CN2536731Y - Automatic fire-proof door releasing devices - Google Patents
Automatic fire-proof door releasing devices Download PDFInfo
- Publication number
- CN2536731Y CN2536731Y CN02216825U CN02216825U CN2536731Y CN 2536731 Y CN2536731 Y CN 2536731Y CN 02216825 U CN02216825 U CN 02216825U CN 02216825 U CN02216825 U CN 02216825U CN 2536731 Y CN2536731 Y CN 2536731Y
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magnetic pole
- unshakable
- determination
- electromagnetic coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Special Wing (AREA)
Abstract
The utility model relates to an automatic release device for fire doors, comprising a casing and an electromagnet formed by an electromagnetic coil and an iron core and fixedly arranged in the casing. The utility model is characterized in that a permanent magnet is fixedly arranged on the iron core at one end of the electromagnetic coil; the magnetic field direction of the permanent magnet is opposite to the magnetic field direction generated by the electromagnet. The utility model has the advantages of no electric consumption at peacetime, energy saving, compact size, simple structure, convenient installation, debugging and maintenance, small power (DC 24 V/180 mA), short action time, completely reliable action with fire fighting control level signals and no environmental pollution with the permanent magnet.
Description
Technical field
The utility model relates to the labeled door releasing device, particularly a kind ofly often opens the magnetic that labeled door uses and keeps automatic opener.
Background technology
In the prior art, often open the used automatic opener of labeled door, two kinds of suction of electromagnetic type normal open electric switch and mechanical type magnetictrips are generally arranged.The former is the normal open electricity in working order down, and its operating voltage is DC24V, and needs other distribution transforming repoussage current control link.This electromagnetic type normal open electric switch is inhaled owing to need the normal open electricity, therefore consumes energy, and fragile, application life is not long, and does not have the instructs node of feedback in control system, and Fire Services Communication Centre can't monitor whether labeled door is released and close.The latter, complex structure, use, installation, maintenance, debugging are all inconvenient, operating power big (voltage is DC24V/0.8A), and need add transformation rectification link, and reliable in action is poor, and application life is short.
Summary of the invention
Technical problem to be solved in the utility model is to overcome existing defective in the above-mentioned prior art, a kind of not electricity consumption at ordinary times is provided, only close receiving that the control that disappears discharges door under could the effect at door closer during signal instruction reliably, can send the automatic releasing device of labeled door of feedback signal simultaneously.
The utility model has adopted following technical proposal to solve its technical problem: the automatic releasing device of a kind of labeled door, comprise housing, be fixedly equipped with in this housing by electromagnetic coil and the electromagnet that is constituted unshakable in one's determination, it is characterized in that: a permanent magnet is fixedly installed on the iron core of electromagnetic coil one end, and the magnetic direction of this permanent magnet is opposite with the magnetic direction that electromagnet is produced.
Good effect of the present utility model is: not power consumption at ordinary times, and energy-conservation; Volume is little, simple in structure, brings convenience for installation, debugging, maintenance; Power little (DC24V/180mA), actuation time is short, with the control level signal energy action message fully that disappears, uses the permanent magnet non-environmental-pollution.
Description of drawings
Accompanying drawing is the utility model structural representation.
The body embodiment
Come the utility model is further described below in conjunction with accompanying drawing and embodiment.
With reference to accompanying drawing, the utility model comprises housing 8, is fixedly equipped with in this housing 8 by electromagnetic coil 7 and 12 electromagnet that constituted unshakable in one's determination.12 central authorities unshakable in one's determination are provided with a through hole, and thimble 14, spring 9, adjustment screw 13 are placed among the through hole, and an end of thimble 14 stretches out unshakable in one's determination 12 end.
One permanent magnet 15 is fixedly installed on the iron core 12 of electromagnetic coil 7 one ends, and the magnetic direction of this permanent magnet 15 is opposite with the magnetic direction that electromagnet is produced.One magnetic pole of permanent magnet 15 is connected with unshakable in one's determination 12, then is connected mutually with a magnetic pole outer cover 16 with magnetic pole in addition, and this magnetic pole outer cover 16 is nested with on unshakable in one's determination 12.
Unshakable in one's determination 12 with permanent magnet 15 and magnetic pole outer cover 16 between, all be equipped with magnetic partiting ring 10 between electromagnetic coil 7 and iron core 12 and the magnetic pole outer cover 16.The outside at magnetic pole outer cover 16 also is equipped with microswitch 6.
The utility model is at ordinary times, and the magnetic line of force of inner Tibetan permanent magnet 15 forms closed magnetic circuits through movable sucker 4 and the magnetic pole outer cover of often opening on the labeled door 16 again, thereby labeled door is held by iron core 12, makes it be in normally open.And when receiving the level signal (DC24V) that send at the control center that disappears, then electromagnetic coil 7 has electric current by the magnetic force that forms reverse magnetic force and permanent magnet 15 cancel out each other (or weakening), under the effect of center thimble 14, sucker 4 is ejected, this moment, labeled door was closed door under the effect of door closer, played the fire damping effect.
The utility model at inner setting the transfer contact microswitch 6 of interlock,, after under the effect of labeled door at door closer door being closed, microswitch 6 effects are cut off the electricity supply, and signal feedback are provided for simultaneously the control center that disappears, thereby play the supervision effect.
Lean on the wall-mounted type and the door unlatching back of wall to adorn two kinds of formulas the utility model can adopt a unlatching when specifically installing after, when land used dress formula, the releasing device main body can be fixed on the additional installing plate 17 with screw apart from wall ground far away.
Claims (5)
1, the automatic releasing device of a kind of labeled door, comprise housing, be fixedly equipped with in this housing by electromagnetic coil and the electromagnet that is constituted unshakable in one's determination, it is characterized in that: a permanent magnet is fixedly installed on the iron core of electromagnetic coil one end, and the magnetic direction of this permanent magnet is opposite with the magnetic direction that electromagnet is produced.
2, the automatic releasing device of labeled door according to claim 1, it is characterized in that: central authorities unshakable in one's determination are provided with a through hole, and thimble, spring, adjustment screw are placed among the through hole, and an end of thimble stretches out end unshakable in one's determination.
3, the automatic releasing device of labeled door according to claim 1 is characterized in that: a magnetic pole of permanent magnet is connected with unshakable in one's determination, then is connected mutually with a magnetic pole outer cover with magnetic pole in addition, and this magnetic pole outer cover is nested with on iron core.
4, according to claim 1 or the automatic releasing device of 3 described labeled doors, it is characterized in that: between unshakable in one's determination and permanent magnet and the magnetic pole outer cover, all be equipped with magnetic partiting ring between electromagnetic coil and iron core and the magnetic pole outer cover.
5, the automatic releasing device of labeled door according to claim 1 is characterized in that: the outside at the magnetic pole outer cover also is equipped with microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02216825U CN2536731Y (en) | 2002-04-16 | 2002-04-16 | Automatic fire-proof door releasing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02216825U CN2536731Y (en) | 2002-04-16 | 2002-04-16 | Automatic fire-proof door releasing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2536731Y true CN2536731Y (en) | 2003-02-19 |
Family
ID=33695757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02216825U Expired - Fee Related CN2536731Y (en) | 2002-04-16 | 2002-04-16 | Automatic fire-proof door releasing devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2536731Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767322A (en) * | 2012-08-06 | 2012-11-07 | 葛洪正 | Thermo-sensitive magnetic releaser of fireproof door |
| CN115288591A (en) * | 2022-08-19 | 2022-11-04 | 北京华祺洋消防安全有限公司 | Fire door is prevented to passageway with novel door-inhale |
-
2002
- 2002-04-16 CN CN02216825U patent/CN2536731Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767322A (en) * | 2012-08-06 | 2012-11-07 | 葛洪正 | Thermo-sensitive magnetic releaser of fireproof door |
| CN115288591A (en) * | 2022-08-19 | 2022-11-04 | 北京华祺洋消防安全有限公司 | Fire door is prevented to passageway with novel door-inhale |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2553494Y (en) | Permanent-magnet separation tripping device | |
| CN2536731Y (en) | Automatic fire-proof door releasing devices | |
| CN201282065Y (en) | Permanent magnet AC vacuum contactor | |
| CN112134076B (en) | Network interface conveniently-dropping mechanism based on intelligent manufacturing technology | |
| CN201465880U (en) | Vacuum feed switch with bistable double-coil permanent magnet mechanism | |
| CN109659200B (en) | Permanent magnet type magnetic latching mechanism | |
| CN210223829U (en) | Mechanical interlocking structure for preventing control cabinet door from being opened in electrified state | |
| CN2582152Y (en) | Switch multi-point controller | |
| CN208764334U (en) | A kind of gas pipeline sealing valve with backup power source | |
| CN2231740Y (en) | Thixotropic bistable electric pneumatic valve | |
| CN214956562U (en) | Energy-saving high-voltage direct-current magnetic latching relay switch device | |
| CN205564627U (en) | Permanent magnetism operating device's manual minute brake gear | |
| CN2558067Y (en) | Single polar low-voltage ac vacuum contactor | |
| CN219498733U (en) | Magnetic control normal pressure cabinet | |
| CN219759473U (en) | Overcurrent relay | |
| CN214699220U (en) | Integrated cut-off valve for gas system | |
| CN204407261U (en) | A kind of intelligent contactor | |
| CN213878001U (en) | Transmission mechanism of permanent magnet circuit breaker | |
| CN213093144U (en) | Energy-saving self-holding position relay | |
| CN2392558Y (en) | Normal-open electric-controlled fire-retardant door | |
| CN209929237U (en) | Relay for general aircraft | |
| CN2358550Y (en) | Pulse contactor | |
| CN2423651Y (en) | Permanent-magnetic vacuum circuit breaker | |
| CN217606743U (en) | Electromagnetic mechanism for vacuum circuit breaker | |
| CN2404969Y (en) | Electromagnetic door lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030219 Termination date: 20110416 |