CN2931742Y

CN2931742Y - Automatic door operator

Info

Publication number: CN2931742Y
Application number: CN 200620030782
Authority: CN
Inventors: 王德义; 宋军罡; 王枫
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-24
Filing date: 2006-07-24
Publication date: 2007-08-08
Anticipated expiration: 2016-07-24

Abstract

The utility model discloses an automatic door-opening machine which comprises a supporting bedplate fixed on a door or a wall. The supporting bedplate is provided with a door machine motion-work wheel to drive the door to turn and an actuating mechanism for the door machine motion-work wheel. The actuating mechanism for the door machine motion-work wheel comprises a motor of the door opening machine and an engine output shaft which is connected with a motor transfer for the door opening machine through a decelerator. Manual and electric clutch steerings and a hand-gear chain wheel device which is engaged with manual and electric clutch steerings are further provided between the motor of the door opening machine and the decelerator. The engine output shaft is provided with an engine output wheel to connect with a gear of the door machine motion-work wheel and the motor of the door opening machine is switched in a door opening control circuit. The door-opening machine is further provided with a position-sampling device essentially composed of a sampling potentiometer. A voltage-sampling feeler of a sampling potentiometer synchronously operates with the engine output shaft and the sampling potentiometer is connected with a motor control of the door-opening machine through the door opening control circuit.

Description

Automatic door lifter

Technical field

The utility model relates to a kind of switching mechanism, especially a kind of automatic door lifter.

Background technology

The door-opening mechanism of existing rolling-gate and garage door has manually and electronic two kinds of functions, its structure generally is by position-limit mechanism, rolling door driving mechanism and clutch are formed, position-limit mechanism wherein adopts mechanical trip switch or optoelectronic switch and hall signal to control mostly, control with mechanical switch and optoelectronic switch and hall signal has a lot of drawbacks: 1: though use the switch distance that the mechanical trip switch can control gate, if but mechanical switch was run or malfunctioning because of human factor or machinery inertial, the door chance rush to summit above continuously operation causes or below kill, or stuck outage, need artificial recovery just can reuse.2: the control system of using optoelectronic switch and hall signal is to realize the control of opposite house machine range ability by electronic circuit, but optoelectronic switch and hall signal are disturbed by extraneous electronic circuit easily, make transmission data misalignment cause a machine range ability to change, so cause damage a door lifter and an operation door body misalignment, cause accident generation to personal injury and damage property; Optoelectronic switch and hall signal are after door lifter has a power failure in addition, as use open Door by Hand or the moving door body after, when optoelectronic switch and hall signal can not synchronous record open Door by Hand, the mobile data of door and open Door by Hand after when the body position, Qianmen, cause when reusing electric open-door apart from misalignment infringement people and thing.Perhaps the control program of optoelectronic switch and hall signal is set at the original data memory removing in the back that has a power failure, and a machine operation stroke that all will rerun after each power failure is used and opened Door by Hand is remembered, and causes very big inconvenience to the user like this.

Chinese patent CN 90206401.0 " electronics rolling door electronic type position control " discloses a kind of control device that opens the door with potentiometer recognitiion gate body position, but this control device is connected potentiometer with the rotating shaft of door body, and the other installation site of needs sampling potentiometer, it is bigger to take up room, difficulty is installed and influences attractive in appearance, its analog sample and processing are all more loaded down with trivial details in addition, debug cumbersome.

The utility model content

The purpose of this utility model is to provide a kind of potentiometer automatic door lifter of spacing gauge tap door of sampling.

The technical solution of the utility model is: a kind of automatic door lifter, comprise for fixing to the support base plate on the door or on the wall, the support base plate is provided with and is used to drive door machine drive and the door machine drive driving mechanism that a body rotates, described door machine drive driving mechanism comprises the door lifter motor, the motor output shaft that is connected with the door lifter drive of motor by reducer, also be provided with between door lifter motor and the reducer manually, electronic conversion arrangement of clutch and the hand chain wheel device that is mated, the motor output wheel is housed on the motor output shaft to be in transmission connection with door machine drive, described door lifter motor inserts the control circuit that opens the door, also being provided with by the sampling potentiometer on the described automatic door lifter is the position sampling device that main body constitutes, the voltage sample contact of described sampling potentiometer cooperates with the motor output shaft synchronous interaction, and the sampling potentiometer is connected with the door lifter Electric Machine Control by the control circuit that opens the door.

The voltage sample contact of described sampling potentiometer is revolving knob, this knob is connected with a lead screw transmission, this leading screw is coaxially connected with the potentiometer drive, described motor output shaft is provided with the stroke synchronizing wheel, and the stroke synchronizing wheel is connected with the mode Synchronous Transmission that gears engaged cooperates with the potentiometer drive.

The voltage sample contact of described sampling potentiometer is plug-type slide block, this slide block is fixedlyed connected with the nut of a screw-nut body, the leading screw of described screw-nut body is coaxially connected with the potentiometer drive, described motor output shaft is provided with the stroke synchronizing wheel, and the stroke synchronizing wheel is connected with the mode Synchronous Transmission that gears engaged cooperates with the potentiometer drive.

The described control circuit that opens the door comprises microprocessor, is provided with electricity erasable memorizer and A/D converter in the microprocessor, and the sampling potentiometer inserts the A/D input of microprocessor; Two outputs of microprocessor are connected with the base stage of two triodes by two current-limiting resistances respectively, the colelctor electrode of two triodes inserts an end of the coil of two auxiliary reclays respectively, the other end of the coil of two auxiliary reclays all is connected with power supply, one end of door lifter motor M 1 coil selects adhesive to be connected by the conversion contact of one of them auxiliary reclay with ground wire or power supply, the other end of door lifter motor coil selects adhesive to be connected the equal ground connection of the emitter stage of described triode by the conversion contact of another auxiliary reclay with ground wire or power supply.

Also be connected with the sensitivity adjustment potentiometer that is hampered on another A/D input of described microprocessor.

But the omnidistance sampling identification of the run location of sampling potentiometer opposite house body of the present utility model also cooperates the microprocessor in the control circuit that opens the door to control, sampling contact of its sampling potentiometer is that the output shaft with door body driving mechanism is linked, therefore can be directly installed on the door lifter, take up room less and can not influence the attractive in appearance of a body; The potentiometer of sampling in addition can be analyzed the drive and the movable information moment input microprocessor of door body, therefore other sampling potentiometer need be installed on the door body, install very convenient, and after the A/D of the microprocessor of its resistance signal in the control circuit that the opens the door conversion, microprocessor can store it, once but permanent memory is used after the operation, debug very simple, Qi Men body position information is by the sampling identification of sampling potentiometer and by microprocessor memory control, even have a power failure with after the manual push-and-pull, its position memory can not lost, and the stroke range that can not pass by behind the incoming call and set is used safe ready more.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the circuit diagram of the utility model embodiment one;

Fig. 3 is the structural representation of the utility model embodiment two.

The specific embodiment

Embodiment one of the present utility model as shown in Figure 1, be used for fixing on the support base plate 5 on the door or on the wall and be fixed with electric machine support 4, be used to drive the door machine drive 7 rotating support base plates 5 that are assemblied in that a body rotates, door machine drive 7 has external toothing, electric machine support 4 is provided with door lifter motor M 1, reducer 3, control apparatus 1, reducer 3 is arranged at motor shaft one end of door lifter motor M 1, the control apparatus 1 that can control machine operation is arranged at the other end of door lifter motor M 1, the motor shaft of door lifter motor M 1 is in transmission connection through reducer 3 and the motor output shaft 6 that is arranged in the electric machine support 4, also be provided with between door lifter motor M 1 and the reducer 3 manually, electronic conversion arrangement of clutch 12 and the hand chain wheel device 22 that is mated, be equipped with stroke synchronizing wheel 17 and motor output wheel 15 on the motor output shaft 6, motor output wheel 15 with external toothing is in transmission connection by chain 18 and door machine drive 7, stroke synchronizing wheel 17 is in transmission connection by stroke idler 16 and potentiometer drive 8, potentiometer W1 is installed in the potentiometer Stroke Control box 9, be coaxially connected with leading screw 23 on the potentiometer drive 8, the voltage sample contact of potentiometer W1 is revolving knob, this knob and leading screw 23 are in transmission connection by lead screw transmission piece 21, thereby realize the rotary voltage sampling contact of potentiometer W1 and the synchronous interaction of motor output shaft 6.

Circuit diagram of the present utility model as shown in Figure 2, sampling potentiometer W1, door lifter motor M 1, IC1 is the microprocessor P89LPC938 that is provided with EEPROM electricity erasable memorizer and AD converter; R4, R5, R6, R7 are current-limiting resistance; T1, T2 are the triode of the dynamo-electric machine M1 of driving switch door; RL1, RL2 are the auxiliary reclay of control door lifter motor M 1; W2 is the sensitivity adjustment potentiometer that is hampered; the A/D input A/DIN2 that its position signalling is transferred to microcontroller IC1 carries out the AD conversion; its value is after microcontroller IC1 handles; the reflection delay time of door machine when but the control gate body is hampered; be in operation such as the door body and be obstructed, the delay time value that is hampered that microprocessor will set according to W2 when causing the position signalling of W2 unusual (big and) is implemented stoppage protection.

Sampling potentiometer W1 inserts the A/D input A/DIN1 of microprocessor IC1; Two output OUTPUT1 of microprocessor IC1, OUTPUT2 is respectively by two current-limiting resistance R4, R5 and two triode T1, the base stage of T2 connects, two triode T1, the colelctor electrode of T2 inserts auxiliary reclay RL1 respectively, one end of the coil of RL2, two auxiliary reclay RL1, the other end of the coil of RL2 all is connected with power supply, one end of door lifter motor M 1 coil selects adhesive to be connected by the conversion contact of auxiliary reclay RL1 with ground wire or power supply, and the other end of door lifter motor M 1 coil selects adhesive to be connected by the conversion contact of another auxiliary reclay RL2 with ground wire or power supply; The equal ground connection of emitter stage of described triode T1, T2.

When 1 action of door lifter motor M, the knob of the voltage sample contact of sampling potentiometer W1 is followed the resistance that potentiometer drive 8 rotates and changed W1 synchronously, the resistance of potentiometer of promptly sampling can determine the position of a body, the resistance of W1 is by A/D conversion becoming digital quantity, processing through microprocessor IC1 and its memory, judge that the stop position that opens the door and close the door reaches present position at that time, thereby control T1 and T2 are by auxiliary reclay RL1, selectively power is carried out at the two poles of the earth of the dynamo-electric machine M1 of RL2 clamshell doors coil, realize the bidirectional-movement of door lifter motor M 1, finish a body rising or descend two kinds and move, door lifter motor M 1 and door body are moved in strict accordance with giving the travel parameters of establishing after through the processing of microcontroller IC1 and its embedded memory.

When needing the moving door of manual push-and-pull body when having a power failure, controlling manual, electronic arrangement of clutch 12 makes door lifter motor M 1 separate with reducer 3, move by folding by external force pulling hand chain wheel device 22 for Men Tike then, and the knob of the voltage sample contact of sampling potentiometer W1 is still followed potentiometer drive 8 and is rotated synchronously, even have a power failure, but the resistance of the sampling potentiometer W1 position of sampling gate body still.Behind incoming call, control manual clutch device 12 makes door lifter motor M 1 combine with reducer 3, door lifter motor M 1 still can be automatically by the operation of former desired location operation driving gate body switch afterwards, because the knob of the voltage sample contact of sampling potentiometer W1 rotate synchronously with door machine drive 7 constantly, the manual moving body of push-and-pull and change former parameter of establishing and do not influence the current stroke of a body and current position.

The mechanical part of embodiment two of the present utility model as shown in Figure 3, be with the difference of embodiment one, the voltage sample contact of the potentiometer W1 that embodiment two uses is plug-type, potentiometer W1 is installed in the potentiometer Stroke Control box 9, the voltage sample contact of potentiometer W1 is the sliding shoe that straight line moves, its sliding shoe is in transmission connection by screw-nut body and potentiometer drive 8, screw-nut body comprises that leading screw 20 that is connected with potentiometer drive 8 coaxial rotation and the nut of fixedlying connected with the slidingtype voltage sample contact of potentiometer 18 19 constitute, thereby realizes the plug-type voltage sample contact of potentiometer W1 and the synchronous interaction of motor output shaft 6; The circuit part of embodiment two is identical with embodiment one.

Claims

1, a kind of automatic door lifter, comprise for fixing to the support base plate (5) on the door or on the wall, support base plate (5) is provided with and is used to drive door machine drive (7) and the door machine drive driving mechanism that a body rotates, described door machine drive driving mechanism comprises door lifter motor (M1), the motor output shaft (6) that is in transmission connection by reducer (3) and door lifter motor (M1), also be provided with between door lifter motor (M1) and the reducer (3) manually, electronic conversion arrangement of clutch (12) and the hand chain wheel device (22) that is mated, motor output wheel (15) is housed on the motor output shaft (6) to be in transmission connection with door machine drive (7), described door lifter motor (M1) inserts the control circuit that opens the door, it is characterized in that: also be provided with the position sampling device that constitutes for main body by sampling potentiometer (W1) on the described automatic door lifter, the voltage sample contact of described sampling potentiometer (W1) cooperates with motor output shaft (6) synchronous interaction, and sampling potentiometer (W1) is by control circuit and door lifter motor (M1) control connection of opening the door.

2, door lifter according to claim 1, it is characterized in that: the voltage sample contact of described sampling potentiometer (W1) is revolving knob, this knob and a leading screw (23) are in transmission connection, this leading screw (23) is coaxially connected with potentiometer drive (8), described motor output shaft (6) is provided with stroke synchronizing wheel (17), and stroke synchronizing wheel (17) is connected with the mode Synchronous Transmission that gears engaged cooperates with potentiometer drive (8).

3, door lifter according to claim 1, it is characterized in that: the voltage sample contact of described sampling potentiometer (W1) is plug-type slide block, this slide block is fixedlyed connected with the nut of a screw-nut body, the leading screw of described screw-nut body is coaxially connected with potentiometer drive (8), described motor output shaft (6) is provided with stroke synchronizing wheel (17), and stroke synchronizing wheel (17) is connected with the mode Synchronous Transmission that gears engaged cooperates with potentiometer drive (8).

4, according to claim 1 or 2 or 3 described door lifters, it is characterized in that: the described control circuit that opens the door comprises microprocessor (IC1), be provided with electricity erasable memorizer and A/D converter in the microprocessor (IC1), sampling potentiometer (W1) inserts the A/D input (A/D IN1) of microprocessor (IC1); Two output (OUTPUT1 of microprocessor (IC1), OUTPUT2) respectively by two current-limiting resistance (R4, R5) with two triode (T1, T2) base stage connects, two triode (T1, T2) colelctor electrode inserts two auxiliary reclay (RL1 respectively, one end of coil RL2), two auxiliary reclay (RL1, RL2) other end of coil all is connected with power supply, one end of door lifter motor (M1) coil selects adhesive to be connected by the conversion contact of an auxiliary reclay (RL1) with ground wire or power supply, the other end of door lifter motor (M1) coil selects adhesive to be connected described triode (T1 by the conversion contact of another auxiliary reclay (RL2) with ground wire or power supply, T2) the equal ground connection of emitter stage.

5, door lifter according to claim 4 is characterized in that: also be connected with the sensitivity adjustment potentiometer (W2) that is hampered on another A/D input (A/D IN2) of described microprocessor (IC1).