CN216197762U - Anticreep cantilever door - Google Patents

Abstract

The utility model discloses an anti-creeping cantilever door, which belongs to the technical field of cantilever doors.A bottom beam penetrates through the bottom of a door body bracket; the door body is arranged above the bottom beam in a sliding manner and penetrates through the door body bracket, and the bottom beam is provided with a driving mechanism; the primary coil of an isolation transformer of the safety electricity utilization protection device is electrically connected with commercial power, the secondary coil of the isolation transformer is electrically connected with the input end of a switch power supply, and the output end of the switch power supply is electrically connected with the power supply input end of an electricity utilization detection module; the signal input end of the electricity utilization detection module is electrically connected with the secondary coil of the isolation transformer after being connected with the input end of the main switch in parallel, the output end of the main switch is electrically connected with the wiring end of the driving mechanism, the signal output end of the electricity utilization detection module is electrically connected with the control end of the main switch, and the electricity utilization detection module is used for detecting whether the circuit of the cantilever door is abnormal or not and disconnecting the main switch when the circuit is abnormal. The utility model solves the problem that the circuit is easy to have contact danger when in electric leakage.

Description

Anticreep cantilever door

Technical Field

The utility model relates to the technical field of cantilever doors, in particular to an anti-creeping cantilever door.

Background

The cantilever door has the characteristics of multiple functions, has a door body with a strict requirement on resisting wind load, and is suitable for doors of building structures such as various plants, enterprises, schools, communities and the like, and can effectively manage passing vehicles and personnel. However, when the existing electric retractable door is subjected to line leakage, the door body is easily electrified, and people can be in danger of electric shock if touching the door body when entering or exiting, so that accidents can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks, the present invention provides an anti-creeping cantilever door, which solves the problem of danger of contact when a line is leaky through the safety electric protection device.

In order to achieve the purpose, the utility model adopts the following technical scheme: an anti-creeping cantilever door comprises a door body, a bottom beam, a door body bracket and a safety electric protection device, wherein the bottom beam penetrates through the bottom of the door body bracket; the door body is of an integrated structure, is arranged above the bottom beam in a sliding mode and penetrates through the door body support, and is provided with a driving mechanism;

the safety power utilization protection device comprises an isolation transformer T0, a switching power supply, a main switch and a power utilization detection module;

the primary coil of the isolation transformer T0 is electrically connected with a mains supply, the secondary coil of the isolation transformer T0 is electrically connected with the input end of the switch power supply, and the output end of the switch power supply is electrically connected with the power supply input end of the electricity utilization detection module;

the signal input end of the electricity utilization detection module is electrically connected with the secondary coil of the isolation transformer T0 after being connected with the input end of the main switch in parallel, the output end of the main switch is electrically connected with the wiring end of the driving mechanism, the signal output end of the electricity utilization detection module is electrically connected with the control end of the main switch, and the electricity utilization detection module is used for detecting whether the circuit of the cantilever door is abnormal or not and disconnecting the main switch when the circuit is abnormal.

It should be noted that the electricity consumption detection module includes an electric leakage detection unit and a central processing unit, a signal input end of the electric leakage detection unit is electrically connected to the secondary coil of the isolation transformer T0, a signal output end of the electric leakage detection unit is electrically connected to a signal input end of the central processing unit, and a signal output end of the central processing unit is electrically connected to a control end of the main switch.

Optionally, the input terminal of the leakage detecting unit is divided into a first input terminal LI and a second input terminal NI, the leakage detecting unit includes a single-phase detecting circuit, and the single-phase detecting circuit includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a non-polar capacitor C1, a polar capacitor C2, a non-polar capacitor C3, a diac D1, a diode D2, a diode D3, a diode D4, a diac D5, a triode Q1, an isolation transformer T1, and an operational amplifier U1;

the first input end LI is electrically connected to one end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the diac D1, one end of the nonpolar capacitor C1, the anode of the polar capacitor C2 and one end of the resistor R2, respectively, the other end of the resistor R2 is electrically connected to one end of the primary winding of the isolation transformer T1, and the other end of the diac D1, the other end of the nonpolar capacitor C1 and the cathode of the polar capacitor C2 are electrically connected to the other end of the primary winding of the isolation transformer T1; one end of the secondary coil of the isolation transformer T1 is electrically connected to the anode of the diode D4, and the other end of the secondary coil of the isolation transformer T1 is electrically connected to one end of a resistor R6; the cathode of the diode D4 is electrically connected with one end of the resistor R5, the other end of the resistor R5 is respectively electrically connected with one end of the diac D5, one end of the resistor R7 and the equidirectional input end of the operational amplifier U1; the other end of the resistor R6 is respectively and electrically connected with the other end of the diac D5, one end of the resistor R8 and the reverse input end of the operational amplifier U1; the other end of the resistor R7 and the other end of the resistor R8 are electrically connected and then grounded; the output end I _ LI of the operational amplifier U1 is electrically connected with the input end of the central processing unit;

the second input terminal NI is electrically connected to a negative electrode of the diode D3, an anode of the diode D3 is electrically connected to one end of the nonpolar capacitor C3, one end of the resistor R3, and an emitter of the transistor Q1, respectively, the other end of the nonpolar capacitor C3, the other end of the resistor R3, and a base of the transistor Q1 are electrically connected to one end of the resistor R4, the other end of the resistor R4 is electrically connected to a negative electrode of the diode D2, and an anode of the diode D2 is electrically connected to a ground PE; the collector of the transistor Q1 is electrically connected to the other end of the primary winding of the isolation transformer T1.

Specifically, the leakage detection unit further comprises a zero line detection circuit, wherein the zero line detection circuit comprises a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a non-polar capacitor C4, a polar capacitor C5, a non-polar capacitor C6, a diac D6, a diode D7, a diode D8, a diode D9, a diac D10, a triode Q2, an isolation transformer T2 and an operational amplifier U2;

the second input terminal NI is electrically connected to one end of the resistor R9, the other end of the resistor R9 is electrically connected to one end of the diac D6, one end of the nonpolar capacitor C4, the anode of the polar capacitor C5 and one end of the resistor R10, respectively, the other end of the resistor R10 is electrically connected to one end of the primary winding of the isolation transformer T2, and the other end of the diac D6, the other end of the nonpolar capacitor C4 and the cathode of the polar capacitor C5 are electrically connected to the other end of the primary winding of the isolation transformer T2; one end of the secondary coil of the isolation transformer T2 is electrically connected to the anode of the diode D9, and the other end of the secondary coil of the isolation transformer T2 is electrically connected to one end of a resistor R14; the cathode of the diode D9 is electrically connected with one end of the resistor R13, and the other end of the resistor R13 is electrically connected with one end of the diac D10, one end of the resistor R15 and the equidirectional input end of the operational amplifier U2 respectively; the other end of the resistor R14 is respectively and electrically connected with the other end of the diac D10, one end of the resistor R16 and the reverse input end of the operational amplifier U2; the other end of the resistor R15 and the other end of the resistor R16 are both grounded; the output end I _ NI of the operational amplifier U2 is electrically connected with the input end of the central processing unit;

the first input end LI is electrically connected to a negative electrode of the diode D8, an anode of the diode D8 is electrically connected to one end of the nonpolar capacitor C6, one end of the resistor R11, and an emitter of the transistor Q2, respectively, the other end of the nonpolar capacitor C6, the other end of the resistor R11, and a base of the transistor Q2 are electrically connected to one end of the resistor R12, the other end of the resistor R12 is electrically connected to a negative electrode of the diode D7, and an anode of the diode D7 is electrically connected to the ground PE; the collector of the transistor Q2 is electrically connected to the other end of the primary winding of the isolation transformer T2.

Preferably, the door body is of a fence type structure, and a tail pull rod assembly for adjusting the tightness of the door body is arranged at the rear end of the door body.

It is worth to say that the bottom beam is further provided with a guide rail and a roller structure, and the door body moves along the guide rail under the driving of the driving mechanism.

Optionally, the door head of door body is equipped with the display, the display with the electricity detection module communication is connected, the display is used for showing electricity detection module's electric leakage warning information.

Specifically, the power consumption detection device further comprises an alarm, wherein the alarm is electrically connected with the power consumption detection module, and the power consumption detection module controls the main switch to be switched off and simultaneously sends out an alarm through the alarm.

Preferably, waterproof adhesive tapes are arranged between two adjacent side walls of the bottom beam, the safety electricity utilization protection device is arranged in the bottom beam and is electrically connected with the driving mechanism through a power supply wire.

The door body support is characterized by further comprising a safety anti-pinch device, wherein the safety anti-pinch device is arranged on the front side surface and the rear side surface of the door body support;

the safety anti-pinch device comprises an anti-pinch rod and trigger mechanisms connected to two ends of the anti-pinch rod; the trigger mechanism is arranged at the end part of the front side surface and the end part of the rear side surface of the door body support, and the anti-pinch rod is vertically arranged in parallel to the door body support;

and the trigger signal output end of the trigger mechanism is electrically connected with the signal input end of the central processing unit of the electricity utilization detection module.

One of the above technical solutions has the following beneficial effects:

1. among the cantilever door of anticreep, when the inlet wire of cantilever door or its inside drive line appear the short circuit or when leaking electricity, the electricity detection module can detect out the unusual of circuit, control the master switch disconnection to avoid further stretching of trouble, also can avoid the door body, floorbar, the door body support of cantilever door are electrified, avoid the cantilever door around people touch the cantilever door and electrocute, avoid the occurence of failure. After the fault is relieved, the electricity detection module detects that the circuit is not abnormal, so that the main switch is controlled to be closed, the driving mechanism of the cantilever door can be electrified to normally operate, the door body is driven to move along the bottom beam, and the door body penetrates through the door body support when moving, so that the cantilever door is opened and closed. The safety electricity utilization protection device can effectively identify the abnormal problem of any line in the power grid, the judgment process is rapid, the power supply line can be cut off rapidly, and no time difference exists. The safety near the cantilever door can be effectively ensured.

2. The isolation transformer T0 is arranged to completely isolate the drive circuit of the cantilever door from the power grid, so that the ground wire of the safety power utilization protection device is isolated from the ground wire of the commercial power, and a human body does not generate a loop with the ground when touching the leakage equipment, and does not generate electric shock risk.

Drawings

FIG. 1 is a schematic view of a cantilever door according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cantilever door according to another embodiment of the present invention;

fig. 3 is a circuit diagram of a safety electric protection device according to an embodiment of the present invention;

FIG. 4 is a circuit diagram of a single phase detection circuit of one embodiment of the present invention;

FIG. 5 is a circuit diagram of a neutral detection circuit of one embodiment of the present invention;

FIG. 6 is a schematic view of a safety anti-pinch device according to an embodiment of the present invention;

wherein: 1, a door body; 11 a tail drawbar assembly; 2, a bottom beam; 21 a drive mechanism; 3, a door body bracket; 4 safety electricity utilization protection device; 41 switching power supply; 42 a master switch; 43 a central processing unit; 44 a power supply unit; 45 single-phase detection circuit; 46 zero line detection circuit; 5, a safety anti-pinch device; 51 an anti-pinch bar; 52 a trigger mechanism; a resistor R1; a resistor R2; a resistor R3; a resistor R4; a resistor R5; a resistor R6; a resistor R7; a resistor R8; a resistor R9; a resistor R10; a resistor R11; a resistor R12; a resistor R13; a resistor R14; a resistor R15; a resistor R16; a non-polar capacitor C1; a polar capacitor C2; a non-polar capacitor C3; a non-polar capacitor C4; a polar capacitor C5; a non-polar capacitor C6; a diac D1; a diode D2; a diode D3; a diode D4; a diac D5; a diac D6; a diode D7; a diode D8; a diode D9; a diac D10; a transistor Q1; a transistor Q2; an isolation transformer T1; an isolation transformer T2; an operational amplifier U1; an operational amplifier U2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An anti-creeping cantilever door according to an embodiment of the present invention is described below with reference to fig. 1 to 6, and includes a door body 1, a bottom beam 2, a door body bracket 3, and a safety electric protection device 4, where the bottom beam 2 passes through the bottom of the door body bracket 3; the door body 1 is of an integrated structure, the door body 1 is arranged above the bottom beam 2 in a sliding mode and penetrates through the door body support 3, the bottom beam 2 is provided with a driving mechanism 21, and the door body 1 moves along the bottom beam 2 under the driving of the driving mechanism 21; preferably, the driving mechanism 21 is a motor. The safety electricity utilization protection device 4 comprises an isolation transformer T0, a switching power supply 41, a main switch 42 and an electricity utilization detection module; specifically, the turn ratio of the primary coil and the secondary coil of the isolation transformer T0 is 1: 1, isolation transformer T0 only plays the isolation, avoids the user directly to touch the commercial power, and does not play the effect of step-up or step-down. A primary coil of the isolation transformer T0 is electrically connected to a mains supply, a secondary coil of the isolation transformer T0 is electrically connected to an input terminal of the switching power supply 41, and an output terminal of the switching power supply 41 is electrically connected to a power input terminal of the power consumption detection module; specifically, the switching power supply 41 converts the alternating current of the secondary coil of the isolation transformer T0 into a 24V direct current, the output end of the switching power supply 41 is electrically connected to the power supply unit 44 in the electricity usage detection module, and the power supply unit 44 converts the 24V direct current output by the switching power supply 41 into a 5V direct current to supply power to other units of the electricity usage detection module. The signal input end of the electricity utilization detection module is electrically connected with the secondary coil of the isolation transformer T0 after being connected with the input end of the main switch 42 in parallel, the output end of the main switch 42 is electrically connected with the wiring end of the driving mechanism 21, the signal output end of the electricity utilization detection module is electrically connected with the control end of the main switch 42, and the electricity utilization detection module is used for detecting whether the circuit of the cantilever door is abnormal or not and disconnecting the main switch 42 when the circuit is abnormal. Specifically, the master switch 42 is, but not limited to, an ac contactor or a magnetically controlled knife switch. For example, when the main switch 42 is an ac contactor, the control terminal of the main switch is a control connection terminal for controlling the switching-on or switching-off of the ac contactor, and the ac contactor is an existing product, and when different signals are input to the control terminal, the switching-on or switching-off of the ac contactor can be realized. For example, when the main switch 42 is a magnetically controlled knife switch, the control terminal is an input terminal of a driving circuit of the magnetically controlled knife switch. And the iron core of the isolation transformer T0 is connected with the ground wire of the commercial power. During normal use, the electricity consumption detection module detects that the circuit is not unusual, controls master switch 42 closes, actuating mechanism 21 and commercial power intercommunication, actuating mechanism 21 operates to the drive door body 1 is followed bottom beam 2 removes.

Among the cantilever door of anticreep, when the inlet wire of cantilever door or its inside drive line appear short circuit or electric leakage, the electricity detection module can detect out the unusual of circuit, control master switch 42 disconnection to avoid further stretching of trouble, also can avoid the door body 1, floorbar 2, the door body support 3 of cantilever door are electrified, avoid the people around the cantilever door to touch the cantilever door and electrocute, avoid the occurence of failure. After the fault is relieved, the electricity detection module detects that the circuit is not abnormal, so that the main switch 42 is controlled to be closed, the driving mechanism 21 of the cantilever door can be electrified to normally operate, the door body 1 is driven to move along the bottom beam 2, and the door body 1 penetrates through the door body support 3 when moving, so that the cantilever door is opened and closed. The safety electricity utilization protection device 4 can effectively identify the abnormal problem of any line in the power grid, the judgment process is rapid, the power supply line can be cut off rapidly, and no time difference exists. The safety near the cantilever door can be effectively ensured. The isolation transformer T0 is arranged to completely isolate the drive circuit of the cantilever door from the power grid, so that the ground wire of the safety power utilization protection device 4 is isolated from the ground wire of the commercial power, a human body does not generate a loop with the ground when touching the leakage equipment, and the electric shock risk is avoided.

In some embodiments, the electricity consumption detecting module includes an electric leakage detecting unit and a central processing unit 43, a signal input end of the electric leakage detecting unit is electrically connected to the secondary winding of the isolation transformer T0, a signal output end of the electric leakage detecting unit is electrically connected to a signal input end of the central processing unit 43, and a signal output end of the central processing unit 43 is electrically connected to the control end of the main switch 42. Specifically, the leakage detecting unit is used for detecting whether the line leaks electricity; the central processing unit 43 is configured to receive a determination result of the leakage detection unit, so as to control the opening and closing of the main switch 42, and the central processing unit 43 is preferably an ARM, and has a model number of STM32F 103. The electricity detection module may set a threshold of the leakage current in the leakage detection unit, and when the safety electricity detection module detects that the leakage current exceeds the set threshold, the central processing unit 43 controls the main switch 42 to cut off the power supply circuit.

It should be noted that the input terminal of the leakage detecting unit 32 is divided into a first input terminal LI and a second input terminal NI, the leakage detecting unit includes a single-phase detecting circuit 45, and the single-phase detecting circuit 45 includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a non-polar capacitor C1, a polar capacitor C2, a non-polar capacitor C3, a diac D1, a diode D2, a diode D3, a diode D4, a diac D5, a triode Q1, an isolation transformer T1, and an operational amplifier U1; the first input end LI is electrically connected to one end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the diac D1, one end of the nonpolar capacitor C1, the anode of the polar capacitor C2 and one end of the resistor R2, respectively, the other end of the resistor R2 is electrically connected to one end of the primary winding of the isolation transformer T1, and the other end of the diac D1, the other end of the nonpolar capacitor C1 and the cathode of the polar capacitor C2 are electrically connected to the other end of the primary winding of the isolation transformer T1; one end of the secondary coil of the isolation transformer T1 is electrically connected to the anode of the diode D4, and the other end of the secondary coil of the isolation transformer T1 is electrically connected to one end of a resistor R6; the cathode of the diode D4 is electrically connected with one end of the resistor R5, the other end of the resistor R5 is respectively electrically connected with one end of the diac D5, one end of the resistor R7 and the equidirectional input end of the operational amplifier U1; the other end of the resistor R6 is respectively and electrically connected with the other end of the diac D5, one end of the resistor R8 and the reverse input end of the operational amplifier U1; the other end of the resistor R7 and the other end of the resistor R8 are electrically connected and then grounded; the output end I _ LI of the operational amplifier U1 is electrically connected with the input end of the central processing unit 43; the second input terminal NI is electrically connected to a negative electrode of the diode D3, an anode of the diode D3 is electrically connected to one end of the nonpolar capacitor C3, one end of the resistor R3, and an emitter of the transistor Q1, respectively, the other end of the nonpolar capacitor C3, the other end of the resistor R3, and a base of the transistor Q1 are electrically connected to one end of the resistor R4, the other end of the resistor R4 is electrically connected to a negative electrode of the diode D2, and an anode of the diode D2 is electrically connected to a ground PE; the collector of the transistor Q1 is electrically connected to the other end of the primary winding of the isolation transformer T1. Specifically, when the power supply system is a three-phase power supply system, the isolation transformer T0 is a three-phase transformer, the leakage detecting unit includes three single-phase detecting circuits 45 and three first input terminals LI, each single-phase detecting circuit 45 corresponds to one first input terminal LI, each first input terminal LI is electrically connected to one of the phases of the three-phase power supply system of the secondary winding of the isolation transformer T0, and the second input terminal NI is electrically connected to the zero line of the secondary winding of the isolation transformer T0. When the power supply system is a common live wire and zero wire power supply system, the leakage detection unit includes a single-phase detection circuit 45, the first input end LI is electrically connected to the live wire of the secondary coil of the isolation transformer T0, and the second input end NI is electrically connected to the zero wire of the secondary coil of the isolation transformer T0. It should be noted that the ground wire PE is a ground wire of the safety electric protection device 4. The diac D1 and the diac D5 are diodes that are both conductive in both directions, and can be turned on when the voltage applied to the diac D1 or the diac D5 is greater than its trigger voltage.

The single-phase detection circuit 45 determines whether the leakage current of one phase in the three-phase power supply system is greater than a safe current threshold or whether the leakage current of the live wire and zero wire power supply system is greater than a safe current threshold, and if so, the central processing unit 43 controls the main switch 42 to be switched off to switch off the commercial power and the circuit of the driving mechanism 21. As shown in fig. 3 and 4, in the present embodiment, the power supply system is a normal live wire and zero line power supply system, when the live wire has a leakage problem, the current of the live wire flows to the ground wire PE through the leakage, the current of the ground wire PE drives the transistor Q1 to conduct, a loop is formed between the first input end LI and the second input end NI electrically connected to the secondary coil of the isolation transformer T0, the secondary coil of the isolation transformer T1 generates an induced voltage, the operational amplifier U1 amplifies the induced voltage and sends a first output signal to the cpu 43 through its own output end I _ LI, the cpu 43 calculates a first leakage current according to the circuit parameters of the operational amplifier U1 and the first output signal, compares the first leakage current with a preset safety current threshold, and outputs a short-circuit protection control signal to the main switch 42 if the first leakage current exceeds the safety current threshold, the master switch 42 is open.

Optionally, the leakage detecting unit further includes a zero line detecting circuit 46, where the zero line detecting circuit 46 includes a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a non-polar capacitor C4, a polar capacitor C5, a non-polar capacitor C6, a diac D6, a diode D7, a diode D8, a diode D9, a diac D10, a triode Q2, an isolation transformer T2, and an operational amplifier U2; the second input terminal NI is electrically connected to one end of the resistor R9, the other end of the resistor R9 is electrically connected to one end of the diac D6, one end of the nonpolar capacitor C4, the anode of the polar capacitor C5 and one end of the resistor R10, respectively, the other end of the resistor R10 is electrically connected to one end of the primary winding of the isolation transformer T2, and the other end of the diac D6, the other end of the nonpolar capacitor C4 and the cathode of the polar capacitor C5 are electrically connected to the other end of the primary winding of the isolation transformer T2; one end of the secondary coil of the isolation transformer T2 is electrically connected to the anode of the diode D9, and the other end of the secondary coil of the isolation transformer T2 is electrically connected to one end of a resistor R14; the cathode of the diode D9 is electrically connected with one end of the resistor R13, and the other end of the resistor R13 is electrically connected with one end of the diac D10, one end of the resistor R15 and the equidirectional input end of the operational amplifier U2 respectively; the other end of the resistor R14 is respectively and electrically connected with the other end of the diac D10, one end of the resistor R16 and the reverse input end of the operational amplifier U2; the other end of the resistor R15 and the other end of the resistor R16 are both grounded; the output end I _ NI of the operational amplifier U2 is electrically connected with the input end of the central processing unit 43; the first input end LI is electrically connected to a negative electrode of the diode D8, an anode of the diode D8 is electrically connected to one end of the nonpolar capacitor C6, one end of the resistor R11, and an emitter of the transistor Q2, respectively, the other end of the nonpolar capacitor C6, the other end of the resistor R11, and a base of the transistor Q2 are electrically connected to one end of the resistor R12, the other end of the resistor R12 is electrically connected to a negative electrode of the diode D7, and an anode of the diode D7 is electrically connected to the ground PE; the collector of the transistor Q2 is electrically connected to the other end of the primary winding of the isolation transformer T2. Specifically, the diac D6 and the diac D10 are diacs, the diac D6 and the diac D10 are diodes that can be conducted in both directions, and the diac D6 or the diac D10 can be conducted when the voltage applied to the diac D6 or the diac D10 is greater than its trigger voltage. The drive current of the triode Q1 and the drive current of the triode Q2 are 0.05mA-15.5 mA.

The zero line detection circuit 46 determines whether the leakage current of the zero line of the three-phase power supply system or the live line zero line power supply system is greater than a safe current threshold, and if so, the central processing unit 43 controls the main switch 42 to be switched off, so as to switch off the commercial power and the circuit of the driving mechanism 21. As shown in fig. 2 and 5, in this embodiment, the power supply system is a normal live wire and zero line power supply system, when the zero line has a current leakage problem, the current of the zero line flows to the ground line PE through the current leakage, the current of the ground line PE drives the transistor Q2 to conduct, a loop is formed between the first input end LI and the second input end NI electrically connected to the secondary coil of the isolation transformer T0, the secondary coil of the isolation transformer T2 generates an induced voltage, the operational amplifier U2 amplifies the induced voltage and then sends a second output signal to the cpu 43 through its own output end I _ NI, the cpu 43 calculates a second leakage current according to the circuit parameters of the operational amplifier U2 and the second output signal, compares the second leakage current with a preset safety current threshold, and outputs a short-circuit protection control signal to the main switch 42 if the second leakage current exceeds the safety current threshold, the master switch 42 is open.

Specifically, door body 1 is fence formula structure, the rear end of door body 1 is equipped with the regulation the afterbody pull rod assembly 11 of door body 1 elasticity. Specifically, as shown in fig. 1 and 2, the tail pull rod assembly 11 is adjusted, so that the tightness of the door body 1 is adjusted, the door body 1 is attached to the bottom beam 2, and the door body 1 is not prone to derailing in the translation process.

Preferably, the bottom beam 2 is further provided with a guide rail and a roller structure, and the door body 1 moves along the guide rail under the driving of the driving mechanism 21. After the driving mechanism 21 is communicated with the mains supply, the driving mechanism 21 acts to drive the roller structure to rotate, and further drive the door body 1 to move in the guide rail. Specifically, the guide rail is linear, so that the door body 1 can linearly translate along the guide rail under the driving of the driving mechanism 21.

In some embodiments, a display is arranged on a door head of the door body, the display is in communication connection with the electricity consumption detection module, and the display is used for displaying electric leakage reminding information of the electricity consumption detection module. In the live wire and zero line power supply system of this embodiment, in the electric leakage alarm current is adjusted to the electricity analysis module, can be in according to every different operational environment the electricity analysis module sets up electric leakage alarm current, works as the electricity analysis module detects that electric leakage current exceeds the setting value then shows in the display, reminds people around to pay attention to safety to when electric leakage current exceeds the twice of setting value or detect that it is live wire electric leakage then control master switch 42 and cut off power supply circuit.

It is worth mentioning that the alarm is further included, and the alarm is electrically connected with the electricity consumption detection module, and the electricity consumption detection module gives an alarm through the alarm while controlling the main switch 42 to be turned off. When the leakage current exceeds twice of the set value or the live wire leakage is detected, the electric leakage accident is serious, the alarm is used for alarming people around, the electric door is dangerous, people around are reminded not to approach the electric door, and the safety of people is guaranteed.

Optionally, a waterproof adhesive tape is arranged between two adjacent side walls of the bottom beam, the safety electric protection device 4 is arranged in the bottom beam 2, and the safety electric protection device 4 is electrically connected with the driving mechanism 21 through a power supply wire. The installation position of the safety electric protection device 4 is close to the driving mechanism 21, and the wiring length of the safety electric protection device 4 and the driving mechanism 21 is shortened, so that resources are saved. Because all be equipped with waterproof sticky tape between two adjacent lateral walls of floorbar 2, so, floorbar 2 has waterproof function, can guarantee to be located equipment in the floorbar 2 is difficult to meet water and short circuit.

The door body support is characterized by further comprising a safety anti-pinch device 5, wherein the safety anti-pinch device 5 is arranged on the front side face and the rear side face of the door body support 3; the safety anti-pinch device 5 comprises an anti-pinch rod 51 and trigger mechanisms 52 connected to two ends of the anti-pinch rod 51; the trigger mechanism 52 is mounted at the end part of the front side surface and the end part of the rear side surface of the door body support 3, and the anti-clamping rod 51 is vertically arranged in parallel with the door body support 3; the trigger signal output end of the trigger mechanism 52 is electrically connected with the signal input end of the central processing unit 43 of the electricity utilization detection module. Preferably, the trigger mechanism 52 is a microswitch. As shown in fig. 1, 2 and 6, when the door body 1 moves horizontally, an object enters the moving range of the door body 1, the anti-pinch bar 51 of the anti-pinch safety device 5 will hit the object, the anti-pinch bar 51 will trigger the trigger mechanism 52, the trigger mechanism 52 will generate a trigger signal after being triggered, and the trigger signal is sent to the central processing unit 43 through the trigger signal output end of the trigger mechanism 52, the central processing unit 43 receives the trigger signal and then controls the main switch 42 to be switched off, and the drive mechanism 21 is powered off to stop operating, so that the door body 1 stops moving, and the object is prevented from being further injured.

Other constructions and operations of an anti-creeping cantilever door according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an anticreep cantilever door, includes door body, floorbar, door body support and safe power consumption protection device, its characterized in that: the bottom beam penetrates through the bottom of the door body bracket; the door body is of an integrated structure, is arranged above the bottom beam in a sliding mode and penetrates through the door body support, and is provided with a driving mechanism;

the safety power utilization protection device comprises an isolation transformer T0, a switching power supply, a main switch and a power utilization detection module;

the primary coil of the isolation transformer T0 is electrically connected with a mains supply, the secondary coil of the isolation transformer T0 is electrically connected with the input end of the switch power supply, and the output end of the switch power supply is electrically connected with the power supply input end of the electricity utilization detection module;

the signal input end of the electricity utilization detection module is electrically connected with the secondary coil of the isolation transformer T0 after being connected with the input end of the main switch in parallel, the output end of the main switch is electrically connected with the wiring end of the driving mechanism, the signal output end of the electricity utilization detection module is electrically connected with the control end of the main switch, and the electricity utilization detection module is used for detecting whether the circuit of the cantilever door is abnormal or not and disconnecting the main switch when the circuit is abnormal.

2. The anti-creeping cantilever door according to claim 1, wherein: the electricity utilization detection module comprises an electric leakage detection unit and a central processing unit, wherein a signal input end of the electric leakage detection unit is electrically connected with a secondary coil of the isolation transformer T0, a signal output end of the electric leakage detection unit is electrically connected with a signal input end of the central processing unit, and a signal output end of the central processing unit is electrically connected with a control end of the main switch.

3. The anti-creeping cantilever door according to claim 2, wherein: the input end of the leakage detection unit is divided into a first input end LI and a second input end NI, the leakage detection unit comprises a single-phase detection circuit, and the single-phase detection circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a non-polar capacitor C1, a polar capacitor C2, a non-polar capacitor C3, a diac D1, a diode D2, a diode D3, a diode D4, a diac D5, a triode Q1, an isolation transformer T1 and an operational amplifier U1;

the first input end LI is electrically connected to one end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the diac D1, one end of the nonpolar capacitor C1, the anode of the polar capacitor C2 and one end of the resistor R2, respectively, the other end of the resistor R2 is electrically connected to one end of the primary winding of the isolation transformer T1, and the other end of the diac D1, the other end of the nonpolar capacitor C1 and the cathode of the polar capacitor C2 are electrically connected to the other end of the primary winding of the isolation transformer T1; one end of the secondary coil of the isolation transformer T1 is electrically connected to the anode of the diode D4, and the other end of the secondary coil of the isolation transformer T1 is electrically connected to one end of a resistor R6; the cathode of the diode D4 is electrically connected with one end of the resistor R5, the other end of the resistor R5 is respectively electrically connected with one end of the diac D5, one end of the resistor R7 and the equidirectional input end of the operational amplifier U1; the other end of the resistor R6 is respectively and electrically connected with the other end of the diac D5, one end of the resistor R8 and the reverse input end of the operational amplifier U1; the other end of the resistor R7 and the other end of the resistor R8 are electrically connected and then grounded; the output end I _ LI of the operational amplifier U1 is electrically connected with the input end of the central processing unit;

the second input terminal NI is electrically connected to a negative electrode of the diode D3, an anode of the diode D3 is electrically connected to one end of the nonpolar capacitor C3, one end of the resistor R3, and an emitter of the transistor Q1, respectively, the other end of the nonpolar capacitor C3, the other end of the resistor R3, and a base of the transistor Q1 are electrically connected to one end of the resistor R4, the other end of the resistor R4 is electrically connected to a negative electrode of the diode D2, and an anode of the diode D2 is electrically connected to a ground PE; the collector of the transistor Q1 is electrically connected to the other end of the primary winding of the isolation transformer T1.

4. The anti-creeping cantilever door according to claim 3, wherein: the leakage detection unit further comprises a zero line detection circuit, wherein the zero line detection circuit comprises a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a non-polar capacitor C4, a polar capacitor C5, a non-polar capacitor C6, a diac D6, a diode D7, a diode D8, a diode D9, a diac D10, a triode Q2, an isolation transformer T2 and an operational amplifier U2;

the second input terminal NI is electrically connected to one end of the resistor R9, the other end of the resistor R9 is electrically connected to one end of the diac D6, one end of the nonpolar capacitor C4, the anode of the polar capacitor C5 and one end of the resistor R10, respectively, the other end of the resistor R10 is electrically connected to one end of the primary winding of the isolation transformer T2, and the other end of the diac D6, the other end of the nonpolar capacitor C4 and the cathode of the polar capacitor C5 are electrically connected to the other end of the primary winding of the isolation transformer T2; one end of the secondary coil of the isolation transformer T2 is electrically connected to the anode of the diode D9, and the other end of the secondary coil of the isolation transformer T2 is electrically connected to one end of a resistor R14; the cathode of the diode D9 is electrically connected with one end of the resistor R13, and the other end of the resistor R13 is electrically connected with one end of the diac D10, one end of the resistor R15 and the equidirectional input end of the operational amplifier U2 respectively; the other end of the resistor R14 is respectively and electrically connected with the other end of the diac D10, one end of the resistor R16 and the reverse input end of the operational amplifier U2; the other end of the resistor R15 and the other end of the resistor R16 are both grounded; the output end I _ NI of the operational amplifier U2 is electrically connected with the input end of the central processing unit;

the first input end LI is electrically connected to a negative electrode of the diode D8, an anode of the diode D8 is electrically connected to one end of the nonpolar capacitor C6, one end of the resistor R11, and an emitter of the transistor Q2, respectively, the other end of the nonpolar capacitor C6, the other end of the resistor R11, and a base of the transistor Q2 are electrically connected to one end of the resistor R12, the other end of the resistor R12 is electrically connected to a negative electrode of the diode D7, and an anode of the diode D7 is electrically connected to the ground PE; the collector of the transistor Q2 is electrically connected to the other end of the primary winding of the isolation transformer T2.

5. The anti-creeping cantilever door according to claim 1, wherein: the door body is of a fence type structure, and a tail pull rod assembly for adjusting the tightness of the door body is arranged at the rear end of the door body.

6. The anti-creeping cantilever door according to claim 1, wherein: the bottom beam is further provided with a guide rail and a roller wheel structure, and the door body moves along the guide rail under the driving of the driving mechanism.

7. The anti-creeping cantilever door according to claim 1, wherein: the door head of door body is equipped with the display, the display with the electricity detection module communication is connected, the display is used for showing electricity detection module's electric leakage warning information.

8. The anti-creeping cantilever door according to claim 7, wherein: the electricity consumption detection module controls the disconnection of the main switch and simultaneously gives an alarm through the alarm.

9. The anti-creeping cantilever door according to claim 1, wherein: all be equipped with waterproof sticky tape between two adjacent lateral walls of floorbar, safe power consumption protection device set up in the floorbar, safe power consumption protection device pass through the power supply electric wire with actuating mechanism electricity is connected.

10. The anti-creeping cantilever door according to claim 2, wherein: the door body support is characterized by also comprising a safety anti-pinch device, wherein the safety anti-pinch device is arranged on the front side surface and the back side surface of the door body support;

the safety anti-pinch device comprises an anti-pinch rod and trigger mechanisms connected to two ends of the anti-pinch rod; the trigger mechanism is arranged at the end part of the front side surface and the end part of the rear side surface of the door body support, and the anti-pinch rod is vertically arranged in parallel to the door body support;

and the trigger signal output end of the trigger mechanism is electrically connected with the signal input end of the central processing unit of the electricity utilization detection module.

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