CN2202161Y - Multi-functional monolithic computer door-opening and-closing device - Google Patents

Abstract

The utility model provides a multifunctional monolithic computer door leaf opening and closing device. The revolution speed of a motor can be properly controlled through the frequency feedback mode. A detection device which is arranged at the place of a door leaf is composed of a magnetic reed switch and a stroke counter, so a door piece is controlled to be opened slowly from quick opening. A timer is started up, and the locating flyback action is done. The stroke counter begins to count the stroke distance after the door is closed quickly. When the door reaches to the set stroke, the door is closed slowly, until the door is completely closed. The extremity of opening door or closing door can be judged by the signal which the stroke counter does not detect out, and the time of stopping electric power can be decided.

Description

Multi-functional monolithic computer door-opening and-closing device

The utility model is about the multi-functional door leaf switching device of a kind of single-chip micro computer, particularly a kind of induction with frequency feedback comes control rate to change, and a magnetic reed switch only is set in the single unit system, be to be assemblied in the switchboard, and a trip count device is set on motor shaft; The effect of its switch door is earlier to open the door fast when opening the door, when the door leaf of waiting arrives the position of this magnetic reed switch, magnetic reed switch detects and makes motor change at a slow speed by the single-chip micro computer, also start a timer and pick up counting this moment, it opens the door at a slow speed and can withstand least significant end until the door sheet and can't carry out again, still have electric current and carry this moment, but motor can't rotate, so the trip count device does not have signal to send, so after the blink (for example 2～3 seconds) through a setting, even motor stops action fully; Even perhaps can arrive back motor revolution (promptly transfer to and closing the door) in the time that this timer sets, to save the stroke that opens the door of door leaf, and when door leaf arrives this magnetic reed switch position when opening the door, the single-chip micro computer promptly can be made the location flyback action of one stroke, after so motor begins revolution, the trip counter begins to count stroke (preestablishing the one stroke distance), wait arrive set apart from the time, even motor is transformed at a slow speed, and the door sheet is at a slow speed after the clamping, and counter promptly stops to produce signal, so its clamping action is through after acting on a blink, in the mode that electric power fades away, guarantee the certain clamping of door leaf.

The applicant who is all this case has No. 61666 patent right of Taiwan utility model, is preceding case (one) hereinafter to be referred as this case.The structure of preceding case () is by door leaf, motor, speed probe, various adjusting devices, various door leaf position detecting devices, power supply device, motor drives and speed control unit, assemblies such as frequency feedback circuit arrangement and micro computer single-chip, connecting relation according to setting is formed, and the speed that it is characterized in that this rotating speed inductor detects via the frequency feedback circuit, import in this micro computer single-chip frequency values with the setting speed that reads through relatively reaching computing, after calculating it " voltage---rotating speed " optimal damping factor of motor, the command speed control device increases or reduces electric power as required, make the effect of motor increase or minimizing torsion, to reach suitable speed.After preceding case () design was finished, this creator still studied improvement at the structure and the circuit design of door leaf switching device, and the door leaf switching device is more practical, convenient to have design of the present utility model to produce thereby the phase makes.

The door leaf switching device of indication can make use-case for the best with automatic door (or claiming the electronics automatic door).Moving direction and gait of march that the mode of the general all utilizations of known electronics automatic door control motor rotary speed is come the control gate sheet; In other words, motor rotary speed promptly changes according to the needs of door sheet position, and for detecting a sheet position, generally can detect passing through of a sheet or place with the door leaf position detecting device.Early stage door leaf position detecting device utilizes microswitch or utilizes magnetic reed switch; ward off as No. 87088 " the electronics automatic door of SERVO CONTROL safety guard " second case on the patent gazette of Taiwan, announcing on May 1st, 1987; below abbreviate preceding case (two) now as, preceding case (two) promptly is to utilize magnetic reed switch to come detecting gate sheet position.Its effect signal as shown in Figure 1.＃S

Preceding case (two) promptly is to utilize four magnetic reed switch to detect the device of door leaf position, its objective is in the signal input control switchboard that to detect again by switchboard control motor rotary speed, but this kind utilizes the door leaf switching device of many (four) magnetic reed switch, have the position of magnetic reed switch to be subject to vibrations and become flexible, complex structure, device are bothersome, must with dispose disappearance such as electroplax line, and nonideal device.So design of the present utility model is case before aforementioned (one's) a feature, promptly utilize under the technological means of frequency feedback, reduce the number of magnetic reed switch, make and only utilize a magnetic reed switch, cooperate the acting in conjunction of one stroke counter again, can reach the effect of control door leaf switch equally, so, make assembling easier, reduce fault with the economization assembly, and can reduce cost, improve service efficiency.

Technological means that adopts of the present utility model and structural feature thereof are lifted a preferable possible embodiments conjunction with figs. now and are described as follows, in order to understanding.In the accompanying drawing,

Fig. 1 is the installing schematic diagram of existing electronics automatic door;

Fig. 2 is the circuit diagram of embodiment of the present utility model.

Present embodiment also is that each parts such as frequency feedback circuit arrangement and micro computer single-chip are formed by door, motor, sensor detector, speed probe, various adjusting device, and most of device is identical with preceding case ().Different persons are that this door leaf position detecting device is made of a magnetic reed switch and one stroke counter, detect door leaf position, the function of control rate to finish.The direct of travel of door leaf and speed have fast various different conditions such as opening the door, open the door at a slow speed, stop fully, close the door fast, close the door at a slow speed and close the door fully because of the difference of switch door.And magnetic reed switch of the present utility model is to be installed in the switchboard, because of it sets firmly with switchboard, so do not have the disappearance that gets loose because of door leaf walking vibrations, and it is connected installing all very near (position is approaching) with interior other assemblies of switchboard, so extremely convenient installing, and the trip count device is to be installed on the motor shaft, but the rotational travel of induction motor rotating shaft, and the rotational travel of motor shaft gets final product the stroke of advancing that correspondence goes out door leaf.The action principle of present embodiment is when human body (or object) is preceding near door leaf, sensor detector can sense in the space and change, so be about to do to differentiate and make revolution in the signal input micro computer single-chip, the drive door leaf is opened, and the speed walking that can open the door fast earlier this moment is when door leaf arrives when originally executing the set magnetic reed switch of example, this magnetic reed switch detects door leaf and arrives, and signal is defeated by the micro computer single-chip, and slow down to make motor, door leaf wink is promptly become open the door at a slow speed; And start a timer simultaneously and pick up counting; Door leaf with low-speed running after, have two kinds and stop mode, first kind is that door leaf low-speed running to door sheet is withstood till the least significant end (doorframe), to still have current flowing this moment, but motor can't rotate, so the micro computer single-chip promptly detects motor and stops operating, wait through after blink (about 2～3 seconds), motor promptly stops electric power fully, then as long as should signal come in (being not had foreign object in the space) not arranged, even then micro computer single-chip motor counter-rotating and closing the door after through the time of necessarily opening the door in order to the sensor detector that whether changes in the inductive spacing scope.This kind door leaf can be held the situation to least significant end, is when having many people to pass in and out at the same time, though a this moment door sheet has arrived the end that opens the door, pass in and out because of the personage is still arranged, so a door sheet must stop to wait for after withstanding end, and in the space of waiting nobody the time turn round again and close the door.

Second kind stops mode is to open the door at a slow speed when the door sheet, and motor turns round at once when the time that above-mentioned timer sets arrives, so that close the door; In this case, a door sheet is not opened to least significant end, and sensor detector no signal come in, so for saving the stroke that opens the door, when no show least significant end also, turned round and closed the door; Certainly, in the aforementioned first kind situation that stops of opening the door, when this timer also has setting-up time arrival, but because sensor detector still has signal come in (promptly still the someone comes in and goes out), so though timer arrives setting-up time, but make the rotating effect of motor, this is promptly done to judge according to actual conditions by this microcomputer chip and selects:

In the utility model, on motor shaft, install the one stroke counter, it can detect the rotational travel of motor, and convert the stroke of advancing of a sheet to, the trip calculates the number device can multiple structure, common person can have the rotating disk of some perforation scales with division, and it is installed on this motor shaft makes it along with revolution, therefore can detect the perforation number of process with an irradiation recipient of being located at the fixed point place, and corresponding gait of march and the direction of learning a sheet.The trip counter is because of being to be located on the motor shaft running thereupon, so in fact the trip counter system is defeated by the micro computer single-chip with the stroke and the direction signal of revolution at any time, so this micro computer single-chip can change motor rotary speed or direction etc. according to the variation of its signal at any time.At the aforementioned stroke that opens the door in arriving when withstanding end (doorframe) by the door sheet at last, though still have energising, because of the trip counter output signal not, so even after blink, cut off the power supply.

The trip counter is passed to the micro computer single-chip with the stroke of revolution and the signal of direction at any time, so this little diencephalon single-chip can calculate the distance of door sheet section stroke at any time according to need, and this device can be located flyback action earlier at the door sheet when opening the door the position that arrives this magnetic reed switch; Therefore when aforementioned motor begins revolution (closing the door fast), the trip counter promptly begins to recomputate the stroke distances of closing the door, at this, so on the micro computer single-chip, can preestablish certain section stroke distances of closing the door, when the door sheet arrive to set to close the door fast apart from the time, can make motor convert at a slow speed closes the door, after the clamping of last extremely door sheet is withstood mutually, the trip counter is promptly because of no signal output, so this micro computer single-chip is that electric power fades away after after a while, in order to the certain clamping of door sheet, finish the stroke of all closing the door.

In circuit diagram shown in Figure 2, in the signal input micro computer single-chip of trip count device A, and be the digital display lamp part in the grid B, it can show imposing a condition of single unit system, and grid C1～C8 represents some adjustment buttons, wherein pushes the C1 key and can show and set the speed of closing the door fast, can make its numeral up adjust and push the C6 key, push the C7 key and then can make it down adjust, push the C8 key and then can store again; Push the C2 key and can show and set the speed of closing the door at a slow speed, and can make its numeral up adjust after pushing the C6 key equally, pressing key C7 then can make it down adjust, push the then storage again of C8 key; Push the C3 key and can show and set the speed of opening the door at a slow speed, and C6, C7 key can adjust it and up increase or down subtract, store by C8 again; Kindred circumstances, C4 key system shows that brake strength is big little, and can be adjusted by C6, C7 key equally, is stored by the C8 key again; The C5 key then can show the length of the time of opening the door, and can adjust and store equally.

The above characteristic of the present utility model is to be only to cooperate the one stroke counter to reach the effect of control door leaf switch door speed by a magnetic reed switch, and the identical frequency feedback mode of adopting with preceding case () of the control of its motor rotary speed, to accord with ideal.

Claims (4)

1, the multi-functional door leaf switching device of a kind of single-chip micro computer is by door leaf, motor, the power that provides door leaf to advance; Sensor detector detects object in order to induction and accuses near; The rotating speed inductor is connected as driven nature with motor; Various adjusting devices; The door leaf position detecting device; Power supply device; Motor drives and speed control unit; The frequency feedback circuit arrangement; Reach assemblies such as micro computer single-chip, form according to the connecting relation of setting, the speed of this rotating speed inductor detects via the frequency feedback circuit, and the frequency values of importing in this micro computer single-chip with the setting speed that reads compares and computing, after calculating motor " voltage-rotating speed " optimal damping factor, the command speed control device increases and decreases electric power as required, make motor make the effect of increase and decrease torsion, to reach suitable speed control, it is characterized in that, this door leaf position detecting device is made of a magnetic reed switch and one stroke counter, this magnetic reed switch is installed in the appropriate location in the switchboard, when opening the door fast to this position, detect the letter thing and slow down by this micro computer single-chip instruction motor, door leaf is transformed at a slow speed opens the door; Start a timer timing simultaneously and make a location moving part that makes zero, the trip counter is then responded to the rotating speed that horse crosses, and calculates the stroke distances of door leaf in order to the micro computer single-chip; After door leaf turned round the state of closing the door fast by door opening state, the stroke that the trip counter is provided was promptly calculated, and closed the door at a slow speed and be transformed into when arriving the stroke set, closed the door to clamping eventually.

2, the multi-functional door leaf switching device of single-chip micro computer according to claim 1, it is characterized in that, opening the door at a slow speed of door leaf can cause the trip counter and not detect signal because of the door sheet withstands end (doorframe), so form complete door opening state even micro computer list core wafer stops electric power through motor after blink.

3, the multi-functional door leaf switching device of single-chip micro computer according to claim 1 is characterized in that, even in the door of switch at a slow speed of door leaf when the timer timing time arrives set definite value horse cross the revolution close the door.

4, the multi-functional door leaf switching device of single-chip micro computer according to claim 1, it is characterized in that, door leaf is done to close and is started when doing, back door sector-meeting clamping holds mutually, this moment, the trip counter did not promptly detect signal, even group's this micro computer single-chip motor power after after a while fades away, in order to the certain clamping of door sheet.

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