CN215671739U - Automatic power failure automatic door opening control device of automatic induction door - Google Patents
Automatic power failure automatic door opening control device of automatic induction door Download PDFInfo
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- CN215671739U CN215671739U CN202121526256.8U CN202121526256U CN215671739U CN 215671739 U CN215671739 U CN 215671739U CN 202121526256 U CN202121526256 U CN 202121526256U CN 215671739 U CN215671739 U CN 215671739U
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Abstract
The utility model relates to an automatic door opening control device for an automatic induction door IN case of power failure, which is connected to an automatic induction door terminal through 6 lines (two lines are connected to a phase line and a zero line of an automatic induction door power inlet line AC220V, two lines are connected to automatic induction door DC24V '+' and '-' terminals, and two lines are connected to two 'IN' terminals of an automatic induction door sensor); the control device comprises an automatic power failure detection circuit unit, an automatic door opening control circuit unit after power failure and a charging protection circuit unit. According to the utility model, through the power failure detection reaction device circuit, 24V direct current of the storage battery is connected into the automatic door control system, the door opening motor is connected at the timing of 30-40 seconds, and the power supply is cut off after the timing time is up, so that the automatic door can be opened, the storage battery cannot supply power for a long time, and the safety of the automatic door is improved.
Description
Technical Field
The utility model belongs to the technical field of automatic doors, and relates to an automatic door opening control device driven by a 24-volt direct-current motor and used for automatically sensing power failure of a door.
Background
An automatic door is a door used in a production shop or a commercial shop that needs to be closed and opened at any time. Are used in large numbers in shops and in production plants of some factories.
The automatic induction door used in the prior art has no automatic door opening device in power failure, and the prior automatic induction door is in response to emergency plan in power failure: the UPS is additionally provided, but in actual operation, if the power failure is caused by fire, the sensor cannot necessarily work normally, so that the automatic sensing door cannot necessarily be opened, and even if the automatic sensing door can be opened by someone, the automatic sensing door cannot be opened by no one, and smoke cannot be discharged. Due to the consideration of safety, the automatic induction door should be automatically opened after power failure, so that the power failure caused by fire is prevented, the automatic induction door cannot be automatically opened or cannot be opened after power failure, unnecessary personal safety accidents are caused, and the condition that fire fighters cannot go forward is prevented.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic door opening control device for an automatic induction door in case of power failure. The automatic door opening device in power failure provided by the utility model is used for regularly operating the door opening motor for 30-40 s when power failure is set, and stopping operating the door opening motor after a door is opened, so that a power supply circuit is cut off.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an automatic door opening control device for an automatic induction door IN power failure is connected to terminals of the automatic induction door through 6 lines (two lines are connected to a phase line and a zero line of an automatic induction door power inlet line AC220V, two lines are connected to terminals of automatic induction door DC24V '+' and '-', and two lines are connected to two 'IN' terminals of an automatic induction door sensor); the control device comprises an automatic power failure detection circuit unit, an automatic door opening control circuit unit after power failure and a charging protection circuit unit;
the automatic power failure detection circuit unit comprises a fuse FU1, a single P switch QF1 and a coil of a relay KA;
a wire is led from an AC220V power supply (live wire) wire of the automatic induction door (used for detecting whether the automatic induction door has power failure) and is connected to a fuse FU1 wire inlet end, a fuse FU1 wire outlet end is connected to a single P switch QF1 wire inlet end, the single P switch QF1 wire outlet end is connected to one terminal (a terminal with the terminal number of 13 on an ohm dragon relay model MY 4N) of a coil of the relay KA, and the other terminal (a terminal with the terminal number of 14 on the ohm dragon relay model MY 4N) of the coil of the relay KA is connected to a zero wire of the automatic induction door;
the automatic door opening control circuit unit after power failure comprises three pairs of normally closed contacts of a fuse FU2, a single P switch QF2, a single P switch QF3 and a relay KA, a time relay KT and a battery E;
the '+' terminal of the DC24V terminal of the automatic induction door is connected to the incoming line terminal of the single P switch QF3, the outgoing line terminal of the single P switch QF3 is connected to one terminal of the first pair of normally closed contacts of the relay KA (namely, the terminal with the terminal number 1 on the ohm dragon relay model MY 4N), the other terminal of the pair of normally closed contacts of the relay KA (namely, the terminal with the terminal number 9 on the ohm dragon relay model MY 4N) is connected in two paths, one path is connected to the charging protection circuit unit, the other path is connected to one terminal of a pair of time-delay disconnection normally open contacts in the time relay KT (namely, the terminal with the terminal number 1 of the time relay KT, the terminal number 1 on the time relay model HY3-2, the other models are not necessary), the other terminal of the pair of time-delay disconnection normally open contacts (namely, the terminal with the terminal number 9 on the time relay model HY3-2, other models are not necessary) is connected in parallel with three paths, wherein one path is connected to the charging protection circuit unit, the other path is connected to the wire inlet end of the fuse FU2, and the other path is connected to the wire inlet end of the single P switch QF 2; the outgoing line of the fuse FU2 is terminated with the positive electrode of the battery E; the outlet end of the single P switch QF2 is connected to one terminal of the time relay KT coil (namely, the terminal of a terminal number 14 in a time relay model HY3-2, and other models are not necessary), the other terminal of the time relay KT coil (namely, the terminal of a terminal number 13 in a time relay model HY3-2, and other models are not necessary) is connected to one terminal of a second pair of normally closed contacts of the relay KA (namely, the terminal of the terminal number 2, the terminal of a terminal number 2 in an ohm dragon relay model MY4N, and other types of relays are not necessary), the other terminal of the second pair of normally closed contacts of the relay KA (namely, the terminal of the terminal number 10 in the ohm dragon relay model MY4N, and other types of relays are not necessary) is connected in parallel, respectively grounded and is connected with the cathode of the battery E, connecting a direct current '-' terminal of an automatic induction door control system;
the automatic induction door control system is provided with two sensor connecting terminals (IN terminals), one sensor connecting terminal is connected with one terminal (namely, a terminal with the terminal number 4, the terminal number 4 is the terminal with the terminal number 4 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of a third pair of normally closed contacts of the relay KA, and the other sensor connecting terminal is connected with the other terminal (namely, a terminal with the terminal number 12, the terminal number 12 is the terminal with the terminal number 12 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of the third pair of normally closed contacts of the relay KA;
the charging protection circuit unit comprises a pair of normally open contacts of the relay KA, a single P switch QF4, a voltage regulator tube, a capacitor C, resistors R1-R9, a potentiometer Rp, a voltage comparator, a diode VD1, a diode VD2, a triode A and a triode B;
the DC24V '+' terminal is connected with one terminal (namely, the terminal with the terminal number 7 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of a pair of normally open contacts of the relay KA, the other terminal (namely, the terminal with the terminal number 11 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of the pair of normally open contacts of the relay KA is divided into four paths to be respectively connected in parallel with the positive end of the capacitor C, the input end of the voltage regulator tube, the diode VD1 '+' end, one end of the resistor R7 (namely, the terminal 11 is connected with the positive end of the capacitor C, the input end of the voltage regulator tube, the diode VD1 '+' end and one end of the resistor R7 at the same point), and the negative end of the capacitor C and the grounding end of the voltage regulator tube are connected in parallel to the common ground terminal; the output end of the voltage regulator tube is connected in parallel to one end of a resistor R1, one end of a resistor R3 and a power supply end Vcc of a voltage comparator, the other end of a resistor R1 is connected to the end of a potentiometer Rp '+', the end of the potentiometer Rp '-' is connected to one end of a resistor R2, the other end of the resistor R2 is grounded, the sliding output end of the potentiometer Rp is connected to the non-inverting input end of the voltage comparator, the inverting input end of the voltage comparator is connected to one end of a resistor R5 and one end of a resistor R6, and the other end of the resistor R6 is grounded; the output end of the voltage comparator is connected to the other end of the resistor R3 and one end of the resistor R4, the other end of the resistor R4 is connected to the base of the triode A, the emitter of the triode A is grounded, the collector of the triode A is connected to one end of the resistor R8, the other end of the resistor R8 is simultaneously connected to the diode VD2 '-' end and the base of the triode B, the diode VD2 '+' end is connected to the diode VD1 '-' end, the emitter of the triode B is connected to one end of the resistor R7, the other end of the resistor R7 is connected to the input end of the voltage regulator tube, the collector of the triode B is connected to one end of the resistor R9, the other end of the resistor R9 is connected to both the other end of the resistor R5 and the input end of the single P switch QF4, and the outlet end of the single P switch QF4 is connected to the pole of the battery E '+' through the fuse FU 2.
After the power failure of the automatic door is detected, a 24V direct-current power supply of the storage battery is automatically connected into the automatic induction door system, other signals outside the door are shielded, the automatic door opening mode is started, the door opening motor is operated at regular time for 30-40 seconds, then the power supply of the automatic induction door system is cut off, the automatic door can be opened, the storage battery cannot discharge for a long time, and the safety of the automatic door is improved.
As a preferred technical scheme:
according to the automatic door opening control device for the automatic induction door during power failure, the model of the voltage regulator tube is 7824, the model of the voltage comparator is LM339, the model of the triode A is 9013, and the model of the triode B is TIP 42.
In the automatic door opening control device for the automatic induction door power failure, the battery E is a storage battery with the capacity of more than 6AH and the voltage of DC 24V.
As mentioned above, each automatic induction door comprises 1 automatic induction door control system and 1-2 external sensors.
The principle of the utility model is as follows:
an automatic door is a door used in a production shop or a commercial shop that needs to be closed and opened at any time. Are used in large quantities in shops and in production plants of some factories. The automatic door opening control device does not have the power failure in the automatic induction door in the use at present, and due to the thought in the aspect of safety, the automatic induction door can be automatically opened after the power failure, the power failure caused by fire is prevented, the automatic induction door can not be automatically opened or opened after the power failure, smoke is locked in a room, unnecessary personal safety accidents are caused, and the embarrassing phenomenon that fire fighters cannot enter the room is avoided.
Automatic induction door among the prior art though some can artificially pull open, but not all automatic induction doors all can force to pull open, the emergent scheme of current automatic induction door when dealing with the power failure: namely, a UPS power supply is additionally arranged. However, in actual operation, if the power is off due to fire, the sensor cannot work normally, so the automatic induction door cannot be opened, even if the automatic induction door can be opened by someone, the automatic induction door cannot be opened without someone, smoke cannot be discharged, and the automatic induction door can be pulled open or pried by people only when the sensor is damaged.
The automatic door opening control device in power failure automatically switches a 24V direct current power supply of the storage battery into the automatic induction door control system after detecting the power failure of the automatic door, shields other signals outside the opened door, enters an automatic door opening mode, runs the door opening motor at a timing of 30-40 seconds, and then cuts off the power supply of the automatic induction door control system, so that the automatic door can be opened, the storage battery cannot discharge for a long time, and the safety of the automatic door is improved. Because the electricity consumption of the automatic induction door is small every time, the charging circuit can close the single P switch QF4 to charge once every half year, or the charging circuit is not installed, and whether the battery needs to be charged or not is determined according to the service condition of the automatic door opening control device in power failure.
Has the advantages that:
according to the automatic door opening control device for the automatic induction door in the case of power failure, after the automatic door is detected to be in power failure, the DC24V power supply of the storage battery is automatically connected to the automatic induction door control system, other signals outside the opened door are shielded, an automatic door opening mode is entered, the door opening motor is operated at a timing of 30-40 seconds, and then the automatic induction door system is disconnected for power supply, so that the automatic door can be opened, the storage battery cannot be discharged for a long time, and the safety of the automatic door is improved.
Drawings
FIG. 1 is a schematic diagram of a power-off automatic door opening control device connected to an automatic induction door system;
FIG. 2 is a schematic structural view of the power failure automatic door opening control device connected to an automatic induction door system;
FIG. 3 is a schematic view of the power-off automatic door opening control device connected to an automatic induction door system;
FIG. 4 is a schematic diagram of the docking of the automatic power failure detection circuit unit with the automatic induction door control system;
FIG. 5 is a schematic diagram of the docking of the automatic door opening control circuit unit with the automatic induction door system after a power failure;
fig. 6 is a schematic diagram of a charge protection circuit.
Detailed Description
The utility model will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The relay KA in the utility model is an AC220V coil miniature relay, can be selected from a domestic ohm dragon MY4N series, and can also be a domestic Zhengtai 4 pair contact miniature relay; the time relay KT is a DC24V coil time relay, can select a domestic Xinling ST3 series, and can also use a domestic ohm dragon ST3 series time relay; the single P switch QF1 uses Schneider IC 65N-1A; the single P switch QF2 uses Schneider IC 65N-2A; the single P switch QF3 uses Schneider IC 65N-6A; the single P switch QF4 uses Schneider IC 65N-2A; the model of the voltage-stabilizing tube is 7824; the model of the voltage comparator is LM 339; the model of the triode A is 9013; the model of the triode B is TIP 42; the specifications of the resistors R1, R2, R4, R5 and R6 are 100K omega and 1/8W; the resistor R3 is 10K omega, 1/8W in specification; the resistor R7 is 1 omega and 1W in specification; the resistor R8 is 10 omega and 1W in specification; the resistor R9 is 3.3 omega and 5W in specification; the specification of the potentiometer Rp is 100K omega, 1/2W; VD1 and VD2 can be model numbers 2CK10, 1N4148 or 1N 4001; the capacitance C is 50V, 0.1 muF.
As shown IN fig. 1 to 3, an automatic door opening control device for an automatic induction door IN case of power failure is connected to automatic induction door terminals through 6 lines (two lines are connected to a phase line and a zero line of a 220V power inlet line of the automatic induction door, two lines are connected to DC24V '+' and '-' terminals of the automatic induction door, and two lines are connected to two 'IN' terminals of an automatic induction door sensor); the automatic door opening control device for the automatic induction door in power failure comprises an automatic power failure detection circuit unit, an automatic door opening control circuit unit after power failure and a charging protection circuit unit;
as shown in fig. 4, the automatic power failure detection circuit unit includes a fuse FU1, a single P switch QF1 and a coil of a relay KA;
a wire is led from an AC220V power supply (live wire) wire of the automatic induction door (used for detecting whether the automatic induction door has power failure) and is connected to a fuse FU1 wire inlet end, a fuse FU1 wire outlet end is connected to a single P switch QF1 wire inlet end, a single P switch QF1 wire outlet end is connected to one terminal of a coil of the relay KA (namely, the terminal number is 13 on an ohm dragon relay model MY4N, if the terminal number of the relay coil of other models is not necessarily), and the other terminal of the coil of the relay KA (namely, the terminal number is 14 on the ohm dragon relay model MY4N, if the terminal number of the relay coil of other models is not necessarily) is connected with a zero wire of the automatic induction door;
as shown in fig. 5, the automatic door opening control circuit unit after power failure comprises three pairs of normally closed contacts of a fuse FU2, a single P switch QF2, a single P switch QF3 and a relay KA, a time relay KT and a battery E (a DC24V battery);
the DC24V DC terminal '+' terminal of the automatic induction door is connected to the incoming line terminal of the single P switch QF3, the outgoing line terminal of the single P switch QF3 is connected to one terminal of the first pair of normally closed contacts of the relay KA (namely, the terminal of the terminal number 1, the terminal number 1 is on the ohm dragon relay model MY4N, other relays are not necessary), the other terminal of the pair of normally closed contacts of the relay KA (namely, the terminal of the terminal number 9, the terminal number 9 is on the ohm dragon relay model MY4N, other relays are not necessary) is connected in parallel with two paths, one path is connected to the charging protection circuit unit, the other path is connected to one terminal of a pair of time-delay breaking normally open contacts of the time relay KT (namely, the terminal of the KT terminal number 1 of the time relay, the terminal number 1 is on the HY3-2 of the time relay model HY3-2, other relays are not necessary), the other terminal of the pair of time-delay breaking normally open contacts (namely, the terminal of the time relay No. 9 is connected in the time relay model HY relay model The terminal number of the terminal is 9 on the model HY3-2, and other models are not necessary) is connected with three paths, wherein one path is connected to the charging protection circuit unit, the other path is connected to the wire inlet end of the fuse FU2, and the other path is connected to the wire inlet end of the single P switch QF 2; the outgoing line of the fuse FU2 is terminated with the anode of a battery E (a DC24V storage battery); the outlet end of the single P switch QF2 is connected to one terminal (namely, a terminal of a terminal number 14 in a time relay model HY3-2, and other models are not necessary) of a time relay KT coil, the other terminal (namely, a terminal of a terminal number 13 in a time relay model HY3-2, and other models are not necessary) of the time relay KT coil is connected to one terminal (namely, a terminal of a terminal number 2 in an ohm dragon relay model MY4N, and other types of relays are not necessary) of a second pair of normally closed contacts of the relay KA, the other terminal (namely, a terminal of a terminal number 10 in the ohm dragon relay model MY4N, and other types of relays are not necessary) is connected in parallel, and respectively grounded, and is connected with the cathode of a battery E (DC24V storage battery), connecting a direct current '-' terminal of an automatic induction door control system;
each automatic induction door comprises 1 automatic induction door control system and 1-2 external sensors;
the automatic induction door control system is provided with two sensor connecting terminals (IN terminals), one sensor connecting terminal is connected with one terminal (namely, a terminal with the terminal number 4, the terminal number 4 is the terminal with the terminal number 4 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of a third pair of normally closed contacts of the relay KA, and the other sensor connecting terminal is connected with the other terminal (namely, a terminal with the terminal number 12, the terminal number 12 is the terminal with the terminal number 12 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of the third pair of normally closed contacts of the relay KA;
as shown in fig. 6, the charging protection circuit unit includes a pair of normally open contacts of the relay KA, a single P switch QF4, a voltage regulator (model 7824), a capacitor C, resistors R1-R9, a potentiometer Rp, a voltage comparator (model LM339), a diode VD1, a diode VD2, a triode a (model 9013) and a triode B (model TIP 42);
the DC24V '+' terminal is connected with one terminal (namely, the terminal with the terminal number 7 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of a pair of normally open contacts of the relay KA, the other terminal (namely, the terminal with the terminal number 11 on the model MY4N of the ohm dragon relay, and other relays are not necessary) of the pair of normally open contacts of the relay KA is divided into four paths to be respectively connected in parallel with the positive end of the capacitor C, the input end of the voltage regulator tube, the diode VD1 '+' end, one end of the resistor R7 (namely, the terminal 11 is connected with the positive end of the capacitor C, the input end of the voltage regulator tube, the diode VD1 '+' end and one end of the resistor R7 at the same point), and the negative end of the capacitor C and the grounding end of the voltage regulator tube are connected in parallel to the common ground terminal; the output end of the voltage regulator tube is connected in parallel to one end of a resistor R1, one end of a resistor R3 and a power supply end Vcc of a voltage comparator, the other end of a resistor R1 is connected to the end of a potentiometer Rp '+', the end of the potentiometer Rp '-' is connected to one end of a resistor R2, the other end of the resistor R2 is grounded, the sliding output end of the potentiometer Rp is connected to the non-inverting input end of the voltage comparator, the inverting input end of the voltage comparator is connected to one end of a resistor R5 and one end of a resistor R6, and the other end of the resistor R6 is grounded; the output end of the voltage comparator is connected to the other end of the resistor R3 and one end of the resistor R4, the other end of the resistor R4 is connected to the base of the triode A, the emitter of the triode A is grounded, the collector of the triode A is connected to one end of the resistor R8, the other end of the resistor R8 is connected to the diode VD2 '-' and the base of the triode B, the diode VD2 '+' end is connected to the diode VD1 '-' end, the emitter of the triode B is connected to one end of the resistor R7, the other end of the resistor R7 is connected to the input end of the voltage regulator tube, the collector of the triode B is connected to one end of the resistor R9, the other end of the resistor R9 is connected to the other end of the resistor R5 and then to the lead-in end of the single P switch QF4, and the lead-out end of the single P switch QF4 is connected to the pole of the battery E (24V storage battery) through the fuse FU 2.
The specific using process is as follows:
the single-P switch QF1, QF2, QF3 and QF4 are switched on, when power failure does not occur, an AC220V coil of a relay KT is electrified and sucked, normally closed contacts (a terminal 1 and a terminal 9, a terminal 2 and a terminal 10, three pairs of normally closed terminals of a terminal 4 and a terminal 12) are disconnected, normally open contacts (a terminal 7 and a terminal 11 are closed, an automatic door opening device is in a charging state for a direct-current 24V storage battery when power failure occurs, and the working principle of a direct-current charging protection unit is as follows: the 24V direct current voltage is provided by an automatic induction door control system and is connected to a charging loop through normally open contacts (a pair of normally open terminals of a terminal 7 and a terminal 11) closed by a miniature relay KA; a 50V, 0.1 muf capacitor C is used to prevent self-oscillation of the three-terminal integrated regulator tube 7824. The DC24V storage battery voltage is connected to the reverse-phase input end of a voltage comparator LM339 through R5 and R6 (half of the charging voltage is sampled by 2 100k omega resistors in series), the charging voltage is set and terminated by a 100k potentiometer Rp at the non-phase input end of the voltage comparator LM339, when the charging voltage is lower than the set value, the voltage comparator LM339 outputs high level, a triode 9013 and a triode TIP42 are conducted, and the storage battery is charged; when the charging voltage is higher than the setting value, the LM339 outputs low level, the triode 9013 and the triode TIP42 are cut off, and charging is stopped. The transistor TIP42 is controlled to charge a 24V direct current storage battery, 2 diodes VD1 and VD2 clamp the base electrode of the transistor TIP42 at 1.4V when 9013 is conducted, and the charging current is adjusted by a 1 omega resistor and is about (1.4V-0.7V)/1 omega-0.7A. R3 is the pull-up resistor of voltage comparator LM339, and 3.3 omega 5W resistor R9 is to reduce the power consumption and heat generation of transistor TIP 42.
When the automatic door opening control device detects the power failure of the automatic door, the coil of the miniature relay KA loses power, the normally closed contacts of the miniature relay KA are closed (three pairs of terminals, namely a terminal 1 and a terminal 9, a terminal 2 and a terminal 10, and a terminal 4 and a terminal 12), the normally open contacts are opened (a terminal 7 and a terminal 11), the 24V direct current power supply of the storage battery passes through a fuse FU2, the time delay of the time relay KT is opened to form the normally closed terminals (the terminal 1 and the terminal 9), the normally closed contacts of the miniature relay KA (the terminal 1 and the terminal 9) are connected to a DC24V '+' terminal of the automatic induction door control system, the DC24V '-' terminal of the automatic induction door control system is connected with the negative electrode of the DC24V storage battery, and then the DC24V storage battery provides a DC24V power supply for the automatic induction door system; in addition, a 24V direct-current power supply of the storage battery passes through a fuse FU2, a single P switch, a time relay coil (a terminal 13 and a terminal 14), a normally closed contact (a terminal 2 and a terminal 10) closed by a miniature relay KA, a battery negative electrode forms a loop, the time relay coil is electrified, and therefore the time relay starts to time; the closed normally closed contacts (terminal 4 and terminal 12) of the miniature relay KA are used for shielding external sensor signals of the automatic induction door, so that the automatic induction door control system starts to open the automatic induction door, the normally closed terminals (terminal 1 and terminal 9) of the time relay KT are disconnected after 30-40 seconds, the automatic induction door control system loses power, and the automatic induction door is completely opened. The automatic door can be opened, the storage battery can not be discharged for a long time, and the safety of the automatic door is improved.
Because the power consumption of the automatic induction door is low every time, the charging circuit can close the single P switch QF4 to charge once every half year, or the charging circuit is not installed, and whether the battery needs to be charged or not is determined according to the service condition of the automatic door opening control device in power failure; the charging protection circuit can use the automatic charging protection circuit provided by the utility model, and can also design or use a mature charging device in the market.
Claims (4)
1. The utility model provides an automatic power failure automatic door opening control device of induction door which characterized in that: the control device is connected to the automatic induction door terminal through 6 lines; the control device comprises an automatic power failure detection circuit unit, an automatic door opening control circuit unit after power failure and a charging protection circuit unit;
the automatic power failure detection circuit unit comprises a fuse FU1, a single P switch QF1 and a coil of a relay KA;
one wire is led out from an AC220V power phase line of the automatic induction door and is connected to a wire inlet end of a fuse FU1, a wire outlet end of the fuse FU1 is connected to a wire inlet end of a single P switch QF1, a wire outlet end of the single P switch QF1 is connected to one terminal of a coil of the relay KA, and the other terminal of the coil of the relay KA is connected to a zero line of the automatic induction door;
the automatic door opening control circuit unit after power failure comprises three pairs of normally closed contacts of a fuse FU2, a single P switch QF2, a single P switch QF3 and a relay KA, a time relay KT and a battery E;
the DC24V '+' terminal of the automatic induction door is connected to the incoming line terminal of a single P switch QF3, the outgoing line terminal of the single P switch QF3 is connected to one terminal of a first pair of normally closed contacts of the relay KA, the other terminal of the pair of normally closed contacts of the relay KA is connected in parallel with two paths, one path is connected to the charging protection circuit unit, the other path is connected to one terminal of a pair of time-delay disconnection normally open contacts in the time relay KT, the other terminal of the pair of time-delay disconnection normally open contacts is connected in parallel with three paths, one path is connected to the charging protection circuit unit, the other path is connected to the incoming line terminal of the fuse 36FU 36, and the other path is connected to the incoming line terminal of a single P switch QF 2; the outgoing line of the fuse FU2 is terminated with the positive electrode of the battery E; the outlet end of the single P switch QF2 is connected to one terminal of a time relay KT coil, the other terminal of the time relay KT coil is connected to one terminal of a second pair of normally closed contacts of the relay KA, and the other terminal of the second pair of normally closed contacts of the relay KA is connected in parallel with three paths, is respectively grounded, is connected with the cathode of the battery E and is connected with a direct current '-' terminal of the automatic induction door control system;
the automatic induction door control system is provided with two sensor connecting terminals, one sensor connecting terminal is connected with one terminal of the third pair of normally closed contacts of the relay KA, and the other sensor connecting terminal is connected with the other terminal of the third pair of normally closed contacts of the relay KA;
the charging protection circuit unit comprises a pair of normally open contacts of the relay KA, a single P switch QF4, a voltage regulator tube, a capacitor C, resistors R1-R9, a potentiometer Rp, a voltage comparator, a diode VD1, a diode VD2, a triode A and a triode B;
the DC24V '+' terminal is connected with one terminal of a pair of normally open contacts of the relay KA, the other terminal of the pair of normally open contacts of the relay KA is divided into four paths and is respectively connected in parallel with the positive end of the capacitor C, the input end of the voltage regulator tube, the diode VD1 '+' end and one end of the resistor R7, and the negative end of the capacitor C and the grounding end of the voltage regulator tube are connected in parallel to the common ground terminal; the output end of the voltage regulator tube is connected in parallel to one end of a resistor R1, one end of a resistor R3 and a power supply end Vcc of a voltage comparator, the other end of a resistor R1 is connected to the end of a potentiometer Rp '+', the end of the potentiometer Rp '-' is connected to one end of a resistor R2, the other end of the resistor R2 is grounded, the sliding output end of the potentiometer Rp is connected to the non-inverting input end of the voltage comparator, the inverting input end of the voltage comparator is connected to one end of a resistor R5 and one end of a resistor R6, and the other end of the resistor R6 is grounded; the output end of the voltage comparator is connected to the other end of the resistor R3 and one end of the resistor R4, the other end of the resistor R4 is connected to the base of the triode A, the emitter of the triode A is grounded, the collector of the triode A is connected to one end of the resistor R8, the other end of the resistor R8 is connected to the diode VD2 '-' end and the base of the triode B, the diode VD2 '+' end is connected to the diode VD1 '-' end, the emitter of the triode B is connected to one end of the resistor R7, the other end of the resistor R7 is connected to the input end of the voltage regulator tube, the collector of the triode B is connected to one end of the resistor R9, the other end of the resistor R9 is connected to the other end of the resistor R5 and then to the input end of the single P switch QF4, and the output end of the single P switch QF4 is connected to the pole of the battery E '+' through the fuse FU 2.
2. The automatic door opening control device for the automatic induction door during the power failure as claimed in claim 1, wherein the model of the voltage regulator tube is 7824, the model of the voltage comparator is LM339, the model of the triode A is 9013, and the model of the triode B is TIP 42.
3. The automatic door opening control device according to claim 1, wherein the battery E is a storage battery with a capacity of more than 6AH and a voltage of DC 24V.
4. The automatic door opening control device for the automatic induction door in case of power failure as claimed in claim 1, wherein each automatic induction door comprises 1 automatic induction door control system and 1-2 external sensors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121526256.8U CN215671739U (en) | 2021-07-06 | 2021-07-06 | Automatic power failure automatic door opening control device of automatic induction door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121526256.8U CN215671739U (en) | 2021-07-06 | 2021-07-06 | Automatic power failure automatic door opening control device of automatic induction door |
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| CN215671739U true CN215671739U (en) | 2022-01-28 |
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| CN202121526256.8U Active CN215671739U (en) | 2021-07-06 | 2021-07-06 | Automatic power failure automatic door opening control device of automatic induction door |
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| CN (1) | CN215671739U (en) |
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