CN204088961U - A kind of aluminium alloy cable cool-down dehumidification device - Google Patents
A kind of aluminium alloy cable cool-down dehumidification device Download PDFInfo
- Publication number
- CN204088961U CN204088961U CN201420545883.XU CN201420545883U CN204088961U CN 204088961 U CN204088961 U CN 204088961U CN 201420545883 U CN201420545883 U CN 201420545883U CN 204088961 U CN204088961 U CN 204088961U
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- China
- Prior art keywords
- cable
- distributing box
- draught distributing
- cool
- aluminium alloy
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 42
- 238000007791 dehumidification Methods 0.000 title claims abstract description 40
- 239000008393 encapsulating agent Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model relates to a kind of aluminium alloy cable cool-down dehumidification device, comprise the ajutage (2) and draught distributing box (3) that are located at power distribution cabinet (6) blower fan outward (1) and be located in power distribution cabinet (6), draught distributing box (3) is provided with incoming line (3-1), line outlet (3-2) and air inlet (3-3), one end of ajutage (2) is connected with the air outlet of blower fan (1), and the other end is connected with the air inlet (3-3) of draught distributing box (3); Enter the cable (5) in power distribution cabinet (6) to enter from the incoming line (3-1) of draught distributing box (3), and the core (5-1) of described cable (5) stretches out from the line outlet (3-2) of draught distributing box (3) and is connected with circuit breaker.This device can monitor the serviceability temperature with control cables constantly, removes cable internal temperature rise and moisture, thus improves the ampacity of existing aluminium alloy cable, saves the initial investment cost of cable, increases the insulation property of cable simultaneously, extend the useful life of cable.
Description
Technical field
The utility model belongs to distribution technique field, is specifically related to a kind of aluminium alloy cable cool-down dehumidification device.
Background technology
Current China relies on copper cable height, the huge market demand, and China's copper shortage of resources, price sharply rise violently, and cost increases considerably, and China is bauxite resource big country, and resource reserve is very abundant, about 2,700,000,000 tons.Do you how when copper resource-constrained, meet the market demand of domestic sharp increase? research and development have compared with high technology content, the aluminium cable product of excellent performance, substituting copper with aluminium is the only way breaking bottlenecks.
In European and American developed countries such as the U.S., France, Canada, aluminium alloy conductor accounts for the usage ratio of whole cable up to 90%.In China, though aluminium alloy cable is at the early-stage, development rapidly, all maintains 3-5 annual growth rate doubly in recent years.To estimate in the five-year that China's aluminium alloy cable market will high speed development, form the market scale of more than 2,000 hundred million yuan, market demand prospect is considerable.Increasing user and project development person start sight to concentrate one's gaze on a emerging alloy conductor material---aluminium alloy AA8030 conductor.With the aluminium alloy cable that aluminium alloy AA8030 conductor material is produced, its electric property and security performance are all very superior, and electric property is as useful life, electric conductivity, creep-resistant property, tensile strength and weight all show more outstanding than traditional copper core cable; Under the condition of equal ampacity, the weight of aluminium alloy cable only has 1/2 of common copper cable; Also clearly, under the prerequisite meeting identical electric property, the project cost of aluminium alloy cable is lower than copper core cable cost by more than 50% for aluminum alloy materials price advantage.At present, aluminium alloy cable has quite general application in American-European countries, and market statistics shows, aluminium alloy cable in the occupation rate of American-European cable market up to about 90%.
But aluminium alloy cable has following shortcoming in the application:
1, in actual motion, time especially close to 70% load, cable body easily generates heat, and heat radiation is more difficult.
2, Sheathed metal structure is interlocked in the larger region of variation of ambient temperature, in interlocking armour, metal covering easily forms moisture condensation, thus after causing cable to run certain hour, under being in wet environment state for a long time, to crosslinked polyetylene insulated, easily form water tree thus cause cable breakdown.
Utility model content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of structure aluminium alloy cable cool-down dehumidification device simple, easy to use, adopt device can monitor the serviceability temperature with control cables constantly, simultaneously can remove aluminium alloy cable internal temperature rise and moisture, add the insulation property of cable and extend useful life of cable.
