CN104153680A - Rotary skylight of cabinet - Google Patents
Rotary skylight of cabinet Download PDFInfo
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- CN104153680A CN104153680A CN201410381214.8A CN201410381214A CN104153680A CN 104153680 A CN104153680 A CN 104153680A CN 201410381214 A CN201410381214 A CN 201410381214A CN 104153680 A CN104153680 A CN 104153680A
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- top board
- window frame
- resistance
- electromagnetic lock
- comparator
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Abstract
The invention discloses a rotary skylight of a cabinet. The rotary skylight comprises a connection plate, a top plate, a window frame and an electromagnetic lock. The connection plate is fixedly connected with the window frame, the top plate is matched with the window frame in size and shape, the top plate is located in the window frame, the two ends of the top plate are movably fixed to the window frame through rotary shafts, the connection line of the rotary shafts at the two ends of the top plate divides the top plate into two parts with different weights, and the electromagnetic lock is fixed to the window frame. The rotary skylight further comprises an electromagnetic lock control circuit which comprises a power supply Vcc, a slide rheostat Rp, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a smoke sensor W and a comparator U1. By means of the structure, it is guaranteed that certain air tightness is kept when the cabinet normally works. Meanwhile, automatic opening of the top of the cabinet can be achieved in a fire-fighting situation, and fire can be put out conveniently, quickly and timely.
Description
Technical field
The present invention relates to the safety fire fighting field of rack, be specifically related to a kind of rack rotation skylight.
Background technology
Rack is for depositing the object of computer and related control device, generally adopts cold-rolled steel sheet or alloy to make, and rack can provide the protection to storage equipment, shield electromagnetic interference, in order, alignment apparatus fitly, convenient after service equipment.Current rack is in relatively airtight state, if line short appears in the equipment such as the computer in rack or the bad problem of dispelling the heat, easily make rack interior on fire, if now fire extinguishing not in time, will inevitably cause the serious damage of the equipment such as computer, or even bring security incident, and general rack only has a cabinet door, this cabinet door is mainly used for moving in and out of equipment, therefore, when really running into fire, there is larger problem in current rack, is unfavorable for timely fire extinguishing.
Summary of the invention
The invention provides a kind of rack rotation skylight, solved current rack and run into innerly when on fire, cannot realize in time fire extinguishing, thereby bring the problem of massive losses.
The present invention for achieving the above object, realize by the following technical solutions: a kind of rack rotation skylight, comprise junction plate, top board, window frame and electromagnetic lock, described junction plate is fixedly connected with window frame, the shape of described top board and size match with window frame, and top board is positioned at window frame, and the two ends of top board are movably fixed on window frame by rotating shaft, the line of the rotating shaft at top board two ends is divided into unequal two parts of weight by top board, and described electromagnetic lock is fixed on window frame;
Also comprise electromagnetic lock control circuit, described electromagnetic lock control circuit comprises power Vcc, slide rheostat Rp, resistance R 1, resistance R 2, resistance R 3, resistance R 4, Smoke Sensor W and comparator U1, a termination power Vcc of described slide rheostat Rp, the in-phase input end of another termination comparator U1; After two pin A short circuits of described Smoke Sensor W, connect power Vcc, one end of connecting resistance R3 after two pin B short circuits of Smoke Sensor W, the other end ground connection of resistance R 3; A termination power Vcc of the heating wire H of described Smoke Sensor W, ground connection after the other end series resistor R1 of heating wire H; The pin B of one termination Smoke Sensor W of described resistance R 2, the inverting input of another termination comparator U1 of resistance R 2; The in-phase input end of one termination comparator U1 of described resistance R 4, the other end ground connection of resistance R 4; The positive supply termination power Vcc of described comparator U1, the negative power end ground connection of comparator U1; The power input of described electromagnetic lock is connected with the output end vo of comparator U1.
This programme mainly comprises mechanical part and the control circuit part of rotating skylight, for mechanical part, owing to rotation skylight will being arranged on to the top of rack, the top of rack must be provided with and rotate the much the same opening of skylight size before rotation skylight is installed, by junction plate, rotation skylight is arranged on after enclosure top, interior of equipment cabinet is realized with the connected sum of space outerpace and being isolated by rotation skylight, when top board is during in level, rack is in sealing state, when top board is during in vertical state, open in skylight, outside fire-suppressant gas can directly enter in rack by skylight fast, improve fire-fighting efficiency, control circuit is for realizing the intelligent opening in rotation skylight, and generally, the equipment in rack is in normal operating conditions, and the strong magnetic force of the charged generation of electromagnetic lock, holds top board, and makes top board in level, and rack is sealed, and in rack once occur fire, smoldering, Smoke Sensor conducting, and make electromagnetic lock power-off, top board, in the situation that losing electromagnetic lock absorption affinity, is opened under the effect of self gravitation, now fire-suppressant gas can be injected in rack by the skylight of opening, realize fast, fire extinguishing timely, after dangerous releasing, can manually top board be resetted, electromagnetic lock is with magnetic-adsorption top board again.
