CN101302904B - Method and device for saving energy of electromagnetic door lock - Google Patents
Method and device for saving energy of electromagnetic door lock Download PDFInfo
- Publication number
- CN101302904B CN101302904B CN2008100404175A CN200810040417A CN101302904B CN 101302904 B CN101302904 B CN 101302904B CN 2008100404175 A CN2008100404175 A CN 2008100404175A CN 200810040417 A CN200810040417 A CN 200810040417A CN 101302904 B CN101302904 B CN 101302904B
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- door lock
- electromagnetic
- electromagnetic door
- electromagnet
- external force
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- 238000000034 method Methods 0.000 title abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000004134 energy conservation Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
- E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a method for the energy saving of an electromagnetic lock and a device thereof, which is characterized in that: on the basis of the existing electromagnetic lock, a set of 'external force detecting device' is added for detecting whether the electromagnetic lock is applied with the external force of opening the lock; a 'current control circuit' is added, which can control the current magnitude of a magnet coil according to the signal of the 'external force detecting device'. When the electromagnetic lock is not applied with the external force of opening the lock, an 'electromagnetic lock control power source' provides extremely small current for the magnet coil of the electromagnetic lock by the 'current control circuit', produces extremely small electromagnetic force and causes the electromagnetic lock to be kept closed, so as to achieve the purpose of saving energy; when the electromagnetic lock is applied with the external force of opening the lock, the 'electromagnetic lock control power source' provides rated current for the magnet coil of the electromagnetic lock by the 'current control circuit' and produces rated electromagnetic force to resist against the external force of opening the lock so as to achieve the purpose of safety.
Description
[technical field]
The present invention relates to a kind of electromagnetic door lock, especially a kind of power-economizing method of electromagnetic door lock and device.
[background technology]
Existing electromagnetic door lock adopts electromagnet to add the structural shape that adsorbs iron plate mostly, and electromagnet and absorption iron plate are installed in respectively on two objects that need locking.When electromagnetic coil is switched on, produce electromagnetic attraction, will adsorb iron plate holding, the electromagnetic door lock locking; Electromagnetic attraction disappears when electromagnetic coil cuts off the power supply, and absorption iron plate can arbitrarily break away from electromagnet, and electromagnetic door lock is opened.Therefore the advantages such as that this type of electromagnetic door lock has is simple in structure, easy for installation, reliable operation are used widely.But this type of electromagnetic door lock also exists obvious defective---need keep when electromagnetic door lock is in locking states continuing energising, energy consumption is large." magnetic padlock " of Chinese patent application numbers 200510045781.7 proposed to utilize permanent magnet to substitute electromagnet to carry out locking for this reason, utilize electromagnet to produce the solution of unblanking with the electromagnetic push of permanent magnet same polarity, solved preferably the large problem of existing magnetic padlock energy consumption.But " magnetic padlock " in case in the unblank way of the fortuitous events such as not mentioned electromagnet coil short circuit, open circuit, system cut-off when occuring, do not meet " the 6.5.1.4 electric control lock manual opening function: when active and standby power supply simultaneously cut off the power supply, should possess can implement the function of manually unblanking of People's Republic of China's industry standards of public safety " building residence intercom system and electric control burglar-proof door general technical specifications " in (GA/T72-2005).Thereby " may cause other danger that (such as fire time escape etc.) occurs.
[summary of the invention]
As everyone knows, electromagnet is not entering in the magnetically saturated situation, and its electromagnetic force is directly proportional with the number of ampere turns of electromagnetic coil, and for same electromagnet, its electromagnetic force is directly proportional with the electric current by this electromagnet coil.In other words, the larger then energy consumption of electromagnetic force is larger, on the contrary Energy Intensity Reduction.Existing electromagnetic door lock is in order to ensure safety, and that all electromagnetic force is designed is very large, so energy consumption is also very large.But in actual use, when door lock is in blocking, want to open it if there is no external force this moment, so the size of the electromagnetic force contribution and the it makes no odds that keep blocking to do to door lock; If being arranged, external force wants to open electromagnetic door lock, so when external force during less than the electromagnetic force of electromagnetic door lock, door lock can keep blocking, otherwise, when external force during greater than the electromagnetic force of electromagnetic door lock, door lock will be opened by force, and at this moment the size of electromagnetic force has played vital effect to the safety of door lock.
Actual condition according to electromagnetic door lock, simultaneously for solving the above-mentioned large problem of electromagnetic door lock energy consumption, the invention provides a kind of power-economizing method of electromagnetic door lock, it is characterized in that: on the basis of existing electromagnetic door lock, increase by a cover " outer force checking device ", this device is to detect the device whether electromagnetic door lock is subject to opening the external force of door lock, and this device is power sensor or with microswitch or the approach switch of frame for movement; Increase by one " current control circuit ", this circuit is can be according to the circuit of the signal controlling electromagnetic door lock electromagnet coil current size of " outer force checking device ".When electromagnetic door lock is not subject to opening the external force of door lock, " outer force checking device " no signal is exported to " current control circuit ", " electromagnetic door lock control power supply " offers the very little electric current of electromagnetic door lock electromagnet coil by " current control circuit " at this moment, produce very little electromagnetic force, make electromagnetic door lock keep blocking, thereby reach energy-conservation purpose; When electromagnetic door lock is subject to opening the external force of door lock, " outer force checking device " has signal to export to " current control circuit ", " electromagnetic door lock control power supply " offers electromagnetic door lock electromagnet coil rated current by " current control circuit " at this moment, produce specified electromagnetic force and resist the external force of opening door lock, thereby reach safe purpose.
The present invention also provides a kind of energy saver of electromagnetic door lock, it is characterized in that: on the basis of existing electromagnetic door lock, but the installation of electromagnet is used instead the structure of fine motion, realize the function of " outer force checking device ", whole frame for movement is comprised of locknut 1, setscrew nut 2, back-moving spring 3, stressed sense switch 4, connecting bolt 5, baffle plate 6, doorframe (or installing rack) 7, beam 8, electromagnet 9, absorption iron plate 10, door leaf (or installing rack) 11, absorption iron plate securing member 12 etc.; In the loop of electromagnet coil 21 power supplies, add energy-conservation resistance 22, stressed sense switch electric contact 23 etc. at electromagnetic door lock control power supply 24, form " current control circuit ".
A kind of operating principle of energy saver of electromagnetic door lock: (one) is in blocking at electromagnetic door lock, electromagnetic door lock control power supply 24 amount of exports fixed working voltages, (1) when door leaf is not subject to opening the external force of door lock, because the effect of back-moving spring 3, baffle plate 6 is upspring, make stressed sense switch 4 be in reset mode, stressed sense switch electric contact 23 is in off-state, electromagnetic door lock control this moment power supply 24 is powered to electromagnet coil 21 by energy-conservation resistance 22, electromagnet is in the energy conservation state, and generation can be kept the electromagnetic force that door is in blocking; (2) when door leaf is subject to opening the external force of door lock, external force is by door leaf (or installing rack) 11, absorption iron plate securing member 12, absorption iron plate 10, the electromagnetism absorption affinity of 9 pairs of absorption of electromagnet iron plate 10, electromagnet 9, connecting bolt 5, setscrew nut 2, baffle plate 6 grades are applied on the back-moving spring 3, back-moving spring 3 is in the effect lower compression distortion of external force, baffle plate 6 displacements make stressed sense switch 4 be in operating state, corresponding stressed sense switch electric contact 23 is in on-state, electromagnetic door lock control this moment power supply 24 is directly powered to electromagnet coil 21 by stressed sense switch electric contact 23, electromagnet is in the nominal operation state, produce specified electromagnetic force, open the external force of door lock with opposing, guarantee the safety of electromagnetic door lock.(2) when electromagnetic door lock is in normal unlocking condition or the state of emergency, the output voltage of electromagnetic door lock control power supply 24 is zero, and the electromagnet coil no current passes through, and the electromagnetism absorption affinity is zero, but this moment door leaf with freely openable.
