JP4579635B2 - Electric lock control device - Google Patents

Description

  The present invention relates to a control device for an electric lock that locks and unlocks a front door of a detached house and the like, and in particular, an electric power that saves power and prevents malfunctions when locking and unlocking an electric lock. The present invention relates to a lock control device.

  Conventionally, as an apparatus for controlling an electric lock for unlocking a front door of a detached house or the like, an energized unlocked electric lock that is unlocked by energization and an energized lock electric lock that is locked by energization, respectively. A control system is disclosed (for example, see Non-Patent Document 1).

  In the system of the conventional example, a make contact of a relay mounted on the controller board is used to connect and control the unlocking type electric lock when energized to the control board. On the other hand, in order to connect and control the lockable electric lock when energized to the control board, a break contact of a relay mounted on the controller board has been used (for example, see Non-Patent Document 1).

KT Worksshop Inc (Katy Workshop Co., Ltd.) NET2 Installation Manual V2.00 Revised April 2002 (4th page, 12th page)

  In the system of the conventional example, in order to connect and control the unlocked electric lock and the energized lock electric lock to the control board respectively, the common terminal, the closed terminal, and the open terminal are required. When these three terminals are formed by two terminals, the break contact of the relay mounted on the controller board must always drive the make contact, and a large number of power supplies are required.

  The present invention has been made to solve the above-mentioned problems, and as an electric lock for locking and unlocking a front door such as a detached house, an electric unlocking electric lock and a non-electric current unlocking electric lock are provided. Provided with two common terminals that are required to control each of the terminals, and an electric lock control device that reduces power consumption and prevents malfunctions when locking and unlocking these electric locks. The purpose is to do.

In order to achieve the above-described object, the electric lock control device of the present invention is designed to unlock when energized so that a drive unit is energized and unlocked by a power source when a switch composed of one movable contact and one fixed contact is made. Electric lock control that controls the unlocked electric lock when the power is turned off and the drive unit is deenergized and unlocked when the switch composed of the movable electric lock and one movable contact and one fixed contact breaks. In the case of an unlocked electric lock when energized, the switch is driven to the make state when unlocked and to the break state when unlocked. In the case of an unlocked electric lock when deenergized, the switch is unlocked. A latching relay that drives to the break state when locked and a make state when locked, a drive circuit that applies a make signal and a break signal to the relay, a make signal from the drive circuit to the relay, and a break signal And a setting circuit for setting the application of.

  In the electric lock control device of the present invention, the drive circuit intermittently applies a make signal and a break signal to the latching relay to prevent malfunction.

  According to the electric lock control device of the present invention, a make signal is applied from the drive circuit to the latching relay by setting the setting circuit to control the (one) fixed contact of the switch to the make state, and the drive unit is energized by the power source. Thus, the unlocked electric lock when energized can be unlocked, and the unlocked electric lock when deenergized can be locked. On the other hand, a break signal is applied from the drive circuit to the latching relay by setting the setting circuit to control the (one) fixed contact of the switch to the break state, and the drive unit is deenergized by turning off the power supply and unlocked when energized The electric lock can be locked, and the unlocked electric lock can be unlocked when not energized.

  Further, according to the electric lock control device of the present invention, by intermittently applying the make signal and the break signal from the drive circuit to the latching relay by setting the setting circuit, among the latching relay, the drive circuit, and the setting circuit, Even when an impact noise or the like occurs in at least one circuit, it is possible to prevent the occurrence of a malfunction such as unlocking the unlocked electric lock when energized and the unlocked electric lock when deenergized in advance. Not only can this latching relay be used, but power can be saved.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments to which an electric lock control device of the present invention is applied will be described below with reference to the drawings.

  FIG. 1 is a circuit block diagram showing a configuration of an electric lock control device according to an embodiment of the present invention.

  In addition, Fig.1 (a) shows the structure at the time of applying the energization unlocking type | formula electric lock 1a unlocked by the energization mentioned later as an electric lock for locking and unlocking entrance doors, such as a detached house. FIG. 2 is a circuit block diagram, and hereinafter, an electric lock control device for controlling the locking / unlocking of the energized unlocking type electric lock 1a is referred to as a first embodiment of the present invention.

  Moreover, FIG.1 (b) is the case of applying the non-energized unlocking type electric lock 1b which is unlocked by the interruption of energization described later as an electric lock for locking and unlocking a front door such as a detached house. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit block diagram showing a configuration, and hereinafter, an electric lock control device for controlling locking / unlocking of a non-energized unlocking electric lock 1b is referred to as a second embodiment of the present invention.

  Next, the electric lock control device shown in the circuit block diagram of FIG. 1A, which is the first embodiment of the present invention, is an energization described later as an electric lock for locking and unlocking the entrance door of a detached house or the like. An unlocked electric lock 1a when energized and unlocked by the drive unit 2a for driving and unlocking the unlocked electric lock 1a when energized, a power source 3a for energizing the drive unit 2a, A switch 40a composed of one movable contact P1a and one fixed contact P2a, a first coil 41a for making the fixed contact P2a of the switch 40a, and a second coil 42a for breaking the fixed contact P2a of the switch 40a The first coil 41a and the second coil 42a constituting the latching relay 4a are used for unlocking the latching relay 4a and the unlocking type electric lock 1a when energized. When the make signal is applied only to 41a and the fixed contact P2a of the switch 40a is controlled to be in the make state, the first coil 41a constituting the latching relay 4a and A drive circuit 5a for applying a break signal only to the second coil 42a of the second coils 42a and controlling the fixed contact P2a of the switch 40a to a break state, and a latching relay 4a comprising the drive circuit 5a. The setting circuit 6a for setting the application timing (make timing) of the make signal to the first coil 41a and the break signal to the second coil 42a, and one end of the drive unit 2a and the switch 40a constituting the latching relay 4a are movable. The first terminal T1 for connecting between the contacts P1a, the (−) terminal of the power source 3a and the latching relay 4 And a second terminal T2 for connecting the fixed contacts P2a of the switch 40a constituting the.

  In the electric lock control device according to the first embodiment of the present invention configured as described above, a specific operation will be described below.

  In the circuit block diagram of FIG. 1A, the drive circuit 5a is controlled by the setting circuit 6a, that is, the make signal from the drive circuit 5a to the first coil 41a constituting the latching relay 4a, to the second coil 42a. The timing for applying the break signal is set. Here, when the entrance door such as a detached house is closed and the unlocking type electric lock 1a is energized, a break signal is applied from the drive circuit 5a to the second coil 42a constituting the latching relay 4a. . The second coil 42a to which the break signal is applied controls the switch 40a so that the fixed contact P2a is in a break state, so that the first coil is connected between the (+) terminal of the power source 3a and both ends of the drive unit 2a. A power supply line is formed from the terminal T1, the movable contact P1a of the switch 40a (which constitutes the latching relay 4a), the fixed contact P2a (in the break state), and the (−) terminal of the power supply via the second terminal T2. Since the energization of the drive unit 2a is interrupted, the unlocked electric lock 1a is locked when energized.

  On the other hand, when opening the closed entrance door of a detached house or the like and unlocking the energized unlocking type electric lock 1a, the first latching relay 4a is configured from the drive circuit 5a. A make signal is applied to the coil 41a. The first coil 41a to which the make signal is applied controls the switch 40a so that the fixed contact P2a is in the make state, so that the first coil 41a is connected between the (+) terminal of the power source 3a and both ends of the drive unit 2a. A power supply line is formed from the terminal T1, the movable contact P1a of the switch 40a (which constitutes the latching relay 4a), the fixed contact P2a (in the make state), and the (−) terminal of the power supply via the second terminal T2. The drive unit 2a can be energized to unlock the unlocked electric lock 1a when energized.

