CN209298579U - A kind of passive self-extinguishing switchgear - Google Patents
A kind of passive self-extinguishing switchgear Download PDFInfo
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- CN209298579U CN209298579U CN201822221020.8U CN201822221020U CN209298579U CN 209298579 U CN209298579 U CN 209298579U CN 201822221020 U CN201822221020 U CN 201822221020U CN 209298579 U CN209298579 U CN 209298579U
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Abstract
The utility model discloses a kind of passive self-extinguishing switchgears, including cabinet body and cabinet door, memorial alloy temperature-sensitive driving buzzer siren and fire-extinguishing bottle are equipped in cabinet body, the outlet of fire-extinguishing bottle is equipped with memorial alloy temperature-sensitive and automatically opens valve, it includes valve body that memorial alloy temperature-sensitive, which automatically opens valve, valve body is equipped with sleeve and sleeve and valve body are perpendicular, the side wall of sleeve is equipped with the bottom in hole slot and sleeve and is equipped with gasket, spool is additionally provided in sleeve, the top of spool is equipped with reset spring, the bottom of spool is fixed with valve plate and the bottom end of valve plate is put in valve body, the outside that memory alloy spring and memory alloy spring are sleeved on valve plate is equipped between spool and gasket.The utility model structure is simple, sensitive, it without external power supply, can repeatedly use, alarm signal can be issued when switchgear internal heat generation reaches certain temperature, and when there is fire can extinction by automatic sprinkling agent, fire hazard and economic loss can be effectively reduced.
Description
Technical field
The utility model belongs to electric power fire fighting device technical field, and in particular to a kind of passive self-extinguishing switchgear.
Background technique
Switchgear is power distribution network important technology facility, is mainly used for opening and closing circuit, is mounted therein with air switch, wiring
Terminal, fuse and ammeter and voltmeter etc. have the characteristics that structure is simple, small in size, voltage is small, are widely used in work
The places such as enterprise, factory, residential quarters and public building.
Since switchgear is small in size, electrical component is more, more by bolted drainage plate, therefore can produce when being powered operation
Raw amount of heat causes to switch in-cabinet temperature raising.And electrical component works in high temperature range for a long time, insulating layer is easy
Aging is damaged, to serious heat condition occur or generate fire, existing switchgear usually has the fire fighting with fire extinguisher of peripheral hardware, not
It can be rapidly by fire suppression.
Utility model content
Purpose of the utility model is to solve the technical problems existing in the prior art, provide a kind of structure it is simple,
Passive self-extinguishing switchgear that is sensitive, being used multiple times and can put out a fire rapidly when fire occurs in switchgear.
In order to achieve the above object, the utility model uses a kind of following technical scheme: passive self-extinguishing switchgear, packet
The cabinet door of cabinet body and installation on the cabinet is included, memorial alloy temperature-sensitive driving buzzer siren and extinguishing chemical are equipped in the cabinet body
Steel cylinder, the outlet of the fire-extinguishing bottle are equipped with memorial alloy temperature-sensitive and automatically open valve, and the memorial alloy temperature-sensitive is certainly
Dynamic valve of opening includes valve body, and the valve body is equipped with sleeve and sleeve and valve body are perpendicular, and the side wall of the sleeve is equipped with
Bottom in hole slot and sleeve is equipped with gasket, and spool is additionally provided in the sleeve, and the top of the spool is equipped with reset spring,
The bottom of the spool is fixed with valve plate and the bottom end of valve plate is put in valve body, and memory is equipped between the spool and gasket and is closed
Golden spring and memory alloy spring are sleeved on the outside of valve plate.
Further, memorial alloy temperature-sensitive driving buzzer siren include successively by the power supply unit of conducting wire connection,
Memorial alloy temperature-sensitive driving element and buzzer, the memorial alloy temperature-sensitive driving element includes switch bracket, the switch branch
Shape memory alloy metal piece is installed on frame.
Further, the valve body is threadedly coupled with the bottom end of sleeve.
Further, the hole slot is located on the lower sides of sleeve.
Further, the fire-extinguishing bottle is multiple steel cylinders equipped with liquid carbon dioxide, the fire-extinguishing bottle
Multiple memorial alloy temperature-sensitives, which are equipped with, along different directions on outlet automatically opens valve.
Further, the memorial alloy temperature-sensitive driving buzzer siren is multiple.
Further, the material of the memory alloy spring and shape memory alloy metal piece is that the memory of nickel titanium group high temperature is closed
Gold.