The present invention can under the prerequisite of guaranteeing existing electromagnetic door lock safety, reduce the energy consumption of electromagnetic door lock greatly.
[description of drawings]
Fig. 1 is a kind of control block diagram of power-economizing method of electromagnetic door lock.
Fig. 2 is a kind of frame for movement schematic diagram of energy saver of electromagnetic door lock.
Fig. 3 is a kind of electrical structure schematic diagram of energy saver of electromagnetic door lock.
[specific embodiment]
A kind of control block diagram of power-economizing method of electromagnetic door lock as shown in Figure 1, when electromagnetic door lock is not subject to opening the external force of door lock, " outer force checking device " no signal is exported to " current control circuit ", " electromagnetic door lock control power supply " offers the very little electric current of electromagnetic door lock electromagnet coil by " current control circuit " at this moment, produce very little electromagnetic force, make electromagnetic door lock keep blocking, thereby reach energy-conservation purpose; When electromagnetic door lock is subject to opening the external force of door lock, " outer force checking device " has signal to export to " current control circuit ", " electromagnetic door lock control power supply " offers electromagnetic door lock electromagnet coil rated current by " current control circuit " at this moment, produce specified electromagnetic force and resist the external force of opening door lock, thereby reach safe purpose.
The frame for movement schematic diagram of the preferred embodiment of the energy saver of a kind of electromagnetic door lock as shown in Figure 2, on the basis of existing electromagnetic door lock, but the installation of electromagnet 9 is used instead the structure of fine motion, namely not that electromagnet 9 directly is fixed on the doorframe (or installing rack), but by connecting bolt 5, locknut 1, setscrew nut 2, baffle plate 6, back-moving spring 3 electromagnet 9 same doorframes (or installing rack) 7 are connected.Electromagnet 9 can produce certain displacement when being subject to external force like this, goes to promote stressed sense switch 4 actions thereby drive baffle plates 6 by connecting bolt 5, setscrew nut 2, detects the purpose whether electromagnetic door lock is subject to opening the external force of door lock thereby reach.
Locknut 1, setscrew nut 2 and connecting bolt 5 cooperate to be regulated the elastic force of back-moving spring 3, and to reach the needs of normal operation, the while can be kept the parameter constant (locking) after the adjusting.
Back-moving spring 3 is a Compress Spring or block rubber, moves whole door leaf to close fully the required power in position when the elastic force such as diagram shape (position) time should be greater than static state; Be reduced to the electromagnetic force that produces when elastic force before baffle plate 6 touches doorframe (or installing rack) 7 should be operated in power save mode less than electromagnet 9 at pressurized.
Stressed sense switch 4 is a microswitch or approach switch, should be in the Spontaneous release state such as the figure position time; Before baffle plate 6 touched doorframe (or installing rack) 7, stressed sense switch 4 must be in the effective action state on electric; After baffle plate 6 touched doorframe (or installing rack) 7, stressed sense switch 4 must be in the effective action state on electric, and mechanically was in the permission actuating range (can not cause stressed sense switch 4 to be subject to mechanical damage).
Beam 8 is made its effect by highly elastic material: the one, after reducing electromagnet 9 and replied by external force to the impact shock of doorframe (or installing rack) 7; Can make simultaneously electromagnet 9 better with the applying degree of the contact surface of absorption iron plate 10.
The electrical structure schematic diagram of the preferred embodiment of the energy saver of a kind of electromagnetic door lock as shown in Figure 3, on the basis of existing electromagnetic door lock, the power supply mode of electromagnet coil 21 is changed, between electromagnetic door lock control power supply 24 is with electromagnet coil 21, sealed in energy-conservation resistance 22, at energy-conservation resistance 22 two ends and connect stressed sense switch electric contact 23, by changing the on off operating mode of stressed sense switch electric contact 23, reach the purpose of control electromagnetic door lock electromagnet coil current size.
The selection of energy-conservation resistance 22 resistances: sealed in energy-conservation resistance 22 between electromagnetic door lock control power supply 24 is with electromagnet coil 21 after, the electromagnetism absorption affinity that electromagnet 9 and absorption iron plate 10 are produced is reduced to baffle plate 6 greater than back-moving spring 3 at pressurized and touches 7 o'clock elastic force of doorframe (or installing rack).
Stressed sense switch electric contact 23 is relay/touch switch or contactless electronic beam switch.
Now by reference to the accompanying drawings 2 and the course of work of the preferred embodiment of the energy saver of 3 pairs of a kind of electromagnetic door locks of accompanying drawing do one and describe:
(1) when electromagnetic door lock is in blocking, electromagnetic door lock control power supply 24 amount of exports fixed working voltages, (1) when door leaf is not subject to opening the external force of door lock, because the effect of back-moving spring 3, baffle plate 6 is upspring, make stressed sense switch 4 be in reset mode, stressed sense switch electric contact 23 is in off-state, electromagnetic door lock control this moment power supply 24 is powered to electromagnet coil 21 by energy-conservation resistance 22, electromagnet is in the energy conservation state, and generation can be kept the electromagnetic force that door is in blocking; (2) when door leaf is subject to opening the external force of door lock, external force is by door leaf (or installing rack) 11, absorption iron plate securing member 12, absorption iron plate 10, the electromagnetism absorption affinity of 9 pairs of absorption of electromagnet iron plate 10, electromagnet 9, connecting bolt 5, setscrew nut 2, baffle plate 6 grades are applied on the back-moving spring 3, back-moving spring 3 is in the effect lower compression distortion of external force, baffle plate 6 makes stressed sense switch 4 be in operating state, corresponding stressed sense switch electric contact 23 is in on-state, electromagnetic door lock control this moment power supply 24 is directly powered to electromagnet coil 21 by stressed sense switch electric contact 23, electromagnet is in the nominal operation state, produce specified electromagnetic force, open the external force of door lock with opposing.
(2) when electromagnetic door lock is in normal unlocking condition, the output voltage of electromagnetic door lock control power supply 24 is zero, and the electromagnet coil no current passes through, and the electromagnetism absorption affinity is zero, but this moment door leaf with freely openable.
Claims (5)
1. the energy saver of an electromagnetic door lock, it is characterized in that: on the basis of existing electromagnetic door lock, but the installation of electromagnet is used instead the structure of fine motion, realize the function of " outer force checking device ", whole frame for movement is by locknut (1), setscrew nut (2), back-moving spring (3), stressed sense switch (4), connecting bolt (5), baffle plate (6), doorframe (7), beam (8), electromagnet (9), absorption iron plate (10), door leaf (11), absorption iron plate securing member (12) forms; In the loop of electromagnet coil (21) power supply, add energy-conservation resistance (22), stressed sense switch electric contact (23) at electromagnetic door lock control power supply (24), form " current control circuit ".
2. the energy saver of a kind of electromagnetic door lock as claimed in claim 1, it is characterized in that: locknut (1), setscrew nut (2) and connecting bolt (5) cooperate to be regulated the elastic force of back-moving spring (3), to reach the needs of normal operation, the while can be kept the parameter constant after the adjusting.
3. the energy saver of a kind of electromagnetic door lock as claimed in claim 1, it is characterized in that: back-moving spring (3) is a Compress Spring, block rubber.
4. the energy saver of a kind of electromagnetic door lock as claimed in claim 1, it is characterized in that: stressed sense switch (4) is a microswitch, approach switch.