For reaching above object, the technical solution adopted in the utility model is: a kind of aluminium alloy cable cool-down dehumidification device, it is connected with power distribution cabinet, the circuit breaker be connected with the core peelling off oversheath of cable is provided with in power distribution cabinet, described aluminium alloy cable cool-down dehumidification device comprises the blower fan be located at outside power distribution cabinet and the ajutage be located in power distribution cabinet and draught distributing box, draught distributing box is provided with incoming line, line outlet and air inlet, one end of ajutage is connected with the air outlet of blower fan, and the other end is connected with the air inlet of draught distributing box; Bottom power distribution cabinet, enter the cable in power distribution cabinet enter from the incoming line of draught distributing box, and the core of described cable stretches out from the line outlet of draught distributing box and is connected with circuit breaker.
Further, described device also comprises the cool-down dehumidification control unit be connected with blower fan.
Further again, blower fan is connected with relay, and the relay of blower fan is connected with cool-down dehumidification control unit.
Further, the surface being positioned at the core of the cable of draught distributing box is fixed with temperature element, and the temperature element of cable is connected with cool-down dehumidification control unit.
Further again, temperature element is thermocouple, and this thermocouple is fixed on the surface of the core of the cable being positioned at draught distributing box.
Further, described draught distributing box is located at bottom in power distribution cabinet; The air inlet of draught distributing box and line outlet are located at its top, and the incoming line of draught distributing box is located at bottom it.
Further, enter in the gap in the gap between cable in draught distributing box and incoming line and between the core of cable and the line outlet of draught distributing box and be equipped with encapsulant.
Further, draught distributing box is welded by multi-sheets, and cover plate and the draught distributing box body of the side of draught distributing box are removably tightly connected.
Further, the length entering the oversheath of the cable in draught distributing box is no more than 50mm.
Further, described blower fan is axial flow blower, and the air inlet of blower fan is provided with travel fatigue cover.
The utility model installs aluminium alloy cable cool-down dehumidification device additional on the basis of existing power distribution cabinet, the serviceability temperature with control cables can be monitored constantly, aluminium alloy cable internal temperature rise and moisture can be removed simultaneously, thus improve the ampacity of existing aluminium alloy cable, save the initial investment cost of cable, add the insulation property of cable and extend useful life of cable, accelerating the paces replacing copper cable with aluminium alloy cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of aluminium alloy cable cool-down dehumidification device that the utility model provides;
Fig. 2 is the structural representation of ajutage in Fig. 1;
Fig. 3 is the vertical view of ajutage in Fig. 2;
Fig. 4 is the structural representation of draught distributing box in Fig. 1, removed the cover plate of draught distributing box side in figure.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, a kind of aluminium alloy cable cool-down dehumidification device provided by the utility model is connected with power distribution cabinet 6.Generally, cable 5 enters in power distribution cabinet 6 from the bottom of power distribution cabinet 6, and power distribution cabinet 6 is provided with the circuit breaker be connected with the core 5-1 peelling off oversheath 5-2 of cable 5.
As shown in Figure 1, cable cool-down dehumidification device of the present utility model comprises the blower fan 1 be located at outside power distribution cabinet 6 and the ajutage 2 be located in power distribution cabinet 6 and draught distributing box 3, draught distributing box 3 is provided with multiple incoming line 3-1, multiple line outlet 3-2 and air inlet 3-3 (see Fig. 4), one end of ajutage 2 is connected with the air outlet of blower fan 1, and the other end is connected with the air inlet 3-3 of draught distributing box 3; Bottom power distribution cabinet 6, enter the cable 5 in power distribution cabinet 6 enter from the incoming line 3-1 of draught distributing box 3, and the core 5-1 of described cable 5 stretches out from the line outlet 3-2 of draught distributing box 3 and is connected with circuit breaker.
In the utility model, blower fan 1 can adopt axial flow blower, and the air inlet of blower fan is provided with dust cover 1-1.Draught distributing box 3 can be located at subjacent cable 5 porch in power distribution cabinet 6, and ajutage 2 can be located at above draught distributing box 3.Air inlet 3-3 and the line outlet 3-2 of draught distributing box 3 can be located at its top, and the incoming line 3-1 of draught distributing box 3 can be located at bottom it.
As shown in Figure 2,3, ajutage 2 can adopt the stainless steel square tube of two end band square flanges.
As shown in Figure 4, draught distributing box 3 can be welded by multi-sheets.The side of draught distributing box 3 can be provided with opening, the dismountable cover plate (not shown) of the salable connection of opening part, conveniently can connect like this and arrange cable 5.
