.
Claims (3)
1. traction transformer cooling unit, comprise protection base plate and assemble (1), vertical load-bearing column assembling (2), top load-bearing installation frame assembling (3), filter assembles (4), radiator assembling (5), fan air channel assembles (6), (7), electric connector or terminal box assembling (8), radiator import and export butterfly valve (9) are joined in blower fan assembling;
Described top load-bearing installation frame assembling (3) arranges 2 long girders, dividing and is located at upper lateral part before and after cooling unit, arranging installing hole, for installing whole cooling unit in the left and right end portions of 2 long girders; Top load-bearing installation frame assembling (3) is fixed with successively filter assembling (4), radiator assembling (5), fan air channel assembling (6); Blower fan assembling is joined (7) and is arranged on fan air channel assembling (6) by securing member;
Described protection base plate assembling (1) is disposed with noseplate (101) in same plane, radiator baseplane plate (102), blower fan base plate (103), rear base plate (104), limit base plate (105) from front to back;
Described vertical load-bearing column assembling (2) arranges one group and draws or bending fabricated structural shape, and assembles (3) with top load-bearing installation frame respectively by securing member, protects base plate and assemble (2) and be connected and fixed; 1 supporting plate (210) is respectively installed in 2 columns (201, the 202) bottom fixing with noseplate (101) front side, and 1 supporting plate (205) is respectively installed in 2 columns (204, the 206) bottom fixing with rear base plate (104) rear side; Be connected and fixed with securing member by oblique pull plate (207,209) between limit base plate (105) and column (201,206);
Described filter assembling (4) adopts two-stage triple filter, comprise grade one filter (401) and secondary filter (403), grade one filter (401) comprises steel wire and fibrous filter net, wherein fibrous filter net is combined with the steel wire of band frame by the adhesive tape of locking function, grade one filter (401) bottom is inserted in and clamps in the slot (405) of particular design, and this slot is fixed on secondary filter (403) bottom; Grade one filter (401) top is fixed by quick locking lock (402) and secondary filter (403); Grade one filter (401) is arranged dismounting handle (406); Secondary filter (403) filters core by frame, mounting panel and labyrinth type and is fixed together through riveted joint, welding manner;
Described radiator assembling (5) comprises that turnover oil process in cooling core body, the grease chamber at core body two ends, grease chamber is blue, lifting seat, radiator is fixed on described top load-bearing installation frame assembling (3) by lifting seat, wherein cooling core body superposed in order by heat-sink unit after by being welded together, form air flow channel and oily runner; This heat-sink unit is made up of air side strip of paper used for sealing (501), air side radiating fin (502), dividing plate (503), oily side sealing strip (504), oily side radiating fin (505).
2. traction transformer cooling unit as claimed in claim 1, is characterized in that: described protection base plate assembles (1) and described vertical load-bearing column assembles (2), fan air channel assembles between (6) and is provided with dual disconnecting prevention structure; First heavy anti-drop structure is: between described noseplate (101) and column (201,202), between limit base plate (105) and oblique pull plate (207,208), between rear base plate (104) and column (204,206), blower fan base plate (103) and fan air channel all adopt head bolt with holes to fix between assembling between (6), again with the hole of steel wire through adjacent bolt head, bolt is interfixed; Second heavy anti-drop structure arranges anticreep fastening lock (211) respectively, noseplate (101), between limit base plate (105) and column, blower fan base plate (103) and fan air channel assemble between (6) and all arrange anticreep fastening lock (211).
3. traction transformer cooling unit as claimed in claim 1, is characterized in that: described protection base plate assembles (1) and described vertical load-bearing column assembles (2), fan air channel assembles between (6) and is provided with dual disconnecting prevention structure; Anti-drop structure is: the bolt adopting tail end with holes between described noseplate (101) and column (201,202), between limit base plate (105) and oblique pull plate (207,208), between rear base plate (104) and column (204,206) is connected and fixed, and in bolt uropore, slip-off preventing followed closely by latch again; Blower fan base plate (103) and fan air channel arrange L-type anticreep plate (106) between assembling 6, and anticreep plate (106) is fixed on bottom fan air channel assembling (6) riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557538.8U CN204229979U (en) | 2014-09-25 | 2014-09-25 | Traction transformer cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557538.8U CN204229979U (en) | 2014-09-25 | 2014-09-25 | Traction transformer cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204229979U true CN204229979U (en) | 2015-03-25 |
Family
ID=52928046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420557538.8U Expired - Fee Related CN204229979U (en) | 2014-09-25 | 2014-09-25 | Traction transformer cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204229979U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252946A (en) * | 2014-09-25 | 2014-12-31 | 中国北车集团大连机车研究所有限公司 | Cooling unit for traction transformers |
| CN105321664A (en) * | 2015-12-09 | 2016-02-10 | 中车大连机车研究所有限公司 | Inclined type cooling unit for CRH (China Railway High-Speed) train traction transformer |
| CN110632708A (en) * | 2015-09-10 | 2019-12-31 | 申泰公司 | Rack-mounted equipment with high heat dissipation modules and transceiver jacks with increased cooling |
-
2014
- 2014-09-25 CN CN201420557538.8U patent/CN204229979U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252946A (en) * | 2014-09-25 | 2014-12-31 | 中国北车集团大连机车研究所有限公司 | Cooling unit for traction transformers |
| CN110632708A (en) * | 2015-09-10 | 2019-12-31 | 申泰公司 | Rack-mounted equipment with high heat dissipation modules and transceiver jacks with increased cooling |
| CN110632716A (en) * | 2015-09-10 | 2019-12-31 | 申泰公司 | Rack-mounted equipment with high heat dissipation modules and transceiver jacks with increased cooling |
| CN110632716B (en) * | 2015-09-10 | 2021-12-03 | 申泰公司 | Rack-mounted equipment with high heat dissipation modules and transceiver jacks with increased cooling |
| US11372178B2 (en) | 2015-09-10 | 2022-06-28 | Samtec, Inc. | Rack-mountable equipment with a high-heat-dissipation module, and transceiver receptacle with increased cooling |
| CN105321664A (en) * | 2015-12-09 | 2016-02-10 | 中车大连机车研究所有限公司 | Inclined type cooling unit for CRH (China Railway High-Speed) train traction transformer |
| CN105321664B (en) * | 2015-12-09 | 2017-08-08 | 中车大连机车研究所有限公司 | Motor train unit traction transformer tilting cooling unit |
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Legal Events
| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20170925 |