KR20040014711A - Ultra power saving type door lock - Google Patents

Abstract

PURPOSE: An ultra low power door is provided to have an excellent effect that it is used above at least 9,600 - 15,000 times when initial 4 number of 1.5V battery are set on the power block. CONSTITUTION: An ultra low power door includes a microcomputer(10), a memory(70), a motor(90) and a main slip mode switch(SM). The microcomputer(10) controls LCD display block(31) a voice output block(32) and motor driver(40) by receiving the power from the power block(20). The memory(70) stores the signal of the RF card(51) through the RF recognition block(50) for authenticating through the microcomputer(10) and the signal of the key pad(60). The motor(90) drives the lock/unlock unit(80) when it is forward driven or backward driven by the motor driver(40). And, the main slip mode switch(SM) performs the cut-off of the overall power of the power block(20) when the microcomputer(10) does not operate.

Description

ULTRA POWER SAVING TYPE DOOR LOCK}

The present invention relates to an ultra-low power door lock, and more particularly, a main sleep mode switch, a first sleep mode switch, and a second sleep mode switch are proposed to maximize the effect of power saving. An ultra-low power door lock.

In general, the existing door locks used in houses, apartments, officetels, offices, etc. are mainly operated by manual operation without a separate driving device, but in recent years, as living standards are improved and user convenience and security functions are emphasized, As a result, the use of electronic door locks is increasing.

Ordinary door lock is provided with a separate key pad for password input installed on the front of the door, and after confirming the authenticity of the password entered through the key pad, if it matches the preset unique number inside It is configured to control the lock / unlock operation of the lock key by driving the installed motor, so there is no provision for power saving in the power supply part considering only its function.

Accordingly, the present invention has been made to solve the above-described problems, the object of the present invention is to provide a main sleep mode switch, the first sleep mode switch and the second sleep mode switch to selectively provide the power of the power supply unit. It is proposed to provide an ultra-low power door lock that maximizes the effect of power saving.

1 is a block diagram showing an ultra-low power door lock according to the present invention.

Figure 2 is a front view showing the inner body of the ultra-low power door lock according to the present invention.

Figure 3 is an internal front view showing the inner body of the ultra-low power door lock according to the present invention.

Figure 4 is a side cross-sectional view showing the inner body of the ultra-low power door lock according to the present invention.

Figure 5 is a perspective view of the RF card showing the outer body of the ultra-low power door lock according to the present invention.

Figure 6 is a side cross-sectional view showing an outer body of the ultra-low power door lock according to the present invention.

Explanation of symbols on the main parts of the drawings

10: microcomputer 20: power unit

31 LCD display 32 VOICE output unit

40: motor drive 50: RF recognition unit

51: RF Card 60: Key Pad

70: memory 80: lock / unlock unit

81: lock key 82: face gear

90: motor 91: shaft

100: ultra-low power door lock C: cover

H: Handlebar IN: Inner Body

OUT: Outer Body S1: ADD / DEL Switch

S2: LOCK / UNLOCK Switch S3: Start Switch

S4: One Touch Switch S5: Reset Switch

SM: Main Sleep Mode Switch SM1: First Sleep Mode Switch

SM2: Second Sleep Mode Switch T: Emergency Power Supply Terminal

The present invention for achieving the above object, the microcomputer to control the LCD display unit, the VOICE output unit and the motor drive by receiving the power of the power supply unit, and the signal of the RF card through the RF recognition unit for authentication or verification through the microcomputer and A memory for storing signals of a keypad, a motor for driving a lock / release unit while being rotated forward and reverse by the motor drive, and a main sleep mode switch which cuts off power of the power supply unit entirely when the microcomputer is not operating; It is made as a basic feature on the technical configuration.

Hereinafter, a preferred embodiment of the ultra-low power door lock according to the present invention will be described with reference to the drawings. There may be a plurality of embodiments of the present invention, and these embodiments enable a better understanding of the objects, features and advantages of the present invention.

ULTRA POWER SAVING TYPE DOOR LOCK 100 according to the present invention is designed to more easily lock or open the door of a house, apartment, officetel or office, etc. Simultaneously provide the message and the voice message through the VOICE output unit 32, while controlling the lock / unlock unit 80 more conveniently by using the keypad 60 and the RF card 51, The key is to make it available.

More specifically, the ultra-low power door lock 100 according to the present invention can be described by dividing the inner body (IN) and the outer body (OUT) with a door (not shown) in between as shown in FIG. .

The inner body IN is installed inside the door as shown in the front view of FIG. 2, the internal front view of FIG. 3, and the side cross-sectional view of FIG. 4, and the power supply unit 20 that requires special security maintenance, and the ADD / DEL switch ( S1), one-touch switch (S4), LOCK / UNLOCK switch (S2) and reset switch (S5), etc. are arranged, the outer body (OUT) is a perspective view including the RF card 51 of FIG. As shown in the side sectional view, it is installed on the outside of the door, and is provided with a key pad 60, a start switch S3, an RF recognition unit 50, an LCD display unit 31, and a VOICE output for external users. It is a place where the part 32 etc. are arrange | positioned.

As shown in FIGS. 1 to 6, the ultra-low power door lock 100 according to the present invention is supplied with the power of the power supply unit 20, such as an LCD display unit 31, a VOICE output unit 32, a motor drive 40, and the like. The microcomputer 10 which controls each is prepared.

The power supply unit 20 may use four 1.5V batteries, the VOICE output unit 32 may use a rated output of 0.5W, and the LCD display unit 31 may use a Graphic LCD.

In addition, a memory 70 for storing the signal of the RF card 51 and the signal of the keypad 60 through the microcomputer 10 to be authenticated or verified through the RF recognition unit 50 is provided. A motor 90 for driving the lock / unlock unit 80 while being rotated forward and reverse by 40 is included.

The RF card 51 is designed to be used at a frequency of 125 kHz and to be recognized at a distance of 1 to 25 cm from the RF recognition unit 50, and the memory 70 uses an EEPROM.

The lock / unlock unit 80 includes a face gear 82 coupled to the shaft 91 of the motor 90 to convert the rotational force in the vertical direction into the rotational force in the horizontal direction to rotate the locking key 81. do.

The main core configuration of the present invention is a main sleep mode switch (SM) that completely shuts off the power of the power supply unit 20 when the microcomputer 10 is not in operation, and supplies the first four 1.5V batteries to the power supply unit 20. If it is set to, it is designed to be used more than 9,600 ~ 15,000 times.

The main sleep mode switch SM uses the model number FDC6325L as a semiconductor switch to cut off the power supplied from the power supply unit 20 when there is no input signal from the user, that is, when the operation of the microcomputer 10 is completed or at rest. This is to maximize the number of times the door lock is used by minimizing unnecessary power consumption.

In addition, the LCD device may further include a first sleep mode switch SM1 that partially shuts off the power provided to the LCD display unit 31 when the LCD display unit 31 does not operate, and the VOICE output unit 32 does not operate. It may further include a second sleep mode switch (SM2) for partially blocking the power provided to the VOICE output unit 32.

On the other hand, the memory 70 of the EEPROM is an ADD / DEL switch for instructing the microcomputer 10 to accumulate or store 1 to 64 signals input through the keypad 60 and the RF card 51. It is linked to (S1).

That is, when the ADD switch side of the ADD / DEL switch (S1) is touched, a plurality of passwords can be input and managed by using the keypad 60, and the registers of the EEPROM according to the number of RF cards 51. By sequentially assigning to and storing the same, it is much more convenient than using a single password or a single RF card 51.

In addition, the user in the room operates the LOCK / UNLOCK switch (S2) disposed in the inner body (IN) in order to prevent the outside person to open the door by using the keypad 60 or the RF card 51. The drive of the microcomputer 10 can be shut off or controlled as a whole, and the external power source, for example, a 9V battery, is prepared in case the power of the power supply unit 20 is exhausted and discharged according to the number of times of use. The outer body (OUT) further includes an emergency power supply terminal (T) to be separately supplied.

And, for convenience of the user outside, when the lock / release unit 80 is in the unlocked state, the touch is immediately switched to the locked state by one touch, and the lock / release unit 80 is locked by the RF by one touch. It may include a start switch (S3) to switch the recognition unit 50 to the standby state to prepare to recognize the RF card 51 immediately, for each user once inside the lock / It may further include a one-touch switch (S4) for immediately reversing the locked or unlocked state of the release unit (80).

Referring to the operation and function of the ultra-low power door lock 100 according to the present invention having the configuration as described above are as follows.

The ultra-low power door lock 100 according to the present invention has a first sleep mode switch SM1 and a second sleep including a main sleep mode switch SM when there is no user signal, that is, when the microcomputer 10 is stopped. The mode switch SM2 cuts off the power of the power supply unit 20 as a whole to minimize power consumption.

When the keypad 60, the start switch S3, the ADD / DEL switch S1 or the one touch switch S4 is operated, the main sleep mode switch SM selectively supplies power of the power supply unit 20 while the power is supplied. The first sleep mode switch SM1 or the second sleep mode switch SM2 is interlocked under the control of the microcomputer 10.

First, when the ADD switch side of the ADD / DEL switch S1 is touched to authenticate the RF card 51 or input a password using the RF card 51 or the keypad 60, the main sleep mode switch SM ) Is supplied to supply power to the power supply unit 20 normally. Then, the first sleep mode switch SM1 and the second sleep mode switch SM2 are interlocked so that the LCD display unit 31 displays “1. RF 2. ID. Message is displayed, and the VOICE output unit 32 displays the message "The card is number 1 and the password is number 2". Then, when the user presses the number 1 button on the keypad 60, the VOICE output unit ( 32), "Please approach the card" message is displayed, press the button 2, the VOICE output unit 32, "Enter a number" message is displayed.

At the same time, when the button 1 of the keypad 60 is pressed, the message “CARD” is displayed on the LCD display 31, and when the button 2 is pressed, the message “ID” is displayed again.

When the RF card 51 is approached by about 1 to 25 cm after the first button of the keypad 60 is touched, the RF recognition unit 50 recognizes the signal of the RF card 51 and thus the microcomputer 10. And store the data in the register of the memory 70 through the VOICE output section 32, and the message " OK " is displayed on the LCD display section 31 along with the message " authenticated " Touch button 2 of (60), enter an arbitrary password (4 to 8 digits), and press the "*" button. The microcomputer 10 stores and allocates the registers of the memory 70 through the VOICE output unit ( In 32), the message " OK " is displayed on the LCD display 31 together with the message " authenticated ".

In this process, when the ADD switch of the ADD / DEL switch S1 is touched, 1 to 64 signals input through the keypad 60 and the RF card 51 are sequentially assigned to the registers of the EEPROM memory 70. It can be accumulated while.

As described above, if the lock / release unit 80 is released while the password is input to the memory 70 using the keypad 60 or the RF card 51 or the RF signal is authenticated, the external start switch ( It is possible to switch to the locked state by touching S3) once.

That is, when the start switch S3 is pressed once, the main sleep mode switch SM, the first sleep mode switch SM1, and the second sleep mode switch SM2 provide power to the power supply unit 20, respectively. By driving the 40 to rotate the motor 90 forward, the lock / release unit 80 is switched to the locked state, and the LCD display 31 displays the message “CLOSE” and the VOICE output unit 32 is displayed. Will display a "locked" message.

When the user outside the door is to open the door using the RF card 51, the main sleep mode switch SM cuts off the power of the power supply unit 20. Therefore, the user presses the start switch S3 to press the microcomputer. 10 is set to the standby state, and the first sleep mode switch SM1 and the second sleep mode switch SM2 are linked to each other so that the LCD display 31 displays the message "CARD" and at the same time VOICE. The output unit 32 causes the message "Please access the card" to be displayed.

Subsequently, when the user approaches the RF card 51 to the RF recognition unit 50 at a distance of 1 to 25 cm, the signal of the RF card 51 is recognized by the RF recognition unit 50 and then assigned to the memory 70. Analyze and verify whether the matching signal is matched by the microcomputer 10, and if it matches, turn the motor 90 back through the motor drive 40 to switch the lock / release unit 80 to the unlocked state and at the same time, the LCD display unit 31. Allow the display of the message "OPEN" and the VOICE output 32 to display the message "open".

In addition, when the user outside the door to open the door using a password, open the cover (C) of the keypad 60 and press the "*" button.

When the "*" button of the keypad 60 is pressed, the main sleep mode switch SM normally supplies power of the power supply unit 20 to switch the microcomputer 10 to the standby state, and the first sleep mode switch SM1. And the second sleep mode switch SM2, respectively, to cause the LCD display 31 to display the message " ID " and the VOICE output unit 32 to display the " Enter the number " do.

Subsequently, when the user inputs a password using the keypad 60 and presses the “*” button again, the microcomputer 10 analyzes and verifies whether the password matches the password assigned to the memory 70, and if it matches, the motor drive 40. Rotate the motor 90 reversely so that the lock / unlock unit 80 is switched to the unlocked state, and cause the LCD display 31 to display the message " OPEN " and cause the VOICE output unit 32 to Try to display the message "Opened."

Next, when the user touches the one-touch switch S4 therein, the power supply 20 is also normally supplied to switch the microcomputer 10 to the standby state, and lock or unlock the lock / release unit 80. While inverting the states, the first sleep mode switch SM1 and the second sleep mode switch SM2 are interlocked, respectively, to cause the LCD display 31 to display the message "CLOSE" or "OPEN" and simultaneously output VOICE. Have unit 32 display the message "locked" or "open".

On the other hand, the LOCK / UNLOCK switch (S2) is for the user in the room only to switch to the LOCK direction to prevent anyone outside from opening the door using the keypad 60 or the RF card (51) It is possible to block the operation of the switch, the reset switch (S5) is a switch for initializing all memories through the microcomputer 10 (factory delete (signal of all registered RF card 51, key pad 60) Deleting a password through the password, the initial password "0000") function to convert to.

Finally, when the lock / release unit 80 is released, the door can be naturally opened while turning the handle bar H installed at the inner body IN and the outer body OUT.

In the ultra-low power door lock 100 according to the present invention having such a configuration and operation, the main sleep mode switch SM, the first sleep mode switch SM1, and the second sleep mode switch SM2 are applied to each switch operation. Therefore, the power supply unit 20 is selectively designed to provide power separately, so that when the first four 1.5V batteries are set in the power supply unit 20, the number of times may be used at least 9,600 to 15,000 times. If necessary, the LCD display unit 31 causes "BATTERY" and the VOICE output unit 32 to "check" the power supply state of the power supply unit 20 through the microcomputer 10 at a constant level. Replace the batteries. "

As described above, according to the ultra-low power door lock 100 according to the present invention, the main sleep mode switch SM, the first sleep mode switch SM1, and the second sleep mode switch SM2 power the power of the power supply unit 20. Since it is designed to be selectively provided, when the first four 1.5V batteries are set in the power supply unit 20, there is an excellent effect of using at least 9,600 to 15,000 times.

In addition, the main sleep mode switch SM, the first sleep mode switch SM1, and the second sleep mode switch SM2 are inputted through the keypad 60 and the RF card 51 while maximizing the effect of power saving. A plurality of passwords and a plurality of RF cards 51 are further included, further including an ADD / DEL switch S1 for instructing the microcomputer 10 to store or erase 1 to 64 signals in the memory 70. It is useful to manage.

In addition, by installing a LOCK / UNLOCK switch (S2) to block or control the operation of the microcomputer 10 as a whole for the convenience of the user indoors, by installing an emergency power supply terminal (T) to discharge the power supply unit 20 When the lock / release unit 80 is in the unlocked state, it is switched to the locked state by one touch, and when the lock / release unit 80 is in the locked state, the RF recognition unit 50 is activated by one touch. It further includes a start switch (S3) for switching to the standby state to maximize the user's convenience.

In addition, each time the one-touch switch S4 is touched, the locking or releasing state of the locking / unlocking unit 80 can be reversed for convenience of the indoor user, and the motor 90 as the locking / releasing unit 80 is provided. Coupled to the shaft 91) to provide a face gear 82 for rotating the locking key 81 by converting the rotational force in the vertical direction to the rotational force in the horizontal direction so as to operate more smoothly when opening and closing the door.

Claims (9)

The microcomputer 10 which receives the power of the power supply unit 20 and controls the LCD display unit 31, the VOICE output unit 32 and the motor drive 40, respectively, Memory 70 for storing the signal of the RF card 51 and the signal of the keypad 60 through the RF recognition unit 50 for authentication or verification through the microcomputer 10, A motor 90 driving the lock / unlock unit 80 while being rotated forward and reverse by the motor drive 40; Ultra-low power door lock (100) characterized in that it comprises a main sleep mode switch (SM) for shutting off the power of the power supply unit 20 when the microcomputer (10) is not operating. The method of claim 1, And a first sleep mode switch (SM1) for partially shutting off the power provided to the LCD display unit (31) when the LCD display unit (31) is inoperative. The method of claim 1, Ultra low-power door lock 100, characterized in that it further comprises a second sleep mode switch (SM2) for partially shutting off the power provided to the VOICE output unit 32 when the VOICE output unit 32 is inactive. . The method of claim 1, An ADD / DEL switch S1 for instructing the microcomputer 10 to further store or erase 1 to 64 signals input through the keypad 60 and the RF card 51 in the memory 70. Ultra low-power door lock 100, characterized in that further comprises. The method of claim 1, Ultra-low power door lock (100), characterized in that further comprises a LOCK / UNLOCK switch (S2) to block or enable the drive of the microcomputer 10 as a whole. The method of claim 1, Ultra-low power door lock (100), characterized in that it further comprises an emergency power supply terminal (T) for receiving a separate supply of external power in preparation for the discharge of the power supply unit 20. The method of claim 1, When the lock / unlock unit 80 is in the unlocked state, it is switched to the locked state by one touch. When the lock / unlock unit 80 is locked, the RF recognition unit 50 is brought into the standby state by one touch. Ultra-low power door lock 100, characterized in that further comprises a start switch (S3) for switching. The method of claim 1, Ultra-low power door lock (100) characterized in that it further comprises a one-touch switch (S4) for reversing the locked or unlocked state of the lock / release unit (80) each time. The method of claim 1, The lock / unlock unit 80 includes a face gear 82 coupled to the shaft 91 of the motor 90 to convert the rotational force in the vertical direction into the rotational force in the horizontal direction to rotate the locking key 81. Ultra low-power door lock 100, characterized in that made.