CN107386811A - A kind of energy-saving control device of electromagnetic door lock - Google Patents
A kind of energy-saving control device of electromagnetic door lock Download PDFInfo
- Publication number
- CN107386811A CN107386811A CN201610325479.5A CN201610325479A CN107386811A CN 107386811 A CN107386811 A CN 107386811A CN 201610325479 A CN201610325479 A CN 201610325479A CN 107386811 A CN107386811 A CN 107386811A
- Authority
- CN
- China
- Prior art keywords
- place
- human body
- close
- entering
- contact
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 230000005764 inhibitory process Effects 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
- E05B2047/0056—Opening, closing of the circuit by sensing the presence of a person, e.g. body heat sensor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0065—Saving energy
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0067—Monitoring
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention provides a kind of energy-saving control device of electromagnetic door lock, it is characterized in that:Mechanical automatic door closer is installed on door leaf and doorframe, can self-closing doors fan when nobody passes in and out;Human body is installed respectively close to detection means at the place of entering and the place of going out region;Absorption iron plate and the electromagnet of existing electromagnetic door lock are installed respectively on door leaf and doorframe;Access controller is installed at the place of entering;The power supply of electromagnetic door lock electromagnet coil 25 by power supply 21 by access controller contact 22, enter human body close to detection means contact 23, go out place human body close to the series control of detection means contact 24;Contact 22 is connected when not meeting gate inhibition's unlocking condition;Contact 23 have human body close to when connect;Contact 24 have human body close to when disconnect.The energy-saving control device of this electromagnetic door lock, except have personnel close to door leaf enter place when electromagnet coil power produce electromagnetic force, remaining situation electromagnet coil powers off, do not consume electric energy, greatly reduce the total power consumption of electromagnetic door lock.
Description
【Technical field】
The present invention relates to electromagnetic door lock device, especially a kind of energy-saving control device of electromagnetic door lock.
【Background technology】
Existing electromagnetic door lock adds the structural shape of absorption iron plate using electromagnet mostly, is aided with access control, realizes the access and exit control of personnel.Electromagnetism
The electromagnet of door lock and absorption iron plate are installed on the door leaf and doorframe for needing locking respectively.When being passed in and out without related personnel, the magnet coil of electromagnetic door lock
It is powered and produces electromagnetic attraction, absorption iron plate is held, electromagnetic door lock locking;When thering is related personnel to pass in and out, identified by gate inhibition, temporarily control is disconnected
The power supply of electromagnetic door lock magnet coil is opened, electromagnetic attraction is disappeared, absorption iron plate can arbitrarily depart from electromagnet, and electromagnetic door lock is opened.Such electromagnetic door
Lockset has the advantages that simple in construction, easy for installation, reliable operation, therefore is widely applied.But there is also obvious for such electromagnetic door lock
Defect:(1) need to keep continuing energization when electromagnetic door lock is in locking states, power consumption is big;(2) go out more using door open button control, need
It can be opened the door by after door open button, in-convenience in use.For this:China Patent No. CN200810040417.5's《A kind of energy-conservation dress of electromagnetic door lock
Put》Proposing and utilize a set of " external force detection equipment " --- mechanical structure adds microswitch to reduce the solution of the energy consumption of electromagnetic door lock, really
Certain power consumption can be saved.But complicated in mechanical structure also be present, installation, adjustment requirement are high;When happening suddenly big external force, because of electromagnet inertia,
When electromagnetic force is also not up to maximum, door leaf may be opened, and the reliability used is not high.
【The content of the invention】
To solve the problems, such as that above-mentioned electromagnetic door lock energy consumption is big, functional reliability is not high, it is (suitable that the present invention provides a kind of energy-saving control device of electromagnetic door lock
For unidirectional gate inhibition), it is characterized in that:Mechanical automatic door closer 4 is installed on door leaf 2 and doorframe 3, can self-closing doors fan when nobody passes in and out;
Human body is installed respectively close to detection means 5 at the place of entering and the place of going out region;The absorption of existing electromagnetic door lock is installed respectively on door leaf 2 and doorframe 3
Iron plate 1 and electromagnet 6;Access controller 7 is installed at the place of entering;The power supply of electromagnetic door lock electromagnet coil 25 passes through access control by power supply 21
Device contact 22, the place's of entering human body are close to detection means contact 23, place's human body of going out close to the series control of detection means contact 24;Access controller touches
Point 22 is connected when not meeting gate inhibition's unlocking condition, is disconnected when meeting gate inhibition's unlocking condition and is remained open a bit of time;The place's of entering human body leans on
Nearly detection means contact 23 have human body close to when connect, without human body close to when disconnect;Go out and locate human body close to detection means contact 24 in someone
Body close to when disconnect, and a bit of time is remained open after human body leaves, without human body close to when connect.
The present invention also provides a kind of energy-saving control device of electromagnetic door lock (being applied to two-way gate inhibition), it is characterized in that:Pacify on door leaf 2 and doorframe 3
Mechanical automatic door closer 4 is filled, can self-closing doors fan when nobody passes in and out;The absorption of existing electromagnetic door lock is installed respectively on door leaf 2 and doorframe 3
Iron plate 1 and electromagnet 6;On door leaf two sides, the human body at the place of entering -1 and the place -2 that enters is installed close to inspection in the place of entering -1 and the region of the place of entering -2 respectively
Survey the access controller 7 at device 5 and the place of entering -1 and the place -2 that enters;The power supply of the electromagnet coil 25 of electromagnetic door lock, by entering, -1 human body leans on
Nearly detection means contact 23-1 and -2 human bodies of place of entering are in parallel close to detection means contact 23-2, then locate -1 access controller contact 22-1 with entering
After place's -2 access controller contact 22-2 series connection of entering, power supply 21 is connected to;The access controller contact 22-1 of the place of entering -1 and -2, the place that enters
Prohibit controller contact 22-2 to connect when not meeting gate inhibition's unlocking condition, disconnected when meeting gate inhibition's unlocking condition and remain open a bit of time;
The human body at the place of entering -1 close to detection means contact 23-1 and the human body of the place of entering -2 close to detection means contact 23-2 have human body close to when connect,
Without human body close to when disconnect.
The energy-saving control device of a kind of electromagnetic door lock provided by the invention, except the electromagnet coil of electromagnetic door lock when having personnel close to the place of entering of door leaf leads to
Electricity produces electromagnetic force, and the electromagnet coil of remaining situation electromagnetic door lock powers off, do not consume electric energy, greatly reduce the total power consumption of electromagnetic door lock;
Personnel are gone out simultaneously without that can be gone out by door open button, are gone out more convenient.
【Brief description of the drawings】
Fig. 1 is a kind of scheme of installation of the energy-saving control device of electromagnetic door lock.
Electrical structure schematic diagram when Fig. 2 is a kind of energy-saving control device of electromagnetic door lock unidirectional gate inhibition.
Electrical structure schematic diagram when Fig. 3 is a kind of energy-saving control device of electromagnetic door lock two-way gate inhibition.
【Embodiment】
Unidirectional gate inhibition's embodiment of a kind of energy-saving control device of electromagnetic door lock as shown in Figures 1 and 2, it is characterized in that:In door leaf 2 and doorframe
Mechanical automatic door closer 4 is installed on 3, can self-closing doors fan when nobody passes in and out;Human body is installed respectively at the place of entering and the place of going out region close to inspection
Survey device 5;Absorption iron plate 1 and the electromagnet 6 of existing electromagnetic door lock are installed respectively on door leaf 2 and doorframe 3;Access control is installed at the place of entering
Device 7;The power supply of electromagnetic door lock electromagnet coil 25 by power supply 21 by access controller contact 22, enter human body close to detection means contact 23,
Place's human body go out close to the series control of detection means contact 24;Access controller contact 22 is connected when not meeting gate inhibition's unlocking condition, in coincidence gate
Disconnect when prohibiting unlocking condition and remain open a bit of time;The place's of entering human body close to detection means contact 23 have human body close to when connect, in nothing
Human body close to when disconnect;The place's of going out human body close to detection means contact 24 have human body close to when disconnect, and it is small after human body leaves to remain open one
Section the time, without human body close to when connect.
Two-way gate inhibition's embodiment of a kind of energy-saving control device of electromagnetic door lock as shown in accompanying drawing 1 and accompanying drawing 3, it is characterized in that:In door leaf 2 and doorframe
Mechanical automatic door closer 4 is installed on 3, can self-closing doors fan when nobody passes in and out;Existing electromagnetic door lock is installed respectively on door leaf 2 and doorframe 3
Absorption iron plate 1 and electromagnet 6;On door leaf two sides, the human body at the place of entering -1 and the place -2 that enters is installed in the place of entering -1 and the region of the place of entering -2 respectively
Access controller 7 close to detection means 5 and the place of entering -1 and the place -2 that enters;The power supply of the electromagnet coil 25 of electromagnetic door lock, by entering -1
Human body is in parallel close to detection means contact 23-2 close to detection means contact 23-1 and -2 human bodies of place of entering, then is touched with the access controller of the place of entering -1
After point 22-1 and -2 access controller contact 22-2 of place that enter connects, power supply 21 is connected to;The access controller contact 22-1 of the place of entering -1 and enter
- 2 access controller contact 22-2 of place connect when not meeting gate inhibition's unlocking condition, disconnect and remain open a bit of when meeting gate inhibition's unlocking condition
Time;The human body at the place of entering -1 close to detection means contact 23-1 and the human body of the place of entering -2 close to detection means contact 23-2 have human body close to when
Connect, without human body close to when disconnect.
A kind of unidirectional gate inhibition's embodiment of energy-saving control device of electromagnetic door lock, its course of work are as shown in Figures 1 and 2:(1) nobody
During discrepancy, door leaf 2 is closed automatically in the presence of mechanical automatic door closer 4, now because place's human body of entering is disconnected close to detection means contact 23
Open, the electromagnet coil 25 of electromagnetic door lock powers off.(2) when the place of entering have human body close to when, the place's of entering human body connects close to detection means contact 23
Logical, not meeting gate inhibition's unlocking condition (access controller contact 22 is connected) and the place of going out, nobody (gos out and locates human body close to detection means contact
24 connect) in the case of, the electromagnet coil 25 of electromagnetic door lock, which is powered, produces electromagnetic force, and door leaf 2 can not be opened, and plays security effect;
If meet gate inhibition's unlocking condition (access controller contact 22 disconnects) or the place of going out someone (place's of going out human body disconnects close to detection means contact 24)
When, the electromagnet coil 25 of electromagnetic door lock powers off, and electromagnetic force disappears, and door leaf can be opened.(3) when the place of going out have human body close to when, place of going out
Human body disconnects close to detection means contact 24, and the electromagnet coil 25 of electromagnetic door lock powers off, and electromagnetic force disappears, and door leaf 2 can be opened, Wu Xuling
Luggage sets door open button switch and presses button switch enabling.
A kind of two-way gate inhibition's embodiment of energy-saving control device of electromagnetic door lock, its course of work are as shown in Figure 3:(1) during unmanned discrepancy,
Door leaf 2 is closed automatically in the presence of mechanical automatic door closer 4, this constantly due to the place -1 that enters human body close to detection means contact 23-1 and
The human body at the place of entering -2 disconnects close to detection means contact 23-2, and the electromagnet coil 25 of electromagnetic door lock powers off.(2) when the place of entering -1 or enter
Door place -2 have human body close to when, the human body at the place of entering -1 is close to detection means contact 23-1 or the human body for locating -2 of entering close to detection means contact 23-2
Connect, do not meeting gate inhibition's unlocking condition (the access controller contact 22-1 of the place of entering -1 and the access controller contact of the place of entering -2 22-2 are turned on)
In the case of, the electromagnet coil 25 of electromagnetic door lock, which is powered, produces electromagnetic force, and door leaf 2 can not be opened, and plays security effect;If coincidence gate
When prohibiting unlocking condition (the access controller contact 22-1 of the place of entering -1 or -2 access controller contact 22-2 of place that enter disconnect), the electricity of electromagnetic door lock
Magnet coil 25 powers off, and electromagnetic force disappears, and door leaf can be opened.
Claims (2)
1. a kind of energy-saving control device of electromagnetic door lock (being applied to unidirectional gate inhibition), it is characterized in that:Installed on door leaf 2 and doorframe 3 mechanically certainly
Dynamic door closer 4, can self-closing doors fan when nobody passes in and out;Human body is installed respectively close to detection means 5 at the place of entering and the place of going out region;In door leaf 2
With the absorption iron plate 1 and electromagnet 6 for installing existing electromagnetic door lock on doorframe 3 respectively;Access controller 7 is installed at the place of entering;Electromagnetic door lock electromagnetism
The power supply of iron coil 25 is close close to detection means contact 23, place's human body of going out by access controller contact 22, human body of entering by power supply 21
The series control of detection means contact 24;Access controller contact 22 is connected when not meeting gate inhibition's unlocking condition, is broken when meeting gate inhibition's unlocking condition
Open and remain open a bit of time;The place's of entering human body close to detection means contact 23 have human body close to when connect, without human body close to when disconnect;
The place's of going out human body close to detection means contact 24 have human body close to when disconnect, and a bit of time is remained open after human body leaves, without human body
Connected when close.
2. a kind of energy-saving control device of electromagnetic door lock (being applied to two-way gate inhibition), it is characterized in that:Installed on door leaf 2 and doorframe 3 mechanically certainly
Dynamic door closer 4, can self-closing doors fan when nobody passes in and out;Absorption iron plate 1 and the electricity of existing electromagnetic door lock are installed respectively on door leaf 2 and doorframe 3
Magnet 6;On door leaf two sides, the place of entering -1 and the region of the place of entering -2 are installed the human body at the place of entering -1 and the place of entering -2 close to detection means 5 and entered respectively
Door place -1 and enter locate -2 access controller 7;The power supply of the electromagnet coil 25 of electromagnetic door lock, by entering, -1 human body touches close to detection means
Point 23-1 and -2 human bodies of place of entering are in parallel close to detection means contact 23-2, then with the access controller contact 22-1 of the place of entering -1 and entering and locating -2 gate inhibitions
After controller contact 22-2 series connection, power supply 21 is connected to;The access controller contact 22-1 of the place of entering -1 and -2 access controller contact 22-2 of place that enter
Connected when not meeting gate inhibition's unlocking condition, disconnected when meeting gate inhibition's unlocking condition and remain open a bit of time;Enter place -1 human body it is close
Detection means contact 23-1 and the human body of the place of entering -2 close to detection means contact 23-2 have human body close to when connect, without human body close to when disconnect.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610325479.5A CN107386811A (en) | 2016-05-17 | 2016-05-17 | A kind of energy-saving control device of electromagnetic door lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610325479.5A CN107386811A (en) | 2016-05-17 | 2016-05-17 | A kind of energy-saving control device of electromagnetic door lock |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107386811A true CN107386811A (en) | 2017-11-24 |
Family
ID=60337827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610325479.5A Pending CN107386811A (en) | 2016-05-17 | 2016-05-17 | A kind of energy-saving control device of electromagnetic door lock |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107386811A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108691458A (en) * | 2018-05-09 | 2018-10-23 | 珠海格力电器股份有限公司 | Door lock, door lock control method and device |
CN111270911A (en) * | 2020-01-22 | 2020-06-12 | 广东快车科技股份有限公司 | Credit method and credit system for magnetic lock |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030033849A (en) * | 2001-10-25 | 2003-05-01 | 주식회사 케이코하이텍 | Electronic locking device having power management function and control method therefor |
KR20050012909A (en) * | 2003-07-25 | 2005-02-02 | 주식회사 포스코 | Transformer having safety device |
CN102063749A (en) * | 2009-11-11 | 2011-05-18 | 赖金轮 | Safety monitoring system with power saving function and power saving method thereof |
CN202815967U (en) * | 2012-08-01 | 2013-03-20 | 成都福兰特电子技术有限公司 | Subcamp access control system based on RFID (Radio Frequency Identification Technology) |
CN103186932A (en) * | 2011-12-30 | 2013-07-03 | 廖礼士 | Electromagnetic door lock vibration detection type energy-saving and power-saving device |
CN103470135A (en) * | 2013-09-12 | 2013-12-25 | 常州市科宏电子电器有限公司 | Infrared induction mechanical door |
CN205875950U (en) * | 2016-05-17 | 2017-01-11 | 上海三意自动化控制工程有限公司 | Electromagnetic door lock's energy -saving control device |
-
2016
- 2016-05-17 CN CN201610325479.5A patent/CN107386811A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030033849A (en) * | 2001-10-25 | 2003-05-01 | 주식회사 케이코하이텍 | Electronic locking device having power management function and control method therefor |
KR20050012909A (en) * | 2003-07-25 | 2005-02-02 | 주식회사 포스코 | Transformer having safety device |
CN102063749A (en) * | 2009-11-11 | 2011-05-18 | 赖金轮 | Safety monitoring system with power saving function and power saving method thereof |
CN103186932A (en) * | 2011-12-30 | 2013-07-03 | 廖礼士 | Electromagnetic door lock vibration detection type energy-saving and power-saving device |
CN202815967U (en) * | 2012-08-01 | 2013-03-20 | 成都福兰特电子技术有限公司 | Subcamp access control system based on RFID (Radio Frequency Identification Technology) |
CN103470135A (en) * | 2013-09-12 | 2013-12-25 | 常州市科宏电子电器有限公司 | Infrared induction mechanical door |
CN205875950U (en) * | 2016-05-17 | 2017-01-11 | 上海三意自动化控制工程有限公司 | Electromagnetic door lock's energy -saving control device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108691458A (en) * | 2018-05-09 | 2018-10-23 | 珠海格力电器股份有限公司 | Door lock, door lock control method and device |
CN108691458B (en) * | 2018-05-09 | 2020-01-24 | 珠海格力电器股份有限公司 | Door lock, door lock control method and device |
US12000175B2 (en) | 2018-05-09 | 2024-06-04 | Gree Electric Appliances, Inc. Of Zhuhai | Door lock, door lock controlling method and door lock controlling device |
CN111270911A (en) * | 2020-01-22 | 2020-06-12 | 广东快车科技股份有限公司 | Credit method and credit system for magnetic lock |
CN111270911B (en) * | 2020-01-22 | 2021-09-21 | 广东快车科技股份有限公司 | Credit granting method and credit granting system for magnetic lock |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102606008B (en) | A kind of cabinet type device door lock system control method | |
CN101302904B (en) | Method and device for saving energy of electromagnetic door lock | |
CN104328950B (en) | A kind of low-power consumption safe electronic lock | |
MY167739A (en) | Electromagnetic doorlock with shock detection and power saving device | |
CN206071312U (en) | A kind of personnel channel's door safety interlocking gate inhibition's device | |
CN109594861A (en) | A kind of electromagnetic lock that automatic cut-off protection is held | |
CN205638019U (en) | Timber of making an uproar falls in electromagnetism | |
CN107386811A (en) | A kind of energy-saving control device of electromagnetic door lock | |
CN204515895U (en) | Transformer station's finger-print type emergency release key management box | |
CN105696891A (en) | Electromagnetic noise reducing wood door | |
CN205875950U (en) | Electromagnetic door lock's energy -saving control device | |
CN103195302B (en) | A kind of locomotive electric control door lock | |
CN105976483B (en) | High-Voltage Experimentation room intelligent security guard control device | |
CN203008569U (en) | Energy-saving magnetic lock | |
CN205959261U (en) | High -pressure experiment room intelligent security management and control device | |
CN204754670U (en) | Hyperbaric chamber emergency exits | |
CN104681328B (en) | A kind of electric operation case | |
CN202544895U (en) | Pneumatic locking device | |
CN207583107U (en) | A kind of magnetic key operated lock door control system | |
CN105952273B (en) | Closeable lock cylinder, digital door lock and closing method thereof | |
CN205349001U (en) | Lock control module | |
CN206128899U (en) | From locking -type monitoring room door | |
CN103552534A (en) | Automatic unlocking and window-opening device for powered-off vehicle | |
CN204175048U (en) | A kind of low-power consumption safe electronic lock | |
CN105484605A (en) | Control system and method for fire lobby |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171124 |
|
WD01 | Invention patent application deemed withdrawn after publication |