Further, as preferred version, described top board is square structure, window frame consists of A, B, C, tetra-limits of D, the two ends of top board are separately fixed on A limit and C limit, and described electromagnetic lock is fixed on B limit, and described rotating shaft is greater than rotating shaft to the distance on D limit to the distance on B limit.
Further, as preferred version, described electromagnetic lock is fixed on the midpoint on B limit.
Further, as preferred version, described top board be shaped as circle, the annular that window frame matches with top board for size.
The present invention compared with prior art, have the following advantages and beneficial effect: the present invention is by improving existing rack, rotation skylight is set at the top of existing rack, by rotation skylight, realize the switching of enclosure top, meanwhile, by design control circuit, when rack breaking out of fire, the intelligent opening that can realize rotation skylight under the effect of Smoke Sensor, facilitates fire-suppressant gas directly from skylight, to enter in rack, realizes fast, puts out a fire timely; In addition, in normal operation, electromagnetic lock adsorbs top board, has guaranteed the seal of rack.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotation skylight when closing;
Fig. 2 is the structural representation of rotation skylight when opening;
Fig. 3 is the control circuit figure of electromagnetic lock.
The name that in accompanying drawing, Reference numeral is corresponding is called: 1, junction plate, 2, top board, 3, window frame, 4, electromagnetic lock, 5, rotating shaft.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment:
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of rack rotation skylight described in the present embodiment, comprise frame for movement part and control circuit part, frame for movement partly comprises junction plate 1, top board 2, window frame 3 and electromagnetic lock 4, junction plate 1 is fixedly connected with window frame 3, by junction plate 1, whole rotation skylight is fixed on to enclosure top, and make to rotate the unlatching that enclosure top is realized in skylight, mainly specifically to realize by top board 2, the shape of top board 2 and size match with window frame 3, top board 2 is positioned at window frame 3, and the two ends of top board 2 are movably fixed on window frame 3 by rotating shaft 5, the line of the rotating shaft 5 at top board 2 two ends is divided into unequal two parts of weight by top board 2, electromagnetic lock 4 is fixed on window frame 3, because rotating shaft 5 is not the equilbrium position that is positioned at top board 2, therefore, top board 2 is in unbalance state, electromagnetic lock 4 is by top board 2 absorption, be top board 2 under the effect of electromagnetic lock 4 in level, and under this state by close, make rack keep certain seal, and after electromagnetic lock 4 power-off, top board 2 loses the absorption affinity of electromagnetic lock 4 to it, under the effect of unbalance and gravity, top board becomes vertical state from level gradually, open in skylight, and then can facilitate fire-suppressant gas to enter in rack fast.
Particularly, the electromagnetic lock control circuit of the present embodiment comprises power Vcc, slide rheostat Rp, resistance R 1, resistance R 2, resistance R 3, resistance R 4, Smoke Sensor W and comparator U1, a termination power Vcc of slide rheostat Rp, the in-phase input end of another termination comparator U1; After two pin A short circuits of Smoke Sensor W, connect power Vcc, one end of connecting resistance R3 after two pin B short circuits of Smoke Sensor W, the other end ground connection of resistance R 3; A termination power Vcc of the heating wire H of Smoke Sensor W, ground connection after the other end series resistor R1 of heating wire H; The pin B of one termination Smoke Sensor W of resistance R 2, the inverting input of another termination comparator U1 of resistance R 2; The in-phase input end of one termination comparator U1 of resistance R 4, the other end ground connection of resistance R 4; The positive supply termination power Vcc of comparator U1, the negative power end ground connection of comparator U1; The power input of electromagnetic lock 4 is connected with the output end vo of comparator U1.
