CN203720675U - Memory-alloy-based transformer cooling device - Google Patents
Memory-alloy-based transformer cooling device Download PDFInfo
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- CN203720675U CN203720675U CN201420062579.XU CN201420062579U CN203720675U CN 203720675 U CN203720675 U CN 203720675U CN 201420062579 U CN201420062579 U CN 201420062579U CN 203720675 U CN203720675 U CN 203720675U
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- memory
- memory alloy
- relay
- fan
- transformer
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Abstract
A memory-alloy-based transformer cooling device relates to a transformer cooling device. A memory-alloy-based transformer cooling device which is capable of improving the real-time performance and reliability of transformer cooling and is simple in structure, convenient to install and long in service life is provided. The memory-alloy-based transformer cooling device comprises six memory alloy springs, moving contacts, proximity switches, relays and fans. One ends of the memory alloy springs are fixed, and the other ends of the memory alloy springs are connected with the moving contacts. Each proximity switch is arranged on one side of the corresponding moving contact, and the proximity switches are respectively connected with the relays and a direct-current power supply. On/off of the relays is controlled by on/off of the proximity switches and the direct-current power supply. The fans are connected with the relays, and start/stop of the fans is controlled by the relays. The deformation temperatures of the six memory alloy springs from left to right are respectively 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C and 90 DEG C.
Description
Technical field
The utility model relates to heat dissipating device of transformer, especially relates to a kind of based on memorial alloy heat dissipating device of transformer.
Background technology
In recent years, the kind of transformer has had huge development, and especially the capacity of transformer and voltage are greatly improved, and the capacity of transformer is larger, and corresponding loss and thermal value are larger, and heat radiation is more difficulty, thereby need to take strong cooling provision.Transformer has oil-filled transformer and dry-type transformer, and oil-filled transformer is to rely on oil to make heat eliminating medium, as oil, oil, oil immersed water cool, forced oil-circulation etc.Dry-type transformer be rely on cross-ventilation carry out cooling, as carried out cold cut with blower fan.
At present, the start-stop of fan of dry type transformer is by attemperating unit control, but temperature-measuring control device complicate fabrication process spends high and the life-span is short.
Summary of the invention
The purpose of this utility model is to provide a kind of real-time and reliability that not only improves variable depressor heat radiation, and simple in structure, easy for installation, long service life based on memorial alloy heat dissipating device of transformer.
The utility model is provided with 6 groups of memory alloy springs, moving contact, approach switch, relay, fan;
Memory alloy spring one end of every 1 group is fixed, the other end of memory alloy spring is connected with moving contact, approach switch is located at a side of moving contact, approach switch is connected with relay and direct supply respectively, the power on/off of relay is by the break-make control of approach switch and direct supply, fan is connected with relay, the unlatching of fan with stop by Control, 6 memory alloy springs deformation temperature is from left to right followed successively by 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C.
Because memory alloy spring of the present utility model is connected with moving contact, wherein memory metal spring can stretch along with the variation of temperature, and memorial alloy is sensitive to being swift in response of temperature, long service life.6 different memory alloy springs can be stretched, contract according to different temperature, thereby control the switching electricity of different relays.
Memorial alloy is that a kind of atomic arrangement is very regular, volume becomes the martensite phase transformation alloy that is less than 0.5%, and this alloy can produce distortion under external force, in the time that external force is removed, under certain temperature conditions, can return to the original form.Because it has above restore funcitons 1,000,000 times, be therefore called " memorial alloy ".In addition, the advantages such as that memorial alloy also has is nonmagnetic, wear-and corrosion-resistant, nontoxicity, therefore application is very extensive.Memorial alloy is applied to the control of transformer cooling fan, will make control device simple in structure, easy for installation, long service life.
Compared with existing heat dissipating device of transformer, the utlity model has following technique effect:
1) the utility model adopts memory alloy material to control the action of moving contact, thereby reach the switching of pilot relay, the temperature difference of different memorial alloy deformation, as long as along with transformer temperature rises, the quantity that just can control fan operation, reaches real-time, energy-conservation effect.
2) memory alloy spring that the utility model adopts has above restore funcitons 1,000,000 times, is not subject to the impact of environment, and long service life makes transformer heat radiation reliable and stable, safeguards that simply expense is low.
