CN216105421U - Safety module for elevator contactor-free control - Google Patents
Safety module for elevator contactor-free control Download PDFInfo
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- CN216105421U CN216105421U CN202122182150.7U CN202122182150U CN216105421U CN 216105421 U CN216105421 U CN 216105421U CN 202122182150 U CN202122182150 U CN 202122182150U CN 216105421 U CN216105421 U CN 216105421U
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Abstract
The utility model relates to a safety module for controlling an elevator without a contactor, which relates to the field of elevators, and comprises an elevator body, wherein a fixed circuit board is arranged in the elevator body, an electric safety component is fixedly arranged in the fixed circuit board, a safety torque canceling module is arranged on the left side of the electric safety component, a safety braking control module is arranged on the right side of the electric safety component, and the safety braking control module and the safety torque canceling module are both fixedly arranged on the fixed circuit board. The service life of the elevator is greatly prolonged.
Description
Technical Field
The utility model relates to the field of elevators, in particular to a safety module for contactor-free control of an elevator.
Background
With the development of economy and the advancement of science and technology, the living standard of people is also gradually improved, an elevator becomes an essential part in human life, meanwhile, the requirement on the safety of the elevator is higher and higher, the elevator control technology is changing day by day, one development direction is the electronization of mechanical parts, a contactor is a key part of an elevator control system and a protection part of the safety of the elevator, but the application of the contactor has the defects brought by the characteristics of the contactor, so that the direction of the contactor-free elevator control technology is provided, and the contactor-free elevator can solve many problems of the current traditional elevator which is limited by the contactor, including: a) the volume of the elevator is too large; b) the failure rate of the elevator is high; c) short service life of the elevator and the like.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a safety module for contactor-free control of an elevator, so as to solve the problems mentioned in the background art.
The technical problem to be solved by the utility model is realized by adopting the following technical scheme:
a safety module for contactor-free control of an elevator comprises an elevator body, wherein a fixed circuit board is arranged in the elevator body, an electrical safety component is fixedly arranged in the fixed circuit board, a safety torque canceling module is arranged on the left side of the electrical safety component, a safety brake control module is arranged on the right side of the electrical safety component, the safety brake control module and the safety torque canceling module are both fixedly arranged on the fixed circuit board, a programmable electronic component is arranged on the lower side of the electrical safety component, a monitoring component is arranged on the fixed circuit board, an elevator power supply is arranged in the elevator machine body, the elevator power supply is electrically connected with the fixed circuit board, an elevator motor and an elevator brake are arranged in the elevator machine body, and the elevator power supply is electrically connected with the elevator motor and the elevator brake.
Preferably, the programmable electronic component comprises a programmable electric board fixedly mounted on the fixed circuit board, the left end face of the programmable electric board is in communication connection with an input interface a/D converter, the left end face of the input interface a/D converter is connected with an input device, the right end face of the programmable electric board is in communication connection with an output interface a/D converter, the right end face of the output interface a/D converter is connected with an output device, and the lower end face of the programmable electric board is in communication connection with a communication port on the outer end face of the elevator body.
Preferably, the safety torque cancellation module directly controls a current path between the elevator motor and the elevator power supply and is applied to an elevator powered by a static element, the safety torque cancellation module is in a state of disconnecting the elevator power supply from the elevator motor in a safety state, and the safety torque cancellation module disconnects the elevator power supply from the elevator motor when the electrical safety component is activated, thereby preventing the elevator motor from being restarted.
Preferably, the safety brake control module directly controls a current path between the elevator brake and the elevator power supply, and the electrical safety device is in a state of cutting off power supply between the elevator power supply and the elevator brake in a safety state, and when the electrical safety device is operated, the safety brake control module cuts off power supply between the elevator power supply and the elevator brake, thereby preventing an elevator from being operated again.
Preferably, the monitoring component directly monitors the working states of the safety torque cancellation module, the electrical safety component and the safety brake control module, and a residual risk protection mechanism corresponding to the safety torque cancellation module and the safety brake control module is respectively arranged in the monitoring component, so that when the elevator stops and starts, the working states of the safety torque cancellation module and the safety brake control module should be monitored, and when the safety brake control module or the safety torque cancellation module fails, the power supply between the elevator power supply and the elevator brake should be cut off, so that the elevator is prevented from running again, and when the monitoring component fails fixedly, the same result should be achieved.
Preferably, the residual risk protection mechanism includes a residual risk protection mechanism of the safety torque cancellation module and a residual risk protection mechanism of the safety brake control module, the residual risk protection mechanism of the safety torque cancellation module directly cuts off the current of the elevator motor and the elevator brake when the electrical safety component fails, and the residual risk protection mechanism of the safety brake control module is used for keeping an empty car stopped at any landing still or at least reducing the speed of the car to the design range of a counterweight buffer until a worker removes a fault when the electrical safety component fails, so that the safety of the elevator can be greatly improved.
Preferably, after the monitoring assembly, the safety torque cancellation module and the safety brake control module are in failure, normal operation of the elevator can be recovered only by workers, so that the condition that the elevator is repaired by the workers after the elevator is in failure is ensured, and the safety of elevator failure repair and elevator repair is effectively improved.
Preferably, the safety integrity levels of the safety torque cancellation module and the safety brake control module are up to SIL3, the hardware fault margin is at least 1, and the SIL3 is the highest safety integrity level applied to the elevator, so that the failure rate of the elevator caused by various factors such as hardware failure, software failure, electrical interference failure and the like is effectively reduced, and the safety state of the elevator is greatly improved.
The utility model has the advantages and positive effects that: the utility model cancels the contactor in the traditional elevator by combining the 15 and the 17, greatly reduces the whole volume of the elevator, reduces the occupied space of the elevator during the installation, effectively improves the utilization rate of the building area, greatly reduces the failure rate of the elevator, greatly improves the safety performance of the elevator, effectively reduces the injury of the elevator to personnel caused by elevator accidents, greatly prolongs the service life of the elevator,
drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic sectional view of an overall front view structure of a safety module for contactor-free control of an elevator according to the present invention;
the scores in the figures are as follows: 10. an elevator machine body; 11. an elevator brake; 12. a monitoring component; 13. an elevator motor; 14. fixing the circuit board; 15. a safety brake control module; 16. an electrical safety component; 17. a safe torque cancellation module; 18. a programmable electric board; 19. an input interface A/D converter; 20. an output interface A/D converter; 21. an elevator power supply.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The utility model will now be described in detail with reference to fig. 1, wherein for the sake of convenience of description the orientations referred to below are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:
referring to fig. 1, an embodiment of the present invention: a safety module for elevator contactor-free control comprises an elevator body 10, wherein a fixed circuit board 14 is arranged in the elevator body 10, an electric safety component 16 is fixedly arranged in the fixed circuit board 14, a safety torque cancellation module 17 is arranged on the left side of the electric safety component 16, a safety brake control module 15 is arranged on the right side of the electric safety component 16, the safety brake control module 15 and the safety torque cancellation module 17 are fixedly arranged on the fixed circuit board 14, a programmable electronic component is arranged on the lower side of the electric safety component 16, a monitoring component 12 is arranged on the fixed circuit board 14, an elevator power supply 21 is arranged in the elevator body 10, the elevator power supply 21 and the fixed circuit board 14 are electrically connected, an elevator motor 13 and an elevator brake 11 are arranged in the elevator body 10, and the elevator power supply 21, the elevator motor 13, the elevator brake 11, a motor, The elevator brakes 11 are all electrically connected.
In addition, in one embodiment, the programmable electronic component includes a programmable electric board 18 fixedly mounted on the fixed circuit board 14, an input interface a/D converter 19 is communicatively connected to a left end face of the programmable electric board 18, an input device is connected to a left end face of the input interface a/D converter 19, an output interface a/D converter 20 is communicatively connected to a right end face of the programmable electric board 18, an output device is connected to a right end face of the output interface a/D converter 20, and a communication port is communicatively connected between a lower end face of the programmable electric board 18 and an outer end face of the elevator body 10.
In addition, in one embodiment, the safety torque cancellation module 17 directly controls the current path between the elevator motor 13 and the elevator power source 21 and the safety torque cancellation module 17 is applied to an elevator powered by a static element, the safety torque cancellation module 17 is in a safety state in which the elevator power source 21 is disconnected from the elevator motor 13, and when the electrical safety component 16 is activated, the safety torque cancellation module 17 disconnects the elevator power source 21 from the elevator motor 13, thereby preventing the elevator motor 13 from restarting.
In addition, in one embodiment, the safety brake control module 15 directly controls the current path between the elevator brake 11 and the elevator power source 21, and the electrical safety device 16 is in a state of cutting off the power supply between the elevator power source 21 and the elevator brake 11 in a safety state, and when the electrical safety device 16 is operated, the safety brake control module 15 cuts off the power supply between the elevator power source 21 and the elevator brake 11, thereby preventing the elevator from being operated again.
In addition, in one embodiment, the monitoring component 12 directly monitors the operating states of the safety torque cancellation module 17, the electrical safety component 16 and the safety brake control module 15, and the monitoring component 12 is provided with a residual risk protection mechanism corresponding to the safety torque cancellation module 17 and the safety brake control module 15 respectively, so that when the elevator stops and starts, the operating states of the safety torque cancellation module 17 and the safety brake control module 15 should be monitored, and when the safety brake control module 15 or the safety torque cancellation module 17 fails, the power supply between the elevator power supply 21 and the elevator brake 11 should be cut off, so as to prevent the elevator from re-running, and when the monitoring component 12 fails fixedly, the same result should be achieved.
In addition, in one embodiment, the residual risk protection mechanism includes the residual risk protection mechanism of the safety torque cancellation module 17 and the residual risk protection mechanism of the safety brake control module 15, the residual risk protection mechanism of the safety torque cancellation module 17 directly cuts off the current of the elevator motor 13 and the elevator brake 11 when the electrical safety component 16 fails, and the residual risk protection mechanism of the safety brake control module 15 is used for keeping an empty car stopped at any landing still or at least reducing the car speed to the design range of a counterweight buffer until a worker clears the fault when the electrical safety component 16 fails, so that the safety of the elevator can be greatly improved.
In addition, in one embodiment, after the monitoring component 12, the safety torque cancellation module 17 and the safety brake control module 15 are failed, normal operation of the elevator can only be recovered by a worker, so that the condition that the elevator must be repaired by the worker after the elevator is failed is ensured, and the safety of elevator failure repair and elevator repair is effectively improved.
In addition, in one embodiment, the safety integrity level of the safety torque cancellation module 17 and the safety brake control module 15 should reach SIL3, the hardware fault margin should be at least 1, and the SIL3 is the highest safety integrity level of the elevator application, so that the failure rate of the elevator due to various factors such as hardware failure, software failure, electrical interference failure and the like is effectively reduced, and the safety state of the elevator is greatly improved.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (8)
1. An elevator does not have safety module of contactor control, includes elevator organism (10), its characterized in that: a fixed circuit board (14) is arranged in the elevator body (10), an electrical safety component (16) is fixedly arranged in the fixed circuit board (14), a safety torque cancellation module (17) is arranged on the left side of the electrical safety component (16), a safety brake control module (15) is arranged on the right side of the electrical safety component (16), the safety brake control module (15) and the safety torque cancellation module (17) are fixedly arranged on the fixed circuit board (14), a programmable electronic component is arranged on the lower side of the electrical safety component (16), a monitoring component (12) is arranged on the fixed circuit board (14), an elevator power supply (21) is arranged in the elevator body (10), the elevator power supply (21) is electrically connected with the fixed circuit board (14), an elevator motor (13) and an elevator brake (11) are arranged in the elevator body (10), the elevator power supply (21) is electrically connected with the elevator motor (13) and the elevator brake (11).
2. The elevator contactor-free controlled safety module according to claim 1, characterized in that: the programmable electronic component comprises a programmable electric plate (18) fixedly mounted on the fixed circuit board (14), the left end face of the programmable electric plate (18) is in communication connection with an input interface A/D converter (19), the left end face of the input interface A/D converter (19) is connected with an input device, the right end face of the programmable electric plate (18) is in communication connection with an output interface A/D converter (20), the right end face of the output interface A/D converter (20) is connected with an output device, and the lower end face of the programmable electric plate (18) is in communication connection with a communication port on the outer end face of the elevator machine body (10).
3. The elevator contactor-free controlled safety module according to claim 1, characterized in that: the safety torque cancellation module (17) directly controls a current channel between the elevator motor (13) and the elevator power supply (21), the safety torque cancellation module (17) is applied to an elevator powered by a static element, and the safety torque cancellation module (17) is in a state of disconnecting the power supply (21) of the elevator motor (13) in a safety state.
4. The elevator contactor-free controlled safety module according to claim 1, characterized in that: the safety brake control module (15) directly controls a current channel between the elevator brake (11) and the elevator power supply (21), and the electric safety assembly (16) is in a state of cutting off power supply between the elevator power supply (21) and the elevator brake (11) in a safety state.
5. The elevator contactor-free controlled safety module according to claim 1, characterized in that: the monitoring assembly (12) directly monitors the safe torque cancellation module (17), the electrical safety assembly (16) and the safe brake control module (15) in working state, and the monitoring assembly (12) is respectively provided with a residual risk protection mechanism corresponding to the safe torque cancellation module (17) and the safe brake control module (15).
6. The elevator contactor-free controlled safety module according to claim 5, wherein: the residual risk protection mechanism comprises a residual risk protection mechanism of the safety torque cancellation module (17) and a residual risk protection mechanism of the safety brake control module (15), the residual risk protection mechanism of the safety torque cancellation module (17) directly cuts off the current of the elevator motor (13) and the elevator brake (11) when the electric safety component (16) fails, and the residual risk protection mechanism of the safety brake control module (15) is used for keeping an empty car stopped at any landing static or at least reducing the speed of the car to the design range of a counterweight buffer until a worker removes the fault when the electric safety component (16) fails.
7. The elevator contactor-free controlled safety module according to claim 6, wherein: after the monitoring component (12), the safety torque cancellation module (17) and the safety brake control module (15) have faults, normal operation of the elevator can be recovered only by working personnel.
8. The elevator contactor-free controlled safety module according to claim 7, wherein: the safety integrity level of the safety torque cancellation module (17) and the safety brake control module (15) should reach SIL3, the hardware fault margin should be at least 1, and the SIL3 is the highest safety integrity level of the elevator application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122182150.7U CN216105421U (en) | 2021-09-09 | 2021-09-09 | Safety module for elevator contactor-free control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122182150.7U CN216105421U (en) | 2021-09-09 | 2021-09-09 | Safety module for elevator contactor-free control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216105421U true CN216105421U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122182150.7U Active CN216105421U (en) | 2021-09-09 | 2021-09-09 | Safety module for elevator contactor-free control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216105421U (en) |
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2021
- 2021-09-09 CN CN202122182150.7U patent/CN216105421U/en active Active
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