CN212668898U - Novel elevator electric brake release system - Google Patents
Novel elevator electric brake release system Download PDFInfo
- Publication number
- CN212668898U CN212668898U CN202020730012.0U CN202020730012U CN212668898U CN 212668898 U CN212668898 U CN 212668898U CN 202020730012 U CN202020730012 U CN 202020730012U CN 212668898 U CN212668898 U CN 212668898U
- Authority
- CN
- China
- Prior art keywords
- pin
- capacitor
- resistor
- chip
- brake release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model 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; 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. The utility model discloses operating personnel can be according to the demonstration on the display or the handheld operation ware on the mainboard charactron, restricts elevator speed through manual control brake release action, makes the elevator keep at the low-speed within range to the safety of rescue has been guaranteed.
Description
Technical Field
The utility model relates to an elevator technical field, concretely relates to novel elevator with electronic system of separating brake.
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 to-be-solved technical problem of the utility model is to provide a novel elevator with electronic system of separating brake, operating personnel can restrict elevator speed through manual control separating brake action according to the demonstration on the mainboard charactron or the demonstration on the handheld operation ware to the safety of rescue has been guaranteed.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a novel elevator with electronic system of separating brake, its innovation point lies in: 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 utility model has the advantages that: the utility model overcomes the defect that the speed blind area occurs in rescue because the operator can not 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 will be 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 to obtain other drawings without creative efforts.
Fig. 1 is a block diagram of the novel electric brake release system for 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 described clearly and completely through the following detailed description.
The utility model discloses a novel electric brake release system for elevator, which comprises an electric brake release device, a frequency converter, a main board, an encoder and a main machine brake-contracting coil; 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 utility model discloses an electric brake release device, which comprises a charging transformer, a lithium battery, a square wave generating circuit, a step-up 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 panel of the utility model 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 step-up transformer and outputs PWM 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. The utility model discloses well SG3525 chip U1's pin 11, pin 14 are two complementary outputs, the high-low level of output in turn, and switching on and closing of control MOS pipe Q1 and MOS pipe Q2 in turn to output voltage is stable and the phase difference is 180 PWM ripples.
The output end of the boosting transformer of the utility model 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 utility model discloses a novel elevator use electric brake release system's application method, including following step:
(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 utility model has the advantages that: the utility model overcomes the defect that the speed blind area occurs in rescue because the operator can not 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 only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (9)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730012.0U CN212668898U (en) | 2020-05-07 | 2020-05-07 | Novel elevator electric brake release system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730012.0U CN212668898U (en) | 2020-05-07 | 2020-05-07 | Novel elevator electric brake release system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212668898U true CN212668898U (en) | 2021-03-09 |
Family
ID=74814822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020730012.0U Active CN212668898U (en) | 2020-05-07 | 2020-05-07 | Novel elevator electric brake release system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212668898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547594A (en) * | 2020-05-07 | 2020-08-18 | 康力电梯股份有限公司 | Novel electric brake releasing system for elevator and using method thereof |
-
2020
- 2020-05-07 CN CN202020730012.0U patent/CN212668898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547594A (en) * | 2020-05-07 | 2020-08-18 | 康力电梯股份有限公司 | Novel electric brake releasing system for elevator and using method thereof |
| CN111547594B (en) * | 2020-05-07 | 2024-05-07 | 康力电梯股份有限公司 | Novel electric brake release system for elevator and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100553399C (en) | Single-stage backlight inverter and driving method thereof | |
| JP2010104120A (en) | Power supply apparatus and work machine | |
| CN102882239A (en) | Battery charging apparatus with a common control loop for a low drop-out voltage regulator and a boost regulator | |
| CN103745883A (en) | Combined type arc-free alternating-current (AC) contactor with function of thyristor fault diagnosis | |
| CN212668898U (en) | Novel elevator electric brake release system | |
| CN109428483A (en) | Electric control appliance | |
| CN108231014A (en) | A kind of local dimming constant-current control circuit, driving power and television set | |
| CN105226974A (en) | For the supply unit of elevator internal contracting brake coil | |
| CN111232776A (en) | Band-type brake control device and method for slope starting of output voltage | |
| WO2024027555A1 (en) | Power supply circuit, display screen, and electronic device | |
| CN2870287Y (en) | PWM switch power-supply upper-down electric control circuit and PWM switch power-supply system | |
| CN208904873U (en) | A kind of compensation circuit of input voltage sampling | |
| CN111547594B (en) | Novel electric brake release system for elevator and application method thereof | |
| CN201234391Y (en) | Power saving device for lighting | |
| CN203159114U (en) | Driving power circuit for electromagnetic brake | |
| CN209448499U (en) | A kind of secondary power system and photovoltaic inverting system of photovoltaic inverting system | |
| CN205092770U (en) | Power management circuit that steps up | |
| JPH07222439A (en) | Dc-dc converter | |
| CN207733019U (en) | Switching power supply and LED drive circuit | |
| CN205160399U (en) | A power supply unit for elevator band -type brake coil | |
| CN211127113U (en) | Protection circuit of slow start circuit and power electronic equipment | |
| CN113075514A (en) | Interpolar withstand voltage test circuit of automatic discharge thin-film capacitor | |
| CN206195642U (en) | Elevator brake power | |
| CN207603450U (en) | The control circuit and switching circuit of Switching Power Supply | |
| CN203206112U (en) | Vehicle voltage-stabilizing circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |