CN111315949A - Mortise lock assembly with electronic control module - Google Patents

Abstract

The present invention relates to a mortice lock assembly for use with a door. The mortise lock assembly includes: a housing; a plug movable relative to the housing between an extended position and a retracted position; a manual actuator comprising an inner hub and an outer hub, each operable from an inside or an outside of the housing to move the bolt from at least the extended position to the retracted position, respectively; and a lock mechanism that interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable. The lock mechanism can be configured to operate in one or more operating states, including: a first operating state in which the inner hub becomes operable and the outer hub becomes operable; a second operational state in which the inner hub becomes inoperable and the outer hub becomes operable; a third operating state in which the inner hub becomes inoperable and the outer hub becomes inoperable; and/or a fourth operational state in which the inner hub becomes operable and the outer hub becomes inoperable. The mortise lock assembly includes an electronic control module for controlling operation of the lock mechanism. The electronic control module is configured to receive input signals including a control signal for causing the lock mechanism to move to operate in one of the operating states and a power signal for providing power to the electronic control module, wherein the power signal is provided separately from the control signal.

Description

Mortise lock assembly with electronic control module

RELATED APPLICATIONS

The present application is related to the disclosure of australian provisional application No. 2017902959 entitled "a mobile Lock As subassembly with an aPowered Lock Actuator" filed on 27.7.2017, the entire contents of which are incorporated herein by reference.

The present application further relates to PCT applications entitled "moving Lock As a second having Electronic switching element" and "moving System for Lock Assembly" having international application dates 7-27.2018 in the name of asa aberration australian private ltd, and the entire contents of each of the related PCT applications are incorporated herein by reference.

Technical Field

The present invention generally relates to a mortice lock assembly having an electronic control module.

Background

Mortise lock assemblies typically include a bolt, a manual actuator operable to move the bolt, and a lock mechanism that may have an electric actuator for controlling operation of the manual actuator. It will be convenient to hereinafter describe the invention with particular reference to latch assemblies, however, it will be appreciated that the invention is applicable to other forms of mortice lock assemblies, such as locking bolt assemblies.

A mortice lock assembly of the foregoing kind may include a pair of hubs that are each rotatable relative to the housing to move a latch bolt (latchbolt) from an extended position to a retracted position. The lock mechanism may include a detent lever that is adjustable to assume a locked position to prevent rotation of the respective hub. The detent lever can be moved by operation of the cylinder lock or by an electric actuator.

Where the lock mechanism includes an electrically powered actuator, it may take the form of a solenoid which uses a change in the supply of electrical power to change the position of the catch lever. The solenoid may, for example, remain energized so as to retract its plunger against the biasing force of the compression spring, such that selectively turning off the power releases the plunger to move under the force of the spring, thereby moving the capture lever.

The manner in which the solenoid is physically arranged relative to the detent is adjustable to allow the lock mechanism to respond to a power failure event in a predetermined manner. Deployment options may include power-off latching, power-off unlatching, escape (also referred to as "free-egress"), and a spring in the solenoid to respond accordingly. When a power failure event occurs and the lock mechanism is set to fail locked, the detent lever will remain in or move to the locked position, thereby preventing rotation of either hub. Alternatively, when the lock mechanism is set to de-energize the lock, the capture lever will remain in or move to the release position, thereby allowing rotation of either hub.

Depending on the application and the requirements of the installation site, it may sometimes be desirable to provide an access arrangement to the door such that the operation of the inside and outside of the door each respond in the same or different manner to a power failure event. For example, in a high security storage facility, it may be desirable to arrange for locking the door from both the inside and the outside in the event of a power failure. However, for fire doors, it may be desirable to unlock the door from the inside to allow people to safely exit the building in case of an emergency, and to lock the door from the outside to prevent people from entering the building in the event of a power failure.

To achieve certain operational arrangements, it is sometimes necessary to use an electronic lock (electric strike) with a modified mortise lock assembly. For example, in situations where it is desirable to set the operation of a door to fail safe on one side and fail safe on the other side, mortise lock assemblies are typically modified for operation with a separate electronic door lock. The need to make modifications and arrangements with additional locking devices increases component costs and labor costs.

Accordingly, it is desirable to provide an improved mortice lock assembly with electronic control that overcomes or ameliorates one or more of the disadvantages or problems described above, or at least provides the consumer with a useful choice.

The reference herein to a patent document or to other material which is given as prior art is not to be taken as an admission that the document or material was known or that the information it contains was part of the common general knowledge as at the priority date of any of the claims.

Disclosure of Invention

According to one aspect of the present invention there is provided a mortice lock assembly for use with a door, the mortice lock assembly comprising:

the outer shell is provided with a plurality of grooves,

a plug movable relative to the housing between an extended position and a retracted position,

a manual actuator including an inner hub and an outer hub each operable from an inside or an outside of the housing to move the bolt from at least the extended position to the retracted position,

a lock mechanism that interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable,

the lock mechanism is configurable to operate in one or more operating states including:

a first operational state in which the inner hub becomes operable and the outer hub becomes operable,

a second operational state in which the inner hub becomes inoperable and the outer hub becomes operable,

a third operating state in which the inner hub becomes inoperable and the outer hub becomes inoperable, and/or

A fourth operational state in which the inner hub becomes operable and the outer hub becomes inoperable,

an electronic control module for controlling operation of the lock mechanism, the electronic control module configured to receive input signals including:

a control signal for driving the lock mechanism to operate in one of the operating states, an

A power signal for providing power to the electronic control module, wherein the power signal is provided separately from the control signal.

Typically, currently known mortise lock assemblies are configured to receive a single power input signal that provides a locking or unlocking signal to activate a solenoid and move the respective hub of the lock mechanism into a desired locked or unlocked state. The electronic control module of the present invention is configured to receive two separate input signals: a power signal for powering the electronic control module and a control signal for controlling the operating state of the lock mechanism. The separation of the control signal from the power signal advantageously allows the electronic module to distinguish between normal operation of the lock mechanism (also referred to herein as a "non-fault condition") and operation in response to a power fault event (also referred to herein as a "fault condition") to thereby enable additional modes of operation as discussed in further detail below. This function was previously not possible with known mortise lock assemblies.

In some embodiments, the electronic control module may be further configured to receive a single input signal, wherein the single input signal provides power to the electronic control module and simultaneously drives the lock mechanism to operate in one of the operating states. In particular, the electronic control module may be configured to operate by the single input signal or two input signals including the control signal and the power signal.

Accordingly, the mortice lock assembly of the present invention can be configured to operate with a single input signal in the same manner as known mortice lock assemblies, for example to provide flexibility during installation, to meet site requirements and/or to provide backwards compatibility with existing lock control and monitoring systems in the field.

Typically, the electronic control module is coupled to an external lock control and monitoring system (e.g., provided in the field), and the external lock control and monitoring system generates one or more input signals that are received by the electronic control module. The external lock control and monitoring system may be configured as a single input signal for the electronic control module, or as two input signals including a control signal and a power signal for the electronic control module.

Typically, the electronic control module includes three contacts. For example, a first contact configured to receive the control signal, a second contact configured to receive the power signal, and a third contact configured for ground. During installation of the lock assembly, these three contacts may be connected to a lock control and monitoring system provided in the field to receive one or more input signals in a number of different ways, as discussed further below. This advantageously provides greater adaptability and installation flexibility and compatibility with different customer requirements for the mortise lock assembly of the present invention.

In one example, the electronic control module may be configured to: allowing the second contact to receive a single input signal that delivers power to the electronic control module while actuating the lock mechanism to operate in one of the operating states, and allowing the first contact to disconnect. The electronic control module may include a signal detection circuit for detecting a signal received through the first contact. In another example, the electronic control module may be configured to: allowing the first contact to couple to a second contact and allowing the first contact and the second contact to simultaneously receive a single input signal that delivers power to the electronic control module and simultaneously drives the lock mechanism to operate in one of the operating states.

The electronic control module may include one or more user configurable settings for selecting an operating mode for the mortise lock assembly, the operating mode including a power-off unlocked ("power-on locked") setting, a power-off locked ("power-on unlocked" or "power-on unlocked") setting, or an escape (i.e., "free-egress" or "always unlocked") setting for each of the inner hub and the outer hub. In particular, the user configurable settings may comprise one or more electronic switching elements.

The one or more electronic switching elements may be adjustable from outside the housing. In particular, the ability of the electronic switching element to be adjusted from outside the housing advantageously allows the lock mechanism to be configured, for example, to conveniently and efficiently respond to a power failure event in a desired manner without requiring disassembly of the housing of the lock assembly or the use of special tools.

Any suitable electronic switching element may be used. For example, the electronic switching elements may include one or more sliding switches, rotary switches, push buttons, toggle switches, and the like, or any combination thereof.

Each electronic switching element is accessible through an opening in the housing. The opening may be positioned in any suitable location in the housing. In one embodiment, the opening is located on a rear or side wall of the housing such that access to the at least one switch element is obstructed once the lock assembly is installed in a door. Positioning the opening for accessing the one or more switching elements on a back or side wall of the housing allows for convenient field configuration of the lock mechanism prior to installation and prevents unauthorized tampering or inadvertent resetting of the mode of operation of the lock mechanism after installation. In some embodiments, one or more switch elements are accessible through the front wall of the housing such that settings can be changed after the lock assembly is installed.

The electronic control module may comprise two electronic switching elements and the operating mode may be selected based on a setting of each of the two electronic switching elements. Furthermore, the setting of each electronic switching element may be able to be selected from the group comprising a fail-safe setting, a fail-safe setting or an escape setting. The provision of each electronic switching element allows the locking mechanism to be configured to interact with the respective inner or outer hub of the manual actuator in a predetermined manner.

For example, setting two electronic switching elements to "power on unlocked" (power off latched) will configure the lock mechanism in the following manner: such that, in the event of a power failure, the manual actuator becomes inoperable (e.g., is in a locked condition) from both the inside and outside of the housing. Similarly, setting two electronic switching elements to "power-on-lock" (power-off-lock) will configure the lock mechanism in the following manner: such that in the event of a power failure, the manual actuator becomes operable from either the inside or the outside of the housing (e.g., in an unlocked condition).

Furthermore, setting one electronic switching element to "power-on unlocked" (power-off locked) and one electronic switching element to "power-on locked" (power-off unlocked) will configure the lock mechanism in the following manner: such that, in the event of a power failure, the manual actuator becomes inoperable from one side of the housing (e.g., in a locked condition) and operable from an opposite side of the housing (e.g., in an unlocked condition).

In addition, setting any of the electronic switching elements to an "always unlocked" (escape) setting configures the lock mechanism in the following manner: such that the manual actuator is always operable from the corresponding side of the housing (e.g., in an unlocked condition).

Thus, the operating mode may be selected from a plurality of operating modes including:

a first mode of operation wherein the user configurable settings include the power-off lockout settings for both the inner hub and the outer hub,

a second mode of operation wherein the user configurable settings include the power-off unlocked settings for both the inner hub and the outer hub,

a third mode of operation wherein the user configurable settings include the power-off lockout setting for the outer hub and the escape setting for the inner hub,

a fourth mode of operation wherein said user configurable settings include said power-off unlock setting for said outer hub and said escape setting for said inner hub,

a fifth mode of operation wherein said user configurable settings include said de-energized latched setting for said outer hub and said de-energized unlatched setting for said inner hub.

Additional user configurable setting combinations may be provided in additional modes of operation. Further, user configurable settings for each of the inner hub and the outer hub may be reversed to provide additional modes of operation. For example, a sixth mode of operation may include the de-energized unlocked setting for the outer hub and the de-energized locked setting for the inner hub; a seventh mode of operation may include the escape setting for the outer hub and the power-off unlock setting for the inner hub; and a ninth mode of operation may include the escape setting for the outer hub and the power-off lockout setting for the inner hub.

Advantageously, configuring the electronic control module to receive a control signal and a separate power signal as described above allows selection of any of the above at least five operating modes during installation. Unlike previously known mortise lock assemblies, the present invention allows at least all of the above five different operating modes to be achieved without any other means, such as an electronic door lock.

The control signal may provide a lock signal or an unlock signal for driving the lock mechanism to operate in one of the operating modes, and when the selected operating mode includes a de-energized locked setting or a de-energized unlocked setting for each of the inner hub and the outer hub, the electronic control module may be configured to drive the lock mechanism such that: upon receiving the unlock signal, the inner hub and the outer hub become operable, and upon receiving the lock signal, the inner hub and the outer hub become inoperable. When the selected operating mode includes an escape setting for the inner hub or the outer hub, the hub associated with the escape setting may become operable regardless of the control signal.

In one embodiment, the lock signal comprises a power-on signal and the unlock signal comprises a power-off signal, or vice versa. In some embodiments, the lock signal and the unlock signal may be defined based on the selected operating mode. For example, in the first and third operating modes, the lock signal may be a power-off signal and the unlock signal may be a power-on signal; in the second and fourth operating modes, the lock signal may be a power-on signal and the unlock signal may be a power-off signal. In the fifth mode of operation, either the lock or unlock signal may be a power on or power off signal. In one embodiment, in the fifth mode of operation, the lock signal may be a power on signal and the unlock signal is a power off signal.

In the event of a power failure in which both the control signal and the power signal are lost, the electronic control module may be configured to:

determining whether the lock mechanism requires a change in operating state, an

Upon determining that a change in operating state is required, a drive signal is generated based on the selected operating mode to drive the lock mechanism to a desired operating state.

In some cases, the operational state of the lock mechanism remains unchanged between normal operation ("non-fault" state) and operation in response to a power fault event ("fault" state). For example, in the first mode of operation, both the inner and outer hubs are generally inoperable unless an "unlock" control signal is received. In case of a power failure, both the inner hub and the outer hub should remain in the inoperable state in the first mode of operation. Thus, in this situation, in the event of a power failure, the electronic control module will determine that the lock mechanism does not need to change operating states when operating in the first operating mode.

In some cases, it is desirable to change the operating state of the lock mechanism between normal operation (the "non-faulted" state) and operation during a power failure event (the "faulted" state). For example, in the second mode of operation, both the inner and outer hubs are generally inoperable unless an "unlock" control signal is received. In case of a power failure, both the inner hub and the outer hub should become operable in the second mode of operation. Thus, in this situation, in the event of a power failure, the electronic control module will determine that the lock mechanism needs to change operating state when operating in the second operating mode.

When the selected operating mode includes a de-energized locked setting for the outer hub and a de-energized unlocked setting for the inner hub (e.g., a fifth operating mode), the electronic control module may be configured to drive the lock mechanism to a fourth operating state in the event of a power failure. As previously mentioned, embodiments of the present invention advantageously allow the mortise lock assembly to operate in the fifth mode of operation without the need for additional devices such as a separate electronic door lock (as with previously known mortise lock assemblies), thereby reducing component costs. In this manner, no separate configuration and modification of the mortise lock assembly is required, and the fifth mode of operation can be conveniently selected by means of a user-configurable switch element accessible through the exterior of the housing, thereby reducing labor costs and the risk of human error.

When the selected operating mode includes the power-off lockout setting for each of the inner hub and the outer hub, the electronic control module may be configured to maintain the lock mechanism in the third operating state in the event of a power failure. When the selected operating mode includes the power-off unlock setting for each of the inner hub and the outer hub, the electronic control module may be configured to move the lock mechanism to the first operating state in the event of a power failure. When the selected operating mode includes the power-off lockout setting for the outer hub and the escape setting for the inner hub, the electronic control module may be configured to maintain the lock mechanism in the fourth operating state in the event of a power failure. When the selected operating mode includes the power-off unlock setting for the outer hub and the escape setting for the inner hub, the electronic control module may be configured to drive the lock mechanism to the first operating state in the event of a power failure.

When the mortice lock assembly receives a single input signal, for example to meet compatibility requirements, the mortice lock assembly is advantageously capable of operating in a first mode of operation, a second mode of operation, a third mode of operation or a fourth mode of operation, similar to previously known mortice lock assemblies.

For example, the electronic control module may include one or more user configurable settings for selecting an operating mode for the mortise lock assembly, the operating mode including a fail safe setting, a fail secure setting, or an escape setting for each of the inner hub and the outer hub, and

when the electronic control module is configured to operate with the single input signal, the single input signal including a power-on signal and a power-off signal, the electronic control module is configured to:

maintaining the lock mechanism in the third operational state in the event of a power failure when the selected operational mode includes the power-off lockout setting for the inner hub and the power-off lockout setting for the outer hub,

driving the lock mechanism to the first operational state in the event of a power failure when the selected operational mode includes the de-energized unlocked setting for the inner hub and the de-energized unlocked setting for the outer hub,

maintaining the lock mechanism in the fourth operating state in the event of a power failure when the selected operating mode includes the power-off lockout setting for the outer hub and the escape setting for the outer hub, and/or

Driving the lock mechanism to the first operational state in the event of a power failure when the selected operational mode includes the power-off unlock setting for the outer hub and the escape setting for the inner hub.

The electronic control module may include a microcontroller for generating a drive signal based on the input signal and the selected operating mode, and wherein the drive signal drives a motor associated with the lock mechanism and the motor drives the lock mechanism to a desired operating state.

The microcontroller may be configured to determine whether the lock mechanism requires a change in operating state and, upon determining that a change in operating state is required, generate a drive signal to drive the motor based on the selected operating mode, the motor moving the lock mechanism to a desired operating state.

The electronic control module may include a motor drive circuit for driving the motor based on the drive signal.

The electronic control module may include a single motor for adjusting respective portions of the lock mechanism between different operating states.

The lock mechanism may include an inner pawl and an outer pawl each independently movable between a locked condition and an unlocked condition by action of the motor. In the locked condition, each pawl is engageable with a respective hub of the lock mechanism to prevent movement of the respective hub, thereby rendering the respective hub inoperable. In one embodiment, the inner pawl and the outer pawl are movable between four different combinations of positions

An unlocked condition for each of the inner and outer pawls corresponding to the first operating state;

a locked condition for the inner pawl and an unlocked condition for the outer pawl corresponding to the second operating state;

a locked condition for each of the inner pawl and the outer pawl corresponding to the third operating state; and

an unlocked condition for the inner pawl and a locked condition for the outer pawl corresponding to the fourth operating state.

Each of the four operating states may correspond to an angular position of the output shaft of the motor and associated cam, such that each operating state may be achieved by moving the motor and thus the output shaft to the corresponding angular position. The motor, its output shaft and associated cam may have four predetermined angular positions corresponding to each combination of positions of the inner and outer pawls and to this each operating state of the lock mechanism.

The motor is drivable by a motor drive circuit between four predetermined angular positions. In particular, the drive signal generated by the microcontroller may operate a motor drive circuit to drive the motor between predetermined angular positions.

The electronic control module may include a motor position sensor for monitoring the position of the motor output shaft and providing feedback to the microcontroller. The microcontroller may generate a drive signal for the motor drive circuit to drive the motor until the motor sensor detects that the motor has reached the desired angular position.

Any suitable position sensor may be used. In one embodiment, the position sensor may comprise a magnetic rotary encoder and associated magnet mounted to the motor output shaft or to a cam of the output shaft.

The electronic control module may also include a power storage device for providing power to the electronic control module during a power failure event. In particular, in the event of a power failure, the power storage device provides power to the microcontroller, the motor drive circuit, and the motor to drive the lock mechanism to a desired operating state.

The power storage device may be disposed externally or internally relative to the housing of the mortise lock assembly. Typically, the power storage means is provided within the housing of the mortice lock assembly. Any suitable power storage device may be used, such as a battery or capacitor, etc. In one embodiment, the power storage device is a capacitor.

The electronic control module may include a capacitor management circuit for charging the capacitor during normal operation and discharging the capacitor in the event of a power failure to supply power to the electronic control module. In the event of a power failure, the capacitor may provide sufficient power to the microcontroller to generate an appropriate drive signal based on the selected operating mode and cause the motor drive circuit to drive the motor based on the drive signal until the motor sensor detects that the motor has reached the desired angular position.

According to another aspect of the present invention there is provided a mortice lock assembly for use with a door, the mortice lock assembly including:

a lock mechanism configurable to operate in one or more locking and unlocking operational states,

an electronic control module for controlling operation of the lock mechanism, the electronic control module configured to receive

A control signal for driving the lock mechanism to operate in one of the operating states, an

A power signal for providing power to the electronic control module, wherein the power signal is provided separately from the control signal.

The lock assembly may include:

a manual actuator comprising an inner hub and an outer hub, each operable to independently move a bolt of the lock assembly from at least an extended position to a retracted position, and

wherein the lock mechanism interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable, and

wherein the electronic control module includes one or more user configurable settings for selecting an operating mode for the mortise lock assembly, the operating mode including

A power-off unlock setting, a power-off lockout setting, or an escape setting for each of the inner hub and the outer hub.

In one embodiment, selectable operating modes include said de-energized latched setting for said inner hub and said de-energized unlatched setting for said outer hub.

When the operating mode includes the de-energized latched setting for the outer hub and the de-energized unlatched setting for the inner hub, in the event of a power failure, the electronic control module may be configured to drive the latch mechanism to cause the outer hub of the manual actuator to become inoperable and the inner hub of the manual actuator to become operable.

According to another aspect of the present invention there is provided a mortice lock assembly for use with a door, the mortice lock assembly including:

the outer shell is provided with a plurality of grooves,

a plug movable relative to the housing between an extended position and a retracted position,

a manual actuator including an inner hub and an outer hub each operable from an inside or an outside of the housing to move the bolt from at least the extended position to the retracted position,

a lock mechanism that interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable, the lock mechanism configurable to operate according to a selected operating mode,

wherein the operating mode is selected from a plurality of operating modes, each operating mode including a power-off unlock setting, a power-off lockout setting, or an escape setting for each of the inner hub and the outer hub,

the lock assembly has an electronic control module for controlling operation of the lock mechanism, the electronic control module being configured to enable selection of an operating mode, the operating mode including a de-energized latched setting for the outer hub and a de-energized unlatched setting for the inner hub.

Thus, embodiments of the present invention may provide a multi-functional and versatile mortise lock assembly in a single device to, for example, enable certain modes of operation as described above without the need for an electronic door lock. In some embodiments, the mortise lock assembly may be backward compatible with existing external control and monitoring systems configured for operation with conventional mortise lock assemblies without reconfiguration.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics disclosed herein may be combined in any suitable manner in one or more combinations.

In order that the invention may be more readily understood and put into practical effect, one or more preferred embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings.

Drawings

Figure 1 is an isometric view of a mortice lock assembly according to an embodiment of the invention with a cover plate forming part of the housing removed.

Fig. 2 is an exploded isometric view of the lock mechanism, inner hub and outer hub of the mortice lock assembly shown in fig. 1.

Fig. 3A is an isometric view of the partially assembled lock mechanism shown in fig. 2 with both the inside pawl and the outside pawl in the unlocked position, showing a first operating state of the lock mechanism.

FIG. 3B is a side elevational view of the partial assembly illustrated in FIG. 3A, showing the internal pawl in a released position.

Fig. 3C is a top plan view of a portion of the partial assembly shown in fig. 3A and 3B, showing the angular position of the cam associated with the motor of the lock mechanism with the inner and outer pawls in the unlocked position.

Fig. 3D is an isometric view of the partially assembled lock mechanism shown in fig. 2 with the inner pawl in the locked position and the outer pawl in the unlocked position, illustrating a second operational state of the lock mechanism.

Fig. 3E is a side elevational view of the partial assembly illustrated in fig. 3D, showing the outer pawl in a released position.

Fig. 3F is a top plan view of a portion of the partial assembly shown in fig. 3D and 3F, showing the angular position of a cam associated with the motor of the lock mechanism with the inner pawl in the locked position and the outer pawl in the unlocked position.

Fig. 4A is an isometric view of the partially assembled lock mechanism shown in fig. 2 with both the inside pawl and the outside pawl in the locked position, showing a third operational state of the lock mechanism.

FIG. 4B is a side elevational view of the partial assembly illustrated in FIG. 4A, showing the internal pawl in a locked position.

Fig. 4C is a top plan view of a portion of the partial assembly shown in fig. 4A and 4B showing the angular position of the cam associated with the motor of the lock mechanism with the inner and outer pawls in the unlocked position.

Fig. 4D is an isometric view of the partially assembled lock mechanism shown in fig. 2 with the outer pawl in the locked position and the inner pawl in the unlocked position, illustrating a fourth operational state of the lock mechanism.

Fig. 4E is a side elevational view of the partial assembly shown in fig. 4D, showing the outer pawl in the locked position.

Fig. 4F is a top plan view of a portion of the partial assembly shown in fig. 4D and 4F, showing the angular position of a cam associated with the motor of the lock mechanism with the outer pawl in the locked position and the inner pawl in the unlocked position.

Figure 5 is a schematic view of a control system for a mortice lock assembly according to an embodiment of the invention.

Fig. 6 is a schematic diagram showing different operating states of the lock mechanism as partially shown in fig. 3A to 4F for each selected operating mode.

FIG. 7A is a flow diagram illustrating the operation of an electronic control module when two separate input signals are received, according to one embodiment of the present invention.

Fig. 7B is a flow diagram illustrating the operation of an electronic control module when a single input signal is received, according to one embodiment of the present invention.

Fig. 7C is a flow chart illustrating operation of the electronic control module when a second (control) input signal is received after operation with a single input signal.

Detailed Description

FIG. 1 is an isometric view of a mortise lock assembly 100 having an electronic control system 500 (see FIG. 5) according to an embodiment of the present invention. The lock assembly 100 includes a housing 102, a plug 106 movable between an extended position and a retracted position (only the plug 106 in the extended position is shown in fig. 1), a manual actuator 108, the manual actuator 108 including an outer hub 110a and an inner hub 110b (see fig. 2), the outer hub 110a and the inner hub 110b each being operable from an outside or an inside of the housing 102, respectively, to move the plug 106 between the extended position and the retracted position.

A cover plate (not shown) forming part of the housing 102 is removed to more clearly show the internal components of the mortise lock assembly 100. The mortise lock assembly 100 forms part of a lock having an inner door fitting and an outer door fitting (not shown) for installation in a door. Each of the inner and outer door fittings includes a handle (not shown) that is rotatable relative to the door fitting to engage with the manual actuator 108 and operate the lock assembly 100 from the inside of the door or the outside of the door, respectively.

The plug 106 forms a portion of a latch plug assembly 114. The plug assembly 114 includes a plug body 116 within the housing 102, the plug body 116 configured to slide within the housing 102 between an extended position as shown and a retracted position (not shown). A biasing spring (hidden) acts between the rear wall of the housing 102 and the plug body 116 to urge the plug assembly 114 toward the extended position. Fig. 1 also shows an auxiliary plug assembly 120, which includes an auxiliary plug head 122 and an auxiliary plug body 123. An auxiliary plug spring (hidden) acts between the auxiliary plug body 123 and the rear wall of the housing 102 to urge the auxiliary plug head 120 toward the extended position as shown. The auxiliary bolt assembly 120 interacts with the latch bolt assembly 114 to deadlock the latch bolt assembly 106 in the extended position when the door is closed, in a manner that will be understood by those skilled in the art. The details of the structural interaction of the auxiliary bolt assembly 120 with the latch bolt assembly 114 are not essential to the invention, but preferably there is some interaction to achieve the deadlock function.

The latch bolt assembly 114 is adjustable relative to the housing 102 by operation of a manual actuator 108, the manual actuator 108 including an outer hub 110a, a hub lever 124 and an inner hub 110b (see fig. 2) of fig. 1. Upon rotation of the inner or outer handle, both inner hub 110b and outer hub 110a, respectively, are independently rotatable about hub axis X-X (see fig. 2). Rotation of either inner hub 110b or outer hub 110a about hub axis X-X will cause hub rod 124 to also rotate about hub axis X-X to retract the latch bolt assembly.

The lock mechanism 104 interacts with the manual actuator 108 to render each of the outer hub 110a and the inner hub 110b independently operable or inoperable. In particular, the lock mechanism 104 controls the rotation of either or both of the inner hub 110b and the outer hub 110 a. The lock mechanism 104 includes an outer pawl 126a and an inner pawl 126b (see fig. 2) that are each rotatable about a pawl axis Z-Z (see fig. 2). The motor 200 is used to independently move each of the outer and inner pawls 126a, 126b between the locked and unlocked conditions to inhibit or allow rotation of the outer hub 110a or the inner hub 110b, respectively. When either of the outer hub 110a or the inner hub 110b is inhibited from rotating, it becomes inoperable and the latch assembly 114 cannot move from the extended (locked) position to the retracted (unlocked) position. Conversely, when either of the outer hub 110a or the inner hub 110b is allowed to rotate, it becomes operable and the latch assembly 114 can be moved from the extended (locked) position to the retracted (unlocked) position by rotation of the operable hub 110a, 110 b. The incorporation of a single motor 200 rather than a solenoid may advantageously provide an alternative to lower power consumption. The interaction between the motor 200, the pawls 126a, 126b, and the hubs 110a, 110b will be discussed in further detail below with reference to fig. 2-4C.

The lock assembly 100 also has an electronic control circuit 128 (electronic control module). The electronic control module 128 forms part of a control system 500, which control system 500 will be discussed in further detail below with reference to fig. 5. The control circuit 128 includes: two electronic switching elements in the form of two three-position slide switches 112a, 112b for configuring the lock mechanism 104 to operate according to a selected operating mode; a plurality of sensors including a feedback position sensor for detecting a position of the drive motor 200 for driving the lock mechanism 104 between the locked condition and the unlocked condition; a microcontroller for generating a motor control signal based on the selected operating mode; and a power storage device in the form of an ultracapacitor (hidden) for providing power to the control system 500 in the event of a power failure. Other components of the circuit 128 will be discussed in further detail before referring to fig. 5.

Each of the switches 112a, 112b is readily accessible through an opening in the back of the housing 102 to conveniently allow configuration of the lock mechanism 104 by specifying the setting of each of the switches 112a, 112 b. As discussed in further detail below with reference to fig. 6, the switches 112a, 112b may be used to configure the lock mechanism 104 to operate according to a selected operating mode from a range of possible operating modes. Advantageously, the ability to utilize a pair of switches 112a, 112b to select a desired operating mode significantly simplifies the configuration process of the lock mechanism 104 and effectively prevents user manipulation errors during installation.

As shown in fig. 1, the housing 102 also includes an opening for a connection module 104, the connection module 104 for coupling the lock assembly 100 to a power source and interfacing the control module 128 with an external control and monitoring system as well as other peripherals and components of the control system 500 as discussed further below with reference to fig. 5.

Referring now to fig. 2-4F, the lock mechanism 104 includes a single motor 200 having an output drive shaft 202 that rotates about an electric actuator axis a-a. The electric actuator axis a-a is substantially perpendicular to and spaced from the pawl axis Z-Z.

The lock mechanism 104 also includes a gearing arrangement between the motor 200 and the inner and outer pawls 126b, 126 a. The transmission includes a cam 204 that is rotatable about an actuator axis a-a when the motor 200 is operated. The transmission also includes an inner cam follower 206b and an outer cam follower 206a that move linearly in response to rotation of the cam 202. The motor 200, inner cam follower 206b and outer cam follower 206a are located within a two- part housing 208a,208 b. The housings 208a,208b also house inner and outer springs 210b, 210a that act between the housing portions 208a,208b and the inner and outer cam followers 206b, 206a, respectively, to urge the inner and outer cam followers 206b, 206a towards the output shaft 202 of the motor 200 so that the cam followers 206b, 206a continuously abut the face of the cam 204.

Fig. 2 also shows a pawl shaft 212, and each of the inner pawl 126b and the outer pawl 126a is mounted on the pawl shaft 212 so as to rotate thereabout. A sensor board 214 forming part of the control circuit 128 and including a cam sensor 302 in the form of a magnetic rotary encoder that interfaces with a magnet 526 attached to the output shaft 202 of the motor to determine the angular position of the shaft 202 (see fig. 5). Similarly, the sensor board 214 also includes a hub sensor 300 for sensing the angular position of each of the hubs 110a, 110 b. In some embodiments, other suitable sensors may be used, such as a microswitch.

Fig. 3A to 4F show in more detail four different operating states of the lock mechanism. In particular, it is possible to use, for example,

a first operating state of the lock mechanism 104 is shown in fig. 3A-3C;

a second operational state of the lock mechanism 104 is shown in fig. 3D-3F;

a third operating state of the lock mechanism 104 is shown in fig. 4A-4C; and is

A fourth operating state of the lock mechanism 104 is shown in fig. 4D-4F.

Reference is now made to fig. 3A-3C, which illustrate both the inner and outer pawls 126b, 126a in an unlocked condition relative to the inner and outer hubs 110b, 110a, respectively. This positional arrangement shows a first operational state of the lock mechanism 104 in which both the inner hub 110b and the outer hub 110a are rotatable about the actuator axis X-X.

As shown more clearly in fig. 3B, the lower arm 304 of the inner pawl 126a is received in the groove 306 of the inner cam follower 206a for movement therewith. The inner spring 210a urges the inner cam follower 206a to cause the inner pawl 126a to assume the position shown in fig. 3B, and as shown in fig. 3B, the inner cam follower 206a is considered to be in the unlocked position.

In the plan view shown in fig. 3C, the cam 204 and both the inner and outer cam followers 206a and 206b are in the unlocked position. In the unlocked condition, rotation of inner hub 110b and outer hub 110a is permitted.

Fig. 3D to 3F show the cam 204 (see fig. 3F) after being rotated by 90 ° by the operation of the motor 200, whereby the cam surface 204 slides over the bearing surface of each of the inner cam follower 206b and the outer cam follower 206 a. As shown more clearly in fig. 3E and 3F, rotation of the cam 204 has pushed only the inner cam follower 206b toward the locked position, causing the inner pawl 126b to rotate in a counterclockwise direction such that the upper arm of the inner pawl 126b is located below the shoulder 311 of the inner hub 110 b. As shown more clearly in fig. 3F, with the cam 204 in the position shown in fig. 3F, the inner pawl 126b is in the locked condition and the outer pawl 126a is in the unlocked condition. In this condition, rotation of the inner hub 110b is prevented and rotation of the outer hub 110a is permitted, thereby illustrating a second operational state of the lock mechanism 104.

Fig. 4C shows the cam 204 after being rotated 180 ° by the operation of the motor 200 (see fig. 4B), whereby the cam surface 204 slides over the bearing surfaces of each of the inner and outer cam followers 206B and 206 a. As shown more clearly in fig. 4B and 4C, rotation of the cam 204 has pushed the outer cam follower 206a toward the locked position, causing the outer pawl 126a to rotate in a counterclockwise direction such that the upper arm 308 of the outer pawl 126a is located below the shoulder 310 of the outer hub 110 a. This arrangement corresponds to fig. 4C, which shows both the inner pawl 126b and the outer pawl 126a in the locked position due to the cam 204 adopting the position shown in fig. 4C. In the locked condition, rotation of the inner hub 110b and the outer hub 110a, respectively, is prevented. The positional arrangement of the components shown in fig. 4A-4C illustrates a third operational state of the lock mechanism 104.

Fig. 4D to 4F show the cam 204 (see fig. 4F) after being rotated 270 ° by the operation of the motor 200, whereby the cam surface 204 slides over the bearing surface of each of the inner cam follower 206b and the outer cam follower 206 a. As shown more clearly in fig. 4E and 4F, rotation of the cam 204 has pushed only the outer cam follower 206a toward the locked position, causing the outer pawl 126a to rotate in a counterclockwise direction such that the upper arm 308 of the outer pawl 126a is located below the shoulder 310 of the inner hub 110 b. As shown more clearly in fig. 4F, with the cam 204 in the position shown in fig. 4F, the inner pawl 126b is in the unlocked condition and the outer pawl 126a is in the locked condition. In this condition, rotation of the inner hub 110b is permitted and rotation of the outer hub 110a is prevented, thereby illustrating a fourth operational state of the lock mechanism 104.

Additional details regarding the mechanical control and operation of the Lock assembly 100 are described in australian provisional application No. 2017902959 entitled "a mobile LockAssembly with a Powered Lock Actuator," which is incorporated herein by reference.

The mortice lock assembly 100 is preferably configured to respond to a power failure event in a predetermined manner. In this regard, it is preferred that each hub 110a, 110b of the lock mechanism 104 be selectable for operation in an "energized locked" (i.e., de-energized unlocked) setting, an "energized unlocked" (i.e., de-energized locked, also referred to as "energized open") setting, or an "always unlocked" (i.e., escape/free access) setting.

Each of the three positions (settings) of each sliding switch 112a, 112b corresponds to one of the "fail safe", "fail secure", and "escape" settings, such that each sliding switch 112a, 112b can be used to independently configure one of the two hubs 110a, 110b of the manual actuator 108. In particular, the control module 128 drives the motor 200 between the four different operating states described above with reference to fig. 3A-4F depending on the setting of each of the switches 112a, 112b, which moves each of the inner pawl 126b and the outer pawl 126a between the unlocked position and the locked position, respectively, in order to regulate operation of the lock mechanism 104.

For example, during a power failure event, if the inner switch 112b is set to "fail safe" and the outer switch 112a is set to "fail safe", the inner pawl 126b will assume the unlocked condition and the outer pawl 126a will assume the locked condition. This will allow people inside the building to continue to leave during a power failure event while preventing people outside the building from entering the building.

A schematic diagram of a control system 500 is shown in fig. 5. The control system 500 includes: the control module 128 of the lock assembly 100; an external control and monitoring system 502, the external control and monitoring system 502 coupled to the control module 128 through the connector module 104; and an access card reader 504, the access card reader 504 for generating a "request for entry" signal upon successful authentication of the access card to grant access to the user. The access card reader 504 may be a contactless or contact-based card reader. Alternatively or in combination, an access control code keyboard may be used.

The control circuit 128 includes a microcontroller 506 for determining appropriate drive signals for a motor drive integrated circuit (motor drive IC)508 to drive the motor 200 to an angular position (see fig. 3A-4F) corresponding to a desired operating state of the lock mechanism 104 based on various control signals and settings, including one or more input signals from the external control and monitoring system 502, the setting (i.e., selected operating mode) of each switch 112a, 112b, and whether a power failure event exists. The desired operating state for each selected operating mode during normal operation ("non-fault" state) and power fault operation ("fault" state) will be discussed in more detail below with reference to fig. 6.

When the microcontroller 506 receives one or more input signals, the microcontroller 506 generates a drive signal 522 for the motor drive IC 508 to drive the motor 200 to move the corresponding pawl 126 of the lock mechanism 104 to the locked or unlocked condition, as previously discussed with reference to fig. 2-4F.

Depending on the settings of the two switches 112 (i.e., the selected operating mode), the lock signal or unlock signal may be a power on or power off signal. For example, if both switches 112 are set to "power off lockout," the lock signal may correspond to a power off signal and the unlock signal may correspond to power. Conversely, if both switches 112 are set to "power off unlocked", the lock signal may correspond to a power on signal and the unlock signal may correspond to a power off signal.

During installation of the lock assembly 100, the external control and monitoring system 502 is pre-configured based on the setting of the switch 112 such that the external monitoring system 502 converts the unlock signal (i.e., after successful authentication of the user's access card at the card reader 504) to a power on or power off signal. In general, the external control and monitoring system 502 is preconfigured to assign a power-on signal to represent a lock signal and a power-off signal to represent an unlock signal, or vice versa, based on a selected mode of operation during installation.

When the microcontroller 506 receives one or more input signals, the microcontroller 506 calculates the angular displacement required by the motor 200 and cam 204 to achieve the desired locked or unlocked condition of each pawl 126, and generates a drive signal 522 to move the motor 200 based on the determined angular displacement. The microcontroller 506 determines the current angular position of the motor 200 and cam 204 based on the cam sensor 302 (see also fig. 3B), which cam sensor 302 is a magnetic rotary encoder located on the sensor board 214 (see fig. 2) that interfaces with a magnet 526 on the motor shaft to track the angular position of the output shaft 202. The drive circuit IC 508 then drives the motor 200 based on the drive circuit control signal 522 and feedback from the magnetic rotary encoder 302 until the desired angular displacement is achieved. The desired angular displacement corresponds to a desired operating state of the lock mechanism 104.

Control module 128 may be configured to interface with external monitoring system 502 to receive a single input signal or two separate input signals, depending on the requirements of the site. Whether the control system 500 is configured with one or more input signals may depend on user preferences, limitations or requirements of the facility to which the lock assembly will be attached, or the capabilities of available external monitoring systems, etc., or any combination of these factors. As previously mentioned, conventional mortise lock assemblies are typically configured to operate with a single input signal.

More particularly, the main connector 104 provides three contacts (not shown) for coupling to the external control and monitoring system 502 and receiving one or more input signals. When the external control and monitoring system 502 is configured to provide two separate input signals, a first contact is coupled to the external control and monitoring system 502 to receive a control signal for driving the lock mechanism 104 to operate in one of the operating states, a second contact is coupled to the external control and monitoring system 502 to receive a power signal for powering the electronic control module 128, and a third contact is used for ground. The first contact is connected to the input line 516 and the second contact is connected to the input line 514. The ground connection associated with the third contact is not shown.

Thus, the control signal is transmitted through input line 516, and the power signal is transmitted through input line 514. During normal operation, power is always supplied to the control module 128 through input line 514, and the control signal transmitted through input line 516 will be a lock or unlock signal. For example, the control signal may be an unlock signal when a "request for entry" signal is generated after successful authentication by the external card reader 504. Depending on the selected operating mode, the unlock signal may be a power on or power off signal, as discussed in further detail below with reference to fig. 6.

When the control module 128 receives two separate input signals, power is continuously supplied to the control module 128 through the input line 514. In particular, the 9VDC-28VDC mains voltage is stepped down to a regulated 3.6VDC by the step-down power circuit module 518. As mentioned, the second input line 516 provides a lock or unlock signal to the microcontroller 506. The power detection circuit module 520 detects power connected to the input line 516 so that the microcontroller 506 can process signals from the second input line 516 accordingly. The operation of the control module 128 when two separate input signals are received will be discussed in further detail below with reference to fig. 7A.

When it is desired to provide a single input signal, the input lines 514 and 516 may be connected to each other at the main connector 104 or outside the main connector 104 such that both input lines 514, 516 receive the single input signal simultaneously. Typically, the input line 514 is connected to an external power source, such as mains power. Thus, a single power on/off signal powers the electronic control circuit 128 and provides instructions to the microcontroller 506 so that the appropriate drive signal can be generated to move the motor 200 to the desired angular position corresponding to the desired operating state of the lock mechanism 104. The operation of the control module 128 when both input lines 514, 516 receive a single input signal at the same time will be discussed in further detail below with reference to fig. 7A.

Alternatively, a single input signal may be transmitted only through input line 514. In this embodiment, input line 516 is disconnected. The microcontroller 506 may be configured to operate with a single input signal until the power detection circuit module 520 detects power on the input line 516. Once power is detected on input line 516, the microcontroller changes to operate with two separate input signals. This will be discussed in further detail below with reference to fig. 7C.

The control module 128 also includes a capacitor 510 in the form of a super capacitor and an associated capacitor management integrated circuit (capacitor management IC) 512. During normal operation, the capacitor 510 receives charge from an external power source, such as mains power, and in the event of a power failure, the capacitor 510 discharges and provides sufficient power to allow the control module 128 to drive the motor 200 and move the lock mechanism 104 according to the selected operating mode.

The control circuit 128PCB (not shown) includes a power rail 513 for supplying power to the circuit components. Typically, power rail 513 provides a regulated 3.6VDC that is stepped down from an external power source (such as mains power).

During normal operation, power for the microcontroller 506, motor drive IC 508, and motor 200 is provided by power rail 513. The capacitor management IC 512 also charges the capacitor 510 using power from the power rail 513. Typically, the capacitor management IC 512 charges the capacitor to a maximum of 2.5 VDC. The capacitor management IC 512 monitors the voltage of the capacitor 510 in conjunction with the desired charge time to monitor the health of the capacitor 510.

As mentioned, in normal operation, the microcontroller 506 receives one or more input signals on one or both input lines 514, 516. In the event of a power failure, the digital input to microcontroller 506 detects the absence of voltage on input line 516. Nor is power supplied through input line 514. During a power failure event, the capacitor management IC 512 draws power from the capacitor 510 and maintains the power rail 513 at 3.2VDC for a period of time. Typically, the capacitor 510 is capable of maintaining the power rail 513 at 3.2VDC for about 30 seconds. During this time, the microcontroller 508 determines the angular displacement (if any) required to move the respective pawl 126 of the lock mechanism 104 to the desired locked or unlocked condition based on the selected operating mode and generates the drive signal 522 for the motor drive IC 508. The motor drive IC 508 then drives the motor 200 to the desired angular displacement, as previously described. If the feedback from the magnetic rotary encoder 302 indicates that one or both of the respective pawls 126 have been arranged in the desired locked/unlocked condition (i.e., the lock mechanism has been in the desired operating state), the microcontroller 508 does not generate the drive circuit control signal 522 to move the motor 200.

The control module 128 also includes a latching relay circuit module 528, a deadlock monitoring module 532, a door position monitoring module 534, a key override monitoring module 536, and a request exit monitoring module 538 that are used to provide feedback to the external monitoring system 502 so that the external monitoring system 502 can monitor the health of the lock assembly and the detected abnormalities. Each of the feedback modules 528, 532, 534, 536, 538 is coupled to an external monitoring module by the master connector module 104. In addition, each feedback module 528, 532, 534, 536, 538 is connected to the main connector module 104.

The latching relay circuit 528 indicates to the external monitoring system 502 the locked or unlocked position of each hub 110a, 110b of the lock mechanism 104 based on the corresponding position of the cam 204, and a relay drive integrated circuit (relay drive IC)530 is used to drive the respective relay switch of the circuit 528 according to the position of each pawl 126 as determined by the microcontroller 506. Since the latching relays do not require power to remain in a particular state, the latching relays will reliably indicate the correct position of each pawl 126 (which corresponds to locking the lock mechanism 104 from the inside or outside of the housing 102) even when the control circuit 128 loses power, for example, during a fault or power interruption event.

The deadlock monitoring module 532 monitors the position of at least the auxiliary bolt assembly 120 (see FIG. 1). The door position monitoring module 534 includes a magnet mounted in the door frame that interfaces with an associated reed switch (not shown) to detect the closed position of the door.

The key override monitoring module 536 generates a notification signal for the external monitoring system 502 when an authorized user retracts the latch assembly 114 using a key so that corresponding alarms generated from the door position monitoring module 534 and the deadlock monitoring module 532 may be ignored when opening the door.

The request exit monitor module 538 detects when a user attempts to retract the latch assembly 114 by attaching to the handle of the outer hub 110a or the inner hub 110b of the manual actuator 108 of the lock assembly 100. If the corresponding switch 112a, 112b setting for the operated handle is set to "escape," the detected user operation of the handle will send a notification signal to the external monitoring system 502 so that the corresponding alarm signals generated by the deadlock monitoring module 532 and the door position monitoring module 534 will be ignored when the operation of the handle retracts the latch assembly 114 and unlocks the door.

Thus, the external monitoring system may detect unauthorized entry in the presence of an alarm signal from the deadlock monitoring module 532 and/or the door position monitoring module 534 without the aforementioned notification signal from the key override monitoring module 536 or request to leave the monitoring module 538.

The control circuit 128 also includes a USB connector 542 for allowing USB connection between the control circuit 128 and external devices and systems, such as diagnostic tools and systems. The buck power circuit 544 buck the typical 5VDC drawn from the external USB source to 3.3VDC to supply 3.3VDC to the power rail 513.

The control circuit 128 also includes an LED output 548 controlled by an LED driver circuit 546. The LEDs 548 can be visible through the inner and outer door fittings of the lockset associated with the door assembly 100 to indicate the operational status and/or condition of the lock assembly 100. For example, an LED visible through the interior door fitting may be "green" to indicate that the interior hub 110b becomes operable with the lock mechanism 104, and thus that the door is unlocked from the interior side of the door; or may be "red" to indicate that the door is locked from the inside of the door.

The control circuit 128 also includes a heartbeat LED 552 to assist in diagnostics during maintenance or repair of the lock assembly 100. When the control circuit 128 is energized, the heartbeat LED 552 flashes at a pulse rate. The heartbeat LED may blink at one or more different pulse rates to indicate one or more faults of the control circuit 128.

The control circuit 128 also includes a buzzer 550 to provide an audible signal when the control circuit 128 detects a fault.

Fig. 6 is a schematic table 600 showing different operating modes that may be achieved by the lock assembly 100 when a single input is received by the electronic control module 128 and alternatively when two separate input signals are received by the electronic control module 128.

In particular, as shown in the first row of the table 600, two switch elements 112a, 112b may be used to configure the lock assembly 100 to operate in the following modes of operation:

a first mode of operation 602 in which the outer switching element 112a is set to "power-off lockout" and the inner switching element 112b is also set to "power-off lockout".

A second mode of operation 604, in which the outer switch element 112a is set to "fail safe" and the inner switch element 112b is also set to "fail safe".

A third mode of operation 606, in which the outer switching element 112a is set to "power-off lockout" and the inner switching element 112b is set to "escape".

A fourth mode of operation 608, in which the outer switch element 112a is set to "power off unlocked" and the inner switch element 112b is set to "escape".

A fifth operating mode 610, in which the outer switching element 112a is set to "power-off latched" and the inner switching element 112b is also set to "power-off unlatched".

Rows 620 and 622 of table 600 illustrate the operation of lock mechanism 104 when a single input signal is received. In particular, row 620 specifies when a single input signal is a "power on" signal in each of the operating modes 602-608

The operational status of the lock mechanism 104. Row 622 specifies the operational state of the lock mechanism 104 when the single input signal is a "power down" signal in each of the operational modes 602-608. To elaborate further, the microcontroller 506 is configured such that:

in the first operating mode 602, when the received single input signal is a "power on" signal (row 620), the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the first operating state (see fig. 3A-3C).

In the first mode of operation 602, when the received single input signal is a "power down" signal (row 622), the microcontroller 506 generates a drive signal (where power is provided by the power storage device 510) to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the third operating state (see fig. 4A-4C).

In the first mode of operation 602, during normal operation ("non-fault" state), no power is supplied to the control module 128 and both hubs 110a, 110b remain in an inoperable state (i.e., locked), and when a "request to enter" signal is generated, for example, after successful authentication of the access card by the card reader 504, the microcontroller 506 will receive an unlock signal in the form of a "power on" signal, the microcontroller 506 generating a drive signal to move the lock mechanism 104 to the first operating state, as discussed above. In a power failure event ("fault" state), no power is provided to the control module 128, the microcontroller 506 responds to the power failure event in the same manner as when the single input signal is in the "power off" state, and both hubs 110a, 110b remain in the third operating state or move to the first operating state under power provided by the power storage device 510.

Similarly, in the second operating mode 604, when the received single input signal is a power on signal (row 620), the microcontroller 506 generates a drive signal to cause the lock mechanism 104 to move to the third operating state (see fig. 4A-4C). In the second operating mode 604, when the received single input signal is a "power down" signal (row 622), the microcontroller 506 generates a drive signal to cause the lock mechanism 104 to move to the first operating state (see fig. 3A-3C).

In the second mode of operation 604, during normal operation, power is supplied to the control module 128 and both hubs 110a, 110b remain in the inoperable state (i.e., locked) until the microcontroller 506 receives an unlock signal in the form of a "power off signal, the microcontroller 506 generating a drive signal to move the lock mechanism 104 to the first operating state under power provided by the power storage device 510. In the event of a power failure, the microcontroller 506 responds to the power failure event in the same manner as when the single input signal is in the "power off" state, and both hubs 110a, 110b remain in the first operating state or move to the first operating state under power provided by the power storage device 510.

Similarly, in the third operating mode 606, when the received single input signal is a "power on" signal (row 620), the microcontroller 506 generates a drive signal to effectively move the lock mechanism 104 to the first operating state (see fig. 3A-3C). In the third operating mode 606, when the received single input signal is a "power down" signal (row 622), the microcontroller 506 generates a drive signal to cause the lock mechanism 104 to move to the fourth operating state (see fig. 4D-4F).

In the third mode of operation 606, the inner hub 110b is always operational regardless of the input signal. During normal operation, no power is supplied to the control module 128 and the lock mechanism 104 is maintained in the fourth operating state, and when the microcontroller 506 receives an unlock signal in the form of a "power on" signal, the microcontroller 506 generates a drive signal to move the lock mechanism 104 to the first operating state, as discussed above. In the event of a power failure, no power is provided to the control module 128, the microcontroller 506 responds to the power failure event in the same manner as when the single input signal is in the "power off" state, and the lock mechanism 104 remains in the first operational state or moves to the first operational state under power provided by the power storage device 510.

Similarly, in the fourth operating mode 608, when the received single input signal is a power on signal (row 620), the microcontroller 506 generates a drive signal to cause the lock mechanism 104 to move to the fourth operating state (see fig. 4D-4F). In the fourth operating mode 608, when the received single input signal is a "power down" signal (row 622), the microcontroller 506 generates a drive signal to cause the lock mechanism 104 to move to the first operating state (see fig. 3A-3C).

In the fourth mode of operation 608, the inner hub 110b is always operational regardless of the input signal. During normal operation, power is supplied to the control module 128 and the lock mechanism 104 is maintained in the fourth operating state, and when the microcontroller 506 receives an unlock signal in the form of a "power off" signal, a drive signal is generated to move the lock mechanism 104 to the first operating state under power provided by the power storage device 510. In the event of a power failure, no power is provided to the control module 128, the microcontroller 506 responds to the power failure event in the same manner as when the single input signal is in the "power off" state, and the lock mechanism 104 remains in the first operational state or moves to the first operational state under power provided by the power storage device 510.

As shown in rows 620 and 622 of table 600, when a single input signal is received, microcontroller 506 is unable to distinguish between a power interrupt event and a situation during normal operation where the input signal is a "power down" signal.

In the fifth mode of operation 610, the outer hub 110a is set to "power off latched" and the inner hub 110b is set to "power off unlatched". Theoretically, the fifth mode of operation 610 therefore requires: in the event of a power failure (i.e., when the single input signal is a "power off" signal), the motor 200 moves the lock mechanism 104 to the fourth operational state (i.e., the outer hub 110a is inoperable and the inner hub 110b is operable) (row 620). However, in this arrangement, when the received single input signal changes to an "on" signal, the motor 200 will move the lock mechanism 104 to the second operational state (i.e., the outer hub 110a is operable and the inner hub 110b is inoperable) (row 622). Thus, where only a single input signal is received, one of the hubs 110a, 110b will always be inoperable and one of the hubs 110a, 110b will always be operable regardless of the input signal. Such operation is problematic, for example, because both hubs 110a, 110b cannot be set to an inoperable (i.e., locked) condition by an input signal. As such, this would result in meaningless operation of the lock mechanism 104. In practice, only two different operating states can be achieved by a single binary input signal providing a power-on or power-off signal.

In such a case, the lock assembly 100 can be modified or installed to operate with an electronic door lock in order to achieve the desired operation in the fifth operational mode 610. Generally, the lock assembly 100 is configured such that one hub 110 is permanently locked and the electronic door lock is configured to operate in a fail-safe mode.

Rows 630, 632, 634 of table 600 illustrate the operation of lock mechanism 104 when two separate input signals are received. When two separate input signals are received, the power signal provides power to the electronic control module 127 (through input line 514) at all times during normal operation, and the control signal provides a "lock" or "unlock" signal (through input line 516) to change the operating state of the lock mechanism 104 accordingly. In the event of a power failure, no power is available and both the control signal and the power signal are in a "power off" state.

In particular, rows 630 and 632 show the operational state of the lock mechanism 104 when the lock assembly 100 is in normal operation ("non-faulted" state) in each mode of operation. Row 630 shows the operational state of the lock mechanism 104 when the received control signal is a "lock" signal in each of the operational modes 602-610. Row 632 shows the operational status of the lock mechanism 104 when the received control signal is an "unlock" signal in each of the operational modes 602-610. Row 634 shows the operating state of the lock mechanism 104 in the event of a power failure (the "fault" state) in each mode of operation. During a power failure event, both the control signal and the power signal are in a "power off" state. In further detail, when two separate input signals are received, the microcontroller 506 is configured such that:

during normal operation, the power signal always provides a "power on" signal to provide power to the control circuit 128. As shown in row 630, in the first operating mode 602, when the received control signal is a "lock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to a third operating state (see fig. 4A-4C). As shown by row 632, when the received control signal is an "unlock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the first operational state (see fig. 3A-3C). As shown in row 634, in the event of a power failure, when no power is available and both the control signal and the power signal are off, the lock mechanism 104 remains in the third operating state, or the power storage device 510 provides power to the microcontroller 506 to generate a drive signal to move the lock mechanism 104 to the third operating state (see fig. 4A-4C). Generally, in the first mode of operation 602, the "lock" signal is a "power off" signal and the unlock signal is a "power on" signal.

In the second operating mode 604, when the received control signal is a "lock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to a third operating state (see fig. 4A-4C), as shown in row 630. As shown by row 632, when the received control signal is an "unlock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the first operational state (see fig. 3A-3C). As shown in row 634, in the event of a power failure, when no power is available and both the control signal and the power signal are off, the power storage device 510 provides power to the microcontroller 506 to generate a drive signal to move the lock mechanism 104 to the first operational state (see fig. 3A-3C). Generally, in the second mode of operation 604, the "lock" signal is a "power on" signal and the unlock signal is a "power off" signal.

In the third mode of operation 606, the inner hub 110b is always in an operable condition regardless of the power and control signals received. When the received control signal is a "lock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to a fourth operational state (see fig. 4D-4F), as shown in row 630. As shown in row 632, when the received control signal is an "unlock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the first operational state (see fig. 3A-3C). As shown in row 634, in the event of a power failure, when no power is available and both the control signal and the power signal are off, the lock mechanism 104 remains in the fourth operating state, or the power storage device 510 provides power to the microcontroller 506 to generate a drive signal to move the lock mechanism 104 to the fourth operating state (see fig. 4D-4F). Generally, in the third operating mode 606, the "lock" signal is a "power off" signal and the unlock signal is a "power on" signal.

In the fourth operating mode 608, when the received control signal is a "lock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to a fourth operating state (see fig. 4D-4F), as shown in row 630. As shown in row 632, when the received control signal is an "unlock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the first operational state (see fig. 3A-3C). As shown in row 634, in the event of a power failure, when no power is available and both the control signal and the power signal are off, the lock mechanism 104 remains in the first operating state or the power storage device 510 provides power to the microcontroller 506 to generate the drive signal to move the lock mechanism 104 to the first operating state (see fig. 3A-3C). Generally, in the fourth operating mode 608, the "lock" signal is a "power on" signal and the unlock signal is a "power off" signal.

In the fifth operating mode 608, when the received control signal is a "lock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to a third operating state (see fig. 4A-4C), as shown in row 630. As shown in row 632, when the received control signal is an "unlock" signal, the microcontroller 506 generates a drive signal to drive the motor 200 through the motor drive circuit 508 such that the lock mechanism 104 moves to the first operational state (see fig. 3A-3C). As shown in row 634, in the event of a power failure, when no power is available and both the control signal and the power signal are off, the power storage device 510 provides power to the microcontroller 506 to generate a drive signal to move the lock mechanism 104 to the fourth operational state (see fig. 4D-4F). Generally, in the fourth operating mode 608, the "lock" signal is a "power on" signal and the unlock signal is a "power off" signal.

Advantageously, when two separate input signals are received, the microcontroller 506 is able to distinguish between a "power down" signal and a power failure event in the control signals during normal operation, in order to achieve the three different operating states as shown by lines 630, 632, 634 required for proper operation in the fifth operating mode 610, without the need for external peripheral devices such as electronic door locks. In practice, more than two different operating states may be achieved by two separate binary input signals (i.e., a control signal and a power signal).

Fig. 7A is a process flow diagram illustrating a method 700 in which the microcontroller 506 determines that it is suitable for operation with two input signals.

At query step 702, the microcontroller 506 determines whether power is being supplied to the control module 128. If power is supplied to the control module 128, the method 700 proceeds to step 704. If no power is supplied to the control module 128, the method 700 proceeds to step 706.

At step 704, microcontroller 506 uses power detection circuitry module 520 to determine whether a control signal is received via input 516.

At step 706, the microcontroller 506 determines that a power failure event has occurred and sets the lock mechanism 104 to the appropriate operating state as shown in row 634 of table 600 based on the selected operating mode 602-610. The microcontroller 506 will determine if the current operating state of the lock mechanism 104 needs to be changed and, if so, generate a drive signal to drive the motor 200 so that the correct operating state is achieved as shown in row 634, as previously discussed. The power storage device 510 provides power to the microcontroller to perform step 706. Once step 706 is completed, method 700 returns to query step 702.

At query step 708, the microcontroller 506 receives a lock/unlock control signal in the form of a power on/power off signal from input line 516, as discussed above. If a lock signal is received, method 700 proceeds to step 710. If an unlock signal is received, the method 700 proceeds to step 712.

At step 710, the microcontroller 506 sets the lock mechanism 104 to the appropriate operating state as shown in row 630 of table 600 based on the selected operating mode 602-610. Once step 710 is complete, method 700 returns to query step 702.

At step 712, the microcontroller 506 sets the lock mechanism 104 to the appropriate operating state as shown in row 632 of the table 600 based on the selected operating mode 602-610. Once step 712 is complete, method 700 returns to query step 702.

Figure 7B is a process flow diagram illustrating a method 720 for the microcontroller 506 when a single input signal is received, where the first and second contacts of the main connector module 104 are coupled together such that the input lines 516 and 514 simultaneously receive the same single binary input signal in the form of a power on/off signal.

In this implementation, microcontroller 506 performs process steps similar to method 720. Preferably, the microcontroller 506 executes the same control algorithm when two input signals are received through input lines 516, 514 as described in fig. 7A and when a single input signal is simultaneously received through input lines 516, 514.

At query step 722, the microcontroller 506 determines whether power is being supplied to the control module 128. If power is supplied to the control module 128, the method 720 proceeds to step 724. If no power is being supplied to the control module 128, the method 700 proceeds to step 726.

At step 724, microcontroller 506 uses power detection circuitry module 520 to determine whether a control signal is received via input 516.

At step 726, the microcontroller 506 determines that a power failure event has occurred and sets the lock mechanism 104 to the appropriate operating state as shown in line 622 based on the selected operating mode 602-608 (the fifth operating mode 610 is not available). The microcontroller 506 will determine if the current operating state of the lock mechanism 104 needs to be changed and, if so, generate a drive signal to drive the motor 200 so that the correct operating state is achieved as shown in row 622, as previously discussed. The power storage device 510 provides power to the microcontroller to perform step 726. Once step 726 is complete, method 720 returns to query step 722.

At step 728, microcontroller 506 receives power on/power off input signals received simultaneously through input lines 514 and 516. As previously described, the power down signal corresponds to the lock signal in the first operation mode 602 and the third operation mode 606, and the power up signal corresponds to the lock signal in the second operation mode 604 and the fourth operation mode 608.

At step 730, if both input lines 514 and 516 receive power on signals at the same time, the microcontroller 506 will set the lock mechanism 104 to the proper operating state as shown in row 620. If both input lines 514 and 516 receive a power down signal at the same time, microcontroller 506 will set lock mechanism 104 to the proper operating state as shown in row 622. After step 730, method 700 returns to method step 722. In this step, microcontroller 506 may simply check for input through input line 516 in the same manner as step 708 in method 700. Once step 730 is complete, method 720 returns to query step 722.

Fig. 7C is a process flow diagram illustrating another method 740 in which the microcontroller 506 determines whether to operate with a single input signal or two input signals. In one implementation, microcontroller 506 may default to receiving a single input signal.

At query step 742, microcontroller 506 determines whether power is being supplied to control module 128. If power is supplied to the control module 128, the method 740 proceeds to step 744. If no power is being supplied to the control module 128, the method 740 proceeds to step 746.

At step 744, the microcontroller 506 operates at its default setting. In a default setting, only a single input signal is received through input line 514, and input line 516 is disconnected. Based on the selected operating modes 602-608 (the fifth operating mode 610 is not available), the microcontroller 506 sets the lock mechanism 1041 to the appropriate operating state as shown in row 620 of table 600 in the event of receiving a power-on signal, or to the appropriate operating state as shown in row 622 of table 600 in the event of receiving a power-off signal.

At step 746, the microcontroller 506 determines that a power failure event has occurred and sets the lock mechanism 104 to the appropriate operating state as shown by line 622 based on the selected operating mode 602-608. The microcontroller 506 will determine if the current operating state of the lock mechanism 104 needs to be changed and, if so, generate a drive signal to drive the motor 200 so that the correct operating state is achieved as shown in row 622, as previously discussed. The power storage device 510 provides power to the microcontroller to perform step 746.

At step 748, microcontroller 506 uses power detection circuitry module 520 to determine whether a control signal is received via input 516. If power is detected through input line 516, method 740 proceeds to step 750. If power is not detected through the input line 516, the method 740 continues by operating on a single input signal and returns to step 752. Upon completion of step 748, method 740 returns to inquiry step 742.

At step 750, microcontroller 506 detects the control signal received through input line 516 and switches to operate with two separate input signals. The microcontroller 516 performs the method 700 as previously described with reference to fig. 7A.

The foregoing embodiments are merely illustrative of the principles of the invention and various modifications and changes will readily occur to those skilled in the art. The invention is capable of being practiced and carried out in various ways and in other embodiments. It is also to be understood that the terminology employed herein is for the purpose of description and should not be regarded as limiting.

The term "comprise" and variations of the term such as "comprises" or "comprising" are used herein to mean the inclusion of one or more of the stated integers but not the exclusion of one or more of any other integer, unless an exclusive interpretation of the term is required above or below.

The reference to prior art publications in this specification is not an admission that the publications constitute common general knowledge.

Claims (27)

1. A mortise lock assembly for use with a door, the mortise lock assembly comprising:

the outer shell is provided with a plurality of grooves,

a plug movable relative to the housing between an extended position and a retracted position,

a manual actuator including an inner hub and an outer hub each operable from an inside or an outside of the housing to move the bolt from at least the extended position to the retracted position,

a lock mechanism that interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable,

the lock mechanism is configurable to operate in one or more operating states including:

a first operational state in which the inner hub becomes operable and the outer hub becomes operable,

a second operational state in which the inner hub becomes inoperable and the outer hub becomes operable,

a third operating state in which the inner hub becomes inoperable and the outer hub becomes inoperable, and/or

A fourth operational state in which the inner hub becomes operable and the outer hub becomes inoperable,

an electronic control module for controlling operation of the lock mechanism, the electronic control module configured to receive input signals including:

a shift control signal for causing said lock mechanism to shift for operation in one of said operating states, an

A power signal for providing power to the electronic control module, wherein the power signal is provided separately from the control signal.

2. The mortice lock assembly of claim 1, wherein the electronic control module is further configured to receive a single input signal, wherein the single input signal provides power to the electronic control module and simultaneously drives the lock mechanism to operate in one of the operating states.

3. The mortise lock assembly according to claim 2, wherein said electronic control module is configured to operate by:

said single input signal, or

Two input signals comprising the control signal and the power signal.

4. The mortise lock assembly according to any one of the preceding claims, wherein said electronic control module includes three contacts,

a first contact configured to receive the control signal,

a second contact configured to receive the power signal, an

A third contact configured for ground.

5. The mortice lock assembly of claim 4, wherein the electronic control module is configured to:

allowing the second contact to receive a single input signal that delivers power to the electronic control module while actuating the lock mechanism to operate in one of the operating states, and

allowing the first contact to be disconnected.

6. A mortice lock assembly according to claim 4 or 5 wherein the electronic control module includes a signal detection circuit for detecting a signal received through the first contact.

7. The mortice lock assembly of claim 4, wherein the electronic control module is configured to:

allowing the first contact to couple to a second contact, an

Allowing the first contact and the second contact to simultaneously receive a single input signal that delivers power to the electronic control module and simultaneously actuates the lock mechanism to operate in one of the operating states.

8. The mortise lock assembly according to any one of the preceding claims, wherein the electronic control module includes one or more user configurable settings for selecting an operating mode for the mortise lock assembly, the operating mode including a power-off unlock setting, a power-off lockout setting, or an escape setting for each of the inner hub and the outer hub.

9. The mortice lock assembly according to claim 8 wherein the user configurable setting includes one or more electronic switch elements.

10. The mortise lock assembly according to claim 8 or 9, wherein said operating mode is selected from a plurality of operating modes including:

a first mode of operation wherein the user configurable settings include the power-off lockout settings for both the outer hub and the inner hub,

a second mode of operation wherein the user configurable settings include the power-off unlocked settings for both the outer hub and the inner hub,

a third mode of operation wherein the user configurable settings include the power-off lockout setting for the outer hub and the escape setting for the inner hub,

a fourth mode of operation wherein said user configurable settings include said power-off unlock setting for said outer hub and said escape setting for said inner hub,

a fifth mode of operation wherein said user configurable settings include said de-energized latched setting for said outer hub and said de-energized unlatched setting for said inner hub.

11. A mortice lock assembly according to any one of claims 8 to 10 wherein the control signal provides a lock or unlock signal for driving the lock mechanism to operate in one of the operating states and

when the selected operating mode includes a fail-safe setting or a fail-safe setting for each of the inner hub and the outer hub, the electronic control module is configured to drive the lock mechanism such that:

upon receiving an unlock signal, the inner hub and the outer hub become operable, and

when a locking signal is received, the inner hub and the outer hub become inoperable.

12. The mortise lock assembly according to claim 11, wherein when the selected operating mode includes an escape setting for the inner hub or the outer hub, the hub associated with the escape setting becomes operable regardless of the control signal.

13. A mortice lock assembly according to claim 11 or 12 wherein the lock signal includes an energise signal and the unlock signal includes a de-energise signal or vice versa.

14. The mortise lock assembly according to any one of claims 8 to 13, wherein in the event of a power failure in which both the control signal and the power signal are lost, the electronic control module is configured to:

determining whether the lock mechanism requires a change in operating state, an

Upon determining that a change in operating state is required, a drive signal is generated based on the selected operating mode to drive the lock mechanism to a desired operating state.

15. The mortise lock assembly according to any one of claims 8 to 14, wherein when the selected operating mode includes the de-energized latched setting for the outer hub and the de-energized unlatched setting for the inner hub, the electronic control module is configured to drive the lock mechanism to the second operating state in the event of a power failure.

16. The mortise lock assembly according to any one of claims 8 to 15, wherein when the selected operating mode includes the power-off lockout setting for each of the inner hub and the outer hub, the electronic control module is configured to maintain the lock mechanism in the third operating state in the event of a power failure.

17. The mortise lock assembly according to any one of claims 8 to 16, wherein when the selected operating mode includes the power-off unlock setting for each of the inner hub and the outer hub, the electronic control module is configured to drive the lock mechanism in the first operating state in the event of a power failure.

18. The mortise lock assembly according to any one of claims 8 to 17, wherein when the selected operating mode includes the power-off lockout setting for the outer hub and the escape setting for the inner hub, the electronic control module is configured to maintain the lock mechanism in the fourth operating state in the event of a power failure.

19. The mortise lock assembly according to any one of claims 7 to 18, wherein when the selected operating mode includes the power-off unlock setting for the outer hub and the escape setting for the inner hub, the electronic control module is configured to drive the lock mechanism to the first operating state in the event of a power failure.

20. The mortice lock assembly of claim 3, wherein the electronic control module includes one or more user configurable settings for selecting an operating mode for the mortice lock assembly, the operating mode including a fail safe setting, a fail secure setting or an escape setting for each of the inner hub and the outer hub, and

when the electronic control module is configured to operate with the single input signal, the single input signal including a power-on signal and a power-off signal, the electronic control module is configured to:

maintaining the lock mechanism in the third operational state in the event of a power failure when the selected operational mode includes the power-off lockout setting for the inner hub and the power-off lockout setting for the outer hub,

driving the lock mechanism to the first operational state in the event of a power failure when the selected operational mode includes the de-energized unlocked setting for the inner hub and the de-energized unlocked setting for the outer hub,

maintaining the lock mechanism in the fourth operating state in the event of a power failure when the selected operating mode includes the power-off lockout setting for the outer hub and the escape setting for the inner hub, and/or

Driving the lock mechanism to the first operational state in the event of a power failure when the selected operational mode includes the power-off unlock setting for the outer hub and the escape setting for the inner hub.

21. The mortice lock assembly of claim 8, wherein

The electronic control module includes a microcontroller for generating a drive signal based on the input signal and the selected operating mode, and

wherein the drive signal drives a motor associated with the lock mechanism and the motor drives the lock mechanism to a desired operating state.

22. The mortice lock assembly according to claim 21 wherein the electronic control module further includes a power storage means for providing power to the microcontroller and the motor to drive the lock mechanism to a desired operating state in the event of a power failure.

23. A mortise lock assembly for use with a door, the mortise lock assembly comprising:

a lock mechanism configurable to operate in one or more locking and unlocking operational states,

an electronic control module for controlling operation of the lock mechanism, the electronic control module configured to receive

A control signal for driving the lock mechanism to operate in one of the operating states, an

A power signal for providing power to the electronic control module, wherein the power signal is provided separately from the control signal.

24. The mortice lock assembly according to claim 23 including:

a manual actuator comprising an inner hub and an outer hub, each operable to independently move a bolt of the lock assembly from at least an extended position to a retracted position, and

wherein the lock mechanism interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable, and

wherein the electronic control module includes one or more user configurable settings for selecting an operating mode for the mortise lock assembly, the operating mode including a fail safe setting, a fail secure setting, or an escape setting for each of the inner hub and the outer hub.

25. The mortice lock assembly of claim 24, wherein selectable operating modes include the de-energized latched setting for the inner hub and the de-energized unlatched setting for the outer hub.

26. The mortise lock assembly according to claim 25, wherein when the operating mode includes the power-off lockout setting for the inner hub and the power-off unlock setting for the outer hub, in the event of a power failure, the electronic control module is configured to drive the lock mechanism to lock the inner hub in the locked position

Rendering the inner hub of the manual actuator inoperable and

rendering the outer hub of the manual actuator operable.

27. A mortise lock assembly for use with a door, the mortise lock assembly comprising:

the outer shell is provided with a plurality of grooves,

a plug movable relative to the housing between an extended position and a retracted position,

a manual actuator including an inner hub and an outer hub each operable from an inside or an outside of the housing to move the bolt from at least the extended position to the retracted position,

a lock mechanism that interacts with the manual actuator to render each of the inner hub and the outer hub of the manual actuator independently inoperable or operable, the lock mechanism configurable to operate according to a selected operating mode,

wherein the operating mode is selected from a plurality of operating modes, each operating mode including a power-off unlock setting, a power-off lockout setting, or an escape setting for each of the inner hub and the outer hub,

the lock assembly has an electronic control module for controlling operation of the lock mechanism, the electronic control module being configured to enable selection of an operating mode, the operating mode including a de-energized latched setting for the outer hub and a de-energized unlatched setting for the inner hub.

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