阅读说明：本技术 一种电动压紧锁闭装置、及其控制系统和控制方法 (Electric pressing locking device, and control system and control method thereof ) 是由 濮建荣 缪秀祥 贡智兵 曾世文 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种电动压紧锁闭装置、及其控制系统和控制方法,包括锁体,以及固定安装在锁体上的驱动机构、传动机构和锁闭及解锁机构,驱动结构与传动机构连接,传动机构输出与锁闭及解锁机构连接,锁闭及解锁机构与驱动机构连接,锁体固定安装在待锁闭装置的相应位置；驱动机构用于输出驱动力；传动机构在驱动机构的驱动作用下将驱动力传递给锁闭及解锁机构；锁闭及解锁机构在驱动力的作用下实现锁闭及解锁功能。本发明可以避免车辆运营过程中电机轴受力,提高电机可靠性,保证门系统气密性及安全性。具有电动锁闭和解锁的功能,同时设置了复位弹簧,断电情况下,制动装置能够自动释放,从而避免紧急情况下门系统无法打开的情况。(The invention discloses an electric compression locking device, a control system and a control method thereof, wherein the electric compression locking device comprises a lock body, a driving mechanism, a transmission mechanism and a locking and unlocking mechanism, wherein the driving mechanism, the transmission mechanism and the locking and unlocking mechanism are fixedly arranged on the lock body; the driving mechanism is used for outputting driving force; the transmission mechanism transmits the driving force to the locking and unlocking mechanism under the driving action of the driving mechanism; the locking and unlocking mechanism realizes the locking and unlocking functions under the action of driving force. The invention can avoid the stress of the motor shaft in the vehicle operation process, improve the reliability of the motor and ensure the air tightness and safety of the door system. The electric door locking and unlocking device has the functions of electric locking and unlocking, and the reset spring is arranged, so that the brake device can be automatically released under the power-off condition, and the condition that the door system cannot be opened under the emergency condition is avoided.)

1. The utility model provides an electronic locking device that compresses tightly, its characterized in that includes the lock body to and actuating mechanism, drive mechanism and locking and release mechanism of fixed mounting on the lock body, drive mechanism is connected with drive mechanism, and drive mechanism output is connected with locking and release mechanism, and simultaneously, locking and release mechanism are connected with actuating mechanism, wherein:

the lock body is fixedly arranged at the corresponding position of the device to be locked;

the driving mechanism is used for outputting driving force;

the transmission mechanism transmits driving force to the locking and unlocking mechanism under the driving action of the driving mechanism;

and the locking and unlocking mechanism realizes the locking and unlocking functions under the action of driving force.

2. The motorized compression locking apparatus of claim 1, wherein the drive mechanism is a motor.

3. The electric pressing locking device of claim 1, wherein the transmission mechanism is a three-stage gear mechanism, wherein the first stage gear mechanism is connected with the driving mechanism and transmits the driving force to the second stage gear mechanism, the second stage gear mechanism transmits the driving force to the third stage gear mechanism, and the third stage gear mechanism drives the locking and unlocking mechanism to realize the locking and unlocking functions.

4. The electric compression locking device of claim 3, wherein the first stage gear mechanism comprises a stage i pinion and a stage i bull gear, the second stage gear mechanism comprises a stage ii pinion and a stage ii bull gear, and the third stage gear mechanism comprises a stage iii pinion; wherein, I level pinion installs on actuating mechanism output shaft to with I level gear wheel meshing, II level pinions and I level gear wheel coaxial arrangement, and with II level gear wheel meshing, III level pinions and II level gear wheel coaxial arrangement, and III level pinions and locking and unlocking device meshing are connected.

5. The electric pressing locking device as claimed in claim 1, wherein the locking and unlocking mechanism comprises a latch, a cam, an in-place switch and an electromagnetic brake, wherein the latch is engaged with the transmission mechanism, the cam is coaxially arranged with the latch, the in-place switch is arranged in the track direction of the cam stroke and is used for detecting the in-place signal of the cam, and the electromagnetic brake and the I-stage pinion are coaxially arranged on the output shaft of the driving mechanism.

6. An electrically operated compression locking device as claimed in claim 5 wherein the locking and unlocking mechanism further comprises a return spring coaxially disposed with the first gear wheel, the return spring having one end fixed to the lock body and the other end fixed to the end of the second pinion remote from the first gear wheel.

7. Use of an electric compression locking device according to any of claims 1-6 for a rail transit door system.

8. A control system for an electric compression locking device, characterized in that the control system comprises an electric compression locking device according to any one of claims 1-6 and a controller for controlling the electromagnetic brakes of the drive mechanism and the locking and unlocking mechanism.

9. A control method for the control system of claim 8, comprising electric locking and electric unlocking, wherein:

when the electric pressing locking device receives a pressing instruction of the controller during electric locking, the motor rotates towards the pressing direction, the spring bolt is driven to press the lock catch through three-level gear transmission, the cam is further driven to rotate, the in-place switch detects an in-place signal of the cam after the spring bolt is pressed in place and transmits the in-place signal to the controller, the controller energizes the electromagnetic brake, the electromagnetic brake is attracted, meanwhile, the controller controls the motor to be powered off, and the electromagnetic brake keeps the spring bolt of the electric pressing locking device to be pressed and locked with the lock catch;

during electric unlocking, after the electric pressing locking device receives a door opening signal, the electromagnetic brake is powered off, the electromagnetic brake is released, the motor is controlled by the controller to rotate reversely or rotate reversely under the action of the reset spring, the lock tongue is driven by the three-stage gear transmission to withdraw from the lock catch, the cam is driven to rotate in the opposite direction, and meanwhile, the in-place switch cannot detect the in-place signal of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is realized.

10. A control method according to claim 9, characterized in that the control method further comprises an emergency unlocking, in particular: when emergency evacuation is needed, the emergency unlocking device is operated, the controller forcibly enables the electromagnetic brake to be powered off and released after detecting an emergency unlocking switch signal, the lock tongue is driven to withdraw from the lock catch through three-level gear transmission under the action of the reset spring, the cam is driven to rotate in the opposite direction, and meanwhile the in-place switch cannot detect an in-place signal of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is achieved.

Technical Field

The invention relates to a rail transit train door system, in particular to an electric compression locking device, a control system and a control method thereof.

Background

In the case of a train with a speed higher than 160km/h, in order to improve the comfort of the train, certain requirements on air tightness and safety performance are required, and an auxiliary locking device is required to compress the door leaf. The existing pneumatic auxiliary lock mainly uses a single-action cylinder as a driving device, has great dependence on an air source, and requires that a vehicle body must provide the air source meeting the use requirement.

Compared with a high-speed railway vehicle, the inter-city motor train unit train has no air source supply. The use of a pneumatically assisted lock requires a separate air supply for the door system, which results in a lot of extra energy consumption for the vehicle.

Disclosure of Invention

The purpose of the invention is as follows: in order to solve the defects of the prior art, one of the purposes of the invention is to provide an electric compression locking device, which takes a motor as a power source to replace the existing compression locking device taking an air source as power, realizes the door leaf compression function and ensures the air tightness and safety of a door system; the second purpose is to provide a control system of the electric pressing locking device, and the third purpose is to provide a control method of the control system of the electric pressing locking device.

The technical scheme is as follows: in order to realize the purpose, the invention adopts the following technical scheme:

the utility model provides an electronic locking device that compresses tightly, includes the lock body to and actuating mechanism, drive mechanism and locking and the release mechanism of fixed mounting on the lock body, drive structure is connected with drive mechanism, and drive mechanism output is connected with locking and release mechanism, and simultaneously, locking and release mechanism are connected with actuating mechanism, wherein:

the lock body is fixedly arranged at the corresponding position of the device to be locked; play a role in supporting and fixing.

The driving mechanism is used for outputting driving force;

the transmission mechanism transmits driving force to the locking and unlocking mechanism under the driving action of the driving mechanism;

and the locking and unlocking mechanism realizes the locking and unlocking functions under the action of driving force.

The lock body plays a role in supporting and fixing, the driving mechanism provides driving force for the transmission mechanism, and the transmission mechanism further transmits the driving force to the locking and unlocking mechanism.

Optionally, the drive mechanism is a motor. The motor is used as a power source to replace the existing pressing and locking device which takes an air source as power, so that the door leaf pressing function is realized, and the air tightness and the safety of the door system are ensured.

Optionally, the transmission mechanism is a three-stage gear mechanism, wherein the first-stage gear mechanism is connected with the driving mechanism and transmits the driving force to the second-stage gear mechanism, the second-stage gear mechanism transmits the driving force to the third-stage gear mechanism, and the third-stage gear mechanism drives the locking and unlocking mechanism to realize the locking and unlocking functions. The transmission between parallel shafts is realized between all levels of gear mechanisms, and the transmission mechanism has the characteristics of high transmission efficiency, large transmission power and the like.

Furthermore, the first-stage gear mechanism comprises a first-stage pinion and a first-stage gearwheel, the second-stage gear mechanism comprises a second-stage pinion and a second-stage gearwheel, and the third-stage gear mechanism comprises a third-stage pinion; wherein, I level pinion installs on actuating mechanism output shaft to with I level gear wheel meshing, II level pinions and I level gear wheel coaxial arrangement, and with II level gear wheel meshing, III level pinions and II level gear wheel coaxial arrangement, and III level pinions and locking and unlocking device meshing are connected. Wherein, realize between each meshing gear that parallel axis sets up actuating mechanism and give I level pinion with drive power transmission, I level pinion is through with I level gear wheel meshing with drive power transmission for I level gear wheel, I level gear wheel transmits drive power for the II level pinion of coaxial setting through the pivot, II level pinion is through transmitting drive power for II level gear wheel with II level gear wheel meshing, II level gear wheel further transmits drive power for the III level pinion of coaxial setting through the pivot, III level pinion is through meshing with locking and unlocking device with drive power transmission for locking and unlocking device.

Optionally, the locking and unlocking mechanism comprises a lock tongue, a cam, an in-place switch and an electromagnetic brake, wherein the lock tongue is meshed with the transmission mechanism, the cam and the lock tongue are coaxially arranged, the in-place switch is installed in the track direction of the cam stroke and used for detecting in-place signals of the cam, and the electromagnetic brake and the I-level pinion are coaxially arranged on the output shaft of the driving mechanism. The sector gear on the lock tongue is meshed with a III-level pinion of the transmission mechanism, transmission force output by transmission of the transmission mechanism is transmitted to the cam which is coaxially arranged through the rotating shaft, the rotating shaft drives the cam to move on a stroke track of the cam, when the cam moves to a certain distance away from the in-place switch, the in-place switch detects an in-place signal of the cam and sends the in-place signal to the controller, the controller sends an instruction to the electromagnetic brake, the electromagnetic brake is electrified and closed, the motor is powered off, and the electromagnetic brake keeps the lock tongue in a pressing state.

Optionally, the locking and unlocking mechanism further comprises a return spring, the return spring and the I-level gearwheel are coaxially arranged, one end of the return spring is fixed on the lock body, and the other end of the return spring is fixed at one end of the II-level pinion far away from the I-level gearwheel. The reset spring can be used during electric unlocking, at the moment, the electromagnetic brake is released after power failure, and the motor can rotate reversely under the action of the reset spring to realize unlocking; simultaneously, this reset spring can also use under emergency, and at this moment, the motor outage, electromagnetic braking ware outage release, I level gear wheel reverses under the reset spring effect and drives II level pinion, II level gear wheel and III level pinion rotation, and III level pinion rotates and drives rather than the spring bolt rotation of the joggled sector tooth of taking to withdraw from the hasp, realize the unblock.

The invention also provides application of the electric compression locking device, and the electric compression locking device is used for a rail transit door system. The device can realize that the door leaf compresses tightly the function, guarantees door system gas tightness and security.

In another embodiment of the present invention, a control system for an electric compression locking device includes any one of the electric compression locking devices described above and a controller for controlling the driving mechanism and the electromagnetic brake of the locking and unlocking mechanism.

In another embodiment of the present invention, a control method for the control system includes an electric locking and an electric unlocking, wherein:

when the electric pressing locking device receives a pressing instruction of the controller during electric locking, the motor rotates towards the pressing direction, the spring bolt is driven to press the lock catch through three-level gear transmission, the cam is further driven to rotate, the in-place switch detects an in-place signal of the cam after the spring bolt is pressed in place and transmits the in-place signal to the controller, the controller energizes the electromagnetic brake, the electromagnetic brake is attracted, meanwhile, the controller controls the motor to be powered off, and the electromagnetic brake keeps the spring bolt of the electric pressing locking device to be pressed and locked with the lock catch;

during electric unlocking, after the electric pressing locking device receives a door opening signal, the electromagnetic brake is powered off, the electromagnetic brake is released, the motor is controlled by the controller to rotate reversely or rotate reversely under the action of the reset spring, the lock tongue is driven by the three-stage gear transmission to withdraw from the lock catch, the cam is driven to rotate in the opposite direction, and meanwhile, the in-place switch cannot detect the in-place signal of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is realized.

Further, the control method further comprises emergency unlocking, specifically: when emergency evacuation is needed, the emergency unlocking device is operated, the controller forcibly enables the electromagnetic brake to be powered off and released after detecting an emergency unlocking switch signal, the lock tongue is driven to withdraw from the lock catch through three-level gear transmission under the action of the reset spring, the cam is driven to rotate in the opposite direction, and meanwhile the in-place switch cannot detect an in-place signal of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is achieved.

Has the advantages that: compared with the prior art, the invention has the following advantages:

the electric pressing locking device described by the invention has the advantages that the electromagnetic brake is arranged on the gear coaxial with the motor output shaft, the stress on the motor shaft in the vehicle operation process is avoided, and the motor reliability is improved.

The electric compression locking device has the functions of electric locking and unlocking. Meanwhile, the electric compression locking device is provided with the return spring, and the braking device can be automatically released in the case of power failure, so that the situation that the door system cannot be opened in an emergency is avoided.

The device of the invention takes the motor as a power source to replace the existing pressing and locking device taking an air source as power, thereby realizing the pressing function of the door leaf and ensuring the air tightness and safety of the door system.

Drawings

FIG. 1 is a schematic view of an electric compression locking device;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 2;

in the figure: the lock comprises a lock body 1, a motor 2, a I-level pinion 3, an electromagnetic brake 4, an I-level bull gear 5, a return spring 6, an in-place switch 7, a cam 8, a III-level pinion 9, a bolt 10, a II-level bull gear 11, a II-level pinion 12 and a lock catch 13 (the lock catch is independently arranged on a door leaf).

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

The utility model provides an electronic locking device that compresses tightly, includes the lock body to and actuating mechanism, drive mechanism and locking and the release mechanism of fixed mounting on the lock body, drive structure is connected with drive mechanism, and drive mechanism output is connected with locking and release mechanism, and simultaneously, locking and release mechanism are connected with actuating mechanism, wherein: the lock body is fixedly arranged at the corresponding position of the device to be locked; the driving mechanism is used for outputting driving force; the transmission mechanism transmits driving force to the locking and unlocking mechanism under the driving action of the driving mechanism; and the locking and unlocking mechanism realizes the locking and unlocking functions under the action of driving force.

The electric compression locking device can be used for a rail transit door system, realizes the door leaf compression function, and ensures the air tightness and safety of the door system.

As shown in fig. 1 to 3, in the present embodiment, the driving mechanism is a motor 2, and the motor is used as a power source to replace an existing pressing and locking device using an air source as power, so as to achieve a door leaf pressing function and ensure the air tightness and safety of a door system; the transmission mechanism adopts a three-stage gear mechanism, the first-stage gear mechanism comprises a first-stage pinion 3 and a first-stage bull gear 5, the second-stage gear mechanism comprises a second-stage pinion 12 and a second-stage bull gear 11, and the third-stage gear mechanism comprises a third-stage pinion 9; the locking and unlocking mechanism comprises a bolt 10, a cam 8, an in-place switch 7, an electromagnetic brake 4 and a return spring 6; all the parts are installed on the lock body 1, the electric compression locking device is fixedly installed on the corresponding position of the door system through the installation hole of the lock body 1 by using a screw, and the lock catch 13 (which is installed on the door leaf separately) is installed on the corresponding position of the door system. As shown in fig. 1 and fig. 2, a motor 2 is fixedly mounted on a lock body 1, an output shaft of the motor 2 is coaxially mounted with a stage I pinion 3, and the stage I pinion 3 is coaxially mounted with an electromagnetic brake 4; the I-stage large gear 3 is arranged on a shaft parallel to an output shaft of the motor 2 and is meshed with the I-stage small gear 3; the reset spring 6 and the I-level gearwheel 5 are coaxially arranged, one end of the reset spring 6 is fixed on the lock body 1, and the other end of the reset spring is connected with the I-level gearwheel 5; the II-stage pinion 12 and the I-stage gearwheel 5 are coaxially arranged and are positioned at one end far away from the return spring 6; the II-stage bull gear 11 is arranged on a shaft parallel to the axis of the II-stage pinion gear 12 and meshed with the II-stage pinion gear 12; the III-level pinion 9 and the II-level gearwheel 11 are coaxially arranged, the bolt 10 is arranged on a shaft parallel to the axis of the III-level pinion 9, and sector teeth on the bolt 10 are meshed with the III-level pinion 9; a cam 8 is coaxially arranged on the shaft of the lock tongue 10, and a position switch 7 is arranged in the moving stroke track direction of the cam 8.

The working principle is as follows:

the electric pressing locking device is driven by a motor 2 to output power, a lock tongue 10 is driven by three-level gear transmission to press a lock catch 13 on a door leaf, a cam 8 coaxial with the lock tongue rotates to a locking position (a solid line outline in figure 3) from an unlocking position (a dotted line outline in figure 3), an in-place switch 7 is triggered, the in-place switch 7 transmits a locking signal to a controller after detecting the locking signal, the controller controls an electromagnetic brake 4 coaxially arranged with an I-level pinion 3 to be electrified, and the electromagnetic brake 4 is attracted; meanwhile, the controller controls the motor 2 to be powered off, and the electromagnetic brake 4 keeps the electric pressing and locking device in a pressing state, so that the pressing and locking functions of the vehicle door are realized. The I-level gearwheel 5 is coaxially provided with a return spring 6, when the electromagnetic brake 4 is released, the motor can rotate in an electric reverse mode under the action of the controller or in a reverse mode under the action of the return spring 6, the lock tongue is driven to withdraw from the lock catch through three-level gear transmission, the cam is driven to rotate in the opposite direction, and meanwhile the in-place switch cannot detect in-place signals of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is achieved.

The electric pressing locking device is also provided with a controller which is used for controlling a driving mechanism (a motor) and an electromagnetic brake of a locking and unlocking mechanism.

In addition, the device also comprises an emergency unlocking device which is arranged on the vehicle and is used for opening the door in an emergency when the door cannot be opened electrically. The difference between the emergency unlocking and the ordinary electric unlocking is that: the common electric unlocking is realized by actively controlling the electromagnetic brake to release by the controller and reversely rotating the motor; and in emergency unlocking, when the door cannot be unlocked electrically and opened under the condition of emergency evacuation, an operator can operate the emergency unlocking device, the controller forcibly releases the electromagnetic brake after detecting an emergency unlocking switch signal, at the moment, the motor is not electrified, and the reset spring enables the three-stage transmission mechanism to reversely rotate to drive the lock tongue to withdraw from the lock catch, so that unlocking is realized.

A method for controlling a control system with an electric compression locking device, comprising electric locking and electric unlocking, wherein:

when the electric pressing locking device receives a pressing instruction of the controller during electric locking, the motor rotates towards the pressing direction, the spring bolt is driven to press the lock catch through three-level gear transmission, the cam is further driven to rotate, the in-place switch detects an in-place signal of the cam after the spring bolt is pressed in place and transmits the in-place signal to the controller, the controller energizes the electromagnetic brake, the electromagnetic brake is attracted, meanwhile, the controller controls the motor to be powered off, and the electromagnetic brake keeps the spring bolt of the electric pressing locking device to be pressed and locked with the lock catch;

during electric unlocking, after the electric pressing locking device receives a door opening signal, the electromagnetic brake is powered off, the electromagnetic brake is released, the motor is controlled by the controller to rotate reversely or rotate reversely under the action of the reset spring, the lock tongue is driven by the three-stage gear transmission to withdraw from the lock catch, the cam is driven to rotate in the opposite direction, and meanwhile, the in-place switch cannot detect the in-place signal of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is realized.

The control method further comprises emergency unlocking, and specifically comprises the following steps:

when emergency evacuation is needed, an operator operates the emergency unlocking device, the controller forcibly enables the electromagnetic brake to be powered off and released after detecting an emergency unlocking switch signal, and the motor is not powered on at the moment; under the action of a return spring, the lock tongue is driven to withdraw from the lock catch through three-level gear transmission, so that the cam is driven to rotate in the opposite direction, and meanwhile, the in-place switch cannot detect an in-place signal of the cam, so that the electromagnetic brake is kept in a power-off state, and unlocking is realized.

When the whole door system is powered off, the electromagnetic brake 4 is automatically powered off and released, and the electric pressing locking device is unlocked under the action of the return spring.