In addition, a kind of aluminium alloy cable cool-down dehumidification device provided by the utility model can also comprise the cool-down dehumidification control unit be connected with blower fan 1.Cool-down dehumidification control unit can be a multi-path temperature-control instrument.
Under preferable case, cool-down dehumidification control unit 4 is connected with the relay of blower fan 1, to start and to stop blower fan 1 to operate.
More preferably in situation, temperature element can be fixed on the surface of core 5-1 of the cable 5 being positioned at draught distributing box 3, and this temperature element is connected with cool-down dehumidification control unit 4, so that the surface temperature of the core 5-1 of cool-down dehumidification control unit 4 Real-time Collection cable 5, and control the working order of blower fan 1 accordingly.Temperature element can be thermocouple, and this thermocouple is fixed on the surface of the core 5-1 of the cable 5 being positioned at draught distributing box 5.
Adequately thermometric and reach better effect on moisture extraction, enters in the gap in the gap between cable 5 in draught distributing box 3 and incoming line 3-1 and between the core 5-1 of the cable 5 and line outlet 3-2 of draught distributing box 3 and is equipped with encapsulant.
In addition, for ensureing the cool-down dehumidification effect of this device, the length of the oversheath 5-2 of the cable 5 in draught distributing box 3 is entered preferably no more than 50mm.
The operation principle of this device is: when the thermocouple monitoring in the middle part of the core 5-1 being fixed on cable 5 exceedes the design temperature of cool-down dehumidification control unit 4 (such as temperature controller) to the surface temperature of the core 5-1 of cable 5, cool-down dehumidification control unit 4 opens blower fan 1 by the relay of blower fan 1, when blower fan 1 operates, cold air enters blower interior through the dust cover 1-1 of blower fan 1, and by ajutage 2, cold air is sent into draught distributing box 3; The cold air entering draught distributing box 3 enters the inside of the cable 5 of every root respectively, the cavity of cold air between the core 5-1 of cable 5 and between cable sheath and core 5-1 in draught distributing box 3 out, thus cable temperature is reduced, thus improve the ampacity of aluminium alloy cable, save the initial investment cost of cable, and remove aluminium alloy cable internal temperature rise and moisture, add the insulation property of cable and extend useful life of cable.
Manufacture craft and the installation process of this device are as follows:
Open the square hole (such as size 80*80mm) of by side at the top board of power distribution cabinet 6,4 screw holes are being made a call in the surrounding of square hole, then ajutage 2 is put in power distribution cabinet 6, blower fan 1 (such as axial flow blower) is placed on power distribution cabinet 6 top board, is fixed on power distribution cabinet with key screw blower fan 1 together with ajutage 2;
The draught distributing box 3 of side straps cover plate is put into bottom power distribution cabinet 6 again and also fix (lateral hatch of draught distributing box 3 can first be pulled down), and be connected by the air outlet of one end of ajutage 2 with blower fan 1, the other end is connected with the air inlet 3-3 of draught distributing box 3;
Then, the end waiting (such as aluminium alloy cable) of cable 5 is peelled off oversheath and armour exposes internal core 5-1, being inserted bottom power distribution cabinet 6 by the end waiting of cable 5 power distribution cabinet 6 also inserts draught distributing box 3 from draught distributing box 3 bottom line inlet 3-1 further, every root core 5-1 is separately fixed at circuit breaker respectively after the line outlet 3-2 on draught distributing box 3 top passes, with adhesive tape or fluid sealant cable 5 is good into and out of the gap sealing of draught distributing box 3, simultaneously at the surperficial stationary heat galvanic couple of every root core 5-1;
After connecting every root cable 5, then the cover plate of draught distributing box 3 is spread fluid sealant, be screwed the opening part of draught distributing box 3;
Finally, cool-down dehumidification control unit 4 (such as multi-path temperature control instrument) is fixed on the panel of power distribution cabinet 6, and with line, cool-down dehumidification control unit 4 is connected with the thermocouple on the relay line of blower fan 1 and every root core 5-1 surface of being fixed on cable 5 respectively.
Above-described embodiment just illustrates of the present utility model, and the utility model also can be implemented with other ad hoc fashion or other particular form, and does not depart from main idea of the present utility model or substantive characteristics.Therefore, description execution mode from the viewpoint of any all should be considered as illustrative but not determinate.Scope of the present utility model should be illustrated by the claim of adding, and anyly also should be included in scope of the present utility model with the intention of claim and the change of scope equivalence.
Claims (10)
1. an aluminium alloy cable cool-down dehumidification device, this aluminium alloy cable cool-down dehumidification device is connected with power distribution cabinet (6), the circuit breaker be connected with the core (5-1) peelling off oversheath (5-2) of aluminium alloy cable (5) is provided with in power distribution cabinet (6), it is characterized in that, described aluminium alloy cable cool-down dehumidification device comprises the ajutage (2) and draught distributing box (3) that are located at power distribution cabinet (6) blower fan outward (1) and be located in power distribution cabinet (6), draught distributing box (3) is provided with incoming line (3-1), line outlet (3-2) and air inlet (3-3), one end of ajutage (2) is connected with the air outlet of blower fan (1), the other end is connected with the air inlet (3-3) of draught distributing box (3), enter the cable (5) in power distribution cabinet (6) enter from the incoming line (3-1) of draught distributing box (3) from power distribution cabinet (6) bottom, and the core (5-1) of described cable (5) stretches out from the line outlet (3-2) of draught distributing box (3) and is connected with circuit breaker.
2. a kind of aluminium alloy cable cool-down dehumidification device according to claim 1, is characterized in that, described device also comprises the cool-down dehumidification control unit (4) be connected with blower fan (1).
3. a kind of cable cool-down dehumidification device according to claim 2, it is characterized in that, (1) is connected with relay with blower fan, the relay of blower fan (1) and being connected with cool-down dehumidification control unit (4).
4. a kind of aluminium alloy cable cool-down dehumidification device according to Claims 2 or 3, it is characterized in that, the surface being positioned at the core (5-1) of the cable (5) of draught distributing box (3) is fixed with temperature element, and the temperature element of cable (5) is connected with cool-down dehumidification control unit (4).
5. a kind of aluminium alloy cable cool-down dehumidification device according to claim 4, it is characterized in that, temperature element is thermocouple, and this thermocouple is fixed on the surface of the core (5-1) of the cable (5) being positioned at draught distributing box (5).
6. a kind of aluminium alloy cable cool-down dehumidification device according to claim 1, it is characterized in that, described draught distributing box (3) is located at power distribution cabinet (6) interior bottom; Air inlet (3-3) and the line outlet (3-2) of draught distributing box (3) are located at its top, and the incoming line (3-1) of draught distributing box (3) is located at bottom it.
7. a kind of cable cool-down dehumidification device according to claim 6, it is characterized in that, enter in the gap in the gap between cable (5) in draught distributing box (3) and incoming line (3-1) and between the core (5-1) of cable (5) and the line outlet (3-2) of draught distributing box (3) and be equipped with encapsulant.
8. a kind of aluminium alloy cable cool-down dehumidification device according to claim 6, it is characterized in that, draught distributing box (3) is welded by multi-sheets, and the side of draught distributing box (3) is provided with opening, and opening part is sealedly connected with dismountable cover plate.
9. a kind of aluminium alloy cable cool-down dehumidification device according to claim 1, is characterized in that, the length entering the oversheath (5-2) of the cable (5) in draught distributing box (3) is no more than 50mm.
10. a kind of aluminium alloy cable cool-down dehumidification device according to claim 1, it is characterized in that, described blower fan (1) is axial flow blower, and the air inlet of blower fan is provided with travel fatigue cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545883.XU CN204088961U (en) | 2014-09-22 | 2014-09-22 | A kind of aluminium alloy cable cool-down dehumidification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545883.XU CN204088961U (en) | 2014-09-22 | 2014-09-22 | A kind of aluminium alloy cable cool-down dehumidification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088961U true CN204088961U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420545883.XU Expired - Fee Related CN204088961U (en) | 2014-09-22 | 2014-09-22 | A kind of aluminium alloy cable cool-down dehumidification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186328A (en) * | 2015-10-16 | 2015-12-23 | 国网天津市电力公司 | Forced ventilation dehumidifying system for switch cabinet |
-
2014
- 2014-09-22 CN CN201420545883.XU patent/CN204088961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186328A (en) * | 2015-10-16 | 2015-12-23 | 国网天津市电力公司 | Forced ventilation dehumidifying system for switch cabinet |
| CN105186328B (en) * | 2015-10-16 | 2017-10-24 | 国网天津市电力公司 | Switch cubicle forced ventilation dehumidification system |
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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 |
Granted publication date: 20150107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |