JP3937867B2 - Electric lock - Google Patents

Electric lock Download PDF

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Publication number
JP3937867B2
JP3937867B2 JP2002048811A JP2002048811A JP3937867B2 JP 3937867 B2 JP3937867 B2 JP 3937867B2 JP 2002048811 A JP2002048811 A JP 2002048811A JP 2002048811 A JP2002048811 A JP 2002048811A JP 3937867 B2 JP3937867 B2 JP 3937867B2
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JP
Japan
Prior art keywords
lock
detection
output
locking
unlocked
Prior art date
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Expired - Lifetime
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JP2002048811A
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Japanese (ja)
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JP2003148014A (en
Inventor
昌幸 橋本
真治 足立
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Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to JP2002048811A priority Critical patent/JP3937867B2/en
Publication of JP2003148014A publication Critical patent/JP2003148014A/en
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Publication of JP3937867B2 publication Critical patent/JP3937867B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は電気錠、殊にシリンダーを有して鍵やサムターンによる機械的開閉も可能となっている電気錠に関するものである。
【0002】
【従来の技術】
電気錠で鍵による機械的開閉のためのシリンダーを有していないものは、いわゆるピッキングによる解錠がなされることがないために防犯上はきわめて有利であるが、AC100V電源で電源供給を行うものでは、停電時に家屋からの締め出しが生じることがあり、停電補償用バッテリを付設しているものでもバッテリ故障の際に締め出しが懸念される。乾電池を電源とするとともに電池切れ間近になれば警告を行う機能を備えたものもあるが、これにしても警告を放置してしまった時や、警告手段そのものが異常をきたした時、締め出しが生じてしまうおそれがある。
【0003】
一方、シリンダーを有して鍵による開閉も可能となっている電気錠は、停電時には鍵によって開閉を行うことができるために、締め出しが生じてしまうおそれはないが、ピッキングによる解錠がなされてしまう可能性があることから、防犯上で問題がある。
【0004】
【発明が解決しようとする課題】
このために、シリンダーを有して鍵による開閉も可能となっている電気錠では、電気的開閉が可能で且つ鍵による開閉も可能な少なくとも2つの錠部を設けたものが提供されている。
【0005】
しかし、錠部が2つあるとはいえ、いずれもピッキングによって解錠が可能なものであることから防犯上での問題を依然として有しており、停電時の締め出しの問題を無くしつつ、防犯上の安全性をさらに高くしたものが望まれている。
【0007】
本発明はこのような点に鑑みなされたものであって、その目的とするところは鍵による開閉も可能であるとともに防犯上の安全性も高い電気錠を提供するにある
【0008】
【課題を解決するための手段】
しかして本発明は、電気的開閉が可能で且つ鍵による機械的開閉も可能な少なくとも2つの錠部を備えた電気錠において、各錠部の開閉状態を検知する検知手段と、この検知手段によるいずれかの錠部の解錠検知出力から所定時間内に他の錠部の解錠検知出力が入らない時に解錠された錠部を電気的に施錠する制御手段を備えていることに特徴を有している。
【0009】
上記制御手段は、電気的施錠時に検知手段から施錠検知出力が出力されない時や、電気的駆動部の状態を検知する検知部材による異常検知出力時に警報を出力するものであることが好ましい。
【0012】
【発明の実施の形態】
以下本発明を実施の形態の一例に基づいて詳述すると、図2に示すように、この電気錠は、デッドボルト11と、鍵穴120を有してその回転でデッドボルト11を出没させるシリンダー12と、シリンダー12を電気的に回転させる駆動部13とからなる錠部1を2つ備えたもので、各錠部1,1には夫々施錠状態にあるか解錠状態にあるかを検知する検知手段14,14が設けられている。そして上記2つの駆動部13,13及び2つの検知手段14,14は、制御回路2に接続されている。図中20は施解錠スイッチ、21は電源部、4は警報装置である。
【0013】
上記制御回路2は、施解錠スイッチ20による解錠入力があれば、2つの錠部1,1の各駆動部13,13を駆動して解錠を行うとともに、施解錠スイッチ20による施錠入力があれば、2つの錠部1,1の各駆動部13,13を駆動して施錠を行う。
【0014】
また、鍵穴120に鍵を差し込んでシリンダー12を回転させることで施解錠を行う時、制御回路2は次の制御を行う。すなわち、鍵による2つの錠部1,1の解錠は時間差をおいて行われることになるが、図1に示すように、一方の錠部1の解錠がなされて検知手段14による解錠検知出力が制御回路2に入った時点で制御回路2は時間カウントを開始する。そして所定時間t1内にもう一方の錠部1の解錠がなされて検知手段14による解錠検知出力が制御回路2に入らなければ、制御回路2は既に解錠されている錠部1の駆動部13に施錠出力を出して施錠させる。
【0015】
鍵による2つの錠部1,1の開閉は、短い時間内に完了させることができるとともに、一方の錠部1のみを解錠した状態が長時間継続することはないのに対して、ピッキングによって解錠する場合、短時間内に2つの錠部1,1を共に解錠することは困難であり、一方の錠部1のみを解錠した状態が長時間継続することになる。従って、一方の錠部1が解錠されてから所定時間内に他方の錠部1も解錠されない時には、既に解錠された錠部1を施錠状態に戻すことで、防犯上の安全性を確保することができる。
【0016】
なお、上記所定時間t1は、高齢者が屋外側から順に機械的な解錠動作を行うことを想定すると、30秒〜1分程度が好ましい。もっとも、本発明はこの時間に限定するものではない。
【0017】
また、ピッキングによって解錠された錠部1のデッドボルト11が出ないように、あるいはシリンダー12が回転することがないようにされた上で他方の錠部1のピッキングによる解錠作業がなされた場合、既に解錠された錠部1の電気的施錠ができなくなる。このために、ここでは制御回路2から施錠出力を出したにもかかわらず、検知手段14,14から施錠検知出力が出力されない時には、制御回路2は警報装置3を作動させるようにしてある。
【0018】
電気的開閉のための駆動部13の状態を検知する検知部材、たとえば駆動電流を検知する検知部材(図示せず)を設けて、電気的施錠に際して検知部材による異常検知出力(異常電流検知出力)が制御回路2に入力されれば、制御回路2が警報装置4を作動させるようにしてもよい。
【0019】
また、上記制御回路2は、複数の錠部1,1が解錠状態にある時にいずれか一つの錠部1に鍵やサムターンによる機械的施錠がなされた時、図3に示すように、所定時間t2内に他の解錠状態にある錠部1の駆動部13に対して施錠出力を出すものとなっている。機械的施錠動作を他の錠部1に対しても行わなくても施錠状態に移行することから、機械的施錠動作の手間が省けるとともに、他の錠部1が解錠状態のままになってしまうことがないものである。
【0020】
ただし、複数の錠部1のうちの一つを機械的に施錠した後、他の錠部1の電気的な自動施錠がなされるまでの所要時間は、ユーザーが自動施錠されるかどうかの確認待ちの時間を短くするために、この場合の所要時間t2は1秒程度であることが好ましい。また、ここでは上記施錠出力で施錠がなされない場合、警報出力を出して他の錠部1の施錠がなされていないことをユーザーに知らせるようにしてある。
【0021】
ところで上記制御回路2は、現在の錠部1の状態だけを基に上記制御を行うことはできず、直前の状態が施錠であったか解錠であったかの情報も必要となることから、制御回路2には直前の状態を記憶する記憶部を設けて、錠部1の状態に変化があった時、直前の状態を参照して次の動作を決定するようにしている。この場合、各錠部1の直前の状態と現在の状態そして扉の開閉状態をテーブルとして記録するものを用いて、テーブルの記録状態に応じて実行動作を切り換えるようにしているが、この時、施錠状態にあるか解錠状態にあるかを共に検知することができる検知手段14の検知出力は、施錠状態から解錠状態に移行させた時、あるいは解錠状態から施錠状態に移行させた時、施錠状態を示す信号と、解錠状態を示す信号とは錠の内部機構や検知方式によるものの、図4に示すように、両信号は若干のずれを持って出力されることから、両信号出力が矛盾の無い状態になってから所要の時間T(たとえば10ms)が経過した時点での信号を制御回路2が採用するようにして、直前の状態及び現在の状態を確実に認識することができるようにしている。
【0022】
【発明の効果】
以上のように本発明においては、電気的開閉が可能で且つ鍵による機械的開閉も可能な少なくとも2つの錠部を備えものにおいて、各錠部の開閉状態を検知する検知手段と、この検知手段によるいずれかの錠部の解錠検知出力から所定時間内に他の錠部の解錠検知出力が入らない時に解錠された錠部を電気的に施錠する制御手段を備えていることから、停電時には鍵を使用して施解錠を行うことができるものであり、従って締め出しの可能性を排除することができるものであり、しかも鍵による開閉が可能であるとはいえ、少なくとも2つの錠部を所定時間内に解錠しないことには、いったん解錠した錠部が施錠状態に戻されるために、ピッキングで全錠部が解錠された状態になることはまずなく、このために防犯性の点でも高い安全性を有するものであり、また鍵による開閉の使い勝手に問題を招くこともないものである。しかも、上記検知手段は電気錠が一般に備えていることから、制御回路への機能追加だけで実現することができる。
【0023】
そして上記制御手段が、電気的施錠時に検知手段から施錠検知出力が出力されない時や、電気的駆動部の状態を検知する検知部材による異常検知出力時に警報を出力するものである場合、いったん解錠した錠部の電気的施錠がなされないようにされた場合には警報が出力されるために、より安全性が向上したものとなる。
【図面の簡単な説明】
【図1】本発明の実施の形態の一例の動作を示すフローチャートである。
【図2】同上のブロック図である。
【図3】同上の他の動作を示すフローチャートである。
【図4】同上の検知手段の出力を示すタイムチャートである。
【符号の説明】
1 錠部
2 制御回路
11 デッドボルト
12 シリンダー
13 駆動部
14 検知手段
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electric lock, and more particularly to an electric lock having a cylinder that can be mechanically opened and closed by a key or thumb turn.
[0002]
[Prior art]
An electric lock that does not have a cylinder for mechanical opening and closing with a key is extremely advantageous in terms of crime prevention because it is not unlocked by so-called picking. Then, there is a possibility that the house is locked out at the time of a power failure, and even if a battery for compensating for the power failure is attached, there is a concern that the battery is locked out at the time of battery failure. Although some batteries have a function to warn when the battery is nearly exhausted and the battery is almost exhausted, if the warning is neglected, or the warning means itself becomes abnormal, it will be locked out. It may occur.
[0003]
On the other hand, an electric lock that has a cylinder and can be opened and closed with a key can be opened and closed with a key in the event of a power failure, so there is no risk of locking out, but it is unlocked by picking. There is a problem in crime prevention.
[0004]
[Problems to be solved by the invention]
Therefore, an electric lock having a cylinder that can be opened and closed by a key is provided with at least two lock portions that can be electrically opened and closed and that can be opened and closed by a key.
[0005]
However, even though there are two lock parts, both can still be unlocked by picking, so they still have problems in crime prevention. It is desired to have a higher safety.
[0007]
The present invention has been made in view of the above problems, to provide a is high electric lock safety crime prevention with and an object thereof is also possible open by the key.
[0008]
[Means for Solving the Problems]
Thus, the present invention relates to an electric lock having at least two lock portions that can be electrically opened and closed and that can be mechanically opened and closed by a key. It is characterized by comprising control means for electrically locking the unlocked lock part when the unlock detection output of the other lock part does not enter within a predetermined time from the unlock detection output of any lock part Have.
[0009]
The control means preferably outputs an alarm when the lock detection output is not output from the detection means during electrical locking, or when an abnormality detection output is generated by a detection member that detects the state of the electrical drive unit.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on an example of an embodiment. As shown in FIG. 2, this electric lock includes a dead bolt 11 and a cylinder 12 that has a key hole 120 and causes the dead bolt 11 to protrude and retract. And two locking parts 1 comprising a drive part 13 for electrically rotating the cylinder 12, each of the locking parts 1, 1 detects whether it is in a locked state or an unlocked state. Detection means 14, 14 are provided. The two drive units 13 and 13 and the two detection units 14 and 14 are connected to the control circuit 2. In the figure, 20 is a locking / unlocking switch, 21 is a power supply unit, and 4 is an alarm device.
[0013]
If there is an unlocking input by the locking / unlocking switch 20, the control circuit 2 drives the driving units 13, 13 of the two locking parts 1, 1 to perform unlocking, and the locking input by the locking / unlocking switch 20 is performed. If there is, the drive parts 13 and 13 of the two lock parts 1 and 1 are driven to perform locking.
[0014]
When the lock is unlocked by inserting a key into the keyhole 120 and rotating the cylinder 12, the control circuit 2 performs the following control. That is, the unlocking of the two locking parts 1 and 1 by the key is performed with a time difference, but as shown in FIG. 1, the unlocking of the one locking part 1 is performed and the unlocking by the detecting means 14 is performed. When the detection output enters the control circuit 2, the control circuit 2 starts counting time. If the unlocking detection output by the detecting means 14 does not enter the control circuit 2 within the predetermined time t1 and the unlocking detection output from the detecting means 14 does not enter the control circuit 2, the control circuit 2 drives the unlocked locking unit 1. The unit 13 is locked by outputting a locking output.
[0015]
The opening and closing of the two lock portions 1 and 1 with the key can be completed within a short time, and the state where only one lock portion 1 is unlocked does not continue for a long time, but by picking When unlocking, it is difficult to unlock the two lock portions 1 and 1 together within a short time, and only one of the lock portions 1 is unlocked for a long time. Therefore, when one of the lock portions 1 is unlocked and the other lock portion 1 is not unlocked within a predetermined time, the already unlocked lock portion 1 is returned to the locked state, thereby improving security in crime prevention. Can be secured.
[0016]
The predetermined time t1 is preferably about 30 seconds to 1 minute, assuming that the elderly perform mechanical unlocking operations in order from the outdoor side. However, the present invention is not limited to this time.
[0017]
In addition, the unlocking operation by picking the other lock portion 1 was performed so that the dead bolt 11 of the lock portion 1 unlocked by picking did not come out or the cylinder 12 did not rotate. In this case, the lock portion 1 that has already been unlocked cannot be electrically locked. For this reason, the control circuit 2 operates the alarm device 3 when the lock detection output is not output from the detection means 14 and 14 even though the lock output is output from the control circuit 2 here.
[0018]
A detection member for detecting the state of the drive unit 13 for electrical opening / closing, for example, a detection member (not shown) for detecting drive current is provided, and an abnormality detection output (abnormal current detection output) by the detection member at the time of electrical locking. May be input to the control circuit 2, the control circuit 2 may activate the alarm device 4.
[0019]
Further, when the plurality of lock portions 1 and 1 are unlocked, the control circuit 2 is configured so that when one of the lock portions 1 is mechanically locked with a key or thumb turn, as shown in FIG. The lock output is output to the drive unit 13 of the lock unit 1 in another unlocked state within the time t2. Since it shifts to the locked state without performing the mechanical locking operation on the other locking portions 1, the trouble of the mechanical locking operation can be saved and the other locking portions 1 remain in the unlocked state. It is something that never ends.
[0020]
However, after mechanically locking one of the plurality of lock parts 1, the time required until the other lock part 1 is electrically automatically locked is confirmed by the user whether or not the lock is automatically locked. In order to shorten the waiting time, the required time t2 in this case is preferably about 1 second. In addition, here, when locking is not performed with the above-described locking output, an alarm output is output to notify the user that the other locking portions 1 are not locked.
[0021]
By the way, the control circuit 2 cannot perform the control based only on the current state of the lock portion 1 and needs information on whether the immediately previous state is locked or unlocked. Is provided with a storage unit for storing the immediately preceding state, and when the state of the lock unit 1 is changed, the next operation is determined with reference to the immediately preceding state. In this case, the execution operation is switched according to the recording state of the table by using the one that records the state immediately before and the current state of each lock part 1 and the opening / closing state of the door as a table. The detection output of the detecting means 14 that can detect both the locked state and the unlocked state is when the transition is made from the locked state to the unlocked state, or when the unlocked state is shifted to the locked state. Although the signal indicating the locked state and the signal indicating the unlocked state are based on the internal mechanism and detection method of the lock, both signals are output with a slight deviation as shown in FIG. The control circuit 2 adopts a signal at the time when a required time T (for example, 10 ms) has elapsed since the output becomes inconsistent, so that the immediately preceding state and the current state can be reliably recognized. Be able to That.
[0022]
【The invention's effect】
As described above, in the present invention, in the case of including at least two lock portions that can be electrically opened and closed and that can be mechanically opened and closed with a key, a detection means that detects an open / closed state of each lock portion, and the detection means From the unlock detection output of any of the lock parts by a control means for electrically locking the unlocked lock part when the unlock detection output of the other lock part does not enter within a predetermined time, It can be locked and unlocked using a key in the event of a power failure, thus eliminating the possibility of lockout, and at least two locks, although it can be opened and closed with a key. If the lock part is not unlocked within a predetermined time, the unlocked lock part is returned to the locked state, so that it is unlikely that the entire lock part will be unlocked by picking. High safety in terms of A shall and is intended neither to lead to problems in the usability of the opening and closing by the key. Moreover, since the detection means is generally provided in an electric lock, it can be realized only by adding a function to the control circuit.
[0023]
If the control means outputs a warning when a lock detection output is not output from the detection means during electrical locking, or when an abnormality detection output is generated by a detection member that detects the state of the electrical drive unit, When the locked portion is not electrically locked, an alarm is output, so that safety is further improved.
[Brief description of the drawings]
FIG. 1 is a flowchart showing the operation of an example of an embodiment of the present invention.
FIG. 2 is a block diagram of the above.
FIG. 3 is a flowchart showing another operation of the above.
FIG. 4 is a time chart showing the output of the detecting means same as above.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lock part 2 Control circuit 11 Dead bolt 12 Cylinder 13 Drive part 14 Detection means

Claims (3)

電気的開閉が可能で且つ鍵による機械的開閉も可能な少なくとも2つの錠部を備えた電気錠において、各錠部の開閉状態を検知する検知手段と、この検知手段によるいずれかの錠部の解錠検知出力から所定時間内に他の錠部の解錠検知出力が入らない時に解錠された錠部を電気的に施錠する制御手段を備えていることを特徴とする電気錠。  In an electric lock having at least two lock portions that can be electrically opened and closed and mechanically opened and closed with a key, a detection means for detecting the open / closed state of each lock portion, and any one of the lock portions by the detection means An electric lock comprising: control means for electrically locking an unlocked lock portion when the unlock detection output of another lock portion does not enter within a predetermined time from the unlock detection output. 制御手段は、電気的施錠時に検知手段から施錠検知出力が出力されない時に警報を出力するものであることを特徴とする請求項1記載の電気錠。  2. The electric lock according to claim 1, wherein the control means outputs an alarm when the lock detection output is not output from the detection means during the electric lock. 電気的開閉のための電気的駆動部の状態を検知する検知部材を備えるとともに、制御手段は電気的施錠に際しての上記検知部材による異常検知出力時に警報を出力するものであることを特徴とする請求項1記載の電気錠。  A detection member for detecting the state of the electric drive unit for electrical opening and closing is provided, and the control means outputs an alarm when abnormality detection is output by the detection member during electrical locking. Item 1. An electric lock according to item 1.
JP2002048811A 2001-08-28 2002-02-25 Electric lock Expired - Lifetime JP3937867B2 (en)

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JP2001-258670 2001-08-28
JP2001258670 2001-08-28
JP2002048811A JP3937867B2 (en) 2001-08-28 2002-02-25 Electric lock

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JP3937867B2 true JP3937867B2 (en) 2007-06-27

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JP2010024827A (en) * 2001-08-28 2010-02-04 Panasonic Electric Works Co Ltd Electric lock
JP2016510847A (en) * 2013-03-13 2016-04-11 スペクトラム ブランズ インコーポレイテッド Linked locking system

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JP4511415B2 (en) * 2005-05-25 2010-07-28 有限会社アイ・ティ・ファクトリー Security device for doors locked with multiple keys
JP4959428B2 (en) * 2007-06-05 2012-06-20 三菱電機株式会社 Access control system
JP7223614B2 (en) * 2019-03-26 2023-02-16 株式会社Lixil locking device
JP7250719B2 (en) * 2020-03-10 2023-04-03 トヨタホーム株式会社 Building locking and unlocking system
JP7349412B2 (en) * 2020-06-23 2023-09-22 トヨタホーム株式会社 Building locking and unlocking system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010024827A (en) * 2001-08-28 2010-02-04 Panasonic Electric Works Co Ltd Electric lock
JP2016510847A (en) * 2013-03-13 2016-04-11 スペクトラム ブランズ インコーポレイテッド Linked locking system

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