  As described above, the switch 40a constituting the latching relay 4a can be controlled to be in a make state or a break state by the first coil 41a or the second coil 42a. Here, when the energization from the power source 3a to the drive unit 2a is interrupted by a power failure or the like, and then the energization is restored, the switch 40a is in a make state or a break state by the first coil 41a or the second coil 42a. Therefore, the unlocked state or the locked state of the unlocked electric lock 1a when energized can be maintained.

  FIG. 2A is an explanatory diagram of a make signal from the drive circuit 5a to the first coil 41a (which constitutes the latching relay 4a) or a break signal to the second coil 42a according to the setting of the setting circuit 6a. As shown in FIG. 5, even if an impact is generated in at least one of the latching relay 4a, the drive circuit 5a, and the setting circuit 6a by applying intermittently, for example, at intervals of 2 seconds, in advance. Not only can the malfunction that the unlocked electric lock 1a that is locked when energized is unlocked be prevented, but also the application of the latching relay 4a can save power.

  Next, in describing the configuration and operation of the electric lock control device according to the second embodiment of the present invention, the latching relay 4b described later is the same relay as the latching relay 4a applied to the first embodiment. For convenience of explanation, it is assumed that a separate code is attached.

  The electric lock control device shown in the circuit block diagram of FIG. 1 (b) which is the second embodiment of the present invention is based on the interruption of energization described later as an electric lock for locking and unlocking the entrance door of a detached house or the like. A non-energized unlocked electric lock 1b to be unlocked, a drive unit 2b for driving and unlocking the unlocked electric lock 1b when deenergized, and a power supply 3b for energizing the drive unit 2b A switch 40b composed of one movable contact P1b and one fixed contact P2b, a first coil 41b for making the fixed contact P2b of the switch 40b, and a second coil for breaking the fixed contact P2b of the switch 40b When unlocking the latching relay 4b composed of 42b and the unlocking type electric lock 1b when not energized, the second of the first coil 41b and the second coil 42b constituting the latching relay 4b When the break signal is applied only to the coil 42b and the fixed contact P2b of the switch 40b is controlled to be in a break state, the first coil constituting the latching relay 4b is used to lock the unlocking electric lock 1b when not energized. The drive circuit 5b for applying the make signal only to the first coil 41b of the 41b and the second coil 42b and controlling the fixed contact P2b of the switch 40b to the make state, and the latching relay 4b from the drive circuit 5b A setting circuit 6b for setting a make signal to the first coil 41b to be applied and a break signal application (timing) to the second coil 42b, and a switch 40b that constitutes one end of the drive unit 2b and the latching relay 4b. The first terminal T1 common to the first embodiment for connecting the movable contacts P1b, and the power source 3b -) and a second terminal T2 the above first embodiment and common to connect the fixed contact P2b of the switch 40b constituting the terminals and latching relay 4b.

  In the electric lock control device according to the second embodiment of the present invention configured as described above, a specific operation will be described below.

  In the circuit block diagram of FIG. 1B, the drive circuit 5b is controlled by the setting circuit 6b, that is, from the drive circuit 5b to the first coil 41b constituting the latching relay 4b, to the second coil 42b. The timing for applying the break signal is set. Here, when the entrance door of a detached house or the like is closed and the unlocked electric lock 1b is locked when not energized, a make signal is applied from the drive circuit 5b to the first coil 41b constituting the latching relay 4b. To do. The first coil 41b to which the make signal is applied controls the switch 40b so that the fixed contact P2b is in the make state, so that the first coil 41b is connected between the (+) terminal of the power source 3b and both ends of the drive unit 2b. A power supply line is formed from the terminal T1, the movable contact P1b of the switch 40b (which constitutes the latching relay 4b), the fixed contact P2b (in the make state), and the (−) terminal of the power supply via the second terminal T2. The drive unit 2b can be energized to lock the unlocked electric lock 1b when not energized.

  On the other hand, in opening the closed door of a detached house or the like and unlocking the unlocked unlocked electric lock 1b when energized, the second constituting the latching relay 4b from the drive circuit 5b. A break signal is applied to the coil 42b. The second coil 42b to which the break signal is applied controls the switch 40b so that the fixed contact P2b is in a break state, so that the first coil 42b is connected between the (+) terminal of the power source 3b and both ends of the drive unit 2b. A power supply line is formed from the terminal T1, the movable contact P1b of the switch 40b (which constitutes the latching relay 40b), the fixed contact P2b (in the break state), and the (−) terminal of the power supply via the second terminal T2. Since the energization of the drive unit 2b is interrupted, the unlocked electric lock 1b is unlocked when not energized.

  As described above, the switch 40b constituting the latching relay 4b can be controlled to the make state or the break state by the first coil 41b or the second coil 42b. Here, when the energization from the power source 3b to the drive unit 2b is interrupted by a power failure or the like, and then the energization is restored, the switch 40b is in a make state or a break state by the first coil 41b or the second coil 42b. Therefore, it is possible to hold the unlocked or unlocked state of the unlocked electric lock 1b when not energized.

  FIG. 2B is an explanatory diagram of the make signal from the drive circuit 5b to the first coil 41b (which constitutes the latching relay 4b) or the break signal to the second coil 42b according to the setting of the setting circuit 6b. As shown in FIG. 2, even if an impact occurs in at least one of the latching relay 4b, the drive circuit 5b, and the setting circuit 6b by applying intermittently, for example, at intervals of 2 seconds, in advance. Not only can the malfunction that the unlocked electric lock 1b when unlocked is unlocked be prevented, but also power saving can be achieved by applying the latching relay 4b.

  Further, in the electric lock control devices according to the first and second embodiments of the present invention, the make signals from the drive circuits 5a and 5b to the first coils 41a and 41b constituting the latching relays 4a and 4b, the second Although the setting circuits 6a and 6b are applied as the circuits for setting the timing of applying the break signal to the coils 42a and 42b, respectively, this setting function can be provided in each of the drive circuits 5a and 5b, thereby simplifying the circuit. Is planned.

FIG. 1A is a circuit block diagram showing the configuration of the electric lock control device according to the first embodiment of the present invention. FIG.1 (b) is a circuit block diagram which shows the structure of the electric lock control apparatus by the 2nd Example of this invention. FIG. 2A is an explanatory diagram showing an example of control from the drive circuit to the latching relay in the electric lock control device according to the first embodiment of the present invention. FIG. 2A is an explanatory diagram showing an example of control from the drive circuit to the latching relay in the electric lock control device according to the second embodiment of the present invention.

DESCRIPTION OF SYMBOLS 1a …… Unlocking type electric lock when energized 1b …… Unlocking type electric lock when de-energized 2a, 2b …… Drive unit 3a, 3b. 40b …… Switch P1a, P1b …… (One) movable contact P2a, P2b …… (One) fixed contact

Claims (2)

When a switch composed of one movable contact and one fixed contact is made, the drive unit is energized and unlocked by a power source, and the energized unlocking electric lock and the one movable contact and the one fixed contact An electric lock control device for controlling each of the unlocked electric locks when not energized, wherein the power is cut off and the drive unit is deenergized and unlocked when the switch breaks ,
In the case of the unlocked electric lock when energized, the switch is driven to the make state when unlocked and to the break state when unlocked. In the case of the unlocked electric lock when not energized, the switch is unlocked. Latching relay that drives to break state at the time of locking, and make state at the time of locking, a drive circuit that applies the make signal and the break signal to the relay, and the make signal and the application of the break signal from the drive circuit to the relay are set An electric lock control device comprising a setting circuit for performing the operation .   2. The electric lock control device according to claim 1, wherein the drive circuit intermittently applies the make signal and the break signal to the latching relay to prevent malfunction.

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