5. the energy saver of a kind of electromagnetic door lock as claimed in claim 1, it is characterized in that: stressed sense switch electric contact (23) is relay/touch switch, contactless electronic beam switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100404175A CN101302904B (en) | 2008-07-10 | 2008-07-10 | Method and device for saving energy of electromagnetic door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100404175A CN101302904B (en) | 2008-07-10 | 2008-07-10 | Method and device for saving energy of electromagnetic door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101302904A CN101302904A (en) | 2008-11-12 |
| CN101302904B true CN101302904B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100404175A Expired - Fee Related CN101302904B (en) | 2008-07-10 | 2008-07-10 | Method and device for saving energy of electromagnetic door lock |
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| Country | Link |
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| CN (1) | CN101302904B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201104630A (en) * | 2009-07-27 | 2011-02-01 | Jin-Lun Lai | Security monitoring system with saving power and method thereof |
| TWM443740U (en) * | 2012-03-02 | 2012-12-21 | Li-shi LIAO | Button sensing energy saving device of electromagnetic door lock |
| FR3007445B1 (en) * | 2013-06-20 | 2015-06-26 | Li-Shih Liao | ELECTROMAGNETIC DOOR LATCHING DEVICE WITH TRIGGER DETECTION AND ENERGY SAVING DEVICE |
| CN105257106A (en) * | 2015-07-29 | 2016-01-20 | 珠海格力电器股份有限公司 | Control circuit, control method and device of electromagnetic lock and disinfection cabinet |
| CN105927062A (en) * | 2016-05-05 | 2016-09-07 | 邬晨燚 | Magnetic handcuff |
| CN108590329A (en) * | 2016-06-28 | 2018-09-28 | 蒋爱君 | A kind of method of electromagnetic type wall upper railings sand-proof |
| CN108612400A (en) * | 2016-06-28 | 2018-10-02 | 蒋爱君 | There is the windproof method for determining sand of the adjustable reinforced enclosure of gauze on electromagnetic type wall |
| CN106368517A (en) * | 2016-09-19 | 2017-02-01 | 中国航空工业集团公司沈阳飞机设计研究所 | Cabin door electromagnetic lock for aviation |
| CN106939736B (en) * | 2017-04-14 | 2022-07-12 | 珠海优特物联科技有限公司 | Electronic lock and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099799U (en) * | 1991-05-04 | 1992-03-25 | 许一声 | electronic lock latch |
| EP0818596A2 (en) * | 1996-07-12 | 1998-01-14 | Abloy Oy | Current switch arrangement for an electromechanical locking unit |
| CN2310842Y (en) * | 1996-11-22 | 1999-03-17 | 张宗志 | Improved safety magnetic door lock |
| EP0882167B1 (en) * | 1996-02-22 | 1999-09-22 | Albert Maurer | Method of securing against theft of goods and device for carrying out said method |
-
2008
- 2008-07-10 CN CN2008100404175A patent/CN101302904B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099799U (en) * | 1991-05-04 | 1992-03-25 | 许一声 | electronic lock latch |
| EP0882167B1 (en) * | 1996-02-22 | 1999-09-22 | Albert Maurer | Method of securing against theft of goods and device for carrying out said method |
| EP0818596A2 (en) * | 1996-07-12 | 1998-01-14 | Abloy Oy | Current switch arrangement for an electromechanical locking unit |
| CN2310842Y (en) * | 1996-11-22 | 1999-03-17 | 张宗志 | Improved safety magnetic door lock |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平4-350277A 1992.12.04 |
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| CN101302904A (en) | 2008-11-12 |
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Owner name: SHANGHAI 3E BUILDING INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: SHI YOUDI Effective date: 20140616 |
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Effective date of registration: 20140616 Address after: 703 room 396, Jinling East Road, Shanghai, 200021 Patentee after: Shanghai Sanyi Automatic Control Engineering Co.Ltd Address before: 200442 Shanghai City, Baoshan District Hua Ling Road 1581 Lane 49, Room 502 Patentee before: Shi Youdi |
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