Brief description of the drawings
Fig. 1 is the structure composition schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model embodiment is provided with 6 memory alloy springs 11,12,13,14,15,16,6 moving contacts 21,22,23,24,25,26,6 approach switchs 31,32,33,34,35,36,6 relay 41,42,43,44,45,46,6 fans 51,52,53,54,55,56 and 24V direct supply.Memory alloy spring one end of every 1 group is fixed, the other end of memory alloy spring is connected with moving contact, approach switch is located at a side of moving contact, approach switch is connected with relay and direct supply respectively, the power on/off of relay is by the break-make control of approach switch and direct supply, fan is connected with relay, the unlatching of fan with stop by Control, 6 memory alloy springs 11,12,13,14,15,16 deformation temperature is from left to right followed successively by 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C.
6 moving contact 21,22,23,24,25,26 starting positions as shown in Figure 1, in the time that the running temperature of transformer reaches 40 DEG C, 11 deformation of Far Left memory alloy spring are shunk, now relay 41 is switched on, the like in the time that temperature reaches 90 DEG C, rightmost memory alloy spring 16 shrinks, and relay 46 is switched on.In contrast, in the time that temperature declines from 90 DEG C, memory alloy spring extends thereupon, thus the power-off of pilot relay.
6 different relays 41,42,43,44,45,46 are controlled 6 fans 51,52,53,54,55,56.In the time that relay 41 is switched on, its normally opened contact closure, fan 51 is worked.In the time that relay 42 is switched on, fan 52 is worked.In the time that relay 43 is switched on, fan 53 is worked.In the time that relay 44 is switched on, fan 54 is worked.In the time that relay 45 is switched on, fan 55 is worked.In the time that relay 46 is switched on, fan 56 is worked.As long as relay one power-off, fan just quit work.
When temperature is during lower than 40 DEG C, 6 fans are not worked.In the time that transformer temperature is 40～50 DEG C, memory alloy spring 11 starts fan 51 works, and carries out cold cut work; In the time that transformer temperature is 50～60 DEG C, fan 52 is started working, and transformer is carried out to cold cut; In the time that transformer temperature is 60～70 DEG C, fan 51～53 work, carry out cold cut to transformer; In the time that temperature is 70～80 DEG C, fan 51～54 work, carry out cold cut to transformer.In the time that temperature is 80～90 DEG C, fan 51～55 work, carry out cold cut to transformer.In the time that temperature exceedes 90 DEG C, 6 fans 51～56 are all worked, and transformer is carried out to cold cut.In like manner, along with temperature reduces, the quantity of fan operation also reduces.
Claims (1)
1. based on memorial alloy heat dissipating device of transformer, it is characterized in that being provided with 6 groups of memory alloy springs, moving contact, approach switch, relay, fan;
Memory alloy spring one end of every 1 group is fixed, the other end of memory alloy spring is connected with moving contact, approach switch is located at a side of moving contact, approach switch is connected with relay and direct supply respectively, the power on/off of relay is by the break-make control of approach switch and direct supply, fan is connected with relay, the unlatching of fan with stop by Control, 6 memory alloy springs deformation temperature is from left to right followed successively by 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062579.XU CN203720675U (en) | 2014-02-12 | 2014-02-12 | Memory-alloy-based transformer cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062579.XU CN203720675U (en) | 2014-02-12 | 2014-02-12 | Memory-alloy-based transformer cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720675U true CN203720675U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062579.XU Expired - Fee Related CN203720675U (en) | 2014-02-12 | 2014-02-12 | Memory-alloy-based transformer cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362339A (en) * | 2016-10-09 | 2017-02-01 | 广东工业大学 | Fire extinguishing system |
| CN112584683A (en) * | 2020-12-30 | 2021-03-30 | 铜陵迈维电子科技有限公司 | LED driving power supply with passive fire extinguisher device |
-
2014
- 2014-02-12 CN CN201420062579.XU patent/CN203720675U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362339A (en) * | 2016-10-09 | 2017-02-01 | 广东工业大学 | Fire extinguishing system |
| CN112584683A (en) * | 2020-12-30 | 2021-03-30 | 铜陵迈维电子科技有限公司 | LED driving power supply with passive fire extinguisher device |
| CN112584683B (en) * | 2020-12-30 | 2022-09-13 | 铜陵迈维电子科技有限公司 | LED driving power supply with passive fire extinguisher device |
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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: 20140716 Termination date: 20200212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |