CN111547594A - Novel electric brake releasing system for elevator and using method thereof - Google Patents
Novel electric brake releasing system for elevator and using method thereof Download PDFInfo
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- CN111547594A CN111547594A CN202010376074.0A CN202010376074A CN111547594A CN 111547594 A CN111547594 A CN 111547594A CN 202010376074 A CN202010376074 A CN 202010376074A CN 111547594 A CN111547594 A CN 111547594A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000003578 releasing effect Effects 0.000 title description 5
- 239000003990 capacitor Substances 0.000 claims description 61
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 27
- 229910052744 lithium Inorganic materials 0.000 claims description 27
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
- B66B1/365—Means for stopping the cars, cages, or skips at predetermined levels mechanical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses a novel electric brake release system for an elevator and a using method thereof, wherein the novel electric brake release system comprises an electric brake release device, a frequency converter, a main board, an encoder and a main machine brake-contracting coil; the input end of the electric brake release device is connected with a mains supply, and the output end of the electric brake release device is respectively connected with the input end of the frequency converter and the host brake coil and respectively supplies power to the frequency converter and controls the host brake coil; the output end of the frequency converter is connected with the input end of the mainboard and supplies power to the mainboard; the output end of the mainboard is connected with the input end of the encoder and supplies power to the encoder; the output end of the encoder is connected with the mainboard and feeds back the operation information to the mainboard. According to the invention, an operator can limit the speed of the elevator by manually controlling the brake release action according to the display on the digital tube of the main board or the display on the handheld operator, so that the elevator is kept in a low-speed range, and the rescue safety is ensured.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a novel electric brake release system for an elevator and a using method thereof.
Background
Along with the importance of people on the safety of the elevator, the electric brake release device is more and more widely applied to the elevator; the electric brake release device is mainly used for supplying power to the main machine brake coil directly through the electric brake release device when the elevator stops at a non-door area due to faults, and releases the main machine brake release switch to enable the elevator to slowly slide to the door area, so that a car door and a hall door are opened, and passengers trapped in a car are released. Therefore, in order to deal with the trouble of people in the non-door area which can occur in the elevator, the configuration of the electric brake release device becomes a conventional solution.
However, in the rescue process using the electric brake release device, some problems may occur, such as: in rescue, the host and the car are generally observed through the observation window, but under many conditions, the host and the car cannot be well observed through the observation window due to the influence of spatial positions, and at the moment, when the trapped position of the elevator is far away from the positions of an upper floor and a lower floor, if the elevator always keeps a car sliding state, the elevator speed is faster and faster, so that trapped passengers are easy to panic; therefore, the above problems need to be solved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel electric brake release system for an elevator and a use method thereof, wherein an operator can limit the speed of the elevator by manually controlling brake release according to display on a digital tube of a main board or display on a handheld operator, so that the elevator is kept in a low-speed range, and rescue safety is ensured.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention discloses a novel electric brake release system for an elevator, which is characterized in that: the brake control device comprises an electric brake release device, a frequency converter, a main board, an encoder and a host brake coil; the input end of the electric brake release device is connected with a mains supply, and the output end of the electric brake release device is respectively connected with the input end of the frequency converter and the host brake coil and respectively supplies power to the frequency converter and controls the host brake coil; the output end of the frequency converter is connected with the input end of the mainboard and supplies power to the mainboard; the output end of the mainboard is connected with the input end of the encoder and supplies power to the encoder; the output end of the encoder is connected with the mainboard and feeds back the operation information to the mainboard.
Preferably, the electric brake release device comprises a charging transformer, a lithium battery, a square wave generating circuit, a boosting transformer and a control board; the input end of the charging transformer is electrically connected with the mains supply, and the output end of the charging transformer is electrically connected with the input end of the lithium battery and charges the lithium battery; the output end of the lithium battery is electrically connected with the input end of the control panel and provides stable voltage; the output end of the control board is electrically connected with the input end of the square wave generating circuit, and the output end of the square wave generating circuit is electrically connected with the input end of the boosting transformer and outputs PWM waves; the output end of the boosting transformer is electrically connected with the input end of the frequency converter and supplies power to the frequency converter.
Preferably, the control board adopts SG3525 chip U1; a pin 15 of an SG3525 chip U1 is connected to the positive electrode of the output end of the lithium battery through a capacitor C3; a pin 13 of a SG3525 chip U1 is connected to the negative electrode of the output end of the lithium battery through a relay KD; pin 5 and pin 7 of SG3525 chip U1 are connected through resistor R2, and form a discharge circuit; pin 6 of SG3525 chip U1 is connected to one end of resistor R1; pin 5 of SG3525 chip U1 is connected to one end of capacitor C1; pin 8 of SG3525 chip U1 is connected to one end of capacitor C2; pin 9 of SG3525 chip U1 is connected to one end of capacitor C4; pin 1 and pin 12 of SG3525 chip U1 are grounded; pin 14 of SG3525 chip U1 is connected to one end of resistor R3; the other ends of the resistor R1, the capacitor C1 and the capacitor C2 are grounded.
Preferably, the square wave generating circuit comprises a MOS transistor Q1, a MOS transistor Q2, a capacitor C5, a resistor R6 and a resistor R7; a drain D of the MOS transistor Q1 is connected to one end of a capacitor C5 and the terminal 6 of the step-up transformer, respectively; the other end of the capacitor C5 is connected with one end of the resistor R7; the source S of the MOS transistor Q2 is grounded; the drain D of the MOS transistor Q2 is connected to the other end of the resistor R7 and the terminal 1 of the step-up transformer.
Preferably, the pin 1 and the pin 10 of the SG 2 chip U1, and the other ends of the resistor R1, the capacitor C1, the capacitor C2, and the capacitor C4 are connected to the gate G of the MOS transistor Q1 through a resistor R5; the other ends of a pin 1 and a pin 10 of an SG 2 chip U1, a resistor R1, a capacitor C1, a capacitor C2 and a capacitor C4 are respectively connected to a source S of a MOS transistor Q1; pin 11 of SG3525 chip U1 is connected to gate G of MOS transistor Q1 through resistor R4; the other end of the resistor R3 is connected to the gate G of the MOS transistor Q2; the other end of the resistor R3 is connected to the source S of the MOS transistor Q2 through a resistor R6.
Preferably, the lithium battery adopts a 12V/7AH lithium battery; the charging transformer adopts an EI-41 model; the type that step-up transformer adopted is EI30, and its terminal 7, terminal 10 respectively with the input of converter is connected.
Preferably, the type adopted by the frequency converter is KLA100D, and the main board is directly supplied with power through a thin flat cable.
Preferably, the main board is of a type KLA-MCD, and the encoder is directly powered by a thin flat cable.
Preferably, the encoder is of the type ERN 1387.
The invention discloses a novel using method of an electric brake release system for an elevator, which is characterized by comprising the following steps:
(1) when the commercial power is available, the relay KD is disconnected, and the AC220V commercial power charges the lithium battery;
(2) when the mains supply is powered off, the coil KD of the relay loses power, the normally closed contact is closed, and at the moment, a pin 13 and a pin 15 of a U1 chip SG3525 are bias voltage access ends, so that the circuit obtains stable voltage and works normally;
(3) a pin 5 and a pin 6 of a SG3525 chip U1 are respectively an oscillator timing capacitor access end and a resistor access end, and a capacitor C1 with a proper capacitance value and a resistor R1 with a resistance value are selected to enable the circuit to generate square waves with a certain frequency;
(4) a pin 8 of a U1 chip SG3525 is a soft start capacitor access end, and a capacitor C2 with different capacitance values is selected to adjust the duty ratio of the square wave;
(5) the pin 10 of the SG3525 chip U1 is a protection terminal, the SG3525 chip U1 has output when the low level is connected, and the SG3525 chip U1 prohibits output when the high level is connected;
(6) a pin 11 and a pin 14 of a SG3525 chip U1 are complementary output terminals, alternately output high and low levels, alternately control the on and off of a MOS transistor Q1 and a MOS transistor Q2, and output a PWM wave with stable voltage and a phase difference of 180 °;
(7) the step-up transformer steps up the PWM wave, the AC220V converted is connected to the terminal R and the terminal S of the input end of the frequency converter, and supplies power to the frequency converter;
(8) the DC5V voltage converted by the frequency converter is directly supplied to the main board, and then the main board outputs DC5V voltage to the encoder, and the encoder works normally after being electrified; then the brake coil of the main machine is opened, the main machine runs to slide, and the running information of the main machine is transmitted to the mainboard by the encoder.
The invention has the beneficial effects that: the invention overcomes the defect that the rescue has a speed blind area due to the fact that an operator cannot observe the specific state of the elevator under the condition of electric brake release rescue; the operating personnel can limit the speed of the elevator by manually controlling the brake releasing action according to the display on the digital tube of the main board or the display on the handheld operator, so that the elevator is kept in a low-speed range, and the rescue safety is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of an implementation of a novel electric brake release system for an elevator.
Fig. 2 is an electrical schematic of fig. 1.
Fig. 3 is an electrical schematic diagram of the electric brake release device in fig. 1.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
The invention discloses a novel electric brake release system for an elevator, which comprises an electric brake release device, a frequency converter, a main board, an encoder and a main machine brake-contracting coil, wherein the main machine brake-releasing device comprises a motor, a motor shaft; the specific structure is as shown in fig. 1-3, the input end of the electric brake release device is connected with the mains supply, and the output end of the electric brake release device is respectively connected with the input end of the frequency converter and the host brake coil, and respectively supplies power to the frequency converter and the control host brake coil.
The electric brake release device comprises a charging transformer, a lithium battery, a square wave generating circuit, a boosting transformer and a control panel; as shown in fig. 1 to 3, the input end of the charging transformer is electrically connected to the commercial power, and the output end thereof is electrically connected to the input end of the lithium battery, and charges the lithium battery; wherein, the lithium battery adopts a 12V/7AH lithium battery; the charging transformer adopts the model EI-41.
The output end of the lithium battery is electrically connected with the input end of the control panel and provides stable voltage; wherein, the control panel adopts SG3525 chip U1; as shown in fig. 1 to 3, a pin 15 of the SG3525 chip U1 is a bias voltage access terminal, and is connected to the positive electrode of the output terminal of the lithium battery through a capacitor C3; a pin 13 of the SG3525 chip U1 is a bias voltage access end and is connected to the negative electrode of the output end of the lithium battery through a relay KD; the capacitor C3 is used for stabilizing voltage, so that the circuit can work normally;
as shown in FIGS. 1-3, pin 6 of the SG3525 chip U1 is connected to one end of a resistor R1; pin 5 of the SG3525 chip U1 is an oscillator timing capacitor access terminal and is connected to one end of a capacitor C1; selecting a capacitor C1 with a proper capacitance value and a resistor R1 with a proper resistance value to enable the circuit to generate square waves with certain frequency; a pin 7 of the SG3525 chip U1 is an oscillator discharge end, and a discharge resistor R2 is externally connected between the pin 7 of the SG3525 chip U1 and the pin 5 of the SG3525 chip U3578 to form a discharge loop; a pin 8 of an SG3525 chip U1 is connected to one end of a soft start capacitor C2, different capacitance values are selected, and the duty ratio of square waves can be adjusted; the pin 10 of the SG3525 chip U1 is a protection terminal, the SG3525 chip U1 has output when the low level is connected, and the SG3525 chip U1 prohibits output when the high level is connected; pin 9 of SG3525 chip U1 is connected to one end of capacitor C4; pin 1 and pin 12 of SG3525 chip U1 are grounded; pin 14 of SG3525 chip U1 is connected to one end of resistor R3; the other ends of the resistor R1, the capacitor C1 and the capacitor C2 are grounded.
The output end of the control board is electrically connected with the input end of the square wave generating circuit, and the output end of the square wave generating circuit is electrically connected with the input end of the boosting transformer and outputs PWM (pulse-width modulation) waves; the type of the booster transformer is EI30, and a terminal 7 and a terminal 10 of the booster transformer are respectively connected with the input end of the frequency converter; as shown in fig. 1 to 3, the square wave generating circuit includes a MOS transistor Q1, a MOS transistor Q2, a capacitor C5, a resistor R6, and a resistor R7; the drain D of the MOS transistor Q1 is respectively connected with one end of the capacitor C5 and the terminal 6 of the step-up transformer; the other end of the capacitor C5 is connected with one end of the resistor R7; the source S of the MOS transistor Q2 is grounded; the drain D of the MOS transistor Q2 is respectively connected with the other end of the resistor R7 and the terminal 1 of the step-up transformer;
as shown in fig. 1 to 3, the other ends of the pin 1 and the pin 10 of the SG 2 chip U1, the resistor R1, the capacitor C1, the capacitor C2, and the capacitor C4 are connected to the gate G of the MOS transistor Q1 through the resistor R5; the other ends of a pin 1 and a pin 10 of an SG 2 chip U1, a resistor R1, a capacitor C1, a capacitor C2 and a capacitor C4 are respectively connected to a source S of a MOS transistor Q1; pin 11 of SG3525 chip U1 is connected to gate G of MOS transistor Q1 through resistor R4; the other end of the resistor R3 is connected to the gate G of the MOS transistor Q2; the other end of the resistor R3 is connected to the source S of the MOS transistor Q2 through a resistor R6; the resistor R7 and the capacitor C5 are used for voltage stabilization. In the invention, a pin 11 and a pin 14 of an SG3525 chip U1 are two complementary output ends, high and low levels are alternately output, the on and off of an MOS tube Q1 and an MOS tube Q2 are alternately controlled, and PWM waves with stable voltage and 180-degree phase difference are output.
The output end of the step-up transformer is electrically connected with the input end of the frequency converter and supplies power to the frequency converter; as shown in fig. 1 to 3, the type of the frequency converter is KLA100D, and the output end of the frequency converter is connected with the input end of the main board through a fine flat cable and directly supplies power to the main board; the main board is of a type KLA-MCD, and the output end of the main board is connected with the input end of the encoder through a thin flat cable and directly supplies power to the encoder; the encoder is of ERN1387 type, and the output end of the encoder is connected with the mainboard and feeds back the running information to the mainboard.
The invention discloses a use method of a novel electric brake release system for an elevator, which comprises the following steps:
(1) when the commercial power is available, the relay KD is disconnected, and the AC220V commercial power charges the lithium battery;
(2) when the mains supply is powered off, the coil KD of the relay loses power, the normally closed contact is closed, and at the moment, a pin 13 and a pin 15 of a U1 chip SG3525 are bias voltage access ends, so that the circuit obtains stable voltage and works normally;
(3) a pin 5 and a pin 6 of a SG3525 chip U1 are respectively an oscillator timing capacitor access end and a resistor access end, and a capacitor C1 with a proper capacitance value and a resistor R1 with a resistance value are selected to enable the circuit to generate square waves with a certain frequency;
(4) a pin 8 of a U1 chip SG3525 is a soft start capacitor access end, and a capacitor C2 with different capacitance values is selected to adjust the duty ratio of the square wave;
(5) the pin 10 of the SG3525 chip U1 is a protection terminal, the SG3525 chip U1 has output when the low level is connected, and the SG3525 chip U1 prohibits output when the high level is connected;
(6) a pin 11 and a pin 14 of a SG3525 chip U1 are complementary output terminals, alternately output high and low levels, alternately control the on and off of a MOS transistor Q1 and a MOS transistor Q2, and output a PWM wave with stable voltage and a phase difference of 180 °;
(7) the step-up transformer steps up the PWM wave, the AC220V converted is connected to the terminal R and the terminal S of the input end of the frequency converter, and supplies power to the frequency converter;
(8) the DC5V voltage converted by the frequency converter is directly supplied to the main board, and then the main board outputs DC5V voltage to the encoder, and the encoder works normally after being electrified; then the brake coil of the main machine is opened, the main machine runs to slide, and the running information of the main machine is transmitted to the mainboard by the encoder.
The invention has the beneficial effects that: the invention overcomes the defect that the rescue has a speed blind area due to the fact that an operator cannot observe the specific state of the elevator under the condition of electric brake release rescue; the operating personnel can limit the speed of the elevator by manually controlling the brake releasing action according to the display on the digital tube of the main board or the display on the handheld operator, so that the elevator is kept in a low-speed range, and the rescue safety is ensured.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (10)
1. The utility model provides a novel elevator is with electronic system of separating brake which characterized in that: the brake control device comprises an electric brake release device, a frequency converter, a main board, an encoder and a host brake coil; the input end of the electric brake release device is connected with a mains supply, and the output end of the electric brake release device is respectively connected with the input end of the frequency converter and the host brake coil and respectively supplies power to the frequency converter and controls the host brake coil; the output end of the frequency converter is connected with the input end of the mainboard and supplies power to the mainboard; the output end of the mainboard is connected with the input end of the encoder and supplies power to the encoder; the output end of the encoder is connected with the mainboard and feeds back the operation information to the mainboard.
2. The novel electric brake release system for the elevator as claimed in claim 1, wherein: the electric brake release device comprises a charging transformer, a lithium battery, a square wave generating circuit, a boosting transformer and a control panel; the input end of the charging transformer is electrically connected with the mains supply, and the output end of the charging transformer is electrically connected with the input end of the lithium battery and charges the lithium battery; the output end of the lithium battery is electrically connected with the input end of the control panel and provides stable voltage; the output end of the control board is electrically connected with the input end of the square wave generating circuit, and the output end of the square wave generating circuit is electrically connected with the input end of the boosting transformer and outputs PWM waves; the output end of the boosting transformer is electrically connected with the input end of the frequency converter and supplies power to the frequency converter.
3. The novel electric brake release system for the elevator as claimed in claim 2, wherein: the control board adopts SG3525 chip U1; a pin 15 of an SG3525 chip U1 is connected to the positive electrode of the output end of the lithium battery through a capacitor C3; a pin 13 of a SG3525 chip U1 is connected to the negative electrode of the output end of the lithium battery through a relay KD; pin 5 and pin 7 of SG3525 chip U1 are connected through resistor R2, and form a discharge circuit; pin 6 of SG3525 chip U1 is connected to one end of resistor R1; pin 5 of SG3525 chip U1 is connected to one end of capacitor C1; pin 8 of SG3525 chip U1 is connected to one end of capacitor C2; pin 9 of SG3525 chip U1 is connected to one end of capacitor C4; pin 1 and pin 12 of SG3525 chip U1 are grounded; pin 14 of SG3525 chip U1 is connected to one end of resistor R3; the other ends of the resistor R1, the capacitor C1 and the capacitor C2 are grounded.
4. The novel electric brake release system for the elevator as claimed in claim 3, wherein: the square wave generating circuit comprises a MOS tube Q1, a MOS tube Q2, a capacitor C5, a resistor R6 and a resistor R7; a drain D of the MOS transistor Q1 is connected to one end of a capacitor C5 and the terminal 6 of the step-up transformer, respectively; the other end of the capacitor C5 is connected with one end of the resistor R7; the source S of the MOS transistor Q2 is grounded; the drain D of the MOS transistor Q2 is connected to the other end of the resistor R7 and the terminal 1 of the step-up transformer.
5. The novel electric brake release system for the elevator as claimed in claim 4, wherein: the other ends of a pin 1 and a pin 10 of an SG 2 chip U1, a resistor R1, a capacitor C1, a capacitor C2 and a capacitor C4 are respectively connected to a gate G of a MOS transistor Q1 through a resistor R5; the other ends of a pin 1 and a pin 10 of an SG 2 chip U1, a resistor R1, a capacitor C1, a capacitor C2 and a capacitor C4 are respectively connected to a source S of a MOS transistor Q1; pin 11 of SG3525 chip U1 is connected to gate G of MOS transistor Q1 through resistor R4; the other end of the resistor R3 is connected to the gate G of the MOS transistor Q2; the other end of the resistor R3 is connected to the source S of the MOS transistor Q2 through a resistor R6.
6. The novel electric brake release system for the elevator as claimed in claim 2, wherein: the lithium battery adopts a 12V/7AH lithium battery; the charging transformer adopts an EI-41 model; the type that step-up transformer adopted is EI30, and its terminal 7, terminal 10 respectively with the input of converter is connected.
7. The novel electric brake release system for the elevator as claimed in claim 1, wherein: the type that the converter adopted is KLA100D, and through the direct power supply of thin winding displacement for the mainboard.
8. The novel electric brake release system for the elevator as claimed in claim 1, wherein: the main board is of a type KLA-MCD, and directly supplies power to the encoder through a thin flat cable.
9. The novel electric brake release system for the elevator as claimed in claim 1, wherein: the encoder is of the type ERN 1387.
10. A novel using method of an electric brake release system for an elevator is characterized by comprising the following steps:
(1) when the commercial power is available, the relay KD is disconnected, and the AC220V commercial power charges the lithium battery;
(2) when the mains supply is powered off, the coil KD of the relay loses power, the normally closed contact is closed, and at the moment, a pin 13 and a pin 15 of a U1 chip SG3525 are bias voltage access ends, so that the circuit obtains stable voltage and works normally;
(3) a pin 5 and a pin 6 of a SG3525 chip U1 are respectively an oscillator timing capacitor access end and a resistor access end, and a capacitor C1 with a proper capacitance value and a resistor R1 with a resistance value are selected to enable the circuit to generate square waves with a certain frequency;
(4) a pin 8 of a U1 chip SG3525 is a soft start capacitor access end, and a capacitor C2 with different capacitance values is selected to adjust the duty ratio of the square wave;
(5) the pin 10 of the SG3525 chip U1 is a protection terminal, the SG3525 chip U1 has output when the low level is connected, and the SG3525 chip U1 prohibits output when the high level is connected;
(6) a pin 11 and a pin 14 of a SG3525 chip U1 are complementary output terminals, alternately output high and low levels, alternately control the on and off of a MOS transistor Q1 and a MOS transistor Q2, and output a PWM wave with stable voltage and a phase difference of 180 °;
(7) the step-up transformer steps up the PWM wave, the AC220V converted is connected to the terminal R and the terminal S of the input end of the frequency converter, and supplies power to the frequency converter;
(8) the DC5V voltage converted by the frequency converter is directly supplied to the main board, and then the main board outputs DC5V voltage to the encoder, and the encoder works normally after being electrified; then the brake coil of the main machine is opened, the main machine runs to slide, and the running information of the main machine is transmitted to the mainboard by the encoder.
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| CN202010376074.0A CN111547594B (en) | 2020-05-07 | 2020-05-07 | Novel electric brake release system for elevator and application method thereof |
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| CN202010376074.0A CN111547594B (en) | 2020-05-07 | 2020-05-07 | Novel electric brake release system for elevator and application method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491143A (en) * | 2011-12-23 | 2012-06-13 | 昆山京都电梯有限公司 | Electric brake releasing device of elevator without machine room |
| CN104961015A (en) * | 2015-07-06 | 2015-10-07 | 康力电梯股份有限公司 | Elevator electric brake-releasing circuit |
| CN205602890U (en) * | 2016-05-06 | 2016-09-28 | 西继迅达（许昌）电梯有限公司 | No computer lab elevator rescue device that declutches |
| CN106516929A (en) * | 2015-09-10 | 2017-03-22 | 上海华程电梯技术有限公司 | Safe and controllable elevator brake releasing system |
| CN106829673A (en) * | 2017-04-07 | 2017-06-13 | 上海爱登堡电梯集团股份有限公司 | Machine-roomless lift with emergency rescue apparatus |
| CN207418071U (en) * | 2017-11-22 | 2018-05-29 | 怡达快速电梯有限公司 | A kind of electric brake releasing device |
| WO2019223646A1 (en) * | 2018-05-21 | 2019-11-28 | 浙江正泰电器股份有限公司 | Frequency converter |
| CN212668898U (en) * | 2020-05-07 | 2021-03-09 | 康力电梯股份有限公司 | Novel elevator electric brake release system |
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2020
- 2020-05-07 CN CN202010376074.0A patent/CN111547594B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491143A (en) * | 2011-12-23 | 2012-06-13 | 昆山京都电梯有限公司 | Electric brake releasing device of elevator without machine room |
| CN104961015A (en) * | 2015-07-06 | 2015-10-07 | 康力电梯股份有限公司 | Elevator electric brake-releasing circuit |
| CN106516929A (en) * | 2015-09-10 | 2017-03-22 | 上海华程电梯技术有限公司 | Safe and controllable elevator brake releasing system |
| CN205602890U (en) * | 2016-05-06 | 2016-09-28 | 西继迅达（许昌）电梯有限公司 | No computer lab elevator rescue device that declutches |
| CN106829673A (en) * | 2017-04-07 | 2017-06-13 | 上海爱登堡电梯集团股份有限公司 | Machine-roomless lift with emergency rescue apparatus |
| CN207418071U (en) * | 2017-11-22 | 2018-05-29 | 怡达快速电梯有限公司 | A kind of electric brake releasing device |
| WO2019223646A1 (en) * | 2018-05-21 | 2019-11-28 | 浙江正泰电器股份有限公司 | Frequency converter |
| CN212668898U (en) * | 2020-05-07 | 2021-03-09 | 康力电梯股份有限公司 | Novel elevator electric brake release system |
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| Publication number | Publication date |
|---|---|
| CN111547594B (en) | 2024-05-07 |
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