Below in conjunction with concrete example, set forth the course of work of the electromagnetic lock control circuit in the present embodiment, Smoke Sensor is prior art, its concrete structure and operating principle are known for a person skilled in the art and are known, at this, do general introduction, Smoke Sensor has 6 pins, it is respectively the input/output terminal of two pin A, two pin B and heater strip or heater, heater provides necessary condition of work for gas sensitive element device, and two pin A and two pin B are short circuits respectively.The model of relevant components and parts or parameter are selected as follows:
Power Vcc: 5V;
Slide rheostat Rp: maximum value 10K Ω;
Resistance R 1:10K Ω, resistance R 2:10K Ω, resistance R 3:5.1K Ω, resistance R 4:5.1K Ω;
Smoke Sensor W:QM-N10;
Comparator U1:LM324.
The course of work of the electromagnetic lock control circuit of the present embodiment: regulate slide rheostat Rp, its resistance is equated with R4, be 5.1K Ω, when the equipment in rack is normally worked (non smoke in rack), not conducting of Smoke Sensor W, now, the voltage of the in-phase input end of comparator U1 is 2.5V left and right, and the anti-phase input terminal voltage of comparator U1 is the not conducting of 0(Smoke Sensor), comparator U1 exports high level, i.e. 5V, and this 5V voltage drives electromagnetic lock work, it is held top board, and rack is in air-tight state, during breaking out of fire in rack (having smog in rack), Smoke Sensor W conducting, 5V voltage is added to the inverting input of comparator U1 through resistance R 2, the voltage that is inverting input is 5V left and right, and the in-phase input end voltage of comparator U1 is the dividing potential drop of slide rheostat Rp and resistance R 4, the voltage that is in-phase input end is 2.5V left and right, now, the anti-phase input terminal voltage of comparator U1 is higher than in-phase input end voltage, comparator U1 output low level, be that output voltage is 0V, electromagnetic lock power-off is not worked, top board 2 is after losing the absorption affinity of electromagnetic lock 4, under the effect of self gravitation, open, thereby facilitate fire-suppressant gas timely, enter in rack rapidly.
As preferably, the present embodiment is defined as square structure by top board 2, window frame 3 consists of A, B, C, tetra-limits of D, the two ends of top board 2 are separately fixed on A limit and C limit, and electromagnetic lock 4 is fixed on B limit, and the distance on rotating shaft 5 to B limits is greater than rotating shaft 5 to the distance on D limit, thereby guarantee top board 2 in the situation that not being subject to external force in imbalance state, when electromagnetic lock 4 is not worked, top board 2 can rely on self gravitation and open, and facilitates fire-suppressant gas to enter rack.In addition, the position of electromagnetic lock 4 does not have specific requirement, as long as meet, can make top board 2 keep level, but in order to make top board 2 and electromagnetic lock 4 keep a preferably contact condition, in the application life that extends electromagnetic lock 4, the present embodiment is preferably fixed on electromagnetic lock 4 midpoint on B limit.
In addition, the structure of top board 2 and window frame 3 can also be other, such as circular, fan-shaped, semicircle, or even other polymorphic structure, as long as meet " top board 2 seals window frame 3 under level; and top board 2 vertically opens skylight under state, and top board 2 can rely on self gravitation automatically to open ".
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.
Claims (4)
1. a rack rotates skylight, it is characterized in that: comprise junction plate (1), top board (2), window frame (3) and electromagnetic lock (4), described junction plate (1) is fixedly connected with window frame (3), the shape of described top board (2) and size match with window frame (3), top board (2) is positioned at window frame (3), and the two ends of top board (2) are movably fixed on window frame (3) by rotating shaft (5), the line of the rotating shaft (5) at top board (2) two ends is divided into unequal two parts of weight by top board (2), and described electromagnetic lock (4) is fixed on window frame (3);
Also comprise electromagnetic lock control circuit, described electromagnetic lock control circuit comprises power Vcc, slide rheostat Rp, resistance R 1, resistance R 2, resistance R 3, resistance R 4, Smoke Sensor W and comparator U1, a termination power Vcc of described slide rheostat Rp, the in-phase input end of another termination comparator U1; After two pin A short circuits of described Smoke Sensor W, connect power Vcc, one end of connecting resistance R3 after two pin B short circuits of Smoke Sensor W, the other end ground connection of resistance R 3; A termination power Vcc of the heating wire H of described Smoke Sensor W, ground connection after the other end series resistor R1 of heating wire H; The pin B of one termination Smoke Sensor W of described resistance R 2, the inverting input of another termination comparator U1 of resistance R 2; The in-phase input end of one termination comparator U1 of described resistance R 4, the other end ground connection of resistance R 4; The positive supply termination power Vcc of described comparator U1, the negative power end ground connection of comparator U1; The power input of described electromagnetic lock (4) is connected with the output end vo of comparator U1.