The utility model has the advantages that the passive self-extinguishing switchgear of the utility model compared with the prior art
It mainly include that cabinet body, cabinet door, memorial alloy temperature-sensitive driving buzzer siren, fire-extinguishing bottle and memorial alloy temperature-sensitive automatically open
Valve, memorial alloy temperature-sensitive drives the temperature in buzzer siren energy aware switch cabinet, when the temperature of switchgear reaches certain temperature
When spending, memorial alloy temperature-sensitive driving buzzer siren issues alarm signal prompt maintenance or operator on duty is handled in time；If maintenance
Or operator on duty is handled not in time, when switch in-cabinet temperature continues to increase and open fire occur, memorial alloy temperature-sensitive automatically opens valve
Door can automatically open, and the open fire in switchgear is put out in the extinguishing chemical ejection in fire-extinguishing bottle.The utility model can switch
Alarm signal is issued when cabinet internal heat generation reaches certain temperature, and when there is fire can extinction by automatic sprinkling agent, can effectively drop
Low fire hazard and economic loss protect property safety.The utility model structure is simple, sensitive, is not necessarily to external power supply, can
It repeatedly uses, there is good use value and application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model memorial alloy temperature-sensitive automatically opens valve；
Fig. 3 is schematic diagram when the utility model memorial alloy temperature-sensitive automatically opens valve opening；
Fig. 4 is the structural schematic diagram of the utility model hole slot；
Fig. 5 is the structural schematic diagram that the utility model memorial alloy temperature-sensitive drives buzzer siren；
Fig. 6 is the structural schematic diagram of the utility model memorial alloy temperature-sensitive driving element；
Fig. 7 is the utility model memorial alloy temperature-sensitive driving element use state diagram.
The utility model appended drawing reference meaning is as follows: 1, cabinet door；2, fire-extinguishing bottle；3, memorial alloy temperature-sensitive automatically opens
Valve；31, sleeve；32, reset spring；33, spool；34, memory alloy spring；35, gasket；36, valve body；37, hole slot；
38, valve plate；4, memorial alloy temperature-sensitive drives buzzer siren；41, power supply unit；42, memorial alloy temperature-sensitive driving element；43,
Buzzer；44, switch bracket；45, shape memory alloy metal piece；5, cabinet body.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figs. 1-7, a kind of passive self-extinguishing switchgear, including cabinet body 5 and the cabinet door being mounted on cabinet body 51,
Multiple memorial alloy temperature-sensitives driving buzzer siren 4 and multiple fire-extinguishing bottles 2, the driving of memorial alloy temperature-sensitive are equipped in cabinet body 5
Buzzer siren 4 includes power supply unit 41, memorial alloy temperature-sensitive driving element 42 and the buzzer 43 successively connected by conducting wire, note
Recalling alloy temperature-sensitive driving element 42 includes switch bracket 44, is equipped with shape memory alloy metal piece 45 on switch bracket 44, goes out
Fiery agent steel cylinder 2 is the steel cylinder equipped with liquid carbon dioxide, is equipped with multiple memories along different directions on the outlet of fire-extinguishing bottle 2
Alloy temperature-sensitive automatically opens valve 3, and it includes valve body 36 that memorial alloy temperature-sensitive, which automatically opens valve 3, and valve body 36 is equipped with sleeve 31
And sleeve 31 and valve body 36 are perpendicular, valve body 36 is threadedly coupled with the bottom end of sleeve 31, and the lower sides of sleeve 31 are equipped with hole
Bottom in slot 37 and sleeve 31 is equipped with gasket 35, and spool 33 is additionally provided in sleeve 31, and the top of spool 33, which is equipped with, resets bullet
Spring 32, the bottom of spool 33 is fixed with valve plate 38 and the bottom end of valve plate 38 is put in valve body 36, between spool 33 and gasket 35
Equipped with memory alloy spring 34 and memory alloy spring 34 is sleeved on the outside of valve plate 38, memory alloy spring 34 and shape memory
The material of alloying metal piece 45 is NiTi base high temperature shape memory alloy, and preferably material is NiTi zirconium, NiTi hafnium alloy.
When in switch cabinet body 5 temperature be higher than 70 DEG C when, deformation occurs for shape memory alloy metal piece 45 (at normal temperature for
Straightened condition), become arc-shaped, connect circuit, buzzer 43 issues alarm signal, and maintenance or operator on duty is prompted to locate in time
Reason.If maintenance or operator on duty are handled not in time, when temperature continues to increase and open fire occur in switch cabinet body 5, high temperature air
Memory alloy spring 34 is reached by the hole slot 37 on sleeve 31, memory alloy spring 34 is i.e. extending, memory alloy spring 34
Spool 33 is pushed to move up in sleeve 31, so that valve plate 38 is driven to move up, so that valve is opened, fire-extinguishing bottle 2
Interior liquid carbon dioxide gasifies rapidly, puts out a fire after ejection to the open fire in switch cabinet body 5.To bright in switch cabinet body 5
After fire is put out, after temperature is brought down below memorial alloy phase transition temperature, 34 elastic force of memory alloy spring decline, in reset spring 32
Effect is lower to push spool 33 to move down in sleeve 31, so that valve plate 38 be driven to close valve.Staff can will remember
Alloy temperature-sensitive automatically opens valve 3 and removes, and the fire-extinguishing bottle 2 of liquid carbon dioxide is filled in replacement.
Claims (7)
1. a kind of passive self-extinguishing switchgear, including cabinet body (5) and the cabinet door (1) being mounted on cabinet body (5), feature exists
In: memorial alloy temperature-sensitive driving buzzer siren (4) and fire-extinguishing bottle (2), the extinguishing chemical steel are equipped in the cabinet body (5)
The outlet of bottle (2) is equipped with memorial alloy temperature-sensitive and automatically opens valve (3), and the memorial alloy temperature-sensitive automatically opens valve
It (3) include valve body (36), the valve body (36) is equipped with sleeve (31) and sleeve (31) and valve body (36) are perpendicular, the sleeve
(31) side wall is equipped with the bottom in hole slot (37) and sleeve (31) and is equipped with gasket (35), is additionally provided in the sleeve (31)
The top of spool (33), the spool (33) is equipped with reset spring (32), and the bottom of the spool (33) is fixed with valve plate (38)
And the bottom end of valve plate (38) is put in valve body (36), and memory alloy spring is equipped between the spool (33) and gasket (35)
(34) and memory alloy spring (34) is sleeved on the outsides of valve plate (38).
2. a kind of passive self-extinguishing switchgear according to claim 1, it is characterised in that: the memorial alloy temperature-sensitive drives
Dynamic buzzer siren (4) include power supply unit (41), memorial alloy temperature-sensitive driving element (42) and the bee successively connected by conducting wire
It rings device (43), the memorial alloy temperature-sensitive driving element (42) includes switch bracket (44), is installed on the switch bracket (44)
There are marmem sheet metal (45).
3. a kind of passive self-extinguishing switchgear according to claim 1, it is characterised in that: the valve body (36) and sleeve
(31) bottom end is threadedly coupled.
4. a kind of passive self-extinguishing switchgear according to claim 1, it is characterised in that: the hole slot (37) is located at set
On the lower sides of cylinder (31).
5. a kind of passive self-extinguishing switchgear according to claim 1, it is characterised in that: the fire-extinguishing bottle (2)
For multiple steel cylinders equipped with liquid carbon dioxide, multiple notes are equipped with along different directions on the outlet of the fire-extinguishing bottle (2)
Recall alloy temperature-sensitive and automatically opens valve (3).
6. a kind of passive self-extinguishing switchgear according to claim 1, it is characterised in that: the memorial alloy temperature-sensitive drives
Dynamic buzzer siren (4) are multiple.
7. a kind of passive self-extinguishing switchgear according to claim 2, it is characterised in that: the memory alloy spring
(34) and the material of shape memory alloy metal piece (45) is NiTi base high temperature shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221020.8U CN209298579U (en) | 2018-12-27 | 2018-12-27 | A kind of passive self-extinguishing switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221020.8U CN209298579U (en) | 2018-12-27 | 2018-12-27 | A kind of passive self-extinguishing switchgear |
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| Publication Number | Publication Date |
|---|---|
| CN209298579U true CN209298579U (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822221020.8U Active CN209298579U (en) | 2018-12-27 | 2018-12-27 | A kind of passive self-extinguishing switchgear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473875A (en) * | 2018-12-27 | 2019-03-15 | 兰州西脉记忆合金股份有限公司 | A kind of passive self-extinguishing switchgear |
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2018
- 2018-12-27 CN CN201822221020.8U patent/CN209298579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473875A (en) * | 2018-12-27 | 2019-03-15 | 兰州西脉记忆合金股份有限公司 | A kind of passive self-extinguishing switchgear |
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