2. a kind of rack according to claim 1 rotates skylight, it is characterized in that: described top board (2) is square structure, window frame (3) consists of A, B, C, tetra-limits of D, the two ends of top board (2) are separately fixed on A limit and C limit, described electromagnetic lock (4) is fixed on B limit, and described rotating shaft (5) is greater than rotating shaft (5) to the distance on D limit to the distance on B limit.
3. a kind of rack rotation according to claim 2 skylight, is characterized in that: described electromagnetic lock (4) is fixed on the midpoint on B limit.
4. a kind of rack rotation according to claim 1 skylight, is characterized in that: described top board (2) be shaped as circle, the annular that window frame (3) matches with top board for size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381214.8A CN104153680B (en) | 2014-08-06 | 2014-08-06 | A kind of rack rotates skylight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381214.8A CN104153680B (en) | 2014-08-06 | 2014-08-06 | A kind of rack rotates skylight |
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| Publication Number | Publication Date |
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| CN104153680A true CN104153680A (en) | 2014-11-19 |
| CN104153680B CN104153680B (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410381214.8A Active CN104153680B (en) | 2014-08-06 | 2014-08-06 | A kind of rack rotates skylight |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977811A (en) * | 2016-06-23 | 2016-09-28 | 李玉盛 | Intelligent power distribution system for power transmission and distribution network |
| CN107269133A (en) * | 2017-07-01 | 2017-10-20 | 北方联创通信有限公司 | Two-way rack-and-pinion pressure lock |
| CN108643743A (en) * | 2018-06-28 | 2018-10-12 | 中国矿业大学 | The fire control smoke exhausting window system of one kind of multiple opening ways |
| CN109138748A (en) * | 2017-06-27 | 2019-01-04 | 居言智能技术（上海）有限公司 | A kind of rotation skylight assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0978547A (en) * | 1995-09-14 | 1997-03-25 | Asahi Tekkosho:Kk | Hatch structure for snow insertion port of snow draining ditch or snow melting tank |
| CN2263693Y (en) * | 1995-08-17 | 1997-10-01 | 刘森 | Double-encoding electronic lock |
| CN2271186Y (en) * | 1996-11-18 | 1997-12-24 | 侯天鹏 | Automatic upper turnover door |
| CN203961665U (en) * | 2014-08-06 | 2014-11-26 | 绵阳高新区恒奥电子科技有限公司 | A kind of rotation skylight structure that is installed on enclosure top |
-
2014
- 2014-08-06 CN CN201410381214.8A patent/CN104153680B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263693Y (en) * | 1995-08-17 | 1997-10-01 | 刘森 | Double-encoding electronic lock |
| JPH0978547A (en) * | 1995-09-14 | 1997-03-25 | Asahi Tekkosho:Kk | Hatch structure for snow insertion port of snow draining ditch or snow melting tank |
| CN2271186Y (en) * | 1996-11-18 | 1997-12-24 | 侯天鹏 | Automatic upper turnover door |
| CN203961665U (en) * | 2014-08-06 | 2014-11-26 | 绵阳高新区恒奥电子科技有限公司 | A kind of rotation skylight structure that is installed on enclosure top |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977811A (en) * | 2016-06-23 | 2016-09-28 | 李玉盛 | Intelligent power distribution system for power transmission and distribution network |
| CN105977811B (en) * | 2016-06-23 | 2018-09-11 | 中铁建设集团北京工程有限公司 | A kind of intelligent power distribution cabinet for transmission and distribution networks |
| CN109138748A (en) * | 2017-06-27 | 2019-01-04 | 居言智能技术（上海）有限公司 | A kind of rotation skylight assembly |
| CN109138748B (en) * | 2017-06-27 | 2024-04-19 | 居言智能技术（上海）有限公司 | Rotary skylight assembly |
| CN107269133A (en) * | 2017-07-01 | 2017-10-20 | 北方联创通信有限公司 | Two-way rack-and-pinion pressure lock |
| CN108643743A (en) * | 2018-06-28 | 2018-10-12 | 中国矿业大学 | The fire control smoke exhausting window system of one kind of multiple opening ways |
| CN108643743B (en) * | 2018-06-28 | 2023-12-19 | 中国矿业大学 | Fire control smoke evacuation window system of multiple mode of opening |
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| Publication number | Publication date |
|---|---|
| CN104153680B (en) | 2015-